Examples with ServerConnection com.alibaba.cobar.server.ServerConnection used on opensource projects

Example 16 with ServerConnection

use of com.alibaba.cobar.server.ServerConnection in project cobar by alibaba.

the class DefaultCommitExecutor method handleException.

private void handleException(Channel mc, BlockingSession session, Exception e) {
    isFail.set(true);
    if (decrementCountBy(1)) {
        try {
            session.clear();
            ServerConnection sc = session.getSource();
            getLogger().warn(new StringBuilder().append(sc).append(mc).append(getErrorMessage()).toString(), e);
            String msg = e.getMessage();
            sc.writeErrMessage(ErrorCode.ER_YES, msg == null ? e.getClass().getSimpleName() : msg);
        } catch (Exception e2) {
            getLogger().warn("exception happens in failure notification: " + session.getSource(), e2);
        }
    }
}

Example 17 with ServerConnection

use of com.alibaba.cobar.server.ServerConnection in project cobar by alibaba.

the class ShowConnection method getRow.

private static RowDataPacket getRow(FrontendConnection c, String charset) {
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(c.getProcessor().getName().getBytes());
    row.add(LongUtil.toBytes(c.getId()));
    row.add(StringUtil.encode(c.getHost(), charset));
    row.add(IntegerUtil.toBytes(c.getPort()));
    row.add(IntegerUtil.toBytes(c.getLocalPort()));
    row.add(StringUtil.encode(c.getSchema(), charset));
    row.add(StringUtil.encode(c.getCharset(), charset));
    row.add(LongUtil.toBytes(c.getNetInBytes()));
    row.add(LongUtil.toBytes(c.getNetOutBytes()));
    row.add(LongUtil.toBytes((TimeUtil.currentTimeMillis() - c.getStartupTime()) / 1000L));
    row.add(IntegerUtil.toBytes(c.getWriteAttempts()));
    ByteBuffer bb = c.getReadBuffer();
    row.add(IntegerUtil.toBytes(bb == null ? 0 : bb.capacity()));
    BufferQueue bq = c.getWriteQueue();
    row.add(IntegerUtil.toBytes(bq == null ? 0 : bq.size()));
    if (c instanceof ServerConnection) {
        ServerConnection sc = (ServerConnection) c;
        row.add(IntegerUtil.toBytes(sc.getSession().getTargetCount()));
    } else {
        row.add(null);
    }
    return row;
}

Example 18 with ServerConnection

use of com.alibaba.cobar.server.ServerConnection in project cobar by alibaba.

the class SingleNodeHandler method executeException.

private void executeException(MySQLConnection c) {
    c.setRunning(false);
    endRunning();
    session.clearConnections();
    ErrorPacket err = new ErrorPacket();
    err.packetId = ++packetId;
    err.errno = ErrorCode.ER_YES;
    err.message = StringUtil.encode("unknown backend charset: " + c.getCharset(), session.getSource().getCharset());
    ServerConnection source = session.getSource();
    source.write(err.write(buffer, source));
}

Example 19 with ServerConnection

use of com.alibaba.cobar.server.ServerConnection in project cobar by alibaba.

the class SingleNodeHandler method rowEofResponse.

@Override
public void rowEofResponse(byte[] eof, MySQLConnection conn) {
    ServerConnection source = session.getSource();
    conn.setRunning(false);
    conn.recordSql(source.getHost(), source.getSchema(), route.getStatement());
    if (source.isAutocommit()) {
        session.clearConnections();
    }
    endRunning();
    buffer = source.writeToBuffer(eof, buffer);
    source.write(buffer);
}

Example 20 with ServerConnection

use of com.alibaba.cobar.server.ServerConnection in project cobar by alibaba.

the class MultiNodeExecutor method notifyFailure.

/**
 * 通知，执行异常
 *
 * @throws nothing never throws any exception
 */
private void notifyFailure(BlockingSession ss) {
    try {
        // 清理
        ss.clear();
        ServerConnection sc = ss.getSource();
        sc.setTxInterrupt();
        // 通知
        ErrorPacket err = new ErrorPacket();
        // ERROR_PACKET
        err.packetId = ++packetId;
        err.errno = errno;
        err.message = StringUtil.encode(errMessage, sc.getCharset());
        sc.write(err.write(buffer, sc));
    } catch (Exception e) {
        LOGGER.warn("exception happens in failure notification: " + ss.getSource(), e);
    }
}