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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2022-07-15 23:11:31 +0200
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2022-07-15 23:11:31 +0200
commit88a19ee90b4796ed0dce95d81d9242675d8aa8dd (patch)
tree7a7d3b716dafa4d6cf8400eea6944faeeaba0b57 /src
parent80dae4063c70af0c0038aa7facf475bdc962d4f7 (diff)
parent3db4f035f8d755e4032e8253650ad6b983ec583c (diff)
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Merge branch 'tari01-pr/crash-on-session-error'
Attributes GH PR #66: https://github.com/AyatanaIndicators/libayatana-indicator/pull/66
Diffstat (limited to 'src')
-rw-r--r--src/indicator-service.c835
1 files changed, 417 insertions, 418 deletions
diff --git a/src/indicator-service.c b/src/indicator-service.c
index de3a0cf..bb035e9 100644
--- a/src/indicator-service.c
+++ b/src/indicator-service.c
@@ -3,9 +3,11 @@ An object used to provide a simple interface for a service
to query version and manage whether it's running.
Copyright 2009 Canonical Ltd.
+Copyright 2022 Robert tari
Authors:
Ted Gould <ted@canonical.com>
+ Robert Tari <robert@tari.in>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
@@ -25,8 +27,6 @@ License along with this library. If not, see
#include "config.h"
#endif
-#include <stdlib.h> /* exit() */
-
#include <gio/gio.h>
#include "indicator-service.h"
@@ -40,32 +40,32 @@ static GVariant * bus_watch (IndicatorService * service, const gchar * sender);
/* Private Stuff */
/**
- IndicatorSevicePrivate:
- @name: The DBus well known name for the service.
- @timeout: The source ID for the timeout event.
- @watcher: A list of processes on dbus that are watching us.
- @this_service_version: The version to hand out that we're
- implementing. May not be set, so we'll send zero (default).
- @dbus_registration: The handle for this object being registered
- on dbus.
+ IndicatorSevicePrivate:
+ @name: The DBus well known name for the service.
+ @timeout: The source ID for the timeout event.
+ @watcher: A list of processes on dbus that are watching us.
+ @this_service_version: The version to hand out that we're
+ implementing. May not be set, so we'll send zero (default).
+ @dbus_registration: The handle for this object being registered
+ on dbus.
*/
typedef struct _IndicatorServicePrivate IndicatorServicePrivate;
struct _IndicatorServicePrivate {
- gchar * name;
- GDBusConnection * bus;
- GCancellable * bus_cancel;
- guint timeout;
- guint timeout_length;
- GHashTable * watchers;
- guint this_service_version;
- guint dbus_registration;
- gboolean replace_mode;
+ gchar * name;
+ GDBusConnection * bus;
+ GCancellable * bus_cancel;
+ guint timeout;
+ guint timeout_length;
+ GHashTable * watchers;
+ guint this_service_version;
+ guint dbus_registration;
+ gboolean replace_mode;
};
/* Signals Stuff */
enum {
- SHUTDOWN,
- LAST_SIGNAL
+ SHUTDOWN,
+ LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
@@ -74,9 +74,9 @@ static guint signals[LAST_SIGNAL] = { 0 };
/* Enum for the properties so that they can be quickly
found and looked up. */
enum {
- PROP_0,
- PROP_NAME,
- PROP_VERSION
+ PROP_0,
+ PROP_NAME,
+ PROP_VERSION
};
/* The strings so that they can be slowly looked up. */
@@ -85,7 +85,7 @@ enum {
/* GObject Stuff */
#define INDICATOR_SERVICE_GET_PRIVATE(o) \
- (G_TYPE_INSTANCE_GET_PRIVATE ((o), INDICATOR_SERVICE_TYPE, IndicatorServicePrivate))
+ (G_TYPE_INSTANCE_GET_PRIVATE ((o), INDICATOR_SERVICE_TYPE, IndicatorServicePrivate))
static void indicator_service_class_init (IndicatorServiceClass *klass);
static void indicator_service_init (IndicatorService *self);
@@ -96,15 +96,15 @@ static void indicator_service_finalize (GObject *object);
static void set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec);
static void get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec);
static void try_and_get_name (IndicatorService * service);
