Examples with RowDataPacket io.mycat.net.mysql.RowDataPacket used on opensource projects

Example 16 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class ShowServer 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.packetId;
    RowDataPacket row = getRow(c.getCharset());
    row.packetId = ++packetId;
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 17 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

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.packetId;
    for (NIOProcessor process : MycatServer.getInstance().getProcessors()) {
        for (FrontendConnection front : process.getFrontends().values()) {
            if (!(front instanceof ServerConnection)) {
                continue;
            }
            ServerConnection sc = (ServerConnection) front;
            RowDataPacket row = getRow(sc, c.getCharset());
            if (row != null) {
                row.packetId = ++packetId;
                buffer = row.write(buffer, c, true);
            }
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 18 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class ShowSession method getRow.

private static RowDataPacket getRow(ServerConnection sc, String charset) {
    StringBuilder sb = new StringBuilder();
    NonBlockingSession ssesion = sc.getSession2();
    Collection<BackendConnection> backConnections = ssesion.getTargetMap().values();
    int cncount = backConnections.size();
    if (cncount == 0) {
        return null;
    }
    for (BackendConnection backCon : backConnections) {
        sb.append(backCon).append("\r\n");
    }
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(StringUtil.encode(sc.getId() + "", charset));
    row.add(StringUtil.encode(cncount + "", charset));
    row.add(StringUtil.encode(sb.toString(), charset));
    return row;
}

Example 19 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

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.packetId;
    int i = 0;
    Map<String, UserStat> statMap = UserStatAnalyzer.getInstance().getUserStatMap();
    for (UserStat userStat : statMap.values()) {
        String user = userStat.getUser();
        ConcurrentHashMap<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());
                row.packetId = ++packetId;
                buffer = row.write(buffer, c, true);
            }
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 20 with RowDataPacket

use of io.mycat.net.mysql.RowDataPacket in project Mycat_plus by coderczp.

the class ShowTime method execute.

public static void execute(ManagerConnection c, int type) {
    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.packetId;
    RowDataPacket row = getRow(type);
    row.packetId = ++packetId;
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}