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-rw-r--r--cpp/src/qpid/broker/PreviewConnection.cpp325
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diff --git a/cpp/src/qpid/broker/PreviewConnection.cpp b/cpp/src/qpid/broker/PreviewConnection.cpp
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--- a/cpp/src/qpid/broker/PreviewConnection.cpp
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-/*
- *
- * 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 "PreviewConnection.h"
-#include "SessionState.h"
-#include "BrokerAdapter.h"
-#include "Bridge.h"
-#include "SemanticHandler.h"
-
-#include "qpid/log/Statement.h"
-#include "qpid/ptr_map.h"
-#include "qpid/framing/AMQP_ClientProxy.h"
-#include "qpid/management/ManagementAgent.h"
-
-#include <boost/bind.hpp>
-#include <boost/ptr_container/ptr_vector.hpp>
-
-#include <algorithm>
-#include <iostream>
-#include <assert.h>
-
-using namespace boost;
-using namespace qpid::sys;
-using namespace qpid::framing;
-using namespace qpid::sys;
-using qpid::ptr_map_ptr;
-using qpid::management::ManagementAgent;
-using qpid::management::ManagementObject;
-using qpid::management::Manageable;
-using qpid::management::Args;
-
-namespace qpid {
-namespace broker {
-
-class PreviewConnection::MgmtClient : public PreviewConnection::MgmtWrapper
-{
- management::Client::shared_ptr mgmtClient;
-
-public:
- MgmtClient(PreviewConnection* conn, Manageable* parent, ManagementAgent::shared_ptr agent, const std::string& mgmtId);
- ~MgmtClient();
- void received(framing::AMQFrame& frame);
- management::ManagementObject::shared_ptr getManagementObject() const;
- void closing();
-};
-
-class PreviewConnection::MgmtLink : public PreviewConnection::MgmtWrapper
-{
- typedef boost::ptr_vector<Bridge> Bridges;
-
- management::Link::shared_ptr mgmtLink;
- Bridges created;//holds list of bridges pending creation
- Bridges cancelled;//holds list of bridges pending cancellation
- Bridges active;//holds active bridges
- uint channelCounter;
- sys::Mutex linkLock;
-
- void cancel(Bridge*);
-
-public:
- MgmtLink(PreviewConnection* conn, Manageable* parent, ManagementAgent::shared_ptr agent, const std::string& mgmtId);
- ~MgmtLink();
- void received(framing::AMQFrame& frame);
- management::ManagementObject::shared_ptr getManagementObject() const;
- void closing();
- void processPending();
- void process(PreviewConnection& connection, const management::Args& args);
-};
-
-
-PreviewConnection::PreviewConnection(ConnectionOutputHandler* out_, Broker& broker_, const std::string& mgmtId_, bool isLink) :
- ConnectionState(out_, broker_),
- adapter(*this, isLink),
- mgmtClosing(false),
- mgmtId(mgmtId_)
-{
- Manageable* parent = broker.GetVhostObject ();
-
- if (parent != 0)
- {
- ManagementAgent::shared_ptr agent = ManagementAgent::getAgent ();
-
- if (agent.get () != 0)
- {
- if (isLink) {
- mgmtWrapper = std::auto_ptr<MgmtWrapper>(new MgmtLink(this, parent, agent, mgmtId));
- } else {
- mgmtWrapper = std::auto_ptr<MgmtWrapper>(new MgmtClient(this, parent, agent, mgmtId));
- }
- }
- }
-}
-
-PreviewConnection::~PreviewConnection () {
-}
-
-void PreviewConnection::received(framing::AMQFrame& frame){
- if (mgmtClosing)
- close (403, "Closed by Management Request", 0, 0);
-
- if (frame.getChannel() == 0) {
- adapter.handle(frame);
- } else {
- getChannel(frame.getChannel()).in(frame);
- }
-
- if (mgmtWrapper.get()) mgmtWrapper->received(frame);
-}
-
-void PreviewConnection::close(
- ReplyCode code, const string& text, ClassId classId, MethodId methodId)
-{
- adapter.close(code, text, classId, methodId);
- channels.clear();
- getOutput().close();
-}
-
-void PreviewConnection::idleOut(){}
-
-void PreviewConnection::idleIn(){}
-
-void PreviewConnection::closed(){ // Physically closed, suspend open sessions.
