Function encode

src/msg/msg_types.h:168–199

 * encode sockaddr.ss_family as network byte order
 */
static inline void encode(const sockaddr_storage& a, ceph::buffer::list& bl) {
#if defined(__linux__)
  struct sockaddr_storage ss = a;
  ss.ss_family = htons(ss.ss_family);
  ceph::encode_raw(ss, bl);
#elif defined(__FreeBSD__) || defined(__APPLE__)
  ceph_sockaddr_storage ss{};
  auto src = (unsigned char const *)&a;
  auto dst = (unsigned char *)&ss;
  src += sizeof(a.ss_len);
  ss.ss_family = a.ss_family;
  src += sizeof(a.ss_family);
  dst += sizeof(ss.ss_family);
  const auto copy_size = std::min((unsigned char*)(&a + 1) - src,
				  (unsigned char*)(&ss + 1) - dst);
  ::memcpy(dst, src, copy_size);
  encode(ss, bl);
#elif defined(_WIN32)
  ceph_sockaddr_storage ss{};
  ::memcpy(&ss, &a, std::min(sizeof(ss), sizeof(a)));
  // The Windows AF_INET6 definition doesn't match the Linux one.
  if (a.ss_family == AF_INET6) {
    ss.ss_family = AF_INET6_LINUX;
  }
  encode(ss, bl);
#else
  ceph_sockaddr_storage ss;
  ::memset(&ss, '\0', sizeof(ss));
  ::memcpy(&ss, &a, std::min(sizeof(ss), sizeof(a)));
  encode(ss, bl);
#endif
}
static inline void decode(sockaddr_storage& a,
			  ceph::buffer::list::const_iterator& bl) {
#if defined(__linux__)