* src/ejabberd.cfg.example: Updated

* src/ejabberd_s2s_in.erl: Added support for shapers

* src/ejabberd_c2s.erl: Moved receiver functions to
ejabberd_receiver module
* src/ejabberd_s2s_in.erl: Likewise
* src/ejabberd_receiver.erl: Likewise

SVN Revision: 173

ChangeLog

@@ -1,5 +1,14 @@
 2003-11-10  Alexey Shchepin  <alexey@sevcom.net>
 
+	* src/ejabberd.cfg.example: Updated
+
+	* src/ejabberd_s2s_in.erl: Added support for shapers
+
+	* src/ejabberd_c2s.erl: Moved receiver functions to
+	ejabberd_receiver module
+	* src/ejabberd_s2s_in.erl: Likewise
+	* src/ejabberd_receiver.erl: Likewise
+
 	* src/mod_muc/mod_muc_room.erl: Bugfix
 
 	* src/ejabberd_sm.erl (route_message): Bugfix

src/ejabberd.cfg.example

@@ -48,10 +48,16 @@
 % Set shaper with name "normal" to limit traffic speed to 1000B/s
 {shaper, normal, {maxrate, 1000}}.
 
+% Set shaper with name "fast" to limit traffic speed to 50000B/s
+{shaper, fast, {maxrate, 50000}}.
+
 % For all users except admins used "normal" shaper
 {access, c2s_shaper, [{none, admin},
 		      {normal, all}]}.
 
+% For all S2S connections used "fast" shaper
+{access, s2s_shaper, [{fast, all}]}.
+
 % Admins of this server are also admins of MUC service:
 {access, muc_admin, [{allow, admin}]}.
 
@@ -64,7 +70,7 @@
 				    {shaper, c2s_shaper}]},
 	  {5223, ejabberd_c2s,     [{access, c2s},
 				    {ssl, [{certfile, "./ssl.pem"}]}]},
-          {5269, ejabberd_s2s_in,  []},
+          {5269, ejabberd_s2s_in,  [{shaper, s2s_shaper}]},
           {8888, ejabberd_service, [{hosts,
 				     ["conference.e.localhost",
 				      "muc.e.localhost"],

src/ejabberd_c2s.erl

@@ -15,7 +15,6 @@
 %% External exports
 -export([start/2,
 	 start_link/2,
-	 receiver/4,
 	 send_text/2,
 	 send_element/2]).
 
@@ -102,8 +101,7 @@ start_link(SockData, Opts) ->
 %%          {stop, StopReason}                   
 %%----------------------------------------------------------------------
 init([{SockMod, Socket}, Opts]) ->
-    ReceiverPid = proc_lib:spawn(
-		    ?MODULE, receiver, [Socket, SockMod, none, self()]),
+    ReceiverPid = ejabberd_receiver:start(Socket, SockMod, none),
     Access = case lists:keysearch(access, 1, Opts) of
 		 {value, {_, A}} -> A;
 		 _ -> all
@@ -303,7 +301,7 @@ wait_for_sasl_auth({xmlstreamelement, El}, StateData) ->
 				      Mech,
 				      ClientIn) of
 		{ok, Props} ->
-		    StateData#state.receiver ! reset_stream,
+		    ejabberd_receiver:reset_stream(StateData#state.receiver),
 		    send_element(StateData,
 				 {xmlelement, "success",
 				  [{"xmlns", ?NS_SASL}], []}),
@@ -366,7 +364,7 @@ wait_for_sasl_response({xmlstreamelement, El}, StateData) ->
 	    case cyrsasl:server_step(StateData#state.sasl_state,
 				     ClientIn) of
 		{ok, Props} ->
-		    StateData#state.receiver ! reset_stream,
+		    ejabberd_receiver:reset_stream(StateData#state.receiver),
 		    send_element(StateData,
 				 {xmlelement, "success",
 				  [{"xmlns", ?NS_SASL}], []}),
@@ -812,55 +810,9 @@ terminate(Reason, StateName, StateData) ->
 %%% Internal functions
 %%%----------------------------------------------------------------------
 
