mirror of
https://github.com/processone/ejabberd.git
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fddd6110e0
The changes are very similar to those from previous commit: * Now there is no need to pass validating function in gen_mod:get_opt() and gen_mod:get_module_opt() functions, because the modules' configuration keeps already validated values. * New functions gen_mod:get_opt/2 and gen_mod:get_module_opt/3 are introduced. * Functions gen_mod:get_opt/4 and get_module_opt/5 are deprecated. If the functions are still called, the "function" argument is simply ignored. * Validating callback Mod:listen_opt_type/1 is introduced to validate listening options at startup.
139 lines
4.4 KiB
Erlang
139 lines
4.4 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : mod_proxy65.erl
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%%% Author : Evgeniy Khramtsov <xram@jabber.ru>
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%%% Purpose : Main supervisor.
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%%% Created : 12 Oct 2006 by Evgeniy Khramtsov <xram@jabber.ru>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License along
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%%% with this program; if not, write to the Free Software Foundation, Inc.,
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%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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%%%
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%%%----------------------------------------------------------------------
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-module(mod_proxy65).
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-author('xram@jabber.ru').
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-protocol({xep, 65, '1.8'}).
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-behaviour(gen_mod).
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-behaviour(supervisor).
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%% gen_mod callbacks.
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-export([start/2, stop/1, reload/3, transform_module_options/1]).
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%% supervisor callbacks.
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-export([init/1]).
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-export([start_link/2, mod_opt_type/1, depends/2]).
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-define(PROCNAME, ejabberd_mod_proxy65).
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-callback init() -> any().
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-callback register_stream(binary(), pid()) -> ok | {error, any()}.
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-callback unregister_stream(binary()) -> ok | {error, any()}.
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-callback activate_stream(binary(), binary(), pos_integer() | infinity, node()) ->
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ok | {error, limit | conflict | notfound | term()}.
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start(Host, Opts) ->
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{ListenOpts, ModOpts} = lists:partition(
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fun({auth_type, _}) -> true;
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({recbuf, _}) -> true;
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({sndbuf, _}) -> true;
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({shaper, _}) -> true;
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(_) -> false
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end, Opts),
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case mod_proxy65_service:add_listener(Host, ListenOpts) of
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{error, _} = Err ->
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Err;
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_ ->
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Mod = gen_mod:ram_db_mod(global, ?MODULE),
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Mod:init(),
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Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
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ChildSpec = {Proc, {?MODULE, start_link, [Host, ModOpts]},
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transient, infinity, supervisor, [?MODULE]},
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supervisor:start_child(ejabberd_gen_mod_sup, ChildSpec)
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end.
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stop(Host) ->
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case gen_mod:is_loaded_elsewhere(Host, ?MODULE) of
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false ->
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mod_proxy65_service:delete_listener(Host);
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true ->
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ok
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end,
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Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
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supervisor:terminate_child(ejabberd_gen_mod_sup, Proc),
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supervisor:delete_child(ejabberd_gen_mod_sup, Proc).
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reload(Host, NewOpts, OldOpts) ->
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Mod = gen_mod:ram_db_mod(global, ?MODULE),
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Mod:init(),
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mod_proxy65_service:reload(Host, NewOpts, OldOpts).
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start_link(Host, Opts) ->
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Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
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supervisor:start_link({local, Proc}, ?MODULE,
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[Host, Opts]).
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transform_module_options(Opts) ->
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mod_proxy65_service:transform_module_options(Opts).
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init([Host, Opts]) ->
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Service = {mod_proxy65_service,
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{mod_proxy65_service, start_link, [Host, Opts]},
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transient, 5000, worker, [mod_proxy65_service]},
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StreamSupervisor = {ejabberd_mod_proxy65_sup,
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{ejabberd_tmp_sup, start_link,
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[gen_mod:get_module_proc(Host,
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ejabberd_mod_proxy65_sup),
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mod_proxy65_stream]},
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transient, infinity, supervisor, [ejabberd_tmp_sup]},
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{ok,
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{{one_for_one, 10, 1},
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[StreamSupervisor, Service]}}.
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depends(_Host, _Opts) ->
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[].
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mod_opt_type(access) -> fun acl:access_rules_validator/1;
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mod_opt_type(host) -> fun iolist_to_binary/1;
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mod_opt_type(hostname) -> fun iolist_to_binary/1;
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mod_opt_type(ip) ->
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fun (S) ->
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{ok, Addr} =
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inet_parse:address(binary_to_list(iolist_to_binary(S))),
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Addr
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end;
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mod_opt_type(name) -> fun iolist_to_binary/1;
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mod_opt_type(port) ->
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fun (P) when is_integer(P), P > 0, P < 65536 -> P end;
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mod_opt_type(max_connections) ->
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fun (I) when is_integer(I), I > 0 -> I;
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(infinity) -> infinity
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end;
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mod_opt_type(ram_db_type) ->
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fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
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mod_opt_type(Opt) ->
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case mod_proxy65_stream:listen_opt_type(Opt) of
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Opts when is_list(Opts) ->
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[access, host, hostname, ip, name, port,
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max_connections, ram_db_type] ++ Opts;
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Fun ->
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Fun
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end.
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