BrowserNetwork::BrowserNetwork(RocketWebBrowser *browser_, quint16 port_) :
browser(browser_),
client(0),
port(port_)
{
server = new QTcpServer(this);
if (server->listen(QHostAddress::LocalHost, port))
connect(server, SIGNAL(newConnection()), SLOT(OnNewConnection()));
else
qDebug() << "ERROR - RocketWebBrowser: Network server startup failed!";
}
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent), ui(new Ui::MainWindow)
{
ui->setupUi(this);
m_pPlotWidget = ui->plotWidget;
m_pPlotWidget->setMargin(4);
m_pPlotWidget->updateLayout();
m_pPlotWidget->setFrameStyle(QFrame::NoFrame);
m_pPlotWidget->setLineWidth(0);
m_pPlotWidget->setCanvasLineWidth(2);
m_pPlotWidget->plotLayout()->setAlignCanvasToScales(true);
QwtPlotGrid *grid = new QwtPlotGrid;
grid->setMajPen(QPen(Qt::gray, 0, Qt::DotLine));
grid->attach( m_pPlotWidget);
m_pPlotWidget->setCanvasBackground(QColor(60, 60, 60));
m_pPlotWidget->setAxisScale(m_pPlotWidget->xBottom, 0, 10);
m_pPlotWidget->setAxisScale(m_pPlotWidget->yLeft, 0, 100);
m_pPlotWidget->replot();
tcpSocket = NULL;
tcpServer = new QTcpServer(this);
if (!tcpServer->listen(QHostAddress::Any, 12345))
{
QMessageBox::critical(this, "ResourceViewer",
"Unable to start the server: " + tcpServer->errorString());
}
connect(tcpServer, SIGNAL(newConnection()), this, SLOT(OnNewConnection()));
qDebug()<< "Starting";
}
bool TMsgCore::openConnection() // server side
{
// QHostAddress host = (remoteConnection) ?
// QHostAddress::AnyQHostAddress::LocalHost : ;
if (m_tcpServer != 0 && m_tcpServer->serverAddress() == QHostAddress::Any)
return true;
if (m_tcpServer != 0) delete m_tcpServer;
m_tcpServer = new QTcpServer();
bool ret =
connect(m_tcpServer, SIGNAL(newConnection()), SLOT(OnNewConnection()));
// bool listen =
// m_tcpServer->listen(QString("tmsg")+QString::number(QCoreApplication::applicationPid()));
bool listen = m_tcpServer->listen(
QHostAddress::Any,
TMSG_PORT); // QString("tmsg")+QString::number(QCoreApplication::applicationPid()));
if (!listen) {
QString err = m_tcpServer->errorString();
}
assert(ret && listen);
return true;
}
BOOL CListeningSocket::WaitForConnection( void )
{
ASSERT_VALID( this );
if ( m_PortNumberInNetworkByteOrder == 0 )
{
return( FALSE );
}
if ( m_ServerSocketID == INVALID_SOCKET )
{
if ( Open() == FALSE )
{
TRACE( "CListeningSocket::WaitForConnection(), Can't open() at line %d of %s\n", __LINE__, __FILE__ );
return( FALSE );
}
}
SOCKADDR incoming_socket_address;
int byte_count = 0;
byte_count = sizeof( incoming_socket_address );
::ZeroMemory( &incoming_socket_address, byte_count );
/*
** PROGRAM EXECUTION STOPS HERE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
**
** accept() is a blocking call meaning that the this thread of execution is paused
** (ie goes to sleep) until someone on the network connects to us. We will "wake up"
** when that happens and continue along our merry way.
*/
m_SocketID = ::accept( m_ServerSocketID, &incoming_socket_address, &byte_count );
if ( m_SocketID == INVALID_SOCKET )
{
m_ErrorCode = ::WSAGetLastError();
return( FALSE );
}
/*
** The method for actually converting the incoming address to something that is human
** readable is either undocumented or extremely poorly documented. Not suprising since
** the idea of sockets came out of the Unix world...
*/
LPSTR dotted_ip_address = (LPSTR) NULL;
struct in_addr internet_address;
/*
** Aren't these structure member names intuitively obvious??
*/
internet_address.S_un.S_un_b.s_b1 = incoming_socket_address.sa_data[ 2 ];
internet_address.S_un.S_un_b.s_b2 = incoming_socket_address.sa_data[ 3 ];
internet_address.S_un.S_un_b.s_b3 = incoming_socket_address.sa_data[ 4 ];
internet_address.S_un.S_un_b.s_b4 = incoming_socket_address.sa_data[ 5 ];
dotted_ip_address = ::inet_ntoa( internet_address );
if ( dotted_ip_address == (LPSTR) NULL )
{
m_ErrorCode = WSAEINVAL;
return( FALSE );
}
ULONG temp_long = 0L;
temp_long = ::inet_addr( (LPCSTR) dotted_ip_address );
if ( temp_long == INADDR_NONE )
{
m_ErrorCode = WSAEINVAL;
return( FALSE );
}
LPHOSTENT host_entry_p = (LPHOSTENT) NULL;
host_entry_p = ::gethostbyaddr( (const char *) &temp_long, 4, PF_INET );
if ( host_entry_p == (LPHOSTENT) NULL )
{
m_ErrorCode = ::WSAGetLastError();
return( FALSE );
}
TRACE( "%s (%s) just connected to us\n", host_entry_p->h_name, (const char *) dotted_ip_address );
SetAddress( dotted_ip_address );
OnNewConnection( m_SocketID, Name, dotted_ip_address );
return( TRUE );
}
