Example usage for io.netty.buffer ByteBuf writeByte

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.common.MysqlAPIUtils.java

License:Open Source License

public static void putLengthCodedLong(ByteBuf cb, long length) {
    if (length <= LEN_CODED_8_BITS) {
        cb.writeByte((int) length); // length is 1 byte
    } else if (length <= UNSIGNED_SHORT_MAX) {
        cb.writeByte(LEN_CODED_16_BITS); // length is 2 bytes
        cb.writeShort((int) length);
    } else if (length <= UNSIGNED_MEDIUM_MAX) {
        cb.writeByte(LEN_CODED_24_BITS); // length is 3 bytes
        cb.writeMedium((int) length);
    } else {/*  w w  w .  j  av a 2s . c o  m*/
        cb.writeByte(LEN_CODED_64_BITS); // length is 8 bytes
        cb.writeLong(length);
    }
}

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

License:Open Source License

public static void putLengthCodedDate(ByteBuf cb, Date inDate) {
    byte length = 0;
    Calendar cal = null;//w ww.  j  av a 2s.c o m
    if (inDate != null) {
        cal = DateUtils.toCalendar(inDate);
        if (cal.get(Calendar.MILLISECOND) > 0) { // indicates we need full 11 byte date
            length = 11;
        } else if (cal.get(Calendar.HOUR_OF_DAY) > 0 || cal.get(Calendar.MINUTE) > 0
                || cal.get(Calendar.SECOND) > 0) { // this is the 7 byte format
            length = 7;
        } else if (cal.get(Calendar.YEAR) > 0 || cal.get(Calendar.MONTH) > 0
                || cal.get(Calendar.DAY_OF_MONTH) > 0) {
            length = 4;
        }
    }
    cb.writeByte(length);
    if (length >= 4) {
        cb.writeShort(cal.get(Calendar.YEAR));
        cb.writeByte(cal.get(Calendar.MONTH) + 1); // MONTH is zero based
        cb.writeByte(cal.get(Calendar.DAY_OF_MONTH));
    }
    if (length >= 7) {
        cb.writeByte(cal.get(Calendar.HOUR_OF_DAY));
        cb.writeByte(cal.get(Calendar.MINUTE));
        cb.writeByte(cal.get(Calendar.SECOND));
    }
    if (length == 11) {
        // 1 millisecond = 1000 microseconds, right?
        int microSeconds = cal.get(Calendar.MILLISECOND) * 1000;
        cb.writeInt(microSeconds);
    }
}

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

License:Open Source License

public static void putLengthCodedTime(ByteBuf cb, Time inTime) {
    byte length = 0;
    Calendar cal = null;/*w ww. j  ava  2 s .c  o m*/
    if (inTime != null) {
        cal = DateUtils.toCalendar(inTime);
        if (cal.get(Calendar.MILLISECOND) > 0) { // indicates we need full 12 byte date
            length = 12;
        } else if (cal.get(Calendar.HOUR_OF_DAY) > 0 || cal.get(Calendar.MINUTE) > 0
                || cal.get(Calendar.SECOND) > 0) { // this is the 8 byte format
            length = 8;
        }
    }
    cb.writeByte(length);
    if (length >= 8) {
        cb.writeZero(5); // this is the sign and days - we are not supporting this
        cb.writeByte(cal.get(Calendar.HOUR_OF_DAY));
        cb.writeByte(cal.get(Calendar.MINUTE));
        cb.writeByte(cal.get(Calendar.SECOND));
    }
    if (length == 12) {
        // 1 millisecond = 1000 microseconds, right?
        int microSeconds = cal.get(Calendar.MILLISECOND) * 1000;
        cb.writeInt(microSeconds);
    }
}

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

License:Open Source License

public void marshallMessage(ByteBuf stmtExecuteBuf) {
    //header and type are marshalled by parent class.

    int rowsToFlush = this.size();

    MyNullBitmap nullBitmap = new MyNullBitmap(rowsToFlush * columnsPerTuple,
            MyNullBitmap.BitmapType.EXECUTE_REQUEST);

    //            stmtExecuteBuf.writeByte(MSPComStmtExecuteRequestMessage.TYPE_IDENTIFIER);
    stmtExecuteBuf.writeInt(this.stmtID);
    stmtExecuteBuf.writeZero(1); // flags
    stmtExecuteBuf.writeInt(1); // iteration count
    int nullBitmapIndex = stmtExecuteBuf.writerIndex();
    stmtExecuteBuf.writeZero(nullBitmap.length());

    // write the parameter types, as appropriate
    if (this.needsNewParams) {
        stmtExecuteBuf.writeByte(1);

        for (int i = 0; i < rowsToFlush; ++i) {
            stmtExecuteBuf.writeBytes(metadataFragment.slice());
        }/*from  ww  w  .j a  v a  2s .  c  o m*/

    } else
        stmtExecuteBuf.writeZero(1);

