src/emqttd_mod_rewrite.erl

This commit is contained in:
Feng 2015-10-13 21:01:53 +08:00
parent a055a0a0c8
commit d3e39ae9a3
12 changed files with 125 additions and 123 deletions

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@ -47,6 +47,8 @@
%%------------------------------------------------------------------------------
-type pubsub() :: publish | subscribe.
-define(IS_PUBSUB(PS), (PS =:= publish orelse PS =:= subscribe)).
%%------------------------------------------------------------------------------
%% MQTT Topic
%%------------------------------------------------------------------------------

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@ -24,6 +24,7 @@
%%%
%%% @end
%%%-----------------------------------------------------------------------------
-module(emqttd).
-author("Feng Lee <feng@emqtt.io>").
@ -41,7 +42,7 @@
{nodelay, true}
]).
-type listener() :: {atom(), inet:port_number(), [esockd:option()]}.
-type listener() :: {atom(), inet:port_number(), [esockd:option()]}.
%%------------------------------------------------------------------------------
%% @doc Start emqttd application.
@ -109,14 +110,12 @@ close_listeners(Listeners) when is_list(Listeners) ->
close_listener({Protocol, Port, _Options}) ->
esockd:close({Protocol, Port}).
load_all_mods() ->
Mods = application:get_env(emqttd, modules, []),
lists:foreach(fun({Name, Opts}) ->
lists:foreach(fun({Name, Opts}) ->
Mod = list_to_atom("emqttd_mod_" ++ atom_to_list(Name)),
Mod:load(Opts),
lager:info("load module ~s successfully", [Name])
end, Mods).
end, env(modules)).
is_mod_enabled(Name) ->
env(modules, Name) =/= undefined.

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@ -24,6 +24,7 @@
%%%
%%% @end
%%%-----------------------------------------------------------------------------
-module(emqttd_access_rule).
-author("Feng Lee <feng@emqtt.io>").

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@ -30,9 +30,11 @@
-include_lib("kernel/include/inet.hrl").
-export([tcp_name/3, tcp_host/1, getopts/2, setopts/2, getaddr/2, port_to_listeners/1]).
-export([tcp_name/3, tcp_host/1, getopts/2, setopts/2,
getaddr/2, port_to_listeners/1]).
-export([peername/1, sockname/1, format/2, format/1, connection_string/2, ntoa/1]).
-export([peername/1, sockname/1, format/2, format/1,
connection_string/2, ntoa/1]).
-define(FIRST_TEST_BIND_PORT, 10000).

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@ -24,6 +24,7 @@
%%%
%%% @end
%%%-----------------------------------------------------------------------------
-module(emqttd_opts).
-author("Feng Lee <feng@emqtt.io>").

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@ -41,7 +41,6 @@
%% @doc Load all plugins when the broker started.
%% @end
%%------------------------------------------------------------------------------
-spec load() -> list() | {error, any()}.
load() ->
case env(loaded_file) of
@ -64,7 +63,7 @@ with_loaded_file(File, SuccFun) ->
load_plugins(Names, Persistent) ->
Plugins = list(), NotFound = Names -- names(Plugins),
case NotFound of
[] -> ok;
[] -> ok;
NotFound -> lager:error("Cannot find plugins: ~p", [NotFound])
end,
NeedToLoad = Names -- NotFound -- names(started_app),
@ -78,7 +77,7 @@ load_plugins(Names, Persistent) ->
unload() ->
case env(loaded_file) of
{ok, File} ->
with_loaded_file(File, fun(Names) -> stop_plugins(Names) end);
with_loaded_file(File, fun stop_plugins/1);
undefined ->
ignore
end.
@ -128,7 +127,6 @@ plugin(PluginsDir, AppFile0) ->
%% @doc Load One Plugin
%% @end
%%------------------------------------------------------------------------------
-spec load(atom()) -> ok | {error, any()}.
load(PluginName) when is_atom(PluginName) ->
case lists:member(PluginName, names(started_app)) of

