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authorRodrigo Moya <rodrigo@ximian.com>2001-02-13 20:29:46 +0800
committerRodrigo Moya <rodrigo@src.gnome.org>2001-02-13 20:29:46 +0800
commitbee9f02567be43ddee25304c184325794f7fff4e (patch)
tree7ac5b1df15d7f91210c4571121097627ea4483d8 /calendar
parent55f79213d2b2a6288bc222b6f9ccf55490fdd125 (diff)
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cal_backend_db_update_object(): manage both updates and additions/add
2001-02-12 Rodrigo Moya <rodrigo@ximian.com> * pcs/cal-backend-file.c: cal_backend_db_update_object(): manage both updates and additions/add notification cal_backend_db_get_object(): don't use DB cursors cal_backend_db_get_type_by_uid(): don't use DB cursors cal_backend_db_remove_object(): don't use DB cursors/add notification cal_backend_db_get_alarms_in_range(): implemented svn path=/trunk/; revision=8204
Diffstat (limited to 'calendar')
-rw-r--r--calendar/ChangeLog10
-rw-r--r--calendar/pcs/cal-backend-db.c680
2 files changed, 496 insertions, 194 deletions
diff --git a/calendar/ChangeLog b/calendar/ChangeLog
index 3ca253d5f0..9e44f14095 100644
--- a/calendar/ChangeLog
+++ b/calendar/ChangeLog
@@ -1,3 +1,12 @@
+2001-02-12 Rodrigo Moya <rodrigo@ximian.com>
+
+ * pcs/cal-backend-file.c:
+ cal_backend_db_update_object(): manage both updates and additions/add notification
+ cal_backend_db_get_object(): don't use DB cursors
+ cal_backend_db_get_type_by_uid(): don't use DB cursors
+ cal_backend_db_remove_object(): don't use DB cursors/add notification
+ cal_backend_db_get_alarms_in_range(): implemented
+
2001-02-12 Kjartan Maraas <kmaraas@gnome.org>
* gui/Makefile.am: Hook up the xml-i18n-tools + .oaf.in stuff.
@@ -5,6 +14,7 @@
2001-02-11 Rodrigo Moya <rodrigo@ximian.com>
+ * pcs/cal-backend-db.c: added DB3 transactions support
* pcs/cal-backend-db.[ch]: added the new DB3-based backend. This is just
the beginning, there are some missing things still.
diff --git a/calendar/pcs/cal-backend-db.c b/calendar/pcs/cal-backend-db.c
index 70f7ac784f..f407d31b08 100644
--- a/calendar/pcs/cal-backend-db.c
+++ b/calendar/pcs/cal-backend-db.c
@@ -267,6 +267,7 @@ open_cursor (CalBackendDB *cbdb, DB *db)
/* create the cursor */
cursor = g_new0(CalBackendDBCursor, 1);
cursor->parent_db = db;
+ cursor->ref = 1;
ret = db->cursor(db, NULL, &cursor->dbc, 0);
if (ret == 0) {
@@ -334,6 +335,7 @@ find_record_by_id (CalBackendDBCursor *cursor, const gchar *id)
return NULL; /* not found */
}
+/* start a new transaction */
static DB_TXN *
begin_transaction (CalBackendDB *cbdb)
{
@@ -351,6 +353,7 @@ begin_transaction (CalBackendDB *cbdb)
return tid;
}
+/* finish successfully a transaction */
static void
commit_transaction (DB_TXN *tid)
{
@@ -363,6 +366,7 @@ commit_transaction (DB_TXN *tid)
}
}
+/* abort a transaction */
static void
rollback_transaction (DB_TXN *tid)
{
@@ -455,6 +459,7 @@ open_database_file (CalBackendDB *cbdb, const gchar *str_uri, gboolean only_if_e
