yuanbiao
/
emqx
1
0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'channel2' into channel3

This commit is contained in:
Feng Lee 2019-06-18 16:49:26 +08:00
parent ebeb2c5545 7774b85f81
commit 3877c4db1a
92 changed files with 1666 additions and 2090 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
include/emqx.hrl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-ifndef(EMQ_X_HRL).
-define(EMQ_X_HRL, true).
@ -19,10 +21,6 @@
%% Banner
%%--------------------------------------------------------------------
-define(COPYRIGHT, "Copyright (c) 2013-2019 EMQ Technologies Co., Ltd").
-define(LICENSE_MESSAGE, "Licensed under the Apache License, Version 2.0").
-define(PROTOCOL_VERSION, "MQTT/5.0").
-define(ERTS_MINIMUM_REQUIRED, "10.0").
@ -47,8 +45,6 @@
%% Message and Delivery
%%--------------------------------------------------------------------
-record(session, {sid, pid}).
-record(subscription, {topic, subid, subopts}).
%% See 'Application Message' in MQTT Version 5.0
@ -72,9 +68,12 @@
}).
-record(delivery, {
sender :: pid(), %% Sender of the delivery
message :: #message{}, %% The message delivered
results :: list() %% Dispatches of the message
%% Sender of the delivery
sender :: pid(),
%% The message delivered
message :: #message{},
%% Dispatches of the message
results :: list()
}).
%%--------------------------------------------------------------------
@ -151,6 +150,7 @@
%%--------------------------------------------------------------------
%% Banned
%%--------------------------------------------------------------------
-type(banned_who() :: {client_id, binary()}
| {username, binary()}
| {ip_address, inet:ip_address()}).

4
include/types.hrl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-type(maybe(T) :: undefined | T).

33
src/emqx.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx).
@ -61,9 +63,13 @@
-define(APP, ?MODULE).
%%------------------------------------------------------------------------------
-define(COPYRIGHT, "Copyright (c) 2019 EMQ Technologies Co., Ltd").
-define(LICENSE_MESSAGE, "Licensed under the Apache License, Version 2.0").
%%--------------------------------------------------------------------
%% Bootstrap, is_running...
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Start emqx application
-spec(start() -> {ok, list(atom())} | {error, term()}).
@ -95,9 +101,9 @@ is_running(Node) ->
Pid when is_pid(Pid) -> true
end.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% PubSub API
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(subscribe(emqx_topic:topic() | string()) -> ok).
subscribe(Topic) ->
@ -122,9 +128,9 @@ publish(Msg) ->
unsubscribe(Topic) ->
emqx_broker:unsubscribe(iolist_to_binary(Topic)).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% PubSub management API
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(topics() -> list(emqx_topic:topic())).
topics() -> emqx_router:topics().
@ -143,9 +149,9 @@ subscribed(SubPid, Topic) when is_pid(SubPid) ->
subscribed(SubId, Topic) when is_atom(SubId); is_binary(SubId) ->
emqx_broker:subscribed(SubId, iolist_to_binary(Topic)).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Hooks API
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(hook(emqx_hooks:hookpoint(), emqx_hooks:action()) -> ok | {error, already_exists}).
hook(HookPoint, Action) ->
@ -177,9 +183,9 @@ run_hook(HookPoint, Args) ->
run_fold_hook(HookPoint, Args, Acc) ->
emqx_hooks:run_fold(HookPoint, Args, Acc).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Shutdown and reboot
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
shutdown() ->
shutdown(normal).
@ -193,12 +199,13 @@ shutdown(Reason) ->
reboot() ->
lists:foreach(fun application:start/1, [gproc, esockd, ranch, cowboy, ekka, emqx]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
reload_config(ConfFile) ->
{ok, [Conf]} = file:consult(ConfFile),
lists:foreach(fun({App, Vals}) ->
[application:set_env(App, Par, Val) || {Par, Val} <- Vals]
end, Conf).

15
src/emqx_access_control.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_access_control).
@ -22,9 +24,10 @@
, reload_acl/0
]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(authenticate(emqx_types:credentials())
-> {ok, emqx_types:credentials()} | {error, term()}).
authenticate(Credentials) ->
@ -36,7 +39,8 @@ authenticate(Credentials) ->
end.
%% @doc Check ACL
-spec(check_acl(emqx_types:credentials(), emqx_types:pubsub(), emqx_types:topic()) -> allow | deny).
-spec(check_acl(emqx_types:credentials(), emqx_types:pubsub(), emqx_types:topic())
-> allow | deny).
check_acl(Credentials, PubSub, Topic) ->
case emqx_acl_cache:is_enabled() of
false ->
@ -47,8 +51,7 @@ check_acl(Credentials, PubSub, Topic) ->
AclResult = do_check_acl(Credentials, PubSub, Topic),
emqx_acl_cache:put_acl_cache(PubSub, Topic, AclResult),
AclResult;
AclResult ->
AclResult
AclResult -> AclResult
end
end.

8
src/emqx_access_rule.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_access_rule).
@ -38,9 +40,9 @@
-define(ALLOW_DENY(A), ((A =:= allow) orelse (A =:= deny))).
-define(PUBSUB(A), ((A =:= subscribe) orelse (A =:= publish) orelse (A =:= pubsub))).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Compile Access Rule.
compile({A, all}) when ?ALLOW_DENY(A) ->

5
src/emqx_acl_cache.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_acl_cache).
@ -124,6 +126,7 @@ map_acl_cache(Fun) ->
%%--------------------------------------------------------------------
%% Internal functions
%%--------------------------------------------------------------------
add_acl(PubSub, Topic, AclResult) ->
K = cache_k(PubSub, Topic),
V = cache_v(AclResult),

28
src/emqx_alarm_handler.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_alarm_handler).
@ -46,9 +48,9 @@
-define(ALARM_TAB, emqx_alarm).
-define(ALARM_HISTORY_TAB, emqx_alarm_history).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Mnesia bootstrap
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
mnesia(boot) ->
ok = ekka_mnesia:create_table(?ALARM_TAB, [
@ -63,13 +65,14 @@ mnesia(boot) ->
{local_content, true},
{record_name, alarm_history},
{attributes, record_info(fields, alarm_history)}]);
mnesia(copy) ->
ok = ekka_mnesia:copy_table(?ALARM_TAB),
ok = ekka_mnesia:copy_table(?ALARM_HISTORY_TAB).
%%----------------------------------------------------------------------
%%--------------------------------------------------------------------
%% API
%%----------------------------------------------------------------------
%%--------------------------------------------------------------------
load() ->
gen_event:swap_handler(alarm_handler, {alarm_handler, swap}, {?MODULE, []}).
@ -81,13 +84,14 @@ unload() ->
get_alarms() ->
gen_event:call(alarm_handler, ?MODULE, get_alarms).
%%----------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_event callbacks
%%----------------------------------------------------------------------
%%--------------------------------------------------------------------
init({_Args, {alarm_handler, ExistingAlarms}}) ->
init_tables(ExistingAlarms),
{ok, []};
init(_) ->
init_tables([]),
{ok, []}.
@ -133,9 +137,9 @@ init_tables(ExistingAlarms) ->
set_alarm_history(Id)
end, ExistingAlarms).
encode_alarm({AlarmId, #alarm{severity = Severity,
encode_alarm({AlarmId, #alarm{severity = Severity,
title = Title,
summary = Summary,
summary = Summary,
timestamp = Ts}}) ->
emqx_json:safe_encode([{id, maybe_to_binary(AlarmId)},
{desc, [{severity, Severity},
@ -143,7 +147,7 @@ encode_alarm({AlarmId, #alarm{severity = Severity,
{summary, iolist_to_binary(Summary)},
{ts, emqx_time:now_secs(Ts)}]}]);
encode_alarm({AlarmId, AlarmDesc}) ->
emqx_json:safe_encode([{id, maybe_to_binary(AlarmId)},
emqx_json:safe_encode([{id, maybe_to_binary(AlarmId)},
{desc, maybe_to_binary(AlarmDesc)}]).
alarm_msg(Topic, Payload) ->
@ -173,6 +177,6 @@ get_alarms_() ->
[{Id, Desc} || #common_alarm{id = Id, desc = Desc} <- Alarms].
set_alarm_history(Id) ->
mnesia:dirty_write(?ALARM_HISTORY_TAB, #alarm_history{id = Id,
clear_at = undefined}).
His = #alarm_history{id = Id, clear_at = undefined},
mnesia:dirty_write(?ALARM_HISTORY_TAB, His).

10
src/emqx_app.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_app).
@ -30,10 +32,10 @@ start(_Type, _Args) ->
print_banner(),
ekka:start(),
{ok, Sup} = emqx_sup:start_link(),
emqx_modules:load(),
emqx_plugins:init(),
ok = emqx_modules:load(),
ok = emqx_plugins:init(),
emqx_plugins:load(),
emqx_listeners:start(),
ok = emqx_listeners:start(),
start_autocluster(),
register(emqx, self()),

40
src/emqx_banned.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_banned).
@ -44,14 +46,14 @@
, code_change/3
]).
-define(TAB, ?MODULE).
-define(BANNED_TAB, ?MODULE).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Mnesia bootstrap
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
mnesia(boot) ->
ok = ekka_mnesia:create_table(?TAB, [
ok = ekka_mnesia:create_table(?BANNED_TAB, [
{type, set},
{disc_copies, [node()]},
{record_name, banned},
@ -59,7 +61,7 @@ mnesia(boot) ->
{storage_properties, [{ets, [{read_concurrency, true}]}]}]);
mnesia(copy) ->
ok = ekka_mnesia:copy_table(?TAB).
ok = ekka_mnesia:copy_table(?BANNED_TAB).
%% @doc Start the banned server.
-spec(start_link() -> startlink_ret()).
@ -68,23 +70,23 @@ start_link() ->
-spec(check(emqx_types:credentials()) -> boolean()).
check(#{client_id := ClientId, username := Username, peername := {IPAddr, _}}) ->
ets:member(?TAB, {client_id, ClientId})
orelse ets:member(?TAB, {username, Username})
orelse ets:member(?TAB, {ipaddr, IPAddr}).
ets:member(?BANNED_TAB, {client_id, ClientId})
orelse ets:member(?BANNED_TAB, {username, Username})
orelse ets:member(?BANNED_TAB, {ipaddr, IPAddr}).
-spec(add(emqx_types:banned()) -> ok).
add(Banned) when is_record(Banned, banned) ->
mnesia:dirty_write(?TAB, Banned).
mnesia:dirty_write(?BANNED_TAB, Banned).
-spec(delete({client_id, emqx_types:client_id()}
| {username, emqx_types:username()}
| {peername, emqx_types:peername()}) -> ok).
delete(Key) ->
mnesia:dirty_delete(?TAB, Key).
mnesia:dirty_delete(?BANNED_TAB, Key).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
{ok, ensure_expiry_timer(#{expiry_timer => undefined})}.
@ -98,7 +100,8 @@ handle_cast(Msg, State) ->
{noreply, State}.
handle_info({timeout, TRef, expire}, State = #{expiry_timer := TRef}) ->
mnesia:async_dirty(fun expire_banned_items/1, [erlang:system_time(second)]),
mnesia:async_dirty(fun expire_banned_items/1,
[erlang:system_time(second)]),
{noreply, ensure_expiry_timer(State), hibernate};
handle_info(Info, State) ->
@ -111,9 +114,9 @@ terminate(_Reason, #{expiry_timer := TRef}) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-ifdef(TEST).
ensure_expiry_timer(State) ->
@ -126,6 +129,7 @@ ensure_expiry_timer(State) ->
expire_banned_items(Now) ->
mnesia:foldl(
fun(B = #banned{until = Until}, _Acc) when Until < Now ->
mnesia:delete_object(?TAB, B, sticky_write);
mnesia:delete_object(?BANNED_TAB, B, sticky_write);
(_, _Acc) -> ok
end, ok, ?TAB).
end, ok, ?BANNED_TAB).

12
src/emqx_base62.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_base62).
@ -21,9 +23,9 @@
, decode/2
]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Encode any data to base62 binary
-spec encode(string() | integer() | binary()) -> binary().
@ -43,9 +45,9 @@ decode(L) when is_list(L) ->
decode(B) when is_binary(B) ->
decode(B, <<>>).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Interval Functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
encode(D, string) ->
binary_to_list(encode(D));

43
src/emqx_batch.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_batch).
@ -22,18 +24,18 @@
, items/1
]).
-record(batch,
{ batch_size :: non_neg_integer()
, batch_q :: list(any())
, linger_ms :: pos_integer()
, linger_timer :: reference() | undefined
, commit_fun :: function()
}).
-record(batch, {
batch_size :: non_neg_integer(),
batch_q :: list(any()),
linger_ms :: pos_integer(),
linger_timer :: reference() | undefined,
commit_fun :: function()
}).
-type(options() ::
#{ batch_size => non_neg_integer()
, linger_ms => pos_integer()
, commit_fun := function()
-type(options() :: #{
batch_size => non_neg_integer(),
linger_ms => pos_integer(),
commit_fun := function()
}).
-opaque(batch() :: #batch{}).
@ -42,26 +44,31 @@
-export_type([batch/0]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(init(options()) -> batch()).
init(Opts) when is_map(Opts) ->
#batch{batch_size = maps:get(batch_size, Opts, 1000),
batch_q = [],
linger_ms = maps:get(linger_ms, Opts, 1000),
linger_ms = maps:get(linger_ms, Opts, 1000),
commit_fun = maps:get(commit_fun, Opts)}.
-spec(push(any(), batch()) -> batch()).
push(El, Batch = #batch{batch_q = Q, linger_ms = Ms, linger_timer = undefined}) when length(Q) == 0 ->
Batch#batch{batch_q = [El], linger_timer = erlang:send_after(Ms, self(), batch_linger_expired)};
push(El, Batch = #batch{batch_q = Q,
linger_ms = Ms,
linger_timer = undefined})
when length(Q) == 0 ->
TRef = erlang:send_after(Ms, self(), batch_linger_expired),
Batch#batch{batch_q = [El], linger_timer = TRef};
%% no limit.
push(El, Batch = #batch{batch_size = 0, batch_q = Q}) ->
Batch#batch{batch_q = [El|Q]};
push(El, Batch = #batch{batch_size = MaxSize, batch_q = Q}) when length(Q) >= MaxSize ->
push(El, Batch = #batch{batch_size = MaxSize, batch_q = Q})
when length(Q) >= MaxSize ->
commit(Batch#batch{batch_q = [El|Q]});
push(El, Batch = #batch{batch_q = Q}) ->

5
src/emqx_bridge.erl
View File

@ -1,3 +1,4 @@
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
@ -11,7 +12,9 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Bridge works in two layers (1) batching layer (2) transport layer
%% The `bridge' batching layer collects local messages in batches and sends over
%% to remote MQTT node/cluster via `connetion' transport layer.
@ -56,8 +59,10 @@
%%
%% NOTES:
%% * Local messages are all normalised to QoS-1 when exporting to remote
%%--------------------------------------------------------------------
-module(emqx_bridge).
-behaviour(gen_statem).
%% APIs

4
src/emqx_bridge_connect.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_bridge_connect).

7
src/emqx_bridge_mqtt.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,8 +12,10 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc This module implements EMQX Bridge transport layer on top of MQTT protocol
%% @doc This module implements EMQX Bridge transport layer on top of
%% MQTT protocol.
-module(emqx_bridge_mqtt).

4
src/emqx_bridge_msg.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_bridge_msg).

