Package com.google.code.or.io

Examples of com.google.code.or.io.XInputStream

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   *
   */
  @Override
  protected void doParse() throws Exception {
    //
    final XInputStream is = this.transport.getInputStream();
    final Context context = new Context(this.binlogFileName);
    while(isRunning()) {
      try {
        // Parse packet
        final int packetLength = is.readInt(3);
        final int packetSequence = is.readInt(1);
        is.setReadLimit(packetLength); // Ensure the packet boundary
       
        //
        final int packetMarker = is.readInt(1);
        if(packetMarker != OKPacket.PACKET_MARKER) { // 0x00
          if((byte)packetMarker == ErrorPacket.PACKET_MARKER) {
            final ErrorPacket packet = ErrorPacket.valueOf(packetLength, packetSequence, packetMarker, is);
            throw new NestableRuntimeException(packet.toString());
          } else if((byte)packetMarker == EOFPacket.PACKET_MARKER) {
            final EOFPacket packet = EOFPacket.valueOf(packetLength, packetSequence, packetMarker, is);
            throw new NestableRuntimeException(packet.toString());
          } else {
            throw new NestableRuntimeException("assertion failed, invalid packet marker: " + packetMarker);
          }
        }
       
        // Parse the event header
        final BinlogEventV4HeaderImpl header = new BinlogEventV4HeaderImpl();
        header.setTimestamp(is.readLong(4) * 1000L);
        header.setEventType(is.readInt(1));
        header.setServerId(is.readLong(4));
        header.setEventLength(is.readInt(4));
        header.setNextPosition(is.readLong(4));
        header.setFlags(is.readInt(2));
        header.setTimestampOfReceipt(System.currentTimeMillis());
        if(isVerbose() && LOGGER.isInfoEnabled()) {
          LOGGER.info("received an event, sequence: {}, header: {}", packetSequence, header);
        }
       
        // Parse the event body
        if(this.eventFilter != null && !this.eventFilter.accepts(header, context)) {
          this.defaultParser.parse(is, header, context);
        } else {
          BinlogEventParser parser = getEventParser(header.getEventType());
          if(parser == null) parser = this.defaultParser;
          parser.parse(is, header, context);
        }
       
        // Ensure the packet boundary
        if(is.available() != 0) {
          throw new NestableRuntimeException("assertion failed, available: " + is.available() + ", event type: " + header.getEventType());
        }
      } finally {
        is.setReadLimit(0);
      }
    }
  }
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  /**
   *
   */
  protected XInputStream open(String path) throws Exception {
    //
    final XInputStream is = new XInputStreamImpl(new RamdomAccessFileInputStream(new File(path)));
    try {
      // Check binlog magic
      final byte[] magic = is.readBytes(MySQLConstants.BINLOG_MAGIC.length);
      if(!CodecUtils.equals(magic, MySQLConstants.BINLOG_MAGIC)) {
        throw new NestableRuntimeException("invalid binlog magic, file: " + path);
      }
     
      //
      if(this.startPosition > MySQLConstants.BINLOG_MAGIC.length) {
        is.skip(this.startPosition - MySQLConstants.BINLOG_MAGIC.length);
      }
      return is;
    } catch(Exception e) {
      IOUtils.closeQuietly(is);
      throw e;
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  /**
   *
   */
  protected XInputStream open(String path) throws Exception {
    //
    final XInputStream is = new XInputStreamImpl(new RamdomAccessFileInputStream(new File(path)));
    try {
      // Check binlog magic
      final byte[] magic = is.readBytes(MySQLConstants.BINLOG_MAGIC.length);
      if(!CodecUtils.equals(magic, MySQLConstants.BINLOG_MAGIC)) {
        throw new RuntimeException("invalid binlog magic, file: " + path);
      }
     
      //
      if(this.startPosition > MySQLConstants.BINLOG_MAGIC.length) {
        is.skip(this.startPosition - MySQLConstants.BINLOG_MAGIC.length);
      }
      return is;
    } catch(Exception e) {
      IOUtils.closeQuietly(is);
      throw e;
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   *
   */
  @Override
  protected void doParse() throws Exception {
    //
    final XInputStream is = this.transport.getInputStream();
    final Context context = new Context(this.binlogFileName);
    while(isRunning()) {
      try {
        // Parse packet
        final int packetLength = is.readInt(3);
        final int packetSequence = is.readInt(1);
        is.setReadLimit(packetLength); // Ensure the packet boundary
       
        //
        final int packetMarker = is.readInt(1);
        if(packetMarker != OKPacket.PACKET_MARKER) { // 0x00
          if((byte)packetMarker == ErrorPacket.PACKET_MARKER) {
            final ErrorPacket packet = ErrorPacket.valueOf(packetLength, packetSequence, packetMarker, is);
            throw new RuntimeException(packet.toString());
          } else if((byte)packetMarker == EOFPacket.PACKET_MARKER) {
            final EOFPacket packet = EOFPacket.valueOf(packetLength, packetSequence, packetMarker, is);
            throw new RuntimeException(packet.toString());
          } else {
            throw new RuntimeException("assertion failed, invalid packet marker: " + packetMarker);
          }
        }
       
        // Parse the event header
        final BinlogEventV4HeaderImpl header = new BinlogEventV4HeaderImpl();
        header.setTimestamp(is.readLong(4) * 1000L);
        header.setEventType(is.readInt(1));
        header.setServerId(is.readLong(4));
        header.setEventLength(is.readInt(4));
        header.setNextPosition(is.readLong(4));
        header.setFlags(is.readInt(2));
        header.setTimestampOfReceipt(System.currentTimeMillis());
        if(isVerbose() && LOGGER.isInfoEnabled()) {
          LOGGER.info("received an event, sequence: {}, header: {}", packetSequence, header);
        }
       
        // Parse the event body
        if(this.eventFilter != null && !this.eventFilter.accepts(header, context)) {
          this.defaultParser.parse(is, header, context);
        } else {
          BinlogEventParser parser = getEventParser(header.getEventType());
          if(parser == null) parser = this.defaultParser;
          parser.parse(is, header, context);
        }
       
        // Ensure the packet boundary
        if(is.available() != 0) {
          throw new RuntimeException("assertion failed, available: " + is.available() + ", event type: " + header.getEventType());
        }
      } finally {
        is.setReadLimit(0);
      }
    }
  }
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Related Classes of com.google.code.or.io.XInputStream

  • com.google.code.or.binlog.impl.FileBasedBinlogParser
  • com.google.code.or.binlog.impl.ReplicationBasedBinlogParser
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