-static void bus_method_call (GDBusConnection * connection, const gchar * sender, const gchar * path, const gchar * interface, const gchar * method, GVariant * params, GDBusMethodInvocation * invocation, gpointer user_data);
+static void bus_method_call (GDBusConnection * connection, const gchar * sender, const gchar * path, const gchar * interface, const gchar * method, GVariant * params, GDBusMethodInvocation * invocation, gpointer user_data);
/* GDBus Stuff */
static GDBusNodeInfo * node_info = NULL;
static GDBusInterfaceInfo * interface_info = NULL;
static GDBusInterfaceVTable interface_table = {
- .method_call = bus_method_call,
- .get_property = NULL, /* No properties */
- .set_property = NULL /* No properties */
+ .method_call = bus_method_call,
+ .get_property = NULL, /* No properties */
+ .set_property = NULL /* No properties */
};
/* THE define */
@@ -113,66 +113,66 @@ G_DEFINE_TYPE_WITH_PRIVATE (IndicatorService, indicator_service, G_TYPE_OBJECT);
static void
indicator_service_class_init (IndicatorServiceClass *klass)
{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
- object_class->dispose = indicator_service_dispose;
- object_class->finalize = indicator_service_finalize;
-
- /* Property funcs */
- object_class->set_property = set_property;
- object_class->get_property = get_property;
-
- /* Properties */
- g_object_class_install_property(object_class, PROP_NAME,
- g_param_spec_string(PROP_NAME_S,
- "The DBus name for this service",
- "This is the name that should be used on DBus for this service.",
- NULL,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
- g_object_class_install_property(object_class, PROP_VERSION,
- g_param_spec_uint(PROP_VERSION_S,
- "The version of the service that we're implementing.",
- "A number to represent the version of the other APIs the service provides. This should match across the manager and the service",
- 0, G_MAXUINT, 0,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-
- /* Signals */
-
- /**
- IndicatorService::shutdown:
- @arg0: The #IndicatorService object
-
- Signaled when the service should shutdown as no one
- is listening anymore.
- */
- signals[SHUTDOWN] = g_signal_new (INDICATOR_SERVICE_SIGNAL_SHUTDOWN,
- G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (IndicatorServiceClass, shutdown),
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0, G_TYPE_NONE);
-
- /* Setting up the DBus interfaces */
- if (node_info == NULL) {
- GError * error = NULL;
-
- node_info = g_dbus_node_info_new_for_xml(_indicator_service, &error);
- if (error != NULL) {
- g_error("Unable to parse Indicator Service Interface description: %s", error->message);
- g_error_free(error);
- }
- }
-
- if (interface_info == NULL) {
- interface_info = g_dbus_node_info_lookup_interface(node_info, INDICATOR_SERVICE_INTERFACE);
-
- if (interface_info == NULL) {
- g_error("Unable to find interface '" INDICATOR_SERVICE_INTERFACE "'");
- }
- }
-
- return;
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->dispose = indicator_service_dispose;
+ object_class->finalize = indicator_service_finalize;
+
+ /* Property funcs */
+ object_class->set_property = set_property;
+ object_class->get_property = get_property;
+
+ /* Properties */
+ g_object_class_install_property(object_class, PROP_NAME,
+ g_param_spec_string(PROP_NAME_S,
+ "The DBus name for this service",
+ "This is the name that should be used on DBus for this service.",
+ NULL,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property(object_class, PROP_VERSION,
+ g_param_spec_uint(PROP_VERSION_S,
+ "The version of the service that we're implementing.",
+ "A number to represent the version of the other APIs the service provides. This should match across the manager and the service",
+ 0, G_MAXUINT, 0,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ /* Signals */
+
+ /**
+ IndicatorService::shutdown:
+ @arg0: The #IndicatorService object
+
+ Signaled when the service should shutdown as no one
+ is listening anymore.
