C++ (Cpp) IMGetMsgListReq::set_msg_id_begin Examples

Example #1

File: MessageModule_Impl.cpp Project: hgl888/TeamTalk

BOOL MessageModule_Impl::getHistoryMessage(IN const std::string& sId, IN UInt32 nMsgCount
        , IN BOOL scrollBottom, OUT std::vector<MessageEntity>& msgList)
{
    //step 0 get message id from cache
    module::SessionEntity sessEntity;
    if (!module::getSessionModule()->getSessionEntityBySId(sId, sessEntity))
    {
        LOGA__(ERR,"getSessionEntityBySId failed,sessionId:%s",util::stringToCString(sId));
        return FALSE;
    }
    UInt32 topMsgId = _getSessionTopMsgId(sId);
    if (0 == topMsgId)
    {
        topMsgId = sessEntity.latestmsgId;
    }

    //step 1 query history message from local db
    std::vector<MessageEntity> msgListTemp;
    module::getDatabaseModule()->sqlGetHistoryMessage(sId, topMsgId, nMsgCount, msgListTemp);

    //step 2 compare the topMsgId to latest local db msgId and check which is sequential
    if (!msgListTemp.empty())
    {
        //todo 还有优化的余地，取出的比msgCount+1的数量，看是否连续的。
        MessageEntity& latestMsgEntity = msgListTemp.front();
        MessageEntity& firstMsgEntity = msgListTemp.back();
        if ((topMsgId == latestMsgEntity.msgId) && ((firstMsgEntity.msgId + nMsgCount - 1) == latestMsgEntity.msgId))
        {
            msgList = msgListTemp;
            setSessionTopMsgId(sId, firstMsgEntity.msgId-1);
            return TRUE;
        }
    }

    //final fetch history message from server db
    imcore::IMLibCoreStartOperationWithLambda(
        [=]()mutable
    {
        LOG__(APP, _T("IMGetMsgListReq history message ,sessionId = %s,sessionName=%s,last msgId = %d,Count = %d")
        , util::stringToCString(sessEntity.sessionID)
        ,sessEntity.getName()
        ,topMsgId, nMsgCount);
        IM::Message::IMGetMsgListReq imGetMsgListReq;
        imGetMsgListReq.set_user_id(module::getSysConfigModule()->userId());
        imGetMsgListReq.set_session_type((IM::BaseDefine::SessionType)sessEntity.sessionType);
        imGetMsgListReq.set_session_id(sessEntity.getOriginIntegerSessionId());
        imGetMsgListReq.set_msg_id_begin(topMsgId);//服务端是包含当前的那一条的
        imGetMsgListReq.set_msg_cnt(nMsgCount);

        UInt16 reserved = (TRUE == scrollBottom) ? imcore::RESERVED_TYPE_HISTORY_SCROLLBOTTOM_MESSAGE : imcore::RESERVED_TYPE_HISTORY_MESSAGE;
        module::getTcpClientModule()->sendPacket(IM::BaseDefine::SID_MSG
        , IM::BaseDefine::CID_MSG_LIST_REQUEST, reserved
        , &imGetMsgListReq);
    }
    );
    return FALSE;
}

Example #2

File: ClientConn.cpp Project: vonway/teamtalk-server

uint32_t ClientConn::getMsgList(uint32_t nUserId, IM::BaseDefine::SessionType nType, uint32_t nPeerId, uint32_t nMsgId, uint32_t nMsgCnt)
{
    CImPdu cPdu;
    IM::Message::IMGetMsgListReq msg;
    msg.set_user_id(nUserId);
    msg.set_session_type(nType);
    msg.set_session_id(nPeerId);
    msg.set_msg_id_begin(nMsgId);
    msg.set_msg_cnt(nMsgCnt);
    cPdu.SetPBMsg(&msg);
    cPdu.SetServiceId(IM::BaseDefine::SID_MSG);
    cPdu.SetCommandId(IM::BaseDefine::CID_MSG_LIST_REQUEST);
    uint32_t nSeqNo = m_pSeqAlloctor->getSeq(ALLOCTOR_PACKET);
    cPdu.SetSeqNum(nSeqNo);
    SendPdu(&cPdu);
    return nSeqNo;
}