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calendar-server: Improve performance by properly using ECalClientView

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The previous code always restarted whole ECalClientView when it received
any changes in it, which could sometimes lead to constant repeated restarts
of the view.

https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/1875
This commit is contained in:
Milan Crha 2020-04-02 09:24:28 +02:00 committed by Georges Basile Stavracas Neto
parent 30d902f898
commit c00d79bae2
6 changed files with 961 additions and 955 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
data/dbus-interfaces/org.gnome.Shell.CalendarServer.xml
View File

@ -1,12 +1,19 @@
<node> <node>
<interface name="org.gnome.Shell.CalendarServer"> <interface name="org.gnome.Shell.CalendarServer">
<method name="GetEvents"> <method name="SetTimeRange">
<arg type="x" direction="in" /> <arg type="x" name="since" direction="in"/>
<arg type="x" direction="in" /> <arg type="x" name="until" direction="in"/>
<arg type="b" direction="in" /> <arg type="b" name="force_reload" direction="in"/>
<arg type="a(sssbxxa{sv})" direction="out" />
</method> </method>
<signal name="EventsAddedOrUpdated">
<arg type="a(ssbxxa{sv})" name="events" direction="out"/>
</signal>
<signal name="EventsRemoved">
<arg type="as" name="ids" direction="out"/>
</signal>
<signal name="ClientDisappeared">
<arg type="s" name="source_uid" direction="out"/>
</signal>
<property name="HasCalendars" type="b" access="read" /> <property name="HasCalendars" type="b" access="read" />
<signal name="Changed" />
</interface> </interface>
</node> </node>

87
js/ui/calendar.js
View File

@ -222,7 +222,12 @@ class DBusEventSource extends EventSourceBase {
} }
} }
this._dbusProxy.connectSignal('Changed', this._onChanged.bind(this)); this._dbusProxy.connectSignal('EventsAddedOrUpdated',
this._onEventsAddedOrUpdated.bind(this));
this._dbusProxy.connectSignal('EventsRemoved',
this._onEventsRemoved.bind(this));
this._dbusProxy.connectSignal('ClientDisappeared',
this._onClientDisappeared.bind(this));
this._dbusProxy.connect('notify::g-name-owner', () => { this._dbusProxy.connect('notify::g-name-owner', () => {
if (this._dbusProxy.g_name_owner) if (this._dbusProxy.g_name_owner)
@ -258,7 +263,7 @@ class DBusEventSource extends EventSourceBase {
} }
_resetCache() { _resetCache() {
this._events = []; this._events = new Map();
this._lastRequestBegin = null; this._lastRequestBegin = null;
this._lastRequestEnd = null; this._lastRequestEnd = null;
} }
@ -274,28 +279,47 @@ class DBusEventSource extends EventSourceBase {
this.emit('changed'); this.emit('changed');
} }
_onChanged() { _onEventsAddedOrUpdated(dbusProxy, nameOwner, argArray) {
this._loadEvents(false); const [appointments = []] = argArray;
let changed = false;
for (let n = 0; n < appointments.length; n++) {
const [id, summary, allDay, startTime, endTime] = appointments[n];
const date = new Date(startTime * 1000);
const end = new Date(endTime * 1000);
let event = new CalendarEvent(id, date, end, summary, allDay);
this._events.set(event.id, event);
changed = true;
}
if (changed)
this.emit('changed');
} }
_onEventsReceived(results, _error) { _onEventsRemoved(dbusProxy, nameOwner, argArray) {
let newEvents = []; const [ids = []] = argArray;
let appointments = results[0] || [];
for (let n = 0; n < appointments.length; n++) {
let a = appointments[n];
let date = new Date(a[4] * 1000);
let end = new Date(a[5] * 1000);
let id = a[0];
let summary = a[1];
let allDay = a[3];
let event = new CalendarEvent(id, date, end, summary, allDay);
newEvents.push(event);
}
newEvents.sort((ev1, ev2) => ev1.date.getTime() - ev2.date.getTime());
this._events = newEvents; let changed = false;
this._isLoading = false; for (const id of ids)
this.emit('changed'); changed |= this._events.delete(id);
if (changed)
this.emit('changed');
}
