C++ Journal::error方法代码示例

    std::shared_ptr<Ledger const>
    acquire(uint256 const& hash, std::uint32_t seq,
        InboundLedger::Reason reason) override
    {
        assert(hash.isNonZero());
        assert(reason != InboundLedger::Reason::SHARD ||
            (seq != 0 && app_.getShardStore()));
        if (isStopping())
            return {};

        bool isNew = true;
        std::shared_ptr<InboundLedger> inbound;
        {
            ScopedLockType sl(mLock);
            auto it = mLedgers.find(hash);
            if (it != mLedgers.end())
            {
                isNew = false;
                inbound = it->second;
            }
            else
            {
                inbound = std::make_shared <InboundLedger>(
                    app_, hash, seq, reason, std::ref(m_clock));
                mLedgers.emplace(hash, inbound);
                inbound->init(sl);
                ++mCounter;
            }
        }

        if (inbound->isFailed())
            return {};

        if (! isNew)
            inbound->update(seq);

        if (! inbound->isComplete())
            return {};

        if (reason == InboundLedger::Reason::HISTORY)
        {
            if (inbound->getLedger()->stateMap().family().isShardBacked())
                app_.getNodeStore().copyLedger(inbound->getLedger());
        }
        else if (reason == InboundLedger::Reason::SHARD)
        {
            auto shardStore = app_.getShardStore();
            if (!shardStore)
            {
                JLOG(j_.error()) <<
                    "Acquiring shard with no shard store available";
                return {};
            }
            if (inbound->getLedger()->stateMap().family().isShardBacked())
                shardStore->setStored(inbound->getLedger());
            else
                shardStore->copyLedger(inbound->getLedger());
        }
        return inbound->getLedger();
    }

void Stoppable::stopRecursive (beast::Journal j)
{
    // Block on each child from the bottom of the tree up.
    //
    for (Children::const_iterator iter (m_children.cbegin ());
        iter != m_children.cend(); ++iter)
        iter->stoppable->stopRecursive (j);

    // if we get here then all children have stopped
    //
    m_childrenStopped = true;
    onChildrenStopped ();

    // Now block on this Stoppable.
    //
    bool const timedOut (! m_stoppedEvent.wait (1 * 1000)); // milliseconds
    if (timedOut)
    {
        if (auto stream = j.error())
            stream << "Waiting for '" << m_name << "' to stop";
        m_stoppedEvent.wait ();
    }

    // once we get here, we know the stoppable has stopped.
    m_stopped = true;
}

    void do_work (CompletionCounter)
    {
        if (m_stop_called == true)
            return;

        // We don't have any work to do at this time
        if (m_work.empty ())
            return;

        std::string const name (m_work.front ().names.back());
        HandlerType handler (m_work.front ().handler);

        m_work.front ().names.pop_back ();

        if (m_work.front ().names.empty ())
            m_work.pop_front();

        HostAndPort const hp (parseName (name));

        if (hp.first.empty ())
        {
            JLOG(m_journal.error()) <<
                "Unable to parse '" << name << "'";

            m_io_service.post (m_strand.wrap (std::bind (
                &ResolverAsioImpl::do_work, this,
                CompletionCounter (this))));

            return;
        }

        boost::asio::ip::tcp::resolver::query query (
            hp.first, hp.second);

        m_resolver.async_resolve (query, std::bind (
            &ResolverAsioImpl::do_finish, this, name,
                std::placeholders::_1, handler,
                    std::placeholders::_2,
                        CompletionCounter (this)));
    }