{"id":5110,"date":"2021-03-10T17:48:27","date_gmt":"2021-03-10T09:48:27","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=5110"},"modified":"2021-03-10T17:48:41","modified_gmt":"2021-03-10T09:48:41","slug":"evpp-muduo-reactor-evpp%e4%ba%8b%e4%bb%b6%e9%a9%b1%e5%8a%a8%e7%bd%91%e7%bb%9c%e5%ba%93-%e6%95%b4%e4%bd%93%e6%9e%b6%e6%9e%84%e6%a2%b3%e7%90%86","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/5110","title":{"rendered":"[evpp\/muduo\/reactor] evpp\u4e8b\u4ef6\u9a71\u52a8\u7f51\u7edc\u5e93 \u6574\u4f53\u67b6\u6784\u68b3\u7406"},"content":{"rendered":"

\u539f\u6587\u5730\u5740<\/a><\/p>\n

 <\/p>\n

\u4ecb\u7ecd
\nmuduo\u5f88\u591a\u4eba\u90fd\u542c\u8bf4\u8fc7\uff0c\u90a3evpp\u53ef\u4ee5\u7406\u89e3\u6210\u662fmuduo\u7528C++11\u6539\u5199\u540e\u7684\u5347\u7ea7\u7248\u3002
\n\u76f8\u6bd4muduo\u7684\u4ee3\u7801\u98ce\u683c\uff0cevpp\u4f1a\u663e\u5f97\u66f4\u52a0\u73b0\u4ee3\u4e00\u70b9\uff0c\u66f4\u8ba8\u6211\u4eec\u5e74\u8f7b\u4eba\u7684\u559c\u6b22\u3002
\n\u4f5c\u4e3a\u4f8b\u5b50\uff0c\u8fd9\u91cc\u662f\u4e00\u6bb5TCP Echo Server\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

evpp::EventLoop loop;
\nevpp::TCPServer server(&loop, “0.0.0.0:9099”, “TCPEchoServer”, thread_num);
\nserver.SetMessageCallback([](const evpp::TCPConnPtr& conn,
\nevpp::Buffer* msg) {
\nconn->Send(msg);
\n});
\nserver.SetConnectionCallback([](const evpp::TCPConnPtr& conn) {
\nif (conn->IsConnected()) {
\nLOG_INFO << “A new connection from ” << conn->remote_addr();
\n} else {
\nLOG_INFO << “Lost the connection from ” << conn->remote_addr();
\n}
\n});
\nserver.Init();
\nserver.Start();
\nloop.Run();<\/p>\n

evpp\u7684\u6838\u5fc3\u4ee3\u7801\u5176\u5b9e\u4e0d\u591a\uff0c\u4e4b\u524d\u4e5f\u5df2\u7ecf\u82b1\u4e86\u4e00\u6bb5\u65f6\u95f4\u53bb\u9605\u8bfb\uff1b
\n\u603b\u7684\u6765\u8bf4\uff0c\u4ee3\u7801\u672c\u8eab\u8fd8\u662f\u5341\u5206\u901a\u4fd7\u6613\u61c2\u7684\uff0c\u4e0d\u50cf\u67d0\u4e9b\u5929\u4e66C++\uff1b
\n\u76f8\u6bd4muduo\uff0cevpp\u4e00\u4e2a\u5f88\u660e\u663e\u7684\u53d8\u5316\u5c31\u662f\uff0cIO\u590d\u7528\u76f8\u5173\u7684\u62bd\u8c61\u76f4\u63a5\u4f7f\u7528\u4e86libevent\uff1b
\n\u4f46\u662f\uff0c\u770b\u5b8c\u4e4b\u540e\uff0c\u603b\u662f\u7f3a\u5c11\u4e00\u4e2a\u7cfb\u7edf\u6027\u7684\u8ba4\u8bc6\uff0c\u56e0\u6b64\uff0c\u60f3\u501f\u6b64\u673a\u4f1a\u8fdb\u884c\u68b3\u7406\uff1b
\n\u6b64\u5916\uff0c\u7f51\u4e0a\u867d\u7136\u6709\u5f88\u591amuduo\u7684\u89e3\u6790\uff0c\u4f46\u662f\u4ecb\u7ecdevpp\u7684\u8fd8\u662f\u633a\u5c11\u7684\uff1b
\n\u5bf9\u4e8e\u4e60\u60efC++11\u98ce\u683c\u7684\u4eba\uff0c\u5e94\u8be5\u7b97\u662f\u591a\u4e86\u4e00\u79cd\u9009\u62e9\uff1b
\nhttps:\/\/github.com\/Qihoo360\/evpp<\/p>\n

