Examples with RowDataPacket com.alibaba.cobar.net.mysql.RowDataPacket used on opensource projects

Example 51 with RowDataPacket

use of com.alibaba.cobar.net.mysql.RowDataPacket in project cobar by alibaba.

the class SelectSessionAutoIncrement method execute.

public static void execute(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c);
    // write fields
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c);
    }
    // write eof
    buffer = eof.write(buffer, c);
    // write rows
    byte packetId = eof.packetId;
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.packetId = ++packetId;
    row.add(LongUtil.toBytes(1));
    buffer = row.write(buffer, c);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c);
    // post write
    c.write(buffer);
}

Example 52 with RowDataPacket

use of com.alibaba.cobar.net.mysql.RowDataPacket in project cobar by alibaba.

the class SelectVersionComment method execute.

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

Example 53 with RowDataPacket

use of com.alibaba.cobar.net.mysql.RowDataPacket in project cobar by alibaba.

the class ShowBackend method execute.

public static void execute(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    buffer = header.write(buffer, c);
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c);
    }
    buffer = eof.write(buffer, c);
    byte packetId = eof.packetId;
    String charset = c.getCharset();
    for (NIOProcessor p : CobarServer.getInstance().getProcessors()) {
        for (BackendConnection bc : p.getBackends().values()) {
            if (bc != null) {
                RowDataPacket row = getRow(bc, charset);
                row.packetId = ++packetId;
                buffer = row.write(buffer, c);
            }
        }
    }
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c);
    c.write(buffer);
}

Example 54 with RowDataPacket

use of com.alibaba.cobar.net.mysql.RowDataPacket in project cobar by alibaba.

the class ShowDataSources method getRow.

private static RowDataPacket getRow(MySQLDataNode node, String charset) {
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(StringUtil.encode(node.getName(), charset));
    MySQLDataSource ds = node.getSource();
    if (ds != null) {
        DataSourceConfig dsc = ds.getConfig();
        row.add(StringUtil.encode(dsc.getType(), charset));
        row.add(StringUtil.encode(dsc.getHost(), charset));
        row.add(IntegerUtil.toBytes(dsc.getPort()));
        row.add(StringUtil.encode(dsc.getDatabase(), charset));
    } else {
        row.add(null);
        row.add(null);
        row.add(null);
        row.add(null);
    }
    return row;
}

Example 55 with RowDataPacket

use of com.alibaba.cobar.net.mysql.RowDataPacket in project cobar by alibaba.

the class ShowDataSources method response.

public static void response(ServerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c);
    // write field
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c);
    }
    // write eof
    buffer = eof.write(buffer, c);
    // write rows
    byte packetId = eof.packetId;
    Map<String, MySQLDataNode> nodes = CobarServer.getInstance().getConfig().getDataNodes();
    for (MySQLDataNode node : nodes.values()) {
        RowDataPacket row = getRow(node, c.getCharset());
        row.packetId = ++packetId;
        buffer = row.write(buffer, c);
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c);
    // post write
    c.write(buffer);
}