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Diffstat (limited to 'lib/kernel/src/dist_util.hrl')
| -rw-r--r-- | lib/kernel/src/dist_util.hrl | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/lib/kernel/src/dist_util.hrl b/lib/kernel/src/dist_util.hrl new file mode 100644 index 0000000000..f2b0598532 --- /dev/null +++ b/lib/kernel/src/dist_util.hrl @@ -0,0 +1,87 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1999-2009. 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% +%% uncomment this if tracing of handshake etc is wanted +%%-define(dist_trace, true). +%%-define(dist_debug, true). + + +-ifdef(dist_debug). +-define(debug(Term), erlang:display(Term)). +-else. +-define(debug(Term), ok). +-endif. + +-ifdef(dist_trace). +-define(trace(Fmt,Args), io:format("~p ~p:~s",[erlang:now(),node(),lists:flatten(io_lib:format(Fmt, Args))])). +% Use the one below for config-file (early boot) connection tracing +%-define(trace(Fmt,Args), erlang:display([erlang:now(),node(),lists:flatten(io_lib:format(Fmt, Args))])). +-define(trace_factor,8). +-else. +-define(trace(Fmt,Args), ok). +-define(trace_factor,1). +-endif. + +-define(shutdown(Data), dist_util:shutdown(?MODULE, ?LINE, Data)). +-define(shutdown2(Data, Reason), dist_util:shutdown(?MODULE, ?LINE, Data, Reason)). + +%% Handshake state structure +-record(hs_data, { + kernel_pid, %% Pid of net_kernel + other_node, %% Name of peer + this_node, %% my nodename + socket, %% The connection "socket" + timer, %% The setup timer + %% (stream_dist_handshake:start_timer) + this_flags, %% Flags my node should use + allowed, %% Allowed nodes list + other_version, %% The other nodes distribution version + other_flags, %% The other nodes flags. + other_started, %% True if the other node initiated. + f_send, %% Fun that behaves like gen_tcp:send + f_recv, %% Fun that behaves like gen_tcp:recv + f_setopts_pre_nodeup, %% Sets "socket" options before + %% nodeup is delivered to net_kernel + f_setopts_post_nodeup, %% Sets "socket" options after + %% nodeup is delivered + f_getll, %% Get low level port or pid. + f_address, %% The address of the "socket", + %% generated from Socket,Node + %% These two are used in the tick loop, + %% so they are not fun's to avoid holding old code. + mf_tick, %% Takes the socket as parameters and + %% sends a tick, this is no fun, it + %% is a tuple {M,F}. + %% Is should place {tcp_closed, Socket} + %% in the message queue on failure. + mf_getstat, %% Returns + %% {ok, RecvCnt, SendCnt, SendPend} for + %% a given socket. This is a {M,F}, + %% returning {error, Reason on failure} + request_type = normal +}). + + +%% The following should be filled in upon enter of... +%% - handshake_we_started: +%% kernel_pid, other_node, this_node, socket, timer, +%% this_flags, other_version, All fun's/mf's. +%% - handshake_other_started: +%% kernel_pid, this_node, socket, timer, +%% this_flags, allowed, All fun's/mf's. + |