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@ -42,9 +42,12 @@
%%%=============================================================================
%%% API
%%%=============================================================================
-spec start_link(I :: pos_integer()) -> {ok, pid()} | ignore | {error, any()}.
start_link(I) ->
gen_server:start_link(?MODULE, [I], []).
-spec start_link(Id :: pos_integer()) -> {ok, pid()} | ignore | {error, any()}.
start_link(Id) ->
gen_server:start_link({local, name(Id)}, ?MODULE, [Id], []).
name(Id) ->
list_to_atom(lists:concat([?MODULE, "_", integer_to_list(Id)])).
%%------------------------------------------------------------------------------
%% @doc Submit work to pooler
@ -64,9 +67,9 @@ async_submit(Fun) ->
%%% gen_server callbacks
%%%=============================================================================
init([I]) ->
gproc_pool:connect_worker(pooler, {pooler, I}),
{ok, #state{id = I}}.
init([Id]) ->
gproc_pool:connect_worker(pooler, {pooler, Id}),
{ok, #state{id = Id}}.
handle_call({submit, Fun}, _From, State) ->
{reply, run(Fun), State};

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@ -38,7 +38,7 @@
-export([received/2, send/2, redeliver/2, shutdown/2]).
-export([handle/2]).
-export([process/2]).
%% Protocol State
-record(proto_state, {peername,
@ -65,8 +65,8 @@
%%------------------------------------------------------------------------------
init(Peername, SendFun, Opts) ->
MaxLen = proplists:get_value(max_clientid_len, Opts, ?MAX_CLIENTID_LEN),
WsInitialHeaders = proplists:get_value(ws_initial_headers, Opts),
MaxLen = emqttd_opts:g(max_clientid_len, Opts, ?MAX_CLIENTID_LEN),
WsInitialHeaders = emqttd_opts:g(ws_initial_headers, Opts),
#proto_state{peername = Peername,
sendfun = SendFun,
max_clientid_len = MaxLen,
@ -130,7 +130,7 @@ session(#proto_state{session = Session}) ->
%%A Client can only send the CONNECT Packet once over a Network Connection.
-spec received(mqtt_packet(), proto_state()) -> {ok, proto_state()} | {error, any()}.
received(Packet = ?PACKET(?CONNECT), State = #proto_state{connected = false}) ->
handle(Packet, State#proto_state{connected = true});
process(Packet, State#proto_state{connected = true});
received(?PACKET(?CONNECT), State = #proto_state{connected = true}) ->
{error, protocol_bad_connect, State};
@ -143,19 +143,19 @@ received(Packet = ?PACKET(_Type), State) ->
trace(recv, Packet, State),
case validate_packet(Packet) of
ok ->
handle(Packet, State);
process(Packet, State);
{error, Reason} ->
{error, Reason, State}
end.
handle(Packet = ?CONNECT_PACKET(Var), State0 = #proto_state{peername = Peername}) ->
process(Packet = ?CONNECT_PACKET(Var), State0 = #proto_state{peername = Peername}) ->
#mqtt_packet_connect{proto_ver = ProtoVer,
proto_name = ProtoName,
username = Username,
password = Password,
clean_sess = CleanSess,
keep_alive = KeepAlive,
keep_alive = KeepAlive,
client_id = ClientId} = Var,
State1 = State0#proto_state{proto_ver = ProtoVer,
@ -190,7 +190,7 @@ handle(Packet = ?CONNECT_PACKET(Var), State0 = #proto_state{peername = Peername}
exit({shutdown, Error})
end;
{error, Reason}->
lager:error("~s@~s: username '~s', login failed - ~s",
lager:error("~s@~s: username '~s' login failed for ~s",
[ClientId, emqttd_net:format(Peername), Username, Reason]),
{?CONNACK_CREDENTIALS, State1}
@ -203,8 +203,8 @@ handle(Packet = ?CONNECT_PACKET(Var), State0 = #proto_state{peername = Peername}
%% Send connack
send(?CONNACK_PACKET(ReturnCode1), State3);
handle(Packet = ?PUBLISH_PACKET(_Qos, Topic, _PacketId, _Payload),
State = #proto_state{client_id = ClientId}) ->
process(Packet = ?PUBLISH_PACKET(_Qos, Topic, _PacketId, _Payload),
State = #proto_state{client_id = ClientId}) ->
case check_acl(publish, Topic, State) of
allow ->
@ -214,70 +214,76 @@ handle(Packet = ?PUBLISH_PACKET(_Qos, Topic, _PacketId, _Payload),
end,
{ok, State};
handle(?PUBACK_PACKET(?PUBACK, PacketId), State = #proto_state{session = Session}) ->
emqttd_session:puback(Session, PacketId),
