Examples with RowDataPacket com.actiontech.dble.net.mysql.RowDataPacket used on opensource projects

Example 31 with RowDataPacket

use of com.actiontech.dble.net.mysql.RowDataPacket in project dble by actiontech.

the class ShowSession method execute.

public static void execute(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = HEADER.write(buffer, c, true);
    // write fields
    for (FieldPacket field : FIELDS) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = EOF.write(buffer, c, true);
    // write rows
    byte packetId = EOF.getPacketId();
    for (NIOProcessor process : DbleServer.getInstance().getFrontProcessors()) {
        for (FrontendConnection front : process.getFrontends().values()) {
            if (!(front instanceof ServerConnection)) {
                continue;
            }
            ServerConnection sc = (ServerConnection) front;
            RowDataPacket row = getRow(sc, c.getCharset().getResults());
            if (row != null) {
                row.setPacketId(++packetId);
                buffer = row.write(buffer, c, true);
            }
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 32 with RowDataPacket

use of com.actiontech.dble.net.mysql.RowDataPacket in project dble by actiontech.

the class ShowSqlResultSet method getRow.

private static RowDataPacket getRow(int i, String user, String sql, int count, int resultSetSize, String charset) {
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(LongUtil.toBytes(i));
    row.add(StringUtil.encode(user, charset));
    row.add(LongUtil.toBytes(count));
    row.add(StringUtil.encode(sql, charset));
    row.add(IntegerUtil.toBytes(resultSetSize));
    return row;
}

Example 33 with RowDataPacket

use of com.actiontech.dble.net.mysql.RowDataPacket in project dble by actiontech.

the class ShowSqlResultSet method execute.

public static void execute(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = HEADER.write(buffer, c, true);
    // write fields
    for (FieldPacket field : FIELDS) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = EOF.write(buffer, c, true);
    // write rows
    byte packetId = EOF.getPacketId();
    int i = 0;
    Map<String, UserStat> statMap = UserStatAnalyzer.getInstance().getUserStatMap();
    for (UserStat userStat : statMap.values()) {
        String user = userStat.getUser();
        ConcurrentMap<String, SqlResultSet> map = userStat.getSqlResultSizeRecorder().getSqlResultSet();
        if (map != null) {
            for (SqlResultSet sqlResultSet : map.values()) {
                RowDataPacket row = getRow(++i, user, sqlResultSet.getSql(), sqlResultSet.getCount(), sqlResultSet.getResultSetSize(), c.getCharset().getResults());
                row.setPacketId(++packetId);
                buffer = row.write(buffer, c, true);
            }
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 34 with RowDataPacket

use of com.actiontech.dble.net.mysql.RowDataPacket in project dble by actiontech.

the class ShowSysLog method execute.

public static void execute(ManagerConnection c, int numLines) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = HEADER.write(buffer, c, true);
    // write fields
    for (FieldPacket field : FIELDS) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = EOF.write(buffer, c, true);
    // write rows
    byte packetId = EOF.getPacketId();
    String filename = SystemConfig.getHomePath() + File.separator + "logs" + File.separator + ShowServerLog.DEFAULT_LOGFILE;
    String[] lines = getLinesByLogFile(filename, numLines);
    boolean linesIsEmpty = true;
    for (String line : lines) {
        if (line != null) {
            RowDataPacket row = new RowDataPacket(FIELD_COUNT);
            row.add(StringUtil.encode(line.substring(0, 19), c.getCharset().getResults()));
            row.add(StringUtil.encode(line.substring(19, line.length()), c.getCharset().getResults()));
            row.setPacketId(++packetId);
            buffer = row.write(buffer, c, true);
            linesIsEmpty = false;
        }
    }
    if (linesIsEmpty) {
        RowDataPacket row = new RowDataPacket(FIELD_COUNT);
        row.add(StringUtil.encode("NULL", c.getCharset().getResults()));
        row.add(StringUtil.encode("NULL", c.getCharset().getResults()));
        row.setPacketId(++packetId);
        buffer = row.write(buffer, c, true);
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 35 with RowDataPacket

use of com.actiontech.dble.net.mysql.RowDataPacket in project dble by actiontech.

the class ShowBackendStat method execute.

public static void execute(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    buffer = HEADER.write(buffer, c, true);
    for (FieldPacket field : FIELDS) {
        buffer = field.write(buffer, c, true);
    }
    buffer = EOF.write(buffer, c, true);
    HashMap<String, BackendStat> infos = stat();
    byte packetId = EOF.getPacketId();
    for (Map.Entry<String, BackendStat> entry : infos.entrySet()) {
        RowDataPacket row = getRow(entry.getValue(), c.getCharset().getResults());
        row.setPacketId(++packetId);
        buffer = row.write(buffer, c, true);
    }
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    c.write(buffer);
}