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path: root/src/libsystemd-network/sd-dhcp6-client.c
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Diffstat (limited to 'src/libsystemd-network/sd-dhcp6-client.c')
-rw-r--r--src/libsystemd-network/sd-dhcp6-client.c96
1 files changed, 46 insertions, 50 deletions
diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c
index 10c3654020..5489c77864 100644
--- a/src/libsystemd-network/sd-dhcp6-client.c
+++ b/src/libsystemd-network/sd-dhcp6-client.c
@@ -27,7 +27,6 @@
#include "udev.h"
#include "udev-util.h"
#include "util.h"
-#include "refcnt.h"
#include "random-util.h"
#include "network-internal.h"
@@ -40,7 +39,7 @@
#define MAX_MAC_ADDR_LEN INFINIBAND_ALEN
struct sd_dhcp6_client {
- RefCount n_ref;
+ unsigned n_ref;
enum DHCP6State state;
sd_event *event;
@@ -113,9 +112,7 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(sd_dhcp6_client*, sd_dhcp6_client_unref);
static int client_start(sd_dhcp6_client *client, enum DHCP6State state);
-int sd_dhcp6_client_set_callback(sd_dhcp6_client *client,
- sd_dhcp6_client_cb_t cb, void *userdata)
-{
+int sd_dhcp6_client_set_callback(sd_dhcp6_client *client, sd_dhcp6_client_cb_t cb, void *userdata) {
assert_return(client, -EINVAL);
client->cb = cb;
@@ -124,8 +121,7 @@ int sd_dhcp6_client_set_callback(sd_dhcp6_client *client,
return 0;
}
-int sd_dhcp6_client_set_index(sd_dhcp6_client *client, int interface_index)
-{
+int sd_dhcp6_client_set_index(sd_dhcp6_client *client, int interface_index) {
assert_return(client, -EINVAL);
assert_return(interface_index >= -1, -EINVAL);
@@ -134,9 +130,11 @@ int sd_dhcp6_client_set_index(sd_dhcp6_client *client, int interface_index)
return 0;
}
-int sd_dhcp6_client_set_mac(sd_dhcp6_client *client, const uint8_t *addr,
- size_t addr_len, uint16_t arp_type)
-{
+int sd_dhcp6_client_set_mac(
+ sd_dhcp6_client *client,
+ const uint8_t *addr, size_t addr_len,
+ uint16_t arp_type) {
+
assert_return(client, -EINVAL);
assert_return(addr, -EINVAL);
assert_return(addr_len > 0 && addr_len <= MAX_MAC_ADDR_LEN, -EINVAL);
@@ -160,16 +158,17 @@ int sd_dhcp6_client_set_mac(sd_dhcp6_client *client, const uint8_t *addr,
return 0;
}
-static int client_ensure_duid(sd_dhcp6_client *client)
-{
+static int client_ensure_duid(sd_dhcp6_client *client) {
if (client->duid_len != 0)
return 0;
+
return dhcp_identifier_set_duid_en(&client->duid, &client->duid_len);
}
-int sd_dhcp6_client_set_duid(sd_dhcp6_client *client, uint16_t type, uint8_t *duid,
- size_t duid_len)
-{
+int sd_dhcp6_client_set_duid(
+ sd_dhcp6_client *client,
+ uint16_t type,
+ uint8_t *duid, size_t duid_len) {
assert_return(client, -EINVAL);
assert_return(duid, -EINVAL);
assert_return(duid_len > 0 && duid_len <= MAX_DUID_LEN, -EINVAL);
@@ -203,8 +202,7 @@ int sd_dhcp6_client_set_duid(sd_dhcp6_client *client, uint16_t type, uint8_t *du
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, bool enabled) {
assert_return(client, -EINVAL);
client->information_request = enabled;
@@ -212,8 +210,7 @@ int sd_dhcp6_client_set_information_request(sd_dhcp6_client *client,
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, bool *enabled) {
assert_return(client, -EINVAL);
assert_return(enabled, -EINVAL);
@@ -222,8 +219,7 @@ int sd_dhcp6_client_get_information_request(sd_dhcp6_client *client,
return 0;
}
-int sd_dhcp6_client_set_request_option(sd_dhcp6_client *client,
- uint16_t option) {
+int sd_dhcp6_client_set_request_option(sd_dhcp6_client *client, uint16_t option) {
size_t t;
assert_return(client, -EINVAL);
