qint64 QNativeSocketEnginePrivate::nativeSendDatagram(const char *data, qint64 len,
const QHostAddress &address, quint16 port)
{
qint64 ret = -1;
struct sockaddr_in sockAddrIPv4;
qt_sockaddr_in6 sockAddrIPv6;
struct sockaddr *sockAddrPtr;
QT_SOCKLEN_T sockAddrSize;
qt_socket_setPortAndAddress(socketDescriptor, &sockAddrIPv4, &sockAddrIPv6, port, address, &sockAddrPtr, &sockAddrSize);
if (QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based && len > qint64(qt_socket_getMaxMsgSize(socketDescriptor))) {
// WSAEMSGSIZE is not reliable enough (win 9x) so we check max size our self.
setError(QAbstractSocket::DatagramTooLargeError, DatagramTooLargeErrorString);
} else {
WSABUF buf;
#if !defined(Q_OS_WINCE)
buf.buf = len ? (char*)data : 0;
#else
char tmp;
buf.buf = len ? (char*)data : &tmp;
#endif
buf.len = len;
DWORD flags = 0;
DWORD bytesSent = 0;
if (::WSASendTo(socketDescriptor, &buf, 1, &bytesSent, flags, sockAddrPtr, sockAddrSize, 0,0) == SOCKET_ERROR) {
int err = WSAGetLastError();
WS_ERROR_DEBUG(err);
switch (err) {
case WSAEMSGSIZE:
setError(QAbstractSocket::DatagramTooLargeError, DatagramTooLargeErrorString);
break;
default:
setError(QAbstractSocket::NetworkError, SendDatagramErrorString);
break;
}
ret = -1;
} else {
ret = qint64(bytesSent);
}
}
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEnginePrivate::nativeSendDatagram(%p \"%s\", %li, \"%s\", %i) == %li", data,
qt_prettyDebug(data, qMin<qint64>(len, 16), len).data(), 0, address.toString().toLatin1().constData(),
port, ret);
#endif
return ret;
}
bool QNativeSocketEnginePrivate::nativeBind(const QHostAddress &address, quint16 port)
{
struct sockaddr_in sockAddrIPv4;
qt_sockaddr_in6 sockAddrIPv6;
struct sockaddr *sockAddrPtr = 0;
QT_SOCKLEN_T sockAddrSize = 0;
qt_socket_setPortAndAddress(socketDescriptor, &sockAddrIPv4, &sockAddrIPv6, port, address, &sockAddrPtr, &sockAddrSize);
int bindResult = ::bind(socketDescriptor, sockAddrPtr, sockAddrSize);
if (bindResult == SOCKET_ERROR) {
int err = WSAGetLastError();
WS_ERROR_DEBUG(err);
switch (err) {
case WSANOTINITIALISED:
//###
break;
case WSAEADDRINUSE:
case WSAEINVAL:
setError(QAbstractSocket::AddressInUseError, AddressInuseErrorString);
break;
case WSAEACCES:
setError(QAbstractSocket::SocketAccessError, AddressProtectedErrorString);
break;
case WSAEADDRNOTAVAIL:
setError(QAbstractSocket::SocketAddressNotAvailableError, AddressNotAvailableErrorString);
break;
default:
break;
}
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEnginePrivate::nativeBind(%s, %i) == false (%s)",
address.toString().toLatin1().constData(), port, socketErrorString.toLatin1().constData());
#endif
return false;
}
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEnginePrivate::nativeBind(%s, %i) == true",
address.toString().toLatin1().constData(), port);
#endif
socketState = QAbstractSocket::BoundState;
return true;
}
bool QNativeSocketEnginePrivate::nativeConnect(const QHostAddress &address, quint16 port)
{
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEnginePrivate::nativeConnect() to %s :: %i", address.toString().toLatin1().constData(), port);
#endif
struct sockaddr_in sockAddrIPv4;
qt_sockaddr_in6 sockAddrIPv6;
struct sockaddr *sockAddrPtr = 0;
QT_SOCKLEN_T sockAddrSize = 0;
qt_socket_setPortAndAddress(socketDescriptor, &sockAddrIPv4, &sockAddrIPv6, port, address, &sockAddrPtr, &sockAddrSize);
forever {
int connectResult = ::WSAConnect(socketDescriptor, sockAddrPtr, sockAddrSize, 0,0,0,0);
if (connectResult == SOCKET_ERROR) {
int err = WSAGetLastError();
WS_ERROR_DEBUG(err);
switch (err) {
case WSANOTINITIALISED:
//###
break;
case WSAEISCONN:
socketState = QAbstractSocket::ConnectedState;
break;
case WSAEWOULDBLOCK: {
// If WSAConnect returns WSAEWOULDBLOCK on the second
// connection attempt, we have to check SO_ERROR's
// value to detect ECONNREFUSED. If we don't get
// ECONNREFUSED, we'll have to treat it as an
// unfinished operation.
int value = 0;
QT_SOCKLEN_T valueSize = sizeof(value);
if (::getsockopt(socketDescriptor, SOL_SOCKET, SO_ERROR, (char *) &value, &valueSize) == 0) {
if (value == WSAECONNREFUSED) {
setError(QAbstractSocket::ConnectionRefusedError, ConnectionRefusedErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
}
if (value == WSAETIMEDOUT) {
setError(QAbstractSocket::NetworkError, ConnectionTimeOutErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
}
if (value == WSAEHOSTUNREACH) {
setError(QAbstractSocket::NetworkError, HostUnreachableErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
}
if (value == WSAEADDRNOTAVAIL) {
setError(QAbstractSocket::NetworkError, AddressNotAvailableErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
}
}
// fall through
}
case WSAEINPROGRESS:
setError(QAbstractSocket::UnfinishedSocketOperationError, InvalidSocketErrorString);
socketState = QAbstractSocket::ConnectingState;
break;
case WSAEADDRINUSE:
setError(QAbstractSocket::NetworkError, AddressInuseErrorString);
break;
case WSAECONNREFUSED:
setError(QAbstractSocket::ConnectionRefusedError, ConnectionRefusedErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
case WSAETIMEDOUT:
setError(QAbstractSocket::NetworkError, ConnectionTimeOutErrorString);
break;
case WSAEACCES:
setError(QAbstractSocket::SocketAccessError, AccessErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
case WSAEHOSTUNREACH:
setError(QAbstractSocket::NetworkError, HostUnreachableErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
case WSAENETUNREACH:
setError(QAbstractSocket::NetworkError, NetworkUnreachableErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
case WSAEINVAL:
case WSAEALREADY:
setError(QAbstractSocket::UnfinishedSocketOperationError, InvalidSocketErrorString);
break;
default:
break;
}
if (socketState != QAbstractSocket::ConnectedState) {
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEnginePrivate::nativeConnect(%s, %i) == false (%s)",
address.toString().toLatin1().constData(), port,
socketState == QAbstractSocket::ConnectingState
? "Connection in progress" : socketErrorString.toLatin1().constData());
#endif
return false;
}
}
break;
}
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEnginePrivate::nativeConnect(%s, %i) == true",
address.toString().toLatin1().constData(), port);
#endif
socketState = QAbstractSocket::ConnectedState;
return true;
}