{ok, State};
process(?PUBACK_PACKET(?PUBACK, PacketId), State = #proto_state{session = Session}) ->
emqttd_session:puback(Session, PacketId), {ok, State};
handle(?PUBACK_PACKET(?PUBREC, PacketId), State = #proto_state{session = Session}) ->
process(?PUBACK_PACKET(?PUBREC, PacketId), State = #proto_state{session = Session}) ->
emqttd_session:pubrec(Session, PacketId),
send(?PUBREL_PACKET(PacketId), State);
handle(?PUBACK_PACKET(?PUBREL, PacketId), State = #proto_state{session = Session}) ->
process(?PUBACK_PACKET(?PUBREL, PacketId), State = #proto_state{session = Session}) ->
emqttd_session:pubrel(Session, PacketId),
send(?PUBACK_PACKET(?PUBCOMP, PacketId), State);
handle(?PUBACK_PACKET(?PUBCOMP, PacketId), State = #proto_state{session = Session}) ->
emqttd_session:pubcomp(Session, PacketId),
{ok, State};
process(?PUBACK_PACKET(?PUBCOMP, PacketId), State = #proto_state{session = Session})->
emqttd_session:pubcomp(Session, PacketId), {ok, State};
%% protect from empty topic list
handle(?SUBSCRIBE_PACKET(PacketId, []), State) ->
process(?SUBSCRIBE_PACKET(PacketId, []), State) ->
send(?SUBACK_PACKET(PacketId, []), State);
handle(?SUBSCRIBE_PACKET(PacketId, TopicTable), State = #proto_state{client_id = ClientId, session = Session}) ->
process(?SUBSCRIBE_PACKET(PacketId, TopicTable),
State = #proto_state{client_id = ClientId, session = Session}) ->
AllowDenies = [check_acl(subscribe, Topic, State) || {Topic, _Qos} <- TopicTable],
case lists:member(deny, AllowDenies) of
true ->
%%TODO: return 128 QoS when deny... no need to SUBACK?
lager:error("SUBSCRIBE from '~s' Denied: ~p", [ClientId, TopicTable]);
lager:error("SUBSCRIBE from '~s' Denied: ~p", [ClientId, TopicTable]),
send(?SUBACK_PACKET(PacketId, [16#80 || _ <- TopicTable]), State);
false ->
Callback = fun(GrantedQos) -> send(?SUBACK_PACKET(PacketId, GrantedQos), State) end,
emqttd_session:subscribe(Session, TopicTable, Callback)
end,
{ok, State};
AckFun = fun(GrantedQos) ->
send(?SUBACK_PACKET(PacketId, GrantedQos), State)
end,
emqttd_session:subscribe(Session, TopicTable, AckFun), {ok, State}
end;
%% protect from empty topic list
handle(?UNSUBSCRIBE_PACKET(PacketId, []), State) ->
process(?UNSUBSCRIBE_PACKET(PacketId, []), State) ->
send(?UNSUBACK_PACKET(PacketId), State);
handle(?UNSUBSCRIBE_PACKET(PacketId, Topics), State = #proto_state{session = Session}) ->
process(?UNSUBSCRIBE_PACKET(PacketId, Topics), State = #proto_state{session = Session}) ->
emqttd_session:unsubscribe(Session, Topics),
send(?UNSUBACK_PACKET(PacketId), State);
handle(?PACKET(?PINGREQ), State) ->
process(?PACKET(?PINGREQ), State) ->
send(?PACKET(?PINGRESP), State);
handle(?PACKET(?DISCONNECT), State) ->
process(?PACKET(?DISCONNECT), State) ->
% clean willmsg
{stop, normal, State#proto_state{will_msg = undefined}}.
publish(Packet = ?PUBLISH(?QOS_0, _PacketId), #proto_state{client_id = ClientId, session = Session}) ->
emqttd_session:publish(Session, emqttd_message:from_packet(ClientId, Packet));
publish(Packet = ?PUBLISH(?QOS_0, _PacketId),
#proto_state{client_id = ClientId, session = Session}) ->
Msg = emqttd_message:from_packet(ClientId, Packet),
emqttd_session:publish(Session, Msg);
publish(Packet = ?PUBLISH(?QOS_1, PacketId), State = #proto_state{client_id = ClientId, session = Session}) ->
case emqttd_session:publish(Session, emqttd_message:from_packet(ClientId, Packet)) of
publish(Packet = ?PUBLISH(?QOS_1, PacketId),
State = #proto_state{client_id = ClientId, session = Session}) ->
Msg = emqttd_message:from_packet(ClientId, Packet),
case emqttd_session:publish(Session, Msg) of
ok ->
send(?PUBACK_PACKET(?PUBACK, PacketId), State);
{error, Error} ->
lager:error("Client ~s: publish qos1 error - ~p", [ClientId, Error])
lager:error("Client(~s): publish qos1 error - ~p", [ClientId, Error])
end;
publish(Packet = ?PUBLISH(?QOS_2, PacketId), State = #proto_state{client_id = ClientId, session = Session}) ->
case emqttd_session:publish(Session, emqttd_message:from_packet(ClientId, Packet)) of
