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-rw-r--r--lib/inets/doc/src/httpc.xml7
-rw-r--r--lib/inets/src/http_client/httpc.erl23
-rw-r--r--lib/inets/src/http_client/httpc_handler.erl69
-rw-r--r--lib/inets/src/http_client/httpc_internal.hrl6
-rw-r--r--lib/inets/src/http_client/httpc_manager.erl128
-rw-r--r--lib/inets/test/httpc_SUITE.erl17
6 files changed, 79 insertions, 171 deletions
diff --git a/lib/inets/doc/src/httpc.xml b/lib/inets/doc/src/httpc.xml
index d9a27e7d1e..db68cc3116 100644
--- a/lib/inets/doc/src/httpc.xml
+++ b/lib/inets/doc/src/httpc.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>2004</year><year>2012</year>
+ <year>2004</year><year>2013</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -440,7 +440,10 @@ apply(Module, Function, [ReplyInfo | Args])
<v>Profile = profile() | pid() (when started <c>stand_alone</c>)</v>
</type>
<desc>
- <p>Cancels an asynchronous HTTP-request. </p>
+ <p>Cancels an asynchronous HTTP-request. Note this does not guarantee
+ that the request response will not be delivered, as it is asynchronous the
+ the request may already have been completed when the cancellation arrives.
+ </p>
<marker id="set_options"></marker>
</desc>
diff --git a/lib/inets/src/http_client/httpc.erl b/lib/inets/src/http_client/httpc.erl
index 4d7023a8e9..da9bbdd1ec 100644
--- a/lib/inets/src/http_client/httpc.erl
+++ b/lib/inets/src/http_client/httpc.erl
@@ -208,16 +208,8 @@ cancel_request(RequestId) ->
cancel_request(RequestId, Profile)
when is_atom(Profile) orelse is_pid(Profile) ->
?hcrt("cancel request", [{request_id, RequestId}, {profile, Profile}]),
- ok = httpc_manager:cancel_request(RequestId, profile_name(Profile)),
- receive
- %% If the request was already fulfilled throw away the
- %% answer as the request has been canceled.
- {http, {RequestId, _}} ->
- ok
- after 0 ->
- ok
- end.
-
+ httpc_manager:cancel_request(RequestId, profile_name(Profile)).
+
%%--------------------------------------------------------------------------
%% set_options(Options) -> ok | {error, Reason}
@@ -241,14 +233,7 @@ set_options(Options, Profile) when is_atom(Profile) orelse is_pid(Profile) ->
?hcrt("set options", [{options, Options}, {profile, Profile}]),
case validate_options(Options) of
{ok, Opts} ->
- try
- begin
- httpc_manager:set_options(Opts, profile_name(Profile))
- end
- catch
- exit:{noproc, _} ->
- {error, inets_not_started}
- end;
+ httpc_manager:set_options(Opts, profile_name(Profile));
{error, Reason} ->
{error, Reason}
end.
@@ -343,8 +328,6 @@ store_cookies(SetCookieHeaders, Url, Profile)
ok
end
catch
- exit:{noproc, _} ->
- {error, {not_started, Profile}};
error:{badmatch, Bad} ->
{error, {parse_failed, Bad}}
end.
diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index 55794f57dc..80c8b2439e 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -32,7 +32,7 @@
start_link/4,
%% connect_and_send/2,
send/2,
- cancel/3,
+ cancel/2,
stream_next/1,
info/1
]).
@@ -117,8 +117,8 @@ send(Request, Pid) ->
%% Description: Cancels a request. Intended to be called by the httpc
%% manager process.
%%--------------------------------------------------------------------
-cancel(RequestId, Pid, From) ->
- cast({cancel, RequestId, From}, Pid).
+cancel(RequestId, Pid) ->
+ cast({cancel, RequestId}, Pid).
%%--------------------------------------------------------------------
@@ -400,19 +400,17 @@ handle_call(info, _, State) ->
%% handle_keep_alive_queue/2 on the other hand will just skip the
%% request as if it was never issued as in this case the request will
%% not have been sent.
