diff options
author | Adam Kocoloski <adam@cloudant.com> | 2010-08-11 15:52:06 -0400 |
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committer | Adam Kocoloski <adam@cloudant.com> | 2010-08-11 17:39:38 -0400 |
commit | 498d5c85681ddfea577377b8e10051fb445ac0c2 (patch) | |
tree | 10c4d32773d703374d000f7dc0ae3988f6926366 /src/mochiweb/mochiweb_socket_server.erl | |
parent | 7e67565d2241783b5f24a37400ddae83b00c7a81 (diff) |
move mochiweb to rebar layout
Diffstat (limited to 'src/mochiweb/mochiweb_socket_server.erl')
-rw-r--r-- | src/mochiweb/mochiweb_socket_server.erl | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/src/mochiweb/mochiweb_socket_server.erl b/src/mochiweb/mochiweb_socket_server.erl deleted file mode 100644 index 7aafe290..00000000 --- a/src/mochiweb/mochiweb_socket_server.erl +++ /dev/null @@ -1,248 +0,0 @@ -%% @author Bob Ippolito <bob@mochimedia.com> -%% @copyright 2007 Mochi Media, Inc. - -%% @doc MochiWeb socket server. - --module(mochiweb_socket_server). --author('bob@mochimedia.com'). --behaviour(gen_server). - --export([start/1, stop/1]). --export([init/1, handle_call/3, handle_cast/2, terminate/2, code_change/3, - handle_info/2]). --export([get/2]). - --export([acceptor_loop/1]). - --record(mochiweb_socket_server, - {port, - loop, - name=undefined, - max=2048, - ip=any, - listen=null, - acceptor=null, - backlog=128}). - -start(State=#mochiweb_socket_server{}) -> - start_server(State); -start(Options) -> - start(parse_options(Options)). - -get(Name, Property) -> - gen_server:call(Name, {get, Property}). - -stop(Name) when is_atom(Name) -> - gen_server:cast(Name, stop); -stop(Pid) when is_pid(Pid) -> - gen_server:cast(Pid, stop); -stop({local, Name}) -> - stop(Name); -stop({global, Name}) -> - stop(Name); -stop(Options) -> - State = parse_options(Options), - stop(State#mochiweb_socket_server.name). - -%% Internal API - -parse_options(Options) -> - parse_options(Options, #mochiweb_socket_server{}). - -parse_options([], State) -> - State; -parse_options([{name, L} | Rest], State) when is_list(L) -> - Name = {local, list_to_atom(L)}, - parse_options(Rest, State#mochiweb_socket_server{name=Name}); -parse_options([{name, A} | Rest], State) when is_atom(A) -> - Name = {local, A}, - parse_options(Rest, State#mochiweb_socket_server{name=Name}); -parse_options([{name, Name} | Rest], State) -> - parse_options(Rest, State#mochiweb_socket_server{name=Name}); -parse_options([{port, L} | Rest], State) when is_list(L) -> - Port = list_to_integer(L), - parse_options(Rest, State#mochiweb_socket_server{port=Port}); -parse_options([{port, Port} | Rest], State) -> - parse_options(Rest, State#mochiweb_socket_server{port=Port}); -parse_options([{ip, Ip} | Rest], State) -> - ParsedIp = case Ip of - any -> - any; - Ip when is_tuple(Ip) -> - Ip; - Ip when is_list(Ip) -> - {ok, IpTuple} = inet_parse:address(Ip), - IpTuple - end, - parse_options(Rest, State#mochiweb_socket_server{ip=ParsedIp}); -parse_options([{loop, Loop} | Rest], State) -> - parse_options(Rest, State#mochiweb_socket_server{loop=Loop}); -parse_options([{backlog, Backlog} | Rest], State) -> - parse_options(Rest, State#mochiweb_socket_server{backlog=Backlog}); -parse_options([{max, Max} | Rest], State) -> - MaxInt = case Max of - Max when is_list(Max) -> - list_to_integer(Max); - Max when is_integer(Max) -> - Max - end, - parse_options(Rest, State#mochiweb_socket_server{max=MaxInt}). - -start_server(State=#mochiweb_socket_server{name=Name}) -> - case Name of - undefined -> - gen_server:start_link(?MODULE, State, []); - _ -> - gen_server:start_link(Name, ?MODULE, State, []) - end. - -ipv6_supported() -> - case (catch inet:getaddr("localhost", inet6)) of - {ok, _Addr} -> - true; - {error, _} -> - false - end. - -init(State=#mochiweb_socket_server{ip=Ip, port=Port, backlog=Backlog}) -> - process_flag(trap_exit, true), - BaseOpts = [binary, - {reuseaddr, true}, - {packet, 0}, - {backlog, Backlog}, - {recbuf, 8192}, - {active, false}, - {nodelay, true}], - Opts = case Ip of - any -> - case ipv6_supported() of % IPv4, and IPv6 if supported - true -> [inet, inet6 | BaseOpts]; - _ -> BaseOpts - end; - {_, _, _, _} -> % IPv4 - [inet, {ip, Ip} | BaseOpts]; - {_, _, _, _, _, _, _, _} -> % IPv6 - [inet6, {ip, Ip} | BaseOpts] - end, - case gen_tcp_listen(Port, Opts, State) of - {stop, eacces} -> - case Port < 1024 of - true -> - case fdsrv:start() of - {ok, _} -> - case fdsrv:bind_socket(tcp, Port) of - {ok, Fd} -> - gen_tcp_listen(Port, [{fd, Fd} | Opts], State); - _ -> - {stop, fdsrv_bind_failed} - end; - _ -> - {stop, fdsrv_start_failed} - end; - false -> - {stop, eacces} - end; - Other -> - Other - end. - -gen_tcp_listen(Port, Opts, State) -> - case gen_tcp:listen(Port, Opts) of - {ok, Listen} -> - {ok, ListenPort} = inet:port(Listen), - {ok, new_acceptor(State#mochiweb_socket_server{listen=Listen, - port=ListenPort})}; - {error, Reason} -> - {stop, Reason} - end. - -new_acceptor(State=#mochiweb_socket_server{max=0}) -> - io:format("Not accepting new connections~n"), - State#mochiweb_socket_server{acceptor=null}; -new_acceptor(State=#mochiweb_socket_server{listen=Listen,loop=Loop}) -> - Pid = proc_lib:spawn_link(?MODULE, acceptor_loop, - [{self(), Listen, Loop}]), - State#mochiweb_socket_server{acceptor=Pid}. - -call_loop({M, F}, Socket) -> - M:F(Socket); -call_loop(Loop, Socket) -> - Loop(Socket). - -acceptor_loop({Server, Listen, Loop}) -> - case catch gen_tcp:accept(Listen) of - {ok, Socket} -> - gen_server:cast(Server, {accepted, self()}), - call_loop(Loop, Socket); - {error, closed} -> - exit({error, closed}); - Other -> - error_logger:error_report( - [{application, mochiweb}, - "Accept failed error", - lists:flatten(io_lib:format("~p", [Other]))]), - exit({error, accept_failed}) - end. - - -do_get(port, #mochiweb_socket_server{port=Port}) -> - Port. - -handle_call({get, Property}, _From, State) -> - Res = do_get(Property, State), - {reply, Res, State}; -handle_call(_Message, _From, State) -> - Res = error, - {reply, Res, State}. - -handle_cast({accepted, Pid}, - State=#mochiweb_socket_server{acceptor=Pid, max=Max}) -> - % io:format("accepted ~p~n", [Pid]), - State1 = State#mochiweb_socket_server{max=Max - 1}, - {noreply, new_acceptor(State1)}; -handle_cast(stop, State) -> - {stop, normal, State}. - -terminate(_Reason, #mochiweb_socket_server{listen=Listen, port=Port}) -> - gen_tcp:close(Listen), - case Port < 1024 of - true -> - catch fdsrv:stop(), - ok; - false -> - ok - end. - -code_change(_OldVsn, State, _Extra) -> - State. - -handle_info({'EXIT', Pid, normal}, - State=#mochiweb_socket_server{acceptor=Pid}) -> - % io:format("normal acceptor down~n"), - {noreply, new_acceptor(State)}; -handle_info({'EXIT', Pid, Reason}, - State=#mochiweb_socket_server{acceptor=Pid}) -> - error_logger:error_report({?MODULE, ?LINE, - {acceptor_error, Reason}}), - timer:sleep(100), - {noreply, new_acceptor(State)}; -handle_info({'EXIT', _LoopPid, Reason}, - State=#mochiweb_socket_server{acceptor=Pid, max=Max}) -> - case Reason of - normal -> - ok; - _ -> - error_logger:error_report({?MODULE, ?LINE, - {child_error, Reason}}) - end, - State1 = State#mochiweb_socket_server{max=Max + 1}, - State2 = case Pid of - null -> - new_acceptor(State1); - _ -> - State1 - end, - {noreply, State2}; -handle_info(Info, State) -> - error_logger:info_report([{'INFO', Info}, {'State', State}]), - {noreply, State}. |