mirror of https://github.com/NekoX-Dev/NekoX.git
507 lines
14 KiB
Java
507 lines
14 KiB
Java
package org.telegram.tgnet;
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import org.telegram.messenger.FileLog;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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public class NativeByteBuffer extends AbstractSerializedData {
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protected int address;
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public ByteBuffer buffer;
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private boolean justCalc = false;
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private int len = 0;
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private static final ThreadLocal<NativeByteBuffer> addressWrapper = new ThreadLocal<NativeByteBuffer>() {
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@Override
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protected NativeByteBuffer initialValue() {
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return new NativeByteBuffer(0, true);
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}
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};
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public static NativeByteBuffer wrap(int address) {
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NativeByteBuffer result = addressWrapper.get();
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if (address != 0) {
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result.address = address;
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result.buffer = native_getJavaByteBuffer(address);
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result.buffer.limit(native_limit(address));
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int position = native_position(address);
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if (position <= result.buffer.limit()) {
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result.buffer.position(position);
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} else {
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FileLog.e("tmessages", "what with position " + position);
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}
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result.buffer.order(ByteOrder.LITTLE_ENDIAN);
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}
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return result;
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}
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private NativeByteBuffer(int address, boolean wrap) {
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}
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public NativeByteBuffer(int size) throws Exception {
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if (size >= 0) {
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address = native_getFreeBuffer(size);
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if (address != 0) {
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buffer = native_getJavaByteBuffer(address);
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buffer.position(0);
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buffer.limit(size);
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buffer.order(ByteOrder.LITTLE_ENDIAN);
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}
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} else {
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throw new Exception("invalid NativeByteBuffer size");
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}
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}
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public NativeByteBuffer(boolean calculate) {
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justCalc = calculate;
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}
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public int position() {
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return buffer.position();
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}
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public void position(int position) {
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buffer.position(position);
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}
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public int capacity() {
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return buffer.capacity();
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}
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public int limit() {
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return buffer.limit();
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}
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public void limit(int limit) {
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buffer.limit(limit);
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}
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public void put(ByteBuffer buff) {
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buffer.put(buff);
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}
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public void rewind() {
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if (justCalc) {
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len = 0;
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} else {
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buffer.rewind();
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}
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}
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public void compact() {
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buffer.compact();
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}
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public boolean hasRemaining() {
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return buffer.hasRemaining();
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}
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public void writeInt32(int x) {
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try {
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if (!justCalc) {
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buffer.putInt(x);
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} else {
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len += 4;
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}
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} catch(Exception e) {
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FileLog.e("tmessages", "write int32 error");
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}
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}
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public void writeInt64(long x) {
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try {
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if (!justCalc) {
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buffer.putLong(x);
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} else {
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len += 8;
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}
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} catch(Exception e) {
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FileLog.e("tmessages", "write int64 error");
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}
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}
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public void writeBool(boolean value) {
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if (!justCalc) {
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if (value) {
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writeInt32(0x997275b5);
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} else {
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writeInt32(0xbc799737);
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}
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} else {
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len += 4;
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}
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}
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public void writeBytes(byte[] b) {
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try {
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if (!justCalc) {
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buffer.put(b);
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} else {
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len += b.length;
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}
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} catch (Exception e) {
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FileLog.e("tmessages", "write raw error");
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}
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}
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public void writeBytes(byte[] b, int offset, int count) {
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try {
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if (!justCalc) {
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buffer.put(b, offset, count);
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} else {
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len += count;
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}
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} catch (Exception e) {
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FileLog.e("tmessages", "write raw error");
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}
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}
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public void writeByte(int i) {
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writeByte((byte) i);
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}
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public void writeByte(byte b) {
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try {
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if (!justCalc) {
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buffer.put(b);
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} else {
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len += 1;
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}
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} catch (Exception e) {
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FileLog.e("tmessages", "write byte error");
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}
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}
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public void writeString(String s) {
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try {
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writeByteArray(s.getBytes("UTF-8"));
