Example usage for io.netty.buffer ByteBuf writeByte

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

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Introduction

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

Prototype

public abstract ByteBuf writeByte(int value);

Source Link

Document

Sets the specified byte at the current writerIndex and increases the writerIndex by 1 in this buffer.

Usage

From source file:com.tesora.dve.db.mysql.portal.protocol.Packet.java

License:Open Source License

public static int encodeFullPayload(int sequenceStart, ByteBuf payloadHolder, ByteBuf destination) {
    ByteBuf leBuf = destination.order(ByteOrder.LITTLE_ENDIAN);

    //TODO: this loop is identical to the one below, except it doesn't consume the source or update the destination.  Consolidate?
    //calculate the size of the final encoding, so we resize the destination at most once.
    int payloadRemaining = payloadHolder.readableBytes();
    int outputSize = 0;
    do {//w ww. j  a  v  a 2  s .co m
        outputSize += 4; //header
        int chunkLength = Math.min(payloadRemaining, MAX_PAYLOAD);
        outputSize += chunkLength;
        payloadRemaining -= chunkLength;
        if (chunkLength == MAX_PAYLOAD)
            outputSize += 4; //need one more packet if last fragment is exactly 0xFFFF long.
    } while (payloadRemaining > 0);

    leBuf.ensureWritable(outputSize);

    int sequenceIter = sequenceStart;
    boolean lastChunkWasMaximumLength;
    do {
        int initialSize = payloadHolder.readableBytes();
        int maxSlice = MAX_PAYLOAD;
        int sendingPayloadSize = Math.min(maxSlice, initialSize);
        lastChunkWasMaximumLength = (sendingPayloadSize == maxSlice); //need to send a zero length payload if last fragment was exactly 0xFFFF long.

        ByteBuf nextChunk = payloadHolder.readSlice(sendingPayloadSize);
        leBuf.writeMedium(sendingPayloadSize);
        leBuf.writeByte(sequenceIter);
        leBuf.writeBytes(nextChunk);

        sequenceIter++;
    } while (payloadHolder.readableBytes() > 0 || lastChunkWasMaximumLength);
    return sequenceIter; //returns the next usable/expected sequence number.
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeInt(threadId);/*from  w  ww. jav a 2 s .  co  m*/
    cb.writeInt(time);
    cb.writeByte(dbLen);
    cb.writeShort(errorCode);
    cb.writeShort(statusBlockLen);
    cb.writeInt(fileId);
    cb.writeInt(startPos);
    cb.writeInt(endPos);
    cb.writeByte(duplicateFlag);

    statusVars.writeStatusVariables(cb);

    cb.writeBytes(dbName.getBytes(CharsetUtil.UTF_8));
    cb.writeByte(0); //for trailing 0
    cb.writeBytes(query);
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeShort(binaryLogVersion);//  ww  w  .  ja v  a2  s  . c o m
    cb.writeBytes(serverVersion.getBytes(CharsetUtil.UTF_8));
    cb.writeInt((int) createTime);
    cb.writeByte(0xFF & eventTypeLength);
    switch (MyBinLogVerType.fromByte((byte) binaryLogVersion)) {

    case MySQL_5_0:
        for (int i = 1; i <= eventTypeValues.size(); i++) {
            cb.writeByte(eventTypeValues.get(MyLogEventType.fromByte((byte) i)));
        }
        cb.writeZero(1);
        break;

    default:
        break;
    }
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeByte(variableType);
    cb.writeLong(variableValue.longValue());
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeInt(threadId);/*from w  ww  .  j a v a  2 s  . c  o  m*/
    cb.writeInt(time);
    cb.writeInt(ignoreLines);
    cb.writeByte(tableLen);
    cb.writeByte(dbLen);
    cb.writeInt(columns);
    cb.writeBytes(variableData);
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeInt((int) getSlaveProxyId());
    cb.writeInt((int) getExecTime());
    cb.writeByte(getDbNameLen());
    cb.writeShort(getErrorCode());//  w  w w  .  j a  va 2  s  .c om
    cb.writeShort(getStatusVarsLen());

    statusVars.writeStatusVariables(cb);

    cb.writeBytes(getDbName().getBytes(CharsetUtil.UTF_8));
    cb.writeByte(0); //for trailing 0
    cb.writeBytes(getQuery());
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeInt((int) commonHdr.getTimestamp());
    cb.writeByte(commonHdr.getType());
    cb.writeInt((int) commonHdr.getServerId());
    cb.writeInt((int) commonHdr.getTotalSize());
    cb.writeInt((int) commonHdr.getMasterLogPosition());
    cb.writeShort(commonHdr.getFlags());

    if (levp != null) {
        levp.marshallMessage(cb);//from  ww  w . j av a  2 s .  com
    }
}

