mDNSlocal mStatus mDNS_RegisterProxyHost(mDNS *m, ProxyHost *p)
{
char buffer[32];
mDNS_SetupResourceRecord(&p->RR_A, mDNSNULL, mDNSInterface_Any, kDNSType_A, 60, kDNSRecordTypeUnique, AuthRecordAny, HostNameCallback, p);
mDNS_SetupResourceRecord(&p->RR_PTR, mDNSNULL, mDNSInterface_Any, kDNSType_PTR, 60, kDNSRecordTypeKnownUnique, AuthRecordAny, HostNameCallback, p);
p->RR_A.namestorage.c[0] = 0;
AppendDomainLabel(&p->RR_A.namestorage, &p->hostlabel);
AppendLiteralLabelString(&p->RR_A.namestorage, "local");
// Note: This is reverse order compared to a normal dotted-decimal IP address, so we can't use our customary "%.4a" format code
mDNS_snprintf(buffer, sizeof(buffer), "%d.%d.%d.%d.in-addr.arpa.", p->ip.b[3], p->ip.b[2], p->ip.b[1], p->ip.b[0]);
MakeDomainNameFromDNSNameString(&p->RR_PTR.namestorage, buffer);
p->RR_PTR.ForceMCast = mDNStrue; // This PTR points to our dot-local name, so don't ever try to write it into a uDNS server
p->RR_A.resrec.rdata->u.ipv4 = p->ip;
AssignDomainName(&p->RR_PTR.resrec.rdata->u.name, p->RR_A.resrec.name);
mDNS_Register(m, &p->RR_A);
mDNS_Register(m, &p->RR_PTR);
debugf("Made Proxy Host Records for %##s", p->RR_A.resrec.name->c);
return(mStatus_NoError);
}
mDNSlocal OSStatus mDNSResponderSetAvail(mDNS *m, AuthRecord *rr, ServiceRecordSet *sr)
{
// 1. Initialize required fields of AuthRecord
// 2. Set name of subtype PTR record to our special subtype name denoting "available" instances
// 3. Set target of subtype PTR record to point to our SRV record (exactly the same as the main service PTR record)
// 4. And register it
mDNS_SetupResourceRecord(rr, mDNSNULL, mDNSInterface_Any, kDNSType_PTR, 2*3600, kDNSRecordTypeShared, AvailCallback, &availRec2Active);
MakeDomainNameFromDNSNameString(rr->resrec.name, "a._sub._raop._tcp.local.");
AssignDomainName(&rr->resrec.rdata->u.name, sr->RR_SRV.resrec.name);
return(mDNS_Register(m, rr));
}
