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networkd: link - print address lifetime for tracked addresses

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This should help in debugging issues with DHCP lease renewal.
This commit is contained in:
Tom Gundersen 2014-08-14 14:01:11 +02:00
parent 9528592ff8
commit c6d3b3034a
1 changed files with 25 additions and 8 deletions
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33
src/network/networkd-link.c
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@ -1336,6 +1336,8 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message,
_cleanup_address_free_ Address *address = NULL;
Address *ad;
char buf[INET6_ADDRSTRLEN];
char valid_buf[FORMAT_TIMESPAN_MAX];
const char *valid_str = NULL;
bool address_dropped = false;
int r, ifindex;
@ -1419,6 +1421,17 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message,
return 0;
}
r = sd_rtnl_message_read_cache_info(message, IFA_CACHEINFO,
&address->cinfo);
if (r >= 0) {
if (address->cinfo.ifa_valid == CACHE_INFO_INFINITY_LIFE_TIME)
valid_str = "ever";
else
valid_str = format_timespan(valid_buf, FORMAT_TIMESPAN_MAX,
address->cinfo.ifa_valid * USEC_PER_SEC,
USEC_PER_SEC);
}
LIST_FOREACH(addresses, ad, link->addresses) {
if (address_equal(ad, address)) {
LIST_REMOVE(addresses, link->addresses, ad);
@ -1434,11 +1447,13 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message,
switch (type) {
case RTM_NEWADDR:
if (!address_dropped)
log_debug_link(link, "added address: %s/%u", buf,
address->prefixlen);
log_debug_link(link, "added address: %s/%u (valid for %s)",
buf, address->prefixlen,
strna(valid_str));
else
log_debug_link(link, "updated address: %s/%u", buf,
address->prefixlen);
log_debug_link(link, "updated address: %s/%u (valid for %s)",
buf, address->prefixlen,
strna(valid_str));
LIST_PREPEND(addresses, link->addresses, address);
address = NULL;
@ -1448,14 +1463,16 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message,
break;
case RTM_DELADDR:
if (address_dropped) {
log_debug_link(link, "removed address: %s/%u", buf,
address->prefixlen);
log_debug_link(link, "removed address: %s/%u (valid for %s)",
buf, address->prefixlen,
strna(valid_str));
link_save(link);
} else
log_warning_link(link,
"removing non-existent address: %s/%u",
buf, address->prefixlen);
"removing non-existent address: %s/%u (valid for %s)",
buf, address->prefixlen,
strna(valid_str));
break;
default: