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authorMicael Karlberg <[email protected]>2012-01-05 12:35:40 +0100
committerMicael Karlberg <[email protected]>2012-01-05 12:35:40 +0100
commitb1d6a39529229a98ce57f2121cbe080702e82adc (patch)
tree0ee418b0af3052590a893247888b1dc3cadc197e /lib/inets/src/http_client/httpc_handler.erl
parentbe7a927e000c0b772fefa43343b7a14d9070d871 (diff)
parent5edcd0d6372d73124e4160a2bbc5b81853642fc5 (diff)
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Merge branch 'bmk/inets/httpc/bad_keep_alive_mode/r14/OTP-9847' into bmk/inets/inets573_integration
Conflicts: lib/inets/doc/src/notes.xml lib/inets/src/inets_app/inets.appup.src
Diffstat (limited to 'lib/inets/src/http_client/httpc_handler.erl')
-rw-r--r--lib/inets/src/http_client/httpc_handler.erl125
1 files changed, 93 insertions, 32 deletions
diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index 587e24cc8d..4ae2275f70 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -295,7 +295,7 @@ handle_call(#request{address = Addr} = Request, _,
%% Queue + current
queue:len(NewPipeline) + 1,
client_close = ClientClose},
- httpc_manager:insert_session(NewSession, ProfileName),
+ insert_session(NewSession, ProfileName),
?hcrd("session updated", []),
{reply, ok, State#state{pipeline = NewPipeline,
session = NewSession,
@@ -363,7 +363,7 @@ handle_call(#request{address = Addr} = Request, _,
%% Queue + current
queue:len(NewKeepAlive) + 1,
client_close = ClientClose},
- httpc_manager:insert_session(NewSession, ProfileName),
+ insert_session(NewSession, ProfileName),
?hcrd("session updated", []),
{reply, ok, State#state{keep_alive = NewKeepAlive,
session = NewSession,
@@ -377,7 +377,7 @@ handle_call(#request{address = Addr} = Request, _,
NewSession =
Session#session{queue_length = 1,
client_close = ClientClose},
- httpc_manager:insert_session(NewSession, ProfileName),
+ insert_session(NewSession, ProfileName),
Relaxed =
(Request#request.settings)#http_options.relaxed,
MFA = {httpc_response, parse,
@@ -766,23 +766,52 @@ deliver_answer(Request) ->
%% Func: code_change(_OldVsn, State, Extra) -> {ok, NewState}
%% Purpose: Convert process state when code is changed
%%--------------------------------------------------------------------
-%% code_change(_, #state{request = Request, pipeline = Queue} = State,
-%% [{from, '5.0.1'}, {to, '5.0.2'}]) ->
-%% Settings = new_http_options(Request#request.settings),
-%% NewRequest = Request#request{settings = Settings},
-%% NewQueue = new_queue(Queue, fun new_http_options/1),
-%% {ok, State#state{request = NewRequest, pipeline = NewQueue}};
-
-%% code_change(_, #state{request = Request, pipeline = Queue} = State,
-%% [{from, '5.0.2'}, {to, '5.0.1'}]) ->
-%% Settings = old_http_options(Request#request.settings),
-%% NewRequest = Request#request{settings = Settings},
-%% NewQueue = new_queue(Queue, fun old_http_options/1),
-%% {ok, State#state{request = NewRequest, pipeline = NewQueue}};
+
+code_change(_,
+ #state{session = OldSession,
+ profile_name = ProfileName} = State,
+ upgrade_from_pre_5_7_3) ->
+ case OldSession of
+ {session,
+ Id, ClientClose, Scheme, Socket, SocketType, QueueLen, Type} ->
+ NewSession = #session{id = Id,
+ client_close = ClientClose,
+ scheme = Scheme,
+ socket = Socket,
+ socket_type = SocketType,
+ queue_length = QueueLen,
+ type = Type},
+ insert_session(NewSession, ProfileName),
+ {ok, State#state{session = NewSession}};
+ _ ->
+ {ok, State}
+ end;
+
+code_change(_,
+ #state{session = OldSession,
+ profile_name = ProfileName} = State,
+ downgrade_to_pre_5_7_3) ->
+ case OldSession of
+ #session{id = Id,
+ client_close = ClientClose,
+ scheme = Scheme,
+ socket = Socket,
+ socket_type = SocketType,
+ queue_length = QueueLen,
+ type = Type} ->
+ NewSession = {session,
+ Id, ClientClose, Scheme, Socket, SocketType,
+ QueueLen, Type},
+ insert_session(NewSession, ProfileName),
+ {ok, State#state{session = NewSession}};
+ _ ->
+ {ok, State}
+ end;
code_change(_, State, _) ->
{ok, State}.
