JNIEXPORT jint JNICALL Java_com_apple_dnssd_AppleRegistration_BeginRegister( JNIEnv *pEnv, jobject pThis,
jint ifIndex, jint flags, jstring serviceName, jstring regType,
jstring domain, jstring host, jint port, jbyteArray txtRecord)
{
//syslog(LOG_ERR, "BR");
jclass cls = (*pEnv)->GetObjectClass( pEnv, pThis);
jfieldID contextField = (*pEnv)->GetFieldID( pEnv, cls, "fNativeContext", "J");
OpContext *pContext = NULL;
DNSServiceErrorType err = kDNSServiceErr_NoError;
jbyte *pBytes;
jsize numBytes;
//syslog(LOG_ERR, "BR: contextField %d", contextField);
if ( contextField != 0)
pContext = NewContext( pEnv, pThis, "serviceRegistered",
"(Lcom/apple/dnssd/DNSSDRegistration;ILjava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
else
err = kDNSServiceErr_BadParam;
if ( pContext != NULL)
{
const char *servStr = SafeGetUTFChars( pEnv, serviceName);
const char *regStr = SafeGetUTFChars( pEnv, regType);
const char *domainStr = SafeGetUTFChars( pEnv, domain);
const char *hostStr = SafeGetUTFChars( pEnv, host);
//syslog(LOG_ERR, "BR: regStr %s", regStr);
// Since Java ints are defined to be big-endian, we de-canonicalize 'port' from a
// big-endian number into a 16-bit pattern here.
uint16_t portBits = port;
portBits = ( ((unsigned char*) &portBits)[0] << 8) | ((unsigned char*) &portBits)[1];
pBytes = txtRecord ? (*pEnv)->GetByteArrayElements( pEnv, txtRecord, NULL) : NULL;
numBytes = txtRecord ? (*pEnv)->GetArrayLength( pEnv, txtRecord) : 0;
err = DNSServiceRegister( &pContext->ServiceRef, flags, ifIndex, servStr, regStr,
domainStr, hostStr, portBits,
numBytes, pBytes, ServiceRegisterReply, pContext);
if ( err == kDNSServiceErr_NoError)
{
(*pEnv)->SetLongField(pEnv, pThis, contextField, (long) pContext);
}
if ( pBytes != NULL)
(*pEnv)->ReleaseByteArrayElements( pEnv, txtRecord, pBytes, 0);
SafeReleaseUTFChars( pEnv, serviceName, servStr);
SafeReleaseUTFChars( pEnv, regType, regStr);
SafeReleaseUTFChars( pEnv, domain, domainStr);
SafeReleaseUTFChars( pEnv, host, hostStr);
}
else
err = kDNSServiceErr_NoMemory;
return err;
}
JNIEXPORT jint JNICALL Java_com_apple_dnssd_AppleQuery_CreateQuery( JNIEnv *pEnv, jobject pThis,
jint flags, jint ifIndex, jstring serviceName, jint rrtype, jint rrclass)
{
jclass cls = (*pEnv)->GetObjectClass( pEnv, pThis);
jfieldID contextField = (*pEnv)->GetFieldID( pEnv, cls, "fNativeContext", "J");
OpContext *pContext = NULL;
DNSServiceErrorType err = kDNSServiceErr_NoError;
if ( contextField != 0)
pContext = NewContext( pEnv, pThis, "queryAnswered",
"(Lcom/apple/dnssd/DNSSDService;IILjava/lang/String;II[BI)V");
else
err = kDNSServiceErr_BadParam;
if ( pContext != NULL)
{
const char *servStr = SafeGetUTFChars( pEnv, serviceName);
err = DNSServiceQueryRecord( &pContext->ServiceRef, flags, ifIndex, servStr,
rrtype, rrclass, ServiceQueryReply, pContext);
if ( err == kDNSServiceErr_NoError)
{
(*pEnv)->SetLongField(pEnv, pThis, contextField, (long) pContext);
}
SafeReleaseUTFChars( pEnv, serviceName, servStr);
}
else
err = kDNSServiceErr_NoMemory;
return err;
}
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;
}
JNIEXPORT jint JNICALL Java_com_apple_dnssd_AppleDNSSD_GetIfIndexForName( JNIEnv *pEnv, jobject pThis _UNUSED,
jstring ifName)
{
uint32_t ifIndex = kDNSServiceInterfaceIndexLocalOnly;
const char *nameStr = SafeGetUTFChars( pEnv, ifName);
if (strcmp(nameStr, LOCAL_ONLY_NAME))
ifIndex = if_nametoindex( nameStr);
SafeReleaseUTFChars( pEnv, ifName, nameStr);
return ifIndex;
}
JNIEXPORT jint JNICALL Java_com_apple_dnssd_AppleDNSSD_ConstructName( JNIEnv *pEnv, jobject pThis _UNUSED,
jstring serviceName, jstring regtype, jstring domain, jobjectArray pOut)
{
DNSServiceErrorType err = kDNSServiceErr_NoError;
const char *nameStr = SafeGetUTFChars( pEnv, serviceName);
const char *regStr = SafeGetUTFChars( pEnv, regtype);
const char *domStr = SafeGetUTFChars( pEnv, domain);
char buff[ kDNSServiceMaxDomainName + 1];
err = DNSServiceConstructFullName( buff, nameStr, regStr, domStr);
if ( err == kDNSServiceErr_NoError)
{
// pOut is expected to be a String[1] array.
