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plugins: netlink: minor refactor, collapse for-loop

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Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
This commit is contained in:
Joachim Wiberg committed 2021-03-07 12:20:59 +01:00
1 parent 70a1acc210
commit 1abd43384b
1 file changed
+32 -33
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plugins/netlink.c
+32 -33
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@@ -131,44 +131,43 @@ static void nl_link(struct nlmsghdr *nlmsg, ssize_t len)
return; return;
} }
while (RTA_OK(a, la)) { for (; RTA_OK(a, la); a = RTA_NEXT(a, la)) {
if (a->rta_type == IFLA_IFNAME) { if (a->rta_type != IFLA_IFNAME)
strlcpy(ifname, RTA_DATA(a), sizeof(ifname)); continue;
switch (nlmsg->nlmsg_type) {
case RTM_NEWLINK:
/*
* New interface has appeared, or interface flags has changed.
* Check ifi_flags here to see if the interface is UP/DOWN
*/
_d("%s: New link, flags 0x%x, change 0x%x", ifname, i->ifi_flags, i->ifi_change);
net_cond_set(ifname, "exist", 1);
net_cond_set(ifname, "up", i->ifi_flags & IFF_UP);
net_cond_set(ifname, "running", i->ifi_flags & IFF_RUNNING);
break;
case RTM_DELLINK: strlcpy(ifname, RTA_DATA(a), sizeof(ifname));
/* NOTE: Interface has disappeared, not link down ... */ switch (nlmsg->nlmsg_type) {
_d("%s: Delete link", ifname); case RTM_NEWLINK:
net_cond_set(ifname, "exist", 0); /*
net_cond_set(ifname, "up", 0); * New interface has appeared, or interface flags has changed.
net_cond_set(ifname, "running", 0); * Check ifi_flags here to see if the interface is UP/DOWN
break; */
_d("%s: New link, flags 0x%x, change 0x%x", ifname, i->ifi_flags, i->ifi_change);
net_cond_set(ifname, "exist", 1);
net_cond_set(ifname, "up", i->ifi_flags & IFF_UP);
net_cond_set(ifname, "running", i->ifi_flags & IFF_RUNNING);
break;
case RTM_NEWADDR: case RTM_DELLINK:
_d("%s: New Address", ifname); /* NOTE: Interface has disappeared, not link down ... */
break; _d("%s: Delete link", ifname);
net_cond_set(ifname, "exist", 0);
net_cond_set(ifname, "up", 0);
net_cond_set(ifname, "running", 0);
break;
case RTM_DELADDR: case RTM_NEWADDR:
_d("%s: Deconfig Address", ifname); _d("%s: New Address", ifname);
break; break;
default: case RTM_DELADDR:
_d("%s: Msg 0x%x", ifname, nlmsg->nlmsg_type); _d("%s: Deconfig Address", ifname);
break; break;
}
default:
_d("%s: Msg 0x%x", ifname, nlmsg->nlmsg_type);
break;
} }
a = RTA_NEXT(a, la);
} }
} }