\u6838\u5fc3\u7c7b
\n\u8fd9\u91cc\uff0c\u6211\u5148\u7f57\u5217\u4e0bevpp\u4e2d\u7684\u6838\u5fc3\u7c7b<\/p>\n

TCPServer
\nListener
\nTCPClient
\nConnector
\nTCPConn
\nFdChannel
\nEventLoop
\nEventLoopThread
\nEventLoopThreadPool
\n\u53ea\u8981\u662f\u719f\u6089Socket\u7f16\u7a0b\u7684\u540c\u5b66\uff0c\u770b\u89c1\u8fd9\u51e0\u4e2a\u7c7b\u540e\u5e94\u8be5\u8fd8\u662f\u6709\u70b9\u4eb2\u5207\u611f\u7684\u3002
\n\u5176\u4e2d\uff0cTcpClient\/TcpServer\u5206\u522b\u62bd\u8c61TCP\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\uff1bConnector\/Listener\u5206\u522b\u5305\u88c5TCP\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u5efa\u7acb\u8fde\u63a5\/\u63a5\u53d7\u8fde\u63a5\uff1bTcpConnection\u62bd\u8c61\u4e00\u4e2aTCP\u8fde\u63a5\uff0c\u65e0\u8bba\u662f\u5ba2\u6237\u7aef\u8fd8\u662f\u670d\u52a1\u5668\u53ea\u8981\u5efa\u7acb\u4e86\u7f51\u7edc\u8fde\u63a5\u5c31\u4f1a\u4f7f\u7528TcpConnection\uff1bFdChannel\u662f\u8bbe\u5907fd\u7684\u5305\u88c5\uff0c\u5728muduo\u4e2d\u4e3b\u8981\u5305\u88c5socket\u4ee5\u53ca\u8be5socket\u5bf9\u5e94\u7684\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\uff1bEventLoop\u662f\u4e00\u4e2a\u4e8b\u4ef6\u53d1\u751f\u5668\uff0c\u5b83\u9a71\u52a8\u5e95\u5c42\u7684IO\u590d\u7528\u5668\u4ea7\u751f\/\u53d1\u73b0\u4e8b\u4ef6\uff0c\u7136\u540e\u5c06\u4e8b\u4ef6\u6d3e\u53d1\u5230Channel\u5904\u7406\uff1bEventLoopThread\u662f\u4e00\u4e2a\u5e26\u6709EventLoop\u7684\u7ebf\u7a0b\uff1bEventLoopThreadPool\u81ea\u7136\u662f\u4e00EventLoopThread\u7684\u8d44\u6e90\u6c60\uff0c\u7ef4\u62a4\u4e00\u5806EventLoopThread\u3002<\/p>\n

TCPServer\u7c7b
\n\u8fd9\u91cc\uff0c\u6211\u4eec\u4ee5\u81ea\u9876\u5411\u4e0b\u7684\u65b9\u5f0f\u8fdb\u884c\u68b3\u7406\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u5148\u6765\u770b\u770bTCPServer\u7684\u6570\u636e\u6210\u5458\u3002<\/p>\n

\/\/ TCPServer\u7684\u540d\u5b57\uff0c\u6bd4\u5982”Echo”, “Discard”\u7b49
\nconst std::string name_;<\/p>\n