+ */
+ signals[SHUTDOWN] = g_signal_new (INDICATOR_SERVICE_SIGNAL_SHUTDOWN,
+ G_TYPE_FROM_CLASS(klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (IndicatorServiceClass, shutdown),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0, G_TYPE_NONE);
+
+ /* Setting up the DBus interfaces */
+ if (node_info == NULL) {
+ GError * error = NULL;
+
+ node_info = g_dbus_node_info_new_for_xml(_indicator_service, &error);
+ if (error != NULL) {
+ g_error("Unable to parse Indicator Service Interface description: %s", error->message);
+ g_error_free(error);
+ }
+ }
+
+ if (interface_info == NULL) {
+ interface_info = g_dbus_node_info_lookup_interface(node_info, INDICATOR_SERVICE_INTERFACE);
+
+ if (interface_info == NULL) {
+ g_error("Unable to find interface '" INDICATOR_SERVICE_INTERFACE "'");
+ }
+ }
+
+ return;
}
/* This function builds the variables, sets up the dbus
@@ -182,46 +182,46 @@ indicator_service_class_init (IndicatorServiceClass *klass)
static void
indicator_service_init (IndicatorService *self)
{
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(self);
-
- /* Get the private variables in a decent state */
- priv->name = NULL;
- priv->timeout = 0;
- priv->watchers = NULL;
- priv->bus = NULL;
- priv->bus_cancel = NULL;
- priv->this_service_version = 0;
- priv->timeout_length = 500;
- priv->dbus_registration = 0;
- priv->replace_mode = FALSE;
-
- const gchar * timeoutenv = g_getenv("INDICATOR_SERVICE_SHUTDOWN_TIMEOUT");
- if (timeoutenv != NULL) {
- gdouble newtimeout = g_strtod(timeoutenv, NULL);
- if (newtimeout >= 1.0f) {
- priv->timeout_length = newtimeout;
- g_debug("Setting shutdown timeout to: %u", priv->timeout_length);
- }
- }
-
- const gchar * replaceenv = g_getenv("INDICATOR_SERVICE_REPLACE_MODE");
- if (replaceenv != NULL) {
- priv->replace_mode = TRUE;
- g_debug("Putting into replace mode");
- }
-
- /* NOTE: We're using g_free here because that's what needs to
- happen and we're watchers_remove as well to clean up the dbus
- watches we've setup. */
- priv->watchers = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, watchers_remove);
-
- priv->bus_cancel = g_cancellable_new();
- g_bus_get(G_BUS_TYPE_SESSION,
- priv->bus_cancel,
- bus_get_cb,
- self);
-
- return;
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(self);
+
+ /* Get the private variables in a decent state */
+ priv->name = NULL;
+ priv->timeout = 0;
+ priv->watchers = NULL;
+ priv->bus = NULL;
+ priv->bus_cancel = NULL;
+ priv->this_service_version = 0;
+ priv->timeout_length = 500;
+ priv->dbus_registration = 0;
+ priv->replace_mode = FALSE;
+
+ const gchar * timeoutenv = g_getenv("INDICATOR_SERVICE_SHUTDOWN_TIMEOUT");
+ if (timeoutenv != NULL) {
+ gdouble newtimeout = g_strtod(timeoutenv, NULL);
+ if (newtimeout >= 1.0f) {
+ priv->timeout_length = newtimeout;
+ g_debug("Setting shutdown timeout to: %u", priv->timeout_length);
+ }
+ }
+
+ const gchar * replaceenv = g_getenv("INDICATOR_SERVICE_REPLACE_MODE");
+ if (replaceenv != NULL) {
+ priv->replace_mode = TRUE;
+ g_debug("Putting into replace mode");
+ }
+
+ /* NOTE: We're using g_free here because that's what needs to
+ happen and we're watchers_remove as well to clean up the dbus
+ watches we've setup. */
+ priv->watchers = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, watchers_remove);
+
+ priv->bus_cancel = g_cancellable_new();
+ g_bus_get(G_BUS_TYPE_SESSION,
+ priv->bus_cancel,
+ bus_get_cb,
+ self);
+
+ return;
}
/* Unrefcounting the proxies and making sure that our
@@ -229,32 +229,32 @@ indicator_service_init (IndicatorService *self)
static void
indicator_service_dispose (GObject *object)
{
- IndicatorService * service = INDICATOR_SERVICE(object);
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(service);
