static void net_cond_set(char *ifname, char *cond, int set)
{
char msg[MAX_ARG_LEN];
snprintf(msg, sizeof(msg), "net/%s/%s", ifname, cond);
if (set)
cond_set(msg);
else
cond_clear(msg);
}
static int do_handle_event(char *event)
{
int i;
for (i = 0; ev_list[i].event; i++) {
ev_t *e = &ev_list[i];
size_t len = MAX(strlen(e->event), strlen(event));
if (!strncasecmp(e->event, event, len)) {
e->cb();
return 0;
}
}
if (event[0] == '-')
cond_clear(&event[1]);
else if (event[0] == '+')
cond_set(&event[1]);
else
cond_set(event);
return 0;
}
static void nl_route(struct nlmsghdr *nlmsg)
{
struct rtmsg *r;
struct rtattr *a;
int la;
int gw = 0, dst = 0, mask = 0, idx = 0;
if (nlmsg->nlmsg_len < NLMSG_LENGTH(sizeof(struct rtmsg))) {
_e("Packet too small or truncated!");
return;
}
r = NLMSG_DATA(nlmsg);
a = RTM_RTA(r);
la = RTM_PAYLOAD(nlmsg);
while (RTA_OK(a, la)) {
void *data = RTA_DATA(a);
switch (a->rta_type) {
case RTA_GATEWAY:
gw = *((int *)data);
//_d("GW: 0x%04x", gw);
break;
case RTA_DST:
dst = *((int *)data);
mask = r->rtm_dst_len;
//_d("MASK: 0x%04x", mask);
break;
case RTA_OIF:
idx = *((int *)data);
//_d("IDX: 0x%04x", idx);
break;
}
a = RTA_NEXT(a, la);
}
if ((!dst && !mask) && (gw || idx)) {
if (nlmsg->nlmsg_type == RTM_DELROUTE)
cond_clear("net/route/default");
else
cond_set("net/route/default");
}
}
static void pidfile_callback(void *UNUSED(arg), int fd, int UNUSED(events))
{
static char ev_buf[8 *(sizeof(struct inotify_event) + NAME_MAX + 1) + 1];
static char cond[MAX_ARG_LEN];
struct inotify_event *ev;
ssize_t sz, len;
char *basename;
svc_t *svc;
sz = read(fd, ev_buf, sizeof(ev_buf) - 1);
if (sz <= 0) {
_pe("invalid inotify event");
return;
}
ev_buf[sz] = 0;
for (ev = (void *)ev_buf; sz > (ssize_t)sizeof(*ev);
len = sizeof(*ev) + ev->len, ev = (void *)ev + len, sz -= len) {
/* ev = (void *)(ev + 1) + ev->len, sz -= sizeof(*ev) + ev->len) { */
if (!ev->mask || !strstr(ev->name, ".pid"))
continue;
basename = strtok(ev->name, ".");
if (!basename)
continue;
svc = svc_find_by_nameid(basename, 1);
if (!svc)
continue;
/* TODO FIXME XXX WKZ check that pid is controlled by finit */
_d("%s: match %s", basename, svc->cmd);
snprintf(cond, sizeof(cond), "svc%s", svc->cmd);
if (ev->mask & (IN_CREATE | IN_ATTRIB)) {
svc_started(svc);
cond_set(cond);
} else if (ev->mask & IN_DELETE)
cond_clear(cond);
}
}
static void nl_link(struct nlmsghdr *nlmsg)
{
int la;
char ifname[IFNAMSIZ + 1];
struct rtattr *a;
struct ifinfomsg *i;
if (nlmsg->nlmsg_len < NLMSG_LENGTH(sizeof(struct ifinfomsg))) {
_e("Packet too small or truncated!");
return;
}
i = NLMSG_DATA(nlmsg);
a = (struct rtattr *)((char *)i + NLMSG_ALIGN(sizeof(struct ifinfomsg)));
la = NLMSG_PAYLOAD(nlmsg, sizeof(struct ifinfomsg));
while (RTA_OK(a, la)) {
if (a->rta_type == IFLA_IFNAME) {
char msg[MAX_ARG_LEN];
strlcpy(ifname, RTA_DATA(a), sizeof(ifname));
switch (nlmsg->nlmsg_type) {
case RTM_NEWLINK:
/*
* New interface has appearad, or interface flags has changed.
* Check ifi_flags here to see if the interface is UP/DOWN
*/
if (i->ifi_change & IFF_UP) {
snprintf(msg, sizeof(msg), "net/%s/up", ifname);
if (i->ifi_flags & IFF_UP)
cond_set(msg);
else
cond_clear(msg);
} else {
snprintf(msg, sizeof(msg), "net/%s/exist", ifname);
cond_set(msg);
}
break;
case RTM_DELLINK:
/* NOTE: Interface has dissapeared, not link down ... */
snprintf(msg, sizeof(msg), "net/%s/exist", ifname);
cond_clear(msg);
break;
case RTM_NEWADDR:
_d("%s: New Address", ifname);
break;
case RTM_DELADDR:
_d("%s: Deconfig Address", ifname);
break;
default:
_d("%s: Msg 0x%x", ifname, nlmsg->nlmsg_type);
break;
}
}
a = RTA_NEXT(a, la);
}
}
