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

Example 46 with RowDataPacket

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

the class ShowConnection 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;
    String charset = c.getCharset();
    for (NIOProcessor p : CobarServer.getInstance().getProcessors()) {
        for (FrontendConnection fc : p.getFrontends().values()) {
            if (fc != null) {
                RowDataPacket row = getRow(fc, charset);
                row.packetId = ++packetId;
                buffer = row.write(buffer, c);
            }
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c);
    // write buffer
    c.write(buffer);
}

Example 47 with RowDataPacket

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

the class ShowConnection method getRow.

private static RowDataPacket getRow(FrontendConnection c, String charset) {
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(c.getProcessor().getName().getBytes());
    row.add(LongUtil.toBytes(c.getId()));
    row.add(StringUtil.encode(c.getHost(), charset));
    row.add(IntegerUtil.toBytes(c.getPort()));
    row.add(IntegerUtil.toBytes(c.getLocalPort()));
    row.add(StringUtil.encode(c.getSchema(), charset));
    row.add(StringUtil.encode(c.getCharset(), charset));
    row.add(LongUtil.toBytes(c.getNetInBytes()));
    row.add(LongUtil.toBytes(c.getNetOutBytes()));
    row.add(LongUtil.toBytes((TimeUtil.currentTimeMillis() - c.getStartupTime()) / 1000L));
    row.add(IntegerUtil.toBytes(c.getWriteAttempts()));
    ByteBuffer bb = c.getReadBuffer();
    row.add(IntegerUtil.toBytes(bb == null ? 0 : bb.capacity()));
    BufferQueue bq = c.getWriteQueue();
    row.add(IntegerUtil.toBytes(bq == null ? 0 : bq.size()));
    if (c instanceof ServerConnection) {
        ServerConnection sc = (ServerConnection) c;
        row.add(IntegerUtil.toBytes(sc.getSession().getTargetCount()));
    } else {
        row.add(null);
    }
    return row;
}

Example 48 with RowDataPacket

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

the class ShowDataNode 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, MySQLDataNode> dataNodes = conf.getDataNodes();
    List<String> keys = new ArrayList<String>();
    if (StringUtil.isEmpty(name)) {
        keys.addAll(dataNodes.keySet());
    } else {
        SchemaConfig sc = conf.getSchemas().get(name);
        if (null != sc) {
            keys.addAll(sc.getAllDataNodes());
        }
    }
    Collections.sort(keys, new Comparators<String>());
    for (String key : keys) {
        RowDataPacket row = getRow(dataNodes.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 49 with RowDataPacket

use of com.alibaba.cobar.net.mysql.RowDataPacket 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 50 with RowDataPacket

use of com.alibaba.cobar.net.mysql.RowDataPacket 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);
}