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dns: Refactor changing of Dnsconfd plugin state

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This commit is contained in:
Tomas Korbar
2025-03-13 12:34:09 +01:00
committed by Beniamino Galvani
parent 4ad20787bb
commit 7ba27f7a13
1 changed files with 21 additions and 24 deletions
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45
src/core/dns/nm-dns-dnsconfd.c
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@@ -71,6 +71,15 @@ typedef enum {
/*****************************************************************************/
static void
dnsconfd_change_plugin_state(NMDnsDnsconfd *self, DnsconfdPluginState new_state)
{
NMDnsDnsconfdPrivate *priv = NM_DNS_DNSCONFD_GET_PRIVATE(self);
priv->plugin_state = new_state;
_nm_dns_plugin_update_pending_maybe_changed(NM_DNS_PLUGIN(self));
}
static void
dnsconfd_serial_changed(NMDnsDnsconfd *self, guint new_serial)
{
@@ -78,12 +87,10 @@ dnsconfd_serial_changed(NMDnsDnsconfd *self, guint new_serial)
priv->present_configuration_serial = new_serial;
if (priv->plugin_state == DNSCONFD_PLUGIN_WAIT_SERIAL
&& priv->awaited_configuration_serial == new_serial) {
priv->plugin_state = DNSCONFD_PLUGIN_IDLE;
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_IDLE);
/* Update finished, serials match */
_LOGT("serials match, update finished");
}
_nm_dns_plugin_update_pending_maybe_changed(NM_DNS_PLUGIN(self));
}
static void
@@ -134,8 +141,7 @@ dnsconfd_serial_retrieval_done(GObject *source_object, GAsyncResult *res, gpoint
if (!response) {
_LOGW("dnsconfd serial retrieval failed: %s", error->message);
priv->plugin_state = DNSCONFD_PLUGIN_IDLE;
_nm_dns_plugin_update_pending_maybe_changed(NM_DNS_PLUGIN(self));
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_IDLE);
return;
}
@@ -210,8 +216,7 @@ dnsconfd_update_done(GObject *source_object, GAsyncResult *res, gpointer user_da
if (!response) {
_LOGW("dnsconfd update failed: %s", error->message);
priv->plugin_state = DNSCONFD_PLUGIN_IDLE;
_nm_dns_plugin_update_pending_maybe_changed(NM_DNS_PLUGIN(self));
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_IDLE);
return;
}
@@ -221,8 +226,7 @@ dnsconfd_update_done(GObject *source_object, GAsyncResult *res, gpointer user_da
if (!awaited_serial) {
_LOGW("dnsconfd refused update: %s", dnsconfd_message);
priv->plugin_state = DNSCONFD_PLUGIN_IDLE;
_nm_dns_plugin_update_pending_maybe_changed(NM_DNS_PLUGIN(self));
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_IDLE);
return;
}
@@ -231,14 +235,12 @@ dnsconfd_update_done(GObject *source_object, GAsyncResult *res, gpointer user_da
if (priv->awaited_configuration_serial == priv->present_configuration_serial) {
/* Serials match, update finished */
priv->plugin_state = DNSCONFD_PLUGIN_IDLE;
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_IDLE);
_LOGT("after update serials match");
} else {
priv->plugin_state = DNSCONFD_PLUGIN_WAIT_SERIAL;
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_WAIT_SERIAL);
_LOGT("after update serials don't match, waiting");
}
_nm_dns_plugin_update_pending_maybe_changed(NM_DNS_PLUGIN(self));
}
static gboolean
@@ -489,8 +491,7 @@ name_owner_changed(NMDnsDnsconfd *self, const char *name_owner)
|| priv->plugin_state == DNSCONFD_PLUGIN_WAIT_SERIAL) {
/* We were waiting for either serial or confirmation of update and name
* disappeared, thus we need to retransmit */
priv->plugin_state = DNSCONFD_PLUGIN_WAIT_CONNECT;
_nm_dns_plugin_update_pending_maybe_changed(NM_DNS_PLUGIN(self));
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_WAIT_CONNECT);
}
return;
}
@@ -501,15 +502,13 @@ name_owner_changed(NMDnsDnsconfd *self, const char *name_owner)
if (!subscribe_serial(self)) {
/* This means that in time between new name and subscribe serial call
* we lost the name again thus wait again */
priv->plugin_state = DNSCONFD_PLUGIN_WAIT_CONNECT;
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_WAIT_CONNECT);
_LOGT("subscription failed, waiting to connect");
} else {
priv->plugin_state = DNSCONFD_PLUGIN_WAIT_UPDATE_DONE;
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_WAIT_UPDATE_DONE);
_LOGT("sending update and waiting for its finish");
send_dnsconfd_update(self);
}
_nm_dns_plugin_update_pending_maybe_changed(NM_DNS_PLUGIN(self));
}
static void
@@ -706,18 +705,16 @@ update(NMDnsPlugin *plugin,
/* We need to consider only whether we are connected, because newer update call
* overrides the old one */
if (all_connected == CONNECTION_FAIL) {
priv->plugin_state = DNSCONFD_PLUGIN_IDLE;
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_IDLE);
_LOGT("failed to connect");
} else if (all_connected == CONNECTION_WAIT) {
priv->plugin_state = DNSCONFD_PLUGIN_WAIT_CONNECT;
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_WAIT_CONNECT);
_LOGT("not connected, waiting to connect");
} else {
priv->plugin_state = DNSCONFD_PLUGIN_WAIT_UPDATE_DONE;
dnsconfd_change_plugin_state(self, DNSCONFD_PLUGIN_WAIT_UPDATE_DONE);
_LOGT("connected, waiting for update to finish");
}
_nm_dns_plugin_update_pending_maybe_changed(plugin);
if (all_connected == CONNECTION_FAIL) {
nm_utils_error_set(error,
NM_UTILS_ERROR_UNKNOWN,