+ IndicatorService * service = INDICATOR_SERVICE(object);
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(service);
- g_clear_pointer (&priv->watchers, g_hash_table_destroy);
+ g_clear_pointer (&priv->watchers, g_hash_table_destroy);
- if (priv->timeout != 0) {
- g_source_remove(priv->timeout);
- priv->timeout = 0;
- }
+ if (priv->timeout != 0) {
+ g_source_remove(priv->timeout);
+ priv->timeout = 0;
+ }
- if (priv->dbus_registration != 0) {
- g_dbus_connection_unregister_object(priv->bus, priv->dbus_registration);
- /* Don't care if it fails, there's nothing we can do */
- priv->dbus_registration = 0;
- }
+ if (priv->dbus_registration != 0) {
+ g_dbus_connection_unregister_object(priv->bus, priv->dbus_registration);
+ /* Don't care if it fails, there's nothing we can do */
+ priv->dbus_registration = 0;
+ }
- g_clear_object (&priv->bus);
+ g_clear_object (&priv->bus);
- if (priv->bus_cancel != NULL) {
- g_cancellable_cancel(priv->bus_cancel);
- g_object_unref(priv->bus_cancel);
- priv->bus_cancel = NULL;
- }
+ if (priv->bus_cancel != NULL) {
+ g_cancellable_cancel(priv->bus_cancel);
+ g_object_unref(priv->bus_cancel);
+ priv->bus_cancel = NULL;
+ }
- G_OBJECT_CLASS (indicator_service_parent_class)->dispose (object);
- return;
+ G_OBJECT_CLASS (indicator_service_parent_class)->dispose (object);
+ return;
}
/* Freeing the name we're looking for and all of the
@@ -262,14 +262,14 @@ indicator_service_dispose (GObject *object)
static void
indicator_service_finalize (GObject *object)
{
- IndicatorService * service = INDICATOR_SERVICE(object);
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(service);
+ IndicatorService * service = INDICATOR_SERVICE(object);
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(service);
- g_free (priv->name);
- g_clear_pointer (&priv->watchers, g_hash_table_destroy);
+ g_free (priv->name);
+ g_clear_pointer (&priv->watchers, g_hash_table_destroy);
- G_OBJECT_CLASS (indicator_service_parent_class)->finalize (object);
- return;
+ G_OBJECT_CLASS (indicator_service_parent_class)->finalize (object);
+ return;
}
/* Either copies a string for the name or it just grabs
@@ -277,36 +277,36 @@ indicator_service_finalize (GObject *object)
static void
set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
- IndicatorService * self = INDICATOR_SERVICE(object);
- g_return_if_fail(self != NULL);
-
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(self);
- g_return_if_fail(priv != NULL);
-
- switch (prop_id) {
- /* *********************** */
- case PROP_NAME:
- if (G_VALUE_HOLDS_STRING(value)) {
- if (priv->name != NULL) {
- g_error("Name can not be set twice!");
- }
- priv->name = g_value_dup_string(value);
- try_and_get_name(self);
- } else {
- g_warning("Name property requires a string value.");
- }
- break;
- /* *********************** */
- case PROP_VERSION:
- priv->this_service_version = g_value_get_uint(value);
- break;
- /* *********************** */
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-
- return;
+ IndicatorService * self = INDICATOR_SERVICE(object);
+ g_return_if_fail(self != NULL);
+
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(self);
+ g_return_if_fail(priv != NULL);
+
+ switch (prop_id) {
+ /* *********************** */
+ case PROP_NAME:
+ if (G_VALUE_HOLDS_STRING(value)) {
+ if (priv->name != NULL) {
+ g_error("Name can not be set twice!");
+ }
+ priv->name = g_value_dup_string(value);
+ try_and_get_name(self);
+ } else {
+ g_warning("Name property requires a string value.");
+ }
+ break;
+ /* *********************** */
+ case PROP_VERSION:
+ priv->this_service_version = g_value_get_uint(value);
+ break;
+ /* *********************** */
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+
+ return;
}
/* Copies out the name into a value or the version number.
