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#ifndef QPID_BROKER_AMQP1_OUTGOING_H
#define QPID_BROKER_AMQP1_OUTGOING_H
/*
*
* 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/broker/amqp/Message.h"
#include "qpid/broker/amqp/ManagedOutgoingLink.h"
#include "qpid/broker/Consumer.h"
#include <boost/shared_ptr.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
extern "C" {
#include <proton/engine.h>
}
namespace qpid {
namespace sys {
class OutputControl;
}
namespace broker {
class Broker;
class Queue;
class Selector;
namespace amqp {
class ManagedSession;
template <class T>
class CircularArray
{
public:
CircularArray(size_t l) : limit(l), data(new T[limit]) {}
T& operator[](size_t i) { return data[i]; }
size_t capacity() { return limit; }
~CircularArray() { delete [] data; }
private:
const size_t limit;
T* const data;
size_t next;
};
/**
*
*/
class Outgoing : public qpid::broker::Consumer, public boost::enable_shared_from_this<Outgoing>, public ManagedOutgoingLink
{
public:
Outgoing(Broker&,boost::shared_ptr<Queue> q, pn_link_t* l, ManagedSession&, qpid::sys::OutputControl& o, bool topic);
void setSubjectFilter(const std::string&);
void setSelectorFilter(const std::string&);
void init();
bool dispatch();
void write(const char* data, size_t size);
void handle(pn_delivery_t* delivery);
bool canDeliver();
void detached();
//Consumer interface:
bool deliver(const QueueCursor& cursor, const qpid::broker::Message& msg);
void notify();
bool accept(const qpid::broker::Message&);
bool filter(const qpid::broker::Message&);
void cancel();
void acknowledged(const qpid::broker::DeliveryRecord&);
qpid::broker::OwnershipToken* getSession();
private:
struct Record
{
QueueCursor cursor;
qpid::broker::Message msg;
pn_delivery_t* delivery;
int disposition;
size_t index;
pn_delivery_tag_t tag;
Record();
void init(size_t i);
void reset();
};
const bool exclusive;
boost::shared_ptr<Queue> queue;
CircularArray<Record> deliveries;
pn_link_t* link;
qpid::sys::OutputControl& out;
size_t current;
int outstanding;
std::vector<char> buffer;
std::string subjectFilter;
boost::scoped_ptr<Selector> selector;
};
}}} // namespace qpid::broker::amqp
#endif /*!QPID_BROKER_AMQP1_OUTGOING_H*/
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