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} catch(Exception e) {
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FileLog.e("tmessages", "write string error");
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}
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}
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public void writeByteArray(byte[] b, int offset, int count) {
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try {
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if(count <= 253) {
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if (!justCalc) {
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buffer.put((byte)count);
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} else {
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len += 1;
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}
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} else {
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if (!justCalc) {
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buffer.put((byte)254);
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buffer.put((byte)count);
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buffer.put((byte)(count >> 8));
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buffer.put((byte)(count >> 16));
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} else {
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len += 4;
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}
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}
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if (!justCalc) {
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buffer.put(b, offset, count);
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} else {
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len += count;
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}
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int i = count <= 253 ? 1 : 4;
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while ((count + i) % 4 != 0) {
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if (!justCalc) {
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buffer.put((byte)0);
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} else {
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len += 1;
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}
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i++;
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}
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} catch (Exception e) {
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FileLog.e("tmessages", "write byte array error");
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}
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}
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public void writeByteArray(byte[] b) {
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try {
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if (b.length <= 253) {
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if (!justCalc) {
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buffer.put((byte) b.length);
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} else {
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len += 1;
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}
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} else {
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if (!justCalc) {
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buffer.put((byte) 254);
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buffer.put((byte) b.length);
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buffer.put((byte) (b.length >> 8));
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buffer.put((byte) (b.length >> 16));
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} else {
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len += 4;
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}
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}
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if (!justCalc) {
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buffer.put(b);
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} else {
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len += b.length;
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}
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int i = b.length <= 253 ? 1 : 4;
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while((b.length + i) % 4 != 0) {
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if (!justCalc) {
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buffer.put((byte) 0);
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} else {
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len += 1;
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}
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i++;
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}
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} catch (Exception e) {
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FileLog.e("tmessages", "write byte array error");
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}
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}
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public void writeDouble(double d) {
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try {
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writeInt64(Double.doubleToRawLongBits(d));
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} catch(Exception e) {
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FileLog.e("tmessages", "write double error");
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}
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}
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public void writeByteBuffer(NativeByteBuffer b) {
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try {
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int l = b.limit();
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if (l <= 253) {
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if (!justCalc) {
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buffer.put((byte) l);
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} else {
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len += 1;
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}
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} else {
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if (!justCalc) {
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buffer.put((byte) 254);
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buffer.put((byte) l);
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buffer.put((byte) (l >> 8));
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buffer.put((byte) (l >> 16));
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} else {
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len += 4;
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}
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}
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if (!justCalc) {
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b.rewind();
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buffer.put(b.buffer);
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} else {
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len += l;
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}
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int i = l <= 253 ? 1 : 4;
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while((l + i) % 4 != 0) {
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if (!justCalc) {
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buffer.put((byte) 0);
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} else {
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len += 1;
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}
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i++;
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}
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} catch (Exception e) {
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FileLog.e("tmessages", e);
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}
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}
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public void writeBytes(NativeByteBuffer b) {
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if (justCalc) {
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len += b.limit();
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} else {
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b.rewind();
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buffer.put(b.buffer);
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}
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}
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public int getIntFromByte(byte b) {
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return b >= 0 ? b : ((int)b) + 256;
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}
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public int length() {
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if (!justCalc) {
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return buffer.position();
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}
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return len;
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}
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public void skip(int count) {
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if (count == 0) {
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return;
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}
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if (!justCalc) {
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buffer.position(buffer.position() + count);
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} else {
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len += count;
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}
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}
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public int getPosition() {
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return buffer.position();
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}
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public int readInt32(boolean exception) {
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try {
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return buffer.getInt();
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} catch (Exception e) {
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if (exception) {
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throw new RuntimeException("read int32 error", e);
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} else {
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FileLog.e("tmessages", "read int32 error");
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}
