From 6da38730c44a1fc39d651d476b8a23e2cf62c8ea Mon Sep 17 00:00:00 2001
From: "Linus.yuan" <yuan_shijiang@163.com>
Date: Wed, 14 Jan 2015 23:19:03 +0800
Subject: Add client example for using the SSH module

---
 lib/ssh/examples/Makefile       |  5 ++--
 lib/ssh/examples/ssh_device.erl | 62 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+), 2 deletions(-)
 create mode 100644 lib/ssh/examples/ssh_device.erl

(limited to 'lib')

diff --git a/lib/ssh/examples/Makefile b/lib/ssh/examples/Makefile
index de019f75b5..9280c42076 100644
--- a/lib/ssh/examples/Makefile
+++ b/lib/ssh/examples/Makefile
@@ -1,7 +1,7 @@
 #
 # %CopyrightBegin%
 #
-# Copyright Ericsson AB 2005-2012. All Rights Reserved.
+# Copyright Ericsson AB 2005-2015. 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
@@ -38,7 +38,8 @@ RELSYSDIR = $(RELEASE_PATH)/lib/ssh-$(VSN)
 
 
 MODULES = \
-	ssh_sample_cli
+	ssh_sample_cli \
+	ssh_device.erl 
 
 ERL_FILES= $(MODULES:=.erl)
 
diff --git a/lib/ssh/examples/ssh_device.erl b/lib/ssh/examples/ssh_device.erl
new file mode 100644
index 0000000000..f6be812915
--- /dev/null
+++ b/lib/ssh/examples/ssh_device.erl
@@ -0,0 +1,62 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2005-2015. 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%
+%%
+
+-module(ssh_device).
+
+%% api
+-export([ssh_device/5]).
+
+%%% I wrote this because of i think a fully ssh client sample will be easy to start the ssh module better than
+%%% go though each function file.
+ssh_device(Host, Port, User, Pass, Cmd) ->
+    ssh:start(),
+    case ssh:connect(Host, Port,
+		     [{user, User}, {password, Pass},
+		      {silently_accept_hosts, true}, {quiet_mode, true}])
+	of
+      {ok, Conn} ->
+	  {ok, ChannelId} = ssh_connection:session_channel(Conn,
+							   infinity),
+	  ssh_connection:exec(Conn, ChannelId, Cmd, infinity),
+	  Init_rep = <<>>,
+	  wait_for_response(Conn, Host, Init_rep),
+	  ssh:close(Conn);
+      {error, nxdomain} ->
+          {error,nxdomain}
+    end.
+
+%%--------------------------------------------------------------------
+%%% Internal application API
+%%--------------------------------------------------------------------
+wait_for_response(Conn, Host, Acc) ->
+    receive
+      {ssh_cm, Conn, Msg} ->
+	  case Msg of
+	    {closed, _ChannelId} ->
+		{ok,Acc};
+	    {data, _, _, A} ->
+		Acc2 = <<Acc/binary, A/binary>>,
+		wait_for_response(Conn, Host, Acc2);
+	    _ ->
+		wait_for_response(Conn, Host, Acc)
+	  end
+    after 
+    	5000 ->
+    	        {error,timeout}
+    end.
-- 
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