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-rw-r--r--lib/kernel/include/dist_util.hrl87
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diff --git a/lib/kernel/include/dist_util.hrl b/lib/kernel/include/dist_util.hrl
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+%%
+%% %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.
+