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Remove mod_multicast 

The multicast code is included in ejabberd 15.04 and newer.
This commit is contained in:
Holger Weiss 2015-07-02 13:58:51 +02:00
parent 2a953da2fb
commit 16edbd5e7a
10 changed files with 0 additions and 9791 deletions
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343
mod_multicast/COPYING
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mod_multicast/ChangeLog
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2007-10-14 Badlop <badlop@ono.com>
* src/ejabberd_c2s.erl, src/mod_muc_room.erl: Updated to ejabberd trunk.
2007-09-30 Badlop <badlop@ono.com>
* src/mod_multicast.erl: Huge performance optimization on route_* functions.
2007-09-29 Badlop <badlop@ono.com>
* src/mod_multicast.erl: Huge reorganization of do_route* functions.
2007-08-18 Badlop <badlop@ono.com>
* src/mod_multicast.erl: Removed 'unrestricted' type of limits because it's unusued, as reported by Dialyzer.
2007-08-12 Badlop <badlop@ono.com>
* src/mod_multicast.erl: Local services are not inspected for ACL and Limits. Usage of stj() and jts() functions.
2007-08-11 Badlop <badlop@ono.com>
* src/ejabberd_route_multicast.erl: New router for multicast packets.
* src/ejabberd_route.erl: Removed.
* Emakefile: Updated.
* src/ejabberd.app: Updated.
* src/ejabberd_sup.erl: Updated.
* README.txt: Updated.
* src/mod_multicast.erl: Use the new multicast router.
* src/ejabberd_c2s.erl: Idem.
* src/mod_muc_room.erl: Idem.
* src/ejabberd.app: Added from ejabberd trunk.
* src/ejabberd_sup.erl: Idem.
* Emakefile: Updated.
2007-08-10 Badlop <badlop@ono.com>
* src/mod_muc_room.erl, src/ejabberd_router.erl,
src/ejabberd_c2s.erl: Updated to ejabberd trunk without patches.
* src/mod_multicast.erl: Implement XEP33 limits: 4) store limits, use them when sending to remote service. 5) Force service limits to incoming packets.
2007-08-09 Badlop <badlop@ono.com>
* src/mod_multicast.erl: Implement XEP33 limits: 3) receive remote limits.
2007-08-07 Badlop <badlop@ono.com>
* src/mod_multicast.erl: Fixed indentation. No differentiation
between user and server limits. In disco#info responses, report
only limits of interest.
2007-08-06 Badlop <badlop@ono.com>
* src/mod_multicast.erl: Implement XEP33 limits: 2) report custom limits.
2007-08-05 Badlop <badlop@ono.com>
* src/mod_multicast.erl: Implement XEP33 limits: 1) read options.
2007-08-04 Badlop <badlop@ono.com>
* ChangeLog: New file to track changes.
* README.txt: Removed Changelog section.
* src/ejabberd_c2s.erl,
src/ejabberd_router.erl,
src/mod_muc_room.erl,
src/mod_multicast.erl: Update
indentation using Emacs' erlang-mode.

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mod_multicast/README.txt
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mod_multicast - Extended Stanza Addressing (XEP-0033) support
NOTE: This module is included in ejabberd since 15.04
Homepage: http://ejabberd.jabber.ru/mod_multicast
Author: Badlop
DESCRIPTION
-----------
This module implements Extended Stanza Addressing (XEP-0033).
The development of this module is included on a Google Summer of Code 2007 project.
INSTALL
-------
1. Compile the module.
2. Copy the binary files to ejabberd ebin directory.
3. Edit ejabberd.yml and add the module to the list of modules:
mod_multicast: {}
4. Start ejabberd.
CONFIGURABLE PARAMETERS
-----------------------
host
Define the hostname of the service.
Default value: "multicast.SERVER"
access:
Specify who can send packets to the multicast service.
Default value: all
limits:
Specify a list of custom limits which override the default ones defined
in XEP-0033.
Limits are defined with this syntax: {Sender_type, Stanza_type, Number}
Where:
Sender_type can have values: local or remote.
Stanza_type can have values: message or presence.
Number can be a positive integer or the key word infinite.
Default value: []
EXAMPLE CONFIGURATION
---------------------
# Only admins can send packets to multicast service
access:
multicast:
admin: allow
all: deny
# If you want to allow all your users:
access:
multicast:
all: allow
# This allows both admins and remote users to send packets,
# but does not allow local users
acl:
allservers:
server_glob: "*"
access:
multicast:
admin: allow
local: deny
allservers: allow
modules:
mod_multicast:
host: "multicast.example.org"
access: multicast
limits, "> [ {local,message,40}, {local,presence,infinite}, {remote,message,150} ]."
TO DO
-----
Tasks to do:
- Consider anti-spam requirements
Feature requests:
- GUI with FORMS to allow users of non-capable clients to write XEP-33 packets easily
Could use mod_multicast somehow:
- mod_pubsub/mod_pep
- mod_irc

