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calendar-server: activate evolution-source-registry manually at startup

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g_dbus_proxy_new() (and library calls that wrap it) has an hardcoded
timeout of 25 seconds, which is insufficient for starting up e-s-r
in certain setups. Avoid a timeout error by starting the service
manually with a longer timeout before hand.
Also demote the error to a warning + exit failure instead of
a crash, to avoid triggering abrt reports.

https://bugzilla.gnome.org/show_bug.cgi?id=735308
This commit is contained in:
Giovanni Campagna 2014-12-10 16:32:17 -08:00
parent 7602260462
commit b21f5c5566
1 changed files with 41 additions and 5 deletions
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46
src/calendar-server/calendar-sources.c
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@ -176,18 +176,54 @@ static void
calendar_sources_init (CalendarSources *sources)
{
GError *error = NULL;
GDBusConnection *session_bus;
GVariant *result;
sources->priv = CALENDAR_SOURCES_GET_PRIVATE (sources);
/* XXX Not sure what to do if this fails.
* Should this class implement GInitable or pass the
* registry in as a G_PARAM_CONSTRUCT_ONLY property? */
sources->priv->registry = e_source_registry_new_sync (NULL, &error);
/* WORKAROUND: the hardcoded timeout for e_source_registry_new_sync()
(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.Sources3",
0),
NULL,
G_DBUS_CALL_FLAGS_NONE,
60 * 1000,
NULL, &error);
if (result != NULL)
{
g_variant_unref (result);
sources->priv->registry = e_source_registry_new_sync (NULL, &error);
}
if (error != NULL)
{
g_error ("%s: %s", G_STRFUNC, error->message);
/* Any error is fatal, but we don't want to crash gnome-shell-calendar-server
because of e-d-s problems. So just exit here.
*/
g_warning ("Failed to start evolution-source-registry: %s", error->message);
exit(EXIT_FAILURE);
}
g_object_unref (session_bus);
sources->priv->source_added_id = g_signal_connect (sources->priv->registry,
"source-added",
G_CALLBACK (calendar_sources_registry_source_changed_cb),