diff options
Diffstat (limited to 'src/ejabberd_frontend_socket.erl')
| -rw-r--r-- | src/ejabberd_frontend_socket.erl | 279 |
1 files changed, 99 insertions, 180 deletions
diff --git a/src/ejabberd_frontend_socket.erl b/src/ejabberd_frontend_socket.erl index 9b4e44b07..180f2676c 100644 --- a/src/ejabberd_frontend_socket.erl +++ b/src/ejabberd_frontend_socket.erl @@ -25,75 +25,59 @@ %%%---------------------------------------------------------------------- -module(ejabberd_frontend_socket). + -author('alexey@process-one.net'). -behaviour(gen_server). %% API --export([start/4, - start_link/5, - %connect/3, - starttls/2, - starttls/3, - compress/1, - compress/2, - reset_stream/1, - send/2, - change_shaper/2, - monitor/1, - get_sockmod/1, - get_peer_certificate/1, - get_verify_result/1, - close/1, - setopts/2, - change_controller/2, - sockname/1, peername/1]). +-export([start/4, start_link/5, starttls/2, starttls/3, + compress/1, compress/2, reset_stream/1, send/2, + change_shaper/2, monitor/1, get_sockmod/1, + get_peer_certificate/1, get_verify_result/1, close/1, + setopts/2, change_controller/2, sockname/1, + peername/1]). + + %connect/3, %% gen_server callbacks --export([init/1, handle_call/3, handle_cast/2, handle_info/2, - terminate/2, code_change/3]). +-export([init/1, handle_call/3, handle_cast/2, + handle_info/2, terminate/2, code_change/3]). --record(state, {sockmod, socket, receiver}). +-record(socket_state, {sockmod, socket, receiver}). -define(HIBERNATE_TIMEOUT, 90000). -%%==================================================================== -%% API -%%==================================================================== -%%-------------------------------------------------------------------- -%% Function: start_link() -> {ok,Pid} | ignore | {error,Error} -%% Description: Starts the server -%%-------------------------------------------------------------------- start_link(Module, SockMod, Socket, Opts, Receiver) -> gen_server:start_link(?MODULE, [Module, SockMod, Socket, Opts, Receiver], []). start(Module, SockMod, Socket, Opts) -> case Module:socket_type() of - xml_stream -> - MaxStanzaSize = - case lists:keysearch(max_stanza_size, 1, Opts) of - {value, {_, Size}} -> Size; - _ -> infinity - end, - Receiver = ejabberd_receiver:start(Socket, SockMod, none, MaxStanzaSize), - case SockMod:controlling_process(Socket, Receiver) of - ok -> - ok; - {error, _Reason} -> - SockMod:close(Socket) - end, - supervisor:start_child(ejabberd_frontend_socket_sup, - [Module, SockMod, Socket, Opts, Receiver]); - raw -> - %{ok, Pid} = Module:start({SockMod, Socket}, Opts), - %case SockMod:controlling_process(Socket, Pid) of - % ok -> - % ok; - % {error, _Reason} -> - % SockMod:close(Socket) - %end - todo + xml_stream -> + MaxStanzaSize = case lists:keysearch(max_stanza_size, 1, + Opts) + of + {value, {_, Size}} -> Size; + _ -> infinity + end, + Receiver = ejabberd_receiver:start(Socket, SockMod, + none, MaxStanzaSize), + case SockMod:controlling_process(Socket, Receiver) of + ok -> ok; + {error, _Reason} -> SockMod:close(Socket) + end, + supervisor:start_child(ejabberd_frontend_socket_sup, + [Module, SockMod, Socket, Opts, Receiver]); + raw -> + %{ok, Pid} = Module:start({SockMod, Socket}, Opts), + %case SockMod:controlling_process(Socket, Pid) of + % ok -> + % ok; + % {error, _Reason} -> + % SockMod:close(Socket) + %end + todo end. starttls(FsmRef, TLSOpts) -> @@ -103,12 +87,10 @@ starttls(FsmRef, TLSOpts, Data) -> gen_server:call(FsmRef, {starttls, TLSOpts, Data}), FsmRef. -compress(FsmRef) -> - compress(FsmRef, undefined). +compress(FsmRef) -> compress(FsmRef, undefined). compress(FsmRef, Data) -> - gen_server:call(FsmRef, {compress, Data}), - FsmRef. + gen_server:call(FsmRef, {compress, Data}), FsmRef. reset_stream(FsmRef) -> gen_server:call(FsmRef, reset_stream). @@ -119,8 +101,7 @@ send(FsmRef, Data) -> change_shaper(FsmRef, Shaper) -> gen_server:call(FsmRef, {change_shaper, Shaper}). -monitor(FsmRef) -> - erlang:monitor(process, FsmRef). +monitor(FsmRef) -> erlang:monitor(process, FsmRef). get_sockmod(FsmRef) -> gen_server:call(FsmRef, get_sockmod). @@ -131,11 +112,9 @@ get_peer_certificate(FsmRef) -> get_verify_result(FsmRef) -> gen_server:call(FsmRef, get_verify_result). -close(FsmRef) -> - gen_server:call(FsmRef, close). +close(FsmRef) -> gen_server:call(FsmRef, close). -sockname(FsmRef) -> - gen_server:call(FsmRef, sockname). +sockname(FsmRef) -> gen_server:call(FsmRef, sockname). setopts(FsmRef, Opts) -> gen_server:call(FsmRef, {setopts, Opts}). @@ -143,180 +122,120 @@ setopts(FsmRef, Opts) -> change_controller(FsmRef, C2SPid) -> gen_server:call(FsmRef, {change_controller, C2SPid}). -peername(FsmRef) -> - gen_server:call(FsmRef, peername). +peername(FsmRef) -> gen_server:call(FsmRef, peername). %%==================================================================== %% gen_server callbacks %%==================================================================== -%%-------------------------------------------------------------------- -%% Function: init(Args) -> {ok, State} | -%% {ok, State, Timeout} | -%% ignore | -%% {stop, Reason} -%% Description: Initiates the server -%%-------------------------------------------------------------------- init([Module, SockMod, Socket, Opts, Receiver]) -> - %% TODO: monitor the receiver Node = ejabberd_node_groups:get_closest_node(backend), IP = case peername(SockMod, Socket) of - {ok, IP1} -> - IP1; - _ -> - undefined + {ok, IP1} -> IP1; + _ -> undefined end, - {SockMod2, Socket2} = check_starttls(SockMod, Socket, Receiver, Opts), - {ok, Pid} = - rpc:call(Node, Module, start, - [{?MODULE, self()}, [{frontend_ip, IP} | Opts]]), + {SockMod2, Socket2} = check_starttls(SockMod, Socket, + Receiver, Opts), + {ok, Pid} = rpc:call(Node, Module, start, + [{?MODULE, self()}, [{frontend_ip, IP} | Opts]]), ejabberd_receiver:become_controller(Receiver, Pid), - {ok, #state{sockmod = SockMod2, - socket = Socket2, - receiver = Receiver}}. - -%%-------------------------------------------------------------------- -%% Function: %% handle_call(Request, From, State) -> {reply, Reply, State} | -%% {reply, Reply, State, Timeout} | -%% {noreply, State} | -%% {noreply, State, Timeout} | -%% {stop, Reason, Reply, State} | -%% {stop, Reason, State} -%% Description: Handling call messages -%%-------------------------------------------------------------------- + {ok, + #socket_state{sockmod = SockMod2, socket = Socket2, + receiver = Receiver}}. + handle_call({starttls, TLSOpts, Data}, _From, State) -> - {ok, TLSSocket} = ejabberd_receiver:starttls( - State#state.receiver, TLSOpts, Data), + {ok, TLSSocket} = + ejabberd_receiver:starttls(State#socket_state.receiver, + TLSOpts, Data), Reply = ok, - {reply, Reply, State#state{socket = TLSSocket, sockmod = tls}, + {reply, Reply, + State#socket_state{socket = TLSSocket, sockmod = tls}, ?HIBERNATE_TIMEOUT}; - handle_call({compress, Data}, _From, State) -> - {ok, ZlibSocket} = ejabberd_receiver:compress( - State#state.receiver, Data), + {ok, ZlibSocket} = + ejabberd_receiver:compress(State#socket_state.receiver, Data), Reply = ok, - {reply, Reply, State#state{socket = ZlibSocket, sockmod = ejabberd_zlib}, + {reply, Reply, + State#socket_state{socket = ZlibSocket, + sockmod = ejabberd_zlib}, ?HIBERNATE_TIMEOUT}; - handle_call(reset_stream, _From, State) -> - ejabberd_receiver:reset_stream(State#state.receiver), + ejabberd_receiver:reset_stream(State#socket_state.receiver), Reply = ok, {reply, Reply, State, ?HIBERNATE_TIMEOUT}; - handle_call({send, Data}, _From, State) -> - catch (State#state.sockmod):send( - State#state.socket, Data), + catch (State#socket_state.sockmod):send(State#socket_state.socket, + Data), Reply = ok, {reply, Reply, State, ?HIBERNATE_TIMEOUT}; - handle_call({change_shaper, Shaper}, _From, State) -> - ejabberd_receiver:change_shaper(State#state.receiver, Shaper), + ejabberd_receiver:change_shaper(State#socket_state.receiver, + Shaper), Reply = ok, {reply, Reply, State, ?HIBERNATE_TIMEOUT}; - handle_call(get_sockmod, _From, State) -> - Reply = State#state.sockmod, + Reply = State#socket_state.sockmod, {reply, Reply, State, ?HIBERNATE_TIMEOUT}; - handle_call(get_peer_certificate, _From, State) -> - Reply = tls:get_peer_certificate(State#state.socket), + Reply = tls:get_peer_certificate(State#socket_state.socket), {reply, Reply, State, ?HIBERNATE_TIMEOUT}; - handle_call(get_verify_result, _From, State) -> - Reply = tls:get_verify_result(State#state.socket), + Reply = tls:get_verify_result(State#socket_state.socket), {reply, Reply, State, ?HIBERNATE_TIMEOUT}; - handle_call(close, _From, State) -> - ejabberd_receiver:close(State#state.receiver), + ejabberd_receiver:close(State#socket_state.receiver), Reply = ok, {stop, normal, Reply, State}; - handle_call(sockname, _From, State) -> - #state{sockmod = SockMod, socket = Socket} = State, + #socket_state{sockmod = SockMod, socket = Socket} = State, Reply = peername(SockMod, Socket), {reply, Reply, State, ?HIBERNATE_TIMEOUT}; - handle_call(peername, _From, State) -> - #state{sockmod = SockMod, socket = Socket} = State, - Reply = - case SockMod of - gen_tcp -> - inet:peername(Socket); - _ -> - SockMod:peername(Socket) - end, + #socket_state{sockmod = SockMod, socket = Socket} = State, + Reply = case SockMod of + gen_tcp -> inet:peername(Socket); + _ -> SockMod:peername(Socket) + end, {reply, Reply, State, ?HIBERNATE_TIMEOUT}; - handle_call({setopts, Opts}, _From, State) -> - ejabberd_receiver:setopts(State#state.receiver, Opts), + ejabberd_receiver:setopts(State#socket_state.receiver, Opts), {reply, ok, State, ?HIBERNATE_TIMEOUT}; - handle_call({change_controller, Pid}, _From, State) -> - ejabberd_receiver:change_controller(State#state.receiver, Pid), + ejabberd_receiver:change_controller(State#socket_state.receiver, + Pid), {reply, ok, State, ?HIBERNATE_TIMEOUT}; - handle_call(_Request, _From, State) -> - Reply = ok, - {reply, Reply, State, ?HIBERNATE_TIMEOUT}. - -%%-------------------------------------------------------------------- -%% Function: handle_cast(Msg, State) -> {noreply, State} | -%% {noreply, State, Timeout} | -%% {stop, Reason, State} -%% Description: Handling cast messages -%%-------------------------------------------------------------------- + Reply = ok, {reply, Reply, State, ?HIBERNATE_TIMEOUT}. + handle_cast(_Msg, State) -> {noreply, State, ?HIBERNATE_TIMEOUT}. -%%-------------------------------------------------------------------- -%% Function: handle_info(Info, State) -> {noreply, State} | -%% {noreply, State, Timeout} | -%% {stop, Reason, State} -%% Description: Handling all non call/cast messages -%%-------------------------------------------------------------------- handle_info(timeout, State) -> - proc_lib:hibernate(gen_server, enter_loop, [?MODULE, [], State]), + proc_lib:hibernate(gen_server, enter_loop, + [?MODULE, [], State]), {noreply, State, ?HIBERNATE_TIMEOUT}; handle_info(_Info, State) -> {noreply, State, ?HIBERNATE_TIMEOUT}. -%%-------------------------------------------------------------------- -%% Function: terminate(Reason, State) -> void() -%% Description: This function is called by a gen_server when it is about to -%% terminate. It should be the opposite of Module:init/1 and do any necessary -%% cleaning up. When it returns, the gen_server terminates with Reason. -%% The return value is ignored. -%%-------------------------------------------------------------------- -terminate(_Reason, _State) -> - ok. - -%%-------------------------------------------------------------------- -%% Func: code_change(OldVsn, State, Extra) -> {ok, NewState} -%% Description: Convert process state when code is changed -%%-------------------------------------------------------------------- -code_change(_OldVsn, State, _Extra) -> - {ok, State}. - -%%-------------------------------------------------------------------- -%%% Internal functions -%%-------------------------------------------------------------------- +terminate(_Reason, _State) -> ok. + +code_change(_OldVsn, State, _Extra) -> {ok, State}. + check_starttls(SockMod, Socket, Receiver, Opts) -> TLSEnabled = lists:member(tls, Opts), - TLSOpts = lists:filter(fun({certfile, _}) -> true; - (_) -> false - end, Opts), - if - TLSEnabled -> - {ok, TLSSocket} = ejabberd_receiver:starttls(Receiver, TLSOpts), - {tls, TLSSocket}; - true -> - {SockMod, Socket} + TLSOpts = lists:filter(fun ({certfile, _}) -> true; + (_) -> false + end, + Opts), + if TLSEnabled -> + {ok, TLSSocket} = ejabberd_receiver:starttls(Receiver, + TLSOpts), + {tls, TLSSocket}; + true -> {SockMod, Socket} end. peername(SockMod, Socket) -> case SockMod of - gen_tcp -> - inet:peername(Socket); - _ -> - SockMod:peername(Socket) + gen_tcp -> inet:peername(Socket); + _ -> SockMod:peername(Socket) end. |