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authorAlan Conway <aconway@apache.org>2006-10-16 13:50:26 +0000
committerAlan Conway <aconway@apache.org>2006-10-16 13:50:26 +0000
commit8a6ab3aa61d441b9210c05c84dc9998acfc38737 (patch)
tree1eb9d7f39b5c2d04a85a1f66caef3d398567b740 /cpp/src/qpid/broker/SessionHandlerImpl.cpp
parent9a808fb13aba243d41bbdab75158dae5939a80a4 (diff)
downloadqpid-python-8a6ab3aa61d441b9210c05c84dc9998acfc38737.tar.gz
Build system reorg, see README and Makefile comments for details.
git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@464494 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'cpp/src/qpid/broker/SessionHandlerImpl.cpp')
-rw-r--r--cpp/src/qpid/broker/SessionHandlerImpl.cpp405
1 files changed, 405 insertions, 0 deletions
diff --git a/cpp/src/qpid/broker/SessionHandlerImpl.cpp b/cpp/src/qpid/broker/SessionHandlerImpl.cpp
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+++ b/cpp/src/qpid/broker/SessionHandlerImpl.cpp
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+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * Licensed 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 <iostream>
+#include "./qpid/broker/SessionHandlerImpl.h"
+#include "./qpid/broker/FanOutExchange.h"
+#include "./qpid/broker/HeadersExchange.h"
+#include "./qpid/broker/Router.h"
+#include "./qpid/broker/TopicExchange.h"
+#include "assert.h"
+
+using namespace std::tr1;
+using namespace qpid::broker;
+using namespace qpid::io;
+using namespace qpid::framing;
+using namespace qpid::concurrent;
+
+SessionHandlerImpl::SessionHandlerImpl(SessionContext* _context,
+ QueueRegistry* _queues,
+ ExchangeRegistry* _exchanges,
+ AutoDelete* _cleaner,
+ const u_int32_t _timeout) :
+ context(_context),
+ client(context),
+ queues(_queues),
+ exchanges(_exchanges),
+ cleaner(_cleaner),
+ timeout(_timeout),
+ connectionHandler(new ConnectionHandlerImpl(this)),
+ channelHandler(new ChannelHandlerImpl(this)),
+ basicHandler(new BasicHandlerImpl(this)),
+ exchangeHandler(new ExchangeHandlerImpl(this)),
+ queueHandler(new QueueHandlerImpl(this)),
+ framemax(65536),
+ heartbeat(0) {}
+
+SessionHandlerImpl::~SessionHandlerImpl(){
+ // TODO aconway 2006-09-07: Should be auto_ptr or plain members.
+ delete channelHandler;
+ delete connectionHandler;
+ delete basicHandler;
+ delete exchangeHandler;
+ delete queueHandler;
+}
+
+Channel* SessionHandlerImpl::getChannel(u_int16_t channel){
+ channel_iterator i = channels.find(channel);
+ if(i == channels.end()){
+ throw ConnectionException(504, "Unknown channel: " + channel);
+ }
+ return i->second;
+}
+
+Queue::shared_ptr SessionHandlerImpl::getQueue(const string& name, u_int16_t channel){
+ Queue::shared_ptr queue;
+ if (name.empty()) {
+ queue = getChannel(channel)->getDefaultQueue();
+ if (!queue) throw ConnectionException( 530, "Queue must be specified or previously declared" );
+ } else {
+ queue = queues->find(name);
+ if (queue == 0) {
+ throw ChannelException( 404, "Queue not found: " + name);
+ }
+ }
+ return queue;
+}
+
+
+Exchange* SessionHandlerImpl::findExchange(const string& name){
+ exchanges->getLock()->acquire();
+ Exchange* exchange(exchanges->get(name));
+ exchanges->getLock()->release();
+ return exchange;
+}
+
+void SessionHandlerImpl::received(qpid::framing::AMQFrame* frame){
+ u_int16_t channel = frame->getChannel();
+ AMQBody::shared_ptr body = frame->getBody();
+ AMQMethodBody::shared_ptr method;
+
+ switch(body->type())
+ {
+ case METHOD_BODY:
+ method = dynamic_pointer_cast<AMQMethodBody, AMQBody>(body);
+ try{
+ method->invoke(*this, channel);
+ }catch(ChannelException& e){
+ channels[channel]->close();
+ channels.erase(channel);