@@ -314,70 +314,69 @@ set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec
static void
get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
- IndicatorService * self = INDICATOR_SERVICE(object);
- g_return_if_fail(self != NULL);
-
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(self);
- g_return_if_fail(priv != NULL);
-
- switch (prop_id) {
- /* *********************** */
- case PROP_NAME:
- if (G_VALUE_HOLDS_STRING(value)) {
- g_value_set_string(value, priv->name);
- } else {
- g_warning("Name property requires a string value.");
- }
- break;
- /* *********************** */
- case PROP_VERSION:
- g_value_set_uint(value, priv->this_service_version);
- break;
- /* *********************** */
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-
- return;
+ IndicatorService * self = INDICATOR_SERVICE(object);
+ g_return_if_fail(self != NULL);
+
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(self);
+ g_return_if_fail(priv != NULL);
+
+ switch (prop_id) {
+ /* *********************** */
+ case PROP_NAME:
+ if (G_VALUE_HOLDS_STRING(value)) {
+ g_value_set_string(value, priv->name);
+ } else {
+ g_warning("Name property requires a string value.");
+ }
+ break;
+ /* *********************** */
+ case PROP_VERSION:
+ g_value_set_uint(value, priv->this_service_version);
+ break;
+ /* *********************** */
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+
+ return;
}
/* Callback for getting our connection to DBus */
static void
bus_get_cb (__attribute__((unused)) GObject * object, GAsyncResult * res, gpointer user_data)
{
- GError * error = NULL;
- GDBusConnection * connection = g_bus_get_finish(res, &error);
-
- if (error != NULL) {
- g_warning("Unable to get a connection to the session DBus: %s", error->message);
- g_error_free(error);
- exit (0);
- }
-
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(user_data);
-
- g_warn_if_fail(priv->bus == NULL);
- priv->bus = connection;
-
- if (priv->bus_cancel != NULL) {
- g_object_unref(priv->bus_cancel);
- priv->bus_cancel = NULL;
- }
-
- /* Now register our object on our new connection */
- priv->dbus_registration = g_dbus_connection_register_object(priv->bus,
- INDICATOR_SERVICE_OBJECT,
- interface_info,
- &interface_table,
- user_data,
- NULL,
- &error);
- if (error != NULL) {
- g_error("Unable to register the object to DBus: %s", error->message);
- }
-
- return;
+ GError * error = NULL;
+ GDBusConnection * connection = g_bus_get_finish(res, &error);
+
+ if (error != NULL)
+ {
+ g_error("Unable to get a connection to the session DBus: %s", error->message);
+ }
+
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(user_data);
+
+ g_warn_if_fail(priv->bus == NULL);
+ priv->bus = connection;
+
+ if (priv->bus_cancel != NULL) {
+ g_object_unref(priv->bus_cancel);
+ priv->bus_cancel = NULL;
+ }
+
+ /* Now register our object on our new connection */
+ priv->dbus_registration = g_dbus_connection_register_object(priv->bus,
+ INDICATOR_SERVICE_OBJECT,
+ interface_info,
+ &interface_table,
+ user_data,
+ NULL,
+ &error);
+ if (error != NULL) {
+ g_error("Unable to register the object to DBus: %s", error->message);
+ }
+
+ return;
}
/* A method has been called from our dbus inteface. Figure out what it
@@ -385,21 +384,21 @@ bus_get_cb (__attribute__((unused)) GObject * object, GAsyncResult * res, gpoint
static void
