ByteArray* Java_java_net_NetworkInterface_getIpv6Addresses(Env* env, JClass* cls, Object* interfaceName) {
const char* name = rvmGetStringUTFChars(env, interfaceName);
if (!name) {
return NULL;
}
jint count = 0;
if (!iterateAddrInfo(env, name, countIpv6AddressesIterator, &count)) {
return NULL;
}
if (count == 0) {
return NULL;
}
ByteArray* result = rvmNewByteArray(env, 16 * 2 * count);
if (!result) {
return NULL;
}
GetIpv6AddressesData data = {result, 0};
if (!iterateAddrInfo(env, name, getIpv6AddressesIterator, &data)) {
return NULL;
}
return result;
}
ByteArray* Java_aura_rt_VM_newByteArray(Env* env, Class* c, jlong address, jint size) {
ByteArray* array = rvmNewByteArray(env, size);
if (array) {
memcpy(array->values, LONG_TO_PTR(address), size * sizeof(jbyte));
}
return array;
}
static jboolean getHardwareAddressIterator(Env* env, struct ifaddrs *ia, void* data) {
ByteArray** resultPtr = (ByteArray**) data;
if (ia->ifa_addr->sa_family == AF_LINK) {
struct sockaddr_dl* addr = (struct sockaddr_dl*) ia->ifa_addr;
if (addr->sdl_alen == 6) {
char* bytes = (char*) LLADDR(addr);
*resultPtr = rvmNewByteArray(env, 6);
if (*resultPtr) {
memcpy((*resultPtr)->values, bytes, 6);
}
return FALSE; // Stop iteration
}
}
return TRUE; // Continue iteration
}
ByteArray* Java_aura_rt_VM_getRuntimeData0(Env* env, Class* c) {
Options* options = env->vm->options;
if (!options->runtimeData) {
return NULL;
}
void* p = options->runtimeData;
jint length = *((jint*) p);
if (length == 0) {
return NULL;
}
p += sizeof(jint);
ByteArray* data = rvmNewByteArray(env, length);
if (!data) {
return NULL;
}
memcpy(data->values, p, length);
return data;
}
ByteArray* Java_java_net_NetworkInterface_getHardwareAddress(Env* env, JClass* cls, Object* interfaceName) {
const char* name = rvmGetStringUTFChars(env, interfaceName);
if (!name) {
return NULL;
}
ByteArray* result = NULL;
#if defined(DARWIN)
// Darwin doesn't have SIOCGIFHWADDR so we need to use getifaddrs() instead.
iterateAddrInfo(env, name, getHardwareAddressIterator, &result);
#else
struct ifreq ifreq;
if (!ioctl_ifreq(env, interfaceName, &ifreq, SIOCGIFHWADDR)) {
return NULL;
}
if (ifreq.ifr_hwaddr.sa_family == ARPHRD_ETHER) {
result = rvmNewByteArray(env, 6);
if (result) {
memcpy(result->values, ifreq.ifr_hwaddr.sa_data, 6);
}
}
#endif
return result;
}
ByteArray* _bcNewByteArray(Env* env, jint length) {
ENTER;
ByteArray* array = rvmNewByteArray(env, length);
LEAVE(array);
}
static jboolean parseArrayElementValue(Env* env, void** attributes, Class* arrayClass, Object* classLoader, jvalue* result) {
jbyte tag = getByte(attributes);
if (tag != '[') return throwFormatError(env, "Array");
Class* componentType = arrayClass->componentType;
jint length = getChar(attributes);
Array* array = NULL;
if (CLASS_IS_PRIMITIVE(componentType)) {
switch (componentType->name[0]) {
case 'Z':
array = (Array*) rvmNewBooleanArray(env, length);
break;
case 'B':
array = (Array*) rvmNewByteArray(env, length);
break;
case 'S':
array = (Array*) rvmNewShortArray(env, length);
break;
case 'C':
array = (Array*) rvmNewCharArray(env, length);
break;
case 'I':
array = (Array*) rvmNewIntArray(env, length);
break;
case 'J':
array = (Array*) rvmNewLongArray(env, length);
break;
case 'F':
array = (Array*) rvmNewFloatArray(env, length);
break;
case 'D':
array = (Array*) rvmNewDoubleArray(env, length);
break;
}
} else {
array = (Array*) rvmNewObjectArray(env, length, NULL, arrayClass, NULL);
}
if (!array) return FALSE;
jint i = 0;
for (i = 0; i < length; i++) {
jvalue v;
if (!parseElementValue(env, attributes, componentType, classLoader, &v)) return FALSE;
if (CLASS_IS_PRIMITIVE(componentType)) {
switch (componentType->name[0]) {
case 'Z':
((BooleanArray*) array)->values[i] = v.z;
break;
case 'B':
((ByteArray*) array)->values[i] = v.b;
break;
case 'S':
((ShortArray*) array)->values[i] = v.s;
break;
case 'C':
((CharArray*) array)->values[i] = v.c;
break;
case 'I':
((IntArray*) array)->values[i] = v.i;
break;
case 'J':
((LongArray*) array)->values[i] = v.j;
break;
case 'F':
((FloatArray*) array)->values[i] = v.f;
break;
case 'D':
((DoubleArray*) array)->values[i] = v.d;
break;
}
} else {
((ObjectArray*) array)->values[i] = (Object*) v.l;
}
}
result->l = (jobject) array;
return result->l ? TRUE : FALSE;
}
static jbyteArray NewByteArray(JNIEnv* env, jsize len) {
return (jbyteArray) rvmNewByteArray((Env*) env, len);
}