_onClientDisappeared(dbusProxy, nameOwner, argArray) {
let [sourceUid = ''] = argArray;
sourceUid += '\n';
let changed = false;
for (const id of this._events.keys()) {
if (id.startsWith(sourceUid))
changed |= this._events.delete(id);
}
if (changed)
this.emit('changed');
} }
_loadEvents(forceReload) { _loadEvents(forceReload) {
@ -304,27 +328,30 @@ class DBusEventSource extends EventSourceBase {
return; return;
if (this._curRequestBegin && this._curRequestEnd) { if (this._curRequestBegin && this._curRequestEnd) {
this._dbusProxy.GetEventsRemote(this._curRequestBegin.getTime() / 1000, if (forceReload) {
this._curRequestEnd.getTime() / 1000, this._events.clear();
forceReload, this.emit('changed');
this._onEventsReceived.bind(this), }
Gio.DBusCallFlags.NONE); this._dbusProxy.SetTimeRangeRemote(
this._curRequestBegin.getTime() / 1000,
this._curRequestEnd.getTime() / 1000,
forceReload,
Gio.DBusCallFlags.NONE);
} }
} }
requestRange(begin, end) { requestRange(begin, end) {
if (!(_datesEqual(begin, this._lastRequestBegin) && _datesEqual(end, this._lastRequestEnd))) { if (!(_datesEqual(begin, this._lastRequestBegin) && _datesEqual(end, this._lastRequestEnd))) {
this._isLoading = true;
this._lastRequestBegin = begin; this._lastRequestBegin = begin;
this._lastRequestEnd = end; this._lastRequestEnd = end;
this._curRequestBegin = begin; this._curRequestBegin = begin;
this._curRequestEnd = end; this._curRequestEnd = end;
this._loadEvents(false); this._loadEvents(true);
} }
} }
*_getFilteredEvents(begin, end) { *_getFilteredEvents(begin, end) {
for (const event of this._events) { for (const event of this._events.values()) {
if (_dateIntervalsOverlap(event.date, event.end, begin, end)) if (_dateIntervalsOverlap(event.date, event.end, begin, end))
yield event; yield event;
} }
@ -879,7 +906,7 @@ class EventsSection extends MessageList.MessageListSection {
} }
_reloadEvents() { _reloadEvents() {
if (this._eventSource.isLoading) if (this._eventSource.isLoading || this._reloading)
return; return;
this._reloading = true; this._reloading = true;

2
meson.build
View File

@ -19,7 +19,7 @@ cogl_pango_pc = 'mutter-cogl-pango-' + mutter_api_version
libmutter_pc = 'libmutter-' + mutter_api_version libmutter_pc = 'libmutter-' + mutter_api_version
ecal_req = '>= 3.33.1' ecal_req = '>= 3.33.1'
eds_req = '>= 3.17.2' eds_req = '>= 3.33.1'
gcr_req = '>= 3.7.5' gcr_req = '>= 3.7.5'
gio_req = '>= 2.56.0' gio_req = '>= 2.56.0'
gi_req = '>= 1.49.1' gi_req = '>= 1.49.1'

727
src/calendar-server/calendar-sources.c
View File

@ -45,137 +45,122 @@ struct _ClientData
gulong backend_died_id; gulong backend_died_id;
}; };
struct _CalendarSourceData
{
ECalClientSourceType source_type;
CalendarSources *sources;
guint changed_signal;
/* ESource -> EClient */
GHashTable *clients;
guint timeout_id;
guint loaded : 1;
};
typedef struct _CalendarSourcesPrivate CalendarSourcesPrivate; typedef struct _CalendarSourcesPrivate CalendarSourcesPrivate;
struct _CalendarSources struct _CalendarSources
{ {
GObject parent; GObject parent;
ESourceRegistry *registry; ESourceRegistryWatcher *registry_watcher;
gulong source_added_id; gulong filter_id;
gulong source_changed_id; gulong appeared_id;
gulong source_removed_id; gulong disappeared_id;
CalendarSourceData appointment_sources; GMutex clients_lock;
CalendarSourceData task_sources; GHashTable *clients; /* ESource -> ClientData */
}; };
G_DEFINE_TYPE (CalendarSources, calendar_sources, G_TYPE_OBJECT) G_DEFINE_TYPE (CalendarSources, calendar_sources, G_TYPE_OBJECT)
static void calendar_sources_finalize (GObject *object);
static void backend_died_cb (EClient *client, CalendarSourceData *source_data);
static void calendar_sources_registry_source_changed_cb (ESourceRegistry *registry,
ESource *source,
CalendarSources *sources);
static void calendar_sources_registry_source_removed_cb (ESourceRegistry *registry,
ESource *source,
CalendarSources *sources);
enum enum
{ {
