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https://github.com/processone/ejabberd.git
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Merge remote-tracking branch 'processone/pr/1122'
* processone/pr/1122: mod_client_state: Add function specifications mod_client_state: Add "queue_pep" option mod_client_state: Queue chat state notifications Move CSI queue handling into mod_client_state
This commit is contained in:
Holger Weiss
commit
1b02c5fbf3
@ -104,7 +104,6 @@
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ip,
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aux_fields = [],
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csi_state = active,
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csi_queue = [],
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mgmt_state,
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mgmt_xmlns,
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mgmt_queue,
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@ -1147,7 +1146,7 @@ session_established({xmlstreamelement,
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#xmlel{name = <<"active">>,
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attrs = [{<<"xmlns">>, ?NS_CLIENT_STATE}]}},
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StateData) ->
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NewStateData = csi_queue_flush(StateData),
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NewStateData = csi_flush_queue(StateData),
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fsm_next_state(session_established, NewStateData#state{csi_state = active});
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session_established({xmlstreamelement,
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#xmlel{name = <<"inactive">>,
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@ -2763,7 +2762,7 @@ handle_resume(StateData, Attrs) ->
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#xmlel{name = <<"r">>,
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attrs = [{<<"xmlns">>, AttrXmlns}],
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children = []}),
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FlushedState = csi_queue_flush(NewState),
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FlushedState = csi_flush_queue(NewState),
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NewStateData = FlushedState#state{csi_state = active},
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?INFO_MSG("Resumed session for ~s",
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[jid:to_string(NewStateData#state.jid)]),
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@ -2995,7 +2994,6 @@ inherit_session_state(#state{user = U, server = S} = StateData, ResumeID) ->
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privacy_list = OldStateData#state.privacy_list,
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aux_fields = OldStateData#state.aux_fields,
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csi_state = OldStateData#state.csi_state,
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csi_queue = OldStateData#state.csi_queue,
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mgmt_xmlns = OldStateData#state.mgmt_xmlns,
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mgmt_queue = OldStateData#state.mgmt_queue,
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mgmt_timeout = OldStateData#state.mgmt_timeout,
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@ -3028,65 +3026,25 @@ add_resent_delay_info(#state{server = From}, El, Time) ->
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%%% XEP-0352
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%%%----------------------------------------------------------------------
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csi_filter_stanza(#state{csi_state = CsiState, jid = JID} = StateData,
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csi_filter_stanza(#state{csi_state = CsiState, server = Server} = StateData,
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Stanza) ->
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Action = ejabberd_hooks:run_fold(csi_filter_stanza,
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StateData#state.server,
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send, [Stanza]),
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?DEBUG("Going to ~p stanza for inactive client ~p",
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[Action, jid:to_string(JID)]),
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case Action of
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queue -> csi_queue_add(StateData, Stanza);
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drop -> StateData;
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send ->
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From = fxml:get_tag_attr_s(<<"from">>, Stanza),
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StateData1 = csi_queue_send(StateData, From),
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StateData2 = send_stanza(StateData1#state{csi_state = active},
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Stanza),
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StateData2#state{csi_state = CsiState}
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end.
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{StateData1, Stanzas} = ejabberd_hooks:run_fold(csi_filter_stanza, Server,
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{StateData, [Stanza]},
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[Server, Stanza]),
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StateData2 = lists:foldl(fun(CurStanza, AccState) ->
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send_stanza(AccState, CurStanza)
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end, StateData1#state{csi_state = active},
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Stanzas),
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StateData2#state{csi_state = CsiState}.
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csi_queue_add(#state{csi_queue = Queue} = StateData, Stanza) ->
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case length(StateData#state.csi_queue) >= csi_max_queue(StateData) of
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true -> csi_queue_add(csi_queue_flush(StateData), Stanza);
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false ->
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From = fxml:get_tag_attr_s(<<"from">>, Stanza),
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NewQueue = lists:keystore(From, 1, Queue, {From, p1_time_compat:timestamp(), Stanza}),
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StateData#state{csi_queue = NewQueue}
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end.
