GB28181单端口接收流支持多线程

ZLToolKit @ 0c371464

-Subproject commit 58d0e6a4488a290e966b2a0535445dc75af0529c
+Subproject commit 0c37146426d8fb0a6d98472739ec3bcc683922db

src/Rtp/RtpServer.cpp

@@ -86,55 +86,69 @@ private:
 
 void RtpServer::start(uint16_t local_port, const string &stream_id,  bool enable_tcp, const char *local_ip) {
     //创建udp服务器
-    Socket::Ptr udp_server = Socket::createSocket(nullptr, true);
-    Socket::Ptr rtcp_server = Socket::createSocket(nullptr, true);
+    Socket::Ptr rtp_socket = Socket::createSocket(nullptr, true);
+    Socket::Ptr rtcp_socket = Socket::createSocket(nullptr, true);
     if (local_port == 0) {
         //随机端口，rtp端口采用偶数
-        auto pair = std::make_pair(udp_server, rtcp_server);
+        auto pair = std::make_pair(rtp_socket, rtcp_socket);
         makeSockPair(pair, local_ip);
         //取偶数端口
-        udp_server = pair.first;
-        rtcp_server = pair.second;
-    } else if (!udp_server->bindUdpSock(local_port, local_ip)) {
+        rtp_socket = pair.first;
+        rtcp_socket = pair.second;
+    } else if (!rtp_socket->bindUdpSock(local_port, local_ip)) {
         //用户指定端口
         throw std::runtime_error(StrPrinter << "创建rtp端口 " << local_ip << ":" << local_port << " 失败:" << get_uv_errmsg(true));
-    } else if(!rtcp_server->bindUdpSock(udp_server->get_local_port() + 1, local_ip)) {
+    } else if(!rtcp_socket->bindUdpSock(rtp_socket->get_local_port() + 1, local_ip)) {
         // rtcp端口
         throw std::runtime_error(StrPrinter << "创建rtcp端口 " << local_ip << ":" << local_port << " 失败:" << get_uv_errmsg(true));
     }
 
     //设置udp socket读缓存
-    SockUtil::setRecvBuf(udp_server->rawFD(), 4 * 1024 * 1024);
+    SockUtil::setRecvBuf(rtp_socket->rawFD(), 4 * 1024 * 1024);
 
     TcpServer::Ptr tcp_server;
     if (enable_tcp) {
         //创建tcp服务器
-        tcp_server = std::make_shared<TcpServer>(udp_server->getPoller());
+        tcp_server = std::make_shared<TcpServer>(rtp_socket->getPoller());
         (*tcp_server)[RtpSession::kStreamID] = stream_id;
-        tcp_server->start<RtpSession>(udp_server->get_local_port(), local_ip);
+        (*tcp_server)[RtpSession::kIsUDP] = 0;
+        tcp_server->start<RtpSession>(rtp_socket->get_local_port(), local_ip);
     }
 
+    //创建udp服务器
+    UdpServer::Ptr udp_server;
     RtpProcess::Ptr process;
     if (!stream_id.empty()) {
         //指定了流id，那么一个端口一个流(不管是否包含多个ssrc的多个流，绑定rtp源后，会筛选掉ip端口不匹配的流)
+        //由于是一个端口一个流，单线程处理即可
         process = RtpSelector::Instance().getProcess(stream_id, true);
-        RtcpHelper::Ptr helper = std::make_shared<RtcpHelper>(std::move(rtcp_server), 90000);
+        RtcpHelper::Ptr helper = std::make_shared<RtcpHelper>(std::move(rtcp_socket), 90000);
         helper->startRtcp();
-        udp_server->setOnRead([udp_server, process, helper](const Buffer::Ptr &buf, struct sockaddr *addr, int addr_len) {
+        rtp_socket->setOnRead([rtp_socket, process, helper](const Buffer::Ptr &buf, struct sockaddr *addr, int addr_len) {
             helper->onRecvRtp(buf, addr, addr_len);
-            process->inputRtp(true, udp_server, buf->data(), buf->size(), addr);
+            process->inputRtp(true, rtp_socket, buf->data(), buf->size(), addr);
         });
     } else {
-        //未指定流id，一个端口多个流，通过ssrc来分流
+#if 1
+        //单端口多线程接收多个流，根据ssrc区分流
+        udp_server = std::make_shared<UdpServer>(rtp_socket->getPoller());
+        (*udp_server)[RtpSession::kIsUDP] = 1;
+        udp_server->start<RtpSession>(rtp_socket->get_local_port(), local_ip);
+        rtp_socket = nullptr;
+#else
+        //单端口单线程接收多个流
         auto &ref = RtpSelector::Instance();
-        udp_server->setOnRead([&ref, udp_server](const Buffer::Ptr &buf, struct sockaddr *addr, int) {
-            ref.inputRtp(udp_server, buf->data(), buf->size(), addr);
+        rtp_socket->setOnRead([&ref, rtp_socket](const Buffer::Ptr &buf, struct sockaddr *addr, int) {
+            ref.inputRtp(rtp_socket, buf->data(), buf->size(), addr);
         });
+#endif
     }
 
