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C++ mutation_ptr::create_ts_ns方法代码示例

本文整理汇总了C++中mutation_ptr::create_ts_ns方法的典型用法代码示例。如果您正苦于以下问题:C++ mutation_ptr::create_ts_ns方法的具体用法?C++ mutation_ptr::create_ts_ns怎么用?C++ mutation_ptr::create_ts_ns使用的例子?那么恭喜您, 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mutation_ptr的用法示例。


在下文中一共展示了mutation_ptr::create_ts_ns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: execute_mutation

void replica::execute_mutation(mutation_ptr& mu)
{
    dinfo("%s: execute mutation %s: request_count = %u",
        name(), 
        mu->name(), 
        static_cast<int>(mu->client_requests.size())
        );

    error_code err = ERR_OK;
    decree d = mu->data.header.decree;

    switch (status())
    {
    case partition_status::PS_INACTIVE:
        if (_app->last_committed_decree() + 1 == d)
        {
            err = _app->write_internal(mu);
        }
        else
        {
            ddebug(
                "%s: mutation %s commit to %s skipped, app.last_committed_decree = %" PRId64,
                name(), mu->name(),
                enum_to_string(status()),
                _app->last_committed_decree()
                );
        }
        break;
    case partition_status::PS_PRIMARY:
        {
            check_state_completeness();
            dassert(_app->last_committed_decree() + 1 == d, "");
            err = _app->write_internal(mu);
        }
        break;

    case partition_status::PS_SECONDARY:
        if (!_secondary_states.checkpoint_is_running)
        {
            check_state_completeness();
            dassert (_app->last_committed_decree() + 1 == d, "");
            err = _app->write_internal(mu);
        }
        else
        {
            ddebug(
                "%s: mutation %s commit to %s skipped, app.last_committed_decree = %" PRId64,
                name(), mu->name(),
                enum_to_string(status()),
                _app->last_committed_decree()
                );

            // make sure private log saves the state
            // catch-up will be done later after checkpoint task is fininished
            dassert(_private_log != nullptr, "");          
        }
        break;
    case partition_status::PS_POTENTIAL_SECONDARY:
        if (_potential_secondary_states.learning_status == learner_status::LearningSucceeded ||
            _potential_secondary_states.learning_status == learner_status::LearningWithPrepareTransient)
        {
            dassert(_app->last_committed_decree() + 1 == d, "");
            err = _app->write_internal(mu);
        }
        else
        {
            // prepare also happens with learner_status::LearningWithPrepare, in this case
            // make sure private log saves the state,
            // catch-up will be done later after the checkpoint task is finished

            ddebug(
                "%s: mutation %s commit to %s skipped, app.last_committed_decree = %" PRId64,
                name(), mu->name(),
                enum_to_string(status()),
                _app->last_committed_decree()
                );
        }
        break;
    case partition_status::PS_ERROR:
        break;
    }
    
    ddebug("TwoPhaseCommit, %s: mutation %s committed, err = %s", name(), mu->name(), err.to_string());

    _counter_commit_latency.set(dsn_now_ns() - mu->create_ts_ns());

    if (err != ERR_OK)
    {
        handle_local_failure(err);
    }

    if (status() == partition_status::PS_PRIMARY)
    {
        mutation_ptr next = _primary_states.write_queue.check_possible_work(
            static_cast<int>(_prepare_list->max_decree() - d)
            );

        if (next)
        {
            init_prepare(next);
//.........这里部分代码省略.........
开发者ID:ykwd,项目名称:rDSN,代码行数:101,代码来源:replica.cpp


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