-handle_cast({cancel, RequestId, From},
+handle_cast({cancel, RequestId},
#state{request = #request{id = RequestId} = Request,
profile_name = ProfileName,
canceled = Canceled} = State) ->
?hcrv("cancel current request", [{request_id, RequestId},
{profile, ProfileName},
{canceled, Canceled}]),
- httpc_manager:request_canceled(RequestId, ProfileName, From),
- ?hcrv("canceled", []),
{stop, normal,
State#state{canceled = [RequestId | Canceled],
request = Request#request{from = answer_sent}}};
-handle_cast({cancel, RequestId, From},
+handle_cast({cancel, RequestId},
#state{profile_name = ProfileName,
request = #request{id = CurrId},
canceled = Canceled} = State) ->
@@ -420,8 +418,6 @@ handle_cast({cancel, RequestId, From},
{curr_req_id, CurrId},
{profile, ProfileName},
{canceled, Canceled}]),
- httpc_manager:request_canceled(RequestId, ProfileName, From),
- ?hcrv("canceled", []),
{noreply, State#state{canceled = [RequestId | Canceled]}};
handle_cast(stream_next, #state{session = Session} = State) ->
@@ -521,19 +517,12 @@ handle_info({Proto, _Socket, Data},
activate_once(Session),
{noreply, State#state{mfa = NewMFA}}
catch
- exit:_Exit ->
- ?hcrd("data processing exit", [{exit, _Exit}]),
+ _:_Reason ->
+ ?hcrd("data processing exit", [{exit, _Reason}]),
ClientReason = {could_not_parse_as_http, Data},
ClientErrMsg = httpc_response:error(Request, ClientReason),
NewState = answer_request(Request, ClientErrMsg, State),
- {stop, normal, NewState};
- error:_Error ->
- ?hcrd("data processing error", [{error, _Error}]),
- ClientReason = {could_not_parse_as_http, Data},
- ClientErrMsg = httpc_response:error(Request, ClientReason),
- NewState = answer_request(Request, ClientErrMsg, State),
{stop, normal, NewState}
-
end,
?hcri("data processed", [{final_result, FinalResult}]),
FinalResult;
@@ -1165,7 +1154,7 @@ handle_http_body(Body, #state{headers = Headers,
handle_response(#state{status = new} = State) ->
?hcrd("handle response - status = new", []),
- handle_response(try_to_enable_pipeline_or_keep_alive(State));
+ handle_response(check_persistent(State));
handle_response(#state{request = Request,
status = Status,
@@ -1440,39 +1429,22 @@ is_keep_alive_enabled_server(_,_) ->
is_keep_alive_connection(Headers, #session{client_close = ClientClose}) ->
(not ((ClientClose) orelse httpc_response:is_server_closing(Headers))).
-try_to_enable_pipeline_or_keep_alive(
- #state{session = Session,
- request = #request{method = Method},
+check_persistent(
+ #state{session = #session{type = Type} = Session,
status_line = {Version, _, _},
headers = Headers,
- profile_name = ProfileName} = State) ->
- ?hcrd("try to enable pipeline or keep-alive",
- [{version, Version},
- {headers, Headers},
- {session, Session}]),
+ profile_name = ProfileName} = State) ->
case is_keep_alive_enabled_server(Version, Headers) andalso
- is_keep_alive_connection(Headers, Session) of
+ is_keep_alive_connection(Headers, Session) of
true ->
- case (is_pipeline_enabled_client(Session) andalso
- httpc_request:is_idempotent(Method)) of
- true ->
- insert_session(Session, ProfileName),
- State#state{status = pipeline};
- false ->
- insert_session(Session, ProfileName),
- %% Make sure type is keep_alive in session
- %% as it in this case might be pipeline
- NewSession = Session#session{type = keep_alive},
- State#state{status = keep_alive,
- session = NewSession}
- end;
+ mark_persistent(ProfileName, Session),
+ State#state{status = Type};
false ->
State#state{status = close}
end.
answer_request(#request{id = RequestId, from = From} = Request, Msg,
- #state{session = Session,
- timers = Timers,
+ #state{timers = Timers,
profile_name = ProfileName} = State) ->
?hcrt("answer request", [{request, Request}, {msg, Msg}]),
httpc_response:send(From, Msg),
@@ -1482,19 +1454,14 @@ answer_request(#request{id = RequestId, from = From} = Request, Msg,
Timer = {RequestId, TimerRef},
cancel_timer(TimerRef, {timeout, Request#request.id}),
httpc_manager:request_done(RequestId, ProfileName),
- NewSession = maybe_make_session_available(ProfileName, Session),
Timers2 = Timers#timers{request_timers = lists:delete(Timer,
RequestTimers)},
State#state{request = Request#request{from = answer_sent},
- session = NewSession,
timers = Timers2}.
