added Channel::ready() method

include/amqpcpp/channel.h

@@ -124,6 +124,15 @@ public:
         return _implementation->resume();
     }
 
+    /**
+     *  Is the channel ready / has it passed the initial handshake?
+     *  @return bool
+     */
+    bool ready() const
+    {
+        return _implementation->ready();
+    }
+
     /**
      *  Is the channel usable / not yet closed?
      *  @return bool

include/amqpcpp/channelimpl.h

@@ -260,6 +260,15 @@ public:
         return _state == state_connected || _state == state_ready;
     }
 
+    /**
+     *  Is the channel ready / has it passed the initial handshake?
+     *  @return bool
+     */
+    bool ready() const
+    {
+        return _state == state_ready;
+    }
+
     /**
      *  Put channel in a confirm mode (RabbitMQ specific)
      */