\/\/ TCPServer\u6700\u91cd\u8981\u7684\u4e00\u70b9\u5c31\u662f\uff0c\u521b\u5efaListenFD\u7136\u540eAccept\u65b0\u8fde\u63a5\uff1b
\n\/\/ \u63a5\u4e0b\u6765\u76843\u9879\uff0c\u7ed9\u51fa\u4e86\u5fc5\u8981\u7684\u4fe1\u606f\uff1b
\n\/\/ \u7b2c\u4e00\u9879\u662f\u201c\u76d1\u542c\u5730\u5740\u201d\uff0c\u503c\u5f97\u63d0\u7684\u4e00\u70b9\u662f\uff0cevpp\u501f\u9274\u4e86Golang\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5b57\u7b26\u4e32\u6307\u5b9aIP\u5730\u5740\uff1b
\n\/\/ \u7b2c\u4e8c\u9879\u662f\u4e00\u4e2a\u6307\u9488\uff0c\u6307\u5411Listener\u7ed3\u6784\u4f53\uff1b\u5728evpp\u4e2d\uff0c\u76d1\u542c\u7aef\u53e3\u521b\u5efa\u65b0\u8fde\u63a5 \u76f8\u5173\u7684\u7ec6\u8282\u90fd\u88ab\u5c01\u88c5\u5728\u8fd9\u4e2a\u7c7b\u4e4b\u4e2d\uff1b
\n\/\/ \u8fd9\u4e2a\u7c7b\u5bf9\u5e94\u81f3muduo\u4e2d\u7684acceptor\u7c7b\uff1b\u53e6\u5916\u4e00\u70b9\u5c31\u662f\uff0caccepted\u7684\u8fde\u63a5\uff0c\u5728evpp\u4e2d\u88ab\u62bd\u8c61\u6210TCPConn\u8fd9\u4e2a\u7c7b\uff0c\u8fd9\u4e2a\u7c7b\u6211\u4eec\u7a0d\u540e\u4f1a\u63d0\u5230\uff1b
\n\/\/ \u7b2c\u4e09\u9879\u5c31\u662f\u4e8b\u4ef6\u9a71\u52a8\u7684\u5f15\u64ce\uff0c\u53ef\u4ee5\u7406\u89e3\u6210\u662f\u5bf9IO\u590d\u7528\u5668\u7684\u5c01\u88c5\uff1b
\n\/\/ ListenFD\u4f1a\u6ce8\u518c\u5230\u8be5IO\u590d\u7528\u5668\u4e0a\uff0c\u5f53\u4e00\u4e2aListenFD\u4e0a\u6709\u65b0\u7684\u8fde\u63a5\u65f6\uff0c\u8be5FD\u5c31\u4f1a\u53d8\u6210\u201c\u53ef\u8bfb\u201d\uff0c\u4ece\u800c\u56de\u8c03\u201c\u53ef\u8bfbCallback\u201d\uff1b
\n\/\/ \u5f53\u7136\uff0c\u8fd9\u4e2a\u53ef\u8bfbCallback\u6267\u884c\u7684\u662f\u521b\u5efaTCPConn\u7684\u903b\u8f91\uff0c\u800c\u4e0d\u662f\u8bfb\u6570\u636e\u5565\u7684\uff1b
\n\/\/ \u53e6\u5916\uff0c\u8fd9\u4e2aloop_\u5c31\u662fTCPServer_\u7684\u4e3b\u4e8b\u4ef6\u5faa\u73af\uff1b
\nconst std::string listen_addr_; \/\/ ip:port
\nstd::unique_ptr<Listener> listener_;
\nEventLoop* loop_; \/\/ the listening loop<\/p>\n

\/\/ \u4e00\u4e2aEventLoop\u4f1a\u7ed1\u5b9a\u5230\u4e00\u4e2a\u7279\u5b9a\u7684\u7ebf\u7a0b\u4e0a\u8fd0\u884c\uff1b
\n\/\/ \u4e3a\u4e86\u80fd\u591f\u66f4\u5145\u5206\u5730\u5229\u7528\u591a\u6838\u5fc3CPU\uff0c\u76f4\u89c2\u7684\u60f3\u6cd5\u5c31\u662f\u521b\u5efa\u66f4\u591a\u7684\u7ebf\u7a0b\uff08\u7ebf\u7a0b\u6c60\uff09\uff0c
\n\/\/ \u7136\u540e\u5728\u6bcf\u4e2a\u7ebf\u7a0b\u4e0a\u8fd0\u884cEventLoop\uff1b
\nstd::shared_ptr<EventLoopThreadPool> tpool_;<\/p>\n