bus_method_call (__attribute__((unused)) GDBusConnection * connection, const gchar * sender, __attribute__((unused)) const gchar * path, __attribute__((unused)) const gchar * interface, const gchar * method, __attribute__((unused)) GVariant * params, GDBusMethodInvocation * invocation, gpointer user_data)
{
- IndicatorService * service = INDICATOR_SERVICE(user_data);
- GVariant * retval = NULL;
-
- if (g_strcmp0(method, "Watch") == 0) {
- retval = bus_watch(service, sender);
- } else if (g_strcmp0(method, "UnWatch") == 0) {
- unwatch_core(service, sender);
- } else if (g_strcmp0(method, "Shutdown") == 0) {
- g_signal_emit(G_OBJECT(service), signals[SHUTDOWN], 0, TRUE);
- } else {
- g_warning("Calling method '%s' on the indicator service and it's unknown", method);
- }
-
- g_dbus_method_invocation_return_value(invocation, retval);
- return;
+ IndicatorService * service = INDICATOR_SERVICE(user_data);
+ GVariant * retval = NULL;
+
+ if (g_strcmp0(method, "Watch") == 0) {
+ retval = bus_watch(service, sender);
+ } else if (g_strcmp0(method, "UnWatch") == 0) {
+ unwatch_core(service, sender);
+ } else if (g_strcmp0(method, "Shutdown") == 0) {
+ g_signal_emit(G_OBJECT(service), signals[SHUTDOWN], 0, TRUE);
+ } else {
+ g_warning("Calling method '%s' on the indicator service and it's unknown", method);
+ }
+
+ g_dbus_method_invocation_return_value(invocation, retval);
+ return;
}
/* A function to remove the signals on a proxy before we destroy
@@ -407,8 +406,8 @@ bus_method_call (__attribute__((unused)) GDBusConnection * connection, const gch
static void
watchers_remove (gpointer value)
{
- g_bus_unwatch_name(GPOINTER_TO_UINT(value));
- return;
+ g_bus_unwatch_name(GPOINTER_TO_UINT(value));
+ return;
}
/* This is the function that gets executed if we timeout
@@ -417,13 +416,13 @@ watchers_remove (gpointer value)
static gboolean
timeout_no_watchers (gpointer data)
{
- g_warning("No watchers, service timing out.");
- if (g_getenv("INDICATOR_ALLOW_NO_WATCHERS") == NULL) {
- g_signal_emit(G_OBJECT(data), signals[SHUTDOWN], 0, TRUE);
- } else {
- g_warning("\tblocked by environment variable.");
- }
- return FALSE;
+ g_warning("No watchers, service timing out.");
+ if (g_getenv("INDICATOR_ALLOW_NO_WATCHERS") == NULL) {
+ g_signal_emit(G_OBJECT(data), signals[SHUTDOWN], 0, TRUE);
+ } else {
+ g_warning("\tblocked by environment variable.");
+ }
+ return FALSE;
}
/* Callback saying that the name we were looking for has been
@@ -432,23 +431,23 @@ timeout_no_watchers (gpointer data)
static void
try_and_get_name_acquired_cb (GDBusConnection * connection, __attribute__((unused)) const gchar * name, gpointer user_data)
{
- g_return_if_fail(connection != NULL);
- g_return_if_fail(INDICATOR_IS_SERVICE(user_data));
+ g_return_if_fail(connection != NULL);
+ g_return_if_fail(INDICATOR_IS_SERVICE(user_data));
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(user_data);
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(user_data);
- /* Check to see if we already had a timer, if so we want to
- extend it a bit. */
- if (priv->timeout != 0) {
- g_source_remove(priv->timeout);
- priv->timeout = 0;
- }
+ /* Check to see if we already had a timer, if so we want to
+ extend it a bit. */
+ if (priv->timeout != 0) {
+ g_source_remove(priv->timeout);
+ priv->timeout = 0;
+ }
- /* Allow some extra time at start up as things can be in high
- contention then. */
- priv->timeout = g_timeout_add(priv->timeout_length * 2, timeout_no_watchers, user_data);
+ /* Allow some extra time at start up as things can be in high