-maybe_make_session_available(ProfileName,
- #session{available = false} = Session) ->
- update_session(ProfileName, Session, #session.available, true),
- Session#session{available = true};
-maybe_make_session_available(_ProfileName, Session) ->
- Session.
+mark_persistent(ProfileName, Session) ->
+ update_session(ProfileName, Session, #session.persistent, true),
+ Session#session{persistent = true}.
cancel_timers(#timers{request_timers = ReqTmrs, queue_timer = QTmr}) ->
cancel_timer(QTmr, timeout_queue),
diff --git a/lib/inets/src/http_client/httpc_internal.hrl b/lib/inets/src/http_client/httpc_internal.hrl
index 30e2742e9d..d5b3dd2a2a 100644
--- a/lib/inets/src/http_client/httpc_internal.hrl
+++ b/lib/inets/src/http_client/httpc_internal.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2005-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2005-2013. 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
@@ -143,8 +143,8 @@
%% true | false
%% This will be true, when a response has been received for
- %% the first request. See type above.
- available = false
+ %% the first request and the server has not closed the connection
+ persistent = false
}).
diff --git a/lib/inets/src/http_client/httpc_manager.erl b/lib/inets/src/http_client/httpc_manager.erl
index c45dcab802..a3ed371e61 100644
--- a/lib/inets/src/http_client/httpc_manager.erl
+++ b/lib/inets/src/http_client/httpc_manager.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2002-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2002-2013. 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
@@ -29,7 +29,6 @@
start_link/3,
request/2,
cancel_request/2,
- request_canceled/3,
request_done/2,
retry_request/2,
redirect_request/2,
@@ -144,22 +143,7 @@ redirect_request(Request, ProfileName) ->
%%--------------------------------------------------------------------
cancel_request(RequestId, ProfileName) ->
- call(ProfileName, {cancel_request, RequestId}).
-
-
-%%--------------------------------------------------------------------
-%% Function: request_canceled(RequestId, ProfileName) -> ok
-%% RequestId - ref()
-%% ProfileName = atom()
-%%
-%% Description: Confirms that a request has been canceld. Intended to
-%% be called by the httpc handler process.
-%%--------------------------------------------------------------------
-
-request_canceled(RequestId, ProfileName, From) ->
- gen_server:reply(From, ok),
- cast(ProfileName, {request_canceled, RequestId}).
-
+ cast(ProfileName, {cancel_request, RequestId}).
%%--------------------------------------------------------------------
%% Function: request_done(RequestId, ProfileName) -> ok
@@ -467,33 +451,13 @@ do_init(ProfileName, CookiesDir) ->
%%--------------------------------------------------------------------
handle_call({request, Request}, _, State) ->
?hcri("request", [{request, Request}]),
- case (catch handle_request(Request, State)) of
+ case (catch handle_request(Request, State, false)) of
{reply, Msg, NewState} ->
{reply, Msg, NewState};
Error ->
{stop, Error, httpc_response:error(Request, Error), State}
end;
-handle_call({cancel_request, RequestId}, From,
- #state{handler_db = HandlerDb} = State) ->
- ?hcri("cancel_request", [{request_id, RequestId}]),
- case ets:lookup(HandlerDb, RequestId) of
- [] ->
- %% The request has allready compleated make sure
- %% it is deliverd to the client process queue so
- %% it can be thrown away by httpc:cancel_request
- %% This delay is hopfully a temporary workaround.
