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memory_helpers.cpp
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/*
* Copyright (c) 2017, Matias Fontanini
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <tins/memory_helpers.h>
#include <tins/ip_address.h>
#include <tins/ipv6_address.h>
#include <tins/hw_address.h>
using std::vector;
namespace Tins {
namespace Memory {
// InputMemoryStream
void InputMemoryStream::read(vector<uint8_t>& value, size_t count) {
if (!can_read(count)) {
throw malformed_packet();
}
value.assign(pointer(), pointer() + count);
skip(count);
}
void InputMemoryStream::read(HWAddress<6>& address) {
if (!can_read(address.size())) {
throw malformed_packet();
}
address = pointer();
skip(address.size());
}
void InputMemoryStream::read(IPv4Address& address) {
address = IPv4Address(read<uint32_t>());
}
void InputMemoryStream::read(IPv6Address& address) {
if (!can_read(IPv6Address::address_size)) {
throw malformed_packet();
}
address = pointer();
skip(IPv6Address::address_size);
}
// OutputMemoryStream
void OutputMemoryStream::write(const HWAddress<6>& address) {
write(address.begin(), address.end());
}
void OutputMemoryStream::write(const IPv4Address& address) {
write(static_cast<uint32_t>(address));
}
void OutputMemoryStream::write(const IPv6Address& address) {
write(address.begin(), address.end());
}
} // Memory
} // Tins