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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/framing/SequenceNumberSet.h"
using namespace qpid::framing;
void SequenceNumberSet::encode(Buffer& buffer) const
{
buffer.putShort(size() * 4);
for (const_iterator i = begin(); i != end(); i++) {
buffer.putLong(i->getValue());
}
}
void SequenceNumberSet::decode(Buffer& buffer)
{
clear();
uint16_t count = (buffer.getShort() / 4);
for (uint16_t i = 0; i < count; i++) {
push_back(SequenceNumber(buffer.getLong()));
}
}
uint32_t SequenceNumberSet::encodedSize() const
{
return 2 /*count*/ + (size() * 4);
}
SequenceNumberSet SequenceNumberSet::condense() const
{
SequenceNumberSet result;
const_iterator last = end();
const_iterator start = end();
for (const_iterator i = begin(); i != end(); i++) {
if (start == end()) {
start = i;
} else if (*i - *last > 1) {
result.push_back(*start);
result.push_back(*last);
start = i;
}
last = i;
}
if (start != end()) {
result.push_back(*start);
result.push_back(*last);
}
return result;
}
void SequenceNumberSet::addRange(const SequenceNumber& start, const SequenceNumber& end)
{
push_back(start);
push_back(end);
}
namespace qpid{
namespace framing{
std::ostream& operator<<(std::ostream& out, const SequenceNumberSet& set) {
out << "{";
for (SequenceNumberSet::const_iterator i = set.begin(); i != set.end(); i++) {
if (i != set.begin()) out << ", ";
out << (i->getValue());
}
out << "}";
return out;
}
}
}
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