{"id":35248,"date":"2025-05-03T18:40:46","date_gmt":"2025-05-03T10:40:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/35248.html"},"modified":"2025-05-03T18:40:46","modified_gmt":"2025-05-03T10:40:46","slug":"qt%e5%a4%9a%e7%ba%bf%e7%a8%8btcp%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%9e%e7%8e%b0%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/35248.html","title":{"rendered":"Qt\u591a\u7ebf\u7a0bTCP\u670d\u52a1\u5668\u5b9e\u73b0\u6307\u5357"},"content":{"rendered":"<p>\u5728Qt\u4e2d\u5b9e\u73b0\u591a\u7ebf\u7a0bTCP\u670d\u52a1\u5668\u53ef\u4ee5\u901a\u8fc7\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u5206\u914d\u72ec\u7acb\u7684\u7ebf\u7a0b\u6765\u5904\u7406&#xff0c;\u4ee5\u63d0\u9ad8\u5e76\u53d1\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5206\u6b65\u5b9e\u73b0\u7684\u793a\u4f8b&#xff1a;<\/p>\n<h4>1. \u81ea\u5b9a\u4e49\u5de5\u4f5c\u7ebf\u7a0b\u7c7b&#xff08;\u5904\u7406\u5ba2\u6237\u7aef\u901a\u4fe1&#xff09;<\/h4>\n<p><span class=\"token comment\">\/\/ workerthread.h<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QObject&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QTcpSocket&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QThread&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WorkerThread<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">QObject<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Q_OBJECT<br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">explicit<\/span> <span class=\"token function\">WorkerThread<\/span><span class=\"token punctuation\">(<\/span>qintptr socketDescriptor<span class=\"token punctuation\">,<\/span> QObject <span class=\"token operator\">*<\/span>parent <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> slots<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">processConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>signals<span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">dataReceived<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> QByteArray <span class=\"token operator\">&amp;<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">finished<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    qintptr m_socketDescriptor<span class=\"token punctuation\">;<\/span><br \/>\n    QTcpSocket <span class=\"token operator\">*<\/span>m_socket<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ workerthread.cpp<\/span><br \/>\n<span class=\"token class-name\">WorkerThread<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">WorkerThread<\/span><span class=\"token punctuation\">(<\/span>qintptr socketDescriptor<span class=\"token punctuation\">,<\/span> QObject <span class=\"token operator\">*<\/span>parent<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span> <span class=\"token function\">QObject<\/span><span class=\"token punctuation\">(<\/span>parent<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">m_socketDescriptor<\/span><span class=\"token punctuation\">(<\/span>socketDescriptor<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">WorkerThread<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">processConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    m_socket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">QTcpSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>m_socket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setSocketDescriptor<\/span><span class=\"token punctuation\">(<\/span>m_socketDescriptor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        emit <span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span>m_socket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">delete<\/span> m_socket<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>m_socket<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QTcpSocket<span class=\"token operator\">::<\/span>readyRead<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        QByteArray data <span class=\"token operator\">&#061;<\/span> m_socket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">readAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        emit <span class=\"token function\">dataReceived<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u56de\u663e\u6570\u636e\u793a\u4f8b<\/span><br \/>\n        m_socket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Server received: &#034;<\/span> <span class=\"token operator\">&#043;<\/span> data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>m_socket<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QTcpSocket<span class=\"token operator\">::<\/span>disconnected<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        m_socket<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">deleteLater<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        emit <span class=\"token function\">finished<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2. TCP\u670d\u52a1\u5668\u5b9e\u73b0&#xff08;\u4e3b\u7ebf\u7a0b&#xff09;<\/h4>\n<p><span class=\"token comment\">\/\/ tcpserver.h<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QTcpServer&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QList&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TcpServer<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">QTcpServer<\/span><\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Q_OBJECT<br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">explicit<\/span> <span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span>QObject <span class=\"token operator\">*<\/span>parent <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">startServer<\/span><span class=\"token punctuation\">(<\/span>quint16 port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">protected<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">incomingConnection<\/span><span class=\"token punctuation\">(<\/span>qintptr socketDescriptor<span class=\"token punctuation\">)<\/span> override<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    QList<span class=\"token operator\">&lt;<\/span>QThread<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> m_threads<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ tcpserver.cpp<\/span><br \/>\n<span class=\"token class-name\">TcpServer<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">TcpServer<\/span><span class=\"token punctuation\">(<\/span>QObject <span class=\"token operator\">*<\/span>parent<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">QTcpServer<\/span><span class=\"token punctuation\">(<\/span>parent<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">startServer<\/span><span class=\"token punctuation\">(<\/span>quint16 port<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>QHostAddress<span class=\"token operator\">::<\/span>Any<span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">qDebug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Server could not start!