mirror of
https://github.com/processone/ejabberd.git
synced 2024-10-31 15:21:38 +01:00
Initial revision
SVN Revision: 2
This commit is contained in:
parent
58e6ff32a0
commit
e0b348319a
18
src/Makefile
Normal file
18
src/Makefile
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@ -0,0 +1,18 @@
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# $Id$
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INCLUDES = -I/usr/lib/erlang/usr/include \
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-I/usr/lib/erlang/lib/erl_interface-3.3.0/include
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LIBDIRS = -L/usr/lib/erlang/lib/erl_interface-3.3.0/lib
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all: expat_erl.so
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erl -make
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expat_erl.so: expat_erl.c
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gcc -Wall $(INCLUDES) $(LIBDIRS) \
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-lexpat \
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expat_erl.c \
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-lerl_interface \
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-lei \
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-o expat_erl.so -fpic -shared \
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17
src/ejabberd.erl
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17
src/ejabberd.erl
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%%%----------------------------------------------------------------------
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%%% File : ejabberd.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 16 Nov 2002 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(ejabberd).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-export([start/0]).
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start() ->
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{ok, _} = erl_ddll:start(),
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ejabberd_listener:start().
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17
src/ejabberd.hrl
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17
src/ejabberd.hrl
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%%%----------------------------------------------------------------------
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%%% File : ejabberd.hrl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 17 Nov 2002 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-define(ejabberd_debug, true).
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-ifdef(ejabberd_debug).
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-define(DEBUG(Format, Args), io:format("D(~p:~p:~p) : "++Format++"~n",
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[self(),?MODULE,?LINE]++Args)).
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-else.
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-define(DEBUG(F,A),[]).
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-endif.
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219
src/ejabberd_c2s.erl
Normal file
219
src/ejabberd_c2s.erl
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@ -0,0 +1,219 @@
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%%%----------------------------------------------------------------------
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%%% File : ejabberd_c2s.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 16 Nov 2002 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(ejabberd_c2s).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-behaviour(gen_fsm).
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%% External exports
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-export([start/1, receiver/2, sender/1, send_text/2]).
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%% gen_fsm callbacks
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%-export([init/1, state_name/2, state_name/3, handle_event/3,
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% handle_sync_event/4, handle_info/3, terminate/3]).
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%
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-export([init/1, wait_for_stream/2, wait_for_auth/2, terminate/3]).
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-record(state, {socket, sender, receiver}).
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-include("ejabberd.hrl").
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%start_old(Socket) ->
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% spawn(?MODULE, init, [Socket]).
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%init_old(Socket) ->
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% SenderPid = spawn(?MODULE, sender, [Socket]),
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% ReceiverPid = spawn(?MODULE, receiver, [Socket, self()]),
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% loop_old(Socket, SenderPid, ReceiverPid).
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%
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%loop_old(Socket, SenderPid, ReceiverPid) ->
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% receive
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% {xmlstreamstart, Name, Attrs} ->
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% ?DEBUG("Socket(~p) -> XML Stream start~n"
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% " Name: ~s~n"
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% " Attrs: ~p~n", [Socket, Name, Attrs]),
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% loop_old(Socket, SenderPid, ReceiverPid);
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% {xmlstreamend, Name} ->
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% ?DEBUG("Socket(~p) -> XML Stream end~n"
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% " Name: ~s~n", [Socket, Name]),
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% loop_old(Socket, SenderPid, ReceiverPid);
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% {xmlstreamelement, El} ->
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% ?DEBUG("Socket(~p) -> XML Stream element~n"
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% " Element: ~p~n", [Socket, El]),
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% loop_old(Socket, SenderPid, ReceiverPid);
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% {xmlstreamerror, Err} ->
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% ?DEBUG("Socket(~p) -> XML Stream error~n"
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% " Error: ~p~n", [Socket, Err]),
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% loop_old(Socket, SenderPid, ReceiverPid)
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% end.
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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-define(DBGFSM, true).
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-ifdef(DBGFSM).
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-define(FSMOPTS, [{debug, [trace]}]).
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-else.
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-define(FSMOPTS, []).
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-endif.
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-define(STREAM_HEADER,
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"<stream:stream xmlns='jabber:client' "
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"xmlns:stream='http://etherx.jabber.org/streams' "
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"id='~s' from='~s'>"
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).
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%%%----------------------------------------------------------------------
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%%% API
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%%%----------------------------------------------------------------------
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start(Socket) ->
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gen_fsm:start(ejabberd_c2s, [Socket], ?FSMOPTS).
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%start_old(Socket) ->
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% spawn(?MODULE, init, [Socket]).
