foundationdb/flow/SendBufferIterator.h

49 lines
1.4 KiB
C++

/*
* SendBufferIterator.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* Licensed 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 __SENDBUFFER_ITERATOR_H__
#define __SENDBUFFER_ITERATOR_H__
#include "flow/serialize.h"
#include <boost/asio.hpp>
class SendBufferIterator {
SendBuffer const* p;
int limit;
public:
using value_type = boost::asio::const_buffer;
using iterator_category = std::forward_iterator_tag;
using difference_type = size_t;
using pointer = boost::asio::const_buffer*;
using reference = boost::asio::const_buffer&;
SendBufferIterator(SendBuffer const* p = nullptr, int limit = std::numeric_limits<int>::max());
bool operator==(SendBufferIterator const& r) const { return p == r.p; }
bool operator!=(SendBufferIterator const& r) const { return p != r.p; }
void operator++();
boost::asio::const_buffer operator*() const;
};
#endif