{
gint ret;
struct stat sb;
+ gchar *dir;
g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE);
g_return_val_if_fail(cbdb->priv != NULL, FALSE);
@@ -463,21 +468,19 @@ open_database_file (CalBackendDB *cbdb, const gchar *str_uri, gboolean only_if_e
g_return_val_if_fail(str_uri != NULL, FALSE);
/* initialize DB environment (for transactions) */
- if (stat(ENVIRONMENT_DIRECTORY, &sb) != 0) {
- gchar *dir;
-
+ dir = g_strdup_printf(ENVIRONMENT_DIRECTORY, g_get_home_dir());
+ if (stat(dir, &sb) != 0) {
+
/* if the directory exists, we're done, since DB will fail if it's the
* wrong one. If it does not exist, create the environment */
- dir = g_strdup_printf(ENVIRONMENT_DIRECTORY, g_get_home_dir());
if (mkdir(dir, I_RWXU) != 0) {
g_free((gpointer) dir);
return FALSE;
}
-
- g_free((gpointer) dir);
/* create the environment handle */
if ((ret = db_env_create(&cbdb->priv->environment, 0)) != 0) {
+ g_free((gpointer) dir);
return FALSE;
}
@@ -490,10 +493,13 @@ open_database_file (CalBackendDB *cbdb, const gchar *str_uri, gboolean only_if_e
DB_INIT_MPOOL | DB_INIT_TXN |
DB_RECOVER | DB_THREAD,
S_IRUSR | S_IWUSR)) != 0) {
+ g_free((gpointer) dir);
return FALSE;
}
}
+ g_free((gpointer) dir);
+
/* open/create objects database into given file */
if ((ret = db_create(&cbdb->priv->objects_db, cbdb->priv->environment, 0)) != 0
|| (ret = db_create(&cbdb->priv->history_db, cbdb->priv->environment, 0)) != 0) {
@@ -595,18 +601,18 @@ cal_backend_db_get_n_objects (CalBackend *backend, CalObjType type)
icalcomp = icalparser_parse_string((char *) data->data);
if (icalcomp) {
switch (icalcomponent_isa(icalcomp)) {
- case ICAL_VEVENT_COMPONENT :
- if (type & CALOBJ_TYPE_EVENT)
- total_count++;
- break;
- case ICAL_VTODO_COMPONENTS :
- if (type & CALOBJ_TYPE_TODO)
- total_count++;
- break;
- case ICAL_VJOURNAL_COMPONENT :
- if (type & CALOBJ_TYPE_JOURNAL)
- total_count++;
- break;
+ case ICAL_VEVENT_COMPONENT :
+ if (type & CALOBJ_TYPE_EVENT)
+ total_count++;
+ break;
+ case ICAL_VTODO_COMPONENTS :
+ if (type & CALOBJ_TYPE_TODO)
+ total_count++;
+ break;
+ case ICAL_VJOURNAL_COMPONENT :
+ if (type & CALOBJ_TYPE_JOURNAL)
+ total_count++;
+ break;
}
icalcomponent_free(icalcomp);
}
@@ -622,7 +628,9 @@ static char *
cal_backend_db_get_object (CalBackend *backend, const char *uid)
{
CalBackendDB *cbdb;
- CalBackendDBCursor *cursor;
+ gint ret;
+ DBT key;
+ DBT data;
cbdb = CAL_BACKEND_DB(backend);
g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL);
@@ -630,22 +638,21 @@ cal_backend_db_get_object (CalBackend *backend, const char *uid)
g_return_val_if_fail(cbdb->priv->objects_db != NULL, NULL);
g_return_val_if_fail(uid != NULL, NULL);
- /* open cursor */
- cursor = open_cursor(cbdb, cbdb->priv->objects_db);
- if (cursor) {
- gint ret;
- DBT *data;
-
- data = find_record_by_id(cursor, uid);
- if (data) {
- gchar *str = g_strdup((char *) data->data);
- close_cursor(cbdb, cursor);
