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more net_route stuff

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This commit is contained in:
Doug MacEachern 2005-07-15 03:19:11 +00:00
parent 962c8cfd1b
commit d36d72b16c
1 changed files with 37 additions and 11 deletions
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48
src/os/darwin/darwin_sigar.c
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@ -1379,29 +1379,25 @@ int sigar_cpu_info_list_get(sigar_t *sigar,
return SIGAR_OK; return SIGAR_OK;
} }
#define rt_s_addr(sa) ((struct sockaddr_in *)(sa))->sin_addr.s_addr
int sigar_net_route_list_get(sigar_t *sigar, int sigar_net_route_list_get(sigar_t *sigar,
sigar_net_route_list_t *routelist) sigar_net_route_list_t *routelist)
{ {
#if 0 /*defined(SIGAR_FREEBSD5)*/ #if defined(SIGAR_FREEBSD5)
size_t needed; size_t needed;
int mib[6]; int bit;
char *buf, *next, *lim; char *buf, *next, *lim;
struct rt_msghdr *rtm; struct rt_msghdr *rtm;
int mib[6] = { CTL_NET, PF_ROUTE, 0, 0, NET_RT_DUMP, 0 };
mib[0] = CTL_NET; if (sysctl(mib, NMIB(mib), NULL, &needed, NULL, 0) < 0) {
mib[1] = PF_ROUTE;
mib[2] = 0; /* protocol */
mib[3] = 0; /* wildcard address family */
mib[4] = NET_RT_DUMP;
mib[5] = 0; /* no flags */
if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
return errno; return errno;
} }
buf = malloc(needed); buf = malloc(needed);
if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { if (sysctl(mib, NMIB(mib), buf, &needed, NULL, 0) < 0) {
free(buf); free(buf);
return errno; return errno;
} }
@ -1414,6 +1410,10 @@ int sigar_net_route_list_get(sigar_t *sigar,
sigar_net_route_t *route; sigar_net_route_t *route;
rtm = (struct rt_msghdr *)next; rtm = (struct rt_msghdr *)next;
if (rtm->rtm_type != RTM_GET) {
continue;
}
sa = (struct sockaddr *)(rtm + 1); sa = (struct sockaddr *)(rtm + 1);
if (sa->sa_family != AF_INET) { if (sa->sa_family != AF_INET) {
@ -1425,6 +1425,32 @@ int sigar_net_route_list_get(sigar_t *sigar,
SIGAR_ZERO(route); SIGAR_ZERO(route);
route->flags = rtm->rtm_flags; route->flags = rtm->rtm_flags;
for (bit=RTA_DST;
bit && ((char *)sa < lim);
bit <<= 1)
{
if ((rtm->rtm_addrs & bit) == 0) {
continue;
}
switch (bit) {
case RTA_DST:
route->destination = rt_s_addr(sa);
break;
case RTA_GATEWAY:
if (sa->sa_family == AF_INET) {
route->gateway = rt_s_addr(sa);
}
break;
case RTA_NETMASK:
route->mask = rt_s_addr(sa);
break;
case RTA_IFA:
break;
}
sa = (struct sockaddr *)((char *)sa + SA_SIZE(sa));
}
} }
free(buf); free(buf);