-receiver(Socket, SockMod, Shaper, C2SPid) ->
-    XMLStreamPid = xml_stream:start(C2SPid),
-    ShaperState = shaper:new(Shaper),
-    Timeout = case SockMod of
-		  ssl ->
-		      20;
-		  _ ->
-		      infinity
-	      end,
-    receiver(Socket, SockMod, ShaperState, C2SPid, XMLStreamPid, Timeout).
-
-receiver(Socket, SockMod, ShaperState, C2SPid, XMLStreamPid, Timeout) ->
-    case catch SockMod:recv(Socket, 0, Timeout) of
-        {ok, Text} ->
-	    ShaperSt1 = receive
-			    {change_shaper, Shaper} ->
-				shaper:new(Shaper)
-			after 0 ->
-				ShaperState
-			end,
-	    NewShaperState = shaper:update(ShaperSt1, size(Text)),
-	    XMLStreamPid1 = receive
-				reset_stream ->
-				    exit(XMLStreamPid, closed),
-				    xml_stream:start(C2SPid)
-			    after 0 ->
-				    XMLStreamPid
-			    end,
-	    xml_stream:send_text(XMLStreamPid1, Text),
-	    receiver(Socket, SockMod, NewShaperState, C2SPid, XMLStreamPid1,
-		     Timeout);
-	{error, timeout} ->
-	    receiver(Socket, SockMod, ShaperState, C2SPid, XMLStreamPid,
-		     Timeout);
-        {error, Reason} ->
-	    exit(XMLStreamPid, closed),
-	    gen_fsm:send_event(C2SPid, closed),
-	    ok;
-	{'EXIT', Reason} ->
-	    ?ERROR_MSG("(~w) abnormal ~w:recv termination:~n\t~p~n",
-		       [Socket, SockMod, Reason]),
-	    exit(XMLStreamPid, closed),
-	    gen_fsm:send_event(C2SPid, closed),
-	    ok
-    end.
-
 change_shaper(StateData, JID) ->
-    Shaper =  acl:match_rule(StateData#state.shaper, JID),
-    StateData#state.receiver ! {change_shaper, Shaper}.
+    Shaper = acl:match_rule(StateData#state.shaper, JID),
+    ejabberd_receiver:change_shaper(StateData#state.receiver, Shaper).
 
 send_text(StateData, Text) ->
     (StateData#state.sockmod):send(StateData#state.socket, Text).

src/ejabberd_receiver.erl

@@ -0,0 +1,78 @@
+%%%----------------------------------------------------------------------
+%%% File    : ejabberd_receiver.erl
+%%% Author  : Alexey Shchepin <alexey@sevcom.net>
+%%% Purpose : Socket receiver for C2S and S2S connections
+%%% Created : 10 Nov 2003 by Alexey Shchepin <alexey@sevcom.net>
+%%% Id      : $Id$
+%%%----------------------------------------------------------------------
+
+-module(ejabberd_receiver).
+-author('alexey@sevcom.net').
+-vsn('$Revision$ ').
+
+-export([start/3,
+	 receiver/4,
+	 change_shaper/2,
+	 reset_stream/1]).
+
+-include("ejabberd.hrl").
+
+
+start(Socket, SockMod, Shaper) ->
+    proc_lib:spawn(?MODULE, receiver, [Socket, SockMod, Shaper, self()]).
+
+
+receiver(Socket, SockMod, Shaper, C2SPid) ->
+    XMLStreamPid = xml_stream:start(C2SPid),
+    ShaperState = shaper:new(Shaper),
+    Timeout = case SockMod of
+		  ssl ->
+		      20;
+		  _ ->
+		      infinity
+	      end,
+    receiver(Socket, SockMod, ShaperState, C2SPid, XMLStreamPid, Timeout).
+
+receiver(Socket, SockMod, ShaperState, C2SPid, XMLStreamPid, Timeout) ->
+    case catch SockMod:recv(Socket, 0, Timeout) of
+        {ok, Text} ->
+	    ShaperSt1 = receive
+			    {change_shaper, Shaper} ->
+				shaper:new(Shaper)
+			after 0 ->
+				ShaperState
+			end,
+	    NewShaperState = shaper:update(ShaperSt1, size(Text)),
+	    XMLStreamPid1 = receive
+				reset_stream ->
+				    exit(XMLStreamPid, closed),
+				    xml_stream:start(C2SPid)
+			    after 0 ->
+				    XMLStreamPid
+			    end,
+	    xml_stream:send_text(XMLStreamPid1, Text),
+	    receiver(Socket, SockMod, NewShaperState, C2SPid, XMLStreamPid1,
+		     Timeout);
+	{error, timeout} ->
+	    receiver(Socket, SockMod, ShaperState, C2SPid, XMLStreamPid,
+		     Timeout);
+        {error, Reason} ->
+	    exit(XMLStreamPid, closed),
+	    gen_fsm:send_event(C2SPid, closed),
+	    ok;
+	{'EXIT', Reason} ->
+	    ?ERROR_MSG("(~w) abnormal ~w:recv termination:~n\t~p~n",
+		       [Socket, SockMod, Reason]),
+	    exit(XMLStreamPid, closed),
+	    gen_fsm:send_event(C2SPid, closed),
+	    ok
+    end.
+
+
+change_shaper(Pid, Shaper) ->
+    Pid ! {change_shaper, Shaper}.
+
+reset_stream(Pid) ->
+    Pid ! reset_stream.
+
+

