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network: dhcp6: logs about generated addresses in delegated prefix

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This commit is contained in:
Yu Watanabe 2021-04-20 10:08:08 +09:00
parent 4b409e855b
commit baad6421b1
1 changed files with 28 additions and 0 deletions
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28
src/network/networkd-dhcp6.c
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@ -363,6 +363,33 @@ static int dhcp6_pd_address_handler(sd_netlink *rtnl, sd_netlink_message *m, Lin
return 1;
}
static void log_dhcp6_pd_address(Link *link, const Address *address) {
char valid_buf[FORMAT_TIMESPAN_MAX], preferred_buf[FORMAT_TIMESPAN_MAX];
const char *valid_str = NULL, *preferred_str = NULL;
_cleanup_free_ char *buffer = NULL;
int log_level;
log_level = address_get(link, address, NULL) >= 0 ? LOG_DEBUG : LOG_INFO;
if (log_level < log_get_max_level())
return;
(void) in_addr_prefix_to_string(address->family, &address->in_addr, address->prefixlen, &buffer);
if (address->cinfo.ifa_valid != CACHE_INFO_INFINITY_LIFE_TIME)
valid_str = format_timespan(valid_buf, FORMAT_TIMESPAN_MAX,
address->cinfo.ifa_valid * USEC_PER_SEC,
USEC_PER_SEC);
if (address->cinfo.ifa_prefered != CACHE_INFO_INFINITY_LIFE_TIME)
preferred_str = format_timespan(preferred_buf, FORMAT_TIMESPAN_MAX,
address->cinfo.ifa_prefered * USEC_PER_SEC,
USEC_PER_SEC);
log_link_full(link, log_level, "DHCPv6-PD address %s (valid %s%s, preferred %s%s)",
strna(buffer),
valid_str ? "for " : "forever", strempty(valid_str),
preferred_str ? "for " : "forever", strempty(preferred_str));
}
static int dhcp6_set_pd_address(
Link *link,
const union in_addr_union *prefix,
@ -400,6 +427,7 @@ static int dhcp6_set_pd_address(
address->cinfo.ifa_valid = lifetime_valid;
SET_FLAG(address->flags, IFA_F_MANAGETEMPADDR, link->network->dhcp6_pd_manage_temporary_address);
log_dhcp6_pd_address(link, address);
r = address_configure(address, link, dhcp6_pd_address_handler, &ret);
if (r < 0)
return log_link_error_errno(link, r, "Failed to set DHCPv6 delegated prefix address: %m");