コード例 #1
0
ファイル: Util.java プロジェクト: saruna/incubator-trafodion
 static byte[] extractByteArray(ByteBuffer buf) {
   int len = buf.getInt();
   if (len > 0) {
     byte[] a = new byte[len];
     buf.get(a, 0, len);
     return a;
   } else return new byte[0];
 }
コード例 #2
0
 private void recv(SocketChannel sc, ClientInfo ci) throws IOException {
   ci.channel.read(ci.inBuf);
   ByteBuffer tmpBuf = ci.inBuf.duplicate();
   tmpBuf.flip();
   int bytesProcessed = 0;
   boolean doneLoop = false;
   while (!doneLoop) {
     byte b;
     try {
       b = tmpBuf.get();
     } catch (BufferUnderflowException bue) {
       // Processed all data in buffer
       ci.inBuf.clear();
       doneLoop = true;
       break;
     }
     switch (b) {
       case TypeServerConstants.WELCOME:
         bytesProcessed++;
         break;
       case TypeServerConstants.GET_STRING_REQUEST:
         bytesProcessed++;
         if (ci.outputPending) {
           // Client is backed up. We can't append to
           // the byte buffer because it's in the wrong
           // state. We could allocate another buffer
           // here and change our send method to know
           // about multiple buffers, but we'll just
           // assume that the client is dead
           break;
         }
         ci.outBuf.put(TypeServerConstants.GET_STRING_RESPONSE);
         ByteBuffer strBuf = encoder.encode(testString);
         ci.outBuf.putShort((short) strBuf.remaining());
         ci.outBuf.put(strBuf);
         ci.outBuf.flip();
         send(sc, ci);
         break;
       case TypeServerConstants.GET_STRING_RESPONSE:
         int startPos = tmpBuf.position();
         try {
           int nBytes = tmpBuf.getInt();
           byte[] buf = new byte[nBytes];
           tmpBuf.get(buf);
           bytesProcessed += buf.length + 5;
           String s = new String(buf);
           // Send the string to the GUI
           break;
         } catch (BufferUnderflowException bue) {
           // Processed all available data
           ci.inBuf.position(ci.inBuf.position() + bytesProcessed);
           doneLoop = true;
         }
         break;
     }
   }
 }
コード例 #3
0
ファイル: Util.java プロジェクト: saruna/incubator-trafodion
 static byte[] extractByteString(ByteBuffer buf) {
   int len = buf.getInt();
   byte[] str = null;
   if (len > 0) {
     str = new byte[len];
     buf.get(str, 0, len);
     buf.get(); // trailing null
   } else str = new byte[0];
   return str;
 }
コード例 #4
0
ファイル: Util.java プロジェクト: saruna/incubator-trafodion
 static String extractString(ByteBuffer buf) throws java.io.UnsupportedEncodingException {
   int len = buf.getInt();
   byte[] str = null;
   if (len > 0) {
     str = new byte[len - 1];
     ;
     buf.get(str, 0, len - 1);
     buf.get(); // trailing null
   } else str = new byte[0];
   return new String(str, "UTF-8");
 }
コード例 #5
0
ファイル: DBPort.java プロジェクト: eapfel/mongo-java-driver
  private synchronized DBMessage go(DBMessage msg, ByteDecoder decoder) throws IOException {

    if (_sock == null) _open();

    {
      ByteBuffer out = msg.prepare();
      while (out.remaining() > 0) _sock.write(out);
    }

    if (_pool != null) _pool._everWorked = true;

    if (decoder == null) return null;

    ByteBuffer response = decoder._buf;

    if (response.position() != 0) throw new IllegalArgumentException();

    int read = 0;
    while (read < DBMessage.HEADER_LENGTH) read += _read(response);

    int len = response.getInt(0);
    if (len <= DBMessage.HEADER_LENGTH)
      throw new IllegalArgumentException("db sent invalid length: " + len);

    if (len > response.capacity())
      throw new IllegalArgumentException(
          "db message size is too big (" + len + ") " + "max is (" + response.capacity() + ")");

    response.limit(len);
    while (read < len) read += _read(response);

    if (read != len) throw new RuntimeException("something is wrong");

    response.flip();
    return new DBMessage(response);
  }
コード例 #6
0
 /**
  * Returns the offset from the file start where the latest block should be written (end of prev
  * block).
  */
 private int getRingCursor(ByteBuffer buffer) {
   int c = buffer.getInt(4);
   checkState(c >= FILE_PROLOGUE_BYTES, "Integer overflow");
   return c;
 }
コード例 #7
0
ファイル: DDSImage.java プロジェクト: shamanDevel/shaman.rpg
    void read(ByteBuffer buf) throws IOException {
      int magic = buf.getInt();
      if (magic != MAGIC) {
        throw new IOException(
            "Incorrect magic number 0x" + Integer.toHexString(magic) + " (expected " + MAGIC + ")");
      }

      size = buf.getInt();
      flags = buf.getInt();
      height = buf.getInt();
      width = buf.getInt();
      pitchOrLinearSize = buf.getInt();
      backBufferCountOrDepth = buf.getInt();
      mipMapCountOrAux = buf.getInt();
      alphaBitDepth = buf.getInt();
      reserved1 = buf.getInt();
      surface = buf.getInt();
      colorSpaceLowValue = buf.getInt();
      colorSpaceHighValue = buf.getInt();
      destBltColorSpaceLowValue = buf.getInt();
      destBltColorSpaceHighValue = buf.getInt();
      srcOverlayColorSpaceLowValue = buf.getInt();
      srcOverlayColorSpaceHighValue = buf.getInt();
      srcBltColorSpaceLowValue = buf.getInt();
      srcBltColorSpaceHighValue = buf.getInt();
      pfSize = buf.getInt();
      pfFlags = buf.getInt();
      pfFourCC = buf.getInt();
      pfRGBBitCount = buf.getInt();
      pfRBitMask = buf.getInt();
      pfGBitMask = buf.getInt();
      pfBBitMask = buf.getInt();
      pfABitMask = buf.getInt();
      ddsCaps1 = buf.getInt();
      ddsCaps2 = buf.getInt();
      ddsCapsReserved1 = buf.getInt();
      ddsCapsReserved2 = buf.getInt();
      textureStage = buf.getInt();
    }