- return str;
- }
-
- close_cursor(cbdb, cursor);
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = (void *) uid;
+ key.size = strlen(uid); // + 1
+
+ /* read record from database */
+ if ((ret = cbdb->priv->objects_db->get(cbdb->priv->objects_db,
+ NULL,
+ &key,
+ &data,
+ 0)) == 0) {
+ gchar *str = g_strdup((gchar *) data.data);
+ return str;
}
-
+
return NULL;
}
@@ -654,7 +661,9 @@ static CalObjType
cal_backend_db_get_type_by_uid (CalBackend *backend, const char *uid)
{
CalBackendDB *cbdb;
- CalBackendDBCursor *cursor;
+ DBT key;
+ DBT data;
+ gint ret;
cbdb = CAL_BACKEND_DB(backend);
g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), CAL_COMPONENT_NO_TYPE);
@@ -662,17 +671,22 @@ cal_backend_db_get_type_by_uid (CalBackend *backend, const char *uid)
g_return_val_if_fail(cbdb->priv->objects_db != NULL, CAL_COMPONENT_NO_TYPE);
g_return_val_if_fail(uid != NULL, CAL_COMPONENT_NO_TYPE);
- /* open the cursor */
- cursor = open_cursor(cbdb, cbdb->priv->objects_db);
- if (cursor) {
- DBT *data = find_record_by_id(cursor, uid);
-
- if (data) {
- icalcomponent icalcomp = icalparser_parse_string((char *) data->data);
- if (icalcomp) {
- CalObjType type;
-
- switch (icalcomponent_isa(icalcomp)) {
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = (void *) uid;
+ key.size = strlen(uid); // + 1
+
+ /* read record from database */
+ if ((ret = cbdb->priv->objects_db->get(cbdb->priv->objects_db,
+ NULL,
+ &key,
+ &data,
+ 0)) == 0) {
+ icalcomponent icalcomp = icalparser_parse_string((char *) data.data);
+ if (icalcomp) {
+ CalObjType type;
+
+ switch (icalcomponent_isa(icalcomp)) {
case ICAL_VEVENT_COMPONENT :
type = CALOBJ_TYPE_EVENT;
break;
@@ -683,15 +697,12 @@ cal_backend_db_get_type_by_uid (CalBackend *backend, const char *uid)
type = CALOBJ_TYPE_JOURNAL;
break;
default :
- type CAL_COMPONENT_NO_TYPE;
- }
-
- icalcomponent_free(icalcomp);
- close_cursor(cbdb, cursor);
- return type;
+ type = CAL_COMPONENT_NO_TYPE;
}
+
+ icalcomponent_free(icalcomp);
+ return type;
}
- close_cursor(cbdb, cursor);
}
return CAL_COMPONENT_NO_TYPE;
@@ -712,21 +723,22 @@ add_uid_if_match (GList *list, CalBackendDBCursor *cursor, GList *data_node, Cal
icalcomp = icalparser_parse_string(data->data);
if (!icalcomp) return list;
+
switch (icalcomponent_isa(icalcomp)) {
- case ICAL_VEVENT_COMPONENT :
- if (type & CALOBJ_TYPE_EVENT)
- uid = icalcomponent_get_uid(icalcomp);
- break;
- case ICAL_VTODO_COMPONENT :
- if (type & CALOBJ_TYPE_TODO)
- uid = icalcomponent_get_uid(icalcomp);
- break;
- case ICAL_VJOURNAL_COMPONENT :
- if (type & CALOBJ_TYPE_JOURNAL)
- uid = icalcomponent_get_uid(icalcomp);
- break;
- default :
- uid = NULL;
+ case ICAL_VEVENT_COMPONENT :
+ if (type & CALOBJ_TYPE_EVENT)
+ uid = icalcomponent_get_uid(icalcomp);
+ break;
+ case ICAL_VTODO_COMPONENT :
+ if (type & CALOBJ_TYPE_TODO)
+ uid = icalcomponent_get_uid(icalcomp);
+ break;
+ case ICAL_VJOURNAL_COMPONENT :