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csi_queue_send(#state{csi_queue = Queue, csi_state = CsiState, server = Host} =
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StateData, From) ->
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case lists:keytake(From, 1, Queue) of
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{value, {From, Time, Stanza}, NewQueue} ->
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NewStanza = jlib:add_delay_info(Stanza, Host, Time,
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<<"Client Inactive">>),
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NewStateData = send_stanza(StateData#state{csi_state = active},
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NewStanza),
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NewStateData#state{csi_queue = NewQueue, csi_state = CsiState};
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false -> StateData
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end.
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csi_queue_flush(#state{csi_queue = Queue, csi_state = CsiState, jid = JID,
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server = Host} = StateData) ->
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?DEBUG("Flushing CSI queue for ~s", [jid:to_string(JID)]),
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NewStateData =
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lists:foldl(fun({_From, Time, Stanza}, AccState) ->
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NewStanza =
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jlib:add_delay_info(Stanza, Host, Time,
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<<"Client Inactive">>),
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send_stanza(AccState, NewStanza)
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end, StateData#state{csi_state = active}, Queue),
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NewStateData#state{csi_queue = [], csi_state = CsiState}.
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%% Make sure we won't push too many messages to the XEP-0198 queue when the
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%% client becomes 'active' again. Otherwise, the client might not manage to
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%% acknowledge the message flood in time. Also, don't let the queue grow to
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%% more than 100 stanzas.
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csi_max_queue(#state{mgmt_max_queue = infinity}) -> 100;
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csi_max_queue(#state{mgmt_max_queue = Max}) when Max > 200 -> 100;
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csi_max_queue(#state{mgmt_max_queue = Max}) when Max < 2 -> 1;
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csi_max_queue(#state{mgmt_max_queue = Max}) -> Max div 2.
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csi_flush_queue(#state{csi_state = CsiState, server = Server} = StateData) ->
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{StateData1, Stanzas} = ejabberd_hooks:run_fold(csi_flush_queue, Server,
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{StateData, []}, [Server]),
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StateData2 = lists:foldl(fun(CurStanza, AccState) ->
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send_stanza(AccState, CurStanza)
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end, StateData1#state{csi_state = active},
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Stanzas),
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StateData2#state{csi_state = CsiState}.
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%%%----------------------------------------------------------------------
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%%% JID Set memory footprint reduction code
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@ -30,22 +30,44 @@
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-behavior(gen_mod).
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-export([start/2, stop/1, add_stream_feature/2,
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filter_presence/2, filter_chat_states/2,
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mod_opt_type/1]).
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%% gen_mod callbacks.
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-export([start/2, stop/1, mod_opt_type/1]).
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%% ejabberd_hooks callbacks.
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-export([filter_presence/3, filter_chat_states/3, filter_pep/3, filter_other/3,
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flush_queue/2, add_stream_feature/2]).
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-include("ejabberd.hrl").
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-include("logger.hrl").
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-include("jlib.hrl").
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-define(CSI_QUEUE_MAX, 100).
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-type csi_type() :: presence | chatstate | {pep, binary(), binary()}.
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-type csi_key() :: {ljid(), csi_type()}.
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-type csi_stanza() :: {csi_key(), erlang:timestamp(), xmlel()}.
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-type csi_queue() :: [csi_stanza()].
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%%--------------------------------------------------------------------
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%% gen_mod callbacks.
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%%--------------------------------------------------------------------
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-spec start(binary(), gen_mod:opts()) -> ok.
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start(Host, Opts) ->
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QueuePresence = gen_mod:get_opt(queue_presence, Opts,
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fun(B) when is_boolean(B) -> B end,
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true),
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DropChatStates = gen_mod:get_opt(drop_chat_states, Opts,
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fun(B) when is_boolean(B) -> B end,
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true),
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if QueuePresence; DropChatStates ->
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QueuePresence =
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gen_mod:get_opt(queue_presence, Opts,
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fun(B) when is_boolean(B) -> B end,
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true),
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QueueChatStates =
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gen_mod:get_opt(queue_chat_states, Opts,
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fun(B) when is_boolean(B) -> B end,
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true),
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QueuePEP =
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gen_mod:get_opt(queue_pep, Opts,
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fun(B) when is_boolean(B) -> B end,
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false),
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if QueuePresence; QueueChatStates; QueuePEP ->
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ejabberd_hooks:add(c2s_post_auth_features, Host, ?MODULE,
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add_stream_feature, 50),
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if QueuePresence ->
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@ -53,23 +75,39 @@ start(Host, Opts) ->
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filter_presence, 50);
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true -> ok
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end,
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if DropChatStates ->
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if QueueChatStates ->
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ejabberd_hooks:add(csi_filter_stanza, Host, ?MODULE,
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filter_chat_states, 50);
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true -> ok
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end;
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end,
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if QueuePEP ->
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ejabberd_hooks:add(csi_filter_stanza, Host, ?MODULE,
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filter_pep, 50);
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true -> ok
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end,
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ejabberd_hooks:add(csi_filter_stanza, Host, ?MODULE,
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filter_other, 100),
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ejabberd_hooks:add(csi_flush_queue, Host, ?MODULE,
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flush_queue, 50);
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true -> ok
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end,
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ok.
