MMulticastSocketDevice::MMulticastSocketDevice(
QString sAddress, quint16 nPort, u_char ttl) :
MSocketDevice(MSocketDevice::Datagram),
m_address(sAddress), m_port(nPort)
{
#if 0
ttl = UPnp::GetConfiguration()->GetValue( "UPnP/TTL", 4 );
#endif
if (ttl == 0)
ttl = 4;
setProtocol(IPv4);
setSocket(createNewSocket(), MSocketDevice::Datagram);
m_imr.imr_multiaddr.s_addr = inet_addr(sAddress.toLatin1().constData());
m_imr.imr_interface.s_addr = htonl(INADDR_ANY);
if (setsockopt(socket(), IPPROTO_IP, IP_ADD_MEMBERSHIP,
(const char *)&m_imr, sizeof( m_imr )) < 0)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "setsockopt - IP_ADD_MEMBERSHIP " + ENO);
}
if (setsockopt(socket(), IPPROTO_IP, IP_MULTICAST_TTL,
(const char *)&ttl, sizeof(ttl)) < 0)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "setsockopt - IP_MULTICAST_TTL " + ENO);
}
setAddressReusable(true);
if (!bind(m_address, m_port))
LOG(VB_GENERAL, LOG_ERR, LOC + "bind failed");
}
QMulticastSocket::QMulticastSocket( QString sAddress, quint16 nPort, quint8 ttl )
: MSocketDevice( MSocketDevice::Datagram )
{
m_address.setAddress( sAddress );
m_port = nPort;
// ttl = UPnp::GetConfiguration()_pConfig->GetValue( "UPnP/TTL", 4 );
if (ttl == 0)
ttl = 4;
// Force to IPv4 until a proper upnp spec is complete for ipv6 as well.
setProtocol(IPv4);
setSocket(createNewSocket(), MSocketDevice::Datagram);
// ----------------------------------------------------------------------
// Set the numer of subnets to traverse (TTL)
// ----------------------------------------------------------------------
setsockopt( socket(), IPPROTO_IP, IP_MULTICAST_TTL, (char *)(&ttl), sizeof(ttl) );
setAddressReusable( true );
// ----------------------------------------------------------------------
// bind to the local address/port (win32 requires QHostAddress::Any be used
// ----------------------------------------------------------------------
if (bind( QHostAddress::Any, m_port ) == false)
VERBOSE(VB_IMPORTANT, QString( "QMulticastSocket: bind failed (%1)" ).arg( GET_SOCKET_ERROR ));
// ----------------------------------------------------------------------
// Now join the Multicast group
// ----------------------------------------------------------------------
QByteArray addr = sAddress.toLatin1();
struct ip_mreq imr;
imr.imr_multiaddr.s_addr = inet_addr( addr.constData() );
imr.imr_interface.s_addr = htonl(INADDR_ANY);
if ( setsockopt( socket(), IPPROTO_IP, IP_ADD_MEMBERSHIP, (char *)(&imr), sizeof( imr )) != 0)
VERBOSE(VB_IMPORTANT, QString( "QMulticastSocket: setsockopt - IP_ADD_MEMBERSHIP Error (%1)" ).arg( GET_SOCKET_ERROR ));
}
/**
* \brief connect to host
* \return true on success
*/
bool MythSocket::connect(const QHostAddress &addr, quint16 port)
{
if (state() == Connected)
{
VERBOSE(VB_SOCKET, LOC +
"connect() called with already open socket, closing");
close();
}
VERBOSE(VB_SOCKET, LOC + QString("attempting connect() to (%1:%2)")
.arg(addr.toString()).arg(port));
if (!MSocketDevice::connect(addr, port))
{
VERBOSE(VB_SOCKET, LOC + QString("connect() failed (%1)")
.arg(errorToString()));
setState(Idle);
return false;
}
setReceiveBufferSize(kSocketBufferSize);
setAddressReusable(true);
setKeepalive(true);
if (state() == Connecting)
{
setState(Connected);
if (m_cb)
{
VERBOSE(VB_SOCKET, LOC + "calling m_cb->connected()");
m_cb->connected(this);
s_readyread_thread->WakeReadyReadThread();
}
}
else
{
setState(Connected);
}
return true;
}
