Example usage for io.netty.buffer ByteBuf readUnsignedShort

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

  1. HOME
  2. Java
  3. io.netty
  4. io.netty.buffer.*
  5. ByteBuf
  6. readUnsignedShort

Introduction

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

Prototype

public abstract int readUnsignedShort();

Source Link

Document

Gets an unsigned 16-bit short integer at the current readerIndex and increases the readerIndex by 2 in this buffer.

Usage

From source file:com.tesora.dve.db.mysql.libmy.MyHandshakeV10.java

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    protocolVersion = cb.readByte();//from w ww  .j  a va2s. c  o  m
    serverVersion = cb.readSlice(cb.bytesBefore((byte) 0)).toString(CharsetUtil.UTF_8);
    cb.skipBytes(1); // skip the NULL terminator
    threadID = cb.readInt();
    scrambleBuffer1st = MysqlAPIUtils.readBytesAsString(cb, 8, CharsetUtil.ISO_8859_1);
    cb.skipBytes(1);
    long sc1 = cb.readUnsignedShort();
    serverCharset = cb.readByte();
    serverStatus = cb.readShort();
    long sc2 = Long.rotateLeft(cb.readUnsignedShort(), 16);
    setServerCapabilities(sc1 + sc2);
    scrambleBufferSize = new Integer(cb.readByte());
    cb.skipBytes(10); //unused bytes
    scrambleBuffer2nd = cb.readSlice(cb.bytesBefore((byte) 0)).toString(CharsetUtil.ISO_8859_1);
    cb.skipBytes(1);
    if ((serverCapabilitiesasLong
            & ClientCapabilities.CLIENT_PLUGIN_AUTH) == ClientCapabilities.CLIENT_PLUGIN_AUTH) {
        plugInProvidedData = cb.readSlice(cb.bytesBefore((byte) 0)).toString(CharsetUtil.UTF_8);
    }
}

From source file:com.tesora.dve.db.mysql.libmy.MyOKResponse.java

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    cb.readByte(); // field count - always 0
    affectedRows = MysqlAPIUtils.getLengthCodedLong(cb);
    insertId = MysqlAPIUtils.getLengthCodedLong(cb);
    serverStatus = cb.readUnsignedShort();
    warningCount = cb.readUnsignedShort();
    if (cb.isReadable())
        message = MysqlAPIUtils.readBytesAsString(cb, CharsetUtil.UTF_8);
}

From source file:com.tesora.dve.db.mysql.libmy.MyPrepareOKResponse.java

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    cb.skipBytes(1);/*  w w w. j  a v  a2 s  .c  om*/
    stmtId = cb.readInt();
    numColumns = cb.readUnsignedShort();
    numParams = cb.readUnsignedShort();
    cb.skipBytes(1);
    warningCount = cb.readShort();
}

From source file:com.tesora.dve.mysqlapi.repl.messages.MyQueryLogEvent.java

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) throws PEException {

    // read event header
    slaveProxyId = cb.readUnsignedInt();
    execTime = cb.readUnsignedInt();/*from w  w w .  java2 s . co  m*/
    dbNameLen = cb.readByte();
    errorCode = cb.readUnsignedShort();
    statusVarsLen = cb.readUnsignedShort();

    statusVars.parseStatusVariables(cb, statusVarsLen);

    dbName = MysqlAPIUtils.readBytesAsString(cb, dbNameLen, CharsetUtil.UTF_8);
    cb.skipBytes(1); //for trailing 0
    query = Unpooled.buffer(cb.readableBytes());
    query.writeBytes(cb);
    origQuery = query.toString(CharsetUtil.UTF_8);
}

