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

Example 36 with EOFPacket

use of io.mycat.net.mysql.EOFPacket in project Mycat-Server by MyCATApache.

the class EngineCtx method writeEof.

public void writeEof() {
    ServerConnection sc = session.getSource();
    EOFPacket eofPckg = new EOFPacket();
    eofPckg.packetId = incPackageId();
    ByteBuffer buf = eofPckg.write(sc.allocate(), sc, false);
    sc.write(buf);
    LOGGER.info("write  eof ,packgId:" + eofPckg.packetId);
}

Example 37 with EOFPacket

use of io.mycat.net.mysql.EOFPacket in project Mycat-Server by MyCATApache.

the class EngineCtx method writeHeader.

public void writeHeader(List<byte[]> afields) {
    if (headerWrited.compareAndSet(false, true)) {
        try {
            writeLock.lock();
            // write new header
            ResultSetHeaderPacket headerPkg = new ResultSetHeaderPacket();
            // -1;
            headerPkg.fieldCount = afields.size();
            headerPkg.packetId = incPackageId();
            LOGGER.debug("packge id " + headerPkg.packetId);
            ServerConnection sc = session.getSource();
            ByteBuffer buf = headerPkg.write(sc.allocate(), sc, true);
            // wirte a fields
            for (byte[] field : afields) {
                field[3] = incPackageId();
                buf = sc.writeToBuffer(field, buf);
            }
            // write field eof
            EOFPacket eofPckg = new EOFPacket();
            eofPckg.packetId = incPackageId();
            buf = eofPckg.write(buf, sc, true);
            sc.write(buf);
        //LOGGER.info("header outputed ,packgId:" + eofPckg.packetId);
        } finally {
            writeLock.unlock();
        }
    }
}

Example 38 with EOFPacket

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

the class PackageBufINf method handle.

public static void handle(String stmt, 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;
    PackageBufINf bufInf = null;
    // show log key=warn limit=0,30
    Map<String, String> condPairMap = getCondPair(stmt);
    if (condPairMap.isEmpty()) {
        bufInf = showLogSum(c, buffer, packetId);
    } else {
        String logFile = condPairMap.get("file");
        if (logFile == null) {
            logFile = DEFAULT_LOGFILE;
        }
        String limitStr = condPairMap.get("limit");
        limitStr = (limitStr != null) ? limitStr : "0," + 100000;
        String[] limtArry = limitStr.split("\\s|,");
        int start = Integer.parseInt(limtArry[0]);
        int page = Integer.parseInt(limtArry[1]);
        int end = Integer.valueOf(start + page);
        String key = condPairMap.get("key");
        String regex = condPairMap.get("regex");
        bufInf = showLogRange(c, buffer, packetId, key, regex, start, end, logFile);
    }
    packetId = bufInf.packetId;
    buffer = bufInf.buffer;
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 39 with EOFPacket

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

the class SelectSessionAutoIncrement 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 = new RowDataPacket(FIELD_COUNT);
    row.packetId = ++packetId;
    row.add(LongUtil.toBytes(1));
    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);
}

Example 40 with EOFPacket

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

the class SelectVersionComment 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 = new RowDataPacket(FIELD_COUNT);
    row.add(VERSION_COMMENT);
    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);
}