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mod_multicast/conf/mod_multicast.yml
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modules:
mod_multicast: {}

5
mod_multicast/mod_multicast.spec
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author: "Badlop <badlop at process-one.net>"
category: "service"
summary: "Extended Stanza Addressing (XEP-0033) support"
home: "https://github.com/processone/ejabberd-contrib/tree/master/"
url: "git@github.com:processone/ejabberd-contrib.git"

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mod_multicast/src/ejabberd_c2s.erl
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mod_multicast/src/ejabberd_router_multicast.erl
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%%%----------------------------------------------------------------------
%%% File : ejabberd_router_multicast.erl
%%% Author : Badlop <badlop@ono.com>
%%% Purpose : Multicast router
%%% Created : 11 Aug 2007 by Badlop <badlop@ono.com>
%%%----------------------------------------------------------------------
-module(ejabberd_router_multicast).
-author('alexey@sevcom.net').
-author('badlop@ono.com').
-behaviour(gen_server).
%% API
-export([route_multicast/4,
register_route/1,
unregister_route/1
]).
-export([start_link/0]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
terminate/2, code_change/3]).
-include("ejabberd.hrl").
-include("logger.hrl").
-include("jlib.hrl").
-record(route_multicast, {domain, pid}).
-record(state, {}).
%%====================================================================
%% API
%%====================================================================
%%--------------------------------------------------------------------
%% Function: start_link() -> {ok,Pid} | ignore | {error,Error}
%% Description: Starts the server
%%--------------------------------------------------------------------
start_link() ->
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
route_multicast(From, Domain, Destinations, Packet) ->
case catch do_route(From, Domain, Destinations, Packet) of
{'EXIT', Reason} ->
?ERROR_MSG("~p~nwhen processing: ~p",
[Reason, {From, Domain, Destinations, Packet}]);
_ ->
ok
end.
register_route(Domain) ->
case jlib:nameprep(Domain) of
error ->
erlang:error({invalid_domain, Domain});
LDomain ->
Pid = self(),
F = fun() ->
mnesia:write(#route_multicast{domain = LDomain,
pid = Pid})
end,
mnesia:transaction(F)
end.
unregister_route(Domain) ->
case jlib:nameprep(Domain) of
error ->
erlang:error({invalid_domain, Domain});
LDomain ->
Pid = self(),
F = fun() ->
case mnesia:select(route_multicast,
[{#route_multicast{pid = Pid, domain = LDomain, _ = '_'},
[],
['$_']}]) of
[R] -> mnesia:delete_object(R);
_ -> ok
end
end,
mnesia:transaction(F)
end.
%%====================================================================
%% gen_server callbacks
%%====================================================================
%%--------------------------------------------------------------------
%% Function: init(Args) -> {ok, State} |
%% {ok, State, Timeout} |
%% ignore |
%% {stop, Reason}
%% Description: Initiates the server
%%--------------------------------------------------------------------
init([]) ->
mnesia:create_table(route_multicast,
[{ram_copies, [node()]},
{type, bag},
{attributes,
record_info(fields, route_multicast)}]),
mnesia:add_table_copy(route_multicast, node(), ram_copies),
mnesia:subscribe({table, route_multicast, simple}),
lists:foreach(
fun(Pid) ->
erlang:monitor(process, Pid)
end,
mnesia:dirty_select(route_multicast, [{{route_multicast, '_', '$1'}, [], ['$1']}])),
{ok, #state{}}.
%%--------------------------------------------------------------------
%% Function: %% handle_call(Request, From, State) -> {reply, Reply, State} |
%% {reply, Reply, State, Timeout} |
%% {noreply, State} |
