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// Copyright 2019 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 DisablePositiveACKsSubscriber.cpp
*
*/
#include "DisablePositiveACKsSubscriber.h"
#include <fastdds/dds/domain/DomainParticipantFactory.hpp>
#include <fastdds/dds/subscriber/qos/DataReaderQos.hpp>
#include <fastdds/dds/subscriber/SampleInfo.hpp>
using namespace eprosima::fastdds::dds;
using namespace eprosima::fastrtps::rtps;
DisablePositiveACKsSubscriber::DisablePositiveACKsSubscriber()
: participant_(nullptr)
, subscriber_(nullptr)
, reader_(nullptr)
, topic_(nullptr)
, type_(new TopicPubSubType())
{
}
bool DisablePositiveACKsSubscriber::init(
bool disable_positive_acks)
{
// Create Participant
DomainParticipantQos pqos;
pqos.name("Participant_sub");
participant_ = DomainParticipantFactory::get_instance()->create_participant(0, pqos);
if (participant_ == nullptr)
{
return false;
}
// Register type
type_.register_type(participant_);
// Create Subscriber
subscriber_ = participant_->create_subscriber(SUBSCRIBER_QOS_DEFAULT);
if (subscriber_ == nullptr)
{
return false;
}
// Create Topic
topic_ = participant_->create_topic("DisablePositiveACKsTopic", "Topic", TOPIC_QOS_DEFAULT);
if (topic_ == nullptr)
{
return false;
}
// Create datareader
DataReaderQos rqos;
rqos.history().kind = KEEP_ALL_HISTORY_QOS;
rqos.reliability().kind = RELIABLE_RELIABILITY_QOS;
rqos.durability().kind = TRANSIENT_LOCAL_DURABILITY_QOS;
rqos.reliable_reader_qos().disable_positive_ACKs.enabled = disable_positive_acks;
reader_ = subscriber_->create_datareader(topic_, rqos, &listener);
if (reader_ == nullptr)
{
return false;
}
return true;
}
DisablePositiveACKsSubscriber::~DisablePositiveACKsSubscriber()
{
if (reader_ != nullptr)
{
subscriber_->delete_datareader(reader_);
}
if (topic_ != nullptr)
{
participant_->delete_topic(topic_);
}
if (subscriber_ != nullptr)
{
participant_->delete_subscriber(subscriber_);
}
DomainParticipantFactory::get_instance()->delete_participant(participant_);
}
void DisablePositiveACKsSubscriber::SubListener::on_subscription_matched(
DataReader*,
const SubscriptionMatchedStatus& info)
{
if (info.current_count_change == 1)
{
n_matched = info.total_count;
std::cout << "Subscriber matched." << std::endl;
}
else if (info.current_count_change == -1)
{
n_matched = info.total_count;
std::cout << "Subscriber unmatched." << std::endl;
}
else
{
std::cout << info.current_count_change
<< " is not a valid value for SubscriptionMatchedStatus current count change" << std::endl;
}
}
void DisablePositiveACKsSubscriber::SubListener::on_data_available(
DataReader* reader)
{
SampleInfo info;
if (reader->take_next_sample(&hello, &info) == ReturnCode_t::RETCODE_OK)
{
if (info.valid_data)
{
this->n_samples++;
std::cout << "Message with index " << hello.index() << " RECEIVED" << std::endl;
}
}
}
void DisablePositiveACKsSubscriber::run(
uint32_t number)
{
std::cout << "Subscriber running until " << number << " samples have been received" << std::endl;
while (number > this->listener.n_samples)
{
std::this_thread::sleep_for(std::chrono::milliseconds(500));
}
}
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