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

Example 6 with FieldPacket

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

the class ShowServer 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 = getRow(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);
    // write buffer
    c.write(buffer);
}

Example 7 with FieldPacket

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

the class ShowSlow method dataNode.

public static void dataNode(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();
    MySQLDataNode dn = conf.getDataNodes().get(name);
    MySQLDataSource ds = null;
    if (dn != null && (ds = dn.getSource()) != null) {
        SQLRecord[] records = ds.getSqlRecorder().getRecords();
        for (int i = records.length - 1; i >= 0; i--) {
            if (records[i] != null) {
                RowDataPacket row = getRow(records[i], 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);
    // write buffer
    c.write(buffer);
}

Example 8 with FieldPacket

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

the class ShowSlow method schema.

public static void schema(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();
    SchemaConfig schema = conf.getSchemas().get(name);
    if (schema != null) {
        SQLRecorder recorder = new SQLRecorder(conf.getSystem().getSqlRecordCount());
        Map<String, MySQLDataNode> dataNodes = conf.getDataNodes();
        for (String n : schema.getAllDataNodes()) {
            MySQLDataNode dn = dataNodes.get(n);
            MySQLDataSource ds = null;
            if (dn != null && (ds = dn.getSource()) != null) {
                for (SQLRecord r : ds.getSqlRecorder().getRecords()) {
                    if (r != null && recorder.check(r.executeTime)) {
                        recorder.add(r);
                    }
                }
            }
        }
        SQLRecord[] records = recorder.getRecords();
        for (int i = records.length - 1; i >= 0; i--) {
            if (records[i] != null) {
                RowDataPacket row = getRow(records[i], 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);
    // write buffer
    c.write(buffer);
}

Example 9 with FieldPacket

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

the class ShowDatabase 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;
    Map<String, SchemaConfig> schemas = CobarServer.getInstance().getConfig().getSchemas();
    for (String name : new TreeSet<String>(schemas.keySet())) {
        RowDataPacket row = new RowDataPacket(FIELD_COUNT);
        row.add(StringUtil.encode(name, c.getCharset()));
        row.packetId = ++packetId;
        buffer = row.write(buffer, c);
    }
    // write lastEof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c);
    // write buffer
    c.write(buffer);
}

Example 10 with FieldPacket

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

the class ShowHeartbeat method response.

public static void response(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;
    for (RowDataPacket row : getRows()) {
        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);
}