+ if (type & CALOBJ_TYPE_JOURNAL)
+ uid = icalcomponent_get_uid(icalcomp);
+ break;
+ default :
+ uid = NULL;
}
if (uid)
@@ -812,30 +824,30 @@ get_instances_in_range (GHashTable *uid_hash,
cal_component_set_icalcomponent(comp, icalcomp);
switch (icalcomponent_isa(icalcomp)) {
- case ICAL_VEVENT_COMPONENT :
- if (type & CALOBJ_TYPE_EVENT)
- cal_recur_generate_instances(comp,
- start,
- end,
- add_instance,
- uid_hash);
- break;
- case ICAL_VTODO_COMPONENT :
- if (type & CALOBJ_TYPE_TODO)
- cal_recur_generate_instances(comp,
- start,
- end,
- add_instance,
- uid_hash);
- break;
- case ICAL_VJOURNAL_COMPONENT :
- if (type & CALOBJ_TYPE_JOURNAL)
- cal_recur_generate_instances(comp,
- start,
- end,
- add_instance,
- uid_hash);
- break;
+ case ICAL_VEVENT_COMPONENT :
+ if (type & CALOBJ_TYPE_EVENT)
+ cal_recur_generate_instances(comp,
+ start,
+ end,
+ add_instance,
+ uid_hash);
+ break;
+ case ICAL_VTODO_COMPONENT :
+ if (type & CALOBJ_TYPE_TODO)
+ cal_recur_generate_instances(comp,
+ start,
+ end,
+ add_instance,
+ uid_hash);
+ break;
+ case ICAL_VJOURNAL_COMPONENT :
+ if (type & CALOBJ_TYPE_JOURNAL)
+ cal_recur_generate_instances(comp,
+ start,
+ end,
+ add_instance,
+ uid_hash);
+ break;
}
gtk_object_unref(comp);
@@ -905,6 +917,297 @@ cal_backend_db_get_changes (CalBackend *backend, CalObjType type, const char *ch
return NULL;
}
+/* computes the range of time in which recurrences should be generated for a
+ * component in order to compute alarm trigger times.
+ */
+static void
+compute_alarm_range (CalComponent *comp,
+ GList *alarm_uids,
+ time_t start,
+ time_t end,
+ time_t *alarm_start,
+ time_t *alarm_end)
+{
+ GList *l;
+
+ *alarm_start = start;
+ *alarm_end = end;
+
+ for (l = alarm_uids; l; l = l->next) {
+ const char *auid;
+ CalComponentAlarm *alarm;
+ CalAlarmTrigger trigger;
+ struct icaldurationtype *dur;
+ time_t dur_time;
+
+ auid = l->data;
+ alarm = cal_component_get_alarm (comp, auid);
+ g_assert (alarm != NULL);
+
+ cal_component_alarm_get_trigger (alarm, &trigger);
+ cal_component_alarm_free (alarm);
+
+ switch (trigger.type) {
+ case CAL_ALARM_TRIGGER_NONE:
+ case CAL_ALARM_TRIGGER_ABSOLUTE:
+ continue;
+ case CAL_ALARM_TRIGGER_RELATIVE_START:
+ case CAL_ALARM_TRIGGER_RELATIVE_END:
+ dur = &trigger.u.rel_duration;
+ dur_time = icaldurationtype_as_int (*dur);
+
+ if (dur->is_neg)
+ *alarm_end = MAX (*alarm_end, end + dur_time);
+ else
+ *alarm_start = MIN (*alarm_start, start - dur_time);
+
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+ }
+
+ g_assert (*alarm_start <= *alarm_end);
+}
+
+/* closure data to generate alarm occurrences */
+struct alarm_occurrence_data {
+ /* these are the info we have */
+ GList *alarm_uids;
+ time_t start;
+ time_t end;
+
+ /* this is what we compute */
+ GSList *triggers;
+ int n_triggers;
+};
+
+/* callback used from cal_recur_generate_instances(); generates triggers for all
+ * of a component's RELATIVE alarms.
