.. _program_listing_file__tmp_ws_src_fastrtps_include_fastdds_rtps_builtin_liveliness_WLPListener.h:

Program Listing for File WLPListener.h
======================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_fastrtps_include_fastdds_rtps_builtin_liveliness_WLPListener.h>` (``/tmp/ws/src/fastrtps/include/fastdds/rtps/builtin/liveliness/WLPListener.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2016 Proyectos y Sistemas de Mantenimiento SL (eProsima).
   //
   // 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.
   
   #ifndef _FASTDDS_RTPS_WLPLISTENER_H_
   #define _FASTDDS_RTPS_WLPLISTENER_H_
   #ifndef DOXYGEN_SHOULD_SKIP_THIS_PUBLIC
   
   #include <fastdds/rtps/reader/ReaderListener.h>
   #include <fastdds/rtps/common/Guid.h>
   #include <fastdds/rtps/common/InstanceHandle.h>
   
   #include <fastrtps/qos/QosPolicies.h>
   
   namespace eprosima {
   namespace fastrtps{
   namespace rtps {
   
   class WLP;
   class RTPSReader;
   struct CacheChange_t;
   
   class WLPListener: public ReaderListener {
   public:
   
       WLPListener(WLP* pwlp);
   
       virtual ~WLPListener();
   
       void onNewCacheChangeAdded(
               RTPSReader* reader,
               const CacheChange_t* const  change) override;
   
   private:
   
       bool separateKey(
               InstanceHandle_t& key,
               GuidPrefix_t* guidP,
               LivelinessQosPolicyKind* liveliness);
   
       bool computeKey(CacheChange_t* change);
   
       WLP* mp_WLP;
   
   };
   
   } /* namespace rtps */
   } /* namespace eprosima */
   }
   #endif
   #endif /* _FASTDDS_RTPS_WLPLISTENER_H_ */