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#ifndef MEMORY_MEMORY_HH_
#define MEMORY_MEMORY_HH_
#include <cstddef>
#include <cstring>
#include <sys/uio.h>
#include <vector>
#include <stdexcept>
namespace memory {
using buffer_t = std::vector<std::byte>;
buffer_t read_buffer(const std::size_t num_bytes, const pid_t& pid,
const void* const address);
void write_buffer(const buffer_t& buffer, const pid_t& pid,
const void* const address);
template <typename T>
T read(const pid_t& pid, const void* const address) {
static_assert(std::is_trivially_copyable<T>::value);
const buffer_t data = read_buffer(sizeof(T), pid, address);
T ret;
std::memcpy(&ret, std::data(data), sizeof(T));
return std::move(ret);
}
template <typename T>
void write(const T& data, const pid_t& pid, const void* const address) {
static_assert(std::is_trivially_copyable<T>::value);
const buffer_t buffer = [&]() {
buffer_t buffer{sizeof(T)};
std::memcpy(std::data(buffer), &data, sizeof(T));
return buffer;
}();
write_buffer(buffer, pid, address);
}
} // namespace memory
#endif
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