lokinet/llarp/dns/serialize.cpp
2024-01-31 07:54:12 -08:00

41 lines
800 B
C++

#include "serialize.hpp"
namespace llarp::dns
{
Serialize::~Serialize() = default;
bool
EncodeRData(llarp_buffer_t* buf, const std::vector<byte_t>& v)
{
if (v.size() > 65536)
return false;
uint16_t len = v.size();
if (!buf->put_uint16(len))
return false;
if (buf->size_left() < len)
return false;
memcpy(buf->cur, v.data(), len);
buf->cur += len;
return true;
}
bool
DecodeRData(llarp_buffer_t* buf, std::vector<byte_t>& v)
{
uint16_t len;
if (!buf->read_uint16(len))
return false;
size_t left = buf->size_left();
if (left < len)
return false;
v.resize(size_t(len));
if (len)
{
memcpy(v.data(), buf->cur, len);
buf->cur += len;
}
return true;
}
} // namespace llarp::dns