@@ -805,9 +801,7 @@ static int client_parse_message(sd_dhcp6_client *client,
return r;
}
-static int client_receive_reply(sd_dhcp6_client *client, DHCP6Message *reply,
- size_t len)
-{
+static int client_receive_reply(sd_dhcp6_client *client, DHCP6Message *reply, size_t len) {
int r;
_cleanup_dhcp6_lease_free_ sd_dhcp6_lease *lease = NULL;
bool rapid_commit;
@@ -843,8 +837,7 @@ static int client_receive_reply(sd_dhcp6_client *client, DHCP6Message *reply,
return DHCP6_STATE_BOUND;
}
-static int client_receive_advertise(sd_dhcp6_client *client,
- DHCP6Message *advertise, size_t len) {
+static int client_receive_advertise(sd_dhcp6_client *client, DHCP6Message *advertise, size_t len) {
int r;
_cleanup_dhcp6_lease_free_ sd_dhcp6_lease *lease = NULL;
uint8_t pref_advertise = 0, pref_lease = 0;
@@ -879,8 +872,7 @@ static int client_receive_advertise(sd_dhcp6_client *client,
return r;
}
-static int client_receive_message(sd_event_source *s, int fd, uint32_t revents,
- void *userdata) {
+static int client_receive_message(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
sd_dhcp6_client *client = userdata;
DHCP6_CLIENT_DONT_DESTROY(client);
_cleanup_free_ DHCP6Message *message;
@@ -991,8 +983,7 @@ static int client_receive_message(sd_event_source *s, int fd, uint32_t revents,
return 0;
}
-static int client_start(sd_dhcp6_client *client, enum DHCP6State state)
-{
+static int client_start(sd_dhcp6_client *client, enum DHCP6State state) {
int r;
usec_t timeout, time_now;
char time_string[FORMAT_TIMESPAN_MAX];
@@ -1121,15 +1112,13 @@ static int client_start(sd_dhcp6_client *client, enum DHCP6State state)
return 0;
}
-int sd_dhcp6_client_stop(sd_dhcp6_client *client)
-{
+int sd_dhcp6_client_stop(sd_dhcp6_client *client) {
client_stop(client, DHCP6_EVENT_STOP);
return 0;
}
-int sd_dhcp6_client_start(sd_dhcp6_client *client)
-{
+int sd_dhcp6_client_start(sd_dhcp6_client *client) {
int r = 0;
enum DHCP6State state = DHCP6_STATE_SOLICITATION;
@@ -1185,9 +1174,7 @@ error:
return r;
}
-int sd_dhcp6_client_attach_event(sd_dhcp6_client *client, sd_event *event,
- int priority)
-{
+int sd_dhcp6_client_attach_event(sd_dhcp6_client *client, sd_event *event, int priority) {
int r;
assert_return(client, -EINVAL);
@@ -1222,30 +1209,39 @@ sd_event *sd_dhcp6_client_get_event(sd_dhcp6_client *client) {
}
sd_dhcp6_client *sd_dhcp6_client_ref(sd_dhcp6_client *client) {
- if (client)
- assert_se(REFCNT_INC(client->n_ref) >= 2);
+
+ if (!client)
+ return NULL;
+
+ assert(client->n_ref >= 1);
+ client->n_ref++;
return client;
}
sd_dhcp6_client *sd_dhcp6_client_unref(sd_dhcp6_client *client) {
- if (client && REFCNT_DEC(client->n_ref) == 0) {
- client_reset(client);
- sd_dhcp6_client_detach_event(client);
- sd_dhcp6_lease_unref(client->lease);
+ if (!client)
+ return NULL;
- free(client->req_opts);
- free(client);
+ assert(client->n_ref >= 1);
+ client->n_ref--;
+ if (client->n_ref > 0)
return NULL;
- }
- return client;
+ client_reset(client);
+
+ sd_dhcp6_client_detach_event(client);
+ sd_dhcp6_lease_unref(client->lease);
+
+ free(client->req_opts);
+ free(client);
+
+ return NULL;
}
-int sd_dhcp6_client_new(sd_dhcp6_client **ret)
-{
+int sd_dhcp6_client_new(sd_dhcp6_client **ret) {
_cleanup_dhcp6_client_unref_ sd_dhcp6_client *client = NULL;
size_t t;
@@ -1255,7 +1251,7 @@ int sd_dhcp6_client_new(sd_dhcp6_client **ret)
if (!client)
return -ENOMEM;
- client->n_ref = REFCNT_INIT;
+ client->n_ref = 1;
client->ia_na.type = DHCP6_OPTION_IA_NA;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-24 11:39:49 +0000