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[socket] Minor optimisation

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This commit is contained in:
Witold Filipczyk 2021-12-20 15:15:15 +01:00
parent ac7038d9d4
commit ba82167586
1 changed files with 43 additions and 14 deletions
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57
src/network/socket.c
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@ -534,9 +534,45 @@ connected(struct socket *socket)
complete_connect_socket(socket, NULL, NULL);
}
static int to_bind;
static int to_bind_ipv6;
static struct sockaddr_in sa_bind;
static struct sockaddr_in6 sa6_bind;
static void
init_bind_address(void)
{
char *bind_address = get_cmd_opt_str("bind-address");
char *bind_address_ipv6 = get_cmd_opt_str("bind-address-ipv6");
#ifdef HAVE_INET_PTON
to_bind = (bind_address && *bind_address);
if (to_bind) {
memset(&sa_bind, 0, sizeof sa_bind);
sa_bind.sin_family = AF_INET;
inet_pton(AF_INET, bind_address, &(sa_bind.sin_addr));
sa_bind.sin_port = htons(0);
}
#ifdef CONFIG_IPV6
to_bind_ipv6 = (bind_address_ipv6 && *bind_address_ipv6);
if (to_bind_ipv6) {
memset(&sa6_bind, 0, sizeof sa6_bind);
sa6_bind.sin6_family = AF_INET6;
inet_pton(AF_INET6, bind_address_ipv6, &(sa6_bind.sin6_addr));
sa6_bind.sin6_port = htons(0);
}
#endif
#endif
}
void
connect_socket(struct socket *csocket, struct connection_state state)
{
static int initialized;
int sock = -1;
struct connect_info *connect_info = csocket->connect_info;
int i;
@ -554,10 +590,11 @@ connect_socket(struct socket *csocket, struct connection_state state)
* about such a connection attempt.
* XXX: Unify with @local_only handling? --pasky */
int silent_fail = 0;
char *bind_address = get_cmd_opt_str("bind-address");
char *bind_address_ipv6 = get_cmd_opt_str("bind-address-ipv6");
int to_bind = (bind_address && *bind_address);
int to_bind_ipv6 = (bind_address_ipv6 && *bind_address_ipv6);
if (!initialized) {
init_bind_address();
initialized = 1;
}
csocket->ops->set_state(csocket, state);
@ -634,10 +671,7 @@ connect_socket(struct socket *csocket, struct connection_state state)
struct sockaddr_in sa;
int res;
memset(&sa, 0, sizeof sa);
sa.sin_family = AF_INET;
inet_pton(AF_INET, bind_address, &(sa.sin_addr));
sa.sin_port = htons(0);
memcpy(&sa, &sa_bind, sizeof sa);
res = bind(sock, (struct sockaddr *)(void *)&sa, sizeof sa);
if (res < 0) {
@ -651,10 +685,7 @@ connect_socket(struct socket *csocket, struct connection_state state)
struct sockaddr_in6 sa;
int res;
memset(&sa, 0, sizeof sa);
sa.sin6_family = AF_INET6;
inet_pton(AF_INET6, bind_address_ipv6, &(sa.sin6_addr));
sa.sin6_port = htons(0);
memcpy(&sa, &sa6_bind, sizeof sa);
res = bind(sock, (struct sockaddr *)(void *)&sa, sizeof sa);
if (res < 0) {
@ -665,8 +696,6 @@ connect_socket(struct socket *csocket, struct connection_state state)
}
#endif
#endif
csocket->fd = sock;
#ifdef CONFIG_IPV6