server.cpp

Linux窗口程序设计,Qt4精彩实例分析,以循序渐进的方式介绍Qt4开发及其实例子,第一部分

#include <QtNetwork>


#include "server.h"

Server::Server(QObject *parent,int port)
    : QTcpServer(parent)
{
	listen(QHostAddress::Any,port);
}

void Server::incomingConnection(int socketDescriptor)
{
	TcpClientSocket *tcpClientSocket = new TcpClientSocket(this);
	connect(tcpClientSocket,SIGNAL(updateClients(QString,int)),this,SLOT(updateClients(QString,int)));
	connect(tcpClientSocket,SIGNAL(disconnected(int)),this,SLOT(slotDisconnected(int)));
	
    tcpClientSocket->setSocketDescriptor(socketDescriptor);

	tcpClientSocketList.append(tcpClientSocket);

}

void Server::updateClients(QString msg,int length)
{
	emit updateServer(msg,length);

	for(int i=0;i<tcpClientSocketList.count();i++)
	{
		QTcpSocket *item=tcpClientSocketList.at(i);
    	if(item->write(msg.toLatin1(), length)!=length)
    	{
    		continue ;
    	}	
	}
}

void Server::slotDisconnected(int descriptor)
{
	for(int i=0;i<tcpClientSocketList.count();i++)
	{
		QTcpSocket *item=tcpClientSocketList.at(i);
    	if(item->socketDescriptor ()==descriptor)
    	{
    		tcpClientSocketList.removeAt(i);
    		return;
    	}	
	}	
	return;
}