-    _on_clearup = [udp_server, process, stream_id]() {
-        //去除循环引用
-        udp_server->setOnRead(nullptr);
+    _on_clearup = [rtp_socket, process, stream_id]() {
+        if (rtp_socket) {
+            //去除循环引用
+            rtp_socket->setOnRead(nullptr);
+        }
         if (process) {
             //删除rtp处理器
             RtpSelector::Instance().delProcess(stream_id, process.get());
@@ -143,6 +157,7 @@ void RtpServer::start(uint16_t local_port, const string &stream_id,  bool enable
 
     _tcp_server = tcp_server;
     _udp_server = udp_server;
+    _rtp_socket = rtp_socket;
     _rtp_process = process;
 }
 
@@ -152,12 +167,8 @@ void RtpServer::setOnDetach(const function<void()> &cb){
     }
 }
 
-EventPoller::Ptr RtpServer::getPoller() {
-    return _udp_server->getPoller();
-}
-
 uint16_t RtpServer::getPort() {
-    return _udp_server ? _udp_server->get_local_port() : 0;
+    return _udp_server ? _udp_server->getPort() : _rtp_socket->get_local_port();
 }
 
 }//namespace mediakit

src/Rtp/RtpServer.h

@@ -15,6 +15,7 @@
 #include <memory>
 #include "Network/Socket.h"
 #include "Network/TcpServer.h"
+#include "Network/UdpServer.h"
 #include "RtpSession.h"
 
 using namespace std;
@@ -48,17 +49,13 @@ public:
     uint16_t getPort();
 
     /**
-     * 获取绑定的线程
-     */
-    EventPoller::Ptr getPoller();
-
-    /**
      * 设置RtpProcess onDetach事件回调
      */
     void setOnDetach(const function<void()> &cb);
 
 protected:
-    Socket::Ptr _udp_server;
+    Socket::Ptr _rtp_socket;
+    UdpServer::Ptr _udp_server;
     TcpServer::Ptr _tcp_server;
     RtpProcess::Ptr _rtp_process;
     function<void()> _on_clearup;

src/Rtp/RtpSession.cpp

@@ -16,16 +16,27 @@
 namespace mediakit{
 
 const string RtpSession::kStreamID = "stream_id";
+const string RtpSession::kIsUDP = "is_udp";
 
 void RtpSession::attachServer(const Server &server) {
     _stream_id = const_cast<Server &>(server)[kStreamID];
+    _is_udp = const_cast<Server &>(server)[kIsUDP];
+
+    if (_is_udp) {
+        //设置udp socket读缓存
+        SockUtil::setRecvBuf(getSock()->rawFD(), 4 * 1024 * 1024);
+        _statistic_udp = std::make_shared<ObjectStatistic<UdpSession> >();
+    } else {
+        _statistic_tcp = std::make_shared<ObjectStatistic<TcpSession> >();
+    }
 }
 
