diff options
Diffstat (limited to 'lib/inets/src/http_client/httpc_manager.erl')
| -rw-r--r-- | lib/inets/src/http_client/httpc_manager.erl | 90 |
1 files changed, 87 insertions, 3 deletions
diff --git a/lib/inets/src/http_client/httpc_manager.erl b/lib/inets/src/http_client/httpc_manager.erl index a97cbb83f1..453081da21 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 2002-2011. All Rights Reserved. +%% Copyright Ericsson AB 2002-2012. 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 @@ -34,6 +34,7 @@ retry_request/2, redirect_request/2, insert_session/2, + update_session/4, delete_session/2, set_options/2, store_cookies/3, @@ -193,6 +194,27 @@ insert_session(Session, ProfileName) -> %%-------------------------------------------------------------------- +%% Function: update_session(ProfileName, SessionId, Pos, Value) -> _ +%% Session - #session{} +%% ProfileName - atom() +%% +%% Description: Update, only one field (Pos) of the session record +%% identified by the SessionId, the session information +%% of the httpc manager table <ProfileName>_session_db. +%% Intended to be called by the httpc request handler process. +%%-------------------------------------------------------------------- + +update_session(ProfileName, SessionId, Pos, Value) -> + SessionDbName = session_db_name(ProfileName), + ?hcrt("update session", + [{id, SessionId}, + {pos, Pos}, + {value, Value}, + {profile, ProfileName}]), + ets:update_element(SessionDbName, SessionId, {Pos, Value}). + + +%%-------------------------------------------------------------------- %% Function: delete_session(SessionId, ProfileName) -> _ %% SessionId - {{Host, Port}, HandlerPid} %% ProfileName - atom() @@ -559,9 +581,70 @@ terminate(_, State) -> %% Func: code_change(_OldVsn, State, Extra) -> {ok, NewState} %% Purpose: Convert process state when code is changed %%-------------------------------------------------------------------- -code_change(_OldVsn, State, _Extra) -> +code_change(_, + #state{session_db = SessionDB} = State, + upgrade_from_pre_5_8_1) -> + Upgrade = + fun({session, + Id, ClientClose, Scheme, Socket, SocketType, QueueLen, Type}) -> + {ok, #session{id = Id, + client_close = ClientClose, + scheme = Scheme, + socket = Socket, + socket_type = SocketType, + queue_length = QueueLen, + type = Type}}; + (_) -> % Already upgraded (by handler) + ignore + end, + (catch update_session_table(SessionDB, Upgrade)), + {ok, State}; + +code_change(_, + #state{session_db = SessionDB} = State, + downgrade_to_pre_5_8_1) -> + Downgrade = + fun(#session{id = Id, + client_close = ClientClose, + scheme = Scheme, + socket = Socket, + socket_type = SocketType, + queue_length = QueueLen, + type = Type}) -> + {ok, {session, + Id, ClientClose, Scheme, Socket, SocketType, + QueueLen, Type}}; + (_) -> % Already downgraded (by handler) + ignore + end, + (catch update_session_table(SessionDB, Downgrade)), + {ok, State}; + +code_change(_, State, _) -> {ok, State}. +%% This function is to catch everything that calls through the cracks... +update_session_table(SessionDB, Transform) -> + ets:safe_fixtable(SessionDB, true), + update_session_table(SessionDB, ets:first(SessionDB), Transform), + ets:safe_fixtable(SessionDB, false). + +update_session_table(_SessionDB, '$end_of_table', _Transform) -> + ok; +update_session_table(SessionDB, Key, Transform) -> + case ets:lookup(SessionDB, Key) of + [OldSession] -> + case Transform(OldSession) of + {ok, NewSession} -> + ets:insert(SessionDB, NewSession); + ignore -> + ok + end; + _ -> + ok + end, + update_session_table(SessionDB, ets:next(SessionDB, Key), Transform). + %%-------------------------------------------------------------------- %% Internal functions @@ -690,6 +773,7 @@ select_session(Method, HostPort, Scheme, SessionType, scheme = Scheme, queue_length = '$2', type = SessionType, + available = true, _ = '_'}, %% {'_', {HostPort, '$1'}, false, Scheme, '_', '$2', SessionTyp}, Candidates = ets:match(SessionDb, Pattern), @@ -727,7 +811,7 @@ pipeline_or_keep_alive(Request, HandlerPid, State) -> ets:insert(State#state.handler_db, {Request#request.id, HandlerPid, Request#request.from}); - _ -> %timeout pipelining failed + _ -> % timeout pipelining failed start_handler(Request, State) end. |