5
src/emqx_bridge_rpc.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,10 +12,12 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc This module implements EMQX Bridge transport layer based on gen_rpc.
-module(emqx_bridge_rpc).
-behaviour(emqx_bridge_connect).
%% behaviour callbacks

5
src/emqx_bridge_sup.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,8 +12,10 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_bridge_sup).
-behavior(supervisor).
-include("logger.hrl").

4
src/emqx_broker.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_broker).

12
src/emqx_broker_helper.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_broker_helper).
@ -92,9 +94,9 @@ create_seq(Topic) ->
reclaim_seq(Topic) ->
emqx_sequence:reclaim(?SUBSEQ, Topic).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
%% Helper table
@ -142,9 +144,9 @@ terminate(_Reason, _State) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
clean_down(SubPid) ->
case ets:lookup(?SUBMON, SubPid) of

28
src/emqx_broker_sup.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_broker_sup).
@ -23,9 +25,9 @@
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Supervisor callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
%% Broker pool
@ -34,20 +36,20 @@ init([]) ->
{emqx_broker, start_link, []}]),
%% Shared subscription
SharedSub = #{id => shared_sub,
start => {emqx_shared_sub, start_link, []},
restart => permanent,
SharedSub = #{id => shared_sub,
start => {emqx_shared_sub, start_link, []},
restart => permanent,
shutdown => 2000,
type => worker,
modules => [emqx_shared_sub]},
type => worker,
modules => [emqx_shared_sub]},
%% Broker helper
Helper = #{id => helper,
start => {emqx_broker_helper, start_link, []},
restart => permanent,
Helper = #{id => helper,
start => {emqx_broker_helper, start_link, []},
restart => permanent,
shutdown => 2000,
type => worker,
modules => [emqx_broker_helper]},
type => worker,
modules => [emqx_broker_helper]},
{ok, {{one_for_all, 0, 1}, [BrokerPool, SharedSub, Helper]}}.

15
src/emqx_channel.erl
View File

@ -32,7 +32,10 @@
, stats/1
]).
-export([kick/1]).
-export([ kick/1
, discard/1
, takeover/1
]).
-export([session/1]).
@ -137,6 +140,12 @@ stats(#state{transport = Transport,
kick(CPid) ->
call(CPid, kick).
discard(CPid) ->
call(CPid, discard).
takeover(CPid) ->
call(CPid, takeover).
session(CPid) ->
call(CPid, session).
@ -286,6 +295,10 @@ handle({call, From}, kick, State) ->
ok = gen_statem:reply(From, ok),
shutdown(kicked, State);
handle({call, From}, discard, State) ->
ok = gen_statem:reply(From, ok),
shutdown(discard, State);
handle({call, From}, session, State = #state{proto_state = ProtoState}) ->
reply(From, emqx_protocol:session(ProtoState), State);

5
src/emqx_cli.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_cli).
@ -35,3 +37,4 @@ usage(CmdList) ->
usage(Format, Args) ->
usage([{Format, Args}]).

5
src/emqx_client_sock.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_client_sock).
@ -105,3 +107,4 @@ default_ciphers(TlsVersions) ->
fun(TlsVer, Ciphers) ->
Ciphers ++ ssl:cipher_suites(all, TlsVer)
end, [], TlsVersions).

418
src/emqx_cm.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,7 +12,9 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% Channel Manager
-module(emqx_cm).
-behaviour(gen_server).
@ -24,25 +27,39 @@
-export([start_link/0]).
-export([ register_connection/1
, register_connection/2
, unregister_connection/1
, unregister_connection/2
-export([ register_channel/1
, unregister_channel/1
, unregister_channel/2
]).
-export([ get_conn_attrs/1
, get_conn_attrs/2
, set_conn_attrs/2
, set_conn_attrs/3
]).
-export([ get_conn_stats/1
, get_conn_stats/2
, set_conn_stats/2
, set_conn_stats/3
]).
-export([lookup_conn_pid/1]).
-export([ open_session/1
, discard_session/1
, resume_session/1
]).
-export([ get_session_attrs/1
, get_session_attrs/2
, set_session_attrs/2
]).
-export([ get_session_stats/1
, get_session_stats/2
, set_session_stats/2
]).
-export([ lookup_channels/1
, lookup_channels/2
]).
%% gen_server callbacks
-export([ init/1
@ -53,159 +70,350 @@
, code_change/3
]).
%% internal export
%% Internal export
-export([stats_fun/0]).
-define(CM, ?MODULE).
-type(chan_pid() :: pid()).
%% ETS tables for connection management.
-define(CONN_TAB, emqx_conn).
-define(CONN_ATTRS_TAB, emqx_conn_attrs).
-define(CONN_STATS_TAB, emqx_conn_stats).
-opaque(attrs() :: #{atom() => term()}).
-opaque(stats() :: #{atom() => integer()}).
-export_type([attrs/0, stats/0]).
%% Tables for channel management.
-define(CHAN_TAB, emqx_channel).
-define(CONN_TAB, emqx_connection).
-define(SESSION_TAB, emqx_session).
-define(SESSION_P_TAB, emqx_session_p).
%% Chan stats
-define(CHAN_STATS,
[{?CHAN_TAB, 'channels.count', 'channels.max'},
{?CONN_TAB, 'connections.count', 'connections.max'},
{?SESSION_TAB, 'sessions.count', 'sessions.max'},
{?SESSION_P_TAB, 'sessions.persistent.count', 'sessions.persistent.max'}
]).
%% Batch drain
-define(BATCH_SIZE, 100000).
%% @doc Start the connection manager.
%% Server name
-define(CM, ?MODULE).
%% @doc Start the channel manager.
-spec(start_link() -> startlink_ret()).
start_link() ->
gen_server:start_link({local, ?CM}, ?MODULE, [], []).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% API
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Register a connection.
-spec(register_connection(emqx_types:client_id()) -> ok).
register_connection(ClientId) when is_binary(ClientId) ->
register_connection(ClientId, self()).
%% @doc Register a channel.
-spec(register_channel(emqx_types:client_id()) -> ok).
register_channel(ClientId) when is_binary(ClientId) ->
register_channel(ClientId, self()).
-spec(register_connection(emqx_types:client_id(), pid()) -> ok).
register_connection(ClientId, ConnPid) when is_binary(ClientId), is_pid(ConnPid) ->
true = ets:insert(?CONN_TAB, {ClientId, ConnPid}),
notify({registered, ClientId, ConnPid}).
-spec(register_channel(emqx_types:client_id(), chan_pid()) -> ok).
register_channel(ClientId, ChanPid) ->
Chan = {ClientId, ChanPid},
true = ets:insert(?CHAN_TAB, Chan),
ok = emqx_cm_registry:register_channel(Chan),
cast({registered, Chan}).
%% @doc Unregister a connection.
-spec(unregister_connection(emqx_types:client_id()) -> ok).
unregister_connection(ClientId) when is_binary(ClientId) ->
unregister_connection(ClientId, self()).
%% @doc Unregister a channel.
-spec(unregister_channel(emqx_types:client_id()) -> ok).
unregister_channel(ClientId) when is_binary(ClientId) ->
unregister_channel(ClientId, self()).
-spec(unregister_connection(emqx_types:client_id(), pid()) -> ok).
unregister_connection(ClientId, ConnPid) when is_binary(ClientId), is_pid(ConnPid) ->
true = do_unregister_connection({ClientId, ConnPid}),
notify({unregistered, ConnPid}).
-spec(unregister_channel(emqx_types:client_id(), chan_pid()) -> ok).
unregister_channel(ClientId, ChanPid) ->
Chan = {ClientId, ChanPid},
true = do_unregister_channel(Chan),
cast({unregistered, Chan}).
do_unregister_connection(Conn) ->
true = ets:delete(?CONN_STATS_TAB, Conn),
true = ets:delete(?CONN_ATTRS_TAB, Conn),
true = ets:delete_object(?CONN_TAB, Conn).
%% @private
do_unregister_channel(Chan) ->
ok = emqx_cm_registry:unregister_channel(Chan),
true = ets:delete_object(?SESSION_P_TAB, Chan),
true = ets:delete(?SESSION_TAB, Chan),
true = ets:delete(?CONN_TAB, Chan),
ets:delete_object(?CHAN_TAB, Chan).
%% @doc Get conn attrs
-spec(get_conn_attrs(emqx_types:client_id()) -> list()).
get_conn_attrs(ClientId) when is_binary(ClientId) ->
ConnPid = lookup_conn_pid(ClientId),
get_conn_attrs(ClientId, ConnPid).
%% @doc Get conn attrs.
-spec(get_conn_attrs(emqx_types:client_id()) -> maybe(attrs())).
get_conn_attrs(ClientId) ->
with_channel(ClientId, fun(ChanPid) ->
get_conn_attrs(ClientId, ChanPid)
end).
-spec(get_conn_attrs(emqx_types:client_id(), pid()) -> list()).
get_conn_attrs(ClientId, ConnPid) when is_binary(ClientId) ->
emqx_tables:lookup_value(?CONN_ATTRS_TAB, {ClientId, ConnPid}, []).
-spec(get_conn_attrs(emqx_types:client_id(), chan_pid()) -> maybe(attrs())).
get_conn_attrs(ClientId, ChanPid) when node(ChanPid) == node() ->
Chan = {ClientId, ChanPid},
try ets:lookup_element(?CONN_TAB, Chan, 2) of
Attrs -> Attrs
catch
error:badarg -> undefined
end;
get_conn_attrs(ClientId, ChanPid) ->
rpc_call(node(ChanPid), get_conn_attrs, [ClientId, ChanPid]).
%% @doc Set conn attrs
-spec(set_conn_attrs(emqx_types:client_id(), list()) -> true).
set_conn_attrs(ClientId, Attrs) when is_binary(ClientId) ->
set_conn_attrs(ClientId, self(), Attrs).
%% @doc Set conn attrs.
-spec(set_conn_attrs(emqx_types:client_id(), attrs()) -> ok).
set_conn_attrs(ClientId, Attrs) when is_map(Attrs) ->
Chan = {ClientId, self()},
case ets:update_element(?CONN_TAB, Chan, {2, Attrs}) of
true -> ok;
false -> true = ets:insert(?CONN_TAB, {Chan, Attrs, #{}}),
ok
end.
-spec(set_conn_attrs(emqx_types:client_id(), pid(), list()) -> true).
set_conn_attrs(ClientId, ConnPid, Attrs) when is_binary(ClientId), is_pid(ConnPid) ->
Conn = {ClientId, ConnPid},
ets:insert(?CONN_ATTRS_TAB, {Conn, Attrs}).
%% @doc Get conn stats.
-spec(get_conn_stats(emqx_types:client_id()) -> maybe(stats())).
get_conn_stats(ClientId) ->
with_channel(ClientId, fun(ChanPid) ->
get_conn_stats(ClientId, ChanPid)
end).
%% @doc Get conn stats
-spec(get_conn_stats(emqx_types:client_id()) -> list(emqx_stats:stats())).
get_conn_stats(ClientId) when is_binary(ClientId) ->
ConnPid = lookup_conn_pid(ClientId),
get_conn_stats(ClientId, ConnPid).
-spec(get_conn_stats(emqx_types:client_id(), pid()) -> list(emqx_stats:stats())).
get_conn_stats(ClientId, ConnPid) when is_binary(ClientId) ->
Conn = {ClientId, ConnPid},
emqx_tables:lookup_value(?CONN_STATS_TAB, Conn, []).
-spec(get_conn_stats(emqx_types:client_id(), chan_pid()) -> maybe(stats())).
get_conn_stats(ClientId, ChanPid) when node(ChanPid) == node() ->
Chan = {ClientId, ChanPid},
try ets:lookup_element(?CONN_TAB, Chan, 3) of
Stats -> Stats
catch
error:badarg -> undefined
end;
get_conn_stats(ClientId, ChanPid) ->
rpc_call(node(ChanPid), get_conn_stats, [ClientId, ChanPid]).
%% @doc Set conn stats.
-spec(set_conn_stats(emqx_types:client_id(), list(emqx_stats:stats())) -> true).
-spec(set_conn_stats(emqx_types:client_id(), stats()) -> ok).
set_conn_stats(ClientId, Stats) when is_binary(ClientId) ->
set_conn_stats(ClientId, self(), Stats).
-spec(set_conn_stats(emqx_types:client_id(), pid(), list(emqx_stats:stats())) -> true).
set_conn_stats(ClientId, ConnPid, Stats) when is_binary(ClientId), is_pid(ConnPid) ->
Conn = {ClientId, ConnPid},
ets:insert(?CONN_STATS_TAB, {Conn, Stats}).
-spec(set_conn_stats(emqx_types:client_id(), chan_pid(), stats()) -> ok).
set_conn_stats(ClientId, ChanPid, Stats) ->
Chan = {ClientId, ChanPid},
_ = ets:update_element(?CONN_TAB, Chan, {3, Stats}),
ok.
%% @doc Lookup connection pid.
-spec(lookup_conn_pid(emqx_types:client_id()) -> maybe(pid())).
lookup_conn_pid(ClientId) when is_binary(ClientId) ->
emqx_tables:lookup_value(?CONN_TAB, ClientId).
%% @doc Open a session.
-spec(open_session(map()) -> {ok, emqx_session:session()}
| {error, Reason :: term()}).
open_session(Attrs = #{clean_start := true,
client_id := ClientId}) ->
CleanStart = fun(_) ->
ok = discard_session(ClientId),
{ok, emqx_session:new(Attrs)}
end,
emqx_cm_locker:trans(ClientId, CleanStart);
notify(Msg) ->
gen_server:cast(?CM, {notify, Msg}).
open_session(Attrs = #{clean_start := false,
client_id := ClientId}) ->
ResumeStart = fun(_) ->
case resume_session(ClientId) of
{ok, Session} ->
{ok, Session, true};
{error, not_found} ->
{ok, emqx_session:new(Attrs)}
end
end,
emqx_cm_locker:trans(ClientId, ResumeStart).
%%-----------------------------------------------------------------------------
%% @doc Try to resume a session.
-spec(resume_session(emqx_types:client_id())
-> {ok, emqx_session:session()} | {error, Reason :: term()}).
resume_session(ClientId) ->
case lookup_channels(ClientId) of
[] -> {error, not_found};
[ChanPid] ->
emqx_channel:resume(ChanPid);
ChanPids ->
[ChanPid|StalePids] = lists:reverse(ChanPids),
?LOG(error, "[SM] More than one channel found: ~p", [ChanPids]),
lists:foreach(fun(StalePid) ->
catch emqx_channel:discard(StalePid)
end, StalePids),
emqx_channel:resume(ChanPid)
end.
%% @doc Discard all the sessions identified by the ClientId.
-spec(discard_session(emqx_types:client_id()) -> ok).
discard_session(ClientId) when is_binary(ClientId) ->
case lookup_channels(ClientId) of
[] -> ok;
ChanPids ->
lists:foreach(
fun(ChanPid) ->
try emqx_channel:discard(ChanPid)
catch
_:Error:_Stk ->
?LOG(warning, "[SM] Failed to discard ~p: ~p", [ChanPid, Error])
end
end, ChanPids)
end.
%% @doc Get session attrs.
-spec(get_session_attrs(emqx_types:client_id()) -> attrs()).
get_session_attrs(ClientId) ->
with_channel(ClientId, fun(ChanPid) ->
get_session_attrs(ClientId, ChanPid)
end).
-spec(get_session_attrs(emqx_types:client_id(), chan_pid()) -> maybe(attrs())).
get_session_attrs(ClientId, ChanPid) when node(ChanPid) == node() ->
Chan = {ClientId, ChanPid},
try ets:lookup_element(?SESSION_TAB, Chan, 2) of
Attrs -> Attrs
catch
error:badarg -> undefined
end;
get_session_attrs(ClientId, ChanPid) ->
rpc_call(node(ChanPid), get_session_attrs, [ClientId, ChanPid]).
%% @doc Set session attrs.
-spec(set_session_attrs(emqx_types:client_id(), attrs()) -> ok).
set_session_attrs(ClientId, Attrs) when is_binary(ClientId) ->
Chan = {ClientId, self()},
case ets:update_element(?SESSION_TAB, Chan, {2, Attrs}) of
true -> ok;
false ->
true = ets:insert(?SESSION_TAB, {Chan, Attrs, #{}}),
is_clean_start(Attrs) orelse ets:insert(?SESSION_P_TAB, Chan),
ok
end.
%% @doc Is clean start?
is_clean_start(#{clean_start := false}) -> false;
is_clean_start(_Attrs) -> true.
%% @doc Get session stats.
-spec(get_session_stats(emqx_types:client_id()) -> stats()).
get_session_stats(ClientId) ->
with_channel(ClientId, fun(ChanPid) ->
get_session_stats(ClientId, ChanPid)
end).
-spec(get_session_stats(emqx_types:client_id(), chan_pid()) -> maybe(stats())).
get_session_stats(ClientId, ChanPid) when node(ChanPid) == node() ->
Chan = {ClientId, ChanPid},
try ets:lookup_element(?SESSION_TAB, Chan, 3) of
Stats -> Stats
catch
error:badarg -> undefined
end;
get_session_stats(ClientId, ChanPid) ->
rpc_call(node(ChanPid), get_session_stats, [ClientId, ChanPid]).
%% @doc Set session stats.
-spec(set_session_stats(emqx_types:client_id(), stats()) -> ok).
set_session_stats(ClientId, Stats) when is_binary(ClientId) ->
set_session_stats(ClientId, self(), Stats).
-spec(set_session_stats(emqx_types:client_id(), chan_pid(), stats()) -> ok).
set_session_stats(ClientId, ChanPid, Stats) ->
Chan = {ClientId, ChanPid},
_ = ets:update_element(?SESSION_TAB, Chan, {3, Stats}),
ok.
with_channel(ClientId, Fun) ->
case lookup_channels(ClientId) of
[] -> undefined;
[Pid] -> Fun(Pid);
Pids -> Fun(lists:last(Pids))
end.
%% @doc Lookup channels.
-spec(lookup_channels(emqx_types:client_id()) -> list(chan_pid())).
lookup_channels(ClientId) ->
lookup_channels(global, ClientId).
%% @doc Lookup local or global channels.
-spec(lookup_channels(local | global, emqx_types:client_id()) -> list(chan_pid())).
lookup_channels(global, ClientId) ->
case emqx_cm_registry:is_enabled() of
true ->
emqx_cm_registry:lookup_channels(ClientId);
false ->
lookup_channels(local, ClientId)
end;
lookup_channels(local, ClientId) ->
[ChanPid || {_, ChanPid} <- ets:lookup(?CHAN_TAB, ClientId)].
%% @private
rpc_call(Node, Fun, Args) ->
case rpc:call(Node, ?MODULE, Fun, Args) of
{badrpc, Reason} -> error(Reason);
Res -> Res
end.
%% @private
cast(Msg) -> gen_server:cast(?CM, Msg).
%%--------------------------------------------------------------------
%% gen_server callbacks
%%-----------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
TabOpts = [public, set, {write_concurrency, true}],
ok = emqx_tables:new(?CONN_TAB, [{read_concurrency, true} | TabOpts]),
ok = emqx_tables:new(?CONN_ATTRS_TAB, TabOpts),
ok = emqx_tables:new(?CONN_STATS_TAB, TabOpts),
ok = emqx_stats:update_interval(conn_stats, fun ?MODULE:stats_fun/0),
{ok, #{conn_pmon => emqx_pmon:new()}}.
TabOpts = [public, {write_concurrency, true}],
ok = emqx_tables:new(?CHAN_TAB, [bag, {read_concurrency, true} | TabOpts]),
ok = emqx_tables:new(?CONN_TAB, [set, compressed | TabOpts]),
ok = emqx_tables:new(?SESSION_TAB, [set, compressed | TabOpts]),
ok = emqx_tables:new(?SESSION_P_TAB, [bag | TabOpts]),
ok = emqx_stats:update_interval(chan_stats, fun ?MODULE:stats_fun/0),
{ok, #{chan_pmon => emqx_pmon:new()}}.
handle_call(Req, _From, State) ->
?LOG(error, "Unexpected call: ~p", [Req]),
{reply, ignored, State}.
handle_cast({notify, {registered, ClientId, ConnPid}}, State = #{conn_pmon := PMon}) ->
{noreply, State#{conn_pmon := emqx_pmon:monitor(ConnPid, ClientId, PMon)}};
handle_cast({registered, {ClientId, ChanPid}}, State = #{chan_pmon := PMon}) ->
PMon1 = emqx_pmon:monitor(ChanPid, ClientId, PMon),
{noreply, State#{chan_pmon := PMon1}};
handle_cast({notify, {unregistered, ConnPid}}, State = #{conn_pmon := PMon}) ->
{noreply, State#{conn_pmon := emqx_pmon:demonitor(ConnPid, PMon)}};
handle_cast({unregistered, {_ClientId, ChanPid}}, State = #{chan_pmon := PMon}) ->
PMon1 = emqx_pmon:demonitor(ChanPid, PMon),
{noreply, State#{chan_pmon := PMon1}};
handle_cast(Msg, State) ->
?LOG(error, "Unexpected cast: ~p", [Msg]),
{noreply, State}.
handle_info({'DOWN', _MRef, process, Pid, _Reason}, State = #{conn_pmon := PMon}) ->
ConnPids = [Pid | emqx_misc:drain_down(?BATCH_SIZE)],
{Items, PMon1} = emqx_pmon:erase_all(ConnPids, PMon),
ok = emqx_pool:async_submit(
fun lists:foreach/2, [fun clean_down/1, Items]),
{noreply, State#{conn_pmon := PMon1}};
handle_info({'DOWN', _MRef, process, Pid, _Reason}, State = #{chan_pmon := PMon}) ->
ChanPids = [Pid | emqx_misc:drain_down(?BATCH_SIZE)],
{Items, PMon1} = emqx_pmon:erase_all(ChanPids, PMon),
ok = emqx_pool:async_submit(fun lists:foreach/2, [fun clean_down/1, Items]),
{noreply, State#{chan_pmon := PMon1}};
handle_info(Info, State) ->
?LOG(error, "Unexpected info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, _State) ->
emqx_stats:cancel_update(conn_stats).
emqx_stats:cancel_update(chan_stats).
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
clean_down({Pid, ClientId}) ->
Conn = {ClientId, Pid},
case ets:member(?CONN_TAB, ClientId)
orelse ets:member(?CONN_ATTRS_TAB, Conn) of
true ->
do_unregister_connection(Conn);
false -> false
end.
clean_down({ChanPid, ClientId}) ->
Chan = {ClientId, ChanPid},
do_unregister_channel(Chan).
stats_fun() ->
case ets:info(?CONN_TAB, size) of
lists:foreach(fun update_stats/1, ?CHAN_STATS).
update_stats({Tab, Stat, MaxStat}) ->
case ets:info(Tab, size) of
undefined -> ok;
Size -> emqx_stats:setstat('connections.count', 'connections.max', Size)
Size -> emqx_stats:setstat(Stat, MaxStat, Size)
end.

