Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 0 insertions, 728 deletions

diff --git a/cpp/src/qpid/cluster/Connection.cpp b/cpp/src/qpid/cluster/Connection.cpp
deleted file mode 100644
index b9895290e9..0000000000
--- a/cpp/src/qpid/cluster/Connection.cpp
+++ /dev/null
@@ -1,728 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-#include "qpid/amqp_0_10/Codecs.h"
-#include "Connection.h"
-#include "UpdateClient.h"
-#include "Cluster.h"
-#include "UpdateReceiver.h"
-#include "qpid/assert.h"
-#include "qpid/broker/SessionState.h"
-#include "qpid/broker/SemanticState.h"
-#include "qpid/broker/TxBuffer.h"
-#include "qpid/broker/TxPublish.h"
-#include "qpid/broker/TxAccept.h"
-#include "qpid/broker/RecoveredEnqueue.h"
-#include "qpid/broker/RecoveredDequeue.h"
-#include "qpid/broker/Exchange.h"
-#include "qpid/broker/Fairshare.h"
-#include "qpid/broker/Link.h"
-#include "qpid/broker/Bridge.h"
-#include "qpid/broker/StatefulQueueObserver.h"
-#include "qpid/broker/Queue.h"
-#include "qpid/framing/enum.h"
-#include "qpid/framing/AMQFrame.h"
-#include "qpid/framing/AllInvoker.h"
-#include "qpid/framing/DeliveryProperties.h"
-#include "qpid/framing/ClusterConnectionDeliverCloseBody.h"
-#include "qpid/framing/ClusterConnectionAnnounceBody.h"
-#include "qpid/framing/ConnectionCloseBody.h"
-#include "qpid/framing/ConnectionCloseOkBody.h"
-#include "qpid/log/Statement.h"
-#include "qpid/sys/ClusterSafe.h"
-#include "qpid/types/Variant.h"
-#include "qpid/management/ManagementAgent.h"
-#include <boost/current_function.hpp>
-
-
-namespace qpid {
-namespace cluster {
-
-using namespace framing;
-using namespace framing::cluster;
-using amqp_0_10::ListCodec;
-using types::Variant;
-
-qpid::sys::AtomicValue<uint64_t> Connection::catchUpId(0x5000000000000000LL);
-
-Connection::NullFrameHandler Connection::nullFrameHandler;
-
-struct NullFrameHandler : public framing::FrameHandler {
-    void handle(framing::AMQFrame&) {}
-};
-
-
-namespace {
-sys::AtomicValue<uint64_t> idCounter;
-const std::string shadowPrefix("[shadow]");
-}
-
-
-// Shadow connection
-Connection::Connection(Cluster& c, sys::ConnectionOutputHandler& out,
-                       const std::string& mgmtId,
-                       const ConnectionId& id, const qpid::sys::SecuritySettings& external)
-    : cluster(c), self(id), catchUp(false), announced(false), output(*this, out),
-      connectionCtor(&output, cluster.getBroker(), mgmtId, external, false, 0, true),
-      expectProtocolHeader(false),
-      mcastFrameHandler(cluster.getMulticast(), self),
-      updateIn(c.getUpdateReceiver()),
-      secureConnection(0)
-{}
-
-// Local connection
-Connection::Connection(Cluster& c, sys::ConnectionOutputHandler& out,
-                       const std::string& mgmtId, MemberId member,
-                       bool isCatchUp, bool isLink, const qpid::sys::SecuritySettings& external
-) : cluster(c), self(member, ++idCounter), catchUp(isCatchUp), announced(false), output(*this, out),
-    connectionCtor(&output, cluster.getBroker(),
-                   mgmtId,
-                   external,
-                   isLink,
-                   isCatchUp ? ++catchUpId : 0,
-                   isCatchUp),  // isCatchUp => shadow
-    expectProtocolHeader(isLink),
-    mcastFrameHandler(cluster.getMulticast(), self),
-    updateIn(c.getUpdateReceiver()),
-    secureConnection(0)
-{
-    if (isLocalClient()) {
-        giveReadCredit(cluster.getSettings().readMax); // Flow control
-        // Delay adding the connection to the management map until announce()
-        connectionCtor.delayManagement = true;
-    }
-    else {
-        // Catch-up shadow connections initialized using nextShadow id.