-RtpSession::RtpSession(const Socket::Ptr &sock) : TcpSession(sock) {
+RtpSession::RtpSession(const Socket::Ptr &sock) : Session(sock) {
     DebugP(this);
-    socklen_t addr_len = sizeof(addr);
-    getpeername(sock->rawFD(), &addr, &addr_len);
+    socklen_t addr_len = sizeof(_addr);
+    getpeername(sock->rawFD(), &_addr, &addr_len);
 }
+
 RtpSession::~RtpSession() {
     DebugP(this);
     if(_process){
@@ -35,6 +46,10 @@ RtpSession::~RtpSession() {
 
 void RtpSession::onRecv(const Buffer::Ptr &data) {
     try {
+        if (_is_udp) {
+            onRtpPacket(data->data(), data->size());
+            return;
+        }
         RtpSplitter::input(data->data(), data->size());
     } catch (SockException &ex) {
         shutdown(ex);
@@ -58,19 +73,21 @@ void RtpSession::onManager() {
 }
 
 void RtpSession::onRtpPacket(const char *data, size_t len) {
-    if (_search_rtp) {
-        //搜索上下文期间，数据丢弃
-        if (_search_rtp_finished) {
-            //下个包开始就是正确的rtp包了
-            _search_rtp_finished = false;
-            _search_rtp = false;
+    if (!_is_udp) {
+        if (_search_rtp) {
+            //搜索上下文期间，数据丢弃
+            if (_search_rtp_finished) {
+                //下个包开始就是正确的rtp包了
+                _search_rtp_finished = false;
+                _search_rtp = false;
+            }
+            return;
+        }
+        if (len > 1024 * 10) {
+            _search_rtp = true;
+            WarnL << "rtp包长度异常(" << len << ")，发送端可能缓存溢出并覆盖，开始搜索ssrc以便恢复上下文";
+            return;
         }
-        return;
-    }
-    if (len > 1024 * 10) {
-        _search_rtp = true;
-        WarnL << "rtp包长度异常(" << len << ")，发送端可能缓存溢出并覆盖，开始搜索ssrc以便恢复上下文";
-        return;
     }
     if (!_process) {
         if (!RtpSelector::getSSRC(data, len, _ssrc)) {
@@ -85,10 +102,14 @@ void RtpSession::onRtpPacket(const char *data, size_t len) {
         _process->setListener(dynamic_pointer_cast<RtpSession>(shared_from_this()));
     }
     try {
-        _process->inputRtp(false, getSock(), data, len, &addr);
+        _process->inputRtp(false, getSock(), data, len, &_addr);
     } catch (RtpReceiver::BadRtpException &ex) {
-        WarnL << ex.what() << "，开始搜索ssrc以便恢复上下文";
-        _search_rtp = true;
+        if (!_is_udp) {
+            WarnL << ex.what() << "，开始搜索ssrc以便恢复上下文";
+            _search_rtp = true;
+        } else {
+            throw;
+        }
     } catch (...) {
         throw;
     }

src/Rtp/RtpSession.h

@@ -20,9 +20,11 @@ using namespace toolkit;
 
 namespace mediakit{
 
-class RtpSession : public TcpSession , public RtpSplitter , public MediaSourceEvent{
+class RtpSession : public Session , public RtpSplitter , public MediaSourceEvent{
 public:
     static const string kStreamID;
+    static const string kIsUDP;
+
     RtpSession(const Socket::Ptr &sock);
     ~RtpSession() override;
     void onRecv(const Buffer::Ptr &) override;
@@ -41,13 +43,16 @@ protected:
     const char *onSearchPacketTail(const char *data, size_t len) override;
 
 private:
+    bool _is_udp = false;
     bool _search_rtp = false;
     bool _search_rtp_finished = false;
     uint32_t _ssrc = 0;
     Ticker _ticker;
     string _stream_id;
-    struct sockaddr addr;
+    struct sockaddr _addr;
     RtpProcess::Ptr _process;
+    std::shared_ptr<ObjectStatistic<TcpSession> > _statistic_tcp;
+    std::shared_ptr<ObjectStatistic<UdpSession> > _statistic_udp;
 };
 
 }//namespace mediakit