10
src/emqx_sm_locker.erl → src/emqx_cm_locker.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,8 +12,9 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_sm_locker).
-module(emqx_cm_locker).
-include("emqx.hrl").
-include("types.hrl").
@ -26,10 +28,6 @@
, unlock/1
]).
%%------------------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
-spec(start_link() -> startlink_ret()).
start_link() ->
ekka_locker:start_link(?MODULE).

95
src/emqx_sm_registry.erl → src/emqx_cm_registry.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,8 +12,10 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_sm_registry).
%% Global Channel Registry
-module(emqx_cm_registry).
-behaviour(gen_server).
@ -24,12 +27,14 @@
-export([start_link/0]).
-export([ is_enabled/0
, register_session/1
, lookup_session/1
, unregister_session/1
-export([is_enabled/0]).
-export([ register_channel/1
, unregister_channel/1
]).
-export([lookup_channels/1]).
%% gen_server callbacks
-export([ init/1
, handle_call/3
@ -40,57 +45,67 @@
]).
-define(REGISTRY, ?MODULE).
-define(TAB, emqx_session_registry).
-define(LOCK, {?MODULE, cleanup_sessions}).
-define(TAB, emqx_channel_registry).
-define(LOCK, {?MODULE, cleanup_down}).
-record(global_session, {sid, pid}).
-record(channel, {chid, pid}).
-type(session_pid() :: pid()).
%%------------------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%% @doc Start the global session manager.
%% @doc Start the global channel registry.
-spec(start_link() -> startlink_ret()).
start_link() ->
gen_server:start_link({local, ?REGISTRY}, ?MODULE, [], []).
%%--------------------------------------------------------------------
%% APIs
%%--------------------------------------------------------------------
%% @doc Is the global registry enabled?
-spec(is_enabled() -> boolean()).
is_enabled() ->
emqx_config:get_env(enable_session_registry, true).
emqx_config:get_env(enable_channel_registry, true).
-spec(lookup_session(emqx_types:client_id()) -> list(session_pid())).
lookup_session(ClientId) ->
[SessPid || #global_session{pid = SessPid} <- mnesia:dirty_read(?TAB, ClientId)].
%% @doc Register a global channel.
-spec(register_channel(emqx_types:client_id()
| {emqx_types:client_id(), pid()}) -> ok).
register_channel(ClientId) when is_binary(ClientId) ->
register_channel({ClientId, self()});
-spec(register_session({emqx_types:client_id(), session_pid()}) -> ok).
register_session({ClientId, SessPid}) when is_binary(ClientId), is_pid(SessPid) ->
register_channel({ClientId, ChanPid}) when is_binary(ClientId), is_pid(ChanPid) ->
case is_enabled() of
true -> mnesia:dirty_write(?TAB, record(ClientId, SessPid));
true -> mnesia:dirty_write(?TAB, record(ClientId, ChanPid));
false -> ok
end.
-spec(unregister_session({emqx_types:client_id(), session_pid()}) -> ok).
unregister_session({ClientId, SessPid}) when is_binary(ClientId), is_pid(SessPid) ->
%% @doc Unregister a global channel.
-spec(unregister_channel(emqx_types:client_id()
| {emqx_types:client_id(), pid()}) -> ok).
unregister_channel(ClientId) when is_binary(ClientId) ->
unregister_channel({ClientId, self()});
unregister_channel({ClientId, ChanPid}) when is_binary(ClientId), is_pid(ChanPid) ->
case is_enabled() of
true -> mnesia:dirty_delete_object(?TAB, record(ClientId, SessPid));
true -> mnesia:dirty_delete_object(?TAB, record(ClientId, ChanPid));
false -> ok
end.
record(ClientId, SessPid) ->
#global_session{sid = ClientId, pid = SessPid}.
%% @doc Lookup the global channels.
-spec(lookup_channels(emqx_types:client_id()) -> list(pid())).
lookup_channels(ClientId) ->
[ChanPid || #channel{pid = ChanPid} <- mnesia:dirty_read(?TAB, ClientId)].
%%------------------------------------------------------------------------------
record(ClientId, ChanPid) ->
#channel{chid = ClientId, pid = ChanPid}.
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
ok = ekka_mnesia:create_table(?TAB, [
{type, bag},
{ram_copies, [node()]},
{record_name, global_session},
{attributes, record_info(fields, global_session)},
{record_name, channel},
{attributes, record_info(fields, channel)},
{storage_properties, [{ets, [{read_concurrency, true},
{write_concurrency, true}]}]}]),
ok = ekka_mnesia:copy_table(?TAB),
@ -108,7 +123,7 @@ handle_cast(Msg, State) ->
handle_info({membership, {mnesia, down, Node}}, State) ->
global:trans({?LOCK, self()},
fun() ->
mnesia:transaction(fun cleanup_sessions/1, [Node])
mnesia:transaction(fun cleanup_channels/1, [Node])
end),
{noreply, State};
@ -125,14 +140,14 @@ terminate(_Reason, _State) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
cleanup_sessions(Node) ->
Pat = [{#global_session{pid = '$1', _ = '_'}, [{'==', {node, '$1'}, Node}], ['$_']}],
lists:foreach(fun delete_session/1, mnesia:select(?TAB, Pat, write)).
cleanup_channels(Node) ->
Pat = [{#channel{pid = '$1', _ = '_'}, [{'==', {node, '$1'}, Node}], ['$_']}],
lists:foreach(fun delete_channel/1, mnesia:select(?TAB, Pat, write)).
delete_session(Session) ->
mnesia:delete_object(?TAB, Session, write).
delete_channel(Chan) ->
mnesia:delete_object(?TAB, Chan, write).

35
src/emqx_cm_sup.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_cm_sup).
@ -30,20 +32,39 @@ init([]) ->
shutdown => 1000,
type => worker,
modules => [emqx_banned]},
FlappingOption = emqx_config:get_env(flapping_clean_interval, 3600000),
Flapping = #{id => flapping,
start => {emqx_flapping, start_link, [FlappingOption]},
start => {emqx_flapping, start_link, []},
restart => permanent,
shutdown => 1000,
type => worker,
modules => [emqx_flapping]},
%% Channel locker
Locker = #{id => locker,
start => {emqx_cm_locker, start_link, []},
restart => permanent,
shutdown => 5000,
type => worker,
modules => [emqx_cm_locker]
},
%% Channel registry
Registry = #{id => registry,
start => {emqx_cm_registry, start_link, []},
restart => permanent,
shutdown => 5000,
type => worker,
modules => [emqx_cm_registry]
},
%% Channel Manager
Manager = #{id => manager,
start => {emqx_cm, start_link, []},
restart => permanent,
shutdown => 2000,
shutdown => 5000,
type => worker,
modules => [emqx_cm]},
modules => [emqx_cm]
},
SupFlags = #{strategy => one_for_one,
intensity => 100,
period => 10},
{ok, {SupFlags, [Banned, Manager, Flapping]}}.
period => 10
},
{ok, {SupFlags, [Banned, Flapping, Locker, Registry, Manager]}}.

4
src/emqx_config.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc Hot Configuration
%%

4
src/emqx_ctl.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_ctl).