APPOINTMENT_SOURCES_CHANGED, CLIENT_APPEARED,
TASK_SOURCES_CHANGED, CLIENT_DISAPPEARED,
LAST_SIGNAL LAST_SIGNAL
}; };
static guint signals [LAST_SIGNAL] = { 0, }; static guint signals [LAST_SIGNAL] = { 0, };
static GObjectClass *parent_class = NULL; static void
static CalendarSources *calendar_sources_singleton = NULL; calendar_sources_client_connected_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
CalendarSources *sources = CALENDAR_SOURCES (source_object);
ESource *source = user_data;
EClient *client;
g_autoptr (GError) error = NULL;
/* The calendar_sources_connect_client_sync() already stored the 'client'
* into the sources->clients */
client = calendar_sources_connect_client_finish (sources, result, &error);
if (error)
{
g_warning ("Could not load source '%s': %s",
e_source_get_uid (source),
error->message);
}
else
{
g_signal_emit (sources, signals[CLIENT_APPEARED], 0, client, NULL);
}
g_clear_object (&client);
g_clear_object (&source);
}
static gboolean
registry_watcher_filter_cb (ESourceRegistryWatcher *watcher,
ESource *source,
CalendarSources *sources)
{
return e_source_has_extension (source, E_SOURCE_EXTENSION_CALENDAR) &&
e_source_selectable_get_selected (e_source_get_extension (source, E_SOURCE_EXTENSION_CALENDAR));
}
static void
registry_watcher_source_appeared_cb (ESourceRegistryWatcher *watcher,
ESource *source,
CalendarSources *sources)
{
ECalClientSourceType source_type;
if (e_source_has_extension (source, E_SOURCE_EXTENSION_CALENDAR))
source_type = E_CAL_CLIENT_SOURCE_TYPE_EVENTS;
else if (e_source_has_extension (source, E_SOURCE_EXTENSION_MEMO_LIST))
source_type = E_CAL_CLIENT_SOURCE_TYPE_MEMOS;
else if (e_source_has_extension (source, E_SOURCE_EXTENSION_TASK_LIST))
source_type = E_CAL_CLIENT_SOURCE_TYPE_TASKS;
else
g_return_if_reached ();
calendar_sources_connect_client (sources, source, source_type, 30, NULL, calendar_sources_client_connected_cb, g_object_ref (source));
}
static void
registry_watcher_source_disappeared_cb (ESourceRegistryWatcher *watcher,
ESource *source,
CalendarSources *sources)
{
gboolean emit;
g_mutex_lock (&sources->clients_lock);
emit = g_hash_table_remove (sources->clients, source);
g_mutex_unlock (&sources->clients_lock);
if (emit)
g_signal_emit (sources, signals[CLIENT_DISAPPEARED], 0, e_source_get_uid (source), NULL);
}
static void static void
client_data_free (ClientData *data) client_data_free (ClientData *data)
{ {
g_clear_signal_handler (&data->backend_died_id, data->client); g_signal_handler_disconnect (data->client, data->backend_died_id);
g_object_unref (data->client); g_object_unref (data->client);
g_slice_free (ClientData, data); g_slice_free (ClientData, data);
} }
static void static void
calendar_sources_class_init (CalendarSourcesClass *klass) calendar_sources_constructed (GObject *object)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = calendar_sources_finalize;
signals [APPOINTMENT_SOURCES_CHANGED] =
g_signal_new ("appointment-sources-changed",
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
0,
NULL,
NULL,
NULL,
G_TYPE_NONE,
0);
signals [TASK_SOURCES_CHANGED] =
g_signal_new ("task-sources-changed",
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
0,
NULL,
NULL,
NULL,
G_TYPE_NONE,
0);
}
static void
calendar_sources_init (CalendarSources *sources)
{ {
CalendarSources *sources = CALENDAR_SOURCES (object);
ESourceRegistry *registry = NULL;
GError *error = NULL; GError *error = NULL;
GDBusConnection *session_bus;
GVariant *result;
/* WORKAROUND: the hardcoded timeout for e_source_registry_new_sync() G_OBJECT_CLASS (calendar_sources_parent_class)->constructed (object);
(and other library calls that eventually call g_dbus_proxy_new[_sync]())
is 25 seconds. This has been shown to be too small for
evolution-source-registry in certain cases (slow disk, concurrent IO,
many configured sources), so we first ensure that the service
starts with a manual call and a higher timeout.
