/usr/include/qpid/framing/SequenceNumber.h is in libqpidcommon2-dev 0.16-7ubuntu5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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.
*
*/
#ifndef _framing_SequenceNumber_h
#define _framing_SequenceNumber_h
#include "qpid/framing/amqp_types.h"
#include <boost/operators.hpp>
#include <iosfwd>
#include "qpid/CommonImportExport.h"
namespace qpid {
namespace framing {
class Buffer;
/**
* 4-byte sequence number that 'wraps around'.
*/
class QPID_COMMON_CLASS_EXTERN SequenceNumber : public
boost::equality_comparable<
SequenceNumber, boost::less_than_comparable<
SequenceNumber, boost::incrementable<
SequenceNumber, boost::decrementable<SequenceNumber> > > >
{
int32_t value;
public:
SequenceNumber(uint32_t v=0) : value(v) {}
SequenceNumber& operator++() { ++value; return *this; }
SequenceNumber& operator--() { --value; return *this; }
bool operator==(const SequenceNumber& other) const { return value == other.value; }
bool operator<(const SequenceNumber& other) const { return (value - other.value) < 0; }
uint32_t getValue() const { return uint32_t(value); }
operator uint32_t() const { return uint32_t(value); }
QPID_COMMON_EXTERN void encode(Buffer& buffer) const;
QPID_COMMON_EXTERN void decode(Buffer& buffer);
QPID_COMMON_EXTERN uint32_t encodedSize() const;
template <class S> void serialize(S& s) { s(value); }
friend inline int32_t operator-(const SequenceNumber& a, const SequenceNumber& b);
};
inline int32_t operator-(const SequenceNumber& a, const SequenceNumber& b) {
return int32_t(a.value - b.value);
}
struct Window
{
SequenceNumber hwm;
SequenceNumber lwm;
};
QPID_COMMON_EXTERN std::ostream& operator<<(std::ostream& o, const SequenceNumber& n);
}} // namespace qpid::framing
#endif
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