%% {noreply, State, Timeout} |
%% {stop, Reason, Reply, State} |
%% {stop, Reason, State}
%% Description: Handling call messages
%%--------------------------------------------------------------------
handle_call(_Request, _From, State) ->
Reply = ok,
{reply, Reply, State}.
%%--------------------------------------------------------------------
%% Function: handle_cast(Msg, State) -> {noreply, State} |
%% {noreply, State, Timeout} |
%% {stop, Reason, State}
%% Description: Handling cast messages
%%--------------------------------------------------------------------
handle_cast(_Msg, State) ->
{noreply, State}.
%%--------------------------------------------------------------------
%% Function: handle_info(Info, State) -> {noreply, State} |
%% {noreply, State, Timeout} |
%% {stop, Reason, State}
%% Description: Handling all non call/cast messages
%%--------------------------------------------------------------------
handle_info({route_multicast, From, Domain, Destinations, Packet}, State) ->
case catch do_route(From, Domain, Destinations, Packet) of
{'EXIT', Reason} ->
?ERROR_MSG("~p~nwhen processing: ~p",
[Reason, {From, Domain, Destinations, Packet}]);
_ ->
ok
end,
{noreply, State};
handle_info({mnesia_table_event, {write, #route_multicast{pid = Pid}, _ActivityId}},
State) ->
erlang:monitor(process, Pid),
{noreply, State};
handle_info({'DOWN', _Ref, _Type, Pid, _Info}, State) ->
F = fun() ->
Es = mnesia:select(
route_multicast,
[{#route_multicast{pid = Pid, _ = '_'},
[],
['$_']}]),
lists:foreach(
fun(E) ->
mnesia:delete_object(E)
end, Es)
end,
mnesia:transaction(F),
{noreply, State};
handle_info(_Info, State) ->
{noreply, State}.
%%--------------------------------------------------------------------
%% Function: terminate(Reason, State) -> void()
%% Description: This function is called by a gen_server when it is about to
%% terminate. It should be the opposite of Module:init/1 and do any necessary
%% cleaning up. When it returns, the gen_server terminates with Reason.
%% The return value is ignored.
%%--------------------------------------------------------------------
terminate(_Reason, _State) ->
ok.
%%--------------------------------------------------------------------
%% Func: code_change(OldVsn, State, Extra) -> {ok, NewState}
%% Description: Convert process state when code is changed
%%--------------------------------------------------------------------
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
%% From = #jid
%% Destinations = [#jid]
do_route(From, Domain, Destinations, Packet) ->
?DEBUG("route_multicast~n\tfrom ~s~n\tdomain ~s~n\tdestinations ~p~n\tpacket ~p~n",
[jlib:jid_to_string(From),
Domain,
[jlib:jid_to_string(To) || To <- Destinations],
Packet]),
{Groups, Rest} = lists:foldr(
fun(Dest, {Groups1, Rest1}) ->
case ejabberd_sm:get_session_pid(Dest#jid.luser, Dest#jid.lserver, Dest#jid.lresource) of
none ->
{Groups1, [Dest|Rest1]};
Pid ->
Node = node(Pid),
if Node /= node() ->
{dict:append(Node, Dest, Groups1), Rest1};
true ->
{Groups1, [Dest|Rest1]}
end
end
end, {dict:new(), []}, Destinations),
dict:map(
fun(Node, [Single]) ->
ejabberd_cluster:send({ejabberd_sm, Node},
{route, From, Single, Packet});
(Node, Dests) ->
ejabberd_cluster:send({ejabberd_sm, Node},
{route_multiple, From, Dests, Packet})
end, Groups),
%% Try to find an appropriate multicast service
case mnesia:dirty_read(route_multicast, Domain) of
%% If no multicast service is available in this server, send manually
[] -> do_route_normal(From, Rest, Packet);
%% If available, send the packet using multicast service
[R] ->
case R#route_multicast.pid of
Pid when is_pid(Pid) ->
Pid ! {route_trusted, From, Rest, Packet};
_ -> do_route_normal(From, Rest, Packet)
end
end.
do_route_normal(From, Destinations, Packet) ->
[ejabberd_router:route(From, To, Packet) || To <- Destinations].

