void ClientTCP()
{
TcpClient client;
Packet data;
data.SetByteOrder(CX_PACKET_BIG_ENDIAN);
if(!client.InitializeSocket(HOSTNAME, PORT))
{
cout << "Unable to connect to host " << HOSTNAME << endl;
return;
}
cout << "Initialized TCP Client Socket\n";
char key = 0;
while(key != 27)
{
if((key = GetChar()) > 0)
{
data.Clear(); // Clear packet and encode data.
data.Write(key);
client.Send(data); // Send data (could send character array also if desired
/* Alternative way to send:
client.Send(&key, 1); // Send buffer/array.
*/
data.Clear();
if(client.Recv(data, 50, 0))
{
cout << *data.Ptr() << endl;
}
//cout << key;
}
}
}
int main()
{
// 避免出现僵尸进程
signal(SIGCHLD, SIG_IGN);
// 创建TcpListener对象
// 监听来自9090端口的连接
TcpListener *tl = new TcpListener(9090);
pid_t ch_id;
while(1)
{
// 新连接到来
TcpClient *tc = tl->Accept();
cout<<"accept new connection form "<<tc->GetRemoteAddress()<<":"<<tc->GetRemotePort()<<endl;
if ((ch_id = fork()) == 0)
{
delete tl;
tl = NULL;
char *buf;
int bytes;
buf = new char[BUF_SIZE + 1];
try
{
// 接收数据
// Recv正常返回接收到的字节数
// 当对方关闭连接时返回0，其他情况抛出异常
while( (bytes = tc->Recv(buf, BUF_SIZE, TIMEOUT) ))
{
buf[bytes] = '\0';
// 打印数据
cout<<bytes<<": "<<buf;
}
cout << endl;
}
catch(exception &e)
{
cout<<"\ncatch exception: "<<e.what()<<endl;
}
// 删除TcpClient对象
delete tc;
delete [] buf;
cout<<"lost connection with client."<<endl;
exit(0);
}
delete tc;
tc = NULL;
}
delete tl;
return 0;
}