// -----------------------------------------------------------------------------
// CSdpConnectionField::IsValidAddress
// Checks if the given address is valid
// -----------------------------------------------------------------------------
//
TInt CSdpConnectionField::IsValidAddress(
const TInetAddr& aAddress,
TInt aTTL,
TUint aNumOfAddress ) const
{
TInt err( KErrSdpCodecConnectionField );
// 0 <= TTL <= 255 or KErrNotFound if not defined
// Number of addresses > 0
if ( ( aTTL == KErrNotFound || ( aTTL >= 0 && aTTL <= 255 ) ) &&
aNumOfAddress > 0 )
{
TBuf16 <KMaxAddressLength> output;
aAddress.Output(output);
// Address has to be either of type IP4 or IP6
// If IP4 and multicast then it must contain TTL attribute
// If IP4 and unicast then it must NOT contain TTL and must have 1 address
// If IP6 and multicast then it must NOT contain TTL
// If IP6 and unicast then it must NOT contain TTL and must have 1 address
if ( ( aAddress.Address() &&
( ( aAddress.IsMulticast() && aTTL != KErrNotFound ) ||
( aAddress.IsUnicast() && aTTL == KErrNotFound &&
aNumOfAddress == 1 ) ) ) ||
( !aAddress.Address() &&
( ( aAddress.IsMulticast() && aTTL == KErrNotFound ) ||
( aAddress.IsUnicast() && aTTL == KErrNotFound &&
aNumOfAddress == 1 ) ) ||
( aAddress.IsWildAddr() &&
( output.Match(KWildAddr) == 0||
output.Match(KWildAddrIPv6) == 0 )) ) )
{
err = KErrNone;
}
}
return err;
}