-        assert(catchUp);
-        if (!updateIn.nextShadowMgmtId.empty())
-            connectionCtor.mgmtId = updateIn.nextShadowMgmtId;
-        updateIn.nextShadowMgmtId.clear();
-     }
-    init();
-    QPID_LOG(debug, cluster << " local connection " << *this);
-}
-
-void Connection::setSecureConnection(broker::SecureConnection* sc) {
-    secureConnection = sc;
-    if (connection.get()) connection->setSecureConnection(sc);
-}
-
-void Connection::init() {
-    connection = connectionCtor.construct();
-    if (isLocalClient()) {
-        if (secureConnection) connection->setSecureConnection(secureConnection);
-        // Actively send cluster-order frames from local node
-        connection->setClusterOrderOutput(mcastFrameHandler);
-    }
-    else {                      // Shadow or catch-up connection
-        // Passive, discard cluster-order frames
-        connection->setClusterOrderOutput(nullFrameHandler);
-        // Disable client throttling, done by active node.
-        connection->setClientThrottling(false);
-    }
-    if (!isCatchUp())
-        connection->setErrorListener(this);
-}
-
-// Called when we have consumed a read buffer to give credit to the
-// connection layer to continue reading.
-void Connection::giveReadCredit(int credit) {
-    if (cluster.getSettings().readMax && credit)
-        output.giveReadCredit(credit);
-}
-
-void Connection::announce(
-    const std::string& mgmtId, uint32_t ssf, const std::string& authid, bool nodict,
-    const std::string& username, const std::string& initialFrames)
-{
-    QPID_ASSERT(mgmtId == connectionCtor.mgmtId);
-    QPID_ASSERT(ssf == connectionCtor.external.ssf);
-    QPID_ASSERT(authid == connectionCtor.external.authid);
-    QPID_ASSERT(nodict == connectionCtor.external.nodict);
-    // Local connections are already initialized but with management delayed.
-    if (isLocalClient()) {
-        connection->addManagementObject();
-    }
-    else if (isShadow()) {
-        init();
-        // Play initial frames into the connection.
-        Buffer buf(const_cast<char*>(initialFrames.data()), initialFrames.size());
-        AMQFrame frame;
-        while (frame.decode(buf))
-            connection->received(frame);
-         connection->setUserId(username);
-    }
-    // Do managment actions now that the connection is replicated.
-    connection->raiseConnectEvent();
-    QPID_LOG(debug, cluster << " replicated connection " << *this);
-}
-
-Connection::~Connection() {
-    if (connection.get()) connection->setErrorListener(0);
-    // Don't trigger cluster-safe asserts in broker:: ~Connection as
-    // it may be called in an IO thread context during broker
-    // shutdown.
-    sys::ClusterSafeScope css;
-    connection.reset();
-}
-
-bool Connection::doOutput() {
-    return output.doOutput();
-}
-
-// Received from a directly connected client.
-void Connection::received(framing::AMQFrame& f) {
-    if (!connection.get()) {
-        QPID_LOG(warning, cluster << " ignoring frame on closed connection "
-                 << *this << ": " << f);
-        return;
-    }
-    QPID_LOG(trace, cluster << " RECV " << *this << ": " << f);
-    if (isLocal()) {            // Local catch-up connection.
-        currentChannel = f.getChannel();
-        if (!framing::invoke(*this, *f.getBody()).wasHandled())
-            connection->received(f);
-    }
-    else {             // Shadow or updated catch-up connection.
