diff options
Diffstat (limited to 'lib/inets/src/http_server/httpd_request_handler.erl')
| -rw-r--r-- | lib/inets/src/http_server/httpd_request_handler.erl | 97 |
1 files changed, 17 insertions, 80 deletions
diff --git a/lib/inets/src/http_server/httpd_request_handler.erl b/lib/inets/src/http_server/httpd_request_handler.erl index ea7a17e40d..bd37066ff6 100644 --- a/lib/inets/src/http_server/httpd_request_handler.erl +++ b/lib/inets/src/http_server/httpd_request_handler.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2012. All Rights Reserved. +%% Copyright Ericsson AB 1997-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -25,7 +25,7 @@ -behaviour(gen_server). %% Application internal API --export([start/2, start/3, socket_ownership_transfered/3]). +-export([start_link/2, start_link/3, socket_ownership_transfered/3]). %% gen_server callbacks -export([init/1, handle_call/3, handle_cast/2, handle_info/2, @@ -57,10 +57,10 @@ %% Description: Starts a httpd-request handler process. Intended to be %% called by the httpd acceptor process. %%-------------------------------------------------------------------- -start(Manager, ConfigDB) -> - start(Manager, ConfigDB, 15000). -start(Manager, ConfigDB, AcceptTimeout) -> - proc_lib:start(?MODULE, init, [[Manager, ConfigDB,AcceptTimeout]]). +start_link(Manager, ConfigDB) -> + start_link(Manager, ConfigDB, 15000). +start_link(Manager, ConfigDB, AcceptTimeout) -> + proc_lib:start_link(?MODULE, init, [[Manager, ConfigDB,AcceptTimeout]]). %%-------------------------------------------------------------------- @@ -87,34 +87,27 @@ socket_ownership_transfered(Pid, SocketType, Socket) -> %% gen_server provides is needed. %%-------------------------------------------------------------------- init([Manager, ConfigDB, AcceptTimeout]) -> - ?hdrd("initiate", - [{manager, Manager}, {cdb, ConfigDB}, {timeout, AcceptTimeout}]), + process_flag(trap_exit, true), %% Make sure this process terminates if the httpd manager process %% should die! - link(Manager), + %%link(Manager), %% At this point the function httpd_request_handler:start/2 will return. proc_lib:init_ack({ok, self()}), {SocketType, Socket} = await_socket_ownership_transfer(AcceptTimeout), - ?hdrd("socket ownership transfered", - [{socket_type, SocketType}, {socket, Socket}]), - + TimeOut = httpd_util:lookup(ConfigDB, keep_alive_timeout, 150000), Then = erlang:now(), - ?hdrd("negotiate", []), case http_transport:negotiate(SocketType, Socket, TimeOut) of - {error, Error} -> - ?hdrd("negotiation failed", [{error, Error}]), + {error, _Error} -> exit(shutdown); %% Can be 'normal'. ok -> - ?hdrt("negotiation successfull", []), NewTimeout = TimeOut - timer:now_diff(now(),Then) div 1000, continue_init(Manager, ConfigDB, SocketType, Socket, NewTimeout) end. continue_init(Manager, ConfigDB, SocketType, Socket, TimeOut) -> - ?hdrt("continue init", [{timeout, TimeOut}]), Resolve = http_transport:resolve(), Peername = httpd_socket:peername(SocketType, Socket), @@ -139,14 +132,10 @@ continue_init(Manager, ConfigDB, SocketType, Socket, TimeOut) -> max_keep_alive_request = NrOfRequest, mfa = MFA}, - ?hdrt("activate request timeout", []), - - ?hdrt("set socket options (binary, packet & active)", []), http_transport:setopts(SocketType, Socket, [binary, {packet, 0}, {active, once}]), NewState = data_receive_counter(activate_request_timeout(State), httpd_util:lookup(ConfigDB, minimum_bytes_per_second, false)), - ?hdrt("init done", []), - gen_server:enter_loop(?MODULE, [], NewState). + gen_server:enter_loop(?MODULE, [], NewState). %%==================================================================== @@ -195,18 +184,13 @@ handle_cast(Msg, #state{mod = ModData} = State) -> %% Description: Handling all non call/cast messages %%-------------------------------------------------------------------- handle_info({Proto, Socket, Data}, - #state{mfa = {Module, Function, Args} = MFA, + #state{mfa = {Module, Function, Args}, mod = #mod{socket_type = SockType, socket = Socket} = ModData} = State) when (((Proto =:= tcp) orelse (Proto =:= ssl) orelse (Proto =:= dummy)) andalso is_binary(Data)) -> - ?hdrd("received data", - [{data, Data}, {proto, Proto}, - {socket, Socket}, {socket_type, SockType}, {mfa, MFA}]), - -%% case (catch Module:Function([Data | Args])) of PROCESSED = (catch Module:Function([Data | Args])), NewDataSize = case State#state.byte_limit of undefined -> @@ -214,10 +198,8 @@ handle_info({Proto, Socket, Data}, _ -> State#state.data + byte_size(Data) end, - ?hdrt("data processed", [{processing_result, PROCESSED}]), case PROCESSED of {ok, Result} -> - ?hdrd("data processed", [{result, Result}]), NewState = case NewDataSize of undefined -> cancel_request_timeout(State); @@ -227,7 +209,6 @@ handle_info({Proto, Socket, Data}, handle_http_msg(Result, NewState); {error, {uri_too_long, MaxSize}, Version} -> - ?hdrv("uri too long", [{max_size, MaxSize}, {version, Version}]), NewModData = ModData#mod{http_version = Version}, httpd_response:send_status(NewModData, 414, "URI too long"), Reason = io_lib:format("Uri too long, max size is ~p~n", @@ -236,8 +217,6 @@ handle_info({Proto, Socket, Data}, {stop, normal, State#state{response_sent = true, mod = NewModData}}; {error, {header_too_long, MaxSize}, Version} -> - ?hdrv("header too long", - [{max_size, MaxSize}, {version, Version}]), NewModData = ModData#mod{http_version = Version}, httpd_response:send_status(NewModData, 413, "Header too long"), Reason = io_lib:format("Header too long, max size is ~p~n", @@ -246,7 +225,6 @@ handle_info({Proto, Socket, Data}, {stop, normal, State#state{response_sent = true, mod = NewModData}}; NewMFA -> - ?hdrd("data processed - reactivate socket", [{new_mfa, NewMFA}]), http_transport:setopts(SockType, Socket, [{active, once}]), case NewDataSize of undefined -> @@ -293,6 +271,10 @@ handle_info(check_data, #state{data = Data, byte_limit = Byte_Limit} = State) -> _ -> {stop, normal, State#state{response_sent = true}} end; + +handle_info({'EXIT', _, Reason}, State) -> + {stop, Reason, State}; + %% Default case handle_info(Info, #state{mod = ModData} = State) -> Error = lists:flatten( @@ -324,10 +306,8 @@ terminate(Reason, #state{response_sent = false, mod = ModData} = State) -> terminate(_Reason, State) -> do_terminate(State). -do_terminate(#state{mod = ModData, manager = Manager} = State) -> - catch httpd_manager:done_connection(Manager), +do_terminate(#state{mod = ModData} = State) -> cancel_request_timeout(State), - %% receive after 5000 -> ok end, httpd_socket:close(ModData#mod.socket_type, ModData#mod.socket). @@ -355,30 +335,24 @@ await_socket_ownership_transfer(AcceptTimeout) -> handle_http_msg({_, _, Version, {_, _}, _}, #state{status = busy, mod = ModData} = State) -> - ?hdrt("handle http msg when manager busy", [{mod, ModData}]), handle_manager_busy(State#state{mod = ModData#mod{http_version = Version}}), {stop, normal, State}; handle_http_msg({_, _, Version, {_, _}, _}, #state{status = blocked, mod = ModData} = State) -> - ?hdrt("handle http msg when manager blocket", [{mod, ModData}]), handle_manager_blocked(State#state{mod = ModData#mod{http_version = Version}}), {stop, normal, State}; handle_http_msg({Method, Uri, Version, {RecordHeaders, Headers}, Body}, #state{status = accept, mod = ModData} = State) -> - ?hdrt("handle http msg when manager accepting", - [{method, Method}, {mod, ModData}]), case httpd_request:validate(Method, Uri, Version) of ok -> - ?hdrt("request validated", []), {ok, NewModData} = httpd_request:update_mod_data(ModData, Method, Uri, Version, Headers), - ?hdrt("new mod data", [{mod, NewModData}]), case is_host_specified_if_required(NewModData#mod.absolute_uri, RecordHeaders, Version) of true -> @@ -392,23 +366,18 @@ handle_http_msg({Method, Uri, Version, {RecordHeaders, Headers}, Body}, {stop, normal, State#state{response_sent = true}} end; {error, {not_supported, What}} -> - ?hdrd("validation failed: not supported", [{what, What}]), httpd_response:send_status(ModData#mod{http_version = Version}, 501, {Method, Uri, Version}), Reason = io_lib:format("Not supported: ~p~n", [What]), error_log(Reason, ModData), {stop, normal, State#state{response_sent = true}}; {error, {bad_request, {forbidden, URI}}} -> - ?hdrd("validation failed: bad request - forbidden", - [{uri, URI}]), httpd_response:send_status(ModData#mod{http_version = Version}, 403, URI), Reason = io_lib:format("Forbidden URI: ~p~n", [URI]), error_log(Reason, ModData), {stop, normal, State#state{response_sent = true}}; {error, {bad_request, {malformed_syntax, URI}}} -> - ?hdrd("validation failed: bad request - malformed syntax", - [{uri, URI}]), httpd_response:send_status(ModData#mod{http_version = Version}, 400, URI), Reason = io_lib:format("Malformed syntax in URI: ~p~n", [URI]), @@ -417,12 +386,9 @@ handle_http_msg({Method, Uri, Version, {RecordHeaders, Headers}, Body}, end; handle_http_msg({ChunkedHeaders, Body}, State = #state{headers = Headers}) -> - ?hdrt("handle http msg", - [{chunked_headers, ChunkedHeaders}, {body, Body}]), NewHeaders = http_chunk:handle_headers(Headers, ChunkedHeaders), handle_response(State#state{headers = NewHeaders, body = Body}); handle_http_msg(Body, State) -> - ?hdrt("handle http msg", [{body, Body}]), handle_response(State#state{body = Body}). handle_manager_busy(#state{mod = #mod{config_db = ConfigDB}} = State) -> @@ -445,7 +411,6 @@ is_host_specified_if_required(_, _, _) -> true. handle_body(#state{mod = #mod{config_db = ConfigDB}} = State) -> - ?hdrt("handle body", []), MaxHeaderSize = max_header_size(ConfigDB), MaxBodySize = max_body_size(ConfigDB), @@ -459,34 +424,22 @@ handle_body(#state{mod = #mod{config_db = ConfigDB}} = State) -> handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, MaxHeaderSize, MaxBodySize) -> - ?hdrt("handle body", [{headers, Headers}, {body, Body}]), case Headers#http_request_h.'transfer-encoding' of "chunked" -> - ?hdrt("chunked - attempt decode", []), case http_chunk:decode(Body, MaxBodySize, MaxHeaderSize) of {Module, Function, Args} -> - ?hdrt("chunk decoded", - [{module, Module}, - {function, Function}, - {args, Args}]), http_transport:setopts(ModData#mod.socket_type, ModData#mod.socket, [{active, once}]), {noreply, State#state{mfa = {Module, Function, Args}}}; {ok, {ChunkedHeaders, NewBody}} -> - ?hdrt("chunk decoded", - [{chunked_headers, ChunkedHeaders}, - {new_body, NewBody}]), NewHeaders = http_chunk:handle_headers(Headers, ChunkedHeaders), - ?hdrt("chunked - headers handled", - [{new_headers, NewHeaders}]), handle_response(State#state{headers = NewHeaders, body = NewBody}) end; Encoding when is_list(Encoding) -> - ?hdrt("not chunked - encoding", [{encoding, Encoding}]), httpd_response:send_status(ModData, 501, "Unknown Transfer-Encoding"), Reason = io_lib:format("Unknown Transfer-Encoding: ~p~n", @@ -494,17 +447,12 @@ handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, error_log(Reason, ModData), {stop, normal, State#state{response_sent = true}}; _ -> - ?hdrt("not chunked", []), Length = list_to_integer(Headers#http_request_h.'content-length'), case ((Length =< MaxBodySize) or (MaxBodySize == nolimit)) of true -> case httpd_request:whole_body(Body, Length) of {Module, Function, Args} -> - ?hdrt("whole body", - [{module, Module}, - {function, Function}, - {args, Args}]), http_transport:setopts(ModData#mod.socket_type, ModData#mod.socket, [{active, once}]), @@ -512,15 +460,11 @@ handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, {Module, Function, Args}}}; {ok, NewBody} -> - ?hdrt("whole body", - [{new_body, NewBody}]), handle_response( State#state{headers = Headers, body = NewBody}) end; false -> - ?hdrd("body too long", - [{length, Length}, {max_body_size, MaxBodySize}]), httpd_response:send_status(ModData, 413, "Body too long"), error_log("Body too long", ModData), {stop, normal, State#state{response_sent = true}} @@ -582,8 +526,6 @@ handle_response(#state{body = Body, mod = ModData, headers = Headers, max_keep_alive_request = Max} = State) when Max > 0 -> - ?hdrt("handle response", - [{body, Body}, {mod, ModData}, {headers, Headers}, {max, Max}]), {NewBody, Data} = httpd_request:body_data(Headers, Body), ok = httpd_response:generate_and_send_response( ModData#mod{entity_body = NewBody}), @@ -592,8 +534,6 @@ handle_response(#state{body = Body, handle_response(#state{body = Body, headers = Headers, mod = ModData} = State) -> - ?hdrt("handle response", - [{body, Body}, {mod, ModData}, {headers, Headers}]), {NewBody, _} = httpd_request:body_data(Headers, Body), ok = httpd_response:generate_and_send_response( ModData#mod{entity_body = NewBody}), @@ -601,7 +541,6 @@ handle_response(#state{body = Body, handle_next_request(#state{mod = #mod{connection = true} = ModData, max_keep_alive_request = Max} = State, Data) -> - ?hdrt("handle next request", [{max, Max}]), NewModData = #mod{socket_type = ModData#mod.socket_type, socket = ModData#mod.socket, @@ -630,11 +569,9 @@ handle_next_request(#state{mod = #mod{connection = true} = ModData, end; handle_next_request(State, _) -> - ?hdrt("handle next request - stop", []), {stop, normal, State}. activate_request_timeout(#state{timeout = Time} = State) -> - ?hdrt("activate request timeout", [{time, Time}]), Ref = erlang:send_after(Time, self(), timeout), State#state{timer = Ref}. data_receive_counter(State, Byte_limit) -> |