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}
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return 0;
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}
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public boolean readBool(boolean exception) {
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int consructor = readInt32(exception);
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if (consructor == 0x997275b5) {
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return true;
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} else if (consructor == 0xbc799737) {
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return false;
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}
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if (exception) {
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throw new RuntimeException("Not bool value!");
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} else {
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FileLog.e("tmessages", "Not bool value!");
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}
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return false;
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}
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public long readInt64(boolean exception) {
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try {
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return buffer.getLong();
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} catch (Exception e) {
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if (exception) {
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throw new RuntimeException("read int64 error", e);
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} else {
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FileLog.e("tmessages", "read int64 error");
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}
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}
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return 0;
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}
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public void readBytes(byte[] b, boolean exception) {
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try {
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buffer.get(b);
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} catch (Exception e) {
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if (exception) {
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throw new RuntimeException("read raw error", e);
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} else {
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FileLog.e("tmessages", "read raw error");
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}
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}
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}
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public byte[] readData(int count, boolean exception) {
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byte[] arr = new byte[count];
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readBytes(arr, exception);
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return arr;
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}
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public String readString(boolean exception) {
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try {
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int sl = 1;
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int l = getIntFromByte(buffer.get());
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if(l >= 254) {
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l = getIntFromByte(buffer.get()) | (getIntFromByte(buffer.get()) << 8) | (getIntFromByte(buffer.get()) << 16);
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sl = 4;
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}
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byte[] b = new byte[l];
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buffer.get(b);
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int i = sl;
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while((l + i) % 4 != 0) {
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buffer.get();
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i++;
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}
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return new String(b, "UTF-8");
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} catch (Exception e) {
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if (exception) {
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throw new RuntimeException("read string error", e);
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} else {
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FileLog.e("tmessages", "read string error");
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}
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}
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return null;
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}
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public byte[] readByteArray(boolean exception) {
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try {
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int sl = 1;
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int l = getIntFromByte(buffer.get());
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if (l >= 254) {
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l = getIntFromByte(buffer.get()) | (getIntFromByte(buffer.get()) << 8) | (getIntFromByte(buffer.get()) << 16);
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sl = 4;
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}
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byte[] b = new byte[l];
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buffer.get(b);
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int i = sl;
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while((l + i) % 4 != 0) {
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buffer.get();
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i++;
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}
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return b;
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} catch (Exception e) {
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if (exception) {
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throw new RuntimeException("read byte array error", e);
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} else {
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FileLog.e("tmessages", "read byte array error");
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}
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}
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return null;
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}
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public NativeByteBuffer readByteBuffer(boolean exception) {
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try {
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int sl = 1;
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int l = getIntFromByte(buffer.get());
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if (l >= 254) {
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l = getIntFromByte(buffer.get()) | (getIntFromByte(buffer.get()) << 8) | (getIntFromByte(buffer.get()) << 16);
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sl = 4;
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}
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NativeByteBuffer b = new NativeByteBuffer(l);
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int old = buffer.limit();
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buffer.limit(buffer.position() + l);
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b.buffer.put(buffer);
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buffer.limit(old);
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b.buffer.position(0);
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int i = sl;
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while((l + i) % 4 != 0) {
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buffer.get();
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i++;
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}
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return b;
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} catch (Exception e) {
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if (exception) {
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throw new RuntimeException("read byte array error", e);
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} else {
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FileLog.e("tmessages", "read byte array error");
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}
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}
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return null;
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}
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public double readDouble(boolean exception) {
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try {
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return Double.longBitsToDouble(readInt64(exception));
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} catch(Exception e) {
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if (exception) {
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throw new RuntimeException("read double error", e);
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} else {
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FileLog.e("tmessages", "read double error");
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}
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}
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return 0;
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}
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public void reuse() {
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if (address != 0) {
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native_reuse(address);
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}
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}
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public static native int native_getFreeBuffer(int length);
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public static native ByteBuffer native_getJavaByteBuffer(int address);
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public static native int native_limit(int address);
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public static native int native_position(int address);
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public static native void native_reuse(int address);
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}
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