-        if (f.getMethod() && f.getMethod()->isA<ConnectionCloseBody>()) {
-            if (isShadow())
-                cluster.addShadowConnection(this);
-            AMQFrame ok((ConnectionCloseOkBody()));
-            connection->getOutput().send(ok);
-            output.closeOutput();
-            catchUp = false;
-        }
-        else
-            QPID_LOG(warning, cluster << " ignoring unexpected frame " << *this << ": " << f);
-    }
-}
-
-bool Connection::checkUnsupported(const AMQBody& body) {
-    std::string message;
-    if (body.getMethod()) {
-        switch (body.getMethod()->amqpClassId()) {
-          case DTX_CLASS_ID: message = "DTX transactions are not currently supported by cluster."; break;
-        }
-    }
-    if (!message.empty())
-        connection->close(connection::CLOSE_CODE_FRAMING_ERROR, message);
-    return !message.empty();
-}
-
-struct GiveReadCreditOnExit {
-    Connection& connection;
-    int credit;
-    GiveReadCreditOnExit(Connection& connection_, int credit_) :
-        connection(connection_), credit(credit_) {}
-    ~GiveReadCreditOnExit() { if (credit) connection.giveReadCredit(credit); }
-};
-
-void Connection::deliverDoOutput(uint32_t limit) {
-    output.deliverDoOutput(limit);
-}
-
-// Called in delivery thread, in cluster order.
-void Connection::deliveredFrame(const EventFrame& f) {
-    GiveReadCreditOnExit gc(*this, f.readCredit);
-    assert(!catchUp);
-    currentChannel = f.frame.getChannel();
-    if (f.frame.getBody()       // frame can be emtpy with just readCredit
-        && !framing::invoke(*this, *f.frame.getBody()).wasHandled() // Connection contol.
-        && !checkUnsupported(*f.frame.getBody())) // Unsupported operation.
-    {
-        if (f.type == DATA) // incoming data frames to broker::Connection
-            connection->received(const_cast<AMQFrame&>(f.frame));
-        else {           // frame control, send frame via SessionState
-            broker::SessionState* ss = connection->getChannel(currentChannel).getSession();
-            if (ss) ss->out(const_cast<AMQFrame&>(f.frame));
-        }
-    }
-}
-
-// A local connection is closed by the network layer. Called in the connection thread.
-void Connection::closed() {
-    try {
-        if (isUpdated()) {
-            QPID_LOG(debug, cluster << " update connection closed " << *this);
-            close();
-            cluster.updateInClosed();
-        }
-        else if (catchUp && cluster.isExpectingUpdate()) {
-            QPID_LOG(critical, cluster << " catch-up connection closed prematurely " << *this);
-            cluster.leave();
-        }
-        else if (isLocal()) {
-            // This was a local replicated connection. Multicast a deliver
-            // closed and process any outstanding frames from the cluster
-            // until self-delivery of deliver-close.
-            output.closeOutput();
-            if (announced)
-                cluster.getMulticast().mcastControl(
-                    ClusterConnectionDeliverCloseBody(), self);
-        }
-    }
-    catch (const std::exception& e) {
-        QPID_LOG(error, cluster << " error closing connection " << *this << ": " << e.what());
-    }
-}
-
-// Self-delivery of close message, close the connection.
-void Connection::deliverClose () {
-    close();
-    cluster.erase(self);
-}
-
-// Close the connection
-void Connection::close() {
-    if (connection.get()) {
-        QPID_LOG(debug, cluster << " closed connection " << *this);
-        connection->closed();
-        connection.reset();
-    }
-}
-
-// The connection has sent invalid data and should be aborted.
-// All members will get the same abort since they all process the same data.
-void Connection::abort() {
-    connection->abort();
-    // Aborting the connection will result in a call to ::closed()
-    // and allow the connection to close in an orderly manner.
-}
-
-// ConnectionCodec::decode receives read buffers from  directly-connected clients.
-size_t Connection::decode(const char* data, size_t size) {
-    GiveReadCreditOnExit grc(*this, 1);   // Give a read credit by default.
-    const char* ptr = data;
-    const char* end = data + size;
-    if (catchUp) {              // Handle catch-up locally.
-        if (!cluster.isExpectingUpdate()) {
-            QPID_LOG(error, "Rejecting unexpected catch-up connection.");
-            abort();            // Cluster is not expecting catch-up connections.
