Example usage for io.netty.buffer ByteBuf readByte

List of usage examples for io.netty.buffer ByteBuf readByte

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf readByte.

Prototype

public abstract byte readByte();

Source Link

Document

Gets a byte at the current readerIndex and increases the readerIndex by 1 in this buffer.

Usage

From source file:com.antsdb.saltedfish.server.mysql.util.BufferUtils.java

License:Open Source License

public static int readInt(ByteBuf in) {
    byte b0 = in.readByte();
    byte b1 = in.readByte();
    return (b0 & 0xff) | ((b1 & 0xff) << 8);
}

From source file:com.antsdb.saltedfish.server.mysql.util.BufferUtils.java

License:Open Source License

public static Timestamp readTimestamp(ByteBuf in) {
    byte length = in.readByte();
    int year = readInt(in);
    byte month = readByte(in);
    byte date = readByte(in);
    int hour = readByte(in);
    int minute = readByte(in);
    int second = readByte(in);
    if (length == 11) {
        long nanos = readUB4(in) * 1000;
        Calendar cal = getLocalCalendar();
        cal.set(year, --month, date, hour, minute, second);
        Timestamp time = new Timestamp(cal.getTimeInMillis());
        time.setNanos((int) nanos);
        return time;
    } else {/*from  w  w  w .  java2 s.  c  o m*/
        Calendar cal = getLocalCalendar();
        cal.set(year, --month, date, hour, minute, second);
        return new Timestamp(cal.getTimeInMillis());
    }
}

From source file:com.antsdb.saltedfish.server.mysql.util.BufferUtils.java

License:Open Source License

public static byte readByte(ByteBuf in) {
    byte b0 = in.readByte();
    return b0;
}

From source file:com.antsdb.saltedfish.server.mysql.util.BufferUtils.java

License:Open Source License

public static long readUB4(ByteBuf in) {
    long l = in.readByte() & 0xff;
    l |= (in.readByte() & 0xff) << 8;
    l |= (in.readByte() & 0xff) << 16;
    l |= (in.readByte() & 0xff) << 24;
    return l;/*w  ww.  j  av a  2  s  .  c  o  m*/
}

From source file:com.antsdb.saltedfish.server.mysql.util.BufferUtils.java

License:Open Source License

/**
    public static byte[] readBytesWithNull(ByteBuf in) {
final byte[] b = this.data;/*from  www  .j ava2 s.  c  o m*/
if (position >= length) {
    return EMPTY_BYTES;
}
int offset = -1;
for (int i = position; i < length; i++) {
    if (b[i] == 0) {
        offset = i;
        break;
    }
}
switch (offset) {
case -1:
    byte[] ab1 = new byte[length - position];
    System.arraycopy(b, position, ab1, 0, ab1.length);
    position = length;
    return ab1;
case 0:
    position++;
    return EMPTY_BYTES;
default:
    byte[] ab2 = new byte[offset - position];
    System.arraycopy(b, position, ab2, 0, ab2.length);
    position = offset + 1;
    return ab2;
}
    }
*/
public static byte[] readBytesWithLength(ByteBuf in) {
    int length = (int) in.readByte();
    if (length == NULL_LENGTH) {
        return null;
    }
    if (length <= 0) {
        return EMPTY_BYTES;
    }

    byte[] ab = new byte[length];
    in.readBytes(ab, 0, length);
    return ab;
}

From source file:com.antsdb.saltedfish.server.mysql.util.BufferUtils.java

License:Open Source License

public static long readPackedInteger(ByteBuf in, int size) {
    byte b0 = in.readByte();
    int length = b0 & 0xff;
    long val;

    int count = 1;

    switch (length) {
    case 251:// w w  w .java 2 s  .c  o m
        val = NULL_LENGTH;
        break;
    case 252:
        val = (b0 & 0xff) | ((in.readByte() & 0xff) << 8) | ((in.readByte() & 0xff) << 16);
        count = 3;
        break;
    case 253:
        val = (b0 & 0xff) | ((in.readByte() & 0xff) << 8) | ((in.readByte() & 0xff) << 16)
                | ((in.readByte() & 0xff) << 24);
        count = 4;
        break;
    case 254:
        val = (b0 & 0xff) | ((in.readByte() & 0xff) << 8) | ((in.readByte() & 0xff) << 16)
                | ((in.readByte() & 0xff) << 24) | ((in.readByte() & 0xff) << 32)
                | ((in.readByte() & 0xff) << 40) | ((in.readByte() & 0xff) << 48)
                | ((in.readByte() & 0xff) << 56) | ((in.readByte() & 0xff) << 64);
        count = 9;
        break;
    default:
        val = length;
    }

    if (size > count)
        readBytes(in, size - count);

    return val;
}

From source file:com.antsdb.saltedfish.server.mysql.util.BufferUtils.java

License:Open Source License

public static long readLength(ByteBuf in) {
    int length = in.readByte() & 0xff;
    switch (length) {
    case 251:/*from w  w  w  .j a v a 2s.c om*/
        return NULL_LENGTH;
    case 252:
        return readInt(in);
    case 253:
        return readLongInt(in);
    case 254:
        return readLongLong(in);
    default:
        return length;
    }
}

