Example usage for io.netty.buffer ByteBuf readLong

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

Introduction

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

Prototype

public abstract long readLong();

Source Link

Document

Gets a 64-bit integer at the current readerIndex and increases the readerIndex by 8 in this buffer.

Usage

From source file:com.spotify.netty4.handler.codec.zmtp.ZMTP10WireFormat.java

License:Apache License

/**
 * Read a ZMTP/1.0 frame length.//from   w  w w .  j  a  va 2s .  c  om
 */
static long readLength(final ByteBuf in) {
    if (in.readableBytes() < 1) {
        return -1;
    }
    long size = in.readByte() & 0xFF;
    if (size == 0xFF) {
        if (in.readableBytes() < 8) {
            return -1;
        }
        size = in.readLong();
    }

    return size;
}

From source file:com.srotya.sidewinder.core.ingress.binary.SeriesDataPointDecoder.java

License:Apache License

public static DataPoint decodeBufToDPoint(ByteBuf buf) {
    int dbNameLength = buf.readInt();
    if (dbNameLength < 0) {
        return null;
    }/*  w  w  w .j  a v  a  2 s  . co m*/
    byte[] dbBytes = new byte[dbNameLength];
    buf.readBytes(dbBytes);
    String dbName = new String(dbBytes);
    int measurementNameLength = buf.readInt();
    if (measurementNameLength < 0) {
        return null;
    }
    byte[] measurementNameBytes = new byte[measurementNameLength];
    buf.readBytes(measurementNameBytes);
    String measurementName = new String(measurementNameBytes);

    int valueNameLength = buf.readInt();
    if (valueNameLength < 0) {
        return null;
    }
    byte[] valueNameBytes = new byte[valueNameLength];
    buf.readBytes(valueNameBytes);
    String valueFieldName = new String(valueNameBytes);
    long timestamp = buf.readLong();
    byte flag = buf.readByte();
    DataPoint dp;
    if (flag == '0') {
        double value = buf.readDouble();
        dp = new DataPoint(dbName, measurementName, valueFieldName, null, timestamp, value);
        dp.setFp(true);
    } else {
        long value = buf.readLong();
        dp = new DataPoint(dbName, measurementName, valueFieldName, null, timestamp, value);
    }
    return dp;
}

From source file:com.teambr.bookshelf.network.ClientOverridePacket.java

License:Creative Commons License

/*******************************************************************************************************************
 * IMessage                                                                                                        *
 *******************************************************************************************************************/

@Override/* w  ww.j  a  v  a 2 s  .  c o  m*/
public void fromBytes(ByteBuf buf) {
    blockPosition = BlockPos.fromLong(buf.readLong());
    try {
        tag = new PacketBuffer(buf).readCompoundTag();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.teambr.bookshelf.network.SyncableFieldPacket.java

License:Creative Commons License

/*******************************************************************************************************************
 * IMessage                                                                                                        *
 *******************************************************************************************************************/

@Override//w w w .ja  v a  2  s  .co m
public void fromBytes(ByteBuf buf) {
    returnValue = buf.readBoolean();
    id = buf.readInt();
    value = buf.readDouble();
    blockPosition = BlockPos.fromLong(buf.readLong());
}

From source file:com.teambrmodding.neotech.network.OpenContainerGuiPacket.java

License:Creative Commons License

/*******************************************************************************************************************
 * IMessage                                                                                                        *
 *******************************************************************************************************************/

@Override// w  w  w.  j  a v  a 2 s  . co  m
public void fromBytes(ByteBuf buf) {
    blockPos = BlockPos.fromLong(buf.readLong());
    id = buf.readInt();
}

From source file:com.tesora.dve.db.mysql.common.MysqlAPIUtils.java

License:Open Source License

public static long getLengthCodedLong(ByteBuf cb) {
    short byte1 = cb.readUnsignedByte();
    if (byte1 == LEN_CODED_NULL)
        return 0;
    if (byte1 <= LEN_CODED_8_BITS) {
        return byte1;
    } else if (byte1 == LEN_CODED_16_BITS) {
        return cb.readUnsignedShort();
    } else if (byte1 == LEN_CODED_24_BITS)
        return cb.readUnsignedMedium();

    return cb.readLong();
}

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

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    variableType = cb.readByte();
    variableValue = UnsignedLong.valueOf(cb.readLong());
}

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

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    seed1 = UnsignedLong.valueOf(cb.readLong());
    seed2 = UnsignedLong.valueOf(cb.readLong());
}

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

License:Open Source License

@Override
public void unmarshallMessage(ByteBuf cb) {
    position = cb.readLong();
    newLogFileName = cb.toString(CharsetUtil.UTF_8);
    cb.skipBytes(cb.readableBytes());//consume the rest of the buffer.
}

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) + ")");
            }//  w w w.  j a  v a2s .c  om

            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) + ")");
            }
        }
    }
}