&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">qDebug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Server started on port&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> port<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TcpServer<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">incomingConnection<\/span><span class=\"token punctuation\">(<\/span>qintptr socketDescriptor<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    QThread <span class=\"token operator\">*<\/span>thread <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">QThread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    WorkerThread <span class=\"token operator\">*<\/span>worker <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">WorkerThread<\/span><span class=\"token punctuation\">(<\/span>socketDescriptor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    worker<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">moveToThread<\/span><span class=\"token punctuation\">(<\/span>thread<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>thread<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QThread<span class=\"token operator\">::<\/span>started<span class=\"token punctuation\">,<\/span> worker<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>WorkerThread<span class=\"token operator\">::<\/span>processConnection<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>WorkerThread<span class=\"token operator\">::<\/span>finished<span class=\"token punctuation\">,<\/span> thread<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QThread<span class=\"token operator\">::<\/span>quit<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>worker<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>WorkerThread<span class=\"token operator\">::<\/span>finished<span class=\"token punctuation\">,<\/span> worker<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>WorkerThread<span class=\"token operator\">::<\/span>deleteLater<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>thread<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QThread<span class=\"token operator\">::<\/span>finished<span class=\"token punctuation\">,<\/span> thread<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>QThread<span class=\"token operator\">::<\/span>deleteLater<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    thread<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    m_threads<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>thread<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3. \u4f7f\u7528\u670d\u52a1\u5668&#xff08;\u4e3b\u51fd\u6570&#xff09;<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;tcpserver.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    QCoreApplication <span class=\"token function\">a<\/span><span class=\"token punctuation\">(<\/span>argc<span class=\"token punctuation\">,<\/span> argv<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    TcpServer server<span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">startServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1234<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> a<span class=\"token punctuation\">.<\/span><span class=\"token function\">exec<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u5173\u952e\u70b9\u8bf4\u660e&#xff1a;<\/h4>\n<li>\n<p>\u7ebf\u7a0b\u5206\u914d\u673a\u5236&#xff1a;<\/p>\n<ul>\n<li>\u6bcf\u4e2a\u65b0\u8fde\u63a5\u90fd\u4f1a\u521b\u5efa\u72ec\u7acb\u7684QThread<\/li>\n<li>\u4f7f\u7528moveToThread()\u5c06Worker\u5bf9\u8c61\u79fb\u52a8\u5230\u65b0\u7ebf\u7a0b<\/li>\n<li>\u901a\u8fc7\u4fe1\u53f7\u69fd\u8fdb\u884c\u8de8\u7ebf\u7a0b\u901a\u4fe1<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8d44\u6e90\u7ba1\u7406&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528deleteLater()\u786e\u4fdd\u5b89\u5168\u91ca\u653e\u8d44\u6e90<\/li>\n<li>\u81ea\u52a8\u56de\u6536\u7ebf\u7a0b\u5bf9\u8c61&#xff08;\u5f53\u7ebf\u7a0b\u7ed3\u675f\u65f6&#xff09;<\/li>\n<li>\u8fde\u63a5\u65ad\u5f00\u540e\u81ea\u52a8\u6e05\u7406socket<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/p>\n<ul>\n<li>\u4e0d\u8981\u8de8\u7ebf\u7a0b\u76f4\u63a5\u64cd\u4f5csocket<\/li>\n<li>\u4f7f\u7528\u4fe1\u53f7\u69fd\u8fdb\u884c\u7ebf\u7a0b\u95f4\u901a\u4fe1<\/li>\n<li>\u5904\u7406\u5f02\u5e38\u65ad\u5f00\u60c5\u51b5&#xff08;\u7f51\u7edc\u9519\u8bef&#xff09;<\/li>\n<li>\u8003\u8651\u7ebf\u7a0b\u6c60\u4f18\u5316&#xff08;\u5927\u91cf\u8fde\u63a5\u65f6&#xff09;<\/li>\n<\/ul>\n<\/li>\n<h4>\u9ad8\u7ea7\u4f18\u5316\u5efa\u8bae&#xff1a;<\/h4>\n<li>\u4f7f\u7528\u7ebf\u7a0b\u6c60&#xff08;QThreadPool &#043; QRunnable&#xff09;&#xff1a;<\/li>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ConnectionTask<\/span> <span class=\"token operator\">:<\/span> <span class=\"token base-clause\"><span class=\"token keyword\">public<\/span> <span class=\"token class-name\">QRunnable<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">ConnectionTask<\/span><span class=\"token punctuation\">(<\/span>qintptr descriptor<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">m_descriptor<\/span><span class=\"token punctuation\">(<\/span>descriptor<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token 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