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%%%----------------------------------------------------------------------
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%%% Callback functions from gen_fsm
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%%%----------------------------------------------------------------------
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%%----------------------------------------------------------------------
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%% Func: init/1
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%% Returns: {ok, StateName, StateData} |
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%% {ok, StateName, StateData, Timeout} |
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%% ignore |
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%% {stop, StopReason}
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%%----------------------------------------------------------------------
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init([Socket]) ->
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SenderPid = spawn(?MODULE, sender, [Socket]),
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ReceiverPid = spawn(?MODULE, receiver, [Socket, self()]),
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{ok, wait_for_stream, #state{socket = Socket,
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receiver = ReceiverPid,
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sender = SenderPid}}.
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%%----------------------------------------------------------------------
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%% Func: StateName/2
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData}
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%%----------------------------------------------------------------------
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state_name(Event, StateData) ->
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{next_state, state_name, StateData}.
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wait_for_stream({xmlstreamstart, Name, Attrs}, StateData) ->
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case lists:keysearch("xmlns:stream", 1, Attrs) of
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{value, {"xmlns:stream", "http://etherx.jabber.org/streams"}} ->
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% TODO
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Header = io_lib:format(?STREAM_HEADER, ["SID", "localhost"]),
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StateData#state.sender ! {text, Header},
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{next_state, wait_for_auth, StateData};
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_ ->
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{stop, error, StateData}
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end;
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wait_for_stream(closed, StateData) ->
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{stop, normal, StateData}.
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wait_for_auth({xmlstreamelement, El}, StateData) ->
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% TODO
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{next_state, wait_for_auth, StateData};
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wait_for_auth({xmlstreamend, Name}, StateData) ->
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% TODO
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{stop, normal, StateData};
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wait_for_auth(closed, StateData) ->
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{stop, normal, StateData}.
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%%----------------------------------------------------------------------
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%% Func: StateName/3
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {reply, Reply, NextStateName, NextStateData} |
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%% {reply, Reply, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData} |
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%% {stop, Reason, Reply, NewStateData}
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%%----------------------------------------------------------------------
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state_name(Event, From, StateData) ->
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Reply = ok,
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{reply, Reply, state_name, StateData}.
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%%----------------------------------------------------------------------
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%% Func: handle_event/3
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData}
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%%----------------------------------------------------------------------
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handle_event(Event, StateName, StateData) ->
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{next_state, StateName, StateData}.
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%%----------------------------------------------------------------------
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%% Func: handle_sync_event/4
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {reply, Reply, NextStateName, NextStateData} |
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%% {reply, Reply, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData} |
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%% {stop, Reason, Reply, NewStateData}
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%%----------------------------------------------------------------------
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handle_sync_event(Event, From, StateName, StateData) ->
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Reply = ok,
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{reply, Reply, StateName, StateData}.
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%%----------------------------------------------------------------------
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%% Func: handle_info/3
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%% Returns: {next_state, NextStateName, NextStateData} |
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%% {next_state, NextStateName, NextStateData, Timeout} |
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%% {stop, Reason, NewStateData}
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%%----------------------------------------------------------------------
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handle_info(Info, StateName, StateData) ->
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{next_state, StateName, StateData}.
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%%----------------------------------------------------------------------
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%% Func: terminate/3
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%% Purpose: Shutdown the fsm
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%% Returns: any
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%%----------------------------------------------------------------------
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terminate(Reason, StateName, StatData) ->
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ok.
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%%%----------------------------------------------------------------------
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%%% Internal functions
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%%%----------------------------------------------------------------------
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receiver(Socket, C2SPid) ->
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XMLStreamPid = xml_stream:start(C2SPid),
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receiver(Socket, C2SPid, XMLStreamPid).
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receiver(Socket, C2SPid, XMLStreamPid) ->
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case gen_tcp:recv(Socket, 0) of
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{ok, Text} ->
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xml_stream:send_text(XMLStreamPid, Text),
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receiver(Socket, C2SPid, XMLStreamPid);
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{error, closed} ->
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gen_fsm:send_event(C2SPid, closed),
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ok
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end.
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sender(Socket) ->
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receive
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{text, Text} ->
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gen_tcp:send(Socket,Text),
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sender(Socket);
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closed ->
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ok
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end.
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send_text(Pid, Text) ->
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Pid ! {text, Text}.
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42
src/ejabberd_listener.erl
Normal file
42
src/ejabberd_listener.erl
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%%%----------------------------------------------------------------------
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%%% File : ejabberd_listener.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 16 Nov 2002 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(ejabberd_listener).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-export([start/0, init/0]).
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start() ->
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register(ejabberd_listener, spawn(?MODULE, init, [])).
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init() ->
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{ok, ListenSocket} = gen_tcp:listen(5522, [binary,
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{packet, 0},
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{active, false},
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{reuseaddr, true}]),
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accept(ListenSocket).
