Merge branch 'hans/ssh/channel_testsuite/OTP-15051'

* hans/ssh/channel_testsuite/OTP-15051:
  ssh: Channel testsuite

1 files changed, 143 insertions, 0 deletions

diff --git a/lib/ssh/test/ssh_chan_behaviours_client.erl b/lib/ssh/test/ssh_chan_behaviours_client.erl
new file mode 100644
index 0000000000..07ac21ba97
--- /dev/null
+++ b/lib/ssh/test/ssh_chan_behaviours_client.erl
@@ -0,0 +1,143 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2005-2016. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%%     http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+%%
+
+%%% Description: Example ssh client
+-module(ssh_chan_behaviours_client).
+-behaviour(ssh_client_channel).
+-record(state, {
+          parent,
+          cm,
+          ch,
+          dbg
+         }).
+-export([start_link/1, start/1,
+         stop/1, send_eof/1,
+         init/1, handle_msg/2, handle_ssh_msg/2, terminate/2,
+         code_change/3, handle_call/3, handle_cast/2
+        ]).
+
+-define(DBG(State,Fmt,Args),
+        case State#state.dbg of
+            true -> ct:log("~p:~p ~p C=~p Ch=~p "++Fmt,
+                           [?MODULE,?LINE,self(),State#state.cm,State#state.ch|Args]);
+            false -> ok
+        end).
+
+
+start_link(C) ->
+    {ok, Ch} = ssh_connection:session_channel(C, infinity),
+    ssh_client_channel:start_link(C, Ch, ssh_chan_behaviours_client, [C, Ch, self(), true]).
+
+start(C) ->
+    {ok, Ch} = ssh_connection:session_channel(C, infinity),
+    ssh_client_channel:start(C, Ch, ssh_chan_behaviours_client, [C, Ch, self(), true]).
+
+send_eof(ChRef) ->
+    ssh_client_channel:call(ChRef, send_eof).
+
+stop(ChRef) ->
+    ssh_client_channel:call(ChRef, stop).
+
+
+init([C, Ch, Parent, Dbg|_Exec]) ->
+    case ssh_connection:subsystem(C, Ch, "ch1", infinity) of
+        success ->
+            State = #state{cm = C,
+                           ch = Ch,
+                           parent=Parent,
+                           dbg=Dbg},
+            ?DBG(State, "callback spawned, parent = ~p", [Parent]),
+            {ok, State};
+
+        Other ->
+            {stop, Other}
+    end.
+
+handle_msg({ssh_channel_up, ChannelId, ConnectionManager}=M, State0) ->
+    State = State0#state{cm = ConnectionManager,
+                         ch = ChannelId},
+    tell_parent(M, State),
+    ?DBG(State, "ssh_channel_up",[]),
+    {ok, State}.
+
+handle_ssh_msg({ssh_cm, C, {data, Ch, 0, Data}}=M, #state{ch=Ch,cm=C} = State) ->
+    tell_parent(M, State),
+    ?DBG(State, "ssh_cm data size(Data)=~p",[size(Data)]),
+    {ok, State};
+
+handle_ssh_msg({ssh_cm, C, {data, Ch, Type, Data}}=M, #state{ch=Ch,cm=C} = State) ->
+    tell_parent(M, State),
+    ?DBG(State, "ssh_cm data Type=~p : ~p",[Type,Data]),
+    {ok, State};
+
+handle_ssh_msg({ssh_cm, C, {eof, Ch}}=M, #state{ch=Ch,cm=C} = State) ->
+    tell_parent(M, State),
+    ?DBG(State, "eof",[]),
+    {ok, State};
+
+handle_ssh_msg({ssh_cm, C, {signal, _Ch, _SigNameStr}=Sig} = M, #state{ch=Ch,cm=C} = State) ->
+    %% Ignore signals according to RFC 4254 section 6.9.
+    tell_parent(M, State),
+    ?DBG(State, "~p",[Sig]),
+    {ok, State};
+
+handle_ssh_msg({ssh_cm, C, {exit_signal, Ch, _, _Error, _}=Sig}=M, #state{ch=Ch,cm=C} = State) ->
+    tell_parent(M, State),
+    ?DBG(State, "~p",[Sig]),
+    {stop, Ch, State};
+
+handle_ssh_msg({ssh_cm, C, {exit_status, Ch, _Status}=Sig}=M, #state{ch=Ch,cm=C} = State) ->
+    tell_parent(M, State),
+    ?DBG(State, "~p",[Sig]),
+    {stop, Ch, State}.
+
+
+handle_call(send_eof, _From,#state{ch=Ch,cm=C} =  State) ->
+    {reply, ssh_connection:send_eof(C,Ch), State};
+
+handle_call(stop, _From, State) ->
+    {stop, normal, ok, State};
+
+handle_call(Msg, _From, State) ->
+    ?DBG(State, "Unknown call ~p", [Msg]),
+    {reply, {unknown_call,Msg}, State}.
+
+
+terminate(Reason, State) ->
+    tell_parent({terminate,Reason}, State),
+    ?DBG(State, "terminate Reason = ~p",[Reason]).
+
+
+handle_cast(Msg, State) -> 
+    ?DBG(State, "Unknown cast ~p", [Msg]),
+    {noreply, State}.
+
+code_change(_OldVsn, State, _Extra) -> {ok, State}.
+
+%%%================================================================
+%%%
+%%%
+
+tell_parent(Msg, #state{parent = Parent,
+                        cm = C,
+                        ch = Ch}) -> Parent ! {{C,Ch}, Msg}.
+