Examples with RowDataPacket io.mycat.net.mysql.RowDataPacket used on opensource projects

Example 26 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class ShowHeartbeat method response.

public static void response(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = eof.write(buffer, c, true);
    // write rows
    byte packetId = eof.packetId;
    for (RowDataPacket row : getRows()) {
        row.packetId = ++packetId;
        buffer = row.write(buffer, c, true);
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 27 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class ShowProcessor method getRow.

private static RowDataPacket getRow(NIOProcessor processor, String charset) {
    BufferPool bufferPool = processor.getBufferPool();
    long bufferSize = bufferPool.size();
    long bufferCapacity = bufferPool.capacity();
    long bufferSharedOpts = bufferPool.getSharedOptsCount();
    long bufferUsagePercent = (bufferCapacity - bufferSize) * 100 / bufferCapacity;
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(processor.getName().getBytes());
    row.add(LongUtil.toBytes(processor.getNetInBytes()));
    row.add(LongUtil.toBytes(processor.getNetOutBytes()));
    row.add(LongUtil.toBytes(0));
    row.add(IntegerUtil.toBytes(0));
    row.add(IntegerUtil.toBytes(processor.getWriteQueueSize()));
    row.add(LongUtil.toBytes(bufferSize));
    row.add(LongUtil.toBytes(bufferCapacity));
    row.add(LongUtil.toBytes(bufferUsagePercent));
    row.add(LongUtil.toBytes(bufferSharedOpts));
    row.add(IntegerUtil.toBytes(processor.getFrontends().size()));
    row.add(IntegerUtil.toBytes(processor.getBackends().size()));
    return row;
}

Example 28 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class ShowProcessor method execute.

public static void execute(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = eof.write(buffer, c, true);
    // write rows
    byte packetId = eof.packetId;
    for (NIOProcessor p : MycatServer.getInstance().getProcessors()) {
        RowDataPacket row = getRow(p, c.getCharset());
        row.packetId = ++packetId;
        buffer = row.write(buffer, c, true);
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 29 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class ShowSQL method getRow.

private static RowDataPacket getRow(String user, UserSqlLastStat.SqlLast sql, int idx, String charset) {
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(LongUtil.toBytes(idx));
    row.add(StringUtil.encode(user, charset));
    row.add(LongUtil.toBytes(sql.getStartTime()));
    row.add(LongUtil.toBytes(sql.getExecuteTime()));
    row.add(StringUtil.encode(sql.getSql(), charset));
    return row;
}

Example 30 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class ShowSQLDetail method execute.

public static void execute(ManagerConnection c, long sql) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = eof.write(buffer, c, true);
    // write rows
    byte packetId = eof.packetId;
    for (int i = 0; i < 3; i++) {
        RowDataPacket row = getRow(sql, c.getCharset());
        row.packetId = ++packetId;
        buffer = row.write(buffer, c, true);
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}