diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/inets/doc/src/httpc.xml | 3 | ||||
-rw-r--r-- | lib/inets/src/http_client/httpc_handler.erl | 65 | ||||
-rw-r--r-- | lib/inets/src/http_client/httpc_response.erl | 1 | ||||
-rw-r--r-- | lib/inets/test/httpc_SUITE.erl | 97 | ||||
-rw-r--r-- | lib/kernel/doc/src/heart.xml | 5 |
5 files changed, 126 insertions, 45 deletions
diff --git a/lib/inets/doc/src/httpc.xml b/lib/inets/doc/src/httpc.xml index 14662f257c..ffc6fec518 100644 --- a/lib/inets/doc/src/httpc.xml +++ b/lib/inets/doc/src/httpc.xml @@ -312,8 +312,7 @@ <v>Body = string() | binary()</v> <v>Profile = profile() | pid()</v> <d>When started <c>stand_alone</c> only the pid can be used.</d> - <v>Reason = {connect_failed, term()} | - {send_failed, term()} | term()</v> + <v>Reason = term()</v> </type> <desc> diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl index 9b09832eb8..eeb08ce0ee 100644 --- a/lib/inets/src/http_client/httpc_handler.erl +++ b/lib/inets/src/http_client/httpc_handler.erl @@ -48,19 +48,17 @@ queue_timer :: reference() | 'undefined' }). --type session_failed() :: {'connect_failed',term()} | {'send_failed',term()}. - -record(state, { request :: request() | 'undefined', - session :: session() | session_failed() | 'undefined', + session :: session() | 'undefined', status_line, % {Version, StatusCode, ReasonPharse} headers :: http_response_h() | 'undefined', body :: binary() | 'undefined', mfa, % {Module, Function, Args} pipeline = queue:new() :: queue:queue(), keep_alive = queue:new() :: queue:queue(), - status, % undefined | new | pipeline | keep_alive | close | {ssl_tunnel, Request} + status :: undefined | new | pipeline | keep_alive | close | {ssl_tunnel, request()}, canceled = [], % [RequestId] max_header_size = nolimit :: nolimit | integer(), max_body_size = nolimit :: nolimit | integer(), @@ -255,8 +253,8 @@ handle_call(Request, From, State) -> Result -> Result catch - _:Reason -> - {stop, {shutdown, Reason} , State} + Class:Reason:ST -> + {stop, {shutdown, {{Class, Reason}, ST}}, State} end. @@ -271,8 +269,8 @@ handle_cast(Msg, State) -> Result -> Result catch - _:Reason -> - {stop, {shutdown, Reason} , State} + Class:Reason:ST -> + {stop, {shutdown, {{Class, Reason}, ST}}, State} end. %%-------------------------------------------------------------------- @@ -286,8 +284,8 @@ handle_info(Info, State) -> Result -> Result catch - _:Reason -> - {stop, {shutdown, Reason} , State} + Class:Reason:ST -> + {stop, {shutdown, {{Class, Reason}, ST}}, State} end. %%-------------------------------------------------------------------- @@ -295,23 +293,6 @@ handle_info(Info, State) -> %% Description: Shutdown the httpc_handler %%-------------------------------------------------------------------- -%% Init error there is no socket to be closed. -terminate(normal, - #state{request = Request, - session = {send_failed, _} = Reason} = State) -> - maybe_send_answer(Request, - httpc_response:error(Request, Reason), - State), - ok; - -terminate(normal, - #state{request = Request, - session = {connect_failed, _} = Reason} = State) -> - maybe_send_answer(Request, - httpc_response:error(Request, Reason), - State), - ok; - terminate(normal, #state{session = undefined}) -> ok; @@ -588,11 +569,11 @@ do_handle_info({Proto, _Socket, Data}, activate_once(Session), {noreply, State#state{mfa = NewMFA}} catch - _:Reason -> + Class:Reason:ST -> ClientReason = {could_not_parse_as_http, Data}, ClientErrMsg = httpc_response:error(Request, ClientReason), NewState = answer_request(Request, ClientErrMsg, State), - {stop, {shutdown, Reason}, NewState} + {stop, {shutdown, {{Class, Reason}, ST}}, NewState} end; do_handle_info({Proto, Socket, Data}, @@ -1058,15 +1039,15 @@ handle_response(#state{status = new} = State) -> ?hcrd("handle response - status = new", []), handle_response(try_to_enable_pipeline_or_keep_alive(State)); -handle_response(#state{request = Request, - status = Status, - session = Session, - status_line = StatusLine, - headers = Headers, - body = Body, - options = Options, - profile_name = ProfileName} = State) - when Status =/= new -> +handle_response(#state{status = Status0} = State0) when Status0 =/= new -> + State = handle_server_closing(State0), + #state{request = Request, + session = Session, + status_line = StatusLine, + headers = Headers, + body = Body, + options = Options, + profile_name = ProfileName} = State, handle_cookies(Headers, Request, Options, ProfileName), case httpc_response:result({StatusLine, Headers, Body}, Request) of %% 100-continue @@ -1330,6 +1311,14 @@ try_to_enable_pipeline_or_keep_alive( State#state{status = close} end. +handle_server_closing(State = #state{status = close}) -> State; +handle_server_closing(State = #state{headers = undefined}) -> State; +handle_server_closing(State = #state{headers = Headers}) -> + case httpc_response:is_server_closing(Headers) of + true -> State#state{status = close}; + false -> State + end. + answer_request(#request{id = RequestId, from = From} = Request, Msg, #state{session = Session, timers = Timers, diff --git a/lib/inets/src/http_client/httpc_response.erl b/lib/inets/src/http_client/httpc_response.erl index 58ab9144df..92dc9b0e02 100644 --- a/lib/inets/src/http_client/httpc_response.erl +++ b/lib/inets/src/http_client/httpc_response.erl @@ -83,7 +83,6 @@ whole_body(Body, Length) -> %% result(Response, Request) -> %% Response - {StatusLine, Headers, Body} %% Request - #request{} -%% Session - #tcp_session{} %% %% Description: Checks the status code ... %%------------------------------------------------------------------------- diff --git a/lib/inets/test/httpc_SUITE.erl b/lib/inets/test/httpc_SUITE.erl index 38705372c9..1116fdb1b6 100644 --- a/lib/inets/test/httpc_SUITE.erl +++ b/lib/inets/test/httpc_SUITE.erl @@ -67,7 +67,7 @@ groups() -> %% process_leak_on_keepalive is depending on stream_fun_server_close %% and it shall be the last test case in the suite otherwise cookie %% will fail. - {sim_http, [], only_simulated() ++ [process_leak_on_keepalive]}, + {sim_http, [], only_simulated() ++ server_closing_connection() ++ [process_leak_on_keepalive]}, {http_internal, [], real_requests_esi()}, {http_unix_socket, [], simulated_unix_socket()}, {https, [], real_requests()}, @@ -154,6 +154,12 @@ only_simulated() -> stream_fun_server_close ]. +server_closing_connection() -> + [ + server_closing_connection_on_first_response, + server_closing_connection_on_second_response + ]. + misc() -> [ server_does_not_exist, @@ -233,7 +239,7 @@ init_per_testcase(pipeline, Config) -> init_per_testcase(persistent_connection, Config) -> inets:start(httpc, [{profile, persistent}]), httpc:set_options([{keep_alive_timeout, 50000}, - {max_keep_alive_length, 3}], persistent_connection), + {max_keep_alive_length, 3}], persistent), Config; init_per_testcase(wait_for_whole_response, Config) -> @@ -252,6 +258,24 @@ end_per_testcase(pipeline, _Config) -> inets:stop(httpc, pipeline); end_per_testcase(persistent_connection, _Config) -> inets:stop(httpc, persistent); +end_per_testcase(Case, Config) + when Case == server_closing_connection_on_first_response; + Case == server_closing_connection_on_second_response -> + %% Test case uses at most one session. Ensure no leftover + %% sessions left behind. + {_, Status} = proplists:lookup(tc_status, Config), + ShallCleanup = case Status of + ok -> true; + {failed, _} -> true; + {skipped, _} -> false + end, + if ShallCleanup =:= true -> + httpc:request(url(group_name(Config), "/just_close.html", Config)), + ok; + true -> + ct:pal("Not cleaning up because test case status was ~p", [Status]), + ok + end; end_per_testcase(_Case, _Config) -> ok. @@ -1275,6 +1299,53 @@ stream_fun_server_close(Config) when is_list(Config) -> end. %%-------------------------------------------------------------------- +server_closing_connection_on_first_response() -> + [{doc, "Client receives \"Connection: close\" on first response." + "A client