41
src/emqx_flapping.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,9 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc This module is used to garbage clean the flapping records.
-module(emqx_flapping).
@ -19,31 +23,29 @@
-behaviour(gen_statem).
-export([start_link/1]).
%% This module is used to garbage clean the flapping records
-export([start_link/0]).
%% gen_statem callbacks
-export([ terminate/3
, code_change/4
, init/1
-export([ init/1
, initialized/3
, callback_mode/0
, terminate/3
, code_change/4
]).
-define(FLAPPING_TAB, ?MODULE).
-export([check/3]).
-record(flapping,
{ client_id :: binary()
, check_count :: integer()
, timestamp :: integer()
}).
-record(flapping, {
client_id :: binary(),
check_count :: integer(),
timestamp :: integer()
}).
-type(flapping_record() :: #flapping{}).
-type(flapping_state() :: flapping | ok).
-type(flapping_state() :: flapping | ok).
%% @doc This function is used to initialize flapping records
%% the expiry time unit is minutes.
@ -96,18 +98,20 @@ check_flapping(Action, CheckCount, _Threshold = {TimesThreshold, TimeInterval},
%%--------------------------------------------------------------------
%% gen_statem callbacks
%%--------------------------------------------------------------------
-spec(start_link(TimerInterval :: [integer()]) -> startlink_ret()).
start_link(TimerInterval) ->
gen_statem:start_link({local, ?MODULE}, ?MODULE, [TimerInterval], []).
init([TimerInterval]) ->
-spec(start_link() -> startlink_ret()).
start_link() ->
gen_statem:start_link({local, ?MODULE}, ?MODULE, [], []).
init([]) ->
Interval = emqx_config:get_env(flapping_clean_interval, 3600000),
TabOpts = [ public
, set
, {keypos, 2}
, {write_concurrency, true}
, {read_concurrency, true}],
ok = emqx_tables:new(?FLAPPING_TAB, TabOpts),
{ok, initialized, #{timer_interval => TimerInterval}}.
{ok, initialized, #{timer_interval => Interval}}.
callback_mode() -> [state_functions, state_enter].
@ -134,3 +138,4 @@ clean_expired_records() ->
NowTime = emqx_time:now_secs(),
MatchSpec = [{{'$1', '$2', '$3'},[{'<', '$3', NowTime}], [true]}],
ets:select_delete(?FLAPPING_TAB, MatchSpec).

12
src/emqx_gc.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,9 +12,10 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc This module manages an opaque collection of statistics data used to
%% force garbage collection on `self()' process when hitting thresholds.
%% @doc This module manages an opaque collection of statistics data used
%% to force garbage collection on `self()' process when hitting thresholds.
%% Namely:
%% (1) Total number of messages passed through
%% (2) Total data volume passed through
@ -85,9 +87,9 @@ reset(?GCS(St)) ->
reset(undefined) ->
undefined.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(dec(cnt | oct, pos_integer(), st()) -> {boolean(), st()}).
dec(Key, Num, St) ->

4
src/emqx_gen_mod.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_gen_mod).

4
src/emqx_guid.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc Generate global unique id for mqtt message.
%%

35
src/emqx_hooks.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_hooks).
@ -21,7 +23,9 @@
-logger_header("[Hooks]").
-export([start_link/0, stop/0]).
-export([ start_link/0
, stop/0
]).
%% Hooks API
-export([ add/2
@ -54,11 +58,16 @@
-type(action() :: function() | mfa()).
-type(filter() :: function() | mfa()).
-record(callback, {action :: action(),
filter :: filter(),
priority :: integer()}).
-record(callback, {
action :: action(),
filter :: filter(),
priority :: integer()
}).
-record(hook, {name :: hookpoint(), callbacks :: list(#callback{})}).
-record(hook, {
name :: hookpoint(),
callbacks :: list(#callback{})
}).
-export_type([hookpoint/0, action/0, filter/0]).
@ -67,15 +76,16 @@
-spec(start_link() -> startlink_ret()).
start_link() ->
gen_server:start_link({local, ?SERVER}, ?MODULE, [], [{hibernate_after, 1000}]).
gen_server:start_link({local, ?SERVER},
?MODULE, [], [{hibernate_after, 1000}]).
-spec(stop() -> ok).
stop() ->
gen_server:stop(?SERVER, normal, infinity).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Hooks API
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Register a callback
-spec(add(hookpoint(), action() | #callback{}) -> ok_or_error(already_exists)).
@ -113,7 +123,6 @@ run(HookPoint, Args) ->
run_fold(HookPoint, Args, Acc) ->
do_run_fold(lookup(HookPoint), Args, Acc).
do_run([#callback{action = Action, filter = Filter} | Callbacks], Args) ->
case filter_passed(Filter, Args) andalso execute(Action, Args) of
%% stop the hook chain and return
@ -165,12 +174,12 @@ lookup(HookPoint) ->
[] -> []
end.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
ok = emqx_tables:new(?TAB, [{keypos, #hook.name}, {read_concurrency, true}, protected]),
ok = emqx_tables:new(?TAB, [{keypos, #hook.name}, {read_concurrency, true}]),
{ok, #{}}.
handle_call({add, HookPoint, Callback = #callback{action = Action}}, _From, State) ->

11
src/emqx_inflight.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_inflight).
@ -38,17 +40,18 @@
-opaque(inflight() :: {?MODULE, max_size(), gb_trees:tree()}).
-define(Inflight(Tree), {?MODULE, _MaxSize, Tree}).
-define(Inflight(MaxSize, Tree), {?MODULE, MaxSize, (Tree)}).
-export_type([inflight/0]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(new(non_neg_integer()) -> inflight()).
new(MaxSize) when MaxSize >= 0 ->
{?MODULE, MaxSize, gb_trees:empty()}.
?Inflight(MaxSize, gb_trees:empty()).
-spec(contain(key(), inflight()) -> boolean()).
contain(Key, ?Inflight(Tree)) ->

12
src/emqx_json.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_json).
@ -35,12 +37,12 @@ encode(Term, Opts) ->
jsx:encode(Term, Opts).
-spec(safe_encode(jsx:json_term())
-> {ok, jsx:json_text()} | {error, term()}).
-> {ok, jsx:json_text()} | {error, Reason :: term()}).
safe_encode(Term) ->
safe_encode(Term, []).
-spec(safe_encode(jsx:json_term(), jsx_to_json:config())
-> {ok, jsx:json_text()} | {error, term()}).
-> {ok, jsx:json_text()} | {error, Reason :: term()}).
safe_encode(Term, Opts) ->
try encode(Term, Opts) of
Json -> {ok, Json}
@ -58,12 +60,12 @@ decode(Json, Opts) ->
jsx:decode(Json, Opts).
-spec(safe_decode(jsx:json_text())
-> {ok, jsx:json_term()} | {error, term()}).
-> {ok, jsx:json_term()} | {error, Reason :: term()}).
safe_decode(Json) ->
safe_decode(Json, []).
-spec(safe_decode(jsx:json_text(), jsx_to_json:config())
-> {ok, jsx:json_term()} | {error, term()}).
-> {ok, jsx:json_term()} | {error, Reason :: term()}).
safe_decode(Json, Opts) ->
try decode(Json, Opts) of
Term -> {ok, Term}

18
src/emqx_keepalive.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_keepalive).
@ -20,15 +22,22 @@
, cancel/1
]).
-record(keepalive, {statfun, statval, tsec, tmsg, tref, repeat = 0}).
-record(keepalive, {
statfun,
statval,
tsec,
tmsg,
tref,
repeat = 0
}).
-opaque(keepalive() :: #keepalive{}).
-export_type([keepalive/0]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Start a keepalive
-spec(start(fun(), integer(), any()) -> {ok, keepalive()} | {error, term()}).
@ -79,3 +88,4 @@ cancel(_) ->
timer(Secs, Msg) ->
erlang:send_after(timer:seconds(Secs), self(), Msg).

4
src/emqx_kernel_sup.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_kernel_sup).

9
src/emqx_listeners.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc Start/Stop MQTT listeners.
-module(emqx_listeners).
@ -33,9 +35,9 @@
-type(listener() :: {esockd:proto(), esockd:listen_on(), [esockd:option()]}).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Start all listeners.
-spec(start() -> ok).
@ -167,3 +169,4 @@ format({Addr, Port}) when is_list(Addr) ->
io_lib:format("~s:~w", [Addr, Port]);
format({Addr, Port}) when is_tuple(Addr) ->
io_lib:format("~s:~w", [esockd_net:ntoab(Addr), Port]).

14
src/emqx_logger.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,10 +12,11 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_logger).
-compile({no_auto_import,[error/1]}).
-compile({no_auto_import, [error/1]}).
%% Logs
-export([ debug/1
@ -50,9 +52,9 @@
-export([parse_transform/2]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
debug(Msg) ->
logger:debug(Msg).
@ -125,9 +127,9 @@ set_log_level(Level) ->
parse_transform(AST, _Opts) ->
trans(AST, "", []).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal Functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
log_hanlder_info(#{id := Id, level := Level, module := logger_std_h,
config := #{type := Type}}) when Type =:= standard_io;

26
src/emqx_logger_formatter.erl
View File

@ -34,18 +34,22 @@
-define(IS_STRING(String),
(is_list(String) orelse is_binary(String))).
%%%-----------------------------------------------------------------
%%% Types
-type config() :: #{chars_limit => pos_integer() | unlimited,
depth => pos_integer() | unlimited,
max_size => pos_integer() | unlimited,
report_cb => logger:report_cb(),
quit => template()}.
-type template() :: [metakey() | {metakey(),template(),template()} | string()].
-type metakey() :: atom() | [atom()].
%%--------------------------------------------------------------------
%% Types
-type(config() :: #{chars_limit => pos_integer() | unlimited,
depth => pos_integer() | unlimited,
max_size => pos_integer() | unlimited,
report_cb => logger:report_cb(),
quit => template()}).
-type(template() :: [metakey() | {metakey(),template(),template()} | string()]).
-type(metakey() :: atom() | [atom()]).
%%--------------------------------------------------------------------
%% API
%%%-----------------------------------------------------------------
%%% API
-spec format(LogEvent,Config) -> unicode:chardata() when
LogEvent :: logger:log_event(),
Config :: config().

9
src/emqx_logger_handler.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_logger_handler).
@ -19,8 +21,8 @@
-export([init/0]).
init() ->
logger:add_handler(emqx_logger_handler,
emqx_logger_handler,
logger:add_handler(emqx_logger_handler,
emqx_logger_handler,
#{level => error,
filters => [{easy_filter, {fun filter_by_level/2, []}}],
filters_default => stop}).
@ -41,3 +43,4 @@ filter_by_level(LogEvent = #{level := error}, _Extra) ->
LogEvent;
filter_by_level(_LogEvent, _Extra) ->
stop.

4
src/emqx_message.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_message).

20
src/emqx_metrics.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_metrics).
@ -145,9 +147,9 @@ start_link() ->
stop() ->
gen_server:stop(?SERVER).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Metrics API
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(new(metric_name()) -> ok).
new(Name) ->
@ -251,9 +253,9 @@ update_counter(Name, Value) ->
end,
counters:add(CRef, CIdx, Value).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Inc Received/Sent metrics
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Inc packets received.
-spec(inc_recv(emqx_mqtt_types:packet()) -> ok).
@ -339,9 +341,9 @@ do_inc_sent(?PACKET(?AUTH)) ->
do_inc_sent(_Packet) ->
ignore.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
% Create counters array
@ -391,9 +393,9 @@ terminate(_Reason, _State) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
reserved_idx('bytes.received') -> 01;
reserved_idx('bytes.sent') -> 02;

4
src/emqx_misc.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_misc).

16
src/emqx_mod_acl_internal.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_mod_acl_internal).
@ -37,9 +39,9 @@
-type(acl_rules() :: #{publish => [emqx_access_rule:rule()],
subscribe => [emqx_access_rule:rule()]}).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% API
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
load(_Env) ->
Rules = rules_from_file(acl_file()),
@ -54,9 +56,9 @@ unload(_Env) ->
all_rules() ->
rules_from_file(acl_file()).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% ACL callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Check ACL
-spec(check_acl(emqx_types:credentials(), emqx_types:pubsub(), emqx_topic:topic(),
@ -73,9 +75,9 @@ check_acl(Credentials, PubSub, Topic, _AclResult, Rules) ->
reload_acl() ->
unload([]), load([]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal Functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
acl_file() ->
emqx_config:get_env(acl_file).

8
src/emqx_mod_presence.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_mod_presence).
@ -33,9 +35,9 @@
-define(ATTR_KEYS, [clean_start, proto_ver, proto_name, keepalive]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
load(Env) ->
emqx_hooks:add('client.connected', fun ?MODULE:on_client_connected/4, [Env]),

4
src/emqx_mod_rewrite.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_mod_rewrite).

4
src/emqx_mod_subscription.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_mod_subscription).

21
src/emqx_mod_sup.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,11 +12,14 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_mod_sup).
-behaviour(supervisor).
-include("types.hrl").
-export([ start_link/0
, start_child/1
, start_child/2
@ -25,8 +29,14 @@
-export([init/1]).
%% Helper macro for declaring children of supervisor
-define(CHILD(Mod, Type), {Mod, {Mod, start_link, []}, permanent, 5000, Type, [Mod]}).
-define(CHILD(Mod, Type), #{id => Mod,
start => {Mod, start_link, []},
restart => permanent,
shutdown => 5000,
type => Type,
modules => [Mod]}).
-spec(start_link() -> startlink_ret()).
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
@ -39,13 +49,14 @@ start_child(Mod, Type) when is_atom(Mod) andalso is_atom(Type) ->
-spec(stop_child(any()) -> ok | {error, term()}).
stop_child(ChildId) ->
case supervisor:terminate_child(?MODULE, ChildId) of
ok -> supervisor:delete_child(?MODULE, ChildId);
ok -> supervisor:delete_child(?MODULE, ChildId);
Error -> Error
end.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Supervisor callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
{ok, {{one_for_one, 10, 100}, []}}.

27
src/emqx_modules.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_modules).
@ -22,20 +24,25 @@
, unload/0
]).
%% @doc Load all the extended modules.
-spec(load() -> ok).
load() ->
ok = emqx_mod_acl_internal:load([]),
lists:foreach(
fun({Mod, Env}) ->
ok = Mod:load(Env),
?LOG(info, "Load ~s module successfully.", [Mod])
end, emqx_config:get_env(modules, [])).
lists:foreach(fun load/1, modules()).
load({Mod, Env}) ->
ok = Mod:load(Env),
?LOG(info, "Load ~s module successfully.", [Mod]).
modules() ->
emqx_config:get_env(modules, []).
%% @doc Unload all the extended modules.
-spec(unload() -> ok).
unload() ->
ok = emqx_mod_acl_internal:unload([]),
lists:foreach(
fun({Mod, Env}) ->
Mod:unload(Env) end,
emqx_config:get_env(modules, [])).
lists:foreach(fun unload/1, modules()).
unload({Mod, Env}) ->
Mod:unload(Env).

8
src/emqx_mountpoint.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_mountpoint).
@ -29,9 +31,9 @@
-export_type([mountpoint/0]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
mount(undefined, Any) ->
Any;

4
src/emqx_mqtt_caps.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc MQTTv5 capabilities
-module(emqx_mqtt_caps).

4
src/emqx_mqtt_props.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc MQTT5 Properties
-module(emqx_mqtt_props).

4
src/emqx_mqtt_types.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_mqtt_types).

6
src/emqx_mqueue.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,7 +12,9 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc A Simple in-memory message queue.
%%
%% Notice that MQTT is not a (on-disk) persistent messaging queue.
@ -42,6 +45,7 @@
%% unless `max_len' is set to `0' which implies (`infinity').
%%
%% @end
%%--------------------------------------------------------------------
-module(emqx_mqueue).

