ZLMediaKit/src/Rtsp/UDPServer.cpp
2018-07-03 17:10:11 +08:00

123 lines
3.7 KiB
C++

/*
* MIT License
*
* Copyright (c) 2016 xiongziliang <771730766@qq.com>
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "UDPServer.h"
#include "Util/TimeTicker.h"
using namespace ZL::Util;
namespace ZL {
namespace Rtsp {
UDPServer &UDPServer::Instance() {
static UDPServer *instance(new UDPServer());
return *instance;
}
void UDPServer::Destory() {
delete &UDPServer::Instance();
}
UDPServer::UDPServer() {
}
UDPServer::~UDPServer() {
InfoL;
}
Socket::Ptr UDPServer::getSock(const char* strLocalIp, int iTrackIndex,uint16_t iLocalPort) {
lock_guard<mutex> lck(m_mtxUpdSock);
string strKey = StrPrinter << strLocalIp << ":" << iTrackIndex << endl;
auto it = m_mapUpdSock.find(strKey);
if (it == m_mapUpdSock.end()) {
Socket::Ptr pSock(new Socket());
//InfoL<<localIp;
if (!pSock->bindUdpSock(iLocalPort, strLocalIp)) {
//分配失败
return nullptr;
}
pSock->setOnRead(bind(&UDPServer::onRcvData, this, iTrackIndex, placeholders::_1,placeholders::_2));
pSock->setOnErr(bind(&UDPServer::onErr, this, strKey, placeholders::_1));
m_mapUpdSock[strKey] = pSock;
DebugL << strLocalIp << " " << pSock->get_local_port() << " " << iTrackIndex;
return pSock;
}
return it->second;
}
void UDPServer::listenPeer(const char* strPeerIp, void* pSelf, const onRecvData& cb) {
lock_guard<mutex> lck(m_mtxDataHandler);
auto &mapRef = m_mapDataHandler[strPeerIp];
mapRef.emplace(pSelf, cb);
}
void UDPServer::stopListenPeer(const char* strPeerIp, void* pSelf) {
lock_guard<mutex> lck(m_mtxDataHandler);
auto it0 = m_mapDataHandler.find(strPeerIp);
if (it0 == m_mapDataHandler.end()) {
return;
}
auto &mapRef = it0->second;
auto it1 = mapRef.find(pSelf);
if (it1 != mapRef.end()) {
mapRef.erase(it1);
}
if (mapRef.size() == 0) {
m_mapDataHandler.erase(it0);
}
}
void UDPServer::onErr(const string& strKey, const SockException& err) {
WarnL << err.what();
lock_guard<mutex> lck(m_mtxUpdSock);
m_mapUpdSock.erase(strKey);
}
void UDPServer::onRcvData(int iTrackIndex, const Buffer::Ptr &pBuf, struct sockaddr* pPeerAddr) {
//TraceL << trackIndex;
struct sockaddr_in *in = (struct sockaddr_in *) pPeerAddr;
string peerIp = inet_ntoa(in->sin_addr);
lock_guard<mutex> lck(m_mtxDataHandler);
auto it0 = m_mapDataHandler.find(peerIp);
if (it0 == m_mapDataHandler.end()) {
return;
}
auto &mapRef = it0->second;
for (auto it1 = mapRef.begin(); it1 != mapRef.end(); ++it1) {
onRecvData &funRef = it1->second;
if (!funRef(iTrackIndex, pBuf, pPeerAddr)) {
it1 = mapRef.erase(it1);
}
}
if (mapRef.size() == 0) {
m_mapDataHandler.erase(it0);
}
}
} /* namespace Rtsp */
} /* namespace ZL */