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#ifndef QPID_CLIENT_AMQP0_10_ACCEPTTRACKER_H
#define QPID_CLIENT_AMQP0_10_ACCEPTTRACKER_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/client/AsyncSession.h"
#include "qpid/client/Completion.h"
#include "qpid/framing/SequenceNumber.h"
#include "qpid/framing/SequenceSet.h"
#include <deque>
#include <map>
namespace qpid {
namespace client {
namespace amqp0_10 {
/**
* Tracks the set of messages requiring acceptance, and those for
* which an accept has been issued but is yet to be confirmed
* complete.
*/
class AcceptTracker
{
public:
void delivered(const std::string& destination, const qpid::framing::SequenceNumber& id);
void accept(qpid::client::AsyncSession&);
void accept(qpid::framing::SequenceNumber, qpid::client::AsyncSession&);
void release(qpid::client::AsyncSession&);
uint32_t acceptsPending();
uint32_t acceptsPending(const std::string& destination);
void reset();
private:
struct State
{
/**
* ids of messages that have been delivered but not yet
* accepted
*/
qpid::framing::SequenceSet unaccepted;
/**
* ids of messages for which an accept has been issued but not
* yet confirmed as completed
*/
qpid::framing::SequenceSet unconfirmed;
void accept();
void accept(qpid::framing::SequenceNumber);
void release();
uint32_t acceptsPending();
void completed(qpid::framing::SequenceSet&);
};
typedef std::map<std::string, State> StateMap;
struct Record
{
qpid::client::Completion status;
qpid::framing::SequenceSet accepted;
};
typedef std::deque<Record> Records;
State aggregateState;
StateMap destinationState;
Records pending;
void checkPending();
void completed(qpid::framing::SequenceSet&);
};
}}} // namespace qpid::client::amqp0_10
#endif /*!QPID_CLIENT_AMQP0_10_ACCEPTTRACKER_H*/
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