106
src/emqx_os_mon.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_os_mon).
@ -18,19 +20,10 @@
-include("logger.hrl").
-logger_header("[OS Monitor]").
-logger_header("[OS_MON]").
-export([start_link/1]).
%% gen_server callbacks
-export([ init/1
, handle_call/3
, handle_cast/2
, handle_info/2
, terminate/2
, code_change/3
]).
-export([ get_cpu_check_interval/0
, set_cpu_check_interval/1
, get_cpu_high_watermark/0
@ -45,15 +38,24 @@
, set_procmem_high_watermark/1
]).
-define(OS_MON, ?MODULE).
%% gen_server callbacks
-export([ init/1
, handle_call/3
, handle_cast/2
, handle_info/2
, terminate/2
, code_change/3
]).
%%------------------------------------------------------------------------------
%% API
%%------------------------------------------------------------------------------
-define(OS_MON, ?MODULE).
start_link(Opts) ->
gen_server:start_link({local, ?OS_MON}, ?MODULE, [Opts], []).
%%--------------------------------------------------------------------
%% API
%%--------------------------------------------------------------------
get_cpu_check_interval() ->
call(get_cpu_check_interval).
@ -90,9 +92,12 @@ get_procmem_high_watermark() ->
set_procmem_high_watermark(Float) ->
memsup:set_procmem_high_watermark(Float).
%%------------------------------------------------------------------------------
call(Req) ->
gen_server:call(?OS_MON, Req, infinity).
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([Opts]) ->
_ = cpu_sup:util(),
@ -107,47 +112,58 @@ init([Opts]) ->
handle_call(get_cpu_check_interval, _From, State) ->
{reply, maps:get(cpu_check_interval, State, undefined), State};
handle_call({set_cpu_check_interval, Seconds}, _From, State) ->
{reply, ok, State#{cpu_check_interval := Seconds}};
handle_call(get_cpu_high_watermark, _From, State) ->
{reply, maps:get(cpu_high_watermark, State, undefined), State};
handle_call({set_cpu_high_watermark, Float}, _From, State) ->
{reply, ok, State#{cpu_high_watermark := Float}};
handle_call(get_cpu_low_watermark, _From, State) ->
{reply, maps:get(cpu_low_watermark, State, undefined), State};
handle_call({set_cpu_low_watermark, Float}, _From, State) ->
{reply, ok, State#{cpu_low_watermark := Float}};
handle_call(_Request, _From, State) ->
{reply, ok, State}.
handle_call(Req, _From, State) ->
?LOG(error, "[OS_MON] Unexpected call: ~p", [Req]),
{reply, ignored, State}.
handle_cast(_Request, State) ->
handle_cast(Msg, State) ->
?LOG(error, "[OS_MON] Unexpected cast: ~p", [Msg]),
{noreply, State}.
handle_info({timeout, Timer, check}, State = #{timer := Timer,
cpu_high_watermark := CPUHighWatermark,
cpu_low_watermark := CPULowWatermark,
is_cpu_alarm_set := IsCPUAlarmSet}) ->
case cpu_sup:util() of
0 ->
{noreply, State#{timer := undefined}};
{error, Reason} ->
?LOG(error, "Failed to get cpu utilization: ~p", [Reason]),
{noreply, ensure_check_timer(State)};
Busy when Busy / 100 >= CPUHighWatermark ->
alarm_handler:set_alarm({cpu_high_watermark, Busy}),
{noreply, ensure_check_timer(State#{is_cpu_alarm_set := true})};
Busy when Busy / 100 < CPULowWatermark ->
case IsCPUAlarmSet of
true -> alarm_handler:clear_alarm(cpu_high_watermark);
false -> ok
end,
{noreply, ensure_check_timer(State#{is_cpu_alarm_set := false})};
_Busy ->
{noreply, ensure_check_timer(State)}
end.
handle_info({timeout, Timer, check},
State = #{timer := Timer,
cpu_high_watermark := CPUHighWatermark,
cpu_low_watermark := CPULowWatermark,
is_cpu_alarm_set := IsCPUAlarmSet}) ->
NState = case cpu_sup:util() of
0 ->
State#{timer := undefined};
{error, Reason} ->
?LOG(error, "Failed to get cpu utilization: ~p", [Reason]),
ensure_check_timer(State);
Busy when (Busy / 100) >= CPUHighWatermark ->
alarm_handler:set_alarm({cpu_high_watermark, Busy}),
ensure_check_timer(State#{is_cpu_alarm_set := true});
Busy when (Busy / 100) < CPULowWatermark ->
case IsCPUAlarmSet of
true -> alarm_handler:clear_alarm(cpu_high_watermark);
false -> ok
end,
ensure_check_timer(State#{is_cpu_alarm_set := false});
_Busy ->
ensure_check_timer(State)
end,
{noreply, NState};
handle_info(Info, State) ->
?LOG(error, "Unexpected info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, #{timer := Timer}) ->
emqx_misc:cancel_timer(Timer).
@ -155,11 +171,9 @@ terminate(_Reason, #{timer := Timer}) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
call(Req) ->
gen_server:call(?OS_MON, Req, infinity).
%%--------------------------------------------------------------------
ensure_check_timer(State = #{cpu_check_interval := Interval}) ->
State#{timer := emqx_misc:start_timer(timer:seconds(Interval), check)}.

8
src/emqx_packet.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_packet).
@ -40,9 +42,9 @@ protocol_name(?MQTT_PROTO_V5) ->
type_name(Type) when Type > ?RESERVED andalso Type =< ?AUTH ->
lists:nth(Type, ?TYPE_NAMES).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Validate MQTT Packet
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
validate(?SUBSCRIBE_PACKET(_PacketId, _Properties, [])) ->
error(topic_filters_invalid);

4
src/emqx_pd.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc The utility functions for erlang process dictionary.
-module(emqx_pd).

12
src/emqx_plugins.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_plugins).
@ -30,9 +32,9 @@
, load_expand_plugin/1
]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Init plugins' config
-spec(init() -> ok).
@ -47,8 +49,8 @@ init() ->
init_config(CfgFile) ->
{ok, [AppsEnv]} = file:consult(CfgFile),
lists:foreach(fun({AppName, Envs}) ->
[application:set_env(AppName, Par, Val) || {Par, Val} <- Envs]
lists:foreach(fun({App, Envs}) ->
[application:set_env(App, Par, Val) || {Par, Val} <- Envs]
end, AppsEnv).
%% @doc Load all plugins when the broker started.

8
src/emqx_pmon.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_pmon).
@ -33,9 +35,9 @@
-type(pmon() :: {?MODULE, map()}).
-export_type([pmon/0]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(new() -> pmon()).
new() ->

16
src/emqx_pool.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_pool).
@ -47,9 +49,9 @@
-type(task() :: fun() | mfa() | {fun(), Args :: list(any())}).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Start pool.
-spec(start_link(atom(), pos_integer()) -> startlink_ret()).
@ -87,9 +89,9 @@ cast(Msg) ->
worker() ->
gproc_pool:pick_worker(?POOL).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([Pool, Id]) ->
true = gproc_pool:connect_worker(Pool, {Pool, Id}),
@ -123,9 +125,9 @@ terminate(_Reason, #{pool := Pool, id := Id}) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
run({M, F, A}) ->
erlang:apply(M, F, A);

16
src/emqx_pool_sup.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_pool_sup).
@ -44,7 +46,8 @@ spec(ChildId, Args) ->
start_link() ->
start_link(?POOL, random, {?POOL, start_link, []}).
-spec(start_link(atom() | tuple(), atom(), mfa()) -> {ok, pid()} | {error, term()}).
-spec(start_link(atom() | tuple(), atom(), mfa())
-> {ok, pid()} | {error, term()}).
start_link(Pool, Type, MFA) ->
start_link(Pool, Type, emqx_vm:schedulers(), MFA).
@ -54,11 +57,16 @@ start_link(Pool, Type, Size, MFA) ->
supervisor:start_link(?MODULE, [Pool, Type, Size, MFA]).
init([Pool, Type, Size, {M, F, Args}]) ->
ensure_pool(Pool, Type, [{size, Size}]),
ok = ensure_pool(Pool, Type, [{size, Size}]),
{ok, {{one_for_one, 10, 3600}, [
begin
ensure_pool_worker(Pool, {Pool, I}, I),
{{M, I}, {M, F, [Pool, I | Args]}, transient, 5000, worker, [M]}
#{id => {M, I},
start => {M, F, [Pool, I | Args]},
restart => transient,
shutdown => 5000,
type => worker,
modules => [M]}
end || I <- lists:seq(1, Size)]}}.
ensure_pool(Pool, Type, Opts) ->

138
src/emqx_protocol.erl
View File

@ -51,7 +51,6 @@
proto_name,
client_id,
is_assigned,
conn_pid,
conn_props,
ack_props,
username,
@ -83,15 +82,15 @@
-define(NO_PROPS, undefined).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Init
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(init(map(), list()) -> state()).
init(SocketOpts = #{ sockname := Sockname
, peername := Peername
, peercert := Peercert
, sendfun := SendFun}, Options) ->
init(SocketOpts = #{sockname := Sockname,
peername := Peername,
peercert := Peercert,
sendfun := SendFun}, Options) ->
Zone = proplists:get_value(zone, Options),
#pstate{zone = Zone,
sendfun = SendFun,
@ -102,7 +101,6 @@ init(SocketOpts = #{ sockname := Sockname
proto_name = <<"MQTT">>,
client_id = <<>>,
is_assigned = false,
conn_pid = self(),
username = init_username(Peercert, Options),
clean_start = false,
topic_aliases = #{},
@ -110,6 +108,7 @@ init(SocketOpts = #{ sockname := Sockname
recv_stats = #{msg => 0, pkt => 0},
send_stats = #{msg => 0, pkt => 0},
connected = false,
%% TODO: ...?
topic_alias_maximum = #{to_client => 0, from_client => 0},
conn_mod = maps:get(conn_mod, SocketOpts, undefined),
credentials = #{},
@ -128,9 +127,9 @@ set_username(Username, PState = #pstate{username = undefined}) ->
set_username(_Username, PState) ->
PState.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% API
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
info(PState = #pstate{zone = Zone,
conn_props = ConnProps,
@ -159,19 +158,19 @@ attrs(#pstate{zone = Zone,
connected_at = ConnectedAt,
conn_mod = ConnMod,
credentials = Credentials}) ->
#{ zone => Zone
, client_id => ClientId
, username => Username
, peername => Peername
, peercert => Peercert
, proto_ver => ProtoVer
, proto_name => ProtoName
, clean_start => CleanStart
, keepalive => Keepalive
, is_bridge => IsBridge
, connected_at => ConnectedAt
, conn_mod => ConnMod
, credentials => Credentials
#{zone => Zone,
client_id => ClientId,
username => Username,
peername => Peername,
peercert => Peercert,
proto_ver => ProtoVer,
proto_name => ProtoName,
clean_start => CleanStart,
keepalive => Keepalive,
is_bridge => IsBridge,
connected_at => ConnectedAt,
conn_mod => ConnMod,
credentials => Credentials
}.
attr(proto_ver, #pstate{proto_ver = ProtoVer}) ->
@ -240,8 +239,8 @@ stats(#pstate{recv_stats = #{pkt := RecvPkt, msg := RecvMsg},
{send_pkt, SendPkt},
{send_msg, SendMsg}].
session(#pstate{session = SPid}) ->
SPid.
session(#pstate{session = Session}) ->
Session.
%%------------------------------------------------------------------------------
%% Packet Received
@ -366,6 +365,7 @@ preprocess_properties(Packet, PState) ->
%%------------------------------------------------------------------------------
%% Process MQTT Packet
%%------------------------------------------------------------------------------
process(?CONNECT_PACKET(
#mqtt_packet_connect{proto_name = ProtoName,
proto_ver = ProtoVer,
@ -405,11 +405,11 @@ process(?CONNECT_PACKET(
%% Open session
SessAttrs = #{will_msg => make_will_msg(ConnPkt)},
case try_open_session(SessAttrs, PState3) of
{ok, SPid, SP} ->
PState4 = PState3#pstate{session = SPid, connected = true,
{ok, Session, SP} ->
PState4 = PState3#pstate{session = Session, connected = true,
credentials = keepsafety(Credentials0)},
ok = emqx_cm:register_connection(client_id(PState4)),
true = emqx_cm:set_conn_attrs(client_id(PState4), attrs(PState4)),
ok = emqx_cm:register_channel(client_id(PState4)),
ok = emqx_cm:set_conn_attrs(client_id(PState4), attrs(PState4)),
%% Start keepalive
start_keepalive(Keepalive, PState4),
%% Success
@ -466,36 +466,43 @@ process(Packet = ?PUBLISH_PACKET(?QOS_2, Topic, PacketId, _Payload), PState = #p
end
end;
process(?PUBACK_PACKET(PacketId, ReasonCode), PState = #pstate{session = SPid}) ->
{ok = emqx_session:puback(SPid, PacketId, ReasonCode), PState};
process(?PUBACK_PACKET(PacketId, ReasonCode), PState = #pstate{session = Session}) ->
NSession = emqx_session:puback(PacketId, ReasonCode, Session),
{ok, PState#pstate{session = NSession}};
process(?PUBREC_PACKET(PacketId, ReasonCode), PState = #pstate{session = SPid}) ->
case emqx_session:pubrec(SPid, PacketId, ReasonCode) of
ok ->
send(?PUBREL_PACKET(PacketId), PState);
process(?PUBREC_PACKET(PacketId, ReasonCode), PState = #pstate{session = Session}) ->
case emqx_session:pubrec(PacketId, ReasonCode, Session) of
{ok, NSession} ->
send(?PUBREL_PACKET(PacketId), PState#pstate{session = NSession});
{error, NotFound} ->
send(?PUBREL_PACKET(PacketId, NotFound), PState)
end;
process(?PUBREL_PACKET(PacketId, ReasonCode), PState = #pstate{session = SPid}) ->
case emqx_session:pubrel(SPid, PacketId, ReasonCode) of
ok ->
send(?PUBCOMP_PACKET(PacketId), PState);
process(?PUBREL_PACKET(PacketId, ReasonCode), PState = #pstate{session = Session}) ->
case emqx_session:pubrel(PacketId, ReasonCode, Session) of
{ok, NSession} ->
send(?PUBCOMP_PACKET(PacketId), PState#pstate{session = NSession});
{error, NotFound} ->
send(?PUBCOMP_PACKET(PacketId, NotFound), PState)
end;
process(?PUBCOMP_PACKET(PacketId, ReasonCode), PState = #pstate{session = SPid}) ->
{ok = emqx_session:pubcomp(SPid, PacketId, ReasonCode), PState};
process(?PUBCOMP_PACKET(PacketId, ReasonCode), PState = #pstate{session = Session}) ->
case emqx_session:pubcomp(PacketId, ReasonCode, Session) of
{ok, NSession} ->
{ok, PState#pstate{session = NSession}};
{error, _NotFound} ->
%% TODO: How to handle NotFound?
{ok, PState}
end;
process(Packet = ?SUBSCRIBE_PACKET(PacketId, Properties, RawTopicFilters),
PState = #pstate{zone = Zone, session = SPid, credentials = Credentials}) ->
PState = #pstate{zone = Zone, proto_ver = ProtoVer, session = Session, credentials = Credentials}) ->
case check_subscribe(parse_topic_filters(?SUBSCRIBE, raw_topic_filters(PState, RawTopicFilters)), PState) of
{ok, TopicFilters} ->
TopicFilters0 = emqx_hooks:run_fold('client.subscribe', [Credentials], TopicFilters),
TopicFilters1 = emqx_mountpoint:mount(mountpoint(Credentials), TopicFilters0),
ok = emqx_session:subscribe(SPid, PacketId, Properties, TopicFilters1),
{ok, PState};
{ok, ReasonCodes, NSession} = emqx_session:subscribe(TopicFilters1, Session),
deliver({suback, PacketId, ReasonCodes}, PState#pstate{session = NSession});
{error, TopicFilters} ->
{SubTopics, ReasonCodes} =
lists:foldr(fun({Topic, #{rc := ?RC_SUCCESS}}, {Topics, Codes}) ->
@ -515,26 +522,26 @@ process(Packet = ?SUBSCRIBE_PACKET(PacketId, Properties, RawTopicFilters),
end;
process(?UNSUBSCRIBE_PACKET(PacketId, Properties, RawTopicFilters),
PState = #pstate{session = SPid, credentials = Credentials}) ->
PState = #pstate{session = Session, credentials = Credentials}) ->
TopicFilters = emqx_hooks:run_fold('client.unsubscribe', [Credentials],
parse_topic_filters(?UNSUBSCRIBE, RawTopicFilters)),
ok = emqx_session:unsubscribe(SPid, PacketId, Properties,
emqx_mountpoint:mount(mountpoint(Credentials), TopicFilters)),
{ok, PState};
TopicFilters1 = emqx_mountpoint:mount(mountpoint(Credentials), TopicFilters),
{ok, ReasonCodes, NSession} = emqx_session:unsubscribe(TopicFilters1, Session),
deliver({unsuback, PacketId, ReasonCodes}, PState#pstate{session = NSession});
process(?PACKET(?PINGREQ), PState) ->
send(?PACKET(?PINGRESP), PState);
process(?DISCONNECT_PACKET(?RC_SUCCESS, #{'Session-Expiry-Interval' := Interval}),
PState = #pstate{session = SPid, conn_props = #{'Session-Expiry-Interval' := OldInterval}}) ->
PState = #pstate{session = Session, conn_props = #{'Session-Expiry-Interval' := OldInterval}}) ->
case Interval =/= 0 andalso OldInterval =:= 0 of
true ->
deliver({disconnect, ?RC_PROTOCOL_ERROR}, PState),
{error, protocol_error, PState#pstate{will_msg = undefined}};
false ->
emqx_session:update_expiry_interval(SPid, Interval),
NSession = emqx_session:update_expiry_interval(Interval, Session),
%% Clean willmsg
{stop, normal, PState#pstate{will_msg = undefined}}
{stop, normal, PState#pstate{will_msg = undefined, session = NSession}}
end;
process(?DISCONNECT_PACKET(?RC_SUCCESS), PState) ->
@ -557,19 +564,27 @@ connack({ReasonCode, PState = #pstate{proto_ver = ProtoVer, credentials = Creden
_ = deliver({connack, ReasonCode1}, PState),
{error, emqx_reason_codes:name(ReasonCode1, ProtoVer), PState}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Publish Message -> Broker
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
do_publish(Packet = ?PUBLISH_PACKET(QoS, PacketId),
PState = #pstate{session = SPid, credentials = Credentials}) ->
PState = #pstate{session = Session, credentials = Credentials}) ->
Msg = emqx_mountpoint:mount(mountpoint(Credentials),
emqx_packet:to_message(Credentials, Packet)),
puback(QoS, PacketId, emqx_session:publish(SPid, PacketId, emqx_message:set_flag(dup, false, Msg)), PState).
Msg1 = emqx_message:set_flag(dup, false, Msg),
case emqx_session:publish(PacketId, Msg1, Session) of
{ok, Result} ->
puback(QoS, PacketId, {ok, Result}, PState);
{ok, Result, NSession} ->
puback(QoS, PacketId, {ok, Result}, PState#pstate{session = NSession});
{error, ReasonCode} ->
puback(QoS, PacketId, {error, ReasonCode}, PState)
end.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Puback -> Client
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
puback(?QOS_0, _PacketId, _Result, PState) ->
{ok, PState};
@ -729,21 +744,19 @@ maybe_assign_client_id(PState) ->
try_open_session(SessAttrs, PState = #pstate{zone = Zone,
client_id = ClientId,
conn_pid = ConnPid,
username = Username,
clean_start = CleanStart}) ->
case emqx_sm:open_session(
case emqx_cm:open_session(
maps:merge(#{zone => Zone,
client_id => ClientId,
conn_pid => ConnPid,
username => Username,
clean_start => CleanStart,
max_inflight => attr(max_inflight, PState),
expiry_interval => attr(expiry_interval, PState),
topic_alias_maximum => attr(topic_alias_maximum, PState)},
SessAttrs)) of
{ok, SPid} ->
{ok, SPid, false};
{ok, Session} ->
{ok, Session, false};
Other -> Other
end.
@ -1048,3 +1061,4 @@ do_acl_check(Action, Credentials, Topic, AllowTerm, DenyTerm) ->
allow -> AllowTerm;
deny -> DenyTerm
end.