ConnectionCallback conn_fn_; \/\/ \u8fde\u63a5\u5efa\u7acb\/\u65ad\u5f00\u65f6\u7684\u56de\u8c03\u51fd\u6570\uff0c\u7531\u7528\u6237\u6ce8\u518c\uff1b
\nMessageCallback msg_fn_; \/\/ \u5f53\u6536\u5230\u6d88\u606f\u65f6\u7684\u56de\u8c03\u51fd\u6570\uff0c\u7531\u7528\u6237\u6ce8\u518c\uff1b
\nDoneCallback stopped_cb_;<\/p>\n

\/\/ \u4e00\u4e2aTCPServer\u53ef\u4ee5\u6709\u591a\u4e2aTCP\u8fde\u63a5\uff0c\u4e0b\u9762\u7684\u8fd9\u4e24\u9879\u5c31\u53cd\u6620\u4e86\u8fd9\u6837\u4e00\u4e2a\u5ba2\u89c2\u73b0\u5b9e\uff1b
\n\/\/ TCPServer\u4f1a\u4e3a\u6bcf\u4e2aTCP\u8fde\u63a5\u5206\u914d\u4e00\u4e2aID\uff1b\u4e0e\u6b64\u540c\u65f6\uff0c\u4ee5\u8be5ID\u4e3akey\u5c06TCPConn\u4fdd\u5b58\u8d77\u6765\uff1b
\nuint64_t next_conn_id_ = 0;
\nstd::map<uint64_t, TCPConnPtr> connections_;
\n\u770b\u5b8c\u6570\u636e\u6210\u5458\uff0c\u6211\u4eec\u518d\u6765\u770b\u770bTCPServer\u7684\u5f00\u653e\u63a5\u53e3\uff1b<\/p>\n

\/\/ \u5bf9\u4e8eTCPServer\u7684\u6784\u9020\u51fd\u6570\uff0c\u5f53\u4e2d\u65e0\u975e\u662f\u5bf9\u6211\u4eec\u521a\u521a\u63d0\u5230\u7684\u6570\u636e\u6210\u5458\u8fdb\u884c\u521d\u59cb\u5316\uff1b
\n\/\/ \u4f46\u662f\uff0c\u503c\u5f97\u63d0\u7684\u4e00\u70b9\u662fEventloop\u662f\u7531\u7528\u6237\u5206\u914d\u7684\uff1b
\nTCPServer(EventLoop* loop,
\nconst std::string& listen_addr\/*ip:port*\/,
\nconst std::string& name,
\nuint32_t thread_num);<\/p>\n

\/\/ \u4e00\u4e2aServer\u7aef\u6b63\u5e38\u7684\u6d41\u7a0b\u5982\u4e0b\uff1a\u521b\u5efa\u5957\u63a5\u5b57\u3001\u7ed1\u5b9a\u5730\u5740\u3001\u8bbe\u7f6e\u6210Listen\u72b6\u6001\u3001\u8c03\u7528Accept\u5f00\u59cb\u63a5\u53d7\u94fe\u63a5
\n\/\/ \u5728evpp\/muduo\u7684\u8bbe\u8ba1\u4e2d\uff0c\u524d\u4e09\u9879\u88ab\u5355\u72ec\u653e\u5728\u4e86Init()\u521d\u59cb\u5316\u51fd\u6570\u4e2d\uff0c\u800c\u771f\u6b63\u8c03\u7528Accept\u7684\u64cd\u4f5c\u88ab\u5355\u72ec\u653e\u5728\u4e86Start()\u5f53\u4e2d\uff1b
\nbool Init() {
\nlistener_.reset(new Listener(loop_, listen_addr_));
\nlistener_->Listen();
\nstatus_.store(kInitialized);
\n}<\/p>\n

