chore(gw): delete needless files

This commit is contained in:
JianBo He 2021-07-22 21:48:29 +08:00
parent fd828ad216
commit dbd78b83b1
3 changed files with 0 additions and 307 deletions

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%%--------------------------------------------------------------------
%% Copyright (c) 2020-2021 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_exproto).
-include("src/exproto/include/emqx_exproto.hrl").
-export([ start_listeners/0
, stop_listeners/0
, start_listener/1
, start_listener/4
, stop_listener/4
, stop_listener/1
]).
-export([ start_servers/0
, stop_servers/0
, start_server/1
, stop_server/1
]).
%%--------------------------------------------------------------------
%% APIs
%%--------------------------------------------------------------------
-spec(start_listeners() -> ok).
start_listeners() ->
Listeners = application:get_env(?APP, listeners, []),
NListeners = [start_connection_handler_instance(Listener)
|| Listener <- Listeners],
lists:foreach(fun start_listener/1, NListeners).
-spec(stop_listeners() -> ok).
stop_listeners() ->
Listeners = application:get_env(?APP, listeners, []),
lists:foreach(fun stop_connection_handler_instance/1, Listeners),
lists:foreach(fun stop_listener/1, Listeners).
-spec(start_servers() -> ok).
start_servers() ->
lists:foreach(fun start_server/1, application:get_env(?APP, servers, [])).
-spec(stop_servers() -> ok).
stop_servers() ->
lists:foreach(fun stop_server/1, application:get_env(?APP, servers, [])).
%%--------------------------------------------------------------------
%% Internal functions
%%--------------------------------------------------------------------
start_connection_handler_instance({_Proto, _LisType, _ListenOn, Opts}) ->
Name = name(_Proto, _LisType),
{value, {_, HandlerOpts}, LisOpts} = lists:keytake(handler, 1, Opts),
{SvrAddr, ChannelOptions} = handler_opts(HandlerOpts),
case emqx_exproto_sup:start_grpc_client_channel(Name, SvrAddr, ChannelOptions) of
{ok, _ClientChannelPid} ->
{_Proto, _LisType, _ListenOn, [{handler, Name} | LisOpts]};
{error, Reason} ->
io:format(standard_error, "Failed to start ~s's connection handler: ~0p~n",
[Name, Reason]),
error(Reason)
end.
stop_connection_handler_instance({_Proto, _LisType, _ListenOn, _Opts}) ->
Name = name(_Proto, _LisType),
_ = emqx_exproto_sup:stop_grpc_client_channel(Name),
ok.
start_server({Name, Port, SSLOptions}) ->
case emqx_exproto_sup:start_grpc_server(Name, Port, SSLOptions) of
{ok, _} ->
io:format("Start ~s gRPC server on ~w successfully.~n",
[Name, Port]);
{error, Reason} ->
io:format(standard_error, "Failed to start ~s gRPC server on ~w: ~0p~n",
[Name, Port, Reason]),
error({failed_start_server, Reason})
end.
stop_server({Name, Port, _SSLOptions}) ->
ok = emqx_exproto_sup:stop_grpc_server(Name),
io:format("Stop ~s gRPC server on ~w successfully.~n", [Name, Port]).
start_listener({Proto, LisType, ListenOn, Opts}) ->
Name = name(Proto, LisType),
case start_listener(LisType, Name, ListenOn, Opts) of
{ok, _} ->
io:format("Start ~s listener on ~s successfully.~n",
[Name, format(ListenOn)]);
{error, Reason} ->
io:format(standard_error, "Failed to start ~s listener on ~s: ~0p~n",
[Name, format(ListenOn), Reason]),
error(Reason)
end.
%% @private
start_listener(LisType, Name, ListenOn, LisOpts)
when LisType =:= tcp;
LisType =:= ssl ->
SockOpts = esockd:parse_opt(LisOpts),
esockd:open(Name, ListenOn, merge_tcp_default(SockOpts),
{emqx_exproto_conn, start_link, [LisOpts-- SockOpts]});
start_listener(udp, Name, ListenOn, LisOpts) ->
SockOpts = esockd:parse_opt(LisOpts),
esockd:open_udp(Name, ListenOn, merge_udp_default(SockOpts),
{emqx_exproto_conn, start_link, [LisOpts-- SockOpts]});
start_listener(dtls, Name, ListenOn, LisOpts) ->
SockOpts = esockd:parse_opt(LisOpts),
esockd:open_dtls(Name, ListenOn, merge_udp_default(SockOpts),
{emqx_exproto_conn, start_link, [LisOpts-- SockOpts]}).
stop_listener({Proto, LisType, ListenOn, Opts}) ->
Name = name(Proto, LisType),
StopRet = stop_listener(LisType, Name, ListenOn, Opts),
case StopRet of
ok ->
io:format("Stop ~s listener on ~s successfully.~n",
[Name, format(ListenOn)]);
{error, Reason} ->
io:format(standard_error, "Failed to stop ~s listener on ~s: ~0p~n",
[Name, format(ListenOn), Reason])
end,
StopRet.
%% @private
stop_listener(_LisType, Name, ListenOn, _Opts) ->
esockd:close(Name, ListenOn).
%% @private
name(Proto, LisType) ->
list_to_atom(lists:flatten(io_lib:format("~s:~s", [Proto, LisType]))).
%% @private
format(Port) when is_integer(Port) ->
io_lib:format("0.0.0.0:~w", [Port]);
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", [inet:ntoa(Addr), Port]).
%% @private
merge_tcp_default(Opts) ->
case lists:keytake(tcp_options, 1, Opts) of
{value, {tcp_options, TcpOpts}, Opts1} ->
[{tcp_options, emqx_misc:merge_opts(?TCP_SOCKOPTS, TcpOpts)} | Opts1];
false ->
[{tcp_options, ?TCP_SOCKOPTS} | Opts]
end.
merge_udp_default(Opts) ->
case lists:keytake(udp_options, 1, Opts) of
{value, {udp_options, TcpOpts}, Opts1} ->
[{udp_options, emqx_misc:merge_opts(?UDP_SOCKOPTS, TcpOpts)} | Opts1];
false ->
[{udp_options, ?UDP_SOCKOPTS} | Opts]
end.
%% @private
handler_opts(Opts) ->
Scheme = proplists:get_value(scheme, Opts),
Host = proplists:get_value(host, Opts),
Port = proplists:get_value(port, Opts),
SvrAddr = lists:flatten(io_lib:format("~s://~s:~w", [Scheme, Host, Port])),
ClientOpts = case Scheme of
https ->
SslOpts = lists:keydelete(ssl, 1, proplists:get_value(ssl_options, Opts, [])),
#{gun_opts =>
#{transport => ssl,
transport_opts => SslOpts}};
_ -> #{}
end,
{SvrAddr, ClientOpts}.

