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C++ Process::SendPreCommitToProcess方法代码示例

本文整理汇总了C++中Process::SendPreCommitToProcess方法的典型用法代码示例。如果您正苦于以下问题:C++ Process::SendPreCommitToProcess方法的具体用法?C++ Process::SendPreCommitToProcess怎么用?C++ Process::SendPreCommitToProcess使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Process的用法示例。


在下文中一共展示了Process::SendPreCommitToProcess方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: NewCoordinatorMode


//.........这里部分代码省略.........

    p->SendStateReqToAll(msg);
    outf << "sent state req" << endl;
    p->WaitForStates();
    ProcessState my_st = p->get_my_state();

    // if(p->get_pid() == 1) return NULL;

    bool aborted = false;
    for (const auto& ps : p->participant_state_map_) {
        if (ps.second == ABORTED)
        {
            aborted = true;
            break;
        }
    }

    if (my_st == ABORTED || aborted)
    {
        if (my_st != ABORTED)
        {
            p->LogAbort();
            //only log if other process is abort.
            //if i know aborted, means already in log abort
            my_st = ABORTED;

        }

        for (const auto& ps : p->participant_state_map_) {
            p->SendAbortToProcess(ps.first);
        }
        p->set_my_state(ABORTED);
        p->RemoveThreadFromSet(pthread_self());
        return NULL;
    }

    bool committed = false;
    for (const auto& ps : p->participant_state_map_) {
        if (ps.second == COMMITTED)
        {
            committed = true;
            break;
        }
    }

    if (my_st == COMMITTED || committed)
    {
        if (my_st != COMMITTED)
        {
            p->LogCommit();
            my_st = COMMITTED;
        }
        p->SendCommitToAll();
        p->set_my_state(COMMITTED);
        p->RemoveThreadFromSet(pthread_self());
        return NULL;
    }


    bool uncert = true;
    for (const auto& ps : p->participant_state_map_) {
        if (ps.second == PROCESSTIMEOUT)continue;
        if (ps.second != UNCERTAIN)
        {
            uncert = false;
            break;
        }
    }
    if (uncert && my_st == UNCERTAIN)
    {
        outf << "sending abort" << endl;
        p->LogAbort();
        for (const auto& ps : p->participant_state_map_) {
            p->SendAbortToProcess(ps.first);
        }
        p->set_my_state(ABORTED);
        p->RemoveThreadFromSet(pthread_self());
        return NULL;
    }

    //else
    //some are commitable
    p->LogPreCommit();
    outf << "sending precommit"<< endl;
    for (const auto& ps : p->participant_state_map_) {
        p->SendPreCommitToProcess(ps.first);
    }
    p->WaitForAck();
    p->LogCommit();
    p->set_my_state(COMMITTED);
    p->SendCommitToAll();
    outf << "sent commit " << endl;
    if (my_st == ABORTED)
        p->prev_decisions_.push_back(ABORT);
    else
        p->prev_decisions_.push_back(COMMIT);

    p->RemoveThreadFromSet(pthread_self());
    return NULL;
}
开发者ID:shobhit6993,项目名称:3-phase-commit,代码行数:101,代码来源:coordinator.cpp


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