\/\/ \u5728\u8c03\u7528\u524d\u9762\u63d0\u5230\u7684Accept\u4e4b\u524d\uff0cStart()\u5f53\u4e2d\u4e3alistener\u6307\u5b9a\u4e86\u56de\u8c03\u51fd\u6570\uff0c
\n\/\/ \u5f53\u6709\u65b0\u7684\u8fde\u63a5\u5230\u6765\u65f6\uff0c\u8fd9\u4e2a\u56de\u8c03\u51fd\u6570\u5c31\u4f1a\u88ab\u8c03\u7528\uff1b
\n\/\/ \u503c\u5f97\u63d0\u9192\u7684\u662f\uff0c\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u5728\u8fd9\u51e0\u4e2a\u521d\u59cb\u5316\u542f\u52a8\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u5e76\u6ca1\u6709\u53d1\u73b0\u4e0e\u201c\u4e1a\u52a1\u201d\u76f8\u5173\u7684\u903b\u8f91\uff1b
\n\/\/ \u4e00\u4e2aTCP\u670d\u52a1\u5668\u603b\u6709\u5176\u4e1a\u52a1\u903b\u8f91\uff0c\u90a3\u4e48\u4e1a\u52a1\u903b\u8f91\u5728\u54ea\u91cc\u5f97\u5230\u5904\u7406\u5462\uff1f
\n\/\/ \u8ba9\u6211\u4eec\u53bb\u770b\u4e0bTCPServer::HandleNewConn\uff1b
\n\/\/ (\u8fd9\u91cc\u518d\u8d58\u8ff0\u4e0b\uff0cHandleNewConn\u662fTCPServer\u7c7b\u4e2d\u7684\u51fd\u6570\uff0c
\n\/\/ \u4f46\u662f\u901a\u8fc7listener_->SetNewConnectionCallback()\u7684\u63a5\u53e3\u88ab\u6ce8\u518c\u5230listener_\u4e2d\uff0c\u7531listener_\u8c03\u7528\uff1b
\n\/\/ \u8fd9\u79cd\u64cd\u4f5c\u65b9\u5f0f\uff0c\u5728evpp\/muduo\u4e2d\u662f\u5341\u5206\u666e\u904d\u7684\uff1b\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u8fd8\u4f1a\u770b\u5230\u66f4\u591a\u7684\u8fd9\u6837\u7684\u4f8b\u5b50;
\n\/\/ \u6240\u4ee5\uff0c\u6211\u4eec\u5e94\u8be5\u7559\u795e\u8fd9\u4e2acallback\u5230\u5e95\u662f\u54ea\u91cc\u6765\u7684\uff1b)
\nbool Start() {
\ntpool_->Start(true);
\nlistener_->SetNewConnectionCallback(…TCPServer::HandleNewConn…)
\nlistener_->Accept();
\n}
\n\u5728\u63a5\u7740\u8bb2HandleNewConn\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u8fc7\u4e00\u773c\u5269\u4e0b\u7684\u4e24\u4e2a\u5f00\u653e(public)\u63a5\u53e3\uff1b
\n\u8fd9\u4e24\u4e2a\u51fd\u6570\u770b\u4f3c\u5341\u5206\u7b80\u5355\uff0c\u751a\u81f3\u662f\u5fae\u4e0d\u8db3\u9053\uff0c\u4f46\u662f\u5b83\u8d77\u5230\u4e86 \u201c\u5c01\u88c5\u4e1a\u52a1\u903b\u8f91\u201d\u7684\u5de8\u5927\u4f5c\u7528\uff1b
\n\u7528\u6237\u9996\u5148\u5355\u72ec\u7f16\u5199\u201c\u4e1a\u52a1\u5904\u7406\u51fd\u6570\u201d\uff0c\u7136\u540e\u4ee5\u201c\u56de\u8c03\u201d\u7684\u5f62\u5f0f\u6ce8\u518c\u5230\u6846\u67b6\u4e2d\uff0c
\n\u5b9e\u73b0\u201c\u4e1a\u52a1\u201d\u548c\u201c\u6846\u67b6\u201d\u7684\u89e3\u8026\uff1b
\n\u7a0d\u540e\uff0c\u6211\u4eec\u5c31\u4f1a\u7acb\u9a6c\u770b\u5230\u5b83\u4eec\u7684\u8eab\u5f71\uff1b<\/p>\n

void SetConnectionCallback(const ConnectionCallback& cb) { conn_fn_ = cb; }
\nvoid SetMessageCallback(MessageCallback cb) { msg_fn_ = cb; }<\/p>\n