(*pEnv)->SetObjectArrayElement( pEnv, pOut, 0, (*pEnv)->NewStringUTF( pEnv, buff));
}
SafeReleaseUTFChars( pEnv, serviceName, nameStr);
SafeReleaseUTFChars( pEnv, regtype, regStr);
SafeReleaseUTFChars( pEnv, domain, domStr);
return err;
}
JNIEXPORT jint JNICALL Java_com_apple_dnssd_AppleBrowser_CreateBrowser( JNIEnv *pEnv, jobject pThis,
jint flags, jint ifIndex, jstring regType, jstring domain)
{
jclass cls = (*pEnv)->GetObjectClass( pEnv, pThis);
jfieldID contextField = (*pEnv)->GetFieldID( pEnv, cls, "fNativeContext", "J");
OpContext *pContext = NULL;
DNSServiceErrorType err = kDNSServiceErr_NoError;
if ( contextField != 0)
pContext = NewContext( pEnv, pThis, "serviceFound",
"(Lcom/apple/dnssd/DNSSDService;IILjava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
else
err = kDNSServiceErr_BadParam;
if ( pContext != NULL)
{
const char *regStr = SafeGetUTFChars( pEnv, regType);
const char *domainStr = SafeGetUTFChars( pEnv, domain);
pContext->Callback2 = (*pEnv)->GetMethodID( pEnv,
(*pEnv)->GetObjectClass( pEnv, pContext->ClientObj),
"serviceLost", "(Lcom/apple/dnssd/DNSSDService;IILjava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
err = DNSServiceBrowse( &pContext->ServiceRef, flags, ifIndex, regStr, domainStr, ServiceBrowseReply, pContext);
if ( err == kDNSServiceErr_NoError)
{
(*pEnv)->SetLongField(pEnv, pThis, contextField, (long) pContext);
}
SafeReleaseUTFChars( pEnv, regType, regStr);
SafeReleaseUTFChars( pEnv, domain, domainStr);
}
else
err = kDNSServiceErr_NoMemory;
return err;
}
JNIEXPORT jint JNICALL Java_com_apple_dnssd_AppleResolver_CreateResolver( JNIEnv *pEnv, jobject pThis,
jint flags, jint ifIndex, jstring serviceName, jstring regType, jstring domain)
{
jclass cls = (*pEnv)->GetObjectClass( pEnv, pThis);
jfieldID contextField = (*pEnv)->GetFieldID( pEnv, cls, "fNativeContext", "J");
OpContext *pContext = NULL;
DNSServiceErrorType err = kDNSServiceErr_NoError;
if ( contextField != 0)
pContext = NewContext( pEnv, pThis, "serviceResolved",
"(Lcom/apple/dnssd/DNSSDService;II[B[BILcom/apple/dnssd/TXTRecord;)V");
else
err = kDNSServiceErr_BadParam;
if ( pContext != NULL)
{
const char *servStr = SafeGetUTFChars( pEnv, serviceName);
const char *regStr = SafeGetUTFChars( pEnv, regType);
const char *domainStr = SafeGetUTFChars( pEnv, domain);
err = DNSServiceResolve( &pContext->ServiceRef, flags, ifIndex,
servStr, regStr, domainStr, ServiceResolveReply, pContext);
if ( err == kDNSServiceErr_NoError)
{
(*pEnv)->SetLongField(pEnv, pThis, contextField, (long) pContext);
}
SafeReleaseUTFChars( pEnv, serviceName, servStr);
SafeReleaseUTFChars( pEnv, regType, regStr);
SafeReleaseUTFChars( pEnv, domain, domainStr);
}
else
err = kDNSServiceErr_NoMemory;
return err;
}
JNIEXPORT void JNICALL Java_com_apple_dnssd_AppleDNSSD_ReconfirmRecord( JNIEnv *pEnv, jobject pThis _UNUSED,
jint flags, jint ifIndex, jstring fullName,
jint rrtype, jint rrclass, jbyteArray rdata)
{
jbyte *pBytes;
jsize numBytes;
const char *nameStr = SafeGetUTFChars( pEnv, fullName);
pBytes = (*pEnv)->GetByteArrayElements( pEnv, rdata, NULL);
numBytes = (*pEnv)->GetArrayLength( pEnv, rdata);
DNSServiceReconfirmRecord( flags, ifIndex, nameStr, rrtype, rrclass, numBytes, pBytes);
if ( pBytes != NULL)
(*pEnv)->ReleaseByteArrayElements( pEnv, rdata, pBytes, 0);
SafeReleaseUTFChars( pEnv, fullName, nameStr);
}