- %% Note that it will not not delay the manager,
- %% only the client that called httpc:cancel_request
- timer:apply_after(?DELAY, gen_server, reply, [From, ok]),
- {noreply, State};
- [{_, Pid, _}] ->
- httpc_handler:cancel(RequestId, Pid, From),
- {noreply,
- State#state{cancel =
- [{RequestId, Pid, From} | State#state.cancel]}}
- end;
-
handle_call(reset_cookies, _, #state{cookie_db = CookieDb} = State) ->
?hcrv("reset cookies", []),
httpc_cookie:reset_db(CookieDb),
@@ -547,7 +511,7 @@ handle_cast({retry_or_redirect_request, {Time, Request}},
{noreply, State};
handle_cast({retry_or_redirect_request, Request}, State) ->
- case (catch handle_request(Request, State)) of
+ case (catch handle_request(Request, State, true)) of
{reply, {ok, _}, NewState} ->
{noreply, NewState};
Error ->
@@ -555,19 +519,19 @@ handle_cast({retry_or_redirect_request, Request}, State) ->
{stop, Error, State}
end;
-handle_cast({request_canceled, RequestId}, State) ->
- ?hcrv("request canceled", [{request_id, RequestId}]),
- ets:delete(State#state.handler_db, RequestId),
- case lists:keysearch(RequestId, 1, State#state.cancel) of
- {value, Entry = {RequestId, _, From}} ->
- ?hcrt("found in cancel", [{from, From}]),
- {noreply,
- State#state{cancel = lists:delete(Entry, State#state.cancel)}};
- Else ->
- ?hcrt("not found in cancel", [{else, Else}]),
- {noreply, State}
+handle_cast({cancel_request, RequestId},
+ #state{handler_db = HandlerDb} = State) ->
+ case ets:lookup(HandlerDb, RequestId) of
+ [] ->
+ %% Request already compleated nothing to
+ %% cancel
+ {noreply, State};
+ [{_, Pid, _}] ->
+ httpc_handler:cancel(RequestId, Pid),
+ ets:delete(State#state.handler_db, RequestId),
+ {noreply, State}
end;
-
+
handle_cast({request_done, RequestId}, State) ->
?hcrv("request done", [{request_id, RequestId}]),
ets:delete(State#state.handler_db, RequestId),
@@ -629,22 +593,8 @@ handle_info({'EXIT', _, _}, State) ->
%% Handled in DOWN
{noreply, State};
handle_info({'DOWN', _, _, Pid, _}, State) ->
- ets:match_delete(State#state.handler_db, {'_', Pid, '_'}),
-
- %% If there where any canceled request, handled by the
- %% the process that now has terminated, the
- %% cancelation can be viewed as sucessfull!
- NewCanceldList =
- lists:foldl(fun(Entry = {_, HandlerPid, From}, Acc) ->
- case HandlerPid of
- Pid ->
- gen_server:reply(From, ok),
- lists:delete(Entry, Acc);
- _ ->
- Acc
- end
- end, State#state.cancel, State#state.cancel),
- {noreply, State#state{cancel = NewCanceldList}};
+ ets:match_delete(State#state.handler_db, {'_', Pid, '_'}),
+ {noreply, State};
handle_info(Info, State) ->
Report = io_lib:format("Unknown message in "
"httpc_manager:handle_info ~p~n", [Info]),
@@ -774,7 +724,7 @@ get_handler_info(Tab) ->
handle_request(#request{settings =
#http_options{version = "HTTP/0.9"}} = Request,
- State) ->
+ State, _) ->
%% Act as an HTTP/0.9 client that does not know anything
%% about persistent connections
@@ -787,7 +737,7 @@ handle_request(#request{settings =
handle_request(#request{settings =
#http_options{version = "HTTP/1.0"}} = Request,
- State) ->
+ State, _) ->
%% Act as an HTTP/1.0 client that does not
%% use persistent connections
@@ -798,13 +748,13 @@ handle_request(#request{settings =
start_handler(NewRequest#request{headers = NewHeaders}, State),
{reply, {ok, NewRequest#request.id}, State};
-handle_request(Request, State = #state{options = Options}) ->
+handle_request(Request, State = #state{options = Options}, Retry) ->
NewRequest = handle_cookies(generate_request_id(Request), State),
SessionType = session_type(Options),
case select_session(Request#request.method,
Request#request.address,
- Request#request.scheme, SessionType, State) of
+ Request#request.scheme, SessionType, State, Retry) of
{ok, HandlerPid} ->
pipeline_or_keep_alive(NewRequest, HandlerPid, State);
no_connection ->
@@ -828,6 +778,7 @@ start_handler(#request{id = Id,
#state{profile_name = ProfileName,
handler_db = HandlerDb,
options = Options}) ->
+ ClientClose = httpc_request:is_client_closing(Request#request.headers),
{ok, Pid} =
case is_inets_manager() of
true ->
@@ -838,13 +789,18 @@ start_handler(#request{id = Id,
end,
HandlerInfo = {Id, Pid, From},
ets:insert(HandlerDb, HandlerInfo),
+ insert_session(#session{id = {Request#request.address, Pid},
+ scheme = Request#request.scheme,
+ client_close = ClientClose,
+ type = session_type(Options)
+ }, ProfileName),
erlang:monitor(process, Pid).