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accept(ListenSocket) ->
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case gen_tcp:accept(ListenSocket) of
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{ok,Socket} ->
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ejabberd_c2s:start(Socket),
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accept(ListenSocket)
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end.
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do_recv(Sock, Bs) ->
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case gen_tcp:recv(Sock, 0) of
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{ok, B} ->
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do_recv(Sock, [Bs, B]);
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{error, closed} ->
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{ok, list_to_binary(Bs)}
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end.
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|
155
src/expat_erl.c
Normal file
155
src/expat_erl.c
Normal file
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/* $Id$ */
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#include <stdio.h>
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#include <erl_driver.h>
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#include <ei.h>
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#include <expat.h>
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typedef struct {
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ErlDrvPort port;
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XML_Parser parser;
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} expat_data;
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void *erlXML_StartElementHandler(expat_data *d,
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const XML_Char *name,
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const XML_Char **atts)
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{
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int i;
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ei_x_buff buf;
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ei_x_new_with_version(&buf);
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ei_x_encode_tuple_header(&buf, 2);
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ei_x_encode_atom(&buf, "xmlstart");
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ei_x_encode_tuple_header(&buf, 2);
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ei_x_encode_string(&buf, name);
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for (i = 0; atts[i]; i += 2) {}
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ei_x_encode_list_header(&buf, i/2);
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for (i = 0; atts[i]; i += 2)
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{
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ei_x_encode_tuple_header(&buf, 2);
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ei_x_encode_string(&buf, atts[i]);
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ei_x_encode_string(&buf, atts[i+1]);
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}
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ei_x_encode_empty_list(&buf);
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driver_output(d->port, buf.buff, buf.index);
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ei_x_free(&buf);
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return NULL;
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}
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void *erlXML_EndElementHandler(expat_data *d,
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const XML_Char *name)
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{
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ei_x_buff buf;
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ei_x_new_with_version(&buf);
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ei_x_encode_tuple_header(&buf, 2);
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ei_x_encode_atom(&buf, "xmlend");
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ei_x_encode_string(&buf, name);
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driver_output(d->port, buf.buff, buf.index);
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ei_x_free(&buf);
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return NULL;
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}
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void *erlXML_CharacterDataHandler(expat_data *d,
|
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const XML_Char *s,
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int len)
|
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{
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ei_x_buff buf;
|
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|
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ei_x_new_with_version(&buf);
|
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ei_x_encode_tuple_header(&buf, 2);
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ei_x_encode_atom(&buf, "xmlcdata");
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ei_x_encode_string_len(&buf, s, len);
|
||||
|
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driver_output(d->port, buf.buff, buf.index);
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ei_x_free(&buf);
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return NULL;
|
||||
}
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||||
|
||||
|
||||
static ErlDrvData expat_erl_start(ErlDrvPort port, char *buff)
|
||||
{
|
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expat_data* d = (expat_data*)driver_alloc(sizeof(expat_data));