HACK: every time the DBus API is bumped in e-d-s we need
to update this!
*/
session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
if (session_bus == NULL)
{
g_error ("Failed to connect to the session bus: %s", error->message);
}
result = g_dbus_connection_call_sync (session_bus, "org.freedesktop.DBus",
"/", "org.freedesktop.DBus",
"StartServiceByName",
g_variant_new ("(su)",
"org.gnome.evolution.dataserver.Sources5",
0),
NULL,
G_DBUS_CALL_FLAGS_NONE,
60 * 1000,
NULL, &error);
if (result != NULL)
{
g_variant_unref (result);
sources->registry = e_source_registry_new_sync (NULL, &error);
}
registry = e_source_registry_new_sync (NULL, &error);
if (error != NULL) if (error != NULL)
{ {
/* Any error is fatal, but we don't want to crash gnome-shell-calendar-server /* Any error is fatal, but we don't want to crash gnome-shell-calendar-server
@ -185,53 +170,30 @@ calendar_sources_init (CalendarSources *sources)
exit (EXIT_FAILURE); exit (EXIT_FAILURE);
} }
g_object_unref (session_bus); g_return_if_fail (registry != NULL);
sources->source_added_id = g_signal_connect (sources->registry, sources->registry_watcher = e_source_registry_watcher_new (registry, NULL);
"source-added",
G_CALLBACK (calendar_sources_registry_source_changed_cb),
sources);
sources->source_changed_id = g_signal_connect (sources->registry,
"source-changed",
G_CALLBACK (calendar_sources_registry_source_changed_cb),
sources);
sources->source_removed_id = g_signal_connect (sources->registry,
"source-removed",
G_CALLBACK (calendar_sources_registry_source_removed_cb),
sources);
sources->appointment_sources.source_type = E_CAL_CLIENT_SOURCE_TYPE_EVENTS; g_clear_object (&registry);
sources->appointment_sources.sources = sources;
sources->appointment_sources.changed_signal = signals [APPOINTMENT_SOURCES_CHANGED];
sources->appointment_sources.clients = g_hash_table_new_full ((GHashFunc) e_source_hash,
(GEqualFunc) e_source_equal,
(GDestroyNotify) g_object_unref,
(GDestroyNotify) client_data_free);
sources->appointment_sources.timeout_id = 0;
sources->task_sources.source_type = E_CAL_CLIENT_SOURCE_TYPE_TASKS; sources->clients = g_hash_table_new_full ((GHashFunc) e_source_hash,
sources->task_sources.sources = sources; (GEqualFunc) e_source_equal,
sources->task_sources.changed_signal = signals [TASK_SOURCES_CHANGED]; (GDestroyNotify) g_object_unref,
sources->task_sources.clients = g_hash_table_new_full ((GHashFunc) e_source_hash, (GDestroyNotify) client_data_free);
(GEqualFunc) e_source_equal, sources->filter_id = g_signal_connect (sources->registry_watcher,
(GDestroyNotify) g_object_unref, "filter",
(GDestroyNotify) client_data_free); G_CALLBACK (registry_watcher_filter_cb),
sources->task_sources.timeout_id = 0; sources);
} sources->appeared_id = g_signal_connect (sources->registry_watcher,
"appeared",
G_CALLBACK (registry_watcher_source_appeared_cb),
sources);
sources->disappeared_id = g_signal_connect (sources->registry_watcher,
"disappeared",
G_CALLBACK (registry_watcher_source_disappeared_cb),
sources);
static void e_source_registry_watcher_reclaim (sources->registry_watcher);
calendar_sources_finalize_source_data (CalendarSources *sources,
CalendarSourceData *source_data)
{
if (source_data->loaded)
{
g_hash_table_destroy (source_data->clients);
source_data->clients = NULL;
g_clear_handle_id (&source_data->timeout_id, g_source_remove);
source_data->loaded = FALSE;
}
} }
static void static void
@ -239,28 +201,67 @@ calendar_sources_finalize (GObject *object)
{ {
CalendarSources *sources = CALENDAR_SOURCES (object); CalendarSources *sources = CALENDAR_SOURCES (object);
if (sources->registry) g_clear_pointer (&sources->clients, g_hash_table_destroy);
if (sources->registry_watcher)
{ {
g_clear_signal_handler (&sources->source_added_id, g_signal_handler_disconnect (sources->registry_watcher,
sources->registry); sources->filter_id);
g_clear_signal_handler (&sources->source_changed_id, g_signal_handler_disconnect (sources->registry_watcher,
sources->registry); sources->appeared_id);