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end.
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-spec stop(binary()) -> ok.
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stop(Host) ->
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QueuePresence = gen_mod:get_module_opt(Host, ?MODULE, queue_presence,
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fun(B) when is_boolean(B) -> B end,
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true),
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DropChatStates = gen_mod:get_module_opt(Host, ?MODULE, drop_chat_states,
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fun(B) when is_boolean(B) -> B end,
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true),
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if QueuePresence; DropChatStates ->
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QueuePresence =
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gen_mod:get_module_opt(Host, ?MODULE, queue_presence,
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fun(B) when is_boolean(B) -> B end,
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true),
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QueueChatStates =
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gen_mod:get_module_opt(Host, ?MODULE, queue_chat_states,
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fun(B) when is_boolean(B) -> B end,
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true),
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QueuePEP =
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gen_mod:get_module_opt(Host, ?MODULE, queue_pep,
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fun(B) when is_boolean(B) -> B end,
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false),
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if QueuePresence; QueueChatStates; QueuePEP ->
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ejabberd_hooks:delete(c2s_post_auth_features, Host, ?MODULE,
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add_stream_feature, 50),
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if QueuePresence ->
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@ -77,14 +115,95 @@ stop(Host) ->
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filter_presence, 50);
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true -> ok
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end,
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if DropChatStates ->
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if QueueChatStates ->
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ejabberd_hooks:delete(csi_filter_stanza, Host, ?MODULE,
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filter_chat_states, 50);
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true -> ok
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end;
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end,
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if QueuePEP ->
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ejabberd_hooks:delete(csi_filter_stanza, Host, ?MODULE,
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filter_pep, 50);
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true -> ok
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end,
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ejabberd_hooks:delete(csi_filter_stanza, Host, ?MODULE,
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filter_other, 100),
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ejabberd_hooks:delete(csi_flush_queue, Host, ?MODULE,
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flush_queue, 50);
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true -> ok
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end,
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ok.
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end.
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-spec mod_opt_type(atom()) -> fun((term()) -> term()) | [atom()].
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mod_opt_type(queue_presence) ->
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fun(B) when is_boolean(B) -> B end;
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mod_opt_type(queue_chat_states) ->
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fun(B) when is_boolean(B) -> B end;
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mod_opt_type(queue_pep) ->
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fun(B) when is_boolean(B) -> B end;
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mod_opt_type(_) -> [queue_presence, queue_chat_states, queue_pep].
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%%--------------------------------------------------------------------
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%% ejabberd_hooks callbacks.
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%%--------------------------------------------------------------------
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-spec filter_presence({term(), [xmlel()]}, binary(), xmlel())
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-> {term(), [xmlel()]} | {stop, {term(), [xmlel()]}}.
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filter_presence({C2SState, _OutStanzas} = Acc, Host,
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#xmlel{name = <<"presence">>, attrs = Attrs} = Stanza) ->
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case fxml:get_attr(<<"type">>, Attrs) of
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{value, Type} when Type /= <<"unavailable">> ->
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Acc;
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_ ->
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?DEBUG("Got availability presence stanza", []),
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queue_add(presence, Stanza, Host, C2SState)
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end;
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filter_presence(Acc, _Host, _Stanza) -> Acc.
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-spec filter_chat_states({term(), [xmlel()]}, binary(), xmlel())
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-> {term(), [xmlel()]} | {stop, {term(), [xmlel()]}}.
