diff options
Diffstat (limited to 'lib/mnesia/src')
-rw-r--r-- | lib/mnesia/src/mnesia_loader.erl | 126 | ||||
-rw-r--r-- | lib/mnesia/src/mnesia_monitor.erl | 6 |
2 files changed, 39 insertions, 93 deletions
diff --git a/lib/mnesia/src/mnesia_loader.erl b/lib/mnesia/src/mnesia_loader.erl index e785b795d1..a2a1b64e14 100644 --- a/lib/mnesia/src/mnesia_loader.erl +++ b/lib/mnesia/src/mnesia_loader.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2010. All Rights Reserved. +%% Copyright Ericsson AB 1998-2011. 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 @@ -27,7 +27,6 @@ net_load_table/4, send_table/3]). --export([old_node_init_table/6]). %% Spawned old node protocol conversion hack -export([spawned_receiver/8]). %% Spawned lock taking process -import(mnesia_lib, [set/2, fatal/2, verbose/2, dbg_out/2]). @@ -291,16 +290,8 @@ start_remote_sender(Node,Tab,Storage) -> end. table_init_fun(SenderPid) -> - PConv = mnesia_monitor:needs_protocol_conversion(node(SenderPid)), - MeMyselfAndI = self(), fun(read) -> - Receiver = - if - PConv == true -> - MeMyselfAndI ! {actual_tabrec, self()}, - MeMyselfAndI; %% Old mnesia - PConv == false -> self() - end, + Receiver = self(), SenderPid ! {Receiver, more}, get_data(SenderPid, Receiver) end. @@ -345,11 +336,9 @@ do_init_table(Tab,Storage,Cs,SenderPid, Node = node(SenderPid), put(mnesia_table_receiver, {Tab, Node, SenderPid}), mnesia_tm:block_tab(Tab), - PConv = mnesia_monitor:needs_protocol_conversion(Node), - - case init_table(Tab,Storage,Init,PConv,DetsInfo,SenderPid) of - ok -> - tab_receiver(Node,Tab,Storage,Cs,PConv,OrigTabRec); + case init_table(Tab,Storage,Init,DetsInfo,SenderPid) of + ok -> + tab_receiver(Node,Tab,Storage,Cs,OrigTabRec); Reason -> Msg = "[d]ets:init table failed", verbose("~s: ~p: ~p~n", [Msg, Tab, Reason]), @@ -390,50 +379,26 @@ create_table(Tab, TabSize, Storage, Cs) -> end end. -tab_receiver(Node, Tab, Storage, Cs, PConv, OrigTabRec) -> +tab_receiver(Node, Tab, Storage, Cs, OrigTabRec) -> receive - {SenderPid, {no_more, DatBin}} when PConv == false -> + {SenderPid, {no_more, DatBin}} -> finish_copy(Storage,Tab,Cs,SenderPid,DatBin,OrigTabRec); - - %% Protocol conversion hack - {SenderPid, {no_more, DatBin}} when is_pid(PConv) -> - PConv ! {SenderPid, no_more}, - receive - {old_init_table_complete, ok} -> - finish_copy(Storage, Tab, Cs, SenderPid, DatBin,OrigTabRec); - {old_init_table_complete, Reason} -> - Msg = "OLD: [d]ets:init table failed", - verbose("~s: ~p: ~p~n", [Msg, Tab, Reason]), - down(Tab, Storage) - end; - - {actual_tabrec, Pid} -> - tab_receiver(Node, Tab, Storage, Cs, Pid,OrigTabRec); - - {SenderPid, {more, [Recs]}} when is_pid(PConv) -> - PConv ! {SenderPid, {more, Recs}}, %% Forward Msg to OldNodes - tab_receiver(Node, Tab, Storage, Cs, PConv,OrigTabRec); - {'EXIT', PConv, Reason} -> %% [d]ets:init process crashed - Msg = "Receiver crashed", - verbose("~s: ~p: ~p~n", [Msg, Tab, Reason]), - down(Tab, Storage); - %% Protocol conversion hack {copier_done, Node} -> verbose("Sender of table ~p crashed on node ~p ~n", [Tab, Node]), down(Tab, Storage); - + {'EXIT', Pid, Reason} -> handle_exit(Pid, Reason), - tab_receiver(Node, Tab, Storage, Cs, PConv,OrigTabRec) + tab_receiver(Node, Tab, Storage, Cs, OrigTabRec) end. make_table_fun(Pid, TabRec) -> fun(close) -> ok; (read) -> - get_data(Pid, TabRec) + get_data(Pid, TabRec) end. get_data(Pid, TabRec) -> @@ -448,7 +413,7 @@ get_data(Pid, TabRec) -> end_of_input; {copier_done, Node} -> case node(Pid) of - Node -> + Node -> {copier_done, Node}; _ -> get_data(Pid, TabRec) @@ -458,10 +423,10 @@ get_data(Pid, TabRec) -> get_data(Pid, TabRec) end. -init_table(Tab, disc_only_copies, Fun, false, DetsInfo,Sender) -> +init_table(Tab, disc_only_copies, Fun, DetsInfo,Sender) -> ErtsVer = erlang:system_info(version), case DetsInfo of - {ErtsVer, DetsData} -> + {ErtsVer, DetsData} -> Res = (catch dets:is_compatible_bchunk_format(Tab, DetsData)), case Res of {'EXIT',{undef,[{dets,_,_}|_]}} -> @@ -481,22 +446,13 @@ init_table(Tab, disc_only_copies, Fun, false, DetsInfo,Sender) -> _ -> dets:init_table(Tab, Fun) end; -init_table(Tab, _, Fun, false, _DetsInfo,_) -> +init_table(Tab, _, Fun, _DetsInfo,_) -> case catch ets:init_table(Tab, Fun) of true -> ok; {'EXIT', Else} -> Else - end; -init_table(Tab, Storage, Fun, true, _DetsInfo, Sender) -> %% Old Nodes - spawn_link(?MODULE, old_node_init_table, - [Tab, Storage, Fun, self(), false, Sender]), - ok. + end. -old_node_init_table(Tab, Storage, Fun, TabReceiver, DetsInfo,Sender) -> - Res = init_table(Tab, Storage, Fun, false, DetsInfo,Sender), - TabReceiver ! {old_init_table_complete, Res}, - unlink(TabReceiver), - ok. finish_copy(Storage,Tab,Cs,SenderPid,DatBin,OrigTabRec) -> TabRef = {Storage, Tab}, @@ -654,15 +610,13 @@ send_table(Pid, Tab, RemoteS) -> Storage -> %% Send first TabSize = mnesia:table_info(Tab, size), - Pconvert = mnesia_monitor:needs_protocol_conversion(node(Pid)), KeysPerTransfer = calc_nokeys(Storage, Tab), ChunkData = dets:info(Tab, bchunk_format), UseDetsChunk = Storage == RemoteS andalso Storage == disc_only_copies andalso - ChunkData /= undefined andalso - Pconvert == false, + ChunkData /= undefined, if UseDetsChunk == true -> DetsInfo = erlang:system_info(version), @@ -677,7 +631,7 @@ send_table(Pid, Tab, RemoteS) -> SendIt = fun() -> prepare_copy(Pid, Tab, Storage), - send_more(Pid, 1, Chunk, Init(), Tab, Pconvert), + send_more(Pid, 1, Chunk, Init(), Tab), finish_copy(Pid, Tab, Storage, RemoteS) end, @@ -736,20 +690,20 @@ update_where_to_write([H|T], Tab, AddNode) -> [{update_where_to_write, [add, Tab, AddNode], self()}]), update_where_to_write(T, Tab, AddNode). -send_more(Pid, N, Chunk, DataState, Tab, OldNode) -> +send_more(Pid, N, Chunk, DataState, Tab) -> receive {NewPid, more} -> - case