g_clear_signal_handler (&sources->source_removed_id, g_signal_handler_disconnect (sources->registry_watcher,
sources->registry); sources->disappeared_id);
g_object_unref (sources->registry); g_clear_object (&sources->registry_watcher);
} }
sources->registry = NULL;
calendar_sources_finalize_source_data (sources, &sources->appointment_sources); g_mutex_clear (&sources->clients_lock);
calendar_sources_finalize_source_data (sources, &sources->task_sources);
if (G_OBJECT_CLASS (parent_class)->finalize) G_OBJECT_CLASS (calendar_sources_parent_class)->finalize (object);
G_OBJECT_CLASS (parent_class)->finalize (object); }
static void
calendar_sources_class_init (CalendarSourcesClass *klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
gobject_class->constructed = calendar_sources_constructed;
gobject_class->finalize = calendar_sources_finalize;
signals [CLIENT_APPEARED] =
g_signal_new ("client-appeared",
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
0,
NULL,
NULL,
NULL,
G_TYPE_NONE,
1,
E_TYPE_CAL_CLIENT);
signals [CLIENT_DISAPPEARED] =
g_signal_new ("client-disappeared",
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
0,
NULL,
NULL,
NULL,
G_TYPE_NONE,
1,
G_TYPE_STRING); /* ESource::uid of the disappeared client */
}
static void
calendar_sources_init (CalendarSources *sources)
{
g_mutex_init (&sources->clients_lock);
} }
CalendarSources * CalendarSources *
calendar_sources_get (void) calendar_sources_get (void)
{ {
static CalendarSources *calendar_sources_singleton = NULL;
gpointer singleton_location = &calendar_sources_singleton; gpointer singleton_location = &calendar_sources_singleton;
if (calendar_sources_singleton) if (calendar_sources_singleton)
@ -273,80 +274,65 @@ calendar_sources_get (void)
return calendar_sources_singleton; return calendar_sources_singleton;
} }
/* The clients are just created here but not loaded */ ESourceRegistry *
static void calendar_sources_get_registry (CalendarSources *sources)
create_client_for_source (ESource *source,
ECalClientSourceType source_type,
CalendarSourceData *source_data)
{ {
ClientData *data; return e_source_registry_watcher_get_registry (sources->registry_watcher);
EClient *client;
GError *error = NULL;
client = g_hash_table_lookup (source_data->clients, source);
g_return_if_fail (client == NULL);
client = e_cal_client_connect_sync (source, source_type, -1, NULL, &error);
if (!client)
{
g_warning ("Could not load source '%s': %s",
e_source_get_uid (source),
error->message);
g_clear_error (&error);
return;
}
data = g_slice_new0 (ClientData);
data->client = E_CAL_CLIENT (client); /* takes ownership */
data->backend_died_id = g_signal_connect (client,
"backend-died",
G_CALLBACK (backend_died_cb),
source_data);
g_hash_table_insert (source_data->clients, g_object_ref (source), data);
}
static inline void
debug_dump_ecal_list (GHashTable *clients)
{
#ifdef CALENDAR_ENABLE_DEBUG
GList *list, *link;
dprintf ("Loaded clients:\n");
list = g_hash_table_get_keys (clients);
for (link = list; link != NULL; link = g_list_next (link))
{
ESource *source = E_SOURCE (link->data);
dprintf (" %s %s\n",
e_source_get_uid (source),
e_source_get_display_name (source));
}
g_list_free (list);
#endif
} }
static void static void
calendar_sources_load_esource_list (ESourceRegistry *registry, gather_event_clients_cb (gpointer key,
CalendarSourceData *source_data); gpointer value,
gpointer user_data)
static gboolean
backend_restart (gpointer data)
{ {
CalendarSourceData *source_data = data; GSList **plist = user_data;
ESourceRegistry *registry; ClientData *cd = value;
registry = source_data->sources->registry; if (cd)
calendar_sources_load_esource_list (registry, source_data); *plist = g_slist_prepend (*plist, g_object_ref (cd->client));
g_signal_emit (source_data->sources, source_data->changed_signal, 0); }
source_data->timeout_id = 0; GSList *
calendar_sources_ref_clients (CalendarSources *sources)
{
GSList *list = NULL;
return FALSE; g_return_val_if_fail (CALENDAR_IS_SOURCES (sources), NULL);
g_mutex_lock (&sources->clients_lock);
g_hash_table_foreach (sources->clients, gather_event_clients_cb, &list);
