Provide API to set socket channel in session object.

Change-Id: I7d9620c4a34bb8bb85ed6f60ac8b2032355087f6
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/message_handler.cpp b/message_handler.cpp
index 8332517..a68f36b 100644
--- a/message_handler.cpp
+++ b/message_handler.cpp
@@ -179,5 +179,13 @@
     return writeStatus;
 }
 
+void Handler::setChannelInSession() const
+{
+    auto session = (std::get<session::Manager&>(singletonPool).getSession(
+                    sessionID)).lock();
+
+    session->channelPtr = channel;
+}
+
 } //namespace message