publish(Packet = ?PUBLISH(?QOS_2, PacketId),
State = #proto_state{client_id = ClientId, session = Session}) ->
Msg = emqttd_message:from_packet(ClientId, Packet),
case emqttd_session:publish(Session, Msg) of
ok ->
send(?PUBACK_PACKET(?PUBREC, PacketId), State);
{error, Error} ->
lager:error("Client ~s: publish qos2 error - ~p", [ClientId, Error])
lager:error("Client(~s): publish qos2 error - ~p", [ClientId, Error])
end.
-spec send(mqtt_message() | mqtt_packet(), proto_state()) -> {ok, proto_state()}.
@ -285,9 +291,9 @@ send(Msg, State) when is_record(Msg, mqtt_message) ->
send(emqttd_message:to_packet(Msg), State);
send(Packet, State = #proto_state{sendfun = SendFun, peername = Peername})
when is_record(Packet, mqtt_packet) ->
when is_record(Packet, mqtt_packet) ->
trace(send, Packet, State),
sent_stats(Packet),
emqttd_metrics:sent(Packet),
Data = emqttd_serialiser:serialise(Packet),
lager:debug("SENT to ~s: ~p", [emqttd_net:format(Peername), Data]),
emqttd_metrics:inc('bytes/sent', size(Data)),
@ -370,28 +376,31 @@ validate_clientid(#mqtt_packet_connect{client_id = ClientId}, #proto_state{max_c
true;
%% MQTT3.1.1 allow null clientId.
validate_clientid(#mqtt_packet_connect{proto_ver =?MQTT_PROTO_V311, client_id = ClientId}, _ProtoState)
validate_clientid(#mqtt_packet_connect{proto_ver =?MQTT_PROTO_V311,
client_id = ClientId}, _ProtoState)
when size(ClientId) =:= 0 ->
true;
validate_clientid(#mqtt_packet_connect {proto_ver = Ver, clean_sess = CleanSess, client_id = ClientId}, _ProtoState) ->
validate_clientid(#mqtt_packet_connect{proto_ver = Ver,
clean_sess = CleanSess,
client_id = ClientId}, _ProtoState) ->
lager:warning("Invalid ClientId: ~s, ProtoVer: ~p, CleanSess: ~s", [ClientId, Ver, CleanSess]),
false.
validate_packet(#mqtt_packet{header = #mqtt_packet_header{type = ?PUBLISH},
validate_packet(#mqtt_packet{header = #mqtt_packet_header{type = ?PUBLISH},
variable = #mqtt_packet_publish{topic_name = Topic}}) ->
case emqttd_topic:validate({name, Topic}) of
true -> ok;
false -> lager:warning("Error publish topic: ~p", [Topic]), {error, badtopic}
true -> ok;
false -> lager:warning("Error publish topic: ~p", [Topic]), {error, badtopic}
end;
validate_packet(#mqtt_packet{header = #mqtt_packet_header{type = ?SUBSCRIBE},
validate_packet(#mqtt_packet{header = #mqtt_packet_header{type = ?SUBSCRIBE},
variable = #mqtt_packet_subscribe{topic_table = Topics}}) ->
validate_topics(filter, Topics);
validate_packet(#mqtt_packet{ header = #mqtt_packet_header{type = ?UNSUBSCRIBE},
variable = #mqtt_packet_subscribe{topic_table = Topics}}) ->
validate_packet(#mqtt_packet{header = #mqtt_packet_header{type = ?UNSUBSCRIBE},
variable = #mqtt_packet_subscribe{topic_table = Topics}}) ->
validate_topics(filter, Topics);
@ -406,13 +415,16 @@ validate_topics(Type, Topics) when Type =:= name orelse Type =:= filter ->
ErrTopics = [Topic || {Topic, Qos} <- Topics,
not (emqttd_topic:validate({Type, Topic}) and validate_qos(Qos))],
case ErrTopics of
[] -> ok;
_ -> lager:error("Error Topics: ~p", [ErrTopics]), {error, badtopic}
[] -> ok;
_ -> lager:error("Error Topics: ~p", [ErrTopics]), {error, badtopic}
end.
validate_qos(undefined) -> true;
validate_qos(Qos) when Qos =< ?QOS_2 -> true;
validate_qos(_) -> false.
validate_qos(undefined) ->
true;
validate_qos(Qos) when ?IS_QOS(Qos) ->
true;
validate_qos(_) ->
false.
%% publish ACL is cached in process dictionary.
check_acl(publish, Topic, State) ->
@ -428,20 +440,3 @@ check_acl(publish, Topic, State) ->
check_acl(subscribe, Topic, State) ->
emqttd_access_control:check_acl(client(State), subscribe, Topic).
sent_stats(?PACKET(Type)) ->
emqttd_metrics:inc('packets/sent'),
inc(Type).
inc(?CONNACK) ->
emqttd_metrics:inc('packets/connack');
inc(?PUBLISH) ->
emqttd_metrics:inc('messages/sent'),
emqttd_metrics:inc('packets/publish/sent');
inc(?SUBACK) ->
emqttd_metrics:inc('packets/suback');
inc(?UNSUBACK) ->
emqttd_metrics:inc('packets/unsuback');
inc(?PINGRESP) ->
emqttd_metrics:inc('packets/pingresp');
inc(_) ->
ingore.