-        }
-        bool wasOpen = connection->isOpen();
-        Buffer buf(const_cast<char*>(ptr), size);
-        ptr += size;
-        while (localDecoder.decode(buf))
-            received(localDecoder.getFrame());
-        if (!wasOpen && connection->isOpen()) {
-            // Connections marked as federation links are allowed to proxy
-            // messages with user-ID that doesn't match the connection's
-            // authenticated ID. This is important for updates.
-            connection->setFederationLink(isCatchUp());
-        }
-    }
-    else {                      // Multicast local connections.
-        assert(isLocalClient());
-        assert(connection.get());
-        if (!checkProtocolHeader(ptr, size)) // Updates ptr
-            return 0; // Incomplete header
-
-        if (!connection->isOpen())
-            processInitialFrames(ptr, end-ptr); // Updates ptr
-
-        if (connection->isOpen() && end - ptr > 0) {
-            // We're multi-casting, we will give read credit on delivery.
-            grc.credit = 0;
-            cluster.getMulticast().mcastBuffer(ptr, end - ptr, self);
-            ptr = end;
-        }
-    }
-    return ptr - data;
-}
-
-// Decode the protocol header if needed. Updates data and size
-// returns true if the header is complete or already read.
-bool Connection::checkProtocolHeader(const char*& data, size_t size) {
-    if (expectProtocolHeader) {
-        // This is an outgoing link connection, we will receive a protocol
-        // header which needs to be decoded first
-        framing::ProtocolInitiation pi;
-        Buffer buf(const_cast<char*&>(data), size);
-        if (pi.decode(buf)) {
-            //TODO: check the version is correct
-            expectProtocolHeader = false;
-            data += pi.encodedSize();
-        } else {
-            return false;
-        }
-    }
-    return true;
-}
-
-void Connection::processInitialFrames(const char*& ptr, size_t size) {
-    // Process the initial negotiation locally and store it so
-    // it can be replayed on other brokers in announce()
-    Buffer buf(const_cast<char*>(ptr), size);
-    framing::AMQFrame frame;
-    while (!connection->isOpen() && frame.decode(buf))
-        received(frame);
-    initialFrames.append(ptr, buf.getPosition());
-    ptr += buf.getPosition();
-    if (connection->isOpen()) { // initial negotiation complete
-        cluster.getMulticast().mcastControl(
-            ClusterConnectionAnnounceBody(
-                ProtocolVersion(),
-                connectionCtor.mgmtId,
-                connectionCtor.external.ssf,
-                connectionCtor.external.authid,
-                connectionCtor.external.nodict,
-                connection->getUserId(),
-                initialFrames),
-            getId());
-        announced = true;
-        initialFrames.clear();
-    }
-}
-
-broker::SessionState& Connection::sessionState() {
-    return *connection->getChannel(currentChannel).getSession();
-}
-
-broker::SemanticState& Connection::semanticState() {
-    return sessionState().getSemanticState();
-}
-
-void Connection::shadowPrepare(const std::string& mgmtId) {
-    updateIn.nextShadowMgmtId = mgmtId;
-}
-
-void Connection::shadowSetUser(const std::string& userId) {
-    connection->setUserId(userId);
-}
-
-void Connection::consumerState(const string& name, bool blocked, bool notifyEnabled, const SequenceNumber& position)
-{
-    broker::SemanticState::ConsumerImpl& c = semanticState().find(name);
-    c.position = position;
-    c.setBlocked(blocked);
-    if (notifyEnabled) c.enableNotify(); else c.disableNotify();
-    updateIn.consumerNumbering.add(c.shared_from_this());
-}
-
-
-void Connection::sessionState(
-    const SequenceNumber& replayStart,
-    const SequenceNumber& sendCommandPoint,
-    const SequenceSet& sentIncomplete,
-    const SequenceNumber& expected,
-    const SequenceNumber& received,
-    const SequenceSet& unknownCompleted,
-    const SequenceSet& receivedIncomplete)
-{
-    sessionState().setState(
-        replayStart,
-        sendCommandPoint,
-        sentIncomplete,
-        expected,
-        received,
-        unknownCompleted,
-        receivedIncomplete);
-    QPID_LOG(debug, cluster << " received session state update for " << sessionState().getId());
-    // The output tasks will be added later in the update process.