g_mutex_unlock (&sources->clients_lock);
return list;
}
gboolean
calendar_sources_has_clients (CalendarSources *sources)
{
GHashTableIter iter;
gpointer value;
gboolean has = FALSE;
g_return_val_if_fail (CALENDAR_IS_SOURCES (sources), FALSE);
g_mutex_lock (&sources->clients_lock);
g_hash_table_iter_init (&iter, sources->clients);
while (!has && g_hash_table_iter_next (&iter, NULL, &value))
{
ClientData *cd = value;
has = cd != NULL;
}
g_mutex_unlock (&sources->clients_lock);
return has;
} }
static void static void
backend_died_cb (EClient *client, CalendarSourceData *source_data) backend_died_cb (EClient *client,
CalendarSources *sources)
{ {
ESource *source; ESource *source;
const char *display_name; const char *display_name;
@ -354,196 +340,167 @@ backend_died_cb (EClient *client, CalendarSourceData *source_data)
source = e_client_get_source (client); source = e_client_get_source (client);
display_name = e_source_get_display_name (source); display_name = e_source_get_display_name (source);
g_warning ("The calendar backend for '%s' has crashed.", display_name); g_warning ("The calendar backend for '%s' has crashed.", display_name);
g_hash_table_remove (source_data->clients, source); g_mutex_lock (&sources->clients_lock);
g_hash_table_remove (sources->clients, source);
g_clear_handle_id (&source_data->timeout_id, g_source_remove); g_mutex_unlock (&sources->clients_lock);
source_data->timeout_id = g_timeout_add_seconds (2, backend_restart,
source_data);
g_source_set_name_by_id (source_data->timeout_id, "[gnome-shell] backend_restart");
} }
static void static EClient *
calendar_sources_load_esource_list (ESourceRegistry *registry, calendar_sources_connect_client_sync (CalendarSources *sources,
CalendarSourceData *source_data) ESource *source,
ECalClientSourceType source_type,
guint32 wait_for_connected_seconds,
GCancellable *cancellable,
GError **error)
{ {
GList *list, *link; EClient *client = NULL;
const gchar *extension_name; ClientData *client_data;
switch (source_data->source_type) g_mutex_lock (&sources->clients_lock);
client_data = g_hash_table_lookup (sources->clients, source);
if (client_data)
client = E_CLIENT (g_object_ref (client_data->client));
g_mutex_unlock (&sources->clients_lock);
if (client)
return client;
client = e_cal_client_connect_sync (source, source_type, wait_for_connected_seconds, cancellable, error);
if (!client)
return NULL;
g_mutex_lock (&sources->clients_lock);
client_data = g_hash_table_lookup (sources->clients, source);
if (client_data)
{ {
case E_CAL_CLIENT_SOURCE_TYPE_EVENTS: g_clear_object (&client);
extension_name = E_SOURCE_EXTENSION_CALENDAR; client = E_CLIENT (g_object_ref (client_data->client));
break;
case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
extension_name = E_SOURCE_EXTENSION_TASK_LIST;
break;
default:
g_return_if_reached ();
} }
else
list = e_source_registry_list_sources (registry, extension_name);
for (link = list; link != NULL; link = g_list_next (link))
{ {
ESource *source = E_SOURCE (link->data); client_data = g_slice_new0 (ClientData);
ESourceSelectable *extension; client_data->client = E_CAL_CLIENT (g_object_ref (client));
gboolean show_source; client_data->backend_died_id = g_signal_connect (client,
"backend-died",
G_CALLBACK (backend_died_cb),
sources);
extension = e_source_get_extension (source, extension_name); g_hash_table_insert (sources->clients, g_object_ref (source), client_data);
show_source = e_source_get_enabled (source) && e_source_selectable_get_selected (extension);
if (show_source)
create_client_for_source (source, source_data->source_type, source_data);
} }
g_mutex_unlock (&sources->clients_lock);
debug_dump_ecal_list (source_data->clients); return client;
g_list_free_full (list, g_object_unref);
} }
typedef struct _AsyncContext {
ESource *source;
ECalClientSourceType source_type;
guint32 wait_for_connected_seconds;
} AsyncContext;
static void static void
calendar_sources_registry_source_changed_cb (ESourceRegistry *registry, async_context_free (gpointer ptr)
ESource *source,
CalendarSources *sources)