void TCPServer::HandleNewConn(evpp_socket_t sockfd,
\nconst std::string& remote_addr\/*ip:port*\/,
\nconst struct sockaddr_in* raddr) {
\n\/\/ \u63a5\u4e0a\u6587\u63d0\u5230\u7684\uff0c\u5f53Listener\u4e0a\u6709\u65b0\u7684\u94fe\u63a5\u5230\u6765\u65f6\uff0cHandleNewConn\u51fd\u6570\u4f1a\u88ab\u56de\u8c03\uff1b
\n\/\/ \u7531\u4e8e\u662f\u4e8b\u4ef6\u9a71\u52a8\u6a21\u578b\uff0c\u4e00\u4e2aTCP\u94fe\u63a5\u603b\u662f\u8981\u5bf9\u5e94\u5230\u4e00\u4e2aIO\u590d\u7528\u5668\uff08\u6216\u8005\u8bf4Eventloop\u4e8b\u4ef6\u5faa\u73af\uff09\uff1b
\n\/\/ \u56e0\u6b64\uff0c\u4ee3\u7801\u4e2d\u7684\u7b2c\u4e00\u6b65\u5c31\u662f\u83b7\u53d6\u4e00\u4e2aEventloop\uff1b
\nEventLoop* io_loop = GetNextLoop(raddr);<\/p>\n

\/\/ \u5728evpp\/muduo\u4e2d\uff0cTCP\u8fde\u63a5\u88ab\u62bd\u8c61\u6210TCPConn\u7c7b\uff1b
\n\/\/ \u65e2\u7136\u73b0\u5728\u6709\u65b0\u8fde\u63a5\u5230\u6765\uff0c\u90a3\u6211\u4eecnew\u4e00\u4e2a\u51fa\u6765\uff1b
\n\/\/ \u629b\u53bb\u4e00\u4e2aTCP\u8fde\u63a5\u5e94\u8be5\u5177\u5907\u7684\u5c5e\u6027\u4e4b\u5916\uff0c\u5728\u6784\u9020\u51fd\u6570\u4e2d\u6211\u4eec\u8fd8\u4f20\u9012\u4e86io_loop\uff1b
\nTCPConnPtr conn(new TCPConn(io_loop, ConnectionName, sockfd, listen_addr_, remote_addr, ++next_conn_id_));<\/p>\n

\/\/ \u5728\u8fd9\u91cc\uff0cTCPServer\u7528\u6237\u901a\u8fc7Setter\u51fd\u6570\u8bbe\u7f6e\u7684\u56de\u8c03\u51fd\u6570\uff0c\u88ab\u8fdb\u4e00\u6b65\u6ce8\u518c\u5230\u4e86\u5e95\u5c42\u7684TCPConn\u5f53\u4e2d\uff1b
\n\/\/ \u8fd9\u79cd\u56de\u8c03\u51fd\u6570\u4e00\u5c42\u4e00\u5c42\u5f80\u4e0b\u6ce8\u518c\u7684\u60c5\u51b5\uff0c\u63a5\u4e0b\u6765\u8fd8\u4f1a\u7ecf\u5e38\u770b\u5230\uff1b
\nconn->SetMessageCallback(msg_fn_);
\nconn->SetConnectionCallback(conn_fn_);<\/p>\n

\/\/ \u65e2\u7136TCPConn\u672c\u8eab\u521d\u59cb\u5316\u5b8c\u6bd5\uff0c\u540c\u65f6\u4e0a\u5934\u4e5f\u6307\u5b9a\u4e86\u201c\u5f53\u8fde\u63a5\u72b6\u6001\u53d8\u5316\u201d\u6216\u201c\u5f53\u6709\u6570\u636e\u5230\u8fbe\u65f6\u201d\u8be5\u5982\u4f55\u5904\u7406\uff0c
\n\/\/ \u90a3\u6211\u4eec\u5c31\u628a\u8fd9\u4e2aTCPConn Attach\u5230\u4e8b\u4ef6\u5faa\u73af\u5f53\u4e2d\uff1b
\n\/\/ \u81f3\u6b64\uff0c\u4e00\u4e2aTCP\u8fde\u63a5\u5c31\u7b97\u662f\u6b63\u5f0f\u5efa\u7acb\uff0c\u53ef\u4ee5\u670d\u52a1\u5ba2\u6237\u7aef\u4e86\uff1b
\n\/\/ \u8fd9\u91cc\u5267\u900f\u4e0b\uff0cSockFD\u4ee5\u53ca\u521a\u521a\u63d0\u5230\u7684\u201c\u56de\u8c03\u51fd\u6570\u201d\u5b9e\u9645\u4e0a\u53c8\u88ab\u5c01\u88c5\u5728\u4e86Channel\u8fd9\u4e2a\u7c7b\u4e2d\uff1b
\n\/\/ \u8fd9\u4e2a\u7c7b\uff0c\u6211\u4eec\u7a0d\u540e\u518d\u8fdb\u884c\u89e3\u91ca;
\nio_loop->RunInLoop(std::bind(&TCPConn::OnAttachedToLoop, conn));<\/p>\n

