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

Example 6 with MySQLDataSource

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

the class ConfigInitializer method getDataNode.

private MySQLDataNode getDataNode(DataNodeConfig dnc, ConfigLoader configLoader) {
    String[] dsNames = SplitUtil.split(dnc.getDataSource(), ',');
    checkDataSourceExists(dsNames);
    MySQLDataNode node = new MySQLDataNode(dnc);
    MySQLDataSource[] dsList = new MySQLDataSource[dsNames.length];
    int size = dnc.getPoolSize();
    for (int i = 0; i < dsList.length; i++) {
        DataSourceConfig dsc = dataSources.get(dsNames[i]);
        dsList[i] = new MySQLDataSource(node, i, dsc, size);
    }
    node.setSources(dsList);
    return node;
}

Example 7 with MySQLDataSource

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

the class ShowDataNode method getRow.

private static RowDataPacket getRow(MySQLDataNode node, String charset) {
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(StringUtil.encode(node.getName(), charset));
    row.add(StringUtil.encode(node.getConfig().getDataSource(), charset));
    MySQLDataSource ds = node.getSource();
    if (ds != null) {
        row.add(IntegerUtil.toBytes(ds.getIndex()));
        row.add(ds.getConfig().getType().getBytes());
        row.add(IntegerUtil.toBytes(ds.getActiveCount()));
        row.add(IntegerUtil.toBytes(ds.getIdleCount()));
        row.add(IntegerUtil.toBytes(ds.size()));
    } else {
        row.add(null);
        row.add(null);
        row.add(null);
        row.add(null);
        row.add(null);
    }
    row.add(LongUtil.toBytes(node.getExecuteCount()));
    row.add(StringUtil.encode(nf.format(0), charset));
    row.add(StringUtil.encode(nf.format(0), charset));
    row.add(LongUtil.toBytes(0));
    long recoveryTime = node.getHeartbeatRecoveryTime() - TimeUtil.currentTimeMillis();
    row.add(LongUtil.toBytes(recoveryTime > 0 ? recoveryTime / 1000L : -1L));
    return row;
}

Example 8 with MySQLDataSource

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

the class ShowDataSource method execute.

public static void execute(ManagerConnection c, String name) {
    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;
    CobarConfig conf = CobarServer.getInstance().getConfig();
    Map<String, DataSourceConfig> dataSources = conf.getDataSources();
    List<String> keys = new ArrayList<String>();
    if (null != name) {
        MySQLDataNode dn = conf.getDataNodes().get(name);
        if (dn != null)
            for (MySQLDataSource ds : dn.getSources()) {
                if (ds != null) {
                    keys.add(ds.getName());
                }
            }
    } else {
        keys.addAll(dataSources.keySet());
    }
    Collections.sort(keys, new Comparators<String>());
    for (String key : keys) {
        RowDataPacket row = getRow(dataSources.get(key), 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 9 with MySQLDataSource

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

the class ClearSlow method dataNode.

public static void dataNode(ManagerConnection c, String name) {
    MySQLDataNode dn = CobarServer.getInstance().getConfig().getDataNodes().get(name);
    MySQLDataSource ds = null;
    if (dn != null && (ds = dn.getSource()) != null) {
        ds.getSqlRecorder().clear();
        c.write(c.writeToBuffer(OkPacket.OK, c.allocate()));
    } else {
        c.writeErrMessage(ErrorCode.ER_YES, "Invalid DataNode:" + name);
    }
}

Example 10 with MySQLDataSource

use of com.alibaba.cobar.mysql.MySQLDataSource 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;
}