Examples with FieldPacket com.actiontech.dble.net.mysql.FieldPacket used on opensource projects

Example 21 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class ShowDatasourceSyn 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.getPacketId();
    for (RowDataPacket row : getRows(c.getCharset().getResults())) {
        row.setPacketId(++packetId);
        buffer = row.write(buffer, c, true);
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 22 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class ShowDatasourceSynDetail method response.

public static void response(ManagerConnection c, String stmt) {
    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.getPacketId();
    String name = ManagerParseShow.getWhereParameter(stmt);
    for (RowDataPacket row : getRows(name, c.getCharset().getResults())) {
        row.setPacketId(++packetId);
        buffer = row.write(buffer, c, true);
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 23 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class ShowDirectMemory method showDirectMemoryDetail.

private static void showDirectMemoryDetail(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = DETAIL_HEADER.write(buffer, c, true);
    // write fields
    for (FieldPacket field : DETAIL_FIELDS) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = DETAIL_EOF.write(buffer, c, true);
    // write rows
    byte packetId = DETAIL_EOF.getPacketId();
    ConcurrentMap<Long, Long> networkBufferPool = DbleServer.getInstance().getBufferPool().getNetDirectMemoryUsage();
    for (Map.Entry<Long, Long> entry : networkBufferPool.entrySet()) {
        RowDataPacket row = new RowDataPacket(DETAIL_FIELD_COUNT);
        long value = entry.getValue();
        row.add(StringUtil.encode(String.valueOf(entry.getKey()), c.getCharset().getResults()));
        /* DIRECT_MEMORY belong to Buffer Pool */
        row.add(StringUtil.encode("NetWorkBufferPool", c.getCharset().getResults()));
        row.add(StringUtil.encode(value > 0 ? JavaUtils.bytesToString2(value) : "0", c.getCharset().getResults()));
        row.setPacketId(++packetId);
        buffer = row.write(buffer, c, true);
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 24 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class ShowDirectMemory method showDirectMemoryTotal.

private static void showDirectMemoryTotal(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = TOTAL_HEADER.write(buffer, c, true);
    // write fields
    for (FieldPacket field : TOTAL_FIELDS) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = TOTAL_EOF.write(buffer, c, true);
    ConcurrentMap<Long, Long> networkBufferPool = DbleServer.getInstance().getBufferPool().getNetDirectMemoryUsage();
    RowDataPacket row = new RowDataPacket(TOTAL_FIELD_COUNT);
    long usedForNetwork = 0;
    /* the value of -XX:MaxDirectMemorySize */
    long totalAvailable = Platform.getMaxDirectMemory();
    row.add(StringUtil.encode(JavaUtils.bytesToString2(totalAvailable), c.getCharset().getResults()));
    /* IO packet used in DirectMemory in buffer pool */
    for (Map.Entry<Long, Long> entry : networkBufferPool.entrySet()) {
        usedForNetwork += entry.getValue();
    }
    row.add(StringUtil.encode(JavaUtils.bytesToString2(usedForNetwork), c.getCharset().getResults()));
    row.add(StringUtil.encode(JavaUtils.bytesToString2(totalAvailable - usedForNetwork), c.getCharset().getResults()));
    // write rows
    byte packetId = TOTAL_EOF.getPacketId();
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 25 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

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.getPacketId();
    for (RowDataPacket row : getRows()) {
        row.setPacketId(++packetId);
        buffer = row.write(buffer, c, true);
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}