\/\/ \u6bcf\u4e2aTCPConn\u88ab\u5206\u914d\u4e00\u4e2aID\uff0c\u4ee5\u8fd9\u79cd\u5f62\u5f0fTCPServer\u4fbf\u4e8e\u5bf9TCPConn\u8fdb\u884c\u96c6\u4e2d\u7ba1\u7406\uff1b
\nconnections_[conn->id()] = conn;
\n}
\nTCPClient\u7c7b
\n\u5728\u719f\u6089\u4e86TCPServer\u4e4b\u540e\uff0c\u518d\u53bb\u770b\u5bf9\u79f0\u7684TCPClient\u7c7b\u5c31\u4f1a\u89c9\u5f97\u8f7b\u8f66\u719f\u8def\uff1b<\/p>\n

evpp::EventLoop loop;
\nevpp::TCPClient client(&loop, “127.0.0.1:9099”, “TCPPingPongClient”);
\nclient.SetMessageCallback([&loop, &client](const evpp::TCPConnPtr& conn,
\nevpp::Buffer* msg) {
\n\/\/ \u7528\u6237\u4e1a\u52a1\u903b\u8f91
\n});<\/p>\n

client.SetConnectionCallback([](const evpp::TCPConnPtr& conn) {
\n\/\/ \u7528\u6237\u4e1a\u52a1\u903b\u8f91
\n});<\/p>\n

client.Connect();<\/p>\n

loop.Run();
\n\u5728\u7528\u6237\u4ee3\u7801\u5c42\u9762\uff0c\u4e8c\u8005\u552f\u4e00\u660e\u663e\u7684\u533a\u522b\u5728\u4e8e\uff0clisten\/accept\u7684\u5c01\u88c5\u51fd\u6570\u88ab\u66ff\u6362\u6210\u4e86Connect()\u51fd\u6570\uff1b\u56e0\u6b64\uff0c\u8ba9\u6211\u4eec\u5148\u6765\u63a2\u4e00\u63a2Connect()\uff1b<\/p>\n

\/\/ \u8fd8\u8bb0\u5f97TCPServer\u4e2d\u7684Listener\u7c7b\u5417\uff1f Listener\u7c7b\u5c01\u88c5\u4e86\u76d1\u542c\u5957\u63a5\u5b57\u3001\u521b\u5efa\u65b0\u8fde\u63a5\u76f8\u5173\u7684\u7ec6\u8282\uff1b
\n\/\/ \u7c7b\u4f3c\u5730\uff0c\u5728TCPClient\u8fd9\u8fb9\u4e5f\u6709\u4e00\u4e2aConnector\u7c7b\uff0c\u8be5\u7c7b\u5c01\u88c5\u4e86socket connect\u76f8\u5173\u7684\u7ec6\u8282\uff1b
\n\/\/ \u5f53\u7528\u6237\u8c03\u7528client.Connect()\u65f6\uff0c\u5c06\u4f1a\u53d1\u8d77\u5f02\u6b65\u7684\u5efa\u7acb\u8fde\u63a5\u64cd\u4f5c;
\n\/\/ \u5f53TCP\u8fde\u63a5\u5efa\u7acb\u6210\u529f(\u6216\u5931\u8d25\uff09\u65f6\uff0cTCPClient::OnConnection\u51fd\u6570\u5c06\u4f1a\u88ab\u56de\u8c03\uff1b
\nvoid TCPClient::Connect() {
\nauto f = [this]() {
\nconnector_.reset(new Connector(loop_, this)); \/\/ \u5bf9Connector\u4e2d\u7684\u6570\u636e\u6210\u5458\u8fdb\u884c\u5fc5\u8981\u7684\u8d4b\u503c\uff1b
\nconnector_->SetNewConnectionCallback(…TCPClient::OnConnection…);
\nconnector_->Start();
\n};
\nloop_->RunInLoop(f); \/\/ \u5728loop_\u6240\u5728\u7684\u7ebf\u7a0b\u4e2d\u8c03\u7528\u51fd\u6570f
\n}<\/p>\n