-    connection->getOutputTasks().removeAll();
-}
-
-void Connection::outputTask(uint16_t channel, const std::string& name) {
-    broker::SessionState* session = connection->getChannel(channel).getSession();
-    if (!session)
-        throw Exception(QPID_MSG(cluster << " channel not attached " << *this
-                                 << "[" <<  channel << "] "));
-    OutputTask* task = &session->getSemanticState().find(name);
-    connection->getOutputTasks().addOutputTask(task);
-}
-
-void Connection::shadowReady(
-    uint64_t memberId, uint64_t connectionId, const string& mgmtId,
-    const string& username, const string& fragment, uint32_t sendMax)
-{
-    QPID_ASSERT(mgmtId == getBrokerConnection()->getMgmtId());
-    ConnectionId shadowId = ConnectionId(memberId, connectionId);
-    QPID_LOG(debug, cluster << " catch-up connection " << *this
-             << " becomes shadow " << shadowId);
-    self = shadowId;
-    connection->setUserId(username);
-    // OK to use decoder here because cluster is stalled for update.
-    cluster.getDecoder().get(self).setFragment(fragment.data(), fragment.size());
-    connection->setErrorListener(this);
-    output.setSendMax(sendMax);
-}
-
-void Connection::membership(const FieldTable& joiners, const FieldTable& members,
-                            const framing::SequenceNumber& frameSeq)
-{
-    QPID_LOG(debug, cluster << " incoming update complete on connection " << *this);
-    updateIn.consumerNumbering.clear();
-    closeUpdated();
-    cluster.updateInDone(ClusterMap(joiners, members, frameSeq));
-}
-
-void Connection::retractOffer() {
-    QPID_LOG(info, cluster << " incoming update retracted on connection " << *this);
-    closeUpdated();
-    cluster.updateInRetracted();
-}
-
-void Connection::closeUpdated() {
-    self.second = 0;      // Mark this as completed update connection.
-    if (connection.get())
-        connection->close(connection::CLOSE_CODE_NORMAL, "OK");
-}
-
-bool Connection::isLocal() const {
-    return self.first == cluster.getId() && self.second;
-}
-
-bool Connection::isShadow() const {
-    return self.first != cluster.getId();
-}
-
-bool Connection::isUpdated() const {
-    return self.first == cluster.getId() && self.second == 0;
-}
-
-
-boost::shared_ptr<broker::Queue> Connection::findQueue(const std::string& qname) {
-    boost::shared_ptr<broker::Queue> queue = cluster.getBroker().getQueues().find(qname);
-    if (!queue) throw Exception(QPID_MSG(cluster << " can't find queue " << qname));
-    return queue;
-}
-
-broker::QueuedMessage Connection::getUpdateMessage() {
-    boost::shared_ptr<broker::Queue> updateq = findQueue(UpdateClient::UPDATE);
-    assert(!updateq->isDurable());
-    broker::QueuedMessage m = updateq->get();
-    if (!m.payload) throw Exception(QPID_MSG(cluster << " empty update queue"));
-    return m;
-}
-
-void Connection::deliveryRecord(const string& qname,
-                                const SequenceNumber& position,
-                                const string& tag,
-                                const SequenceNumber& id,
-                                bool acquired,
-                                bool accepted,
-                                bool cancelled,
-                                bool completed,
-                                bool ended,
-                                bool windowing,
-                                bool enqueued,
-                                uint32_t credit)
-{
-    broker::QueuedMessage m;
-    broker::Queue::shared_ptr queue = findQueue(qname);
-    if (!ended) {               // Has a message
-        if (acquired) {         // Message is on the update queue
-            m = getUpdateMessage();
-            m.queue = queue.get();
-            m.position = position;
-            if (enqueued) queue->updateEnqueued(m); //inform queue of the message
-        } else {                // Message at original position in original queue
-            m = queue->find(position);
-        }
-        if (!m.payload)
-            throw Exception(QPID_MSG("deliveryRecord no update message"));
-    }
-
-    broker::DeliveryRecord dr(m, queue, tag, acquired, accepted, windowing, credit);
-    dr.setId(id);
-    if (cancelled) dr.cancel(dr.getTag());
-    if (completed) dr.complete();
-    if (ended) dr.setEnded();   // Exsitance of message
-    semanticState().record(dr); // Part of the session's unacked list.
