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network: add support for dropping address

This commit is contained in:
Tom Gundersen 2013-12-31 17:31:50 +01:00
parent 9b55cd5665
commit 407fe036a2
2 changed files with 40 additions and 0 deletions
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39
src/network/networkd-address.c
View File

@ -74,6 +74,45 @@ void address_free(Address *address) {
free(address);
}
int address_drop(Address *address, Link *link,
sd_rtnl_message_handler_t callback) {
_cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
int r;
assert(address);
assert(address->family == AF_INET || address->family == AF_INET6);
assert(link);
assert(link->ifindex > 0);
assert(link->manager);
assert(link->manager->rtnl);
r = sd_rtnl_message_addr_new(RTM_DELADDR, link->ifindex,
address->family, address->prefixlen, 0, 0, &req);
if (r < 0) {
log_error("Could not allocate RTM_DELADDR message: %s",
strerror(-r));
return r;
}
if (address->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
else if (address->family == AF_INET6)
r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
if (r < 0) {
log_error("Could not append IFA_LOCAL attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
if (r < 0) {
log_error("Could not send rtnetlink message: %s", strerror(-r));
return r;
}
return 0;
}
int address_configure(Address *address, Link *link,
sd_rtnl_message_handler_t callback) {
_cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;

1
src/network/networkd.h
View File

@ -242,6 +242,7 @@ int config_parse_destination(const char *unit, const char *filename, unsigned li
int address_new(Network *network, unsigned section, Address **ret);
void address_free(Address *address);
int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback);
int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback);
DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
#define _cleanup_address_free_ _cleanup_(address_freep)