1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
| | /*
* Copyright (C) 2012-2020 all contributors <cmogstored-public@yhbt.net>
* License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
*/
union mog_sockaddr {
struct sockaddr_in in;
struct sockaddr_in6 in6;
struct sockaddr sa;
uint8_t bytes[sizeof(struct sockaddr_in6)];
};
/* this is the relevant part we may store in "struct mog_fd" */
struct mog_packaddr {
sa_family_t sa_family;
in_port_t port;
union {
struct in6_addr *in6_ptr;
struct in_addr in_addr;
} as;
} __attribute__((packed));
static inline void mog_packaddr_free(struct mog_packaddr *mpa)
{
if (mpa->sa_family != AF_INET)
free(mpa->as.in6_ptr);
}
static inline void mog_packaddr_init(struct mog_packaddr *mpa,
union mog_sockaddr *msa, socklen_t salen)
{
mpa->sa_family = msa->in.sin_family;
if (mpa->sa_family == AF_INET) {
mpa->port = msa->in.sin_port;
memcpy(&mpa->as.in_addr, &msa->in.sin_addr,
sizeof(struct in_addr));
} else {
assert(mpa->sa_family == AF_INET6 && "invalid sa_family");
mpa->port = msa->in6.sin6_port;
mpa->as.in6_ptr = xmalloc(sizeof(struct in6_addr));
memcpy(mpa->as.in6_ptr, &msa->in6.sin6_addr,
sizeof(struct in6_addr));
}
}
|