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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 "qpid/Plugin.h"
#include "qpid/Options.h"
#include "qpid/SaslFactory.h"
#include "qpid/NullSaslServer.h"
#include "qpid/broker/Broker.h"
#include "qpid/broker/Message.h"
#include "qpid/broker/Protocol.h"
#include "qpid/broker/RecoverableMessage.h"
#include "qpid/broker/RecoverableMessageImpl.h"
#include "qpid/broker/amqp/Connection.h"
#include "qpid/broker/amqp/Interconnects.h"
#include "qpid/broker/amqp/Message.h"
#include "qpid/broker/amqp/NodePolicy.h"
#include "qpid/broker/amqp/Sasl.h"
#include "qpid/broker/amqp/Topic.h"
#include "qpid/broker/amqp/Translation.h"
#include "qpid/broker/amqp_0_10/MessageTransfer.h"
#include "qpid/framing/Buffer.h"
#include "qpid/framing/ProtocolVersion.h"
#include "qpid/sys/ConnectionCodec.h"
#include "qpid/log/Statement.h"
namespace qpid {
namespace broker {
namespace amqp {
struct Options : public qpid::Options {
std::string domain;
std::vector<std::string> queuePatterns;
std::vector<std::string> topicPatterns;
Options() : qpid::Options("AMQP 1.0 Options") {
addOptions()
("domain", optValue(domain, "DOMAIN"), "Domain of this broker")
("queue-patterns", optValue(queuePatterns, "PATTERN"), "Pattern for on-demand queues")
("topic-patterns", optValue(topicPatterns, "PATTERN"), "Pattern for on-demand topics");
}
};
class ProtocolImpl : public BrokerContext, public Protocol
{
public:
ProtocolImpl(Interconnects* interconnects, TopicRegistry* topics, NodePolicyRegistry* policies, Broker& broker, const std::string& domain)
: BrokerContext(broker, *interconnects, *topics, *policies, domain)
{
interconnects->setContext(*this);
broker.getObjectFactoryRegistry().add(interconnects);//registry deletes on shutdown
broker.getObjectFactoryRegistry().add(topics);//registry deletes on shutdown
broker.getObjectFactoryRegistry().add(policies);//registry deletes on shutdown
}
qpid::sys::ConnectionCodec* create(const qpid::framing::ProtocolVersion&, qpid::sys::OutputControl&, const std::string&, const qpid::sys::SecuritySettings&);
boost::intrusive_ptr<const qpid::broker::amqp_0_10::MessageTransfer> translate(const qpid::broker::Message&);
boost::shared_ptr<RecoverableMessage> recover(qpid::framing::Buffer&);
qpid::framing::ProtocolVersion supportedVersion() const;
private:
};
struct ProtocolPlugin : public Plugin
{
Options options;
Options* getOptions() { return &options; }
NodePolicyRegistry* policies;
ProtocolPlugin() : policies(0) {}
void earlyInitialize(Plugin::Target& target)
{
//need to register protocol before recovery from store
broker::Broker* broker = dynamic_cast<qpid::broker::Broker*>(&target);
if (broker) {
policies = new NodePolicyRegistry();
ProtocolImpl* impl = new ProtocolImpl(new Interconnects(), new TopicRegistry(), policies, *broker, options.domain);
broker->getProtocolRegistry().add("amqp1.0", impl);//registry deletes on shutdown
}
}
void initialize(Plugin::Target& target)
{
broker::Broker* broker = dynamic_cast<qpid::broker::Broker*>(&target);
if (broker) {
for (std::vector<std::string>::const_iterator i = options.queuePatterns.begin(); i != options.queuePatterns.end(); ++i) {
policies->createQueuePolicy(*broker, *i, qpid::types::Variant::Map());
}
for (std::vector<std::string>::const_iterator i = options.topicPatterns.begin(); i != options.topicPatterns.end(); ++i) {
policies->createTopicPolicy(*broker, *i, qpid::types::Variant::Map());
}
}
}
};
ProtocolPlugin instance; // Static initialization
qpid::sys::ConnectionCodec* ProtocolImpl::create(const qpid::framing::ProtocolVersion& v, qpid::sys::OutputControl& out, const std::string& id, const qpid::sys::SecuritySettings& external)
{
if (v == qpid::framing::ProtocolVersion(1, 0)) {
if (v.getProtocol() == qpid::framing::ProtocolVersion::SASL) {
if (getBroker().isAuthenticating()) {
QPID_LOG(info, "Using AMQP 1.0 (with SASL layer)");
return new qpid::broker::amqp::Sasl(out, id, *this,
qpid::SaslFactory::getInstance().createServer(getBroker().getRealm(),getBroker().getSaslServiceName(),getBroker().requireEncrypted(), external));
} else {
std::auto_ptr<SaslServer> authenticator(new qpid::NullSaslServer(getBroker().getRealm()));
QPID_LOG(info, "Using AMQP 1.0 (with dummy SASL layer)");
return new qpid::broker::amqp::Sasl(out, id, *this, authenticator);
}
} else {
if (getBroker().isAuthenticating()) {
throw qpid::Exception("SASL layer required!");
} else {
QPID_LOG(info, "Using AMQP 1.0 (no SASL layer)");
return new qpid::broker::amqp::Connection(out, id, *this, false, false);
}
}
}
return 0;
}
boost::intrusive_ptr<const qpid::broker::amqp_0_10::MessageTransfer> ProtocolImpl::translate(const qpid::broker::Message& m)
{
qpid::broker::amqp::Translation t(m, &getBroker());
return t.getTransfer();
}
boost::shared_ptr<RecoverableMessage> ProtocolImpl::recover(qpid::framing::Buffer& buffer)
{
QPID_LOG(debug, "Recovering, checking for 1.0 message format indicator...");
uint32_t format = buffer.getLong();
if (format == 0) {
QPID_LOG(debug, "Recovered message IS in 1.0 format");
//this is a 1.0 format message
boost::intrusive_ptr<qpid::broker::amqp::Message> m(new qpid::broker::amqp::Message(buffer.available()));
m->decodeHeader(buffer);
return RecoverableMessage::shared_ptr(new RecoverableMessageImpl(qpid::broker::Message(m, m)));
} else {
QPID_LOG(debug, "Recovered message is NOT in 1.0 format");
return RecoverableMessage::shared_ptr();
}
}
qpid::framing::ProtocolVersion ProtocolImpl::supportedVersion() const
{
return qpid::framing::ProtocolVersion(1,0);
}
}}} // namespace qpid::broker::amqp
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