diff options
Diffstat (limited to 'lib/inets/src/http_client')
| -rw-r--r-- | lib/inets/src/http_client/httpc_handler.erl | 279 |
1 files changed, 118 insertions, 161 deletions
diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl index 784a9c0019..dd8f2b5a6d 100644 --- a/lib/inets/src/http_client/httpc_handler.erl +++ b/lib/inets/src/http_client/httpc_handler.erl @@ -257,7 +257,7 @@ handle_call(#request{address = Addr} = Request, _, session = #session{type = pipeline} = Session, timers = Timers, options = #options{proxy = Proxy} = _Options, - profile_name = ProfileName} = State) + profile_name = ProfileName} = State0) when Status =/= undefined -> ?hcrv("new request on a pipeline session", @@ -274,18 +274,18 @@ handle_call(#request{address = Addr} = Request, _, ?hcrd("request sent", []), %% Activate the request time out for the new request - NewState = - activate_request_timeout(State#state{request = Request}), + State1 = + activate_request_timeout(State0#state{request = Request}), ClientClose = httpc_request:is_client_closing(Request#request.headers), - case State#state.request of + case State0#state.request of #request{} -> %% Old request not yet finished ?hcrd("old request still not finished", []), %% Make sure to use the new value of timers in state - NewTimers = NewState#state.timers, - NewPipeline = queue:in(Request, State#state.pipeline), + NewTimers = State1#state.timers, + NewPipeline = queue:in(Request, State1#state.pipeline), NewSession = Session#session{queue_length = %% Queue + current @@ -293,9 +293,9 @@ handle_call(#request{address = Addr} = Request, _, client_close = ClientClose}, insert_session(NewSession, ProfileName), ?hcrd("session updated", []), - {reply, ok, State#state{pipeline = NewPipeline, - session = NewSession, - timers = NewTimers}}; + {reply, ok, State1#state{pipeline = NewPipeline, + session = NewSession, + timers = NewTimers}}; undefined -> %% Note: tcp-message receiving has already been %% activated by handle_pipeline/2. @@ -306,20 +306,15 @@ handle_call(#request{address = Addr} = Request, _, Session#session{queue_length = 1, client_close = ClientClose}, httpc_manager:insert_session(NewSession, ProfileName), - Relaxed = - (Request#request.settings)#http_options.relaxed, - MFA = {httpc_response, parse, - [State#state.max_header_size, Relaxed]}, NewTimers = Timers#timers{queue_timer = undefined}, ?hcrd("session created", []), - {reply, ok, NewState#state{request = Request, - session = NewSession, - mfa = MFA, - timers = NewTimers}} + State = init_wait_for_response_state(Request, State1#state{session = NewSession, + timers = NewTimers}), + {reply, ok, State} end; {error, Reason} -> ?hcri("failed sending request", [{reason, Reason}]), - {reply, {pipeline_failed, Reason}, State} + {reply, {pipeline_failed, Reason}, State0} end; handle_call(#request{address = Addr} = Request, _, @@ -327,7 +322,7 @@ handle_call(#request{address = Addr} = Request, _, session = #session{type = keep_alive} = Session, timers = Timers, options = #options{proxy = Proxy} = _Options, - profile_name = ProfileName} = State) + profile_name = ProfileName} = State0) when Status =/= undefined -> ?hcrv("new request on a keep-alive session", @@ -335,65 +330,54 @@ handle_call(#request{address = Addr} = Request, _, {profile, ProfileName}, {status, Status}]), - Address = handle_proxy(Addr, Proxy), - case httpc_request:send(Address, Session, Request) of - ok -> - - ?hcrd("request sent", []), - - %% Activate the request time out for the new request - NewState = - activate_request_timeout(State#state{request = Request}), - - ClientClose = - httpc_request:is_client_closing(Request#request.headers), - - case State#state.request of - #request{} -> %% Old request not yet finished - %% Make sure to use the new value of timers in state - ?hcrd("old request still not finished", []), - NewTimers = NewState#state.timers, - NewKeepAlive = queue:in(Request, State#state.keep_alive), - NewSession = - Session#session{queue_length = - %% Queue + current - queue:len(NewKeepAlive) + 1, - client_close = ClientClose}, - insert_session(NewSession, ProfileName), - ?hcrd("session updated", []), - {reply, ok, State#state{keep_alive = NewKeepAlive, - session = NewSession, - timers = NewTimers}}; - undefined -> - %% Note: tcp-message reciving has already been - %% activated by handle_pipeline/2. - ?hcrd("no current request", []), - cancel_timer(Timers#timers.queue_timer, - timeout_queue), - NewSession = - Session#session{queue_length = 1, - client_close = ClientClose}, - insert_session(NewSession, ProfileName), - Relaxed = - (Request#request.settings)#http_options.relaxed, - MFA = {httpc_response, parse, - [State#state.max_header_size, Relaxed]}, - {reply, ok, NewState#state{request = Request, - session = NewSession, - mfa = MFA}} - end; - - {error, Reason} -> - ?hcri("failed sending request", [{reason, Reason}]), - {reply, {request_failed, Reason}, State} + ClientClose = httpc_request:is_client_closing(Request#request.headers), + + case State0#state.request of + #request{} -> %% Old request not yet finished + %% Make sure to use the new value of timers in state + ?hcrd("old request still not finished", []), + NewKeepAlive = queue:in(Request, State0#state.keep_alive), + NewSession = + Session#session{queue_length = + %% Queue + current + queue:len(NewKeepAlive) + 1, + client_close = ClientClose}, + insert_session(NewSession, ProfileName), + ?hcrd("session updated", []), + {reply, ok, State0#state{keep_alive = NewKeepAlive, + session = NewSession}}; + undefined -> + %% Note: tcp-message reciving has already been + %% activated by handle_pipeline/2. + ?hcrd("no current request", []), + cancel_timer(Timers#timers.queue_timer, + timeout_queue), + Address = handle_proxy(Addr, Proxy), + case httpc_request:send(Address, Session, Request) of + ok -> + ?hcrd("request sent", []), + + %% Activate the request time out for the new request + State1 = + activate_request_timeout(State0#state{request = Request}), + NewTimers = State1#state.timers, + NewSession = + Session#session{queue_length = 1, + client_close = ClientClose}, + insert_session(NewSession, ProfileName), + State = init_wait_for_response_state(Request, State1#state{session = NewSession, + timers = NewTimers}), + {reply, ok, State}; + {error, Reason} -> + ?hcri("failed sending request", [{reason, Reason}]), + {reply, {request_failed, Reason}, State0} + end end; - handle_call(info, _, State) -> Info = handler_info(State), {reply, Info, State}. - %%-------------------------------------------------------------------- %% Function: handle_cast(Msg, State) -> {noreply, State} | %% {noreply, State, Timeout} | @@ -1239,8 +1223,7 @@ handle_queue(#state{status = pipeline} = State, Data) -> handle_pipeline(#state{status = pipeline, session = Session, profile_name = ProfileName, - options = #options{pipeline_timeout = TimeOut}} = - State, + options = #options{pipeline_timeout = TimeOut}} = State, Data) -> ?hcrd("handle pipeline", [{profile, ProfileName}, @@ -1250,25 +1233,7 @@ handle_pipeline(#state{status = pipeline, case queue:out(State#state.pipeline) of {empty, _} -> ?hcrd("pipeline queue empty", []), - - %% The server may choose too teminate an idle pipeline - %% in this case we want to receive the close message - %% at once and not when trying to pipeline the next - %% request. - activate_once(Session), - - %% If a pipeline that has been idle for some time is not - %% closed by the server, the client may want to close it. - NewState = activate_queue_timeout(TimeOut, State), - update_session(ProfileName, Session, #session.queue_length, 0), - %% Note mfa will be initilized when a new request - %% arrives. - {noreply, - NewState#state{request = undefined, - mfa = undefined, - status_line = undefined, - headers = undefined, - body = undefined}}; + handle_empty_queue(Session, ProfileName, TimeOut, State); {{value, NextRequest}, Pipeline} -> ?hcrd("pipeline queue non-empty", []), case lists:member(NextRequest#request.id, @@ -1286,38 +1251,17 @@ handle_pipeline(#state{status = pipeline, Session#session{queue_length = %% Queue + current queue:len(Pipeline) + 1}, - insert_session(NewSession, ProfileName), - Relaxed = - (NextRequest#request.settings)#http_options.relaxed, - MFA = {httpc_response, - parse, - [State#state.max_header_size, Relaxed]}, - NewState = - State#state{pipeline = Pipeline, - request = NextRequest, - mfa = MFA, - status_line = undefined, - headers = undefined, - body = undefined}, - case Data of - <<>> -> - activate_once(Session), - {noreply, NewState}; - _ -> - %% If we already received some bytes of - %% the next response - handle_info({httpc_handler, dummy, Data}, - NewState) - end + receive_response(NextRequest, + NewSession, Data, + State#state{pipeline = Pipeline}) end end. -handle_keep_alive_queue( - #state{status = keep_alive, - session = Session, - profile_name = ProfileName, - options = #options{keep_alive_timeout = TimeOut}} = State, - Data) -> +handle_keep_alive_queue(#state{status = keep_alive, + session = Session, + profile_name = ProfileName, + options = #options{keep_alive_timeout = TimeOut}} = State, + Data) -> ?hcrd("handle keep_alive", [{profile, ProfileName}, {session, Session}, @@ -1326,25 +1270,7 @@ handle_keep_alive_queue( case queue:out(State#state.keep_alive) of {empty, _} -> ?hcrd("keep_alive queue empty", []), - %% The server may choose too terminate an idle keep_alive session - %% in this case we want to receive the close message - %% at once and not when trying to send the next - %% request. - activate_once(Session), - %% If a keep_alive session has been idle for some time is not - %% closed by the server, the client may want to close it. - NewState = activate_queue_timeout(TimeOut, State), - update_session(ProfileName, Session, #session.queue_length, 0), - %% Note mfa will be initilized when a new request - %% arrives. - {noreply, - NewState#state{request = undefined, - mfa = undefined, - status_line = undefined, - headers = undefined, - body = undefined - } - }; + handle_empty_queue(Session, ProfileName, TimeOut, State); {{value, NextRequest}, KeepAlive} -> ?hcrd("keep_alive queue non-empty", []), case lists:member(NextRequest#request.id, @@ -1355,30 +1281,61 @@ handle_keep_alive_queue( State#state{keep_alive = KeepAlive}, Data); false -> ?hcrv("next request", [{request, NextRequest}]), - Relaxed = - (NextRequest#request.settings)#http_options.relaxed, - MFA = {httpc_response, parse, - [State#state.max_header_size, Relaxed]}, - NewState = - State#state{request = NextRequest, - keep_alive = KeepAlive, - mfa = MFA, - status_line = undefined, - headers = undefined, - body = undefined}, - case Data of - <<>> -> - activate_once(Session), - {noreply, NewState}; - _ -> - %% If we already received some bytes of - %% the next response - handle_info({httpc_handler, dummy, Data}, - NewState) + #request{address = Address} = NextRequest, + case httpc_request:send(Address, Session, NextRequest) of + ok -> + receive_response(NextRequest, + Session, <<>>, + State#state{keep_alive = KeepAlive}); + {error, Reason} -> + {reply, {keep_alive_failed, Reason}, State} end end end. +handle_empty_queue(Session, ProfileName, TimeOut, State) -> + %% The server may choose too terminate an idle pipline| keep_alive session + %% in this case we want to receive the close message + %% at once and not when trying to send the next + %% request. + activate_once(Session), + %% If a pipline | keep_alive session has been idle for some time is not + %% closed by the server, the client may want to close it. + NewState = activate_queue_timeout(TimeOut, State), + update_session(ProfileName, Session, #session.queue_length, 0), + %% Note mfa will be initilized when a new request + %% arrives. + {noreply, + NewState#state{request = undefined, + mfa = undefined, + status_line = undefined, + headers = undefined, + body = undefined + } + }. + +receive_response(Request, Session, Data, State) -> + NewState = init_wait_for_response_state(Request, State), + gather_data(Data, Session, NewState). + +init_wait_for_response_state(Request, State) -> + Relaxed = + (Request#request.settings)#http_options.relaxed, + MFA = {httpc_response, parse, + [State#state.max_header_size, Relaxed]}, + State#state{request = Request, + mfa = MFA, + status_line = undefined, + headers = undefined, + body = undefined}. + +gather_data(<<>>, Session, State) -> + activate_once(Session), + {noreply, State}; +gather_data(Data, _, State) -> + %% If we already received some bytes of + %% the next response + handle_info({httpc_handler, dummy, Data}, State). case_insensitive_header(Str) when is_list(Str) -> http_util:to_lower(Str); |