send_packet(N - 1, NewPid, Chunk, DataState, OldNode) of - New when is_integer(New) -> + case send_packet(N - 1, NewPid, Chunk, DataState) of + New when is_integer(New) -> New - 1; NewData -> - send_more(NewPid, ?MAX_NOPACKETS, Chunk, NewData, Tab, OldNode) + send_more(NewPid, ?MAX_NOPACKETS, Chunk, NewData, Tab) end; {_NewPid, {old_protocol, Tab}} -> Storage = val({Tab, storage_type}), - {Init, NewChunk} = + {Init, NewChunk} = reader_funcs(false, Tab, Storage, calc_nokeys(Storage, Tab)), - send_more(Pid, 1, NewChunk, Init(), Tab, OldNode); + send_more(Pid, 1, NewChunk, Init(), Tab); {copier_done, Node} when Node == node(Pid)-> verbose("Receiver of table ~p crashed on ~p (more)~n", [Tab, Node]), @@ -770,7 +724,7 @@ dets_bchunk(Tab, Chunk) -> %% Arrg case dets:bchunk(Tab, Chunk) of {Cont, Data} -> {Data, Cont}; Else -> Else - end. + end. zlib_compress(Data, Level) -> BinData = term_to_binary(Data), @@ -793,28 +747,20 @@ compression_level() -> Val -> Val end. -send_packet(N, Pid, _Chunk, '$end_of_table', OldNode) -> - case OldNode of - true -> ignore; %% Old nodes can't handle the new no_more - false -> Pid ! {self(), no_more} - end, +send_packet(N, Pid, _Chunk, '$end_of_table') -> + Pid ! {self(), no_more}, N; -send_packet(N, Pid, Chunk, {[], Cont}, OldNode) -> - send_packet(N, Pid, Chunk, Chunk(Cont), OldNode); -send_packet(N, Pid, Chunk, {Recs, Cont}, OldNode) when N < ?MAX_NOPACKETS -> - case OldNode of - true -> - Pid ! {self(), {more, [Recs]}}; %% Old need's wrapping list - false -> - case compression_level() of - 0 -> - Pid ! {self(), {more, Recs}}; - Level -> - Pid ! {self(), {more_z, zlib_compress(Recs, Level)}} - end +send_packet(N, Pid, Chunk, {[], Cont}) -> + send_packet(N, Pid, Chunk, Chunk(Cont)); +send_packet(N, Pid, Chunk, {Recs, Cont}) when N < ?MAX_NOPACKETS -> + case compression_level() of + 0 -> + Pid ! {self(), {more, Recs}}; + Level -> + Pid ! {self(), {more_z, zlib_compress(Recs, Level)}} end, - send_packet(N+1, Pid, Chunk, Chunk(Cont), OldNode); -send_packet(_N, _Pid, _Chunk, DataState, _OldNode) -> + send_packet(N+1, Pid, Chunk, Chunk(Cont)); +send_packet(_N, _Pid, _Chunk, DataState) -> DataState. finish_copy(Pid, Tab, Storage, RemoteS) -> diff --git a/lib/mnesia/src/mnesia_monitor.erl b/lib/mnesia/src/mnesia_monitor.erl index b6eda9ad3a..c06b04a5e1 100644 --- a/lib/mnesia/src/mnesia_monitor.erl +++ b/lib/mnesia/src/mnesia_monitor.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. All Rights Reserved. +%% Copyright Ericsson AB 1996-2011. 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 @@ -80,9 +80,9 @@ going_down = [], tm_started = false, early_connects = [], connecting, mq = []}). --define(current_protocol_version, {7,6}). +-define(current_protocol_version, {8,0}). --define(previous_protocol_version, {7,5}). +-define(previous_protocol_version, {7,6}). start() -> gen_server:start_link({local, ?MODULE}, ?MODULE, |