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filter_chat_states({C2SState, _OutStanzas} = Acc, Host,
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#xmlel{name = <<"message">>} = Stanza) ->
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case jlib:is_standalone_chat_state(Stanza) of
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true ->
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?DEBUG("Got standalone chat state notification", []),
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queue_add(chatstate, Stanza, Host, C2SState);
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false ->
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Acc
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end;
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filter_chat_states(Acc, _Host, _Stanza) -> Acc.
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-spec filter_pep({term(), [xmlel()]}, binary(), xmlel())
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-> {term(), [xmlel()]} | {stop, {term(), [xmlel()]}}.
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filter_pep({C2SState, _OutStanzas} = Acc, Host,
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#xmlel{name = <<"message">>} = Stanza) ->
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case find_pep(Stanza) of
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{value, Type} ->
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?DEBUG("Got PEP notification", []),
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queue_add(Type, Stanza, Host, C2SState);
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false ->
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Acc
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end;
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filter_pep(Acc, _Host, _Stanza) -> Acc.
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-spec filter_other({term(), [xmlel()]}, binary(), xmlel())
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-> {stop, {term(), [xmlel()]}}.
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filter_other({C2SState, _OutStanzas}, Host, Stanza) ->
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?DEBUG("Won't add stanza to CSI queue", []),
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queue_take(Stanza, Host, C2SState).
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-spec flush_queue({term(), [xmlel()]}, binary()) -> {term(), [xmlel()]}.
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|
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flush_queue({C2SState, _OutStanzas}, Host) ->
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?DEBUG("Going to flush CSI queue", []),
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Queue = get_queue(C2SState),
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NewState = set_queue([], C2SState),
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{NewState, get_stanzas(Queue, Host)}.
|
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|
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-spec add_stream_feature([xmlel()], binary) -> [xmlel()].
|
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|
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add_stream_feature(Features, _Host) ->
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Feature = #xmlel{name = <<"csi">>,
|
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@ -92,30 +211,100 @@ add_stream_feature(Features, _Host) ->
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children = []},
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[Feature | Features].
|
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|
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filter_presence(_Action, #xmlel{name = <<"presence">>, attrs = Attrs}) ->
|
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case fxml:get_attr(<<"type">>, Attrs) of
|
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{value, Type} when Type /= <<"unavailable">> ->
|
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?DEBUG("Got important presence stanza", []),
|
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{stop, send};
|
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%%--------------------------------------------------------------------
|
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%% Internal functions.
|
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%%--------------------------------------------------------------------
|
||||
|
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-spec queue_add(csi_type(), xmlel(), binary(), term())
|
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-> {stop, {term(), [xmlel()]}}.
|
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|
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queue_add(Type, Stanza, Host, C2SState) ->
|
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case get_queue(C2SState) of
|
||||
Queue when length(Queue) >= ?CSI_QUEUE_MAX ->
|
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?DEBUG("CSI queue too large, going to flush it", []),
|
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NewState = set_queue([], C2SState),
|
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{stop, {NewState, get_stanzas(Queue, Host) ++ [Stanza]}};
|
||||
Queue ->
|
||||
?DEBUG("Adding stanza to CSI queue", []),
|
||||
From = fxml:get_tag_attr_s(<<"from">>, Stanza),
|
||||
Key = {jid:tolower(jid:from_string(From)), Type},
|
||||
Entry = {Key, p1_time_compat:timestamp(), Stanza},
|
||||
NewQueue = lists:keystore(Key, 1, Queue, Entry),
|
||||
NewState = set_queue(NewQueue, C2SState),
|
||||
{stop, {NewState, []}}
|
||||
end.
|
||||
|
||||
-spec queue_take(xmlel(), binary(), term()) -> {stop, {term(), [xmlel()]}}.
|
||||
|
||||
queue_take(Stanza, Host, C2SState) ->
|
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From = fxml:get_tag_attr_s(<<"from">>, Stanza),
|
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{LUser, LServer, _LResource} = jid:tolower(jid:from_string(From)),
|
||||
{Selected, Rest} = lists:partition(
|
||||
fun({{{U, S, _R}, _Type}, _Time, _Stanza}) ->
|
||||
U == LUser andalso S == LServer
|
||||
end, get_queue(C2SState)),
|
||||
NewState = set_queue(Rest, C2SState),
|
||||
{stop, {NewState, get_stanzas(Selected, Host) ++ [Stanza]}}.