+ client.getChannel().close(channel, e.code, e.text, method->amqpClassId(), method->amqpMethodId());
+ }catch(ConnectionException& e){
+ client.getConnection().close(0, e.code, e.text, method->amqpClassId(), method->amqpMethodId());
+ }
+ break;
+
+ case HEADER_BODY:
+ this->handleHeader(channel, dynamic_pointer_cast<AMQHeaderBody, AMQBody>(body));
+ break;
+
+ case CONTENT_BODY:
+ this->handleContent(channel, dynamic_pointer_cast<AMQContentBody, AMQBody>(body));
+ break;
+
+ case HEARTBEAT_BODY:
+ //channel must be 0
+ this->handleHeartbeat(dynamic_pointer_cast<AMQHeartbeatBody, AMQBody>(body));
+ break;
+ }
+}
+
+void SessionHandlerImpl::initiated(qpid::framing::ProtocolInitiation* /*header*/){
+ //send connection start
+ FieldTable properties;
+ string mechanisms("PLAIN");
+ string locales("en_US");
+ client.getConnection().start(0, 8, 0, properties, mechanisms, locales);
+}
+
+void SessionHandlerImpl::idleOut(){
+
+}
+
+void SessionHandlerImpl::idleIn(){
+
+}
+
+void SessionHandlerImpl::closed(){
+ for(channel_iterator i = channels.begin(); i != channels.end(); i = channels.begin()){
+ Channel* c = i->second;
+ channels.erase(i);
+ c->close();
+ delete c;
+ }
+ for(queue_iterator i = exclusiveQueues.begin(); i < exclusiveQueues.end(); i = exclusiveQueues.begin()){
+ string name = (*i)->getName();
+ queues->destroy(name);
+ exclusiveQueues.erase(i);
+ }
+}
+
+void SessionHandlerImpl::handleHeader(u_int16_t channel, AMQHeaderBody::shared_ptr body){
+ getChannel(channel)->handleHeader(body, Router(*exchanges));
+}
+
+void SessionHandlerImpl::handleContent(u_int16_t channel, AMQContentBody::shared_ptr body){
+ getChannel(channel)->handleContent(body, Router(*exchanges));
+}
+
+void SessionHandlerImpl::handleHeartbeat(AMQHeartbeatBody::shared_ptr /*body*/){
+ std::cout << "SessionHandlerImpl::handleHeartbeat()" << std::endl;
+}
+
+void SessionHandlerImpl::ConnectionHandlerImpl::startOk(
+ u_int16_t /*channel*/, FieldTable& /*clientProperties*/, string& /*mechanism*/,
+ string& /*response*/, string& /*locale*/){
+
+ parent->client.getConnection().tune(0, 100, parent->framemax, parent->heartbeat);
+}
+
+void SessionHandlerImpl::ConnectionHandlerImpl::secureOk(u_int16_t /*channel*/, string& /*response*/){}
+
+void SessionHandlerImpl::ConnectionHandlerImpl::tuneOk(u_int16_t /*channel*/, u_int16_t /*channelmax*/, u_int32_t framemax, u_int16_t heartbeat){
+ parent->framemax = framemax;
+ parent->heartbeat = heartbeat;
+}
+
+void SessionHandlerImpl::ConnectionHandlerImpl::open(u_int16_t /*channel*/, string& /*virtualHost*/, string& /*capabilities*/, bool /*insist*/){
+ string knownhosts;
+ parent->client.getConnection().openOk(0, knownhosts);
+}
+
+void SessionHandlerImpl::ConnectionHandlerImpl::close(
+ u_int16_t /*channel*/, u_int16_t /*replyCode*/, string& /*replyText*/,
+ u_int16_t /*classId*/, u_int16_t /*methodId*/)
+{
+ parent->client.getConnection().closeOk(0);
+ parent->context->close();
+}
+
+void SessionHandlerImpl::ConnectionHandlerImpl::closeOk(u_int16_t /*channel*/){
+ parent->context->close();
+}
+
+
+
+void SessionHandlerImpl::ChannelHandlerImpl::open(u_int16_t channel, string& /*outOfBand*/){
+ parent->channels[channel] = new Channel(parent->context, channel, parent->framemax);
+ parent->client.getChannel().openOk(channel);
+}
+
+void SessionHandlerImpl::ChannelHandlerImpl::flow(u_int16_t /*channel*/, bool /*active*/){}
+void SessionHandlerImpl::ChannelHandlerImpl::flowOk(u_int16_t /*channel*/, bool /*active*/){}
+
+void SessionHandlerImpl::ChannelHandlerImpl::close(u_int16_t channel, u_int16_t /*replyCode*/, string& /*replyText*/,
+ u_int16_t /*classId*/, u_int16_t /*methodId*/){
+ Channel* c = parent->getChannel(channel);