+ contention then. */
+ priv->timeout = g_timeout_add(priv->timeout_length * 2, timeout_no_watchers, user_data);
- return;
+ return;
}
/* Callback saying that we didn't get the name, so we need to
@@ -456,57 +455,57 @@ try_and_get_name_acquired_cb (GDBusConnection * connection, __attribute__((unuse
static void
try_and_get_name_lost_cb (GDBusConnection * connection, const gchar * name, gpointer user_data)
{
- g_return_if_fail(connection != NULL);
- g_return_if_fail(INDICATOR_IS_SERVICE(user_data));
-
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(user_data);
-
- if (!priv->replace_mode) {
- g_warning("Name request failed.");
- g_signal_emit(G_OBJECT(user_data), signals[SHUTDOWN], 0, TRUE);
- } else {
- /* If we're in replace mode we can be a little more trickey
- here. We're going to tell the other guy to shutdown and hope
- that we get the name. */
- GDBusMessage * message = NULL;
- message = g_dbus_message_new_method_call(name,
- INDICATOR_SERVICE_OBJECT,
- INDICATOR_SERVICE_INTERFACE,
- "Shutdown");
-
- g_dbus_connection_send_message(connection, message, G_DBUS_SEND_MESSAGE_FLAGS_NONE, NULL, NULL);
- g_object_unref(message);
-
- /* Check to see if we need to clean up a timeout */
- if (priv->timeout != 0) {
- g_source_remove(priv->timeout);
- priv->timeout = 0;
- }
-
- /* Set a timeout for no watchers if we can't get the name */
- priv->timeout = g_timeout_add(priv->timeout_length * 4, timeout_no_watchers, user_data);
- }
-
- return;
+ g_return_if_fail(connection != NULL);
+ g_return_if_fail(INDICATOR_IS_SERVICE(user_data));
+
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(user_data);
+
+ if (!priv->replace_mode) {
+ g_warning("Name request failed.");
+ g_signal_emit(G_OBJECT(user_data), signals[SHUTDOWN], 0, TRUE);
+ } else {
+ /* If we're in replace mode we can be a little more trickey
+ here. We're going to tell the other guy to shutdown and hope
+ that we get the name. */
+ GDBusMessage * message = NULL;
+ message = g_dbus_message_new_method_call(name,
+ INDICATOR_SERVICE_OBJECT,
+ INDICATOR_SERVICE_INTERFACE,
+ "Shutdown");
+
+ g_dbus_connection_send_message(connection, message, G_DBUS_SEND_MESSAGE_FLAGS_NONE, NULL, NULL);
+ g_object_unref(message);
+
+ /* Check to see if we need to clean up a timeout */
+ if (priv->timeout != 0) {
+ g_source_remove(priv->timeout);
+ priv->timeout = 0;
+ }
+
+ /* Set a timeout for no watchers if we can't get the name */
+ priv->timeout = g_timeout_add(priv->timeout_length * 4, timeout_no_watchers, user_data);
+ }
+
+ return;
}
/* This function sets up the request for the name on dbus. */
static void
try_and_get_name (IndicatorService * service)
{
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(service);
- g_return_if_fail(priv->name != NULL);
-
- g_bus_own_name(G_BUS_TYPE_SESSION,
- priv->name,
- G_BUS_NAME_OWNER_FLAGS_NONE,
- NULL, /* bus acquired */
- try_and_get_name_acquired_cb, /* name acquired */
- try_and_get_name_lost_cb, /* name lost */
- service,
- NULL); /* user data destroy */
-
- return;
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(service);
+ g_return_if_fail(priv->name != NULL);
+
+ g_bus_own_name(G_BUS_TYPE_SESSION,
+ priv->name,
+ G_BUS_NAME_OWNER_FLAGS_NONE,
+ NULL, /* bus acquired */
+ try_and_get_name_acquired_cb, /* name acquired */
+ try_and_get_name_lost_cb, /* name lost */
+ service,
+ NULL); /* user data destroy */
+
+ return;
}