select_session(Method, HostPort, Scheme, SessionType,
#state{options = #options{max_pipeline_length = MaxPipe,
max_keep_alive_length = MaxKeepAlive},
- session_db = SessionDb}) ->
+ session_db = SessionDb}, Retry) ->
?hcrd("select session", [{session_type, SessionType},
{max_pipeline_length, MaxPipe},
{max_keep_alive_length, MaxKeepAlive}]),
@@ -857,19 +813,29 @@ select_session(Method, HostPort, Scheme, SessionType,
%% client_close, scheme and type specified.
%% The fields id (part of: HandlerPid) and queue_length
%% specified.
- Pattern = #session{id = {HostPort, '$1'},
- client_close = false,
- scheme = Scheme,
- queue_length = '$2',
- type = SessionType,
- available = true,
- _ = '_'},
+ Pattern = case (Retry andalso SessionType == pipeline) of
+ true ->
+ #session{id = {HostPort, '$1'},
+ client_close = false,
+ scheme = Scheme,
+ queue_length = '$2',
+ type = SessionType,
+ persistent = true,
+ _ = '_'};
+ false ->
+ #session{id = {HostPort, '$1'},
+ client_close = false,
+ scheme = Scheme,
+ queue_length = '$2',
+ type = SessionType,
+ _ = '_'}
+ end,
%% {'_', {HostPort, '$1'}, false, Scheme, '_', '$2', SessionTyp},
Candidates = ets:match(SessionDb, Pattern),
?hcrd("select session", [{host_port, HostPort},
{scheme, Scheme},
{type, SessionType},
- {candidates, Candidates}]),
+ {candidates, Candidates}]),
select_session(Candidates, MaxKeepAlive, MaxPipe, SessionType);
false ->
no_connection
diff --git a/lib/inets/test/httpc_SUITE.erl b/lib/inets/test/httpc_SUITE.erl
index 0c35f284f7..818edc12ac 100644
--- a/lib/inets/test/httpc_SUITE.erl
+++ b/lib/inets/test/httpc_SUITE.erl
@@ -277,9 +277,6 @@ trace(Config) when is_list(Config) ->
pipeline(Config) when is_list(Config) ->
Request = {url(group_name(Config), "/dummy.html", Config), []},
{ok, _} = httpc:request(get, Request, [], [], pipeline),
-
- %% Make sure pipeline session is registerd
- test_server:sleep(4000),
keep_alive_requests(Request, pipeline).
%%--------------------------------------------------------------------
@@ -287,9 +284,6 @@ pipeline(Config) when is_list(Config) ->
persistent_connection(Config) when is_list(Config) ->
Request = {url(group_name(Config), "/dummy.html", Config), []},
{ok, _} = httpc:request(get, Request, [], [], persistent),
-
- %% Make sure pipeline session is registerd
- test_server:sleep(4000),
keep_alive_requests(Request, persistent).
%%-------------------------------------------------------------------------
@@ -311,13 +305,8 @@ async(Config) when is_list(Config) ->
{ok, NewRequestId} =
httpc:request(get, Request, [], [{sync, false}]),
- ok = httpc:cancel_request(NewRequestId),
- receive
- {http, {NewRequestId, _}} ->
- ct:fail(http_cancel_request_failed)
- after 3000 ->
- ok
- end.
+ ok = httpc:cancel_request(NewRequestId).
+
%%-------------------------------------------------------------------------
save_to_file() ->
[{doc, "Test to save the http body to a file"}].
@@ -1149,7 +1138,7 @@ receive_replys([ID|IDs]) ->
{http, {ID, {{_, 200, _}, [_|_], _}}} ->
receive_replys(IDs);
{http, {Other, {{_, 200, _}, [_|_], _}}} ->
- ct:fail({recived_canceld_id, Other})
+ ct:pal({recived_canceld_id, Other})
end.
%% Perform a synchronous stop
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 10:33:38 +0000