that receives a \"close\" connection option MUST cease sending" + "requests on that connection and close the connection after reading" + "the response message containing the \"close\""}]. +server_closing_connection_on_first_response(Config) when is_list(Config) -> + ReqSrvSendOctFun = + fun(V, U, S) -> + {ok, {{V, S, _}, Headers0, []}} = + httpc:request(get, {U, []}, [{version, V}], []), + {_, SendOctStr} = + proplists:lookup("x-socket-stat-send-oct", Headers0), + list_to_integer(SendOctStr) + end, + V = "HTTP/1.1", + Url0 = url(group_name(Config), "/http_1_1_send_oct.html", Config), + Url1 = url(group_name(Config), "/http_1_1_send_oct_and_connection_close.html", Config), + %% Test case assumes at most one reusable past session. + _ = ReqSrvSendOctFun(V, Url1, 204), + 0 = ReqSrvSendOctFun(V, Url0, 204), + ok. + +%%-------------------------------------------------------------------- +server_closing_connection_on_second_response() -> + [{doc, "Client receives \"Connection: close\" on second response." + "A client that receives a \"close\" connection option MUST cease sending" + "requests on that connection and close the connection after reading" + "the response message containing the \"close\""}]. +server_closing_connection_on_second_response(Config) when is_list(Config) -> + ReqSrvSendOctFun = + fun(V, U, S) -> + {ok, {{V, S, _}, Headers0, []}} = + httpc:request(get, {U, []}, [{version, V}], []), + {_, SendOctStr} = + proplists:lookup("x-socket-stat-send-oct", Headers0), + list_to_integer(SendOctStr) + end, + V = "HTTP/1.1", + Url0 = url(group_name(Config), "/http_1_1_send_oct.html", Config), + Url1 = url(group_name(Config), "/http_1_1_send_oct_and_connection_close.html", Config), + %% Test case assumes no reusable past sessions. + SendOct0 = 0 = ReqSrvSendOctFun(V, Url0, 204), + case ReqSrvSendOctFun(V, Url1, 204) of SendOct1 when SendOct1 > SendOct0 -> ok end, + 0 = ReqSrvSendOctFun(V, Url0, 204), + ok. + +%%-------------------------------------------------------------------- slow_connection() -> [{doc, "Test that a request on a slow keep-alive connection won't crash the httpc_manager"}]. slow_connection(Config) when is_list(Config) -> @@ -2232,10 +2303,32 @@ handle_uri("GET","/v1/kv/foo",_,_,_,_) -> "Content-Length: 24\r\n" ++ "Content-Type: application/json\r\n\r\n" ++ "[{\"Value\": \"aGVsbG8=\"}]\n"; +handle_uri(_,"/http_1_1_send_oct.html",_,_,Socket,_) -> + "HTTP/1.1 204 No Content\r\n" ++ + "X-Socket-Stat-Send-Oct: " ++ integer_to_list(get_stat(Socket, send_oct)) ++ "\r\n" ++ + "\r\n"; +handle_uri(_,"/http_1_1_send_oct_and_connection_close.html",_,_,Socket,_) -> + "HTTP/1.1 204 No Content\r\n" ++ + "X-Socket-Stat-Send-Oct: " ++ integer_to_list(get_stat(Socket, send_oct)) ++ "\r\n" ++ + "Connection: close\r\n" ++ + "\r\n"; handle_uri(_,_,_,_,_,DefaultResponse) -> DefaultResponse. +get_stat(S, Opt) -> + case getstat(S, [Opt]) of + {ok, [{Opt, V}]} when is_integer(V) -> + V; + {error, _} = E -> + E + end. + +getstat(#sslsocket{} = S, Opts) -> + ssl:getstat(S, Opts); +getstat(S, Opts) -> + inet:getstat(S, Opts). + url_start(#sslsocket{}) -> {ok,Host} = inet:gethostname(), ?TLS_URL_START ++ Host ++ ":"; diff --git a/lib/kernel/doc/src/heart.xml b/lib/kernel/doc/src/heart.xml index 5b5b71e521..46c7ce60b6 100644 --- a/lib/kernel/doc/src/heart.xml +++ b/lib/kernel/doc/src/heart.xml @@ -59,8 +59,9 @@ <pre> % <input>erl -heart -env HEART_BEAT_TIMEOUT 30 ...</input></pre> <p>The value (in seconds) must be in the range 10 < X <= 65535.</p> - <p>Notice that if the system clock is adjusted with - more than <c>HEART_BEAT_TIMEOUT</c> seconds, <c>heart</c> + <p>When running on OSs lacking support for monotonic time, + <c>heart</c> is susceptible to system clock adjustments of more than + <c>HEART_BEAT_TIMEOUT</c> seconds. When this happens, <c>heart</c> times out and tries to reboot the system. This can occur, for example, if the system clock is adjusted automatically by use of the Network Time Protocol (NTP).</p> |