6
src/emqx_psk.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_psk).
@ -35,4 +37,4 @@ lookup(psk, ClientPSKID, _UserState) ->
Except:Error:Stacktrace ->
?LOG(error, "Lookup PSK failed, ~p: ~p", [{Except,Error}, Stacktrace]),
error
end.
end.

4
src/emqx_reason_codes.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc MQTT5 reason codes
-module(emqx_reason_codes).

24
src/emqx_router.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_router).
@ -68,9 +70,9 @@
-define(ROUTE, emqx_route).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Mnesia bootstrap
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
mnesia(boot) ->
ok = ekka_mnesia:create_table(?ROUTE, [
@ -83,18 +85,18 @@ mnesia(boot) ->
mnesia(copy) ->
ok = ekka_mnesia:copy_table(?ROUTE).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Start a router
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(start_link(atom(), pos_integer()) -> startlink_ret()).
start_link(Pool, Id) ->
gen_server:start_link({local, emqx_misc:proc_name(?MODULE, Id)},
?MODULE, [Pool, Id], [{hibernate_after, 1000}]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Route APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(add_route(emqx_topic:topic()) -> ok | {error, term()}).
add_route(Topic) when is_binary(Topic) ->
@ -183,9 +185,9 @@ call(Router, Msg) ->
pick(Topic) ->
gproc_pool:pick_worker(router_pool, Topic).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([Pool, Id]) ->
true = gproc_pool:connect_worker(Pool, {Pool, Id}),
@ -217,9 +219,9 @@ terminate(_Reason, #{pool := Pool, id := Id}) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
insert_direct_route(Route) ->
mnesia:async_dirty(fun mnesia:write/3, [?ROUTE, Route, sticky_write]).

20
src/emqx_router_helper.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_router_helper).
@ -51,9 +53,9 @@
-define(ROUTING_NODE, emqx_routing_node).
-define(LOCK, {?MODULE, cleanup_routes}).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Mnesia bootstrap
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
mnesia(boot) ->
ok = ekka_mnesia:create_table(?ROUTING_NODE, [
@ -66,9 +68,9 @@ mnesia(boot) ->
mnesia(copy) ->
ok = ekka_mnesia:copy_table(?ROUTING_NODE).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% API
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Starts the router helper
-spec(start_link() -> startlink_ret()).
@ -86,9 +88,9 @@ monitor(Node) when is_atom(Node) ->
false -> mnesia:dirty_write(?ROUTING_NODE, #routing_node{name = Node})
end.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
ok = ekka:monitor(membership),
@ -154,9 +156,9 @@ terminate(_Reason, _State) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
stats_fun() ->
case ets:info(?ROUTE, size) of

4
src/emqx_router_sup.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_router_sup).

6
src/emqx_rpc.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
%% @doc wrap gen_rpc?
-module(emqx_rpc).
@ -32,7 +34,7 @@ cast(Node, Mod, Fun, Args) ->
filter_result(?RPC:cast(Node, Mod, Fun, Args)).
filter_result(Delivery) ->
case Delivery of
case Delivery of
{badrpc, Reason} -> {badrpc, Reason};
{badtcp, Reason} -> {badrpc, Reason};
_ -> Delivery

8
src/emqx_sequence.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_sequence).
@ -29,9 +31,9 @@
-export_type([seqid/0]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Create a sequence.
-spec(create(name()) -> ok).

1192
src/emqx_session.erl
View File

File diff suppressed because it is too large Load Diff

267
src/emqx_session_sup.erl
View File

@ -1,267 +0,0 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
-module(emqx_session_sup).
-behaviour(gen_server).
-include("logger.hrl").
-include("types.hrl").
-logger_header("[Session Supervisor]").
-export([start_link/1]).
-export([ start_session/1
, count_sessions/0
]).
%% gen_server callbacks
-export([ init/1
, handle_call/3
, handle_cast/2
, handle_info/2
, terminate/2
, code_change/3
]).
-type(shutdown() :: brutal_kill | infinity | pos_integer()).
-record(state,
{ sessions :: #{pid() => emqx_types:client_id()}
, mfargs :: mfa()
, shutdown :: shutdown()
, clean_down :: fun()
}).
-define(SUP, ?MODULE).
-define(BATCH_EXIT, 100000).
%% @doc Start session supervisor.
-spec(start_link(map()) -> startlink_ret()).
start_link(SessSpec) when is_map(SessSpec) ->
gen_server:start_link({local, ?SUP}, ?MODULE, [SessSpec], []).
%%------------------------------------------------------------------------------
%% API
%%------------------------------------------------------------------------------
%% @doc Start a session.
-spec(start_session(map()) -> startlink_ret()).
start_session(SessAttrs) ->
gen_server:call(?SUP, {start_session, SessAttrs}, infinity).
%% @doc Count sessions.
-spec(count_sessions() -> non_neg_integer()).
count_sessions() ->
gen_server:call(?SUP, count_sessions, infinity).
%%------------------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
init([Spec]) ->
process_flag(trap_exit, true),
MFA = maps:get(start, Spec),
Shutdown = maps:get(shutdown, Spec, brutal_kill),
CleanDown = maps:get(clean_down, Spec, undefined),
State = #state{sessions = #{},
mfargs = MFA,
shutdown = Shutdown,
clean_down = CleanDown
},
{ok, State}.
handle_call({start_session, SessAttrs = #{client_id := ClientId}}, _From,
State = #state{sessions = SessMap, mfargs = {M, F, Args}}) ->
try erlang:apply(M, F, [SessAttrs | Args]) of
{ok, Pid} ->
reply({ok, Pid}, State#state{sessions = maps:put(Pid, ClientId, SessMap)});
ignore ->
reply(ignore, State);
{error, Reason} ->
reply({error, Reason}, State)
catch
_:Error:Stk ->
?LOG(error, "Failed to start session ~p: ~p, stacktrace:~n~p",
[ClientId, Error, Stk]),
reply({error, Error}, State)
end;
handle_call(count_sessions, _From, State = #state{sessions = SessMap}) ->
{reply, maps:size(SessMap), State};
handle_call(Req, _From, State) ->
?LOG(error, "Unexpected call: ~p", [Req]),
{reply, ignored, State}.
handle_cast(Msg, State) ->
?LOG(error, "Unexpected cast: ~p", [Msg]),
{noreply, State}.
handle_info({'EXIT', Pid, _Reason}, State = #state{sessions = SessMap, clean_down = CleanDown}) ->
SessPids = [Pid | drain_exit(?BATCH_EXIT, [])],
{SessItems, SessMap1} = erase_all(SessPids, SessMap),
(CleanDown =:= undefined)
orelse emqx_pool:async_submit(
fun lists:foreach/2, [CleanDown, SessItems]),
{noreply, State#state{sessions = SessMap1}};
handle_info(Info, State) ->
?LOG(notice, "Unexpected info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, State) ->
terminate_children(State).
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
drain_exit(0, Acc) ->
lists:reverse(Acc);
drain_exit(Cnt, Acc) ->
receive
{'EXIT', Pid, _Reason} ->
drain_exit(Cnt - 1, [Pid|Acc])
after 0 ->
lists:reverse(Acc)
end.
erase_all(Pids, Map) ->
lists:foldl(
fun(Pid, {Acc, M}) ->
case maps:take(Pid, M) of
{Val, M1} ->
{[{Val, Pid}|Acc], M1};
error ->
{Acc, M}
end
end, {[], Map}, Pids).
terminate_children(State = #state{sessions = SessMap, shutdown = Shutdown}) ->
{Pids, EStack0} = monitor_children(SessMap),
Sz = sets:size(Pids),
EStack =
case Shutdown of
brutal_kill ->
sets:fold(fun(P, _) -> exit(P, kill) end, ok, Pids),
wait_children(Shutdown, Pids, Sz, undefined, EStack0);
infinity ->
sets:fold(fun(P, _) -> exit(P, shutdown) end, ok, Pids),
wait_children(Shutdown, Pids, Sz, undefined, EStack0);
Time when is_integer(Time) ->
sets:fold(fun(P, _) -> exit(P, shutdown) end, ok, Pids),
TRef = erlang:start_timer(Time, self(), kill),
wait_children(Shutdown, Pids, Sz, TRef, EStack0)
end,
%% Unroll stacked errors and report them
dict:fold(fun(Reason, Pid, _) ->
report_error(connection_shutdown_error, Reason, Pid, State)
end, ok, EStack).
monitor_children(SessMap) ->
lists:foldl(
fun(Pid, {Pids, EStack}) ->
case monitor_child(Pid) of
ok ->
{sets:add_element(Pid, Pids), EStack};
{error, normal} ->
{Pids, EStack};
{error, Reason} ->
{Pids, dict:append(Reason, Pid, EStack)}
end
end, {sets:new(), dict:new()}, maps:keys(SessMap)).
%% Help function to shutdown/2 switches from link to monitor approach
monitor_child(Pid) ->
%% Do the monitor operation first so that if the child dies
%% before the monitoring is done causing a 'DOWN'-message with
%% reason noproc, we will get the real reason in the 'EXIT'-message
%% unless a naughty child has already done unlink...
erlang:monitor(process, Pid),
unlink(Pid),
receive
%% If the child dies before the unlik we must empty
%% the mail-box of the 'EXIT'-message and the 'DOWN'-message.
{'EXIT', Pid, Reason} ->
receive
{'DOWN', _, process, Pid, _} ->
{error, Reason}
end
after 0 ->
%% If a naughty child did unlink and the child dies before
%% monitor the result will be that shutdown/2 receives a
%% 'DOWN'-message with reason noproc.
%% If the child should die after the unlink there
%% will be a 'DOWN'-message with a correct reason
%% that will be handled in shutdown/2.
ok
end.
wait_children(_Shutdown, _Pids, 0, undefined, EStack) ->
EStack;
wait_children(_Shutdown, _Pids, 0, TRef, EStack) ->
%% If the timer has expired before its cancellation, we must empty the
%% mail-box of the 'timeout'-message.
erlang:cancel_timer(TRef),
receive
{timeout, TRef, kill} ->
EStack
after 0 ->
EStack
end;
%%TODO: Copied from supervisor.erl, rewrite it later.
wait_children(brutal_kill, Pids, Sz, TRef, EStack) ->
receive
{'DOWN', _MRef, process, Pid, killed} ->
wait_children(brutal_kill, sets:del_element(Pid, Pids), Sz-1, TRef, EStack);
{'DOWN', _MRef, process, Pid, Reason} ->
wait_children(brutal_kill, sets:del_element(Pid, Pids),
Sz-1, TRef, dict:append(Reason, Pid, EStack))
end;
wait_children(Shutdown, Pids, Sz, TRef, EStack) ->
receive
{'DOWN', _MRef, process, Pid, shutdown} ->
wait_children(Shutdown, sets:del_element(Pid, Pids), Sz-1, TRef, EStack);
{'DOWN', _MRef, process, Pid, normal} ->
wait_children(Shutdown, sets:del_element(Pid, Pids), Sz-1, TRef, EStack);
{'DOWN', _MRef, process, Pid, Reason} ->
wait_children(Shutdown, sets:del_element(Pid, Pids), Sz-1,
TRef, dict:append(Reason, Pid, EStack));
{timeout, TRef, kill} ->
sets:fold(fun(P, _) -> exit(P, kill) end, ok, Pids),
wait_children(Shutdown, Pids, Sz-1, undefined, EStack)
end.
report_error(Error, Reason, Pid, #state{mfargs = MFA}) ->
SupName = list_to_atom("esockd_connection_sup - " ++ pid_to_list(self())),
ErrorMsg = [{supervisor, SupName},
{errorContext, Error},
{reason, Reason},
{offender, [{pid, Pid},
{name, connection},
{mfargs, MFA}]}],
error_logger:error_report(supervisor_report, ErrorMsg).
reply(Repy, State) ->
{reply, Repy, State}.