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

License:Open Source License

public void writeStatusVariables(ByteBuf cb) {
    for (BaseQueryEvent qe : getSuppliedEventCodes()) {
        MyQueryEventCode code = qe.getCode();
        switch (code) {
        case Q_FLAGS2_CODE:
            cb.writeByte(code.getByteValue());
            cb.writeInt(((QueryFlags2Event) qe).getFlags());
            break;

        case Q_SQL_MODE_CODE:
            cb.writeByte(code.getByteValue());
            cb.writeLong(((QuerySQLModeEvent) qe).getSqlMode());
            break;

        case Q_CATALOG_CODE:
            cb.writeByte(code.getByteValue());
            cb.writeByte(((QueryCatalogEvent) qe).getCatalog().length());
            cb.writeBytes(((QueryCatalogEvent) qe).getCatalog().getBytes());
            cb.writeByte(0); //for trailing 0
            break;

        case Q_AUTO_INCREMENT:
            cb.writeByte(code.getByteValue());
            cb.writeShort(((QueryAutoIncrementEvent) qe).getAutoIncrementIncrement());
            cb.writeShort(((QueryAutoIncrementEvent) qe).getAutoIncrementOffset());
            break;

        case Q_CHARSET_CODE:
            cb.writeByte(code.getByteValue());
            cb.writeShort(((QueryCharSetCodeEvent) qe).getCharSetClient());
            cb.writeShort(((QueryCharSetCodeEvent) qe).getCollationConnection());
            cb.writeShort(((QueryCharSetCodeEvent) qe).getCollationServer());
            break;

        case Q_TIME_ZONE_CODE:
            cb.writeByte(code.getByteValue());
            cb.writeByte(((QueryTimeZoneCodeEvent) qe).getTimeZone().length());
            cb.writeBytes(((QueryTimeZoneCodeEvent) qe).getTimeZone().getBytes());
            break;

        case Q_CATALOG_NZ_CODE:
            cb.writeByte(code.getByteValue());
            cb.writeByte(((QueryCatalogNZEvent) qe).getCatalog().length());
            cb.writeBytes(((QueryCatalogNZEvent) qe).getCatalog().getBytes());
            break;

        case Q_LC_TIME_NAMES_CODE:
            cb.writeByte(code.getByteValue());
            cb.writeShort(((QueryTimeNamesEvent) qe).getMonthDayNames());
            break;

        case Q_CHARSET_DATABASE_CODE:
            cb.writeByte(code.getByteValue());
            cb.writeShort(((QueryCollationDatabaseEvent) qe).getCollationDatabase());
            break;

        case Q_TABLE_MAP_FOR_UPDATE_CODE:
            cb.writeByte(code.getByteValue());
            cb.writeLong(((QueryTableMapEvent) qe).getTableMapForUpdate());
            break;

        case Q_MASTER_DATA_WRITTEN_CODE:
            cb.writeByte(code.getByteValue());
            cb.writeInt(((QueryMasterDataWrittenEvent) qe).getOriginalLength());
            break;

        case Q_INVOKER:
            cb.writeByte(code.getByteValue());
            cb.writeByte(((QueryInvokerEvent) qe).getUser().length());
            cb.writeBytes(((QueryInvokerEvent) qe).getUser().getBytes());
            cb.writeByte(((QueryInvokerEvent) qe).getHost().length());
            cb.writeBytes(((QueryInvokerEvent) qe).getHost().getBytes());
            break;

        case Q_UPDATED_DB_NAMES:
            cb.writeByte(code.getByteValue());
            List<String> dbs = ((QueryUpdatedDBNamesEvent) qe).getDbNames();
            cb.writeByte(dbs == null ? 0 : dbs.size());
            if (dbs.size() > 0) {
                for (String db : dbs) {
                    cb.writeByte(db.length());
                    cb.writeBytes(db.getBytes(CharsetUtil.UTF_8));
                    cb.writeByte(0); //for trailing 0
                }/*from w  w w .j  a v a  2 s  . com*/
            }
            break;

        case Q_MICROSECONDS:
            cb.writeByte(code.getByteValue());
            cb.writeMedium(((QueryMicrosecondsEvent) qe).getMicroseconds());
            break;

        case Q_HRNOW:
            cb.writeMedium(((QueryHRNowEvent) qe).threeBytes);
            break;

        default:
            break;
        }
    }
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeInt(variableNameLen);//from w ww  .  j  av a  2  s . c o m
    cb.writeBytes(variableName.getBytes(CharsetUtil.UTF_8));
    cb.writeByte(nullByte);
    if (nullByte != 1) {
        cb.writeByte(valueType.getByteValue());
        cb.writeInt(valueCharSet);
        cb.writeInt(valueLen);
        cb.writeBytes(valueBytes);
    }
}

From source file:com.turn.ttorrent.client.io.PeerHandshakeMessage.java

License:Apache License

public void toWire(@Nonnull ByteBuf out) {
    out.writeByte(protocolName.length);
    out.writeBytes(protocolName);/*  www  .  j  a  v  a 2s .  c om*/
    out.writeBytes(reserved);
    out.writeBytes(infoHash);
    out.writeBytes(peerId);
}