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/**
* Copyright (C) 2022 The Android Open Source Project
*
* 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.
*/
#include <RtpStack.h>
#include <RtpStackUtil.h>
#include <RtpTrace.h>
RtpStack::RtpStack() :
m_objRtpSessionList(std::list<RtpSession*>()),
m_pobjStackProfile(nullptr)
{
}
RtpStack::~RtpStack()
{
// clear stack profile
if (m_pobjStackProfile != nullptr)
{
delete m_pobjStackProfile;
}
// delete all RTP session objects.
for (auto& pobjRtpSession : m_objRtpSessionList)
{
pobjRtpSession->deleteRtpSession();
}
m_objRtpSessionList.clear();
}
RtpStack::RtpStack(IN RtpStackProfile* pobjStackProfile)
{
m_pobjStackProfile = pobjStackProfile;
}
RtpSession* RtpStack::createRtpSession()
{
RtpDt_UInt32 uiTermNum = m_pobjStackProfile->getTermNumber();
RtpSession* pobjRtpSession = new RtpSession(this);
if (pobjRtpSession == nullptr)
{
RTP_TRACE_WARNING("Memory allocation error.", RTP_ZERO, RTP_ZERO);
return nullptr;
}
// add session into m_objRtpSessionList
m_objRtpSessionList.push_back(pobjRtpSession);
// generate SSRC
RtpDt_UInt32 uiSsrc = RtpStackUtil::generateNewSsrc(uiTermNum);
pobjRtpSession->setSsrc(uiSsrc);
return pobjRtpSession;
}
eRtp_Bool RtpStack::isValidRtpSession(IN RtpSession* pobjSession)
{
for (auto& pobjRtpSesItem : m_objRtpSessionList)
{
// get Rtp Session from list
if (pobjRtpSesItem->compareRtpSessions(pobjSession) == eRTP_SUCCESS)
{
return eRTP_SUCCESS;
}
}
return eRTP_FAILURE;
}
eRTP_STATUS_CODE RtpStack::deleteRtpSession(IN RtpSession* pobjRtpSession)
{
if (pobjRtpSession == nullptr)
{
RTP_TRACE_WARNING("deleteRtpSession, pobjRtpSession is NULL.", RTP_ZERO, RTP_ZERO);
return RTP_INVALID_PARAMS;
}
eRtp_Bool bisRtpSes = eRTP_SUCCESS;
bisRtpSes = isValidRtpSession(pobjRtpSession);
if (bisRtpSes == eRTP_SUCCESS)
{
pobjRtpSession->deleteRtpSession();
m_objRtpSessionList.remove(pobjRtpSession);
return RTP_SUCCESS;
}
return RTP_FAILURE;
}
RtpStackProfile* RtpStack::getStackProfile()
{
return m_pobjStackProfile;
}
RtpDt_Void RtpStack::setStackProfile(IN RtpStackProfile* pobjStackProfile)
{
m_pobjStackProfile = pobjStackProfile;
}
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