+ if(c){
+ parent->channels.erase(channel);
+ c->close();
+ delete c;
+ parent->client.getChannel().closeOk(channel);
+ }
+}
+
+void SessionHandlerImpl::ChannelHandlerImpl::closeOk(u_int16_t /*channel*/){}
+
+
+
+void SessionHandlerImpl::ExchangeHandlerImpl::declare(u_int16_t channel, u_int16_t /*ticket*/, string& exchange, string& type,
+ bool passive, bool /*durable*/, bool /*autoDelete*/, bool /*internal*/, bool nowait,
+ FieldTable& /*arguments*/){
+
+ if(!passive && (
+ type != TopicExchange::typeName &&
+ type != DirectExchange::typeName &&
+ type != FanOutExchange::typeName &&
+ type != HeadersExchange::typeName
+ )
+ )
+ {
+ throw ChannelException(540, "Exchange type not implemented: " + type);
+ }
+
+ parent->exchanges->getLock()->acquire();
+ if(!parent->exchanges->get(exchange)){
+ if(type == TopicExchange::typeName){
+ parent->exchanges->declare(new TopicExchange(exchange));
+ }else if(type == DirectExchange::typeName){
+ parent->exchanges->declare(new DirectExchange(exchange));
+ }else if(type == FanOutExchange::typeName){
+ parent->exchanges->declare(new DirectExchange(exchange));
+ }else if (type == HeadersExchange::typeName) {
+ parent->exchanges->declare(new HeadersExchange(exchange));
+ }
+ }
+ parent->exchanges->getLock()->release();
+ if(!nowait){
+ parent->client.getExchange().declareOk(channel);
+ }
+}
+
+void SessionHandlerImpl::ExchangeHandlerImpl::delete_(u_int16_t channel, u_int16_t /*ticket*/, string& exchange, bool /*ifUnused*/, bool nowait){
+ //TODO: implement unused
+ parent->exchanges->getLock()->acquire();
+ parent->exchanges->destroy(exchange);
+ parent->exchanges->getLock()->release();
+ if(!nowait) parent->client.getExchange().deleteOk(channel);
+}
+
+void SessionHandlerImpl::QueueHandlerImpl::declare(u_int16_t channel, u_int16_t /*ticket*/, string& name,
+ bool passive, bool durable, bool exclusive,
+ bool autoDelete, bool nowait, FieldTable& /*arguments*/){
+ Queue::shared_ptr queue;
+ if (passive && !name.empty()) {
+ queue = parent->getQueue(name, channel);
+ } else {
+ std::pair<Queue::shared_ptr, bool> queue_created = parent->queues->declare(name, durable, autoDelete ? parent->timeout : 0, exclusive ? parent : 0);
+ queue = queue_created.first;
+ assert(queue);
+ if (queue_created.second) { // This is a new queue
+ parent->getChannel(channel)->setDefaultQueue(queue);
+ //add default binding:
+ parent->exchanges->getDefault()->bind(queue, name, 0);
+ if(exclusive){
+ parent->exclusiveQueues.push_back(queue);
+ } else if(autoDelete){
+ parent->cleaner->add(queue);
+ }
+ }
+ }
+ if(exclusive && !queue->isExclusiveOwner(parent)){
+ throw ChannelException(405, "Cannot grant exclusive access to queue");
+ }
+ if(!nowait){
+ name = queue->getName();
+ parent->client.getQueue().declareOk(channel, name, queue->getMessageCount(), queue->getConsumerCount());
+ }
+}
+
+void SessionHandlerImpl::QueueHandlerImpl::bind(u_int16_t channel, u_int16_t /*ticket*/, string& queueName,
+ string& exchangeName, string& routingKey, bool nowait,
+ FieldTable& arguments){
+
+ Queue::shared_ptr queue = parent->getQueue(queueName, channel);
+ Exchange* exchange = parent->exchanges->get(exchangeName);
+ if(exchange){
+ if(routingKey.empty() && queueName.empty()) routingKey = queue->getName();
+ exchange->bind(queue, routingKey, &arguments);
+ if(!nowait) parent->client.getQueue().bindOk(channel);
+ }else{
+ throw ChannelException(404, "Bind failed. No such exchange: " + exchangeName);
+ }
+}
+
+void SessionHandlerImpl::QueueHandlerImpl::purge(u_int16_t channel, u_int16_t /*ticket*/, string& queueName, bool nowait){
+
+ Queue::shared_ptr queue = parent->getQueue(queueName, channel);
+ int count = queue->purge();