+ */
+static gboolean
+add_alarm_occurrences_cb (CalComponent *comp, time_t start, time_t end, gpointer data)
+{
+ struct alarm_occurrence_data *aod;
+ GList *l;
+
+ aod = data;
+
+ for (l = aod->alarm_uids; l; l = l->next) {
+ const char *auid;
+ CalComponentAlarm *alarm;
+ CalAlarmTrigger trigger;
+ struct icaldurationtype *dur;
+ time_t dur_time;
+ time_t occur_time, trigger_time;
+ CalAlarmInstance *instance;
+
+ auid = l->data;
+ alarm = cal_component_get_alarm (comp, auid);
+ g_assert (alarm != NULL);
+
+ cal_component_alarm_get_trigger (alarm, &trigger);
+ cal_component_alarm_free (alarm);
+
+ if (trigger.type != CAL_ALARM_TRIGGER_RELATIVE_START
+ && trigger.type != CAL_ALARM_TRIGGER_RELATIVE_END)
+ continue;
+
+ dur = &trigger.u.rel_duration;
+ dur_time = icaldurationtype_as_int (*dur);
+
+ if (trigger.type == CAL_ALARM_TRIGGER_RELATIVE_START)
+ occur_time = start;
+ else
+ occur_time = end;
+
+ if (dur->is_neg)
+ trigger_time = occur_time - dur_time;
+ else
+ trigger_time = occur_time + dur_time;
+
+ if (trigger_time < aod->start || trigger_time >= aod->end)
+ continue;
+
+ instance = g_new (CalAlarmInstance, 1);
+ instance->auid = auid;
+ instance->trigger = trigger_time;
+ instance->occur = occur_time;
+
+ aod->triggers = g_slist_prepend (aod->triggers, instance);
+ aod->n_triggers++;
+ }
+
+ return TRUE;
+}
+
+/* generates the absolute triggers for a component */
+static void
+generate_absolute_triggers (CalComponent *comp, struct alarm_occurrence_data *aod)
+{
+ GList *l;
+
+ for (l = aod->alarm_uids; l; l = l->next) {
+ const char *auid;
+ CalComponentAlarm *alarm;
+ CalAlarmTrigger trigger;
+ time_t abs_time;
+ CalAlarmInstance *instance;
+
+ auid = l->data;
+ alarm = cal_component_get_alarm (comp, auid);
+ g_assert (alarm != NULL);
+
+ cal_component_alarm_get_trigger (alarm, &trigger);
+ cal_component_alarm_free (alarm);
+
+ if (trigger.type != CAL_ALARM_TRIGGER_ABSOLUTE)
+ continue;
+
+ abs_time = icaltime_as_timet (trigger.u.abs_time);
+
+ if (abs_time < aod->start || abs_time >= aod->end)
+ continue;
+
+ instance = g_new (CalAlarmInstance, 1);
+ instance->auid = auid;
+ instance->trigger = abs_time;
+ instance->occur = abs_time; /* No particular occurrence, so just use the same time */
+
+ aod->triggers = g_slist_prepend (aod->triggers, instance);
+ aod->n_triggers++;
+ }
+}
+
+/* compares two alarm instances; called from g_slist_sort() */
+static gint
+compare_alarm_instance (gconstpointer a, gconstpointer b)
+{
+ const CalAlarmInstance *aia, *aib;
+
+ aia = a;
+ aib = b;
+
+ if (aia->trigger < aib->trigger)
+ return -1;
+ else if (aia->trigger > aib->trigger)
+ return 1;
+ else
+ return 0;
+}
+
+/* generates alarm instances for a calendar component. Returns the instances
+ * structure, or NULL if no alarm instances occurred in the specified time
+ * range.
