完成离线消息发送和上线获取离线消息

Config/NetworkProtocol/Outer/ChatMessage.proto

@@ -65,6 +65,18 @@ message Caht2C_SendMessageResponse // ICustomRouteResponse
 	
 }
 
+///获取离线时的未读私聊
+message C2Chat_GetOfflineMessageRequest // ICustomRouteRequest,Caht2C_GetOfflineMessageResponse,ChatRoute
+{
+	
+}
+
+///发送聊天响应
+message Caht2C_GetOfflineMessageResponse // ICustomRouteResponse
+{
+	repeated ChatMessageInfo Message = 1;
+}
+
 ///推送消息
 message Chat2C_Message // ICustomRouteMessage,ChatRoute
 {