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mirror of https://github.com/processone/ejabberd.git synced 2024-12-02 16:37:52 +01:00
xmpp.chapril.org-ejabberd/src/mod_proxy65.erl
Evgeny Khramtsov 2168489ddf Don't retain module option on gen_mod supervisor
When module's options were updated (e.g. by reloading ejabberd.yml)
and, later, the module's process crashed, gen_mod supervisor
restarts the process with outdated options. This is now fixed.
2019-08-04 21:46:18 +03:00

142 lines
4.1 KiB
Erlang

%%%----------------------------------------------------------------------
%%% File : mod_proxy65.erl
%%% Author : Evgeniy Khramtsov <xram@jabber.ru>
%%% Purpose : Main supervisor.
%%% Created : 12 Oct 2006 by Evgeniy Khramtsov <xram@jabber.ru>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2019 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(mod_proxy65).
-author('xram@jabber.ru').
-protocol({xep, 65, '1.8'}).
-behaviour(gen_mod).
-behaviour(supervisor).
%% gen_mod callbacks.
-export([start/2, stop/1, reload/3]).
%% supervisor callbacks.
-export([init/1]).
-export([start_link/1, mod_opt_type/1, mod_options/1, depends/2]).
-define(PROCNAME, ejabberd_mod_proxy65).
-include("translate.hrl").
-callback init() -> any().
-callback register_stream(binary(), pid()) -> ok | {error, any()}.
-callback unregister_stream(binary()) -> ok | {error, any()}.
-callback activate_stream(binary(), binary(), pos_integer() | infinity, node()) ->
ok | {error, limit | conflict | notfound | term()}.
start(Host, Opts) ->
case mod_proxy65_service:add_listener(Host, Opts) of
{error, _} = Err ->
Err;
_ ->
Mod = gen_mod:ram_db_mod(global, ?MODULE),
Mod:init(),
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
ChildSpec = {Proc, {?MODULE, start_link, [Host]},
transient, infinity, supervisor, [?MODULE]},
supervisor:start_child(ejabberd_gen_mod_sup, ChildSpec)
end.
stop(Host) ->
case gen_mod:is_loaded_elsewhere(Host, ?MODULE) of
false ->
mod_proxy65_service:delete_listener(Host);
true ->
ok
end,
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
supervisor:terminate_child(ejabberd_gen_mod_sup, Proc),
supervisor:delete_child(ejabberd_gen_mod_sup, Proc).
reload(Host, NewOpts, OldOpts) ->
Mod = gen_mod:ram_db_mod(global, ?MODULE),
Mod:init(),
mod_proxy65_service:reload(Host, NewOpts, OldOpts).
start_link(Host) ->
Proc = gen_mod:get_module_proc(Host, ?PROCNAME),
supervisor:start_link({local, Proc}, ?MODULE, [Host]).
init([Host]) ->
Service = {mod_proxy65_service,
{mod_proxy65_service, start_link, [Host]},
transient, 5000, worker, [mod_proxy65_service]},
{ok, {{one_for_one, 10, 1}, [Service]}}.
depends(_Host, _Opts) ->
[].
mod_opt_type(access) ->
econf:acl();
mod_opt_type(hostname) ->
econf:host();
mod_opt_type(ip) ->
econf:ip();
mod_opt_type(name) ->
econf:binary();
mod_opt_type(port) ->
econf:port();
mod_opt_type(max_connections) ->
econf:pos_int(infinity);
mod_opt_type(host) ->
econf:host();
mod_opt_type(hosts) ->
econf:hosts();
mod_opt_type(ram_db_type) ->
econf:db_type(?MODULE);
mod_opt_type(server_host) ->
econf:binary();
mod_opt_type(auth_type) ->
econf:enum([plain, anonymous]);
mod_opt_type(recbuf) ->
econf:pos_int();
mod_opt_type(shaper) ->
econf:shaper();
mod_opt_type(sndbuf) ->
econf:pos_int();
mod_opt_type(vcard) ->
econf:vcard_temp().
mod_options(Host) ->
[{ram_db_type, ejabberd_config:default_ram_db(Host, ?MODULE)},
{access, all},
{host, <<"proxy.", Host/binary>>},
{hosts, []},
{hostname, undefined},
{ip, undefined},
{port, 7777},
{name, ?T("SOCKS5 Bytestreams")},
{vcard, undefined},
{max_connections, infinity},
{auth_type, anonymous},
{recbuf, 65536},
{sndbuf, 65536},
{shaper, none}].