+ */
+static CalComponentAlarms *
+generate_alarms_for_comp (CalComponent *comp, time_t start, time_t end)
+{
+ CalComponentAlarms *alarms = NULL;
+ GList *alarm_uids;
+ time_t alarm_start, alarm_end;
+ struct alarm_occurrence_data aod;
+
+ g_return_val_if_fail(IS_CAL_COMPONENT(comp), NULL);
+
+ if (!cal_component_has_alarms(comp))
+ return NULL;
+
+ alarm_uids = cal_component_get_alarm_uids(comp);
+ compute_alarm_range(comp, alarm_uids, start, end, &alarm_start, &alarm_end);
+
+ aod.alarm_uids = alarm_uids;
+ aod.start = start;
+ aod.end = end;
+ aod.triggers = NULL;
+ aod.n_triggers = 0;
+ cal_recur_generate_instances(comp, alarm_start, alarm_end, add_alarm_occurrences_cb, &aod);
+
+ /* we add the ABSOLUTE triggers separately */
+ generate_absolute_triggers(comp, &aod);
+
+ if (aod.n_triggers == 0)
+ return NULL;
+
+ /* create the component alarm instances structure */
+ alarms = g_new (CalComponentAlarms, 1);
+ alarms->comp = comp;
+ gtk_object_ref (GTK_OBJECT (alarms->comp));
+ alarms->alarms = g_slist_sort (aod.triggers, compare_alarm_instance);
+
+ return alarms;
+}
+
+/* retrieve list of alarms */
+static GList *
+get_list_of_alarms (CalBackendDBCursor *cursor, time_t start time_t end)
+{
+ GList *list = NULL;
+ GList *node;
+
+ g_return_val_if_fail(cursor != NULL, NULL);
+
+ for (node = g_list_first(cursor->data); node != NULL; node = g_list_next(node)) {
+ icalcomponent *icalcomp;
+ icalcomponent_kind kind;
+ DBT *data;
+
+ data = (DBT *) node->data;
+ if (data) {
+ icalcomp = icalparser_parse_string((char *) data->data);
+ if (icalcomp) {
+ /* per RFC 2445, only VEVENTs and VTODOs can have alarms */
+ kind = icalcomponent_isa(icalcomp);
+ if (kind == ICAL_VEVENT_COMPONENT || kind == ICAL_VTODO_COMPONENT) {
+ CalComponent *comp;
+ CalComponentAlarms *alarms;
+
+ /* create the CalComponent to compute the alarms */
+ comp = cal_component_new();
+ cal_component_set_icalcomponent(comp, icalcomp);
+
+ alarms = generate_alarms_for_comp(comp, start, end);
+ if (alarms)
+ list = g_list_prepend(list, (gpointer) alarms);
+
+ gtk_object_unref(GTK_OBJECT(comp));
+ }
+
+ icalcomponent_free(icalcomp);
+ }
+ }
+ }
+
+ return list;
+}
+
+/* fills a CORBA sequence of alarm instances */
+static void
+fill_alarm_instances_seq (GNOME_Evolution_Calendar_CalAlarmInstanceSeq *seq, GList *alarms)
+{
+ int n_alarms;
+ GList *l;
+ int i;
+
+ n_alarms = g_list_length (alarms);
+
+ CORBA_sequence_set_release(seq, TRUE);
+ seq->_length = n_alarms;
+ seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalAlarmInstance_allocbuf(n_alarms);
+
+ for (l = g_list_first(alarms), i = 0; l != NULL; l = g_list_next(l), i++) {
+ CalAlarmInstance *instance;
+ GNOME_Evolution_Calendar_CalAlarmInstance *corba_instance;
+
+ instance = (CalAlarmInstance *) l->data;
+ corba_instance = seq->_buffer + i;
+
+ corba_instance->auid = CORBA_string_dup(instance->auid);
+ corba_instance->trigger = (long) instance->trigger;
+ corba_instance->occur = (long) instance->occur;
+ }
+}
+
/* get_alarms_in_range handler for the DB backend */
static GNOME_Evolution_Calendar_CalComponentAlarmsSeq *
