Exemple #1
0
    void doLedgerData (Job&, LedgerHash hash)
    {
        InboundLedger::pointer ledger = find (hash);

        if (ledger)
            ledger->runData ();
    }
Exemple #2
0
    /** We received a TMLedgerData from a peer.
    */
    bool gotLedgerData (LedgerHash const& hash,
            std::shared_ptr<Peer> peer,
            std::shared_ptr<protocol::TMLedgerData> packet_ptr)
    {
        protocol::TMLedgerData& packet = *packet_ptr;

        WriteLog (lsTRACE, InboundLedger) << "Got data (" << packet.nodes ().size () << ") for acquiring ledger: " << hash;

        InboundLedger::pointer ledger = find (hash);

        if (!ledger)
        {
            WriteLog (lsTRACE, InboundLedger) << "Got data for ledger we're no longer acquiring";

            // If it's state node data, stash it because it still might be useful
            if (packet.type () == protocol::liAS_NODE)
            {
                getApp().getJobQueue().addJob(jtLEDGER_DATA, "gotStaleData",
                    std::bind(&InboundLedgers::gotStaleData, this, packet_ptr));
            }

            return false;
        }

        // Stash the data for later processing and see if we need to dispatch
        if (ledger->gotData(std::weak_ptr<Peer>(peer), packet_ptr))
            getApp().getJobQueue().addJob (jtLEDGER_DATA, "processLedgerData",
                std::bind (&InboundLedgers::doLedgerData, this,
                           std::placeholders::_1, hash));

        return true;
    }
Exemple #3
0
    // VFALCO TODO Should this be called findOrAdd ?
    //
    InboundLedger::pointer findCreate (uint256 const& hash, std::uint32_t seq, InboundLedger::fcReason reason)
    {
        assert (hash.isNonZero ());
        InboundLedger::pointer ret;

        // Ensure that any previous IL is destroyed outside the lock
        InboundLedger::pointer oldLedger;

        {
            ScopedLockType sl (mLock);

            if (! isStopping ())
            {

                if (reason == InboundLedger::fcCONSENSUS)
                {
                    if (mConsensusLedger.isNonZero() && (mValidationLedger != mConsensusLedger) && (hash != mConsensusLedger))
                    {
                        hash_map<uint256, InboundLedger::pointer>::iterator it = mLedgers.find (mConsensusLedger);
                        if (it != mLedgers.end ())
                        {
                            oldLedger = it->second;
                            mLedgers.erase (it);
                        }
                    }
                    mConsensusLedger = hash;
                }
                else if (reason == InboundLedger::fcVALIDATION)
                {
                    if (mValidationLedger.isNonZero() && (mValidationLedger != mConsensusLedger) && (hash != mValidationLedger))
                    {
                        hash_map<uint256, InboundLedger::pointer>::iterator it = mLedgers.find (mValidationLedger);
                        if (it != mLedgers.end ())
                        {
                            oldLedger = it->second;
                            mLedgers.erase (it);
                       }
                    }
                    mValidationLedger = hash;
                }

                hash_map<uint256, InboundLedger::pointer>::iterator it = mLedgers.find (hash);
                if (it != mLedgers.end ())
                {
                    ret = it->second;
                    // FIXME: Should set the sequence if it's not set
                }
                else
                {
                    ret = std::make_shared <InboundLedger> (hash, seq, reason, std::ref (m_clock));
                    assert (ret);
                    mLedgers.insert (std::make_pair (hash, ret));
                    ret->init (sl);
                    ++mCounter;
                }
            }
        }

        return ret;
    }
bool InboundLedgers::awaitLedgerData (uint256 const& ledgerHash)
{
    InboundLedger::pointer ledger = find (ledgerHash);

    if (!ledger)
        return false;

    ledger->awaitData ();
    return true;
}
Exemple #5
0
    Ledger::pointer acquire (uint256 const& hash, std::uint32_t seq, InboundLedger::fcReason reason)
    {
        assert (hash.isNonZero ());
        InboundLedger::pointer inbound;
        {
            ScopedLockType sl (mLock);

            if (! isStopping ())
            {
                auto it = mLedgers.find (hash);
                if (it != mLedgers.end ())
                {
                    inbound = it->second;

                    // If the acquisition failed, don't mark the item as
                    // recently accessed so that it can expire.
                    if (! inbound->isFailed ())
                        inbound->update (seq);
                }
                else
                {
                    inbound = std::make_shared <InboundLedger> (
                        hash, seq, reason, std::ref (m_clock));
                    mLedgers.emplace (hash, inbound);
                    inbound->init (sl);
                    ++mCounter;
                }
            }
        }
        if (inbound && inbound->isComplete ())
            return inbound->getLedger();
        return {};
    }
InboundLedger::pointer InboundLedgers::findCreate (uint256 const& hash, uint32 seq)
{
    assert (hash.isNonZero ());
    InboundLedger::pointer ret;