23
src/emqx_shared_sub.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_shared_sub).
@ -67,11 +69,12 @@
-define(no_ack, no_ack).
-record(state, {pmon}).
-record(emqx_shared_subscription, {group, topic, subpid}).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Mnesia bootstrap
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
mnesia(boot) ->
ok = ekka_mnesia:create_table(?TAB, [
@ -83,9 +86,9 @@ mnesia(boot) ->
mnesia(copy) ->
ok = ekka_mnesia:copy_table(?TAB).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% API
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(start_link() -> startlink_ret()).
start_link() ->
@ -275,12 +278,12 @@ do_pick_subscriber(Group, Topic, round_robin, _ClientId, Count) ->
subscribers(Group, Topic) ->
ets:select(?TAB, [{{emqx_shared_subscription, Group, Topic, '$1'}, [], ['$1']}]).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
mnesia:subscribe({table, ?TAB, simple}),
{ok, _} = mnesia:subscribe({table, ?TAB, simple}),
{atomic, PMon} = mnesia:transaction(fun init_monitors/0),
ok = emqx_tables:new(?SHARED_SUBS, [protected, bag]),
ok = emqx_tables:new(?ALIVE_SUBS, [protected, set, {read_concurrency, true}]),
@ -345,9 +348,9 @@ terminate(_Reason, _State) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% keep track of alive remote pids
maybe_insert_alive_tab(Pid) when ?IS_LOCAL_PID(Pid) -> ok;

297
src/emqx_sm.erl
View File

@ -1,297 +0,0 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
-module(emqx_sm).
-behaviour(gen_server).
-include("emqx.hrl").
-include("logger.hrl").
-include("types.hrl").
-logger_header("[SM]").
%% APIs
-export([start_link/0]).
-export([ open_session/1
, close_session/1
, resume_session/2
, discard_session/1
, discard_session/2
, register_session/1
, register_session/2
, unregister_session/1
, unregister_session/2
]).
-export([ get_session_attrs/1
, get_session_attrs/2
, set_session_attrs/2
, set_session_attrs/3
, get_session_stats/1
, get_session_stats/2
, set_session_stats/2
, set_session_stats/3
]).
-export([lookup_session_pids/1]).
%% Internal functions for rpc
-export([dispatch/3]).
%% Internal function for stats
-export([stats_fun/0]).
%% Internal function for emqx_session_sup
-export([clean_down/1]).
%% gen_server callbacks
-export([ init/1
, handle_call/3
, handle_cast/2
, handle_info/2
, terminate/2
, code_change/3
]).
-define(SM, ?MODULE).
%% ETS Tables for session management.
-define(SESSION_TAB, emqx_session).
-define(SESSION_P_TAB, emqx_session_p).
-define(SESSION_ATTRS_TAB, emqx_session_attrs).
-define(SESSION_STATS_TAB, emqx_session_stats).
-define(BATCH_SIZE, 100000).
%%------------------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
-spec(start_link() -> startlink_ret()).
start_link() ->
gen_server:start_link({local, ?SM}, ?MODULE, [], []).
%% @doc Open a session.
-spec(open_session(map()) -> {ok, pid()} | {ok, pid(), boolean()} | {error, term()}).
open_session(SessAttrs = #{clean_start := true, client_id := ClientId, conn_pid := ConnPid}) ->
CleanStart = fun(_) ->
ok = discard_session(ClientId, ConnPid),
emqx_session_sup:start_session(SessAttrs)
end,
emqx_sm_locker:trans(ClientId, CleanStart);
open_session(SessAttrs = #{clean_start := false, client_id := ClientId}) ->
ResumeStart = fun(_) ->
case resume_session(ClientId, SessAttrs) of
{ok, SessPid} ->
{ok, SessPid, true};
{error, not_found} ->
emqx_session_sup:start_session(SessAttrs)
end
end,
emqx_sm_locker:trans(ClientId, ResumeStart).
%% @doc Discard all the sessions identified by the ClientId.
-spec(discard_session(emqx_types:client_id()) -> ok).
discard_session(ClientId) when is_binary(ClientId) ->
discard_session(ClientId, self()).
-spec(discard_session(emqx_types:client_id(), pid()) -> ok).
discard_session(ClientId, ConnPid) when is_binary(ClientId) ->
lists:foreach(
fun(SessPid) ->
try emqx_session:discard(SessPid, ConnPid)
catch
_:Error:_Stk ->
?LOG(warning, "Failed to discard ~p: ~p", [SessPid, Error])
end
end, lookup_session_pids(ClientId)).
%% @doc Try to resume a session.
-spec(resume_session(emqx_types:client_id(), map()) -> {ok, pid()} | {error, term()}).
resume_session(ClientId, SessAttrs = #{conn_pid := ConnPid}) ->
case lookup_session_pids(ClientId) of
[] -> {error, not_found};
[SessPid] ->
ok = emqx_session:resume(SessPid, SessAttrs),
{ok, SessPid};
SessPids ->
[SessPid|StalePids] = lists:reverse(SessPids),
?LOG(error, "More than one session found: ~p", [SessPids]),
lists:foreach(fun(StalePid) ->
catch emqx_session:discard(StalePid, ConnPid)
end, StalePids),
ok = emqx_session:resume(SessPid, SessAttrs),
{ok, SessPid}
end.
%% @doc Close a session.
-spec(close_session(emqx_types:client_id() | pid()) -> ok).
close_session(ClientId) when is_binary(ClientId) ->
case lookup_session_pids(ClientId) of
[] -> ok;
[SessPid] -> close_session(SessPid);
SessPids -> lists:foreach(fun close_session/1, SessPids)
end;
close_session(SessPid) when is_pid(SessPid) ->
emqx_session:close(SessPid).
%% @doc Register a session.
-spec(register_session(emqx_types:client_id()) -> ok).
register_session(ClientId) when is_binary(ClientId) ->
register_session(ClientId, self()).
-spec(register_session(emqx_types:client_id(), pid()) -> ok).
register_session(ClientId, SessPid) when is_binary(ClientId), is_pid(SessPid) ->
Session = {ClientId, SessPid},
true = ets:insert(?SESSION_TAB, Session),
emqx_sm_registry:register_session(Session).
%% @doc Unregister a session
-spec(unregister_session(emqx_types:client_id()) -> ok).
unregister_session(ClientId) when is_binary(ClientId) ->
unregister_session(ClientId, self()).
-spec(unregister_session(emqx_types:client_id(), pid()) -> ok).
unregister_session(ClientId, SessPid) when is_binary(ClientId), is_pid(SessPid) ->
Session = {ClientId, SessPid},
true = ets:delete(?SESSION_STATS_TAB, Session),
true = ets:delete(?SESSION_ATTRS_TAB, Session),
true = ets:delete_object(?SESSION_P_TAB, Session),
true = ets:delete_object(?SESSION_TAB, Session),
emqx_sm_registry:unregister_session(Session).
%% @doc Get session attrs
-spec(get_session_attrs(emqx_types:client_id()) -> list(emqx_session:attr())).
get_session_attrs(ClientId) when is_binary(ClientId) ->
case lookup_session_pids(ClientId) of
[] -> [];
[SessPid|_] -> get_session_attrs(ClientId, SessPid)
end.
-spec(get_session_attrs(emqx_types:client_id(), pid()) -> list(emqx_session:attr())).
get_session_attrs(ClientId, SessPid) when is_binary(ClientId), is_pid(SessPid) ->
emqx_tables:lookup_value(?SESSION_ATTRS_TAB, {ClientId, SessPid}, []).
%% @doc Set session attrs
-spec(set_session_attrs(emqx_types:client_id(), list(emqx_session:attr())) -> true).
set_session_attrs(ClientId, SessAttrs) when is_binary(ClientId) ->
set_session_attrs(ClientId, self(), SessAttrs).
-spec(set_session_attrs(emqx_types:client_id(), pid(), list(emqx_session:attr())) -> true).
set_session_attrs(ClientId, SessPid, SessAttrs) when is_binary(ClientId), is_pid(SessPid) ->
Session = {ClientId, SessPid},
true = ets:insert(?SESSION_ATTRS_TAB, {Session, SessAttrs}),
proplists:get_value(clean_start, SessAttrs, true) orelse ets:insert(?SESSION_P_TAB, Session).
%% @doc Get session stats
-spec(get_session_stats(emqx_types:client_id()) -> list(emqx_stats:stats())).
get_session_stats(ClientId) when is_binary(ClientId) ->
case lookup_session_pids(ClientId) of
[] -> [];
[SessPid|_] ->
get_session_stats(ClientId, SessPid)
end.
-spec(get_session_stats(emqx_types:client_id(), pid()) -> list(emqx_stats:stats())).
get_session_stats(ClientId, SessPid) when is_binary(ClientId) ->
emqx_tables:lookup_value(?SESSION_STATS_TAB, {ClientId, SessPid}, []).
%% @doc Set session stats
-spec(set_session_stats(emqx_types:client_id(), emqx_stats:stats()) -> true).
set_session_stats(ClientId, Stats) when is_binary(ClientId) ->
set_session_stats(ClientId, self(), Stats).
-spec(set_session_stats(emqx_types:client_id(), pid(), emqx_stats:stats()) -> true).
set_session_stats(ClientId, SessPid, Stats) when is_binary(ClientId), is_pid(SessPid) ->
ets:insert(?SESSION_STATS_TAB, {{ClientId, SessPid}, Stats}).
%% @doc Lookup session pid.
-spec(lookup_session_pids(emqx_types:client_id()) -> list(pid())).
lookup_session_pids(ClientId) ->
case emqx_sm_registry:is_enabled() of
true -> emqx_sm_registry:lookup_session(ClientId);
false ->
case emqx_tables:lookup_value(?SESSION_TAB, ClientId) of
undefined -> [];
SessPid when is_pid(SessPid) -> [SessPid]
end
end.
%% @doc Dispatch a message to the session.
-spec(dispatch(emqx_types:client_id(), emqx_topic:topic(), emqx_types:message()) -> any()).
dispatch(ClientId, Topic, Msg) ->
case lookup_session_pids(ClientId) of
[SessPid|_] when is_pid(SessPid) ->
SessPid ! {dispatch, Topic, Msg};
[] ->
emqx_hooks:run('message.dropped', [#{client_id => ClientId}, Msg])
end.
%%------------------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
init([]) ->
TabOpts = [public, set, {write_concurrency, true}],
ok = emqx_tables:new(?SESSION_TAB, [{read_concurrency, true} | TabOpts]),
ok = emqx_tables:new(?SESSION_P_TAB, TabOpts),
ok = emqx_tables:new(?SESSION_ATTRS_TAB, TabOpts),
ok = emqx_tables:new(?SESSION_STATS_TAB, TabOpts),
ok = emqx_stats:update_interval(sess_stats, fun ?MODULE:stats_fun/0),
{ok, #{}}.
handle_call(Req, _From, State) ->
?LOG(error, "Unexpected call: ~p", [Req]),
{reply, ignored, State}.
handle_cast(Msg, State) ->
?LOG(error, "Unexpected cast: ~p", [Msg]),
{noreply, State}.
handle_info(Info, State) ->
?LOG(error, "Unexpected info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, _State) ->
emqx_stats:cancel_update(sess_stats).
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
clean_down(Session = {ClientId, SessPid}) ->
case ets:member(?SESSION_TAB, ClientId)
orelse ets:member(?SESSION_ATTRS_TAB, Session) of
true ->
unregister_session(ClientId, SessPid);
false -> ok
end.
stats_fun() ->
safe_update_stats(?SESSION_TAB, 'sessions.count', 'sessions.max'),
safe_update_stats(?SESSION_P_TAB, 'sessions.persistent.count', 'sessions.persistent.max').
safe_update_stats(Tab, Stat, MaxStat) ->
case ets:info(Tab, size) of
undefined -> ok;
Size -> emqx_stats:setstat(Stat, MaxStat, Size)
end.

64
src/emqx_sm_sup.erl
View File

@ -1,64 +0,0 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
-module(emqx_sm_sup).
-behaviour(supervisor).
-export([start_link/0]).
-export([init/1]).
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
init([]) ->
%% Session locker
Locker = #{id => locker,
start => {emqx_sm_locker, start_link, []},
restart => permanent,
shutdown => 5000,
type => worker,
modules => [emqx_sm_locker]
},
%% Session registry
Registry = #{id => registry,
start => {emqx_sm_registry, start_link, []},
restart => permanent,
shutdown => 5000,
type => worker,
modules => [emqx_sm_registry]
},
%% Session Manager
Manager = #{id => manager,
start => {emqx_sm, start_link, []},
restart => permanent,
shutdown => 5000,
type => worker,
modules => [emqx_sm]
},
%% Session Sup
SessSpec = #{start => {emqx_session, start_link, []},
shutdown => brutal_kill,
clean_down => fun emqx_sm:clean_down/1
},
SessionSup = #{id => session_sup,
start => {emqx_session_sup, start_link, [SessSpec ]},
restart => transient,
shutdown => infinity,
type => supervisor,
modules => [emqx_session_sup]
},
{ok, {{rest_for_one, 10, 3600}, [Locker, Registry, Manager, SessionSup]}}.

22
src/emqx_stats.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_stats).
@ -51,7 +53,11 @@
-record(update, {name, countdown, interval, func}).
-record(state, {timer, updates :: [#update{}], tick_ms :: timeout()}).
-record(state, {
timer :: reference(),
updates :: [#update{}],
tick_ms :: timeout()
}).
-type(stats() :: list({atom(), non_neg_integer()})).
@ -168,9 +174,9 @@ rec(Name, Secs, UpFun) ->
cast(Msg) ->
gen_server:cast(?SERVER, Msg).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init(#{tick_ms := TickMs}) ->
ok = emqx_tables:new(?TAB, [public, set, {write_concurrency, true}]),
@ -201,7 +207,8 @@ handle_cast({setstat, Stat, MaxStat, Val}, State) ->
safe_update_element(Stat, Val),
{noreply, State};
handle_cast({update_interval, Update = #update{name = Name}}, State = #state{updates = Updates}) ->
handle_cast({update_interval, Update = #update{name = Name}},
State = #state{updates = Updates}) ->
case lists:keyfind(Name, #update.name, Updates) of
#update{} ->
?LOG(warning, "Duplicated update: ~s", [Name]),
@ -242,9 +249,9 @@ terminate(_Reason, #state{timer = TRef}) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
safe_update_element(Key, Val) ->
try ets:update_element(?TAB, Key, {2, Val}) of
@ -256,3 +263,4 @@ safe_update_element(Key, Val) ->
error:badarg ->
?LOG(warning, "Update ~p to ~p failed", [Key, Val])
end.