- try {
- for (ChannelMap::iterator i = channels.begin(); i != channels.end(); ++i)
- ptr_map_ptr(i)->localSuspend();
- while (!exclusiveQueues.empty()) {
- Queue::shared_ptr q(exclusiveQueues.front());
- q->releaseExclusiveOwnership();
- if (q->canAutoDelete()) {
- Queue::tryAutoDelete(broker, q);
- }
- exclusiveQueues.erase(exclusiveQueues.begin());
- }
- } catch(std::exception& e) {
- QPID_LOG(error, " Unhandled exception while closing session: " <<
- e.what());
- assert(0);
- }
-}
-
-bool PreviewConnection::doOutput()
-{
- try{
- //process any pending mgmt commands:
- if (mgmtWrapper.get()) mgmtWrapper->processPending();
- if (mgmtClosing) close (403, "Closed by Management Request", 0, 0);
-
-
- //then do other output as needed:
- return outputTasks.doOutput();
- }catch(ConnectionException& e){
- close(e.code, e.what(), 0, 0);
- }catch(std::exception& e){
- close(541/*internal error*/, e.what(), 0, 0);
- }
- return false;
-}
-
-void PreviewConnection::closeChannel(uint16_t id) {
- ChannelMap::iterator i = channels.find(id);
- if (i != channels.end()) channels.erase(i);
-}
-
-PreviewSessionHandler& PreviewConnection::getChannel(ChannelId id) {
- ChannelMap::iterator i=channels.find(id);
- if (i == channels.end()) {
- i = channels.insert(id, new PreviewSessionHandler(*this, id)).first;
- }
- return *ptr_map_ptr(i);
-}
-
-ManagementObject::shared_ptr PreviewConnection::GetManagementObject (void) const
-{
- return mgmtWrapper.get() ? mgmtWrapper->getManagementObject() : ManagementObject::shared_ptr();
-}
-
-Manageable::status_t PreviewConnection::ManagementMethod (uint32_t methodId,
- Args& args)
-{
- Manageable::status_t status = Manageable::STATUS_UNKNOWN_METHOD;
-
- QPID_LOG (debug, "PreviewConnection::ManagementMethod [id=" << methodId << "]");
-
- switch (methodId)
- {
- case management::Client::METHOD_CLOSE :
- mgmtClosing = true;
- if (mgmtWrapper.get()) mgmtWrapper->closing();
- out->activateOutput();
- status = Manageable::STATUS_OK;
- break;
- case management::Link::METHOD_BRIDGE :
- //queue this up and request chance to do output (i.e. get connections thread of control):
- mgmtWrapper->process(*this, args);
- out->activateOutput();
- status = Manageable::STATUS_OK;
- break;
- }
-
- return status;
-}
-
-PreviewConnection::MgmtLink::MgmtLink(PreviewConnection* conn, Manageable* parent, ManagementAgent::shared_ptr agent, const std::string& mgmtId)
- : channelCounter(1)
-{
- mgmtLink = management::Link::shared_ptr
- (new management::Link(conn, parent, mgmtId));
- agent->addObject (mgmtLink);
-}
-
-PreviewConnection::MgmtLink::~MgmtLink()
-{
- if (mgmtLink.get () != 0)
- mgmtLink->resourceDestroy ();
-}
-
-void PreviewConnection::MgmtLink::received(framing::AMQFrame& frame)
-{
- if (mgmtLink.get () != 0)
- {
- mgmtLink->inc_framesFromPeer ();
- mgmtLink->inc_bytesFromPeer (frame.size ());
- }
-}
-
-management::ManagementObject::shared_ptr PreviewConnection::MgmtLink::getManagementObject() const
-{
- return dynamic_pointer_cast<ManagementObject>(mgmtLink);
-}
-
-void PreviewConnection::MgmtLink::closing()
-{
- if (mgmtLink) mgmtLink->set_closing (1);
-}
-
-void PreviewConnection::MgmtLink::processPending()
-{
- Mutex::ScopedLock l(linkLock);
- //process any pending creates
- if (!created.empty()) {
- for (Bridges::iterator i = created.begin(); i != created.end(); ++i) {
- i->create();
- }
- active.transfer(active.end(), created.begin(), created.end(), created);
- }
- if (!cancelled.empty()) {
- //process any pending cancellations
- for (Bridges::iterator i = cancelled.begin(); i != cancelled.end(); ++i) {
- i->cancel();
- }
- cancelled.clear();
- }
-}
-
-void PreviewConnection::MgmtLink::process(PreviewConnection& connection, const management::Args& args)
-{
- Mutex::ScopedLock l(linkLock);
- created.push_back(new Bridge(channelCounter++, connection,
- boost::bind(&MgmtLink::cancel, this, _1),
- dynamic_cast<const management::ArgsLinkBridge&>(args)));
-}
-
-void PreviewConnection::MgmtLink::cancel(Bridge* b)
-{
- Mutex::ScopedLock l(linkLock);
- //need to take this out the active map and add it to the cancelled map
- for (Bridges::iterator i = active.begin(); i != active.end(); i++) {
- if (&(*i) == b) {
- cancelled.transfer(cancelled.end(), i, active);
- break;
- }
- }
-}
-
-PreviewConnection::MgmtClient::MgmtClient(PreviewConnection* conn, Manageable* parent, ManagementAgent::shared_ptr agent, const std::string& mgmtId)
-{
- mgmtClient = management::Client::shared_ptr
- (new management::Client (conn, parent, mgmtId));
- agent->addObject (mgmtClient);
-}
-
-PreviewConnection::MgmtClient::~MgmtClient()
-{
- if (mgmtClient.get () != 0)
- mgmtClient->resourceDestroy ();
-}
-
-void PreviewConnection::MgmtClient::received(framing::AMQFrame& frame)
-{
- if (mgmtClient.get () != 0)
- {
- mgmtClient->inc_framesFromClient ();
- mgmtClient->inc_bytesFromClient (frame.size ());
- }
-}
-
-management::ManagementObject::shared_ptr PreviewConnection::MgmtClient::getManagementObject() const
-{
- return dynamic_pointer_cast<ManagementObject>(mgmtClient);
-}
-
-void PreviewConnection::MgmtClient::closing()
-{
- if (mgmtClient) mgmtClient->set_closing (1);
-}
-
-}}
-
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