199
mod_multicast/src/ejabberd_sup.erl
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@ -1,199 +0,0 @@
%%%----------------------------------------------------------------------
%%% File : ejabberd_sup.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Erlang/OTP supervisor
%%% Created : 31 Jan 2003 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2014 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(ejabberd_sup).
-author('alexey@process-one.net').
-behaviour(supervisor).
-export([start_link/0, init/1]).
start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []).
init([]) ->
Hooks =
{ejabberd_hooks,
{ejabberd_hooks, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_hooks]},
NodeGroups =
{ejabberd_node_groups,
{ejabberd_node_groups, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_node_groups]},
SystemMonitor =
{ejabberd_system_monitor,
{ejabberd_system_monitor, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_system_monitor]},
Router =
{ejabberd_router,
{ejabberd_router, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_router]},
Router_multicast =
{ejabberd_router_multicast,
{ejabberd_router_multicast, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_router_multicast]},
SM =
{ejabberd_sm,
{ejabberd_sm, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_sm]},
S2S =
{ejabberd_s2s,
{ejabberd_s2s, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_s2s]},
Local =
{ejabberd_local,
{ejabberd_local, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_local]},
Captcha =
{ejabberd_captcha,
{ejabberd_captcha, start_link, []},
permanent,
brutal_kill,
worker,
[ejabberd_captcha]},
Listener =
{ejabberd_listener,
{ejabberd_listener, start_link, []},
permanent,
infinity,
supervisor,
[ejabberd_listener]},
ReceiverSupervisor =
{ejabberd_receiver_sup,
{ejabberd_tmp_sup, start_link,
[ejabberd_receiver_sup, ejabberd_receiver]},
permanent,
infinity,
supervisor,
[ejabberd_tmp_sup]},
C2SSupervisor =
{ejabberd_c2s_sup,
{ejabberd_tmp_sup, start_link, [ejabberd_c2s_sup, ejabberd_c2s]},
permanent,
infinity,
supervisor,
[ejabberd_tmp_sup]},
S2SInSupervisor =
{ejabberd_s2s_in_sup,
{ejabberd_tmp_sup, start_link,
[ejabberd_s2s_in_sup, ejabberd_s2s_in]},
permanent,
infinity,
supervisor,
[ejabberd_tmp_sup]},
S2SOutSupervisor =
{ejabberd_s2s_out_sup,
{ejabberd_tmp_sup, start_link,
[ejabberd_s2s_out_sup, ejabberd_s2s_out]},
permanent,
infinity,
supervisor,
[ejabberd_tmp_sup]},
ServiceSupervisor =
{ejabberd_service_sup,
{ejabberd_tmp_sup, start_link,
[ejabberd_service_sup, ejabberd_service]},
permanent,
infinity,
supervisor,
[ejabberd_tmp_sup]},
HTTPSupervisor =
{ejabberd_http_sup,
{ejabberd_tmp_sup, start_link,
[ejabberd_http_sup, ejabberd_http]},
permanent,
infinity,
supervisor,
[ejabberd_tmp_sup]},
HTTPPollSupervisor =
{ejabberd_http_poll_sup,
{ejabberd_tmp_sup, start_link,
[ejabberd_http_poll_sup, ejabberd_http_poll]},
permanent,
infinity,
supervisor,
[ejabberd_tmp_sup]},
FrontendSocketSupervisor =
{ejabberd_frontend_socket_sup,
{ejabberd_tmp_sup, start_link,
[ejabberd_frontend_socket_sup, ejabberd_frontend_socket]},
permanent,
infinity,
supervisor,
[ejabberd_tmp_sup]},
IQSupervisor =
{ejabberd_iq_sup,
{ejabberd_tmp_sup, start_link,
[ejabberd_iq_sup, gen_iq_handler]},
permanent,
infinity,
supervisor,
[ejabberd_tmp_sup]},
{ok, {{one_for_one, 10, 1},
[Hooks,
NodeGroups,
SystemMonitor,
Router,
Router_multicast,
SM,
S2S,
Local,
Captcha,
ReceiverSupervisor,
C2SSupervisor,
S2SInSupervisor,
S2SOutSupervisor,
ServiceSupervisor,
HTTPSupervisor,
HTTPPollSupervisor,
IQSupervisor,
FrontendSocketSupervisor,
Listener]}}.

4525
mod_multicast/src/mod_muc_room.erl
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1176
mod_multicast/src/mod_multicast.erl
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