-}
-
-void Connection::queuePosition(const string& qname, const SequenceNumber& position) {
-    findQueue(qname)->setPosition(position);
-}
-
-void Connection::queueFairshareState(const std::string& qname, const uint8_t priority, const uint8_t count)
-{
-    if (!qpid::broker::Fairshare::setState(findQueue(qname)->getMessages(), priority, count)) {
-        QPID_LOG(error, "Failed to set fair share state on queue " << qname << "; this will result in inconsistencies.");
-    }
-}
-
-
-namespace {
-    // find a StatefulQueueObserver that matches a given identifier
-    class ObserverFinder {
-        const std::string id;
-        boost::shared_ptr<broker::QueueObserver> target;
-        ObserverFinder(const ObserverFinder&) {}
-    public:
-        ObserverFinder(const std::string& _id) : id(_id) {}
-        broker::StatefulQueueObserver *getObserver()
-        {
-            if (target)
-                return dynamic_cast<broker::StatefulQueueObserver *>(target.get());
-            return 0;
-        }
-        void operator() (boost::shared_ptr<broker::QueueObserver> o)
-        {
-            if (!target) {
-                broker::StatefulQueueObserver *p = dynamic_cast<broker::StatefulQueueObserver *>(o.get());
-                if (p && p->getId() == id) {
-                    target = o;
-                }
-            }
-        }
-    };
-}
-
-
-void Connection::queueObserverState(const std::string& qname, const std::string& observerId, const FieldTable& state)
-{
-    boost::shared_ptr<broker::Queue> queue(findQueue(qname));
-    ObserverFinder finder(observerId);      // find this observer
-    queue->eachObserver<ObserverFinder &>(finder);
-    broker::StatefulQueueObserver *so = finder.getObserver();
-    if (so) {
-        so->setState( state );
-        QPID_LOG(debug, "updated queue observer " << observerId << "'s state on queue " << qname << "; ...");
-        return;
-    }
-    QPID_LOG(error, "Failed to find observer " << observerId << " state on queue " << qname << "; this will result in inconsistencies.");
-}
-
-void Connection::expiryId(uint64_t id) {
-    cluster.getExpiryPolicy().setId(id);
-}
-
-std::ostream& operator<<(std::ostream& o, const Connection& c) {
-    const char* type="unknown";
-    if (c.isLocal()) type = "local";
-    else if (c.isShadow()) type = "shadow";
-    else if (c.isUpdated()) type = "updated";
-    const broker::Connection* bc = c.getBrokerConnection();
-    if (bc) o << bc->getMgmtId();
-    else o << "<disconnected>";
-    return o << "(" << c.getId() << " " << type << (c.isCatchUp() ? ",catchup":"") << ")";
-}
-
-void Connection::txStart() {
-    txBuffer.reset(new broker::TxBuffer());
-}
-void Connection::txAccept(const framing::SequenceSet& acked) {
-    txBuffer->enlist(boost::shared_ptr<broker::TxAccept>(
-                         new broker::TxAccept(acked, semanticState().getUnacked())));
-}
-
-void Connection::txDequeue(const std::string& queue) {
-    txBuffer->enlist(boost::shared_ptr<broker::RecoveredDequeue>(
-                         new broker::RecoveredDequeue(findQueue(queue), getUpdateMessage().payload)));
-}
-
-void Connection::txEnqueue(const std::string& queue) {
-    txBuffer->enlist(boost::shared_ptr<broker::RecoveredEnqueue>(
-                         new broker::RecoveredEnqueue(findQueue(queue), getUpdateMessage().payload)));
-}
-
-void Connection::txPublish(const framing::Array& queues, bool delivered) {
-    boost::shared_ptr<broker::TxPublish> txPub(new broker::TxPublish(getUpdateMessage().payload));
-    for (framing::Array::const_iterator i = queues.begin(); i != queues.end(); ++i)