    {
        boost::mutex::scoped_lock sl (mLock);

        boost::unordered_map<uint256, InboundLedger::pointer>::iterator it = mLedgers.find (hash);
        if (it != mLedgers.end ())
        {
            ret = it->second;
            // FIXME: Should set the sequence if it's not set
        }
        else
        {
            ret = boost::make_shared<InboundLedger> (hash, seq);
            assert (ret);
            mLedgers.insert (std::make_pair (hash, ret));

            if (!ret->tryLocal())
            {
                ret->addPeers ();
                ret->setTimer (); // Cannot call in constructor
            }
            else if (!ret->isFailed ())
            {
                WriteLog (lsDEBUG, InboundLedger) << "Acquiring ledger we already have locally: " << hash;
                Ledger::pointer ledger = ret->getLedger ();
                ledger->setClosed ();
                ledger->setImmutable ();
                getApp().getLedgerMaster ().storeLedger (ledger);
            }
        }
    }

    return ret;
}
// means "We got some data from an inbound ledger"
void InboundLedgers::gotLedgerData (Job&, uint256 hash,
        boost::shared_ptr<protocol::TMLedgerData> packet_ptr, boost::weak_ptr<Peer> wPeer)
{
    protocol::TMLedgerData& packet = *packet_ptr;
    Peer::pointer peer = wPeer.lock ();

    WriteLog (lsTRACE, InboundLedger) << "Got data (" << packet.nodes ().size () << ") for acquiring ledger: " << hash;

    InboundLedger::pointer ledger = find (hash);

    if (!ledger)
    {
        WriteLog (lsTRACE, InboundLedger) << "Got data for ledger we're not acquiring";

        if (peer)
            peer->applyLoadCharge (LT_InvalidRequest);

        return;
    }

    ledger->noAwaitData ();

    if (!peer)
        return;

    if (packet.type () == protocol::liBASE)
    {
        if (packet.nodes_size () < 1)
        {
            WriteLog (lsWARNING, InboundLedger) << "Got empty base data";
            peer->applyLoadCharge (LT_InvalidRequest);
            return;
        }

        if (!ledger->takeBase (packet.nodes (0).nodedata ()))
        {
            WriteLog (lsWARNING, InboundLedger) << "Got invalid base data";
            peer->applyLoadCharge (LT_InvalidRequest);
            return;
        }

        SHAMapAddNode san = SHAMapAddNode::useful ();

        if ((packet.nodes ().size () > 1) && !ledger->takeAsRootNode (strCopy (packet.nodes (1).nodedata ()), san))
        {
            WriteLog (lsWARNING, InboundLedger) << "Included ASbase invalid";
        }

        if ((packet.nodes ().size () > 2) && !ledger->takeTxRootNode (strCopy (packet.nodes (2).nodedata ()), san))
        {
            WriteLog (lsWARNING, InboundLedger) << "Included TXbase invalid";
        }

        if (!san.isInvalid ())
        {
            ledger->progress ();
            ledger->trigger (peer);
        }
        else
            WriteLog (lsDEBUG, InboundLedger) << "Peer sends invalid base data";

        return;
    }

    if ((packet.type () == protocol::liTX_NODE) || (packet.type () == protocol::liAS_NODE))
    {
        std::list<SHAMapNode> nodeIDs;
        std::list< Blob > nodeData;

        if (packet.nodes ().size () <= 0)
        {
            WriteLog (lsINFO, InboundLedger) << "Got response with no nodes";
            peer->applyLoadCharge (LT_InvalidRequest);
            return;
        }

        for (int i = 0; i < packet.nodes ().size (); ++i)
        {
            const protocol::TMLedgerNode& node = packet.nodes (i);

            if (!node.has_nodeid () || !node.has_nodedata ())
            {
                WriteLog (lsWARNING, InboundLedger) << "Got bad node";
                peer->applyLoadCharge (LT_InvalidRequest);
                return;
            }

            nodeIDs.push_back (SHAMapNode (node.nodeid ().data (), node.nodeid ().size ()));
            nodeData.push_back (Blob (node.nodedata ().begin (), node.nodedata ().end ()));
        }

        SHAMapAddNode ret;

        if (packet.type () == protocol::liTX_NODE)
            ledger->takeTxNode (nodeIDs, nodeData, ret);
        else
            ledger->takeAsNode (nodeIDs, nodeData, ret);

        if (!ret.isInvalid ())
        {
            ledger->progress ();
            ledger->trigger (peer);
        }
        else
            WriteLog (lsDEBUG, InboundLedger) << "Peer sends invalid node data";

        return;
    }

    WriteLog (lsWARNING, InboundLedger) << "Not sure what ledger data we got";
    peer->applyLoadCharge (LT_InvalidRequest);
}