#include <sys/ioctl.h>
#include <linux/if_infiniband.h>
-#include "udev.h"
-#include "udev-util.h"
-#include "util.h"
-#include "random-util.h"
-
-#include "network-internal.h"
#include "sd-dhcp6-client.h"
-#include "dhcp6-protocol.h"
+
+#include "alloc-util.h"
+#include "dhcp-identifier.h"
#include "dhcp6-internal.h"
#include "dhcp6-lease-internal.h"
-#include "dhcp-identifier.h"
+#include "dhcp6-protocol.h"
+#include "fd-util.h"
+#include "network-internal.h"
+#include "random-util.h"
+#include "string-table.h"
+#include "util.h"
#define MAX_MAC_ADDR_LEN INFINIBAND_ALEN
assert_return(client, -EINVAL);
assert_return(interface_index >= -1, -EINVAL);
+ assert_return(IN_SET(client->state, DHCP6_STATE_STOPPED), -EBUSY);
+
client->index = interface_index;
return 0;
assert_return(addr_len > 0 && addr_len <= MAX_MAC_ADDR_LEN, -EINVAL);
assert_return(arp_type > 0, -EINVAL);
+ assert_return(IN_SET(client->state, DHCP6_STATE_STOPPED), -EBUSY);
+
if (arp_type == ARPHRD_ETHER)
assert_return(addr_len == ETH_ALEN, -EINVAL);
else if (arp_type == ARPHRD_INFINIBAND)
assert_return(duid, -EINVAL);
assert_return(duid_len > 0 && duid_len <= MAX_DUID_LEN, -EINVAL);
+ assert_return(IN_SET(client->state, DHCP6_STATE_STOPPED), -EBUSY);
+
switch (type) {
case DHCP6_DUID_LLT:
if (duid_len <= sizeof(client->duid.llt))
return 0;
}
-int sd_dhcp6_client_set_information_request(sd_dhcp6_client *client, bool enabled) {
+int sd_dhcp6_client_set_information_request(sd_dhcp6_client *client, int enabled) {
assert_return(client, -EINVAL);
+ assert_return(IN_SET(client->state, DHCP6_STATE_STOPPED), -EBUSY);
client->information_request = enabled;
return 0;
}
-int sd_dhcp6_client_get_information_request(sd_dhcp6_client *client, bool *enabled) {
+int sd_dhcp6_client_get_information_request(sd_dhcp6_client *client, int *enabled) {
assert_return(client, -EINVAL);
assert_return(enabled, -EINVAL);
client->cb(client, event, client->userdata);
}
-static int client_reset(sd_dhcp6_client *client) {
- assert_return(client, -EINVAL);
-
+static void client_set_lease(sd_dhcp6_client *client, sd_dhcp6_lease *lease) {
if (client->lease) {
dhcp6_lease_clear_timers(&client->lease->ia);
- client->lease = sd_dhcp6_lease_unref(client->lease);
+ sd_dhcp6_lease_unref(client->lease);
}
+ client->lease = lease;
+}
+
+static int client_reset(sd_dhcp6_client *client) {
+ assert_return(client, -EINVAL);
+
+ client_set_lease(client, NULL);
client->receive_message =
sd_event_source_unref(client->receive_message);
}
log_dhcp6_client(client, "Next retransmission in %s",
- format_timespan(time_string, FORMAT_TIMESPAN_MAX,
- client->retransmit_time, 0));
+ format_timespan(time_string, FORMAT_TIMESPAN_MAX, client->retransmit_time, USEC_PER_SEC));
r = sd_event_add_time(client->event, &client->timeout_resend,
clock_boottime_or_monotonic(),
return 0;
}
- if (client->lease) {
- dhcp6_lease_clear_timers(&client->lease->ia);
- client->lease = sd_dhcp6_lease_unref(client->lease);
- }
-
- client->lease = lease;
+ client_set_lease(client, lease);
lease = NULL;
return DHCP6_STATE_BOUND;
r = dhcp6_lease_get_preference(client->lease, &pref_lease);
if (r < 0 || pref_advertise > pref_lease) {
- sd_dhcp6_lease_unref(client->lease);
- client->lease = lease;
+ client_set_lease(client, lease);
lease = NULL;
r = 0;
}
timeout = client_timeout_compute_random(be32toh(client->lease->ia.lifetime_t1) * USEC_PER_SEC);
log_dhcp6_client(client, "T1 expires in %s",
- format_timespan(time_string,
- FORMAT_TIMESPAN_MAX,
- timeout, 0));
+ format_timespan(time_string, FORMAT_TIMESPAN_MAX, timeout, USEC_PER_SEC));
r = sd_event_add_time(client->event,
&client->lease->ia.timeout_t1,
timeout = client_timeout_compute_random(be32toh(client->lease->ia.lifetime_t2) * USEC_PER_SEC);
log_dhcp6_client(client, "T2 expires in %s",
- format_timespan(time_string,
- FORMAT_TIMESPAN_MAX,
- timeout, 0));
+ format_timespan(time_string, FORMAT_TIMESPAN_MAX, timeout, USEC_PER_SEC));
r = sd_event_add_time(client->event,
&client->lease->ia.timeout_t2,
assert_return(client->event, -EINVAL);
assert_return(client->index > 0, -EINVAL);
+ if (!IN_SET(client->state, DHCP6_STATE_STOPPED))
+ return -EALREADY;
+
r = client_reset(client);
if (r < 0)
return r;
client_reset(client);
sd_dhcp6_client_detach_event(client);
- sd_dhcp6_lease_unref(client->lease);
free(client->req_opts);
free(client);