From source file:com.tesora.dve.mysqlapi.repl.messages.MyStatusVariables.java

License:Open Source License

public void parseStatusVariables(ByteBuf cb, int svLen) throws PEException {
    if (svLen > 0) {
        ByteBuf statsVarsBuf = cb.readBytes(svLen);
        while (statsVarsBuf.isReadable()) {
            byte code = statsVarsBuf.readByte();
            MyQueryEventCode mqec = MyQueryEventCode.fromByte(code);
            if (mqec == null) {
                throw new PEException("Replication could not decode query event code: '" + code + "' (0x"
                        + Integer.toHexString(code) + ")");
            }//from  www .ja v a  2 s.  c  o  m

            switch (mqec) {
            case Q_FLAGS2_CODE:
                int flags = statsVarsBuf.readInt();
                suppliedEventCodes.add(new QueryFlags2Event(flags));
                break;

            case Q_SQL_MODE_CODE:
                long sqlMode = statsVarsBuf.readLong();
                suppliedEventCodes.add(new QuerySQLModeEvent(sqlMode));
                break;

            case Q_CATALOG_CODE: {
                byte len = statsVarsBuf.readByte();
                String catalog = MysqlAPIUtils.readBytesAsString(statsVarsBuf, len, CharsetUtil.UTF_8);
                statsVarsBuf.readByte(); // null terminated byte

                suppliedEventCodes.add(new QueryCatalogEvent(catalog));
                break;
            }
            case Q_AUTO_INCREMENT:
                int autoIncrementIncrement = statsVarsBuf.readUnsignedShort();
                int autoIncrementOffset = statsVarsBuf.readUnsignedShort();

                suppliedEventCodes
                        .add(new QueryAutoIncrementEvent(autoIncrementIncrement, autoIncrementOffset));
                break;

            case Q_CHARSET_CODE:
                int charSetClient = statsVarsBuf.readUnsignedShort();
                int collationConnection = statsVarsBuf.readUnsignedShort();
                int collationServer = statsVarsBuf.readUnsignedShort();

                suppliedEventCodes
                        .add(new QueryCharSetCodeEvent(charSetClient, collationConnection, collationServer));
                break;

            case Q_TIME_ZONE_CODE: {
                byte len = statsVarsBuf.readByte();
                String timeZone = MysqlAPIUtils.readBytesAsString(statsVarsBuf, len, CharsetUtil.UTF_8);

                suppliedEventCodes.add(new QueryTimeZoneCodeEvent(timeZone));
                break;
            }
            case Q_CATALOG_NZ_CODE: {
                byte catalogLen = statsVarsBuf.readByte();
                String catalog = MysqlAPIUtils.readBytesAsString(statsVarsBuf, catalogLen, CharsetUtil.UTF_8);

                suppliedEventCodes.add(new QueryCatalogNZEvent(catalog));
                break;
            }
            case Q_LC_TIME_NAMES_CODE:
                short monthDayNames = statsVarsBuf.readShort();

                suppliedEventCodes.add(new QueryTimeNamesEvent(monthDayNames));
                break;

            case Q_CHARSET_DATABASE_CODE:
                short collationDatabase = statsVarsBuf.readShort();

                suppliedEventCodes.add(new QueryCollationDatabaseEvent(collationDatabase));
                break;

            case Q_TABLE_MAP_FOR_UPDATE_CODE:
                long tableMapForUpdate = statsVarsBuf.readLong();

                suppliedEventCodes.add(new QueryTableMapEvent(tableMapForUpdate));
                break;

            case Q_MASTER_DATA_WRITTEN_CODE:
                int originalLength = statsVarsBuf.readInt();

                suppliedEventCodes.add(new QueryMasterDataWrittenEvent(originalLength));
                break;

            case Q_INVOKER:
                int userLen = statsVarsBuf.readByte();
                String user = MysqlAPIUtils.readBytesAsString(statsVarsBuf, userLen, CharsetUtil.UTF_8);
                int hostLen = statsVarsBuf.readByte();
                String host = MysqlAPIUtils.readBytesAsString(statsVarsBuf, hostLen, CharsetUtil.UTF_8);

                suppliedEventCodes.add(new QueryInvokerEvent(user, host));
                break;

            case Q_UPDATED_DB_NAMES:
                List<String> dbNames = new ArrayList<String>();
                int numDbs = statsVarsBuf.readByte();
                if (numDbs > 0) {
                    for (int i = 0; i < numDbs; i++) {
                        dbNames.add(statsVarsBuf.readSlice(statsVarsBuf.bytesBefore((byte) 0))
                                .toString(CharsetUtil.UTF_8));
                        statsVarsBuf.readByte(); //read null byte
                    }
                }
                suppliedEventCodes.add(new QueryUpdatedDBNamesEvent(dbNames));
                break;

