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

Example 46 with FieldPacket

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

the class SelectVariables method execute.

public static void execute(ServerConnection c, String sql) {
    String subSql = sql.substring(sql.indexOf("SELECT") + 6);
    List<String> splitVar = Splitter.on(",").omitEmptyStrings().trimResults().splitToList(subSql);
    splitVar = convert(splitVar);
    int fieldCount = splitVar.size();
    ResultSetHeaderPacket header = PacketUtil.getHeader(fieldCount);
    FieldPacket[] fields = new FieldPacket[fieldCount];
    int i = 0;
    byte packetId = 0;
    header.setPacketId(++packetId);
    for (String s : splitVar) {
        fields[i] = PacketUtil.getField(s, Fields.FIELD_TYPE_VAR_STRING);
        fields[i++].setPacketId(++packetId);
    }
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c, true);
    }
    EOFPacket eof = new EOFPacket();
    eof.setPacketId(++packetId);
    // write eof
    buffer = eof.write(buffer, c, true);
    // write rows
    // byte packetId = eof.packetId;
    RowDataPacket row = new RowDataPacket(fieldCount);
    for (String s : splitVar) {
        String value = VARIABLES.get(s) == null ? "" : VARIABLES.get(s);
        row.add(value.getBytes());
    }
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    // write lastEof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 47 with FieldPacket

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

the class ShowBinlogStatus method writeResponse.

private static void writeResponse(ManagerConnection c) {
    if (errMsg == null) {
        ByteBuffer buffer = c.allocate();
        buffer = HEADER.write(buffer, c, true);
        for (FieldPacket field : FIELDS_PACKET) {
            buffer = field.write(buffer, c, true);
        }
        buffer = EOF.write(buffer, c, true);
        byte packetId = EOF.getPacketId();
        for (RowDataPacket row : rows) {
            row.setPacketId(++packetId);
            buffer = row.write(buffer, c, true);
        }
        rows.clear();
        EOFPacket lastEof = new EOFPacket();
        lastEof.setPacketId(++packetId);
        buffer = lastEof.write(buffer, c, true);
        c.write(buffer);
    } else {
        c.writeErrMessage(ErrorCode.ER_UNKNOWN_ERROR, errMsg);
        errMsg = null;
    }
}

Example 48 with FieldPacket

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

the class ShowCache 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();
    CacheService cacheService = DbleServer.getInstance().getCacheService();
    for (Map.Entry<String, CachePool> entry : cacheService.getAllCachePools().entrySet()) {
        String cacheName = entry.getKey();
        CachePool cachePool = entry.getValue();
        if (cachePool != null) {
            if (cachePool instanceof LayerCachePool) {
                for (Map.Entry<String, CacheStatic> staticsEntry : ((LayerCachePool) cachePool).getAllCacheStatic().entrySet()) {
                    RowDataPacket row = getRow(cacheName + '.' + staticsEntry.getKey(), staticsEntry.getValue(), c.getCharset().getResults());
                    row.setPacketId(++packetId);
                    buffer = row.write(buffer, c, true);
                }
            } else {
                RowDataPacket row = getRow(cacheName, cachePool.getCacheStatic(), 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 49 with FieldPacket

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

the class ShowCommand 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 p : DbleServer.getInstance().getFrontProcessors()) {
        RowDataPacket row = getRow(p);
        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 50 with FieldPacket

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

the class ShowConnectionCount 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();
    RowDataPacket row = getRow();
    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);
}