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

Example 51 with RowDataPacket

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

the class SequenceVal method rowResponse.

@Override
public void rowResponse(byte[] row, BackendConnection conn) {
    RowDataPacket rowDataPkg = new RowDataPacket(1);
    rowDataPkg.read(row);
    byte[] columnData = rowDataPkg.fieldValues.get(0);
    String columnVal = new String(columnData);
    SequenceVal seqVal = (SequenceVal) conn.getAttachment();
    if (IncrSequenceMySQLHandler.errSeqResult.equals(columnVal)) {
        seqVal.dbretVal = IncrSequenceMySQLHandler.errSeqResult;
        LOGGER.warn(" sequnce sql returned err value ,sequence:" + seqVal.seqName + " " + columnVal + " sql:" + seqVal.sql);
    } else {
        seqVal.dbretVal = columnVal;
    }
}

Example 52 with RowDataPacket

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

the class MysqlInformationSchemaHandler method querySessionVariables.

/**
 * @param c
 * @param charset
 */
private static void querySessionVariables(ServerConnection c, String charset) {
    int field_count = 2;
    FieldPacket[] fields = new FieldPacket[field_count];
    fields[0] = PacketUtil.getField("VARIABLE_NAME", Fields.FIELD_TYPE_VAR_STRING);
    fields[1] = PacketUtil.getField("VARIABLE_VALUE", Fields.FIELD_TYPE_VAR_STRING);
    RowDataPacket[] rows = new RowDataPacket[1];
    RowDataPacket row = new RowDataPacket(field_count);
    row.add(StringUtil.encode("TIME_ZONE", charset));
    row.add(StringUtil.encode("system ", charset));
    rows[0] = row;
    Result rs = new Result();
    rs.fields = fields;
    rs.rows = rows;
    doWrite(rs, c);
}

Example 53 with RowDataPacket

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

the class MysqlInformationSchemaHandler method queryCollations.

/**
 * @param c
 * @param charset
 */
private static void queryCollations(ServerConnection c, String charset) {
    int field_count = 6;
    FieldPacket[] fields = new FieldPacket[field_count];
    fields[0] = PacketUtil.getField("COLLATION_NAME", Fields.FIELD_TYPE_VAR_STRING);
    fields[1] = PacketUtil.getField("CHARACTER_SET_NAME", Fields.FIELD_TYPE_VAR_STRING);
    fields[2] = PacketUtil.getField("ID", Fields.FIELD_TYPE_VAR_STRING);
    fields[3] = PacketUtil.getField("IS_DEFAULT", Fields.FIELD_TYPE_VAR_STRING);
    fields[4] = PacketUtil.getField("IS_COMPILED", Fields.FIELD_TYPE_VAR_STRING);
    fields[5] = PacketUtil.getField("SORTLEN", Fields.FIELD_TYPE_VAR_STRING);
    RowDataPacket[] rows = new RowDataPacket[1];
    RowDataPacket row = new RowDataPacket(field_count);
    row.add(StringUtil.encode("utf8_bin", charset));
    row.add(StringUtil.encode("utf8 ", charset));
    row.add(StringUtil.encode("196", charset));
    row.add(StringUtil.encode("", charset));
    row.add(StringUtil.encode("YES ", charset));
    row.add(StringUtil.encode("8", charset));
    rows[0] = row;
    Result rs = new Result();
    rs.fields = fields;
    rs.rows = rows;
    doWrite(rs, c);
}

Example 54 with RowDataPacket

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

the class ShowCache method getRow.

private static RowDataPacket getRow(String poolName, CacheStatic cacheStatic, String charset) {
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(StringUtil.encode(poolName, charset));
    // max size
    row.add(LongUtil.toBytes(cacheStatic.getMaxSize()));
    row.add(LongUtil.toBytes(cacheStatic.getItemSize()));
    row.add(LongUtil.toBytes(cacheStatic.getAccessTimes()));
    row.add(LongUtil.toBytes(cacheStatic.getHitTimes()));
    row.add(LongUtil.toBytes(cacheStatic.getPutTimes()));
    row.add(LongUtil.toBytes(cacheStatic.getLastAccesTime()));
    row.add(LongUtil.toBytes(cacheStatic.getLastPutTime()));
    return row;
}

Example 55 with RowDataPacket

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

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.packetId;
    CacheService cacheService = MycatServer.getInstance().getCacheService();
    for (Map.Entry<String, CachePool> entry : cacheService.getAllCachePools().entrySet()) {
        String cacheName = entry.getKey();
        CachePool cachePool = entry.getValue();
        if (cachePool instanceof LayerCachePool) {
            for (Map.Entry<String, CacheStatic> staticsEntry : ((LayerCachePool) cachePool).getAllCacheStatic().entrySet()) {
                RowDataPacket row = getRow(cacheName + '.' + staticsEntry.getKey(), staticsEntry.getValue(), c.getCharset());
                row.packetId = ++packetId;
                buffer = row.write(buffer, c, true);
            }
        } else {
            RowDataPacket row = getRow(cacheName, cachePool.getCacheStatic(), 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);
}