|
||||
|
||||
-spec set_queue(csi_queue(), term()) -> term().
|
||||
|
||||
set_queue(Queue, C2SState) ->
|
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ejabberd_c2s:set_aux_field(csi_queue, Queue, C2SState).
|
||||
|
||||
-spec get_queue(term()) -> csi_queue().
|
||||
|
||||
get_queue(C2SState) ->
|
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case ejabberd_c2s:get_aux_field(csi_queue, C2SState) of
|
||||
{ok, Queue} ->
|
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Queue;
|
||||
error ->
|
||||
[]
|
||||
end.
|
||||
|
||||
-spec get_stanzas(csi_queue(), binary()) -> [xmlel()].
|
||||
|
||||
get_stanzas(Queue, Host) ->
|
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lists:map(fun({_Key, Time, Stanza}) ->
|
||||
jlib:add_delay_info(Stanza, Host, Time,
|
||||
<<"Client Inactive">>)
|
||||
end, Queue).
|
||||
|
||||
-spec find_pep(xmlel()) -> {pep, binary(), binary()} | false.
|
||||
|
||||
find_pep(#xmlel{name = <<"message">>} = Stanza) ->
|
||||
From = fxml:get_tag_attr_s(<<"from">>, Stanza),
|
||||
case jid:from_string(From) of
|
||||
#jid{luser = <<>>} -> % It's not PEP.
|
||||
false;
|
||||
_ ->
|
||||
?DEBUG("Got availability presence stanza", []),
|
||||
{stop, queue}
|
||||
end;
|
||||
filter_presence(Action, _Stanza) -> Action.
|
||||
case fxml:get_subtag_with_xmlns(Stanza, <<"event">>,
|
||||
?NS_PUBSUB_EVENT) of
|
||||
#xmlel{children = Els} ->
|
||||
get_pep_node_and_xmlns(fxml:remove_cdata(Els));
|
||||
false ->
|
||||
false
|
||||
end
|
||||
end.
|
||||
|
||||
filter_chat_states(_Action, #xmlel{name = <<"message">>} = Stanza) ->
|
||||
case jlib:is_standalone_chat_state(Stanza) of
|
||||
true ->
|
||||
?DEBUG("Got standalone chat state notification", []),
|
||||
{stop, drop};
|
||||
false ->
|
||||
?DEBUG("Got message stanza", []),
|
||||
{stop, send}
|
||||
end;
|
||||
filter_chat_states(Action, _Stanza) -> Action.
|
||||
-spec get_pep_node_and_xmlns([xmlel()]) -> {pep, binary(), binary()} | false.
|
||||
|
||||
mod_opt_type(drop_chat_states) ->
|
||||
fun(B) when is_boolean(B) -> B end;
|
||||
mod_opt_type(queue_presence) ->
|
||||
fun(B) when is_boolean(B) -> B end;
|
||||
mod_opt_type(_) -> [drop_chat_states, queue_presence].
|
||||
get_pep_node_and_xmlns([#xmlel{name = <<"items">>, attrs = ItemsAttrs,
|
||||
children = Item}]) ->
|
||||
case {fxml:get_attr(<<"node">>, ItemsAttrs), fxml:remove_cdata(Item)} of
|
||||
{{value, Node}, [#xmlel{name = <<"item">>, children = Payload}]} ->
|
||||
case fxml:remove_cdata(Payload) of
|
||||
[#xmlel{attrs = PayloadAttrs}] ->
|
||||
case fxml:get_attr(<<"xmlns">>, PayloadAttrs) of
|
||||
{value, XMLNS} ->
|
||||
{value, {pep, Node, XMLNS}};
|
||||
false ->
|
||||
false
|
||||
end;
|
||||
_ ->
|
||||
false
|
||||
end;
|
||||
_ ->
|
||||
false
|
||||
end;
|
||||
get_pep_node_and_xmlns(_) ->
|
||||
false.
