static void
daemon_watch_cb (GPid pid, gint status, gpointer user_data)
{
NMDHCPClient *self = NM_DHCP_CLIENT (user_data);
NMDHCPClientPrivate *priv = NM_DHCP_CLIENT_GET_PRIVATE (self);
NMDHCPState new_state;
if (priv->ipv6) {
nm_log_info (LOGD_DHCP6, "(%s): DHCPv6 client pid %d exited with status %d",
priv->iface, pid,
WIFEXITED (status) ? WEXITSTATUS (status) : -1);
} else {
nm_log_info (LOGD_DHCP4, "(%s): DHCPv4 client pid %d exited with status %d",
priv->iface, pid,
WIFEXITED (status) ? WEXITSTATUS (status) : -1);
}
if (!WIFEXITED (status)) {
new_state = DHC_ABEND;
nm_log_warn (LOGD_DHCP, "DHCP client died abnormally");
} else
new_state = DHC_END;
watch_cleanup (self);
timeout_cleanup (self);
priv->dead = TRUE;
dhcp_client_set_state (self, new_state, TRUE, FALSE);
}
void
nm_dhcp_client_stop (NMDHCPClient *self, gboolean release)
{
NMDHCPClientPrivate *priv;
g_return_if_fail (self != NULL);
g_return_if_fail (NM_IS_DHCP_CLIENT (self));
priv = NM_DHCP_CLIENT_GET_PRIVATE (self);
/* Kill the DHCP client */
if (!priv->dead) {
NM_DHCP_CLIENT_GET_CLASS (self)->stop (self, release);
priv->dead = TRUE;
nm_log_info (LOGD_DHCP, "(%s): canceled DHCP transaction, DHCP client pid %d",
priv->iface, priv->pid);
}
/* And clean stuff up */
priv->pid = -1;
dhcp_client_set_state (self, DHC_END, FALSE, TRUE);
g_hash_table_remove_all (priv->options);
timeout_cleanup (self);
watch_cleanup (self);
}
void
nm_dhcp_client_new_options (NMDHCPClient *self,
GHashTable *options,
const char *reason)
{
NMDHCPClientPrivate *priv;
guint32 old_state;
guint32 new_state;
g_return_if_fail (self != NULL);
g_return_if_fail (NM_IS_DHCP_CLIENT (self));
g_return_if_fail (options != NULL);
g_return_if_fail (reason != NULL);
priv = NM_DHCP_CLIENT_GET_PRIVATE (self);
old_state = priv->state;
new_state = string_to_state (reason);
/* Clear old and save new DHCP options */
g_hash_table_remove_all (priv->options);
g_hash_table_foreach (options, copy_option, priv->options);
if (old_state == new_state) {
/* dhclient will stay in the same state (or, really, provide the same
* reason) for operations like RENEW and REBIND. We need to ensure
* that triggers various DHCP lease change code, so we need to pass
* along same-state transitions for these states.
*/
if ( new_state != DHC_BOUND4
&& new_state != DHC_RENEW4
&& new_state != DHC_REBIND4
&& new_state != DHC_BOUND6
&& new_state != DHC_RENEW6
&& new_state != DHC_REBIND6)
return;
}
/* Handle changed device state */
if (state_is_bound (new_state)) {
/* Cancel the timeout if the DHCP client is now bound */
timeout_cleanup (self);
}
if (priv->ipv6) {
nm_log_info (LOGD_DHCP6, "(%s): DHCPv6 state changed %s -> %s",
priv->iface,
state_to_string (old_state),
state_to_string (new_state));
} else {
nm_log_info (LOGD_DHCP4, "(%s): DHCPv4 state changed %s -> %s",
priv->iface,
state_to_string (old_state),
state_to_string (new_state));
}
dhcp_client_set_state (self, new_state, TRUE, FALSE);
}
void
nm_dhcp_client_new_options (NMDHCPClient *self,
GHashTable *options,
const char *reason)
{
NMDHCPClientPrivate *priv;
guint32 old_state;
guint32 new_state;
g_return_if_fail (self != NULL);
g_return_if_fail (NM_IS_DHCP_CLIENT (self));
g_return_if_fail (options != NULL);
g_return_if_fail (reason != NULL);
priv = NM_DHCP_CLIENT_GET_PRIVATE (self);
old_state = priv->state;
new_state = string_to_state (reason);
/* Clear old and save new DHCP options */
g_hash_table_remove_all (priv->options);
g_hash_table_foreach (options, copy_option, priv->options);
if (old_state == new_state)
return;
/* Handle changed device state */
if (state_is_bound (new_state)) {
/* Cancel the timeout if the DHCP client is now bound */
timeout_cleanup (self);
}
if (priv->ipv6) {
nm_log_info (LOGD_DHCP6, "(%s): DHCPv6 state changed %s -> %s",
priv->iface,
state_to_string (old_state),
state_to_string (new_state));
} else {
nm_log_info (LOGD_DHCP4, "(%s): DHCPv4 state changed %s -> %s",
priv->iface,
state_to_string (old_state),
state_to_string (new_state));
}
dhcp_client_set_state (self, new_state, TRUE, FALSE);
}