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@ -54,7 +54,7 @@ start_link() ->
init([]) ->
mnesia:subscribe(system),
{ok, TRef} = timer:send_interval(1000, tick),
{ok, TRef} = timer:send_interval(timer:seconds(1), tick),
StatsFun = emqttd_stats:statsfun('sessions/count', 'sessions/max'),
{ok, #state{stats_fun = StatsFun, tick_tref = TRef}}.

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@ -36,7 +36,7 @@
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
terminate/2, code_change/3]).
-record(state, {tref, events = []}).
-record(state, {tick_tref, events = []}).
%%------------------------------------------------------------------------------
%% @doc Start system monitor
@ -53,8 +53,8 @@ start_link(Opts) ->
init([Opts]) ->
erlang:system_monitor(self(), parse_opt(Opts)),
{ok, TRef} = timer:send_interval(1000, reset),
{ok, #state{tref = TRef}}.
{ok, TRef} = timer:send_interval(timer:seconds(1), reset),
{ok, #state{tick_tref = TRef}}.
parse_opt(Opts) ->
parse_opt(Opts, []).
@ -134,8 +134,8 @@ handle_info(Info, State) ->
lager:error("Unexpected info: ~p", [Info]),
{noreply, State}.
terminate(_Reason, #state{tref = TRef}) ->
timer:cancel(TRef), ok.
terminate(_Reason, #state{tick_tref = TRef}) ->
timer:cancel(TRef).
code_change(_OldVsn, State, _Extra) ->
{ok, State}.

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@ -20,7 +20,7 @@
%%% SOFTWARE.
%%%-----------------------------------------------------------------------------
%%% @doc
%%% MQTT Topic
%%% MQTT Topic Functions
%%%
%%% @end
%%%-----------------------------------------------------------------------------

