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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 ReceivedChanges.cpp
*
*/
#include "ReceivedChanges.h"
namespace eprosima {
namespace fastrtps {
namespace rtps {
ReceivedChanges::ReceivedChanges() {
// TODO Auto-generated constructor stub
m_missingChanges.reserve(1000);
}
ReceivedChanges::~ReceivedChanges() {
// TODO Auto-generated destructor stub
}
bool ReceivedChanges::add(SequenceNumber_t& s)
{
if(s > this->m_largestSequenceNumberReceived)
{
return insertMissingSequenceNumbers(s);
}
else if(s == this->m_largestSequenceNumberReceived)
{
return false;
}
else if(s < this->m_largestSequenceNumberReceived)
{
return missingSequenceNumberReceived(s);
}
return false;
}
bool ReceivedChanges::insertMissingSequenceNumbers(SequenceNumber_t& s)
{
int i = 1;
while(m_largestSequenceNumberReceived+i < s)
{
m_missingChanges.push_back(m_largestSequenceNumberReceived+i);
++i;
}
m_largestSequenceNumberReceived = s;
return true;
}
bool ReceivedChanges::missingSequenceNumberReceived(SequenceNumber_t& s)
{
std::vector<SequenceNumber_t>::iterator it = m_missingChanges.end();
while(it > m_missingChanges.begin())
{
--it;
if(*it == s)
{
m_missingChanges.erase(it);
return true;
}
if(*it< s)
return false;
}
return false;
}
}
} /* namespace rtps */
} /* namespace eprosima */
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