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d->port = port;
|
||||
d->parser = XML_ParserCreate("UTF-8");
|
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XML_SetUserData(d->parser, d);
|
||||
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XML_SetStartElementHandler(
|
||||
d->parser, (XML_StartElementHandler)erlXML_StartElementHandler);
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||||
XML_SetEndElementHandler(
|
||||
d->parser, (XML_EndElementHandler)erlXML_EndElementHandler);
|
||||
XML_SetCharacterDataHandler(
|
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d->parser, (XML_CharacterDataHandler)erlXML_CharacterDataHandler);
|
||||
|
||||
|
||||
return (ErlDrvData)d;
|
||||
}
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||||
|
||||
static void expat_erl_stop(ErlDrvData handle)
|
||||
{
|
||||
/* TODO: free parser */
|
||||
driver_free((char*)handle);
|
||||
}
|
||||
|
||||
static void expat_erl_output(ErlDrvData handle, char *buff, int bufflen)
|
||||
{
|
||||
expat_data* d = (expat_data*)handle;
|
||||
int res, errcode;
|
||||
char *errstring;
|
||||
ei_x_buff buf;
|
||||
|
||||
/*buff[bufflen] = 0;
|
||||
|
||||
fprintf(stderr, "RCVD: '%s'\n", buff);
|
||||
fflush(stderr);*/
|
||||
|
||||
res = XML_Parse(d->parser, buff, bufflen, 0);
|
||||
|
||||
if(!res)
|
||||
{
|
||||
errcode = XML_GetErrorCode(d->parser);
|
||||
errstring = (char *)XML_ErrorString(errcode);
|
||||
|
||||
ei_x_new_with_version(&buf);
|
||||
ei_x_encode_tuple_header(&buf, 2);
|
||||
ei_x_encode_atom(&buf, "xmlerror");
|
||||
ei_x_encode_tuple_header(&buf, 2);
|
||||
ei_x_encode_long(&buf, errcode);
|
||||
ei_x_encode_string(&buf, errstring);
|
||||
|
||||
driver_output(d->port, buf.buff, buf.index);
|
||||
ei_x_free(&buf);
|
||||
}
|
||||
|
||||
//driver_output(d->port, &res, 1);
|
||||
}
|
||||
|
||||
|
||||
|
||||
ErlDrvEntry expat_driver_entry = {
|
||||
NULL, /* F_PTR init, N/A */
|
||||
expat_erl_start, /* L_PTR start, called when port is opened */
|
||||
expat_erl_stop, /* F_PTR stop, called when port is closed */
|
||||
expat_erl_output, /* F_PTR output, called when erlang has sent */
|
||||
NULL, /* F_PTR ready_input, called when input descriptor ready */
|
||||
NULL, /* F_PTR ready_output, called when output descriptor ready */
|
||||
"expat_erl", /* char *driver_name, the argument to open_port */
|
||||
NULL, /* F_PTR finish, called when unloaded */
|
||||
NULL, /* F_PTR control, port_command callback */
|
||||
NULL, /* F_PTR timeout, reserved */
|
||||
NULL /* F_PTR outputv, reserved */
|
||||
};
|
||||
|
||||
DRIVER_INIT(expat_erl) /* must match name in driver_entry */
|
||||
{
|
||||
return &expat_driver_entry;
|
||||
}
|
||||
|
||||
|
77
src/xml_stream.erl
Normal file
77
src/xml_stream.erl
Normal file
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%%%----------------------------------------------------------------------
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%%% File : xml_stream.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 17 Nov 2002 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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||||
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||||
-module(xml_stream).
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||||
-author('alexey@sevcom.net').
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||||
-vsn('$Revision$ ').
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||||
|
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-export([start/1, init/1, send_text/2]).
|
||||
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||||
start(CallbackPid) ->
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||||
spawn(?MODULE, init, [CallbackPid]).
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||||
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init(CallbackPid) ->
|
||||
ok = erl_ddll:load_driver(".", expat_erl),
|
||||
Port = open_port({spawn, expat_erl}, [binary]),
|
||||
loop(CallbackPid, Port, []).
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||||
|
||||
loop(CallbackPid, Port, Stack) ->
|
||||
receive
|
||||
{Port, {data, Bin}} ->
|
||||
%CallbackPid ! binary_to_term(Bin),
|
||||
Data = binary_to_term(Bin),
|
||||
loop(CallbackPid, Port, process_data(CallbackPid, Stack, Data));
|
||||
{From, {send, Str}} ->
|
||||
Port ! {self(), {command, Str}},
|
||||
loop(CallbackPid, Port, Stack)
|
||||
end.
|
||||
|
||||
process_data(CallbackPid, Stack, Data) ->
|
||||
case Data of
|
||||
{xmlstart, {Name, Attrs}} ->
|
||||
if Stack == [] ->
|
||||
gen_fsm:send_event(CallbackPid,
|
||||
{xmlstreamstart, Name, Attrs});
|
||||
true -> true
|
||||
end,
|
||||
[{xmlelement, Name, Attrs, []} | Stack];
|
||||
{xmlend, EndName} ->
|
||||
case Stack of
|
||||
[{xmlelement, Name, Attrs, Els} | Tail] ->
|
||||
NewEl = {xmlelement, Name, Attrs, lists:reverse(Els)},
|
||||
Len = length(Tail),
|
||||
if
|
||||
Len > 1 -> add_subelement(NewEl, Tail);
|
||||
Len == 1 ->
|
||||
gen_fsm:send_event(CallbackPid,
|
||||
{xmlstreamelement, NewEl}),
|
||||
Tail;
|
||||
Len == 0 ->
|
||||
gen_fsm:send_event(CallbackPid,
|
||||
{xmlstreamend, EndName}),
|
||||
Tail
|
||||
end
|
||||
end;
|
||||
{xmlcdata, CData} ->
|
||||
add_subelement({xmlcdata, CData}, Stack);
|
||||
{xmlerror, Err} -> gen_fsm:send_event(CallbackPid,
|
||||
{xmlstreamerror, Err})
|
||||
end.
|
||||
|
||||
|
||||
add_subelement(El, Stack) ->
|
||||
case Stack of
|
||||
[{xmlelement, Name, Attrs, Els} | Tail] ->
|
||||
[{xmlelement, Name, Attrs, [El | Els]} | Tail];
|
||||
[] -> []
|
||||
end.
|
||||
|
||||
|
||||
send_text(Pid, Text) ->
|
||||
Pid ! {self(), {send, Text}}.
|
||||
|
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Block a user