\/\/ \u5f53TCP\u8fde\u63a5\u5efa\u7acb\u6210\u529f\u6216\u5931\u8d25\u65f6\uff0c\u5c06\u4f1a\u56de\u8c03TCPClient::OnConnection
\nvoid TCPClient::OnConnection(evpp_socket_t sockfd, const std::string& laddr) {
\nif (sockfd < 0) { \/\/ \u5f53TCP\u8fde\u63a5\u5efa\u7acb\u5931\u8d25\u65f6\uff0c\u901a\u8fc7\u56de\u8c03\u7528\u6237\u8bbe\u7f6e\u7684\u56de\u8c03\u51fd\u6570conn_fn_\uff0c\u4ece\u800c\u4f7f\u5f97\u4e0a\u5c42\u6709\u673a\u4f1a\u5bf9\u9519\u8bef\u8fdb\u884c\u5904\u7406\uff1b`
\nconn_fn_(TCPConnPtr(new TCPConn(loop_, “”, sockfd, laddr, remote_addr_, 0)));
\nreturn;
\n}<\/p>\n

\/\/ \u548cTCPServer\u90a3\u8fb9\u7684\u60c5\u51b5\u7c7b\u4f3c\uff0c\u7528\u6237\u8c03\u7528Setter\u51fd\u6570\u8bbe\u7f6e\u7684MessageCallback\/ConnectionCallback\uff0c\u5c06\u4f1a\u88ab\u8fdb\u4e00\u6b65\u6ce8\u518c\u5230TCPConn\u4e2d\uff1b
\nTCPConnPtr c = TCPConnPtr(new TCPConn(loop_, name_, sockfd, laddr, remote_addr_, id++));
\nc->set_type(TCPConn::kOutgoing);
\nc->SetMessageCallback(msg_fn_);
\nc->SetConnectionCallback(conn_fn_);
\nc->SetCloseCallback(…TCPClient::OnRemoveConnection…);<\/p>\n

{
\nstd::lock_guard<std::mutex> guard(mutex_);
\nconn_ = c;
\n}<\/p>\n

\/\/ \u5230\u6b64\u4e3a\u6b62\uff0c\u4e00\u4e2aTCP\u8fde\u63a5\u5c31\u5b8c\u6210\u4e86\u5efa\u7acb\u64cd\u4f5c\uff1b
\n\/\/ \u8fd9\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u628a\u8fd9\u4e2aTCP\u8fde\u63a5\u6dfb\u52a0\u5230\u4e8b\u4ef6\u5faa\u73af\u4e2d\uff0c\u5e76\u56de\u8c03\u7528\u6237\u8bbe\u7f6e\u7684conn_fn_\u51fd\u6570\uff1b
\n\/\/ \u56de\u8c03\u8fd9\u4e00\u64cd\u4f5c\uff0c\u4f7f\u5f97\u201c\u8fde\u63a5\u5efa\u7acb\u6210\u529f\u201d\u8fd9\u4e2a\u4e8b\u4ef6\u80fd\u591f\u88ab\u901a\u77e5\u5230\u4e0a\u5c42\u7528\u6237\uff1b
\nc->OnAttachedToLoop();
\n}<\/p>\n

\u6301\u7eed\u66f4\u65b0Ing<\/p>\n

\u53c2\u8003\u6587\u732e
\nhttps:\/\/github.com\/Qihoo360\/evpp
\nhttps:\/\/www.cnblogs.com\/gaorong\/p\/6476757.html
\nhttps:\/\/blog.csdn.net\/yusiguyuan\/article\/details\/40593721
\nhttps:\/\/blog.csdn.net\/Shreck66\/article\/details\/50945929
\nhttps:\/\/blog.csdn.net\/Shreck66\/article\/details\/50948878
\nhttp:\/\/www.cppblog.com\/kevinlynx\/archive\/2014\/05\/04\/206817.html<\/p>\n","protected":false},"excerpt":{"rendered":"

\u539f\u6587\u5730\u5740   \u4ecb\u7ecd muduo<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[118],"class_list":["post-5110","post","type-post","status-publish","format-standard","hentry","tag-02-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/5110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=5110"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/5110\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=5110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=5110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=5110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}