{ {
if (e_source_has_extension (source, E_SOURCE_EXTENSION_CALENDAR)) AsyncContext *ctx = ptr;
if (ctx)
{ {
CalendarSourceData *source_data; g_clear_object (&ctx->source);
ESourceSelectable *extension; g_slice_free (AsyncContext, ctx);
gboolean have_client;
gboolean show_source;
source_data = &sources->appointment_sources;
extension = e_source_get_extension (source, E_SOURCE_EXTENSION_CALENDAR);
have_client = (g_hash_table_lookup (source_data->clients, source) != NULL);
show_source = e_source_get_enabled (source) && e_source_selectable_get_selected (extension);
if (!show_source && have_client)
{
g_hash_table_remove (source_data->clients, source);
g_signal_emit (sources, source_data->changed_signal, 0);
}
if (show_source && !have_client)
{
create_client_for_source (source, source_data->source_type, source_data);
g_signal_emit (sources, source_data->changed_signal, 0);
}
}
if (e_source_has_extension (source, E_SOURCE_EXTENSION_TASK_LIST))
{
CalendarSourceData *source_data;
ESourceSelectable *extension;
gboolean have_client;
gboolean show_source;
source_data = &sources->task_sources;
extension = e_source_get_extension (source, E_SOURCE_EXTENSION_TASK_LIST);
have_client = (g_hash_table_lookup (source_data->clients, source) != NULL);
show_source = e_source_get_enabled (source) && e_source_selectable_get_selected (extension);
if (!show_source && have_client)
{
g_hash_table_remove (source_data->clients, source);
g_signal_emit (sources, source_data->changed_signal, 0);
}
if (show_source && !have_client)
{
create_client_for_source (source, source_data->source_type, source_data);
g_signal_emit (sources, source_data->changed_signal, 0);
}
} }
} }
static void static void
calendar_sources_registry_source_removed_cb (ESourceRegistry *registry, calendar_sources_connect_client_thread (GTask *task,
ESource *source, gpointer source_object,
CalendarSources *sources) gpointer task_data,
GCancellable *cancellable)
{ {
if (e_source_has_extension (source, E_SOURCE_EXTENSION_CALENDAR)) CalendarSources *sources = source_object;
AsyncContext *ctx = task_data;
EClient *client;
GError *local_error = NULL;
client = calendar_sources_connect_client_sync (sources, ctx->source, ctx->source_type,
ctx->wait_for_connected_seconds, cancellable, &local_error);
if (!client)
{ {
CalendarSourceData *source_data; if (local_error)
g_task_return_error (task, local_error);
source_data = &sources->appointment_sources; else
g_hash_table_remove (source_data->clients, source); g_task_return_pointer (task, NULL, NULL);
g_signal_emit (sources, source_data->changed_signal, 0); } else {
} g_task_return_pointer (task, client, g_object_unref);
if (e_source_has_extension (source, E_SOURCE_EXTENSION_TASK_LIST))
{
CalendarSourceData *source_data;
source_data = &sources->task_sources;
g_hash_table_remove (source_data->clients, source);
g_signal_emit (sources, source_data->changed_signal, 0);
} }
} }
static void void
ensure_appointment_sources (CalendarSources *sources) calendar_sources_connect_client (CalendarSources *sources,
ESource *source,
ECalClientSourceType source_type,
guint32 wait_for_connected_seconds,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{ {
if (!sources->appointment_sources.loaded) AsyncContext *ctx;
g_autoptr (GTask) task = NULL;
ctx = g_slice_new0 (AsyncContext);
ctx->source = g_object_ref (source);
ctx->source_type = source_type;
ctx->wait_for_connected_seconds = wait_for_connected_seconds;
task = g_task_new (sources, cancellable, callback, user_data);
g_task_set_source_tag (task, calendar_sources_connect_client);
g_task_set_task_data (task, ctx, async_context_free);
g_task_run_in_thread (task, calendar_sources_connect_client_thread);
}
EClient *
calendar_sources_connect_client_finish (CalendarSources *sources,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (g_task_is_valid (result, sources), NULL);
g_return_val_if_fail (g_async_result_is_tagged (result, calendar_sources_connect_client), NULL);
return g_task_propagate_pointer (G_TASK (result), error);
}
void
print_debug (const gchar *format,
...)
