bool QtLocalPeer::sendMessage(const QString &message, int timeout)
{
if (!isClient())
return false;
QLocalSocket socket;
bool connOk = false;
for (int i = 0; i < 2; i++) {
// Try twice, in case the other instance is just starting up
socket.connectToServer(socketName);
connOk = socket.waitForConnected(timeout/2);
if (connOk || i)
break;
int ms = 250;
#if defined(Q_OS_WIN)
Sleep(DWORD(ms));
#else
struct timespec ts = { ms / 1000, (ms % 1000) * 1000 * 1000 };
nanosleep(&ts, NULL);
#endif
}
if (!connOk)
return false;
QByteArray uMsg(message.toUtf8());
QDataStream ds(&socket);
ds.writeBytes(uMsg.constData(), uMsg.size());
bool res = socket.waitForBytesWritten(timeout);
res &= socket.waitForReadyRead(timeout); // wait for ack
res &= (socket.read(qstrlen(ack)) == ack);
return res;
}
unsigned int LocalPeer::get_hwnd_and_activate()
{
unsigned int hwnd = 0;
#ifdef _WIN32
QLocalSocket socket;
bool connOk = false;
int timeout = 5000;
for(int i = 0; i < 2; i++)
{
socket.connectToServer(socket_name_);
connOk = socket.waitForConnected(timeout/2);
if (connOk || i)
break;
int ms = 250;
Sleep(DWORD(ms));
}
if (!connOk)
return false;
QByteArray uMsg((QString(crossprocess_message_get_hwnd_activate)).toUtf8());
QDataStream ds(&socket);
ds.writeBytes(uMsg.constData(), uMsg.size());
if (socket.waitForBytesWritten(timeout))
{
if (socket.waitForReadyRead(timeout))
{
QByteArray data_read = socket.readAll();
if (data_read.size() == sizeof(hwnd))
{
hwnd = *(unsigned int*) data_read.data();
}
}
}
#endif _WIN32
return hwnd;
}