+ if(!nowait) parent->client.getQueue().purgeOk(channel, count);
+}
+
+void SessionHandlerImpl::QueueHandlerImpl::delete_(u_int16_t channel, u_int16_t /*ticket*/, string& queue,
+ bool ifUnused, bool ifEmpty, bool nowait){
+ ChannelException error(0, "");
+ int count(0);
+ Queue::shared_ptr q = parent->getQueue(queue, channel);
+ if(ifEmpty && q->getMessageCount() > 0){
+ throw ChannelException(406, "Queue not empty.");
+ }else if(ifUnused && q->getConsumerCount() > 0){
+ throw ChannelException(406, "Queue in use.");
+ }else{
+ //remove the queue from the list of exclusive queues if necessary
+ if(q->isExclusiveOwner(parent)){
+ queue_iterator i = find(parent->exclusiveQueues.begin(), parent->exclusiveQueues.end(), q);
+ if(i < parent->exclusiveQueues.end()) parent->exclusiveQueues.erase(i);
+ }
+ count = q->getMessageCount();
+ parent->queues->destroy(queue);
+ }
+ if(!nowait) parent->client.getQueue().deleteOk(channel, count);
+}
+
+
+
+
+void SessionHandlerImpl::BasicHandlerImpl::qos(u_int16_t channel, u_int32_t prefetchSize, u_int16_t prefetchCount, bool /*global*/){
+ //TODO: handle global
+ parent->getChannel(channel)->setPrefetchSize(prefetchSize);
+ parent->getChannel(channel)->setPrefetchCount(prefetchCount);
+ parent->client.getBasic().qosOk(channel);
+}
+
+void SessionHandlerImpl::BasicHandlerImpl::consume(u_int16_t channelId, u_int16_t /*ticket*/,
+ string& queueName, string& consumerTag,
+ bool noLocal, bool noAck, bool exclusive,
+ bool nowait){
+
+ Queue::shared_ptr queue = parent->getQueue(queueName, channelId);
+ Channel* channel = parent->channels[channelId];
+ if(!consumerTag.empty() && channel->exists(consumerTag)){
+ throw ConnectionException(530, "Consumer tags must be unique");
+ }
+
+ try{
+ channel->consume(consumerTag, queue, !noAck, exclusive, noLocal ? parent : 0);
+ if(!nowait) parent->client.getBasic().consumeOk(channelId, consumerTag);
+
+ //allow messages to be dispatched if required as there is now a consumer:
+ queue->dispatch();
+ }catch(ExclusiveAccessException& e){
+ if(exclusive) throw ChannelException(403, "Exclusive access cannot be granted");
+ else throw ChannelException(403, "Access would violate previously granted exclusivity");
+ }
+
+}
+
+void SessionHandlerImpl::BasicHandlerImpl::cancel(u_int16_t channel, string& consumerTag, bool nowait){
+ parent->getChannel(channel)->cancel(consumerTag);
+ if(!nowait) parent->client.getBasic().cancelOk(channel, consumerTag);
+}
+
+void SessionHandlerImpl::BasicHandlerImpl::publish(u_int16_t channel, u_int16_t /*ticket*/,
+ string& exchange, string& routingKey,
+ bool mandatory, bool immediate){
+
+ Message* msg = new Message(parent, exchange, routingKey, mandatory, immediate);
+ parent->getChannel(channel)->handlePublish(msg);
+}
+
+void SessionHandlerImpl::BasicHandlerImpl::get(u_int16_t channelId, u_int16_t /*ticket*/, string& queueName, bool noAck){
+ Queue::shared_ptr queue = parent->getQueue(queueName, channelId);
+ if(!parent->getChannel(channelId)->get(queue, !noAck)){
+ string clusterId;//not used, part of an imatix hack
+ parent->client.getBasic().getEmpty(channelId, clusterId);
+ }
+}
+
+void SessionHandlerImpl::BasicHandlerImpl::ack(u_int16_t channel, u_int64_t deliveryTag, bool multiple){
+ try{
+ parent->getChannel(channel)->ack(deliveryTag, multiple);
+ }catch(InvalidAckException& e){
+ throw ConnectionException(530, "Received ack for unrecognised delivery tag");
+ }
+}
+
+void SessionHandlerImpl::BasicHandlerImpl::reject(u_int16_t /*channel*/, u_int64_t /*deliveryTag*/, bool /*requeue*/){}
+
+void SessionHandlerImpl::BasicHandlerImpl::recover(u_int16_t channel, bool requeue){
+ parent->getChannel(channel)->recover(requeue);
+}
+