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

Example 1 with OkPacket

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

the class SingleNodeHandler method okResponse.

/**
	 * insert/update/delete
	 * 
	 * okResponse()：读取data字节数组，组成一个OKPacket，并调用ok.write(source)将结果写入前端连接FrontendConnection的写缓冲队列writeQueue中，
	 * 真正发送给应用是由对应的NIOSocketWR从写队列中读取ByteBuffer并返回的
	 */
@Override
public void okResponse(byte[] data, BackendConnection conn) {
    //
    this.netOutBytes += data.length;
    boolean executeResponse = conn.syncAndExcute();
    if (executeResponse) {
        ServerConnection source = session.getSource();
        OkPacket ok = new OkPacket();
        ok.read(data);
        boolean isCanClose2Client = (!rrs.isCallStatement()) || (rrs.isCallStatement() && !rrs.getProcedure().isResultSimpleValue());
        if (rrs.isLoadData()) {
            byte lastPackId = source.getLoadDataInfileHandler().getLastPackId();
            // OK_PACKET
            ok.packetId = ++lastPackId;
            source.getLoadDataInfileHandler().clear();
        } else if (isCanClose2Client) {
            // OK_PACKET
            ok.packetId = ++packetId;
        }
        if (isCanClose2Client) {
            session.releaseConnectionIfSafe(conn, LOGGER.isDebugEnabled(), false);
            endRunning();
        }
        ok.serverStatus = source.isAutocommit() ? 2 : 1;
        recycleResources();
        if (isCanClose2Client) {
            source.setLastInsertId(ok.insertId);
            ok.write(source);
        }
        this.affectedRows = ok.affectedRows;
        // add by lian
        // 解决sql统计中写操作永远为0
        QueryResult queryResult = new QueryResult(session.getSource().getUser(), rrs.getSqlType(), rrs.getStatement(), affectedRows, netInBytes, netOutBytes, startTime, System.currentTimeMillis(), 0);
        QueryResultDispatcher.dispatchQuery(queryResult);
    }
}

Example 2 with OkPacket

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

the class UnLockTablesHandler method execute.

public void execute() {
    Map<RouteResultsetNode, BackendConnection> lockedConns = session.getTargetMap();
    Set<RouteResultsetNode> dnSet = lockedConns.keySet();
    this.reset(lockedConns.size());
    // 客户端直接发送unlock tables命令，由于之前未发送lock tables语句，无法获取后端绑定的连接，此时直接返回OK包
    if (lockedConns.size() == 0) {
        LOGGER.warn("find no locked backend connection!" + session.getSource());
        OkPacket ok = new OkPacket();
        ok.packetId = ++packetId;
        // unlock table 命令返回MySQL协议包长度为7
        ok.packetLength = 7;
        ok.serverStatus = session.getSource().isAutocommit() ? 2 : 1;
        ok.write(session.getSource());
        return;
    }
    for (RouteResultsetNode dataNode : dnSet) {
        RouteResultsetNode node = new RouteResultsetNode(dataNode.getName(), ServerParse.UNLOCK, srcStatement);
        BackendConnection conn = lockedConns.get(dataNode);
        if (clearIfSessionClosed(session)) {
            return;
        }
        conn.setResponseHandler(this);
        try {
            conn.execute(node, session.getSource(), autocommit);
        } catch (Exception e) {
            connectionError(e, conn);
        }
    }
}

Example 3 with OkPacket

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

the class LockTablesHandler method okResponse.

@Override
public void okResponse(byte[] data, BackendConnection conn) {
    boolean executeResponse = conn.syncAndExcute();
    if (executeResponse) {
        if (clearIfSessionClosed(session)) {
            return;
        }
        boolean isEndPack = decrementCountBy(1);
        if (isEndPack) {
            if (this.isFail() || session.closed()) {
                tryErrorFinished(true);
                return;
            }
            OkPacket ok = new OkPacket();
            ok.read(data);
            lock.lock();
            try {
                ok.packetId = ++packetId;
                ok.serverStatus = session.getSource().isAutocommit() ? 2 : 1;
            } finally {
                lock.unlock();
            }
            ok.write(session.getSource());
        }
    }
}

Example 4 with OkPacket

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

the class ReloadQueryCf method execute.

public static void execute(ManagerConnection c, String cf) {
    if (cf == null) {
        cf = "NULL";
    }
    QueryConditionAnalyzer.getInstance().setCf(cf);
    StringBuilder s = new StringBuilder();
    s.append(c).append("Reset show  @@sql.condition=" + cf + " success by manager");
    logger.warn(s.toString());
    OkPacket ok = new OkPacket();
    ok.packetId = 1;
    ok.affectedRows = 1;
    ok.serverStatus = 2;
    ok.message = "Reset show  @@sql.condition success".getBytes();
    ok.write(c);
    System.out.println(s.toString());
}

Example 5 with OkPacket

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

the class ReloadSqlSlowTime method execute.

public static void execute(ManagerConnection c, long time) {
    Map<String, UserStat> statMap = UserStatAnalyzer.getInstance().getUserStatMap();
    for (UserStat userStat : statMap.values()) {
        userStat.setSlowTime(time);
    }
    StringBuilder s = new StringBuilder();
    s.append(c).append("Reset show  @@sql.slow=" + time + " time success by manager");
    logger.warn(s.toString());
    OkPacket ok = new OkPacket();
    ok.packetId = 1;
    ok.affectedRows = 1;
    ok.serverStatus = 2;
    ok.message = "Reset show  @@sql.slow time success".getBytes();
    ok.write(c);
    System.out.println(s.toString());
}