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* src/web/ejabberd_http_poll.erl: Messages polled between the

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the last client request and the polling timeout were lost. Those
messages are now resent using ejabberd routing mechanisms (EJAB-87).

SVN Revision: 575
This commit is contained in:
Mickaël Rémond 2006-06-02 13:16:21 +00:00
parent ce5d10eb59
commit ae537d2bfb
2 changed files with 39 additions and 4 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-06-31 Mickael Remond <mickael.remond@process-one.net>
* src/web/ejabberd_http_poll.erl: Messages polled between the
the last client request and the polling timeout were lost. Those
messages are now resent using ejabberd routing mechanisms.
2006-05-29 Mickael Remond <mickael.remond@process-one.net> 2006-05-29 Mickael Remond <mickael.remond@process-one.net>
* src/mod_roster.erl: According to RFC3921 section 9.2, outbound * src/mod_roster.erl: According to RFC3921 section 9.2, outbound

37
src/web/ejabberd_http_poll.erl
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@ -36,7 +36,7 @@
key, key,
output = "", output = "",
input = "", input = "",
waiting_input = false, waiting_input = false, %% {ReceiverPid, Tag}
last_receiver, last_receiver,
timer}). timer}).
@ -195,7 +195,7 @@ handle_event(Event, StateName, StateData) ->
%% {stop, Reason, Reply, NewStateData} %% {stop, Reason, Reply, NewStateData}
%%---------------------------------------------------------------------- %%----------------------------------------------------------------------
handle_sync_event({send, Packet}, From, StateName, StateData) -> handle_sync_event({send, Packet}, From, StateName, StateData) ->
Output = [StateData#state.output | Packet], Output = StateData#state.output ++ [lists:flatten(Packet)],
Reply = ok, Reply = ok,
{reply, Reply, StateName, StateData#state{output = Output}}; {reply, Reply, StateName, StateData#state{output = Output}};
@ -234,7 +234,7 @@ handle_sync_event({http_put, Key, NewKey, Packet},
Allow -> Allow ->
case StateData#state.waiting_input of case StateData#state.waiting_input of
false -> false ->
Input = [StateData#state.input | Packet], Input = [StateData#state.input|Packet],
Reply = ok, Reply = ok,
{reply, Reply, StateName, StateData#state{input = Input, {reply, Reply, StateName, StateData#state{input = Input,
key = NewKey}}; key = NewKey}};
@ -291,13 +291,18 @@ terminate(Reason, StateName, StateData) ->
end), end),
case StateData#state.waiting_input of case StateData#state.waiting_input of
false -> false ->
%% We are testing this case due to "socket activation": If we pass
%% here and the "socket" is not ready to receive, the tcp_closed
%% will be lost.
case StateData#state.last_receiver of case StateData#state.last_receiver of
undefined -> ok; undefined -> ok;
Receiver -> Receiver ! {tcp_closed, {http_poll, self()}} Receiver ->
Receiver ! {tcp_closed, {http_poll, self()}}
end; end;
{Receiver, _Tag} -> {Receiver, _Tag} ->
Receiver ! {tcp_closed, {http_poll, self()}} Receiver ! {tcp_closed, {http_poll, self()}}
end, end,
resend_messages(StateData#state.output),
ok. ok.
%%%---------------------------------------------------------------------- %%%----------------------------------------------------------------------
@ -348,3 +353,27 @@ cancel_timer(Timer) ->
ok ok
end. end.
%% Resend the polled messages
resend_messages(Messages) ->
lists:foreach(fun(Packet) ->
resend_message(Packet)
end, Messages).
%% This function is used to resend messages that have been polled but not
%% delivered.
resend_message(Packet) ->
ParsedPacket = xml_stream:parse_element(Packet),
From = get_jid("from", ParsedPacket),
To = get_jid("to", ParsedPacket),
io:format("MREMOND: Resend ~p ~p ~p~n",[From,To, ParsedPacket]),
ejabberd_router:route(From, To, ParsedPacket).
%% Type can be "from" or "to"
%% Parsed packet is a parsed Jabber packet.
get_jid(Type, ParsedPacket) ->
case xml:get_tag_attr(Type, ParsedPacket) of
{value, StringJid} ->
jlib:string_to_jid(StringJid);
false ->
jlib:make_jid("","","")
end.