From source file:com.basho.riak.client.core.netty.HealthCheckDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext chc, ByteBuf in, List<Object> list) throws Exception {
    // Make sure we have 4 bytes
    if (in.readableBytes() >= 4) {
        in.markReaderIndex();//from  ww w. j  a v  a  2s.  c  o m
        int length = in.readInt();

        // See if we have the full frame.
        if (in.readableBytes() < length) {
            in.resetReaderIndex();
        } else {
            byte code = in.readByte();
            byte[] protobuf = new byte[length - 1];
            in.readBytes(protobuf);

            chc.channel().pipeline().remove(this);
            if (code == RiakMessageCodes.MSG_ErrorResp) {
                logger.debug("Received MSG_ErrorResp reply to healthcheck");
                future.setException((riakErrorToException(protobuf)));
            } else {
                logger.debug("Healthcheck op successful; returned code {}", code);
                future.setMessage(new RiakMessage(code, protobuf));
            }
        }
    }
}

From source file:com.basho.riak.client.core.netty.RiakMessageCodec.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    // Make sure we have 4 bytes
    if (in.readableBytes() >= 4) {
        in.markReaderIndex();//from w w w.j a v  a 2 s  .  c  om
        int length = in.readInt();

        // See if we have the full frame.
        if (in.readableBytes() < length) {
            in.resetReaderIndex();
            return;
        } else {
            byte code = in.readByte();
            byte[] array = new byte[length - 1];
            in.readBytes(array);
            out.add(new RiakMessage(code, array));
        }

    }
}

From source file:com.basho.riak.client.core.netty.RiakSecurityDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext chc, ByteBuf in, List<Object> out) throws Exception {
    // Make sure we have 4 bytes
    if (in.readableBytes() >= 4) {
        in.markReaderIndex();//from  ww  w. j a v a 2 s .  c om
        int length = in.readInt();

        // See if we have the full frame.
        if (in.readableBytes() < length) {
            in.resetReaderIndex();
        } else {
            byte code = in.readByte();
            byte[] protobuf = new byte[length - 1];
            in.readBytes(protobuf);

            switch (state) {
            case TLS_WAIT:
                switch (code) {
                case RiakMessageCodes.MSG_StartTls:
                    logger.debug("Received MSG_RpbStartTls reply");
                    // change state
                    this.state = State.SSL_WAIT;
                    // insert SSLHandler
                    SslHandler sslHandler = new SslHandler(sslEngine);
                    // get promise
                    Future<Channel> hsFuture = sslHandler.handshakeFuture();
                    // register callback
                    hsFuture.addListener(new SslListener());
                    // Add handler
                    chc.channel().pipeline().addFirst(Constants.SSL_HANDLER, sslHandler);
                    break;
                case RiakMessageCodes.MSG_ErrorResp:
                    logger.debug("Received MSG_ErrorResp reply to startTls");
                    promise.tryFailure((riakErrorToException(protobuf)));
                    break;
                default:
                    promise.tryFailure(
                            new RiakResponseException(0, "Invalid return code during StartTLS; " + code));
                }
                break;
            case AUTH_WAIT:
                chc.channel().pipeline().remove(this);
                switch (code) {
                case RiakMessageCodes.MSG_AuthResp:
                    logger.debug("Received MSG_RpbAuthResp reply");
                    promise.trySuccess(null);
                    break;
                case RiakMessageCodes.MSG_ErrorResp:
                    logger.debug("Received MSG_ErrorResp reply to auth");
                    promise.tryFailure(riakErrorToException(protobuf));
                    break;
                default:
                    promise.tryFailure(
                            new RiakResponseException(0, "Invalid return code during Auth; " + code));
                }
                break;
            default:
                // WTF?
                logger.error("Received message while not in TLS_WAIT or AUTH_WAIT");
                promise.tryFailure(
                        new IllegalStateException("Received message while not in TLS_WAIT or AUTH_WAIT"));
            }
        }
    }
}