+
%% new_http_options({http_options, TimeOut, AutoRedirect, SslOpts,
%% Auth, Relaxed}) ->
%% {http_options, "HTTP/1.1", TimeOut, AutoRedirect, SslOpts,
@@ -1181,7 +1210,7 @@ handle_pipeline(#state{status = pipeline,
case queue:out(State#state.pipeline) of
{empty, _} ->
- ?hcrd("epmty pipeline queue", []),
+ ?hcrd("pipeline queue empty", []),
%% The server may choose too teminate an idle pipeline
%% in this case we want to receive the close message
@@ -1191,9 +1220,8 @@ handle_pipeline(#state{status = pipeline,
%% 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),
- NewSession = Session#session{queue_length = 0},
- httpc_manager:insert_session(NewSession, ProfileName),
+ 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,
@@ -1203,6 +1231,7 @@ handle_pipeline(#state{status = pipeline,
headers = undefined,
body = undefined}};
{{value, NextRequest}, Pipeline} ->
+ ?hcrd("pipeline queue non-empty", []),
case lists:member(NextRequest#request.id,
State#state.canceled) of
true ->
@@ -1218,7 +1247,7 @@ handle_pipeline(#state{status = pipeline,
Session#session{queue_length =
%% Queue + current
queue:len(Pipeline) + 1},
- httpc_manager:insert_session(NewSession, ProfileName),
+ insert_session(NewSession, ProfileName),
Relaxed =
(NextRequest#request.settings)#http_options.relaxed,
MFA = {httpc_response,
@@ -1257,7 +1286,7 @@ handle_keep_alive_queue(
case queue:out(State#state.keep_alive) of
{empty, _} ->
- ?hcrd("empty keep_alive queue", []),
+ ?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
@@ -1266,8 +1295,7 @@ handle_keep_alive_queue(
%% 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),
- NewSession = Session#session{queue_length = 0},
- httpc_manager:insert_session(NewSession, ProfileName),
+ update_session(ProfileName, Session, #session.queue_length, 0),
%% Note mfa will be initilized when a new request
%% arrives.
{noreply,
@@ -1279,6 +1307,7 @@ handle_keep_alive_queue(
}
};
{{value, NextRequest}, KeepAlive} ->
+ ?hcrd("keep_alive queue non-empty", []),
case lists:member(NextRequest#request.id,
State#state.canceled) of
true ->
@@ -1388,10 +1417,10 @@ try_to_enable_pipeline_or_keep_alive(
case (is_pipeline_enabled_client(Session) andalso
httpc_request:is_idempotent(Method)) of
true ->
- httpc_manager:insert_session(Session, ProfileName),
+ insert_session(Session, ProfileName),
State#state{status = pipeline};
false ->
- httpc_manager:insert_session(Session, ProfileName),
+ 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},
@@ -1403,7 +1432,9 @@ try_to_enable_pipeline_or_keep_alive(
end.
answer_request(#request{id = RequestId, from = From} = Request, Msg,
- #state{timers = Timers, profile_name = ProfileName} = State) ->
+ #state{session = Session,
+ timers = Timers,
+ profile_name = ProfileName} = State) ->
?hcrt("answer request", [{request, Request}, {msg, Msg}]),
httpc_response:send(From, Msg),
RequestTimers = Timers#timers.request_timers,
@@ -1412,12 +1443,20 @@ 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},
- timers =
- Timers#timers{request_timers =
- lists:delete(Timer, RequestTimers)}}.
-
+ 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.
+
cancel_timers(#timers{request_timers = ReqTmrs, queue_timer = QTmr}) ->
cancel_timer(QTmr, timeout_queue),
CancelTimer = fun({_, Timer}) -> cancel_timer(Timer, timeout) end,
@@ -1656,6 +1695,28 @@ send_raw(SocketType, Socket, ProcessBody, Acc) ->
end.
+%% ---------------------------------------------------------------------
+%% Session wrappers
+%% ---------------------------------------------------------------------
+
+insert_session(Session, ProfileName) ->
+ httpc_manager:insert_session(Session, ProfileName).
+
+
+update_session(ProfileName, #session{id = SessionId} = Session, Pos, Value) ->
+ try
+ begin
+ httpc_manager:update_session(ProfileName, SessionId, Pos, Value)
+ end
+ catch
+ error:undef -> % This could happen during code upgrade
+ Session2 = erlang:setelement(Pos, Session, Value),
+ insert_session(Session2, ProfileName)
+ end.
+
+
+%% ---------------------------------------------------------------------
+
call(Msg, Pid) ->
Timeout = infinity,
call(Msg, Pid, Timeout).