Example usage for io.netty.buffer ByteBuf readShort

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

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Introduction

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

Prototype

public abstract short readShort();

Source Link

Document

Gets a 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.MyFieldPktResponse.java

License:Open Source License

private void unpackTypeInfo(ByteBuf cb) {
    int remainingPayload = cb.readableBytes();
    int charsetOffset = remainingPayload + CHARSET_OFFSET_RELATIVE_TO_EOF;
    cb.skipBytes(charsetOffset);//from   w ww . j  a  v  a2s .com

    charset = cb.readByte();
    cb.skipBytes(1);
    column_length = cb.readInt();//TODO: this should be an unsigned int.  Will cause problems if length exceeds Integer.MAX_VALUE.
    column_type = MyFieldType.fromByte(cb.readByte());
    flags = cb.readShort();
    scale = cb.readByte();
    //plus two pad bytes of zero
}

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

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    cb.readByte();
    setErrorNumber(cb.readShort());
    setErrorMsg(cb.slice().toString(charset));
}

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  av  a 2 s.  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.MyPrepareOKResponse.java

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    cb.skipBytes(1);/*w ww .j  av a2  s .co m*/
    stmtId = cb.readInt();
    numColumns = cb.readUnsignedShort();
    numParams = cb.readUnsignedShort();
    cb.skipBytes(1);
    warningCount = cb.readShort();
}

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

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    slaveServerId = cb.readInt();//  ww  w.ja v a2 s .  com
    reportHost = MysqlAPIUtils.getLengthCodedString(cb);
    reportUser = MysqlAPIUtils.getLengthCodedString(cb);
    reportPassword = MysqlAPIUtils.getLengthCodedString(cb);
    reportPort = cb.readShort();
}

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

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) throws PEException {
    threadId = cb.readInt();//from w  w  w  . ja  v a 2s .  c o  m
    time = cb.readInt();
    dbLen = cb.readByte();
    errorCode = cb.readShort();
    statusBlockLen = cb.readShort();
    fileId = cb.readInt();
    startPos = cb.readInt();
    endPos = cb.readInt();
    duplicateFlag = cb.readByte();
    // really we should check if replication version >=4 or else this is wrong
    statusVars.parseStatusVariables(cb, statusBlockLen);

    dbName = MysqlAPIUtils.readBytesAsString(cb, dbLen, 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.MyFormatDescriptionLogEvent.java

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    binaryLogVersion = cb.readShort();
    serverVersion = MysqlAPIUtils.readBytesAsString(cb, ST_SERVER_VER_LEN, CharsetUtil.UTF_8);
    createTime = cb.readUnsignedInt();/*ww  w .  j av a2 s . c  o m*/
    eventTypeLength = cb.readUnsignedByte();
    int numberOfEntries = cb.readableBytes() - 1;//string is null terminated.

    switch (MyBinLogVerType.fromByte((byte) binaryLogVersion)) {

    case MySQL_5_0:
        for (int i = 1; i <= numberOfEntries; i++) {
            eventTypeValues.put(MyLogEventType.fromByte((byte) i), cb.readByte());
        }
        cb.skipBytes(1);//throw out EOF
        break;

    default:
        // TODO throw????
        logger.error("Cannot process binary log messages that are not for MySQL 5.0");
    }
}

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

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) throws PEException {
    //assumes the provided buffer is already scoped to payload boundary.

    rawPayload = cb.slice().copy();/*from www .j a v a 2 s. com*/

    // 19 bytes for the common header
    commonHdr = new MyReplEventCommonHeader();
    commonHdr.setTimestamp(cb.readUnsignedInt());
    commonHdr.setType(cb.readByte());
    commonHdr.setServerId(cb.readUnsignedInt());
    commonHdr.setTotalSize(cb.readUnsignedInt());
    commonHdr.setMasterLogPosition(cb.readUnsignedInt());
    commonHdr.setFlags(cb.readShort());

    // unmarshall message based on common header type
    if (logger.isDebugEnabled())
        logger.debug("Unmarshalling event of type: " + MyLogEventType.fromByte(commonHdr.getType()).name());

    levp = MyLogEventPacket.MySqlLogEventFactory.newInstance(MyLogEventType.fromByte(commonHdr.getType()),
            commonHdr);

    levp.unmarshallMessage(cb);
}

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 ww w  .  j  ava  2  s . co 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.MyTableMapLogEvent.java

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    tableId = cb.readInt();// www .j a va 2 s. c om
    reserved = cb.readShort();
    // TODO: need to parse out the variable part of the data
    variableData = Unpooled.buffer(cb.readableBytes());
    variableData.writeBytes(cb);
}