70
src/emqx_sup.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,11 +12,14 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_sup).
-behaviour(supervisor).
-include("types.hrl").
-export([ start_link/0
, start_child/1
, start_child/2
@ -28,29 +32,28 @@
| {ok, supervisor:child(), term()}
| {error, term()}).
-define(SUPERVISOR, ?MODULE).
-define(SUP, ?MODULE).
%%--------------------------------------------------------------------
%% API
%%--------------------------------------------------------------------
-spec(start_link() -> startlink_ret()).
start_link() ->
supervisor:start_link({local, ?SUPERVISOR}, ?MODULE, []).
supervisor:start_link({local, ?SUP}, ?MODULE, []).
-spec(start_child(supervisor:child_spec()) -> startchild_ret()).
start_child(ChildSpec) when is_tuple(ChildSpec) ->
supervisor:start_child(?SUPERVISOR, ChildSpec).
supervisor:start_child(?SUP, ChildSpec).
-spec(start_child(module(), worker | supervisor) -> startchild_ret()).
start_child(Mod, worker) ->
start_child(worker_spec(Mod));
start_child(Mod, supervisor) ->
start_child(supervisor_spec(Mod)).
start_child(Mod, Type) ->
start_child(child_spec(Mod, Type)).
-spec(stop_child(supervisor:child_id()) -> ok | {error, term()}).
stop_child(ChildId) ->
case supervisor:terminate_child(?SUPERVISOR, ChildId) of
ok -> supervisor:delete_child(?SUPERVISOR, ChildId);
case supervisor:terminate_child(?SUP, ChildId) of
ok -> supervisor:delete_child(?SUP, ChildId);
Error -> Error
end.
@ -60,32 +63,39 @@ stop_child(ChildId) ->
init([]) ->
%% Kernel Sup
KernelSup = supervisor_spec(emqx_kernel_sup),
KernelSup = child_spec(emqx_kernel_sup, supervisor),
%% Router Sup
RouterSup = supervisor_spec(emqx_router_sup),
RouterSup = child_spec(emqx_router_sup, supervisor),
%% Broker Sup
BrokerSup = supervisor_spec(emqx_broker_sup),
BridgeSup = supervisor_spec(emqx_bridge_sup),
%% Session Manager
SMSup = supervisor_spec(emqx_sm_sup),
%% Connection Manager
CMSup = supervisor_spec(emqx_cm_sup),
BrokerSup = child_spec(emqx_broker_sup, supervisor),
%% Bridge Sup
BridgeSup = child_spec(emqx_bridge_sup, supervisor),
%% CM Sup
CMSup = child_spec(emqx_cm_sup, supervisor),
%% Sys Sup
SysSup = supervisor_spec(emqx_sys_sup),
SysSup = child_spec(emqx_sys_sup, supervisor),
{ok, {{one_for_all, 0, 1},
[KernelSup,
RouterSup,
BrokerSup,
BridgeSup,
SMSup,
CMSup,
SysSup]}}.
[KernelSup, RouterSup, BrokerSup, BridgeSup, CMSup, SysSup]}}.
%%--------------------------------------------------------------------
%% Internal functions
%%--------------------------------------------------------------------
worker_spec(M) ->
{M, {M, start_link, []}, permanent, 30000, worker, [M]}.
supervisor_spec(M) ->
{M, {M, start_link, []}, permanent, infinity, supervisor, [M]}.
child_spec(Mod, supervisor) ->
#{id => Mod,
start => {Mod, start_link, []},
restart => permanent,
shutdown => infinity,
type => supervisor,
modules => [Mod]
};
child_spec(Mod, worker) ->
#{id => Mod,
start => {Mod, start_link, []},
restart => permanent,
shutdown => 15000,
type => worker,
modules => [Mod]
}.

4
src/emqx_sys.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_sys).

14
src/emqx_sys_mon.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_sys_mon).
@ -43,18 +45,14 @@
-define(SYSMON, ?MODULE).
%%------------------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%% @doc Start system monitor
%% @doc Start the system monitor.
-spec(start_link(list(option())) -> startlink_ret()).
start_link(Opts) ->
gen_server:start_link({local, ?SYSMON}, ?MODULE, [Opts], []).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([Opts]) ->
erlang:system_monitor(self(), parse_opt(Opts)),

33
src/emqx_sys_sup.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_sys_sup).
@ -24,23 +26,28 @@ start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
init([]) ->
{ok, {{one_for_one, 10, 100}, [child_spec(emqx_sys, worker),
child_spec(emqx_sys_mon, worker, [emqx_config:get_env(sysmon, [])]),
child_spec(emqx_os_mon, worker, [emqx_config:get_env(os_mon, [])]),
child_spec(emqx_vm_mon, worker, [emqx_config:get_env(vm_mon, [])])]}}.
Childs = [child_spec(emqx_sys),
child_spec(emqx_sys_mon, [config(sysmon)]),
child_spec(emqx_os_mon, [config(os_mon)]),
child_spec(emqx_vm_mon, [config(vm_mon)])],
{ok, {{one_for_one, 10, 100}, Childs}}.
%%--------------------------------------------------------------------
%% Internal functions
%%--------------------------------------------------------------------
child_spec(M, worker) ->
child_spec(M, worker, []).
child_spec(Mod) ->
child_spec(Mod, []).
child_spec(M, worker, A) ->
#{id => M,
start => {M, start_link, A},
restart => permanent,
child_spec(Mod, Args) ->
#{id => Mod,
start => {Mod, start_link, Args},
restart => permanent,
shutdown => 5000,
type => worker,
modules => [M]}.
type => worker,
modules => [Mod]
}.
config(Name) ->
emqx_config:get_env(Name, []).

5
src/emqx_tables.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_tables).
@ -52,3 +54,4 @@ lookup_value(Tab, Key, Def) ->
catch
error:badarg -> Def
end.

5
src/emqx_time.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_time).
@ -39,3 +41,4 @@ now_ms({MegaSecs, Secs, MicroSecs}) ->
ts_from_ms(Ms) ->
{Ms div 1000000, Ms rem 1000000, 0}.

8
src/emqx_topic.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_topic).
@ -43,9 +45,9 @@
-define(MAX_TOPIC_LEN, 4096).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Is wildcard topic?
-spec(wildcard(topic() | words()) -> true | false).

4
src/emqx_tracer.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_tracer).

16
src/emqx_trie.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_trie).
@ -35,9 +37,9 @@
-define(TRIE, emqx_trie).
-define(TRIE_NODE, emqx_trie_node).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Mnesia bootstrap
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Create or replicate trie tables.
-spec(mnesia(boot | copy) -> ok).
@ -64,9 +66,9 @@ mnesia(copy) ->
%% Copy trie_node table
ok = ekka_mnesia:copy_table(?TRIE_NODE).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Trie APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @doc Insert a topic filter into the trie.
-spec(insert(emqx_topic:topic()) -> ok).
@ -111,9 +113,9 @@ delete(Topic) when is_binary(Topic) ->
empty() ->
ets:info(?TRIE, size) == 0.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% @private
%% @doc Add a path to the trie.

10
src/emqx_types.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_types).
@ -32,9 +34,7 @@
, protocol/0
]).
-export_type([ credentials/0
, session/0
]).
-export_type([credentials/0]).
-export_type([ subscription/0
, subscriber/0
@ -65,7 +65,6 @@
share => binary(),
atom() => term()
}).
-type(session() :: #session{}).
-type(client_id() :: binary() | atom()).
-type(username() :: maybe(binary())).
-type(password() :: maybe(binary())).
@ -105,3 +104,4 @@
-type(alarm() :: #alarm{}).
-type(plugin() :: #plugin{}).
-type(command() :: #command{}).

4
src/emqx_vm.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_vm).

78
src/emqx_vm_mon.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,11 +12,14 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_vm_mon).
-behaviour(gen_server).
-include("logger.hrl").
%% APIs
-export([start_link/1]).
@ -38,13 +42,13 @@
-define(VM_MON, ?MODULE).
%%----------------------------------------------------------------------
%% API
%%----------------------------------------------------------------------
start_link(Opts) ->
gen_server:start_link({local, ?VM_MON}, ?MODULE, [Opts], []).
%%--------------------------------------------------------------------
%% API
%%--------------------------------------------------------------------
get_check_interval() ->
call(get_check_interval).
@ -63,9 +67,12 @@ get_process_low_watermark() ->
set_process_low_watermark(Float) ->
call({set_process_low_watermark, Float}).
%%----------------------------------------------------------------------
call(Req) ->
gen_server:call(?VM_MON, Req, infinity).
%%--------------------------------------------------------------------
%% gen_server callbacks
%%----------------------------------------------------------------------
%%--------------------------------------------------------------------
init([Opts]) ->
{ok, ensure_check_timer(#{check_interval => proplists:get_value(check_interval, Opts, 30),
@ -76,43 +83,53 @@ init([Opts]) ->
handle_call(get_check_interval, _From, State) ->
{reply, maps:get(check_interval, State, undefined), State};
handle_call({set_check_interval, Seconds}, _From, State) ->
{reply, ok, State#{check_interval := Seconds}};
handle_call(get_process_high_watermark, _From, State) ->
{reply, maps:get(process_high_watermark, State, undefined), State};
handle_call({set_process_high_watermark, Float}, _From, State) ->
{reply, ok, State#{process_high_watermark := Float}};
handle_call(get_process_low_watermark, _From, State) ->
{reply, maps:get(process_low_watermark, State, undefined), State};
handle_call({set_process_low_watermark, Float}, _From, State) ->
{reply, ok, State#{process_low_watermark := Float}};
handle_call(_Request, _From, State) ->
{reply, ok, State}.
handle_call(Req, _From, State) ->
?LOG(error, "[VM_MON] Unexpected call: ~p", [Req]),
{reply, ignored, State}.
handle_cast(_Request, State) ->
handle_cast(Msg, State) ->
?LOG(error, "[VM_MON] Unexpected cast: ~p", [Msg]),
{noreply, State}.
handle_info({timeout, Timer, check}, State = #{timer := Timer,
process_high_watermark := ProcHighWatermark,
process_low_watermark := ProcLowWatermark,
is_process_alarm_set := IsProcessAlarmSet}) ->
handle_info({timeout, Timer, check},
State = #{timer := Timer,
process_high_watermark := ProcHighWatermark,
process_low_watermark := ProcLowWatermark,
is_process_alarm_set := IsProcessAlarmSet}) ->
ProcessCount = erlang:system_info(process_count),
case ProcessCount / erlang:system_info(process_limit) of
Percent when Percent >= ProcHighWatermark ->
alarm_handler:set_alarm({too_many_processes, ProcessCount}),
{noreply, ensure_check_timer(State#{is_process_alarm_set := true})};
Percent when Percent < ProcLowWatermark ->
case IsProcessAlarmSet of
true -> alarm_handler:clear_alarm(too_many_processes);
false -> ok
end,
{noreply, ensure_check_timer(State#{is_process_alarm_set := false})};
_Precent ->
{noreply, ensure_check_timer(State)}
end.
NState = case ProcessCount / erlang:system_info(process_limit) of
Percent when Percent >= ProcHighWatermark ->
alarm_handler:set_alarm({too_many_processes, ProcessCount}),
State#{is_process_alarm_set := true};
Percent when Percent < ProcLowWatermark ->
case IsProcessAlarmSet of
true -> alarm_handler:clear_alarm(too_many_processes);
false -> ok
end,
State#{is_process_alarm_set := false};
_Precent -> State
end,
{noreply, ensure_check_timer(NState)};
handle_info(Info, State) ->
?LOG(error, "[VM_MON] Unexpected info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, #{timer := Timer}) ->
emqx_misc:cancel_timer(Timer).
@ -120,11 +137,10 @@ terminate(_Reason, #{timer := Timer}) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%----------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%----------------------------------------------------------------------
call(Req) ->
gen_server:call(?VM_MON, Req, infinity).
%%--------------------------------------------------------------------
ensure_check_timer(State = #{check_interval := Interval}) ->
State#{timer := emqx_misc:start_timer(timer:seconds(Interval), check)}.

4
src/emqx_ws_channel.erl
View File

@ -148,8 +148,7 @@ websocket_init(#state{request = Req, options = Options}) ->
?LOG(error, "Illegal cookie"),
undefined;
Error:Reason ->
?LOG(error,
"Cookie is parsed failed, Error: ~p, Reason ~p",
?LOG(error, "Cookie is parsed failed, Error: ~p, Reason ~p",
[Error, Reason]),
undefined
end,
@ -346,3 +345,4 @@ shutdown(Reason, State) ->
wsock_stats() ->
[{Key, emqx_pd:get_counter(Key)} || Key <- ?SOCK_STATS].

16
src/emqx_zone.erl
View File

@ -1,4 +1,5 @@
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
%% Copyright (c) 2019 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_zone).
@ -50,9 +52,9 @@
-define(SERVER, ?MODULE).
-define(KEY(Zone, Key), {?MODULE, Zone, Key}).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% APIs
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
-spec(start_link() -> startlink_ret()).
start_link() ->
@ -85,9 +87,9 @@ force_reload() ->
stop() ->
gen_server:stop(?SERVER, normal, infinity).
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% gen_server callbacks
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
init([]) ->
_ = do_reload(),
@ -119,9 +121,9 @@ terminate(_Reason, _State) ->
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
%%--------------------------------------------------------------------
do_reload() ->
[ persistent_term:put(?KEY(Zone, Key), Val)

24
test/emqx_ws_channel_SUITE.erl
View File

@ -23,11 +23,6 @@
-include_lib("eunit/include/eunit.hrl").
-include_lib("common_test/include/ct.hrl").
-define(CLIENT, ?CONNECT_PACKET(#mqtt_packet_connect{
client_id = <<"mqtt_client">>,
username = <<"admin">>,
password = <<"public">>})).
all() ->
[ t_ws_connect_api
, t_ws_auth_failure
@ -44,17 +39,13 @@ t_ws_auth_failure(_Config) ->
application:set_env(emqx, allow_anonymous, false),
WS = rfc6455_client:new("ws://127.0.0.1:8083" ++ "/mqtt", self()),
{ok, _} = rfc6455_client:open(WS),
Packet = raw_send_serialize(?CLIENT),
ok = rfc6455_client:send_binary(WS, Packet),
{binary, CONNACK} = rfc6455_client:recv(WS),
{ok, ?CONNACK_PACKET(?CONNACK_AUTH), <<>>, _} = raw_recv_pase(CONNACK),
application:set_env(emqx, allow_anonymous, true),
ok.
t_ws_connect_api(_Config) ->
WS = rfc6455_client:new("ws://127.0.0.1:8083" ++ "/mqtt", self()),
{ok, _} = rfc6455_client:open(WS),
ok = rfc6455_client:send_binary(WS, raw_send_serialize(?CLIENT)),
Connect = ?CONNECT_PACKET(
#mqtt_packet_connect{
client_id = <<"mqtt_client">>,
username = <<"admin">>,
password = <<"public">>
}),
ok = rfc6455_client:send_binary(WS, raw_send_serialize(Connect)),
{binary, Bin} = rfc6455_client:recv(WS),
Connack = ?CONNACK_PACKET(?CONNACK_ACCEPT),
{ok, Connack, <<>>, _} = raw_recv_pase(Bin),
@ -97,3 +88,4 @@ t_stats(StatsData) ->
?assertEqual(true, proplists:get_value(recv_pkt, StatsData) =:=1),
?assertEqual(true, proplists:get_value(recv_msg, StatsData) >=0),
?assertEqual(true, proplists:get_value(send_pkt, StatsData) =:=1).