cal_backend_db_get_alarms_in_range (CalBackend *backend, time_t start, time_t end)
@@ -926,20 +1229,37 @@ cal_backend_db_get_alarms_in_range (CalBackend *backend, time_t start, time_t en
/* open cursor */
cursor = open_cursor(cbdb, cbdb->priv->objects_db);
if (cursor) {
- /* TODO: get list of alarms */
+ alarm_list = get_list_of_alarms(cursor, start, end);
+ number_of_alarms = g_list_length(alarm_list);
/* create the CORBA sequence */
seq = GNOME_Evolution_Calendar_CalComponentAlarmsSeq__alloc();
CORBA_sequence_set_release(seq, TRUE);
seq->_length = number_of_alarms;
- seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalComponentAlarms_allocbuf(number_of_alarms);
+ seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalComponentAlarms_allocbuf(
+ number_of_alarms);
- /* TODO: populate CORBA sequence */
+ /* populate CORBA sequence */
+ for (node = g_list_first(alarm_list), i = 0;
+ node != NULL;
+ node = g_list_next(node), i++) {
+ CalComponentAlarms *alarms;
+ gchar *comp_str;
+
+ alarms = (CalComponentAlarms *) node->data;
+
+ comp_str = cal_component_get_as_string (alarms->comp);
+ seq->_buffer[i].calobj = CORBA_string_dup(comp_str);
+ g_free((gpointer) comp_str);
+
+ fill_alarm_instances_seq (&seq->_buffer[i].alarms, alarms->alarms);
+
+ cal_component_alarms_free (alarms);
+ }
+ g_list_free(alarm_list);
close_cursor(cbdb, cursor);
}
-
- g_list_free(alarm_list);
return seq;
}
@@ -980,69 +1300,69 @@ cal_backend_db_get_alarms_for_object (CalBackend *backend,
return corba_alarms;
}
+/* do notifications to Cal clients */
+static void
+do_notify (CalBackendDB *cbdb, void (*notify_fn)(Cal *, gchar *), gchar *uid)
+{
+ GList *node;
+
+ g_return_if_fail(IS_CAL_BACKEND_DB(cbdb));
+ g_return_if_fail(cbdb->priv != NULL);
+ g_return_if_fail(notify_fn != NULL);
+ g_return_if_fail(uid != NULL);
+
+ /* FIXME: do notification asynchronously */
+ for (node = g_list_first(cbdb->priv->clients); node != NULL; node = g_list_next(node)) {
+ Cal *cal;
+
+ cal = CAL(node->data);
+ (*notify_fn)(cal, uid);
+ }
+}
+
/* update_object handler for the DB backend */
static gboolean
cal_backend_db_update_object (CalBackend *backend, const char *uid, const char *calobj)
{
CalBackendDB *cbdb;
- CalBackendDBCursor *cursor;
+ DB_TXN *tid;
+ DBT key;
+ DBT new_data;
cbdb = CAL_BACKEND_DB(backend);
g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE);
g_return_val_if_fail(cbdb->priv != NULL, FALSE);
+ g_return_val_if_fail(cbdb->priv->objects_db != NULL, FALSE);
g_return_val_if_fail(uid != NULL, FALSE);
g_return_val_if_fail(calobj != NULL, FALSE);
- /* open the cursor */
- cursor = open_cursor(cbdb, cbdb->priv->objects_db);
- if (cursor) {
- DBT *data;
+ /* start transaction */
+ tid = begin_transaction(cbdb);
+ if (!tid)
+ return FALSE;
+
+ memset(&key, 0, sizeof(key));
+ key.data = (void *) uid;
+ key.size = strlen(uid); // + 1
- data = find_record_by_id(cursor, uid);
- if (data) {
- DBT key;
- DBT new_data;
- int ret;
- DB_TXN *tid;
-
- /* try to change the value in the cursor */
- memset(&key, 0, sizeof(key));
- key.data = (void *) uid;
- key.size = strlen(uid); // + 1