{
g_autofree char *s = NULL;
g_autofree char *timestamp = NULL;
va_list ap;
g_autoptr (GDateTime) now = NULL;
static volatile gsize once_init_value = 0;
static gboolean show_debug = FALSE;
static guint pid = 0;
if (g_once_init_enter (&once_init_value))
{ {
calendar_sources_load_esource_list (sources->registry, show_debug = (g_getenv ("CALENDAR_SERVER_DEBUG") != NULL);
&sources->appointment_sources); pid = getpid ();
sources->appointment_sources.loaded = TRUE; g_once_init_leave (&once_init_value, 1);
} }
}
if (!show_debug)
GList * goto out;
calendar_sources_get_appointment_clients (CalendarSources *sources)
{ now = g_date_time_new_now_local ();
GList *list, *link; timestamp = g_date_time_format (now, "%H:%M:%S");
g_return_val_if_fail (CALENDAR_IS_SOURCES (sources), NULL); va_start (ap, format);
s = g_strdup_vprintf (format, ap);
ensure_appointment_sources (sources); va_end (ap);
list = g_hash_table_get_values (sources->appointment_sources.clients); g_print ("gnome-shell-calendar-server[%d]: %s.%03d: %s\n",
pid, timestamp, g_date_time_get_microsecond (now), s);
for (link = list; link != NULL; link = g_list_next (link)) out:
link->data = ((ClientData *) link->data)->client; ;
return list;
}
static void
ensure_task_sources (CalendarSources *sources)
{
if (!sources->task_sources.loaded)
{
calendar_sources_load_esource_list (sources->registry,
&sources->task_sources);
sources->task_sources.loaded = TRUE;
}
}
GList *
calendar_sources_get_task_clients (CalendarSources *sources)
{
GList *list, *link;
g_return_val_if_fail (CALENDAR_IS_SOURCES (sources), NULL);
ensure_task_sources (sources);
list = g_hash_table_get_values (sources->task_sources.clients);
for (link = list; link != NULL; link = g_list_next (link))
link->data = ((ClientData *) link->data)->client;
return list;
}
gboolean
calendar_sources_has_sources (CalendarSources *sources)
{
g_return_val_if_fail (CALENDAR_IS_SOURCES (sources), FALSE);
ensure_appointment_sources (sources);
ensure_task_sources (sources);
return g_hash_table_size (sources->appointment_sources.clients) > 0 ||
g_hash_table_size (sources->task_sources.clients) > 0;
} }

29
src/calendar-server/calendar-sources.h
View File

@ -26,17 +26,38 @@
#include <glib-object.h> #include <glib-object.h>
#define EDS_DISABLE_DEPRECATED
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
#include <libedataserver/libedataserver.h>
#include <libecal/libecal.h>
G_GNUC_END_IGNORE_DEPRECATIONS
G_BEGIN_DECLS G_BEGIN_DECLS
#define CALENDAR_TYPE_SOURCES (calendar_sources_get_type ()) #define CALENDAR_TYPE_SOURCES (calendar_sources_get_type ())
G_DECLARE_FINAL_TYPE (CalendarSources, calendar_sources, G_DECLARE_FINAL_TYPE (CalendarSources, calendar_sources,
CALENDAR, SOURCES, GObject) CALENDAR, SOURCES, GObject)
CalendarSources *calendar_sources_get (void); CalendarSources *calendar_sources_get (void);
GList *calendar_sources_get_appointment_clients (CalendarSources *sources); ESourceRegistry *calendar_sources_get_registry (CalendarSources *sources);
GList *calendar_sources_get_task_clients (CalendarSources *sources); GSList *calendar_sources_ref_clients (CalendarSources *sources);
gboolean calendar_sources_has_clients (CalendarSources *sources);
gboolean calendar_sources_has_sources (CalendarSources *sources); void calendar_sources_connect_client (CalendarSources *sources,
ESource *source,
ECalClientSourceType source_type,
guint32 wait_for_connected_seconds,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
EClient *calendar_sources_connect_client_finish
(CalendarSources *sources,
GAsyncResult *result,
GError **error);
/* Set the environment variable CALENDAR_SERVER_DEBUG to show debug */
void print_debug (const gchar *str,
...) G_GNUC_PRINTF (1, 2);
G_END_DECLS G_END_DECLS

1050
src/calendar-server/gnome-shell-calendar-server.c
View File

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