Created
January 11, 2012 09:04
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%%%------------------------------------------------------------------- | |
%%% @author devkato | |
%%% @copyright (C) 2012, devkato | |
%%% @doc | |
%%% | |
%%% @end | |
%%%------------------------------------------------------------------- | |
-module(erlproxy_sup). | |
-author("devkato"). | |
-vsn("0.0.1"). | |
-behaviour(supervisor). | |
%% API | |
-export([start_link/0]). | |
%% Supervisor callbacks | |
-export([init/1]). | |
%% Helper macro for declaring children of supervisor | |
-define(CHILD(I, Type), {I, {I, start_link, []}, permanent, 5000, Type, [I]}). | |
%% =================================================================== | |
%% API functions | |
%% =================================================================== | |
start_link() -> | |
supervisor:start_link({local, ?MODULE}, ?MODULE, []). | |
%% =================================================================== | |
%% Supervisor callbacks | |
%% =================================================================== | |
init([]) -> | |
{ok, InitOptions} = application:get_env(erlproxy, server_info), | |
ListenPort = proplists:get_value(port, InitOptions), | |
BindAddress = proplists:get_value(bind, InitOptions), | |
MaxConnections = proplists:get_value(max_connections, InitOptions), | |
SocketOptions = [ | |
binary, | |
{packet, raw}, | |
{ip, BindAddress}, | |
{reuseaddr, true}, | |
{active, false} | |
], | |
MonitorSpec = {erlproxy_monitor, | |
{erlproxy_monitor, start_link, []}, | |
permanent, 5000, worker, [erlproxy_monitor] | |
}, | |
case gen_tcp:listen(ListenPort, SocketOptions) of | |
{ok, ListenSocket} -> | |
Connections = [ | |
{{erlproxy_connection, N}, | |
{erlproxy_connection, start_link, [ListenSocket, ListenPort]}, | |
permanent, brutal_kill, worker, [erlproxy_connection] | |
} || N <- lists:seq(1, MaxConnections) ], | |
{ok, { {one_for_one, 5, 10}, lists:flatten([Connections, MonitorSpec])} }; | |
{error, Reason} -> | |
io:format("~p~n", [Reason]), | |
{error, Reason} | |
end. |
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