-
- memset(&new_data, 0, sizeof(new_data));
- new_data.data = (void *) calobj;
- new_data.size = strlen(calobj); // + 1
-
- /* start transaction */
- tid = begin_transaction(cbdb);
- if (!tid) {
- close_cursor(cbdb, cursor);
- return FALSE;
- }
-
- if ((ret = cursor->parent_db->put(cursor->parent_db,
- tid,
- &key,
- &new_data,
- 0)) != 0) {
- rollback_transaction(tid);
- close_cursor(cbdb, cursor);
- return FALSE;
- }
-
- /* TODO: update history database */
- commit_transaction(tid);
- close_cursor(cbdb, cursor);
-
- memcpy(data, &new_data, sizeof(new_data));
-
- return TRUE;
- }
- close_cursor(cbdb, cursor);
+ memset(&new_data, 0, sizeof(new_data));
+ new_data.data = (void *) calobj;
+ new_data.size = strlen(calobj); // + 1
+
+ if ((ret = cbdb->priv->objects_db->put(cbdb->priv->objects_db,
+ tid,
+ &key,
+ &new_data,
+ 0)) != 0) {
+ rollback_transaction(tid);
+ return FALSE;
}
+
+ /* TODO: update history database */
+ commit_transaction(tid);
- return FALSE;
+ do_notify(cbdb, cal_notify_update, uid);
+ return TRUE;
}
/* remove_object handler for the DB backend */
@@ -1050,62 +1370,34 @@ static gboolean
cal_backend_db_remove_object (CalBackend *backend, const char *uid)
{
CalBackendDB *cbdb;
- CalBackendDBCursor *cursor;
+ DB_TXN *tid;
+ DBT key;
+ gint ret;
cbdb = CAL_BACKEND_DB(backend);
g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE);
g_return_val_if_fail(cbdb->priv != NULL, FALSE);
g_return_val_if_fail(uid != NULL, FALSE);
- /* open cursor */
- cursor = open_cursor(cbdb, cbdb->priv->objects_db);
- if (cursor) {
- DBT *data = find_record_by_id(cursor, uid);
- if (data) {
- GList *l;
- int ret;
- DBT key;
- DB_TXN *tid;
-
- memset(&key, 0, sizeof(key);
- key.data = (void *) uid;
- key.size = strlen(uid); // + 1
-
- /* start transaction */
- tid = begin_transaction(cbdb);
- if (!tid) {
- close_cursor(cbdb, cursor);
- return FALSE;
- }
-
- /* remove record from cursor */
- if ((ret = cursor->parent_db->del(cursor->parent_db, tid, key, 0)) != 0) {
- rollback_transaction(tid);
- close_cursor(cbdb, cursor);
- return FALSE;
- }
-
- /* TODO: update history database */
- commit_transaction(tid);
-
- /* remove record from in-memory lists */
- l = g_list_nth(cursor->keys,
- g_list_index(cursor->data, (gpointer) data));
- if (l) {
- DBT *key_to_free = (DBT *) l->data;
-
- cursor->keys = g_list_remove(cursor->keys, (gpointer) key_to_free);
- g_free((gpointer) key_to_free);
-
- cursor->data = g_list_remove(cursor->data, (gpointer) data);
- g_free((gpointer) data);
- }
- close_cursor(cbdb, cursor);
-
- return TRUE;
- }
- close_cursor(cbdb, cursor);
+ memset(&key, 0, sizeof(key);
+ key.data = (void *) uid;
+ key.size = strlen(uid); // + 1
+
+ /* start transaction */
+ tid = begin_transaction(cbdb);
+ if (!tid)
+ return FALSE;
+
+ /* remove record from database */
+ if ((ret = cbdb->priv->objects_db->del(cbdb->priv->objects_db, tid, &key, 0)) != 0) {
+ rollback_transaction(tid);
+ return FALSE;
}
+
+ /* TODO: update history database */
+ commit_transaction(tid);
- return FALSE;
+ do_notify(cbdb, cal_notify_remove, uid);
+
+ return TRUE;
}