/*!
*/
MonitorServer::MonitorServer( QObject * parent,
const MainData & main_data,
const int port )
: QObject( parent )
, M_main_data( main_data )
, M_port( static_cast< quint16 >( port ) )
, M_socket( new QUdpSocket( this ) )
{
//if ( ! M_socket->bind( QHostAddress::Any, M_port ) )
if ( ! M_socket->bind( M_port ) )
{
std::cerr << "MonitorServer. failed to bind the socket."
<< std::endl;
M_socket->close();
return;
}
if ( ! isConnected() )
{
std::cerr << "MonitorServer. failed to initialize the socket."
<< std::endl;
M_socket->close();
return;
}
// setReadBufferSize() makes no effect for QUdpSocet...
// M_socket->setReadBufferSize( 8192 * 256 );
connect( M_socket, SIGNAL( readyRead() ),
this, SLOT( handleReceive() ) );
}
void ClientSocket::process()
{
if(m_socketState == InvalidState)
{
if(m_socket != InvalidSocket)
{
printf("socketState is invalid, but socket in not invalid, colse socket");
closesocket(m_socket);
m_socket = InvalidSocket;
}
}
else if(m_socketState == ConnectionPending)
{
int optval = 0;
socklen_t optlen = sizeof(optval);
int ret = getsockopt(m_socket, SOL_SOCKET, SO_ERROR, (char*)&optval, &optlen);
if(ret == -1)
{
printf("getsockopt() failed, state is ConnectionPending(%d)", WSAGetLastError());
closesocket(m_socket);
m_socket = InvalidSocket;
}
else
{
if(optval == WSAEINPROGRESS)
{
printf("still trying connect...");
}
else if(optval == 0)
{
printf("connected!");
m_socketState = Connected;
//连接上的操作
}
else
{
printf("optval failed, state is ConnectionPending(%d)", WSAGetLastError());
closesocket(m_socket);
m_socket = InvalidSocket;
}
}
}
else if(m_socketState == Connected)
{
handleReceive();
}
}
void Client::doReceive()
{
boost::asio::async_read(
socket_,
boost::asio::buffer(receive_.getData(), Packet::headerLength),
[this](boost::system::error_code ec, std::size_t)
{
if ( ! ec)
handleReceive();
else
socket_.close();
}
);
}
int Server::run () {
// Waiting for data
int epfd = epoll_create (1);
struct epoll_event epollevent;
epollevent.events = EPOLLIN; // we want read on it
epollevent.data.fd = sock; // user set (we use the file descriptor)
CHECK (epoll_ctl (epfd, EPOLL_CTL_ADD, sock, &epollevent));
struct epoll_event changed[1];
int n;
while ((n = epoll_wait (epfd, changed, 1, -1)) > 0){
CHECK (handleReceive());
}
close (epollfd);
close (sock);
return 0;
}
/*!
*/
MonitorClient::MonitorClient( QObject * parent,
DispHolder & disp_holder,
const char * hostname,
const int port,
const int version )
: QObject( parent )
, M_disp_holder( disp_holder )
, M_server_port( static_cast< quint16 >( port ) )
, M_socket( new QUdpSocket( this ) )
, M_timer( new QTimer( this ) )
, M_version( version )
, M_waited_msec( 0 )
{
assert( parent );
// check protocl versin range
if ( version < 1 )
{
M_version = 1;
}
if ( 4 < version )
{
M_version = 4;
}
QHostInfo host = QHostInfo::fromName( QString::fromAscii( hostname ) );
if ( host.error() != QHostInfo::NoError )
{
qDebug() << "Error " << host.errorString();
return;
}
M_server_addr = host.addresses().front();
// INADDR_ANY, bind random created port to local
if ( ! M_socket->bind( 0 ) )
{
std::cerr << "MonitorClient. failed to bind the socket."
<< std::endl;
return;
}
if ( ! isConnected() )
{
std::cerr << "MonitorClient. failed to initialize the socket."
<< std::endl;
return;
}
// setReadBufferSize() makes no effect for QUdpSocet...
// M_socket->setReadBufferSize( 8192 * 256 );
connect( M_socket, SIGNAL( readyRead() ),
this, SLOT( handleReceive() ) );
connect( M_timer, SIGNAL( timeout() ),
this, SLOT( handleTimer() ) );
}
