/**
Get the internet name of this host. Actually this will always return a null
string with TCPIP 030 and onwards because the "name" of a mobile host
isn't really very meaningful - in practice the IP address is chosen dynamically
once you start doing real networking, at which time the ISP can resolve the
IP address into a name of some sort if you really want.
@return
@param name
@param size
*/
EXPORT_C int gethostname (char *name, size_t size)
{
int* perrno=__errno();
RSocketServ ss;
TInt err=ss.Connect(1);
if (err==KErrNone)
{
RHostResolver r;
err=r.Open(ss, AF_INET, KProtocolInetUdp);
if (err==KErrNone)
{
TBuf<128> hostname;
err=r.GetHostName(hostname);
if (err==KErrNone)
{
if (size>(size_t)hostname.Length())
{
TPtr8 retval((TText8*)name,size);
retval.Copy(hostname);
retval.PtrZ();
}
else
err=ENAMETOOLONG;
}
r.Close();
}
ss.Close();
}
return MapError(err,*perrno);
}
// from PDIS miso library
// Gets the local device name.
// Arguments:
// - aName - object to hold the retrieved name.
//
// Returns an error code.
static TInt GetLocalName(TDes& aName)
{
TInt err = KErrNone;
RSocketServ socketServ;
err = socketServ.Connect();
if (!err) {
TProtocolName protocolName;
// address and name queries are apparently supplied
// by the BT stack's link manager
_LIT(KBtLinkManager, "BTLinkManager");
protocolName.Copy(KBtLinkManager);
TProtocolDesc protocolDesc;
err = socketServ.FindProtocol(protocolName, protocolDesc);
if (!err) {
RHostResolver hostResolver;
err = hostResolver.Open(socketServ,
protocolDesc.iAddrFamily,
protocolDesc.iProtocol);
if (!err) {
err = hostResolver.GetHostName(aName);
hostResolver.Close();
}
}
socketServ.Close();
}
return err;
}
QString QHostInfo::localHostName()
{
// Connect to ESOCK
RSocketServ socketServ(qt_symbianGetSocketServer());
RHostResolver hostResolver;
// RConnection not required to get the host name
int err = hostResolver.Open(socketServ, KAfInet, KProtocolInetUdp);
if (err)
return QString();
THostName hostName;
err = hostResolver.GetHostName(hostName);
if (err)
return QString();
hostResolver.Close();
return qt_TDesC2QString(hostName);
}