src/ejabberd_s2s_in.erl

@@ -13,7 +13,10 @@
 -behaviour(gen_fsm).
 
 %% External exports
--export([start/2, start_link/2, receiver/2, send_text/2, send_element/2]).
+-export([start/2,
+	 start_link/2,
+	 send_text/2,
+	 send_element/2]).
 
 %% gen_fsm callbacks
 -export([init/1,
@@ -30,7 +33,10 @@
 
 -define(DICT, dict).
 
--record(state, {socket, receiver, streamid,
+-record(state, {socket,
+		receiver,
+		streamid,
+		shaper,
 	        connections = ?DICT:new()}).
 
 
@@ -68,8 +74,8 @@
 start(SockData, Opts) ->
     supervisor:start_child(ejabberd_s2s_in_sup, [SockData, Opts]).
 
-start_link(SockData, _Opts) ->
-    gen_fsm:start_link(ejabberd_s2s_in, [SockData], ?FSMOPTS).
+start_link(SockData, Opts) ->
+    gen_fsm:start_link(ejabberd_s2s_in, [SockData, Opts], ?FSMOPTS).
 
 %%%----------------------------------------------------------------------
 %%% Callback functions from gen_fsm
@@ -82,13 +88,18 @@ start_link(SockData, _Opts) ->
 %%          ignore                              |
 %%          {stop, StopReason}                   
 %%----------------------------------------------------------------------
-init([{SockMod, Socket}]) ->
+init([{SockMod, Socket}, Opts]) ->
     ?INFO_MSG("started: ~p", [{SockMod, Socket}]),
-    ReceiverPid = spawn(?MODULE, receiver, [Socket, self()]),
+    ReceiverPid = ejabberd_receiver:start(Socket, SockMod, none),
+    Shaper = case lists:keysearch(shaper, 1, Opts) of
+		 {value, {_, S}} -> S;
+		 _ -> none
+	     end,
     {ok, wait_for_stream,
      #state{socket = Socket,
 	    receiver = ReceiverPid,
-	    streamid = new_id()},
+	    streamid = new_id(),
+	    shaper = Shaper},
      ?S2STIMEOUT}.
 
 %%----------------------------------------------------------------------
@@ -133,6 +144,7 @@ stream_established({xmlstreamelement, El}, StateData) ->
 					    Key, StateData#state.streamid}),
 		    Conns = ?DICT:store({LFrom, LTo}, wait_for_verification,
 					StateData#state.connections),
+		    change_shaper(StateData, jlib:make_jid("", LFrom, "")),
 		    {next_state,
 		     stream_established,
 		     StateData#state{connections = Conns},
@@ -306,21 +318,6 @@ terminate(Reason, _StateName, StateData) ->
 %%% Internal functions
 %%%----------------------------------------------------------------------
 
-receiver(Socket, C2SPid) ->
-    XMLStreamPid = xml_stream:start(C2SPid),
-    receiver(Socket, C2SPid, XMLStreamPid).
-
-receiver(Socket, C2SPid, XMLStreamPid) ->
-    case gen_tcp:recv(Socket, 0) of
-        {ok, Text} ->
-	    xml_stream:send_text(XMLStreamPid, Text),
-	    receiver(Socket, C2SPid, XMLStreamPid);
-        {error, _Reason} ->
-	    exit(XMLStreamPid, closed),
-	    gen_fsm:send_event(C2SPid, closed),
-	    ok
-    end.
-
 send_text(Socket, Text) ->
     gen_tcp:send(Socket,Text).
 
@@ -328,6 +325,10 @@ send_element(Socket, El) ->
     send_text(Socket, xml:element_to_string(El)).
 
 
+change_shaper(StateData, JID) ->
+    Shaper = acl:match_rule(StateData#state.shaper, JID),
+    ejabberd_receiver:change_shaper(StateData#state.receiver, Shaper).
+
 
 new_id() ->
     randoms:get_string().