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%%--------------------------------------------------------------------
%% Copyright (c) 2020-2021 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_exproto_app).
-behaviour(application).
-emqx_plugin(extension).
-export([start/2, prep_stop/1, stop/1]).
start(_StartType, _StartArgs) ->
{ok, Sup} = emqx_exproto_sup:start_link(),
emqx_exproto:start_servers(),
emqx_exproto:start_listeners(),
{ok, Sup}.
prep_stop(State) ->
emqx_exproto:stop_servers(),
emqx_exproto:stop_listeners(),
State.
stop(_State) ->
ok.

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%%--------------------------------------------------------------------
%% Copyright (c) 2020-2021 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_exproto_sup).
-behaviour(supervisor).
-export([start_link/0]).
-export([ start_grpc_server/3
, stop_grpc_server/1
, start_grpc_client_channel/3
, stop_grpc_client_channel/1
]).
-export([init/1]).
%%--------------------------------------------------------------------
%% APIs
%%--------------------------------------------------------------------
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
-spec start_grpc_server(atom(), inet:port_number(), list())
-> {ok, pid()} | {error, term()}.
start_grpc_server(Name, Port, SSLOptions) ->
Services = #{protos => [emqx_exproto_pb],
services => #{'emqx.exproto.v1.ConnectionAdapter' => emqx_exproto_gsvr}
},
Options = case SSLOptions of
[] -> [];
_ ->
[{ssl_options, lists:keydelete(ssl, 1, SSLOptions)}]
end,
grpc:start_server(prefix(Name), Port, Services, Options).
-spec stop_grpc_server(atom()) -> ok.
stop_grpc_server(Name) ->
grpc:stop_server(prefix(Name)).
-spec start_grpc_client_channel(
atom(),
uri_string:uri_string(),
grpc_client:grpc_opts()) -> {ok, pid()} | {error, term()}.
start_grpc_client_channel(Name, SvrAddr, ClientOpts) ->
grpc_client_sup:create_channel_pool(Name, SvrAddr, ClientOpts).
-spec stop_grpc_client_channel(atom()) -> ok.
stop_grpc_client_channel(Name) ->
grpc_client_sup:stop_channel_pool(Name).
%% @private
prefix(Name) when is_atom(Name) ->
"exproto:" ++ atom_to_list(Name);
prefix(Name) when is_binary(Name) ->
"exproto:" ++ binary_to_list(Name);
prefix(Name) when is_list(Name) ->
"exproto:" ++ Name.
%%--------------------------------------------------------------------
%% Supervisor callbacks
%%--------------------------------------------------------------------
init([]) ->
%% gRPC Client Pool
PoolSize = emqx_vm:schedulers() * 2,
Pool = emqx_pool_sup:spec([exproto_gcli_pool, hash, PoolSize,
{emqx_exproto_gcli, start_link, []}]),
{ok, {{one_for_one, 10, 5}, [Pool]}}.