    // Copy the parameter values, updating the null bitmap
    // null bitmap is 1-based
    int rowsWritten = 0;
    int execStmtColIndex = 1;
    for (Iterator<MyBinaryResultRow> i = this.queuedPackets.iterator(); i.hasNext();) {
        MyBinaryResultRow rowPacketData = i.next();

        //                ByteBuf rowSet = Unpooled.buffer(rowPacketData.binRow.sizeInBytes()).order(ByteOrder.LITTLE_ENDIAN);
        //                rowPacketData.binRow.marshallFullMessage(rowSet);

        //                while (rowSet.isReadable() && rowsToWrite-- > 0) {
        //            System.out.println(siteCtx + "/" + myi + ": adding row");
        //                    int payloadLen = rowSet.readMedium();
        //                    rowSet.skipBytes(1);
        //                    byte packetHeader = rowSet.readByte();
        //                    if (packetHeader != 0)
        //                        throw new PEException("Out-of-sync reading redist rowSet");
        int bitmapSize = MyNullBitmap.computeSize(columnsPerTuple, MyNullBitmap.BitmapType.RESULT_ROW);
        int rowFields = rowPacketData.size();
        for (int colIndex = 1; colIndex <= columnsPerTuple; colIndex++, execStmtColIndex++) {
            //we are looping through target columns, which may exceed the source column count.
            if ((colIndex <= rowFields) && rowPacketData.isNull(colIndex - 1 /* zero based indexing */))
                nullBitmap.setBit(execStmtColIndex);
        }
        //                    rowSet.skipBytes(bitmapSize);

        //                    stmtExecuteBuf.writeBytes(rowSet, payloadLen-bitmapSize-1);
        rowPacketData.marshallRawValues(stmtExecuteBuf);
        ++rowsWritten;

    }

    if (rowsWritten != rowsToFlush) {
        //         System.out.println("At failure " + stmtExecuteBuf + "/" + siteCtx);
        throw new PECodingException("Asked to write " + rowsToFlush + " rows, but only " + rowsWritten
                + " were (" + rowsToFlush + " were made available to flushBuffers)");
    }

    // Go back and set the null bitmap and the payload size
    stmtExecuteBuf.setBytes(nullBitmapIndex, nullBitmap.getBitmapArray());
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeByte(EOFPKK_FIELD_COUNT);
    cb.writeShort(warningCount);
    cb.writeShort(statusFlags);
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeByte(ERRORPKT_FIELD_COUNT);
    cb.writeShort((short) errorNumber);
    cb.writeBytes("#".getBytes());
    cb.writeBytes(sqlState.substring(0, 5).getBytes());
    cb.writeBytes(errorMsg.getBytes());//from  w w  w  . j  ava  2  s.com
}

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

License:Open Source License

public void fullPack(ByteBuf cb) {
    MysqlAPIUtils.putLengthCodedString(cb, catalog, true);
    MysqlAPIUtils.putLengthCodedString(cb, database, true);
    MysqlAPIUtils.putLengthCodedString(cb, table, true);
    MysqlAPIUtils.putLengthCodedString(cb, orig_table, true);
    MysqlAPIUtils.putLengthCodedString(cb, column, true);
    MysqlAPIUtils.putLengthCodedString(cb, orig_column, true);
    // The "spec" I used said this next byte was "filler", thru investigation
    // we determined that it is the number of bytes to the end of
    // the packet (not including the default). It seems to be always 12
    cb.writeByte((byte) 12);
    cb.writeByte(charset);//w  w w.j av a2s.c om
    cb.writeZero(1);
    cb.writeInt(column_length);
    cb.writeByte(column_type.getByteValue());
    cb.writeShort(flags);
    cb.writeByte(scale);
    cb.writeZero(2);
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeByte(ERRORPKT_FIELD_COUNT);
    cb.writeShort((short) getErrorNumber());
    cb.writeBytes(getErrorMsg().getBytes(charset));
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeByte(protocolVersion);
    cb.writeBytes(getServerVersion().getBytes());
    cb.writeZero(1);/* ww w  .j  av a2  s.c  o  m*/
    cb.writeInt(getThreadID());
    cb.writeBytes(scrambleBuffer1st.getBytes()); // Salt
    cb.writeZero(1);
    cb.writeByte(getServerCapabilities((byte) 0));
    cb.writeByte(getServerCapabilities((byte) 1));
    cb.writeByte(getServerCharsetId());
    cb.writeShort(serverStatus);
    cb.writeByte(getServerCapabilities((byte) 2));
    cb.writeByte(getServerCapabilities((byte) 3));
    cb.writeByte(scrambleBufferSize.byteValue());
    cb.writeZero(10); // write 10 unused bytes
    cb.writeBytes(scrambleBuffer2nd.getBytes()); // Salt
    cb.writeBytes(getPlugInProvidedData().getBytes()); // payload
    cb.writeZero(1);
}

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

License:Open Source License

@Override
public void marshallMessage(ByteBuf cb) {
    cb.writeByte(0xFB);
    cb.writeBytes(fileName.getBytes(CharsetUtil.UTF_8));
}

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