JNIEXPORT jint JNICALL Java_com_apple_dnssd_AppleRecordRegistrar_RegisterRecord( JNIEnv *pEnv, jobject pThis,
jint flags, jint ifIndex, jstring fullname, jint rrType, jint rrClass,
jbyteArray rData, jint ttl, jobject destObj)
{
jclass cls = (*pEnv)->GetObjectClass( pEnv, pThis);
jfieldID contextField = (*pEnv)->GetFieldID( pEnv, cls, "fNativeContext", "J");
jclass destCls = (*pEnv)->GetObjectClass( pEnv, destObj);
jfieldID recField = (*pEnv)->GetFieldID( pEnv, destCls, "fRecord", "J");
const char *nameStr = SafeGetUTFChars( pEnv, fullname);
OpContext *pContext = NULL;
DNSServiceErrorType err = kDNSServiceErr_NoError;
jbyte *pBytes;
jsize numBytes;
DNSRecordRef recRef;
RecordRegistrationRef *regEnvelope;
if ( contextField != 0)
pContext = (OpContext*) (long) (*pEnv)->GetLongField(pEnv, pThis, contextField);
if ( pContext == NULL || pContext->ServiceRef == NULL || nameStr == NULL)
return kDNSServiceErr_BadParam;
regEnvelope = calloc( 1, sizeof *regEnvelope);
if ( regEnvelope == NULL)
return kDNSServiceErr_NoMemory;
regEnvelope->Context = pContext;
regEnvelope->RecordObj = (*pEnv)->NewWeakGlobalRef( pEnv, destObj); // must convert local ref to global to cache
pBytes = (*pEnv)->GetByteArrayElements( pEnv, rData, NULL);
numBytes = (*pEnv)->GetArrayLength( pEnv, rData);
err = DNSServiceRegisterRecord( pContext->ServiceRef, &recRef, flags, ifIndex,
nameStr, rrType, rrClass, numBytes, pBytes, ttl,
RegisterRecordReply, regEnvelope);
if ( err == kDNSServiceErr_NoError)
{
(*pEnv)->SetLongField(pEnv, destObj, recField, (long) recRef);
}
else
{
if ( regEnvelope->RecordObj != NULL)
(*pEnv)->DeleteWeakGlobalRef( pEnv, regEnvelope->RecordObj);
free( regEnvelope);
}
if ( pBytes != NULL)
(*pEnv)->ReleaseByteArrayElements( pEnv, rData, pBytes, 0);
SafeReleaseUTFChars( pEnv, fullname, nameStr);
return err;
}
static int
mdns_register_record(uint16_t rrtype, const char *name, uint16_t rdlen,
const void *rdata)
{
struct mdns_record *r;
DNSServiceErrorType err;
DPRINTF(E_DBG, L_MDNS, "Adding mDNS record %s/%u\n", name, rrtype);
r = calloc(1, sizeof(*r));
if (!r)
{
DPRINTF(E_LOG, L_MDNS, "Out of memory adding record.\n");
return -1;
}
r->name = strdup(name);
if (!(r->name))
{
DPRINTF(E_LOG, L_MDNS, "Out of memory adding record.\n");
return mdns_record_free(r);
}
r->rrtype = rrtype;
err = DNSServiceRegisterRecord(mdns_sdref_main, &r->recRef,
kDNSServiceFlagsShared, 0, r->name,
r->rrtype, kDNSServiceClass_IN, rdlen, rdata,
0, mdns_record_callback, r);
if (err != kDNSServiceErr_NoError)
{
DPRINTF(E_LOG, L_MDNS, "Error registering record %s, error %d\n", name,
err);
return mdns_record_free(r);
}
/* keep these around so we can display r->name in the callback */
r->next = mdns_records;
mdns_records = r;
return 0;
}