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@ -101,18 +101,18 @@ ws_loop(Data, State = #wsocket_state{request = Req,
Peer = Req:get(peer),
lager:debug("RECV from ~s(WebSocket): ~p", [Peer, Data]),
case Parser(iolist_to_binary(Data)) of
{more, NewParser} ->
State#wsocket_state{parser = NewParser};
{ok, Packet, Rest} ->
gen_server:cast(ClientPid, {received, Packet}),
ws_loop(Rest, reset_parser(State), ReplyChannel);
{error, Error} ->
lager:error("MQTT(WebSocket) detected framing error ~p for connection ~s", [Error, Peer]),
exit({shutdown, Error})
{more, NewParser} ->
State#wsocket_state{parser = NewParser};
{ok, Packet, Rest} ->
gen_server:cast(ClientPid, {received, Packet}),
ws_loop(Rest, reset_parser(State), ReplyChannel);
{error, Error} ->
lager:error("MQTT(WebSocket) frame error ~p for connection ~s", [Error, Peer]),
exit({shutdown, Error})
end.
reset_parser(State = #wsocket_state{packet_opts = PktOpts}) ->
State#wsocket_state{parser = emqttd_parser:new (PktOpts)}.
State#wsocket_state{parser = emqttd_parser:new(PktOpts)}.
%%%=============================================================================
%%% gen_fsm callbacks
@ -124,7 +124,8 @@ init([WsPid, Req, ReplyChannel, PktOpts]) ->
SendFun = fun(Payload) -> ReplyChannel({binary, Payload}) end,
Headers = mochiweb_request:get(headers, Req),
HeadersList = mochiweb_headers:to_list(Headers),
ProtoState = emqttd_protocol:init(Peername, SendFun, [{ws_initial_headers, HeadersList}|PktOpts]),
ProtoState = emqttd_protocol:init(Peername, SendFun,
[{ws_initial_headers, HeadersList}|PktOpts]),
{ok, #client_state{ws_pid = WsPid, request = Req, proto_state = ProtoState}}.
handle_call(session, _From, State = #client_state{proto_state = ProtoState}) ->
@ -149,15 +150,15 @@ handle_cast({unsubscribe, Topics}, State) ->
handle_cast({received, Packet}, State = #client_state{proto_state = ProtoState}) ->
case emqttd_protocol:received(Packet, ProtoState) of
{ok, ProtoState1} ->
noreply(State#client_state{proto_state = ProtoState1});
{error, Error} ->
lager:error("MQTT protocol error ~p", [Error]),
stop({shutdown, Error}, State);
{error, Error, ProtoState1} ->
stop({shutdown, Error}, State#client_state{proto_state = ProtoState1});
{stop, Reason, ProtoState1} ->
stop(Reason, State#client_state{proto_state = ProtoState1})
{ok, ProtoState1} ->
noreply(State#client_state{proto_state = ProtoState1});
{error, Error} ->
lager:error("MQTT protocol error ~p", [Error]),
stop({shutdown, Error}, State);
{error, Error, ProtoState1} ->
stop({shutdown, Error}, State#client_state{proto_state = ProtoState1});
{stop, Reason, ProtoState1} ->
stop(Reason, State#client_state{proto_state = ProtoState1})
end;
handle_cast(_Msg, State) ->
@ -189,18 +190,18 @@ handle_info({keepalive, start, TimeoutSec}, State = #client_state{request = Req}
handle_info({keepalive, check}, State = #client_state{request = Req, keepalive = KeepAlive}) ->
case emqttd_keepalive:check(KeepAlive) of
{ok, KeepAlive1} ->
lager:debug("Client(WebSocket) ~s: Keepalive Resumed", [Req:get(peer)]),
noreply(State#client_state{keepalive = KeepAlive1});
{error, timeout} ->
lager:debug("Client(WebSocket) ~s: Keepalive Timeout!", [Req:get(peer)]),
stop({shutdown, keepalive_timeout}, State#client_state{keepalive = undefined});
{error, Error} ->
lager:debug("Client(WebSocket) ~s: Keepalive Error: ~p", [Req:get(peer), Error]),
stop({shutdown, keepalive_error}, State#client_state{keepalive = undefined})
{ok, KeepAlive1} ->
noreply(State#client_state{keepalive = KeepAlive1});
{error, timeout} ->
lager:debug("Client(WebSocket) ~s: Keepalive Timeout!", [Req:get(peer)]),
stop({shutdown, keepalive_timeout}, State#client_state{keepalive = undefined});
{error, Error} ->
lager:debug("Client(WebSocket) ~s: Keepalive Error: ~p", [Req:get(peer), Error]),
stop({shutdown, keepalive_error}, State#client_state{keepalive = undefined})
end;
handle_info({'EXIT', WsPid, Reason}, State = #client_state{ws_pid = WsPid, proto_state = ProtoState}) ->
handle_info({'EXIT', WsPid, Reason}, State = #client_state{ws_pid = WsPid,
proto_state = ProtoState}) ->
ClientId = emqttd_protocol:clientid(ProtoState),
lager:warning("Websocket client ~s exit: reason=~p", [ClientId, Reason]),
stop({shutdown, websocket_closed}, State);