            case Q_MICROSECONDS:
                int microseconds = statsVarsBuf.readMedium();

                suppliedEventCodes.add(new QueryMicrosecondsEvent(microseconds));
                break;

            case Q_HRNOW:
                //TODO: this was apparently added for MariaDB, but I can't find a lot of info on it. skip for now.
                suppliedEventCodes.add(new QueryMicrosecondsEvent(statsVarsBuf.readUnsignedMedium()));
                break;

            default:
                throw new PEException("Replication encountered an unknown query event code: '" + code + "' (0x"
                        + Integer.toHexString(code) + ")");
            }
        }
    }
}

From source file:com.tesora.dve.mysqlapi.repl.messages.MyUserVarLogEvent.java

License:Open Source License

long readValue(ByteBuf decimalPortionBuf, int valueLen) throws PEException {
    if (valueLen < 1 || valueLen > 4)
        throw new PEException("Cannot decode decimal buffer.  Invalid read length of " + valueLen);

    long value = 0;
    if (valueLen == 4) {
        value = decimalPortionBuf.readUnsignedInt();
    } else if (valueLen == 3) {
        value = decimalPortionBuf.readUnsignedMedium();
    } else if (valueLen == 2) {
        value = decimalPortionBuf.readUnsignedShort();
    } else if (valueLen == 1) {
        value = decimalPortionBuf.readUnsignedByte();
    }//ww w  .ja va  2  s . co  m
    return value;
}

From source file:com.trinity.engine.protocol.detail.ConnectionReplayingDecoder.java

License:Apache License

/**
 * {@inheritDoc}/*from  www.j  av  a 2 s . c o m*/
 */
@Override
protected void decode(ChannelHandlerContext context, ByteBuf input, List<Object> output) throws Exception {
    switch (state()) {
    case READ_ID:
        mMessageId = input.readUnsignedByte();
        checkpoint(DecoderState.READ_LENGTH);
        break;
    case READ_LENGTH:
        mMessageLength = input.readUnsignedShort();
        checkpoint(DecoderState.READ_CONTENT);
        break;
    case READ_CONTENT:
        output.add(mLookupService.decode(mMessageId, input.readBytes(mMessageLength)));
        checkpoint(DecoderState.READ_ID);
    }
}

From source file:com.twitter.http2.HttpFrameEncoderTest.java

License:Apache License

private static void assertSettingsFrame(ByteBuf frame, boolean ack, int id, int value) {
    byte type = 0x04;
    byte flags = ack ? (byte) 0x01 : 0x00;
    int length = assertFrameHeader(frame, type, flags, 0);
    if (ack) {/*from w w  w .j a  v  a  2s .co  m*/
        assertEquals(0, length);
    } else {
        assertEquals(6, length);
        assertEquals(id, frame.readUnsignedShort());
        assertEquals(value, frame.readInt());
    }
    assertFalse(frame.isReadable());
}

From source file:com.uber.tchannel.codecs.CodecUtils.java

License:Open Source License

public static String decodeString(ByteBuf buffer) {
    int valueLength = buffer.readUnsignedShort();
    byte[] valueBytes = new byte[valueLength];
    buffer.readBytes(valueBytes);//  w  w  w  . j  a  v a2s. com
    return new String(valueBytes);
}

From source file:com.uber.tchannel.codecs.CodecUtils.java

License:Open Source License

public static Map<String, String> decodeHeaders(ByteBuf buffer) {

    int numHeaders = buffer.readUnsignedShort();
    Map<String, String> headers = new HashMap<String, String>(numHeaders);

    for (int i = 0; i < numHeaders; i++) {
        String key = CodecUtils.decodeString(buffer);
        String value = CodecUtils.decodeString(buffer);
        headers.put(key, value);/* ww  w  .j  a  va2 s. c om*/

    }

    return headers;

}