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- // 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.
- /**
- * @file SubscriberListener.h
- */
- #ifndef SUBLISTENER_H_
- #define SUBLISTENER_H_
- #include <fastrtps/fastrtps_dll.h>
- #include <fastrtps/qos/DeadlineMissedStatus.h>
- #include <fastrtps/qos/LivelinessChangedStatus.h>
- namespace eprosima {
- namespace fastrtps {
- namespace rtps {
- class MatchingInfo;
- } /* namespace rtps */
- class Subscriber;
- /**
- * Class SubscriberListener, it should be used by the end user to implement specific callbacks to certain actions.
- * @ingroup FASTRTPS_MODULE
- * @snippet fastrtps_example.cpp ex_SubscriberListener
- */
- class RTPS_DllAPI SubscriberListener
- {
- public:
- SubscriberListener(){}
- virtual ~SubscriberListener(){}
- /**
- * Virtual function to be implemented by the user containing the actions to be performed when a new Data Message is received.
- * @param sub Subscriber
- */
- virtual void onNewDataMessage(Subscriber* sub)
- {
- (void)sub;
- }
- /**
- * Virtual method to be called when the subscriber is matched with a new Writer (or unmatched); i.e., when a writer publishing in the same topic is discovered.
- * @param sub Subscriber
- * @param info Matching information
- */
- virtual void onSubscriptionMatched(
- Subscriber* sub,
- rtps::MatchingInfo& info)
- {
- (void)sub;
- (void)info;
- }
- /**
- * Virtual method to be called when a topic misses the deadline period
- * @param sub Subscriber
- * @param status The requested deadline missed status
- */
- virtual void on_requested_deadline_missed(
- Subscriber* sub,
- const RequestedDeadlineMissedStatus& status)
- {
- (void)sub;
- (void)status;
- }
- /**
- * @brief Method called when the liveliness status associated to a subscriber changes
- * @param sub The subscriber
- * @param status The liveliness changed status
- */
- virtual void on_liveliness_changed(
- Subscriber* sub,
- const LivelinessChangedStatus& status)
- {
- (void)sub;
- (void)status;
- }
- };
- } /* namespace fastrtps */
- } /* namespace eprosima */
- #endif /* LISTENER_H_ */
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