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-module(ephraim).
-compile([debug_info, export_all]).
-record(state, {
conn :: pid(),
roster :: pid(),
event :: pid(),
gui :: pid(),
convs :: dict(),
uis :: set()
}).
-spec start() -> ok.
start() ->
spawn(?MODULE, init, []),
ok.
-spec stop() -> ok.
stop() ->
ephraim ! stop,
ok.
-spec init() -> ok.
init() ->
register(ephraim, self()),
GUI = spawn(ephraim_gui, init, []),
Conn = spawn(ephraim_conn, init, []),
Roster = spawn(ephraim_roster, init, []),
Event = spawn(ephraim_event, init, []),
loop(#state{conn=Conn,roster=Roster,event=Event,gui=GUI,convs=dict:new(),uis=sets:new()}),
init:stop().
-spec get_conv(#state{},exmpp_jid:jid()) -> {#state{},pid()|undefined}.
get_conv(State, JID) ->
{Node, Domain, Resource} = exmpp_jid:to_lower(exmpp_jid:parse(JID)),
case Resource of
undefined ->
{State, undefined};
_ ->
Key = list_to_binary([Node, <<"@">>, Domain, <<"/">>, Resource]),
case dict:find(Key, State#state.convs) of
{ok, Conv} ->
{State, Conv};
error ->
Conv = spawn(ephraim_conv, init, [Key]),
Dict = dict:store(Key, Conv, State#state.convs),
self() ! {ui_update, {new_conversation, Key}},
{State#state{convs=Dict}, Conv}
end
end.
-spec loop(#state{}) -> ok.
loop(State) ->
receive
stop ->
ephraim_util:send_all_values(State#state.convs, stop),
State#state.conn ! stop,
State#state.roster ! stop,
State#state.event ! stop,
State#state.gui ! stop,
ok;
{register_ui, Pid} ->
io:format("Registered UI ~p~n", [Pid]),
UIs = State#state.uis,
State2 = State#state{uis=sets:add_element(Pid,UIs)},
loop(State2);
{unregister_ui, Pid} ->
io:format("Unregistered UI ~p~n", [Pid]),
UIs = State#state.uis,
State2 = State#state{uis=sets:del_element(Pid,UIs)},
Size = sets:size(State2#state.uis),
if Size =:= 0 ->
self() ! stop;
true ->
ok
end,
loop(State2);
{ui_update, Msg} ->
ephraim_util:send_all(sets:to_list(State#state.uis), Msg),
loop(State);
{roster, Packet} ->
State#state.roster ! Packet,
loop(State);
{receive_message, From, Packet} ->
{State2, Conv} = get_conv(State, From),
case Conv of
undefined ->
io:format("~p~n", [Packet]);
_ ->
Conv ! {receive_message, Packet}
end,
loop(State2);
{send_message, To, Type, Message} ->
{State2, Conv} = get_conv(State, To),
case Conv of
undefined ->
io:format("ephraim: send_message: ~p~n", [Message]);
_ ->
Conv ! {send_message, Type, Message}
end,
loop(State2);
{start_conversation, To} ->
{State2, _Conv} = get_conv(State, To),
loop(State2);
{send_packet, Packet} ->
State#state.conn ! {send_packet, Packet},
loop(State);
{receive_event, From, Packet} ->
State#state.event ! {receive_event, From, Packet},
loop(State);
{receive_iq, From, IQ} ->
case IQ of
{iq, response, result, _, 'jabber:iq:roster', Payload, _, _, 'jabber:client'} ->
State#state.roster ! {roster_iq, Payload};
{iq, response, result, _, 'vcard-temp', Payload, _, _, 'jabber:client'} ->
State#state.roster ! {vcard_iq, From, Payload};
_ ->
io:format("ephraim: IQ from ~p: ~p~n", [From, IQ])
end,
loop(State);
Msg ->
io:format("ephraim: ~p~n", [Msg]),
loop(State)
end.
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