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Whee, multicast sockets work!

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Implemented recurrent timers.
This commit is contained in:
Martin Mares 1998-05-26 21:46:38 +00:00
parent 140f034105
commit af847acc27
3 changed files with 36 additions and 8 deletions
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35
sysdep/unix/io.c
View File

@ -59,6 +59,10 @@ tm_dump(resource *r)
timer *t = (timer *) r;
debug("(code %p, data %p, ");
if (t->randomize)
debug("rand %d, ", t->randomize);
if (t->recurrent)
debug("recur %d, ", t->recurrent);
if (t->expires)
debug("expires in %d sec)\n", t->expires - now);
else
@ -99,7 +103,7 @@ tm_start(timer *t, unsigned after)
bird_clock_t when;
if (t->randomize)
after += random() % t->randomize;
after += random() % (t->randomize + 1);
when = now + after;
if (t->expires == when)
return;
@ -189,11 +193,20 @@ tm_shot(void)
}
while ((n = HEAD(near_timers)) -> next)
{
int delay;
t = SKIP_BACK(timer, n, n);
if (t->expires > now)
break;
rem_node(n);
delay = t->expires - now;
t->expires = 0;
if (t->recurrent)
{
int i = t->recurrent - delay;
if (i < 0)
i = 0;
tm_start(t, i);
}
t->hook(t);
}
}
@ -276,10 +289,13 @@ fill_in_sockaddr(struct sockaddr_in *sa, ip_addr a, unsigned port)
set_inaddr(&sa->sin_addr, a);
}
static void
void
get_sockaddr(struct sockaddr_in *sa, ip_addr *a, unsigned *port)
{
*port = ntohs(sa->sin_port);
if (sa->sin_family != AF_INET)
die("get_sockaddr called for wrong address family");
if (port)
*port = ntohs(sa->sin_port);
memcpy(a, &sa->sin_addr.s_addr, sizeof(*a));
*a = ipa_ntoh(*a);
}
@ -384,19 +400,22 @@ sk_open(sock *s)
{
#ifdef HAVE_IP_MREQN
struct ip_mreqn mreq;
#define mreq_add mreq
mreq.imr_ifindex = s->iface->index;
if (has_src)
set_inaddr(&mreq.imr_address, s->saddr);
else
set_inaddr(&mreq.imr_address, s->iface->ifa->ip);
#else
struct ip_mreq mreq;
struct in_addr mreq;
struct ip_mreq mreq_add;
if (has_src)
set_inaddr(&mreq.imr_interface, s->saddr);
set_inaddr(&mreq, s->saddr);
else
set_inaddr(&mreq.imr_interface, s->iface->ifa->ip);
set_inaddr(&mreq, s->iface->ifa->ip);
memcpy(&mreq_add.imr_interface, &mreq, sizeof(struct in_addr));
#endif
set_inaddr(&mreq.imr_multiaddr, s->daddr);
set_inaddr(&mreq_add.imr_multiaddr, s->daddr);
if (has_dest)
{
if (
@ -414,7 +433,7 @@ sk_open(sock *s)
if (setsockopt(fd, SOL_IP, IP_MULTICAST_IF, &mreq, sizeof(mreq)) < 0)
ERR("IP_MULTICAST_IF");
}
if (has_src && setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) < 0)
if (has_src && setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP, &mreq_add, sizeof(mreq_add)) < 0)
ERR("IP_ADD_MEMBERSHIP");
break;
}

1
sysdep/unix/timer.h
View File

@ -20,6 +20,7 @@ typedef struct timer {
void (*hook)(struct timer *);
void *data;
unsigned randomize; /* Amount of randomization */
unsigned recurrent; /* Timer recurrence */
node n; /* Internal link */
clock_t expires; /* 0=inactive */
} timer;

8
sysdep/unix/unix.h
View File

@ -13,5 +13,13 @@
void io_init(void);
void io_loop(void);
void get_sockaddr(struct sockaddr_in *sa, ip_addr *a, unsigned *port);
/* sync-if.c */
extern int if_scan_sock;
extern int if_scan_period;
void scan_if_init(void);
#endif