socket_address.cpp

/* Copyright 2025 Kevin Exton
 *
 * 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.
 */
 
#include "socket_address.hpp"
 
#include <cassert>
#include <cstring>
 
namespace io::socket {
 
socket_address::socket_address(socklen_type size) noexcept : size_{size} {
  assert(size_ <= sizeof(sockaddr_storage_type) && size_ >= 0 &&
         "size must be between 0 and sizeof(sockaddr_storage_type)");
}
socket_address::socket_address(const sockaddr_type *addr,
                               socklen_type size) noexcept
    : size_{size} {
  assert(addr != nullptr && "addr must not be nullptr.");
  assert(size_ <= sizeof(sockaddr_storage_type) && size_ >= 0 &&
         "size must be between 0 and sizeof(sockaddr_storage_type)");
  std::memcpy(&storage_, addr, size_);
}
 
auto socket_address::data() noexcept -> sockaddr_type * {
  // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast)
  return reinterpret_cast<sockaddr_type *>(&storage_);
}
 
auto socket_address::data() const noexcept -> const sockaddr_type * {
  // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast)
  return reinterpret_cast<const sockaddr_type *>(&storage_);
}
 
auto socket_address::size() noexcept -> socklen_type * { return &size_; }
 
auto socket_address::size() const noexcept -> const socklen_type * {
  return &size_;
}
 
auto socket_address::operator==(const socket_address &other) const noexcept
    -> bool {
  if (size_ != other.size_)
    return false;
  return std::memcmp(&storage_, &other.storage_, size_) == 0;
}
} // namespace io::socket