QT模拟TCP/HTTP服务端的的Demo

#include "helloworld.h" #include "daemontcpserver.h" #include "fifothread.h" #include <QFile> #include <QtXml/QtXml> #define OPTIONFILE "./HTTPInfo.xml" #define OPTIONFILENAME "/HTTPInfo.xml" HelloWorld::HelloWorld() { server = NULL; InitConfig(); } HelloWorld::~HelloWorld() { if (server != NULL) { server->close(); delete server; } } void HelloWorld::InitConfig() { QString filePath; QString path = QCoreApplication::applicationDirPath(); if (path.isEmpty() || path.isNull()){ filePath = OPTIONFILE; } else { filePath = path + OPTIONFILENAME; } QFile configFile(filePath); if (!configFile.exists()) { return; } if (!configFile.open(QIODevice::ReadOnly | QFile::Text)) { configFile.close(); return; } QDomDocument docConfigFile; if (!docConfigFile.setContent(&configFile)) { configFile.close(); return; } QDomElement docElem = docConfigFile.documentElement(); QDomNodeList configNodes = docElem.childNodes(); for(int i = 0; i< configNodes.length(); i++ ) { QDomNode oneNode = configNodes.at(i); QDomElement codeNode = oneNode.toElement(); QString xmlNameStr = codeNode.nodeName(); if (xmlNameStr == "HTTP_Port") { QString port = codeNode.text(); bool ok; this->listenPort = port.toInt(&ok); if (!ok) this->listenPort = 12345; } } } bool HelloWorld::Start() { server = new DaemonTcpServer(this); connect(server, SIGNAL(newRequest(DaemonTcpRequest*, DaemonTcpResponse*)), this, SLOT(handleRequest(DaemonTcpRequest*, DaemonTcpResponse*))); return server->listen(QHostAddress::Any, this->listenPort); } void HelloWorld::handleRequest(DaemonTcpRequest *req, DaemonTcpResponse *resp) { //delete req //Q_UNUSED(req); QString data = req->GetData(); if (data != "") { FifoThread *write = new FifoThread(data); connect(write, SIGNAL(finished()), write, SLOT(deleteLater())); write->start(); //req->end(); QByteArray body = "Hello World"; resp->setHeader("Content-Length", QString::number(body.size())); resp->writeHead(200); resp->end(body); } else { QByteArray body = "Get dirverName error"; resp->setHeader("Content-Length", QString::number(body.size())); resp->writeHead(200); resp->end(body); } }