|
||||
|
||||
@ -2255,15 +2255,46 @@ client_state_master(Config) ->
|
||||
ChatState = #message{to = Peer, thread = <<"1">>,
|
||||
sub_els = [#chatstate{type = active}]},
|
||||
Message = ChatState#message{body = [#text{data = <<"body">>}]},
|
||||
PepPayload = xmpp_codec:encode(#presence{}),
|
||||
PepOne = #message{
|
||||
to = Peer,
|
||||
sub_els =
|
||||
[#pubsub_event{
|
||||
items =
|
||||
[#pubsub_event_items{
|
||||
node = <<"foo-1">>,
|
||||
items =
|
||||
[#pubsub_event_item{
|
||||
id = <<"pep-1">>,
|
||||
xml_els = [PepPayload]}]}]}]},
|
||||
PepTwo = #message{
|
||||
to = Peer,
|
||||
sub_els =
|
||||
[#pubsub_event{
|
||||
items =
|
||||
[#pubsub_event_items{
|
||||
node = <<"foo-2">>,
|
||||
items =
|
||||
[#pubsub_event_item{
|
||||
id = <<"pep-2">>,
|
||||
xml_els = [PepPayload]}]}]}]},
|
||||
%% Wait for the slave to become inactive.
|
||||
wait_for_slave(Config),
|
||||
%% Should be dropped:
|
||||
send(Config, ChatState),
|
||||
%% Should be queued (but see below):
|
||||
send(Config, Presence),
|
||||
%% Should replace the previous presence in the queue:
|
||||
send(Config, Presence#presence{type = unavailable}),
|
||||
%% Should be sent immediately, together with the previous presence:
|
||||
%% The following two PEP stanzas should be queued (but see below):
|
||||
send(Config, PepOne),
|
||||
send(Config, PepTwo),
|
||||
%% The following two PEP stanzas should replace the previous two:
|
||||
send(Config, PepOne),
|
||||
send(Config, PepTwo),
|
||||
%% Should be queued (but see below):
|
||||
send(Config, ChatState),
|
||||
%% Should replace the previous chat state in the queue:
|
||||
send(Config, ChatState#message{sub_els = [#chatstate{type = composing}]}),
|
||||
%% Should be sent immediately, together with the queued stanzas:
|
||||
send(Config, Message),
|
||||
%% Wait for the slave to become active.
|
||||
wait_for_slave(Config),
|
||||
@ -2277,6 +2308,31 @@ client_state_slave(Config) ->
|
||||
wait_for_master(Config),
|
||||
?recv1(#presence{from = Peer, type = unavailable,
|
||||
sub_els = [#delay{}]}),
|
||||
#message{
|
||||
from = Peer,
|
||||
sub_els =
|
||||
[#pubsub_event{
|
||||
items =
|
||||
[#pubsub_event_items{
|
||||
node = <<"foo-1">>,
|
||||
items =
|
||||
[#pubsub_event_item{
|
||||
id = <<"pep-1">>}]}]},
|
||||
#delay{}]} = recv(),
|
||||
#message{
|
||||
from = Peer,
|
||||
sub_els =
|
||||
[#pubsub_event{
|
||||
items =
|
||||
[#pubsub_event_items{
|
||||
node = <<"foo-2">>,
|
||||
items =
|
||||
[#pubsub_event_item{
|
||||
id = <<"pep-2">>}]}]},
|
||||
#delay{}]} = recv(),
|
||||
?recv1(#message{from = Peer, thread = <<"1">>,
|
||||
sub_els = [#chatstate{type = composing},
|
||||
#delay{}]}),
|
||||
?recv1(#message{from = Peer, thread = <<"1">>,
|
||||
body = [#text{data = <<"body">>}],
|
||||
sub_els = [#chatstate{type = active}]}),
|
||||
|
||||
@ -213,8 +213,9 @@ Welcome to this XMPP server."
|
||||
db_type: internal
|
||||
mod_carboncopy: []
|
||||
mod_client_state:
|
||||
drop_chat_states: true
|
||||
queue_presence: true
|
||||
queue_chat_states: true
|
||||
queue_pep: true
|
||||
mod_adhoc: []
|
||||
mod_configure: []
|
||||
mod_disco: []
|
||||
@ -269,8 +270,9 @@ Welcome to this XMPP server."
|
||||
db_type: internal
|
||||
mod_carboncopy: []
|
||||
mod_client_state:
|
||||
drop_chat_states: true
|
||||
queue_presence: true
|
||||
queue_chat_states: true
|
||||
queue_pep: true
|
||||
mod_adhoc: []
|
||||
mod_configure: []
|
||||
mod_disco: []
|
||||
|
||||
Loading…
Reference in New Issue
Block a user