Examples with MySQLDataNode com.alibaba.cobar.mysql.MySQLDataNode used on opensource projects

Example 21 with MySQLDataNode

use of com.alibaba.cobar.mysql.MySQLDataNode 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);
}

Example 22 with MySQLDataNode

use of com.alibaba.cobar.mysql.MySQLDataNode in project cobar by alibaba.

the class NonBlockingSession method kill.

private void kill(Runnable run) {
    boolean hooked = false;
    AtomicInteger count = null;
    Map<RouteResultsetNode, MySQLConnection> killees = null;
    for (RouteResultsetNode node : target.keySet()) {
        MySQLConnection c = target.get(node);
        if (c != null && c.isRunning()) {
            if (!hooked) {
                hooked = true;
                killees = new HashMap<RouteResultsetNode, MySQLConnection>();
                count = new AtomicInteger(0);
            }
            killees.put(node, c);
            count.incrementAndGet();
        }
    }
    if (hooked) {
        for (Entry<RouteResultsetNode, MySQLConnection> en : killees.entrySet()) {
            KillConnectionHandler kill = new KillConnectionHandler(en.getValue(), this, run, count);
            CobarConfig conf = CobarServer.getInstance().getConfig();
            MySQLDataNode dn = conf.getDataNodes().get(en.getKey().getName());
            try {
                dn.getConnection(kill, en.getKey());
            } catch (Exception e) {
                LOGGER.error("get killer connection failed for " + en.getKey(), e);
                kill.connectionError(e, null);
            }
        }
    } else {
        run.run();
    }
}