diff options
Diffstat (limited to 'lib/mnesia/src')
-rw-r--r-- | lib/mnesia/src/mnesia.appup.src | 14 | ||||
-rw-r--r-- | lib/mnesia/src/mnesia_locker.erl | 32 | ||||
-rw-r--r-- | lib/mnesia/src/mnesia_monitor.erl | 89 | ||||
-rw-r--r-- | lib/mnesia/src/mnesia_tm.erl | 6 |
4 files changed, 84 insertions, 57 deletions
diff --git a/lib/mnesia/src/mnesia.appup.src b/lib/mnesia/src/mnesia.appup.src index 355aafb215..c245299740 100644 --- a/lib/mnesia/src/mnesia.appup.src +++ b/lib/mnesia/src/mnesia.appup.src @@ -1,22 +1,16 @@ %% -*- erlang -*- {"%VSN%", [ - {"4.7.1", [{restart_application, mnesia}]}, - {"4.7", [{restart_application, mnesia}]}, - {"4.6", [{restart_application, mnesia}]}, - {"4.5.1", [{restart_application, mnesia}]}, - {"4.5", [{restart_application, mnesia}]}, + {<<"4\\.1[0-9].*">>, [{restart_application, mnesia}]}, + {<<"4\\.[5-9].*">>, [{restart_application, mnesia}]}, {"4.4.19", [{restart_application, mnesia}]}, {"4.4.18", [{restart_application, mnesia}]}, {"4.4.17", [{restart_application, mnesia}]}, {"4.4.16", [{restart_application, mnesia}]} ], [ - {"4.7.1", [{restart_application, mnesia}]}, - {"4.7", [{restart_application, mnesia}]}, - {"4.6", [{restart_application, mnesia}]}, - {"4.5.1", [{restart_application, mnesia}]}, - {"4.5", [{restart_application, mnesia}]}, + {<<"4\\.1[0-9].*">>, [{restart_application, mnesia}]}, + {<<"4\\.[5-9].*">>, [{restart_application, mnesia}]}, {"4.4.19", [{restart_application, mnesia}]}, {"4.4.18", [{restart_application, mnesia}]}, {"4.4.17", [{restart_application, mnesia}]}, diff --git a/lib/mnesia/src/mnesia_locker.erl b/lib/mnesia/src/mnesia_locker.erl index 14011003d3..c4fe370ec1 100644 --- a/lib/mnesia/src/mnesia_locker.erl +++ b/lib/mnesia/src/mnesia_locker.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2012. All Rights Reserved. +%% Copyright Ericsson AB 1996-2013. 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 @@ -26,8 +26,8 @@ global_lock/5, ixrlock/5, init/1, - mnesia_down/2, release_tid/1, + mnesia_down/2, async_release_tid/2, send_release_tid/2, receive_release_tid_acc/2, @@ -137,6 +137,17 @@ receive_release_tid_acc([Node | Nodes], Tid) -> receive_release_tid_acc([], _Tid) -> ok. +mnesia_down(Node, Pending) -> + case whereis(?MODULE) of + undefined -> {error, node_not_running}; + Pid -> + Ref = make_ref(), + Pid ! {{self(), Ref}, {release_remote_non_pending, Node, Pending}}, + receive %% No need to wait for anything else if process dies we die soon + {Ref,ok} -> ok + end + end. + loop(State) -> receive {From, {write, Tid, Oid}} -> @@ -213,9 +224,9 @@ loop(State) -> reply(From, {tid_released, Tid}), loop(State); - {release_remote_non_pending, Node, Pending} -> + {{From, Ref},{release_remote_non_pending, Node, Pending}} -> release_remote_non_pending(Node, Pending), - mnesia_monitor:mnesia_down(?MODULE, Node), + From ! {Ref, ok}, loop(State); {'EXIT', Pid, _} when Pid == State#state.supervisor -> @@ -653,19 +664,6 @@ ix_read_res(Tab,IxKey,Pos) -> %% ********************* end server code ******************** %% The following code executes at the client side of a transactions -mnesia_down(N, Pending) -> - case whereis(?MODULE) of - undefined -> - %% Takes care of mnesia_down's in early startup - mnesia_monitor:mnesia_down(?MODULE, N); - Pid -> - %% Syncronously call needed in order to avoid - %% race with mnesia_tm's coordinator processes - %% that may restart and acquire new locks. - %% mnesia_monitor ensures the sync. - Pid ! {release_remote_non_pending, N, Pending} - end. - %% Aquire a write lock, but do a read, used by %% mnesia:wread/1 diff --git a/lib/mnesia/src/mnesia_monitor.erl b/lib/mnesia/src/mnesia_monitor.erl index 7a788238fc..c7b905a1bf 100644 --- a/lib/mnesia/src/mnesia_monitor.erl +++ b/lib/mnesia/src/mnesia_monitor.erl @@ -78,7 +78,7 @@ -record(state, {supervisor, pending_negotiators = [], going_down = [], tm_started = false, early_connects = [], - connecting, mq = []}). + connecting, mq = [], remote_node_status = []}). -define(current_protocol_version, {8,1}). @@ -482,27 +482,24 @@ handle_cast({mnesia_down, mnesia_controller, Node}, State) -> mnesia_tm:mnesia_down(Node), {noreply, State}; -handle_cast({mnesia_down, mnesia_tm, {Node, Pending}}, State) -> - mnesia_locker:mnesia_down(Node, Pending), - {noreply, State}; - -handle_cast({mnesia_down, mnesia_locker, Node}, State) -> +handle_cast({mnesia_down, mnesia_tm, Node}, State) -> Down = {mnesia_down, Node}, mnesia_lib:report_system_event(Down), GoingDown = lists:delete(Node, State#state.going_down), State2 = State#state{going_down = GoingDown}, Pending = State#state.pending_negotiators, + State3 = check_raise_conditon_nodeup(Node, State2), case lists:keysearch(Node, 1, Pending) of {value, {Node, Mon, ReplyTo, Reply}} -> %% Late reply to remote monitor link(Mon), %% link to remote Monitor gen_server:reply(ReplyTo, Reply), P2 = lists:keydelete(Node, 1,Pending), - State3 = State2#state{pending_negotiators = P2}, - process_q(State3); + State4 = State3#state{pending_negotiators = P2}, + process_q(State4); false -> %% No pending remote monitors - process_q(State2) + process_q(State3) end; handle_cast({disconnect, Node}, State) -> @@ -568,27 +565,18 @@ handle_info({protocol_negotiated, From,Res}, State) -> gen_server:reply(From, Res), process_q(State#state{connecting = undefined}); -handle_info({nodeup, Node}, State) -> - %% Ok, we are connected to yet another Erlang node - %% Let's check if Mnesia is running there in order - %% to detect if the network has been partitioned - %% due to communication failure. - - HasDown = mnesia_recover:has_mnesia_down(Node), - ImRunning = mnesia_lib:is_running(), +handle_info({check_nodeup, Node}, State) -> + State2 = check_mnesia_down(Node, State), + {noreply, State2}; - if - %% If I'm not running the test will be made later. - HasDown == true, ImRunning == yes -> - spawn_link(?MODULE, detect_partitioned_network, [self(), Node]); - true -> - ignore - end, - {noreply, State}; +handle_info({nodeup, Node}, State) -> + State2 = remote_node_status(Node, up, State), + State3 = check_mnesia_down(Node, State2), + {noreply, State3}; -handle_info({nodedown, _Node}, State) -> - %% Ignore, we are only caring about nodeup's - {noreply, State}; +handle_info({nodedown, Node}, State) -> + State2 = remote_node_status(Node, down, State), + {noreply, State2}; handle_info({disk_log, _Node, Log, Info}, State) -> case Info of @@ -830,3 +818,48 @@ report_inconsistency([{badrpc, _Reason} | Replies], Context, Status) -> report_inconsistency(Replies, Context, Status); report_inconsistency([], _Context, Status) -> Status. + +remote_node_status(Node, Status, State) -> + {ok, Nodes} = mnesia_schema:read_nodes(), + case lists:member(Node, Nodes) of + true -> + update_node_status({Node, Status}, State); + _ -> + State + end. + +update_node_status({Node, down}, State = #state{remote_node_status = RNodeS}) -> + RNodeS2 = lists:ukeymerge(1, [{Node, down}], RNodeS), + State#state{remote_node_status = RNodeS2}; +update_node_status({Node, up}, State = #state{remote_node_status = RNodeS}) -> + case lists:keyfind(Node, 1, RNodeS) of + {Node, down} -> + RNodeS2 = lists:ukeymerge(1, [{Node, up}], RNodeS), + State#state{remote_node_status = RNodeS2}; + _ -> + State + end. + +check_raise_conditon_nodeup(Node, State = #state{remote_node_status = RNodeS}) -> + case lists:keyfind(Node, 1, RNodeS) of + {Node, up} -> + self() ! {check_nodeup, Node}; + _ -> + ignore + end, + State#state{remote_node_status = lists:keydelete(Node, 1, RNodeS)}. + +check_mnesia_down(Node, State = #state{remote_node_status = RNodeS}) -> + %% Check if the network has been partitioned + %% due to communication failure. + + HasDown = mnesia_recover:has_mnesia_down(Node), + ImRunning = mnesia_lib:is_running(), + if + %% If I'm not running the test will be made later. + HasDown == true, ImRunning == yes -> + spawn_link(?MODULE, detect_partitioned_network, [self(), Node]), + State#state{remote_node_status = lists:keydelete(Node, 1, RNodeS)}; + true -> + State + end. diff --git a/lib/mnesia/src/mnesia_tm.erl b/lib/mnesia/src/mnesia_tm.erl index e54e5c4e88..17af0cad44 100644 --- a/lib/mnesia/src/mnesia_tm.erl +++ b/lib/mnesia/src/mnesia_tm.erl @@ -181,7 +181,7 @@ mnesia_down(Node) -> %% mnesia_monitor takes care of the sync case whereis(?MODULE) of undefined -> - mnesia_monitor:mnesia_down(?MODULE, {Node, []}); + mnesia_monitor:mnesia_down(?MODULE, Node); Pid -> Pid ! {mnesia_down, Node} end. @@ -403,7 +403,9 @@ doit_loop(#state{coordinators=Coordinators,participants=Participants,supervisor= Tids = gb_trees:keys(Participants), reconfigure_participants(N, gb_trees:values(Participants)), NewState = clear_fixtable(N, State), - mnesia_monitor:mnesia_down(?MODULE, {N, Tids}), + + mnesia_locker:mnesia_down(N, Tids), + mnesia_monitor:mnesia_down(?MODULE, N), doit_loop(NewState); {From, {unblock_me, Tab}} -> |