-        txPub->deliverTo(findQueue((*i)->get<std::string>()));
-    txPub->delivered = delivered;
-    txBuffer->enlist(txPub);
-}
-
-void Connection::txEnd() {
-    semanticState().setTxBuffer(txBuffer);
-}
-
-void Connection::accumulatedAck(const qpid::framing::SequenceSet& s) {
-    semanticState().setAccumulatedAck(s);
-}
-
-void Connection::exchange(const std::string& encoded) {
-    Buffer buf(const_cast<char*>(encoded.data()), encoded.size());
-    broker::Exchange::shared_ptr ex = broker::Exchange::decode(cluster.getBroker().getExchanges(), buf);
-    if(ex.get() && ex->isDurable() && !ex->getName().find("amq.") == 0 && !ex->getName().find("qpid.") == 0) {
-        cluster.getBroker().getStore().create(*(ex.get()), ex->getArgs());
-    }
-    QPID_LOG(debug, cluster << " updated exchange " << ex->getName());
-}
-
-void Connection::sessionError(uint16_t , const std::string& msg) {
-    // Ignore errors before isOpen(), we're not multicasting yet.
-    if (connection->isOpen())
-        cluster.flagError(*this, ERROR_TYPE_SESSION, msg);
-}
-
-void Connection::connectionError(const std::string& msg) {
-    // Ignore errors before isOpen(), we're not multicasting yet.
-    if (connection->isOpen())
-        cluster.flagError(*this, ERROR_TYPE_CONNECTION, msg);
-}
-
-void Connection::addQueueListener(const std::string& q, uint32_t listener) {
-    if (listener >= updateIn.consumerNumbering.size())
-        throw Exception(QPID_MSG("Invalid listener ID: " << listener));
-    findQueue(q)->getListeners().addListener(updateIn.consumerNumbering[listener]);
-}
-
-//
-// This is the handler for incoming managementsetup messages.
-//
-void Connection::managementSetupState(
-    uint64_t objectNum, uint16_t bootSequence, const framing::Uuid& id,
-    const std::string& vendor, const std::string& product, const std::string& instance)
-{
-    QPID_LOG(debug, cluster << " updated management: object number="
-	     << objectNum << " boot sequence=" << bootSequence
-             << " broker-id=" << id
-             << " vendor=" << vendor
-             << " product=" << product
-             << " instance=" << instance);
-    management::ManagementAgent* agent = cluster.getBroker().getManagementAgent();
-    if (!agent)
-        throw Exception(QPID_MSG("Management schema update but management not enabled."));
-    agent->setNextObjectId(objectNum);
-    agent->setBootSequence(bootSequence);
-    agent->setUuid(id);
-    agent->setName(vendor, product, instance);
-}
-
-void Connection::config(const std::string& encoded) {
-    Buffer buf(const_cast<char*>(encoded.data()), encoded.size());
-    string kind;
-    buf.getShortString (kind);
-    if (kind == "link") {
-        broker::Link::shared_ptr link =
-            broker::Link::decode(cluster.getBroker().getLinks(), buf);
-        QPID_LOG(debug, cluster << " updated link "
-                 << link->getHost() << ":" << link->getPort());
-    }
-    else if (kind == "bridge") {
-        broker::Bridge::shared_ptr bridge =
-            broker::Bridge::decode(cluster.getBroker().getLinks(), buf);
-        QPID_LOG(debug, cluster << " updated bridge " << bridge->getName());
-    }
-    else throw Exception(QPID_MSG("Update failed, invalid kind of config: " << kind));
-}
-
-void Connection::doCatchupIoCallbacks() {
-    // We need to process IO callbacks during the catch-up phase in
-    // order to service asynchronous completions for messages
-    // transferred during catch-up.
-
-    if (catchUp) getBrokerConnection()->doIoCallbacks();
-}
-}} // Namespace qpid::cluster
-