/* When the watcher vanishes we don't really care about it
@@ -514,17 +513,17 @@ try_and_get_name (IndicatorService * service)
static void
watcher_vanished_cb (__attribute__((unused)) GDBusConnection * connection, const gchar * name, gpointer user_data)
{
- g_return_if_fail(INDICATOR_IS_SERVICE(user_data));
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(user_data);
+ g_return_if_fail(INDICATOR_IS_SERVICE(user_data));
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(user_data);
- gpointer finddata = g_hash_table_lookup(priv->watchers, name);
- if (finddata != NULL) {
- unwatch_core(INDICATOR_SERVICE(user_data), name);
- } else {
- g_warning("Odd, we were watching for '%s' and it disappeard, but then it wasn't in the hashtable.", name);
- }
+ gpointer finddata = g_hash_table_lookup(priv->watchers, name);
+ if (finddata != NULL) {
+ unwatch_core(INDICATOR_SERVICE(user_data), name);
+ } else {
+ g_warning("Odd, we were watching for '%s' and it disappeard, but then it wasn't in the hashtable.", name);
+ }
- return;
+ return;
}
/* Here is the function that gets called by the dbus
@@ -534,31 +533,31 @@ watcher_vanished_cb (__attribute__((unused)) GDBusConnection * connection, const
static GVariant *
bus_watch (IndicatorService * service, const gchar * sender)
{
- g_return_val_if_fail(INDICATOR_IS_SERVICE(service), NULL);
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(service);
-
- if (GPOINTER_TO_UINT(g_hash_table_lookup(priv->watchers, sender)) == 0) {
- guint watch = g_bus_watch_name_on_connection(priv->bus,
- sender,
- G_BUS_NAME_WATCHER_FLAGS_NONE,
- NULL, /* appeared, we dont' care, should have already happened. */
- watcher_vanished_cb,
- service,
- NULL);
-
- if (watch != 0) {
- g_hash_table_insert(priv->watchers, g_strdup(sender), GUINT_TO_POINTER(watch));
- } else {
- g_warning("Unable watch for '%s'", sender);
- }
- }
-
- if (priv->timeout != 0) {
- g_source_remove(priv->timeout);
- priv->timeout = 0;
- }
-
- return g_variant_new("(uu)", INDICATOR_SERVICE_VERSION, priv->this_service_version);
+ g_return_val_if_fail(INDICATOR_IS_SERVICE(service), NULL);
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(service);
+
+ if (GPOINTER_TO_UINT(g_hash_table_lookup(priv->watchers, sender)) == 0) {
+ guint watch = g_bus_watch_name_on_connection(priv->bus,
+ sender,
+ G_BUS_NAME_WATCHER_FLAGS_NONE,
+ NULL, /* appeared, we dont' care, should have already happened. */
+ watcher_vanished_cb,
+ service,
+ NULL);
+
+ if (watch != 0) {
+ g_hash_table_insert(priv->watchers, g_strdup(sender), GUINT_TO_POINTER(watch));
+ } else {
+ g_warning("Unable watch for '%s'", sender);
+ }
+ }
+
+ if (priv->timeout != 0) {
+ g_source_remove(priv->timeout);
+ priv->timeout = 0;
+ }
+
+ return g_variant_new("(uu)", INDICATOR_SERVICE_VERSION, priv->this_service_version);
}
/* Performs the core of loosing a watcher; it removes them
@@ -567,83 +566,83 @@ bus_watch (IndicatorService * service, const gchar * sender)
static void
unwatch_core (IndicatorService * service, const gchar * name)
{
- g_return_if_fail(name != NULL);
- g_return_if_fail(INDICATOR_IS_SERVICE(service));
-
- IndicatorServicePrivate * priv = indicator_service_get_instance_private(service);
-
- /* Remove us from the watcher list here */
- gpointer watcher_item = g_hash_table_lookup(priv->watchers, name);
- if (watcher_item != NULL) {
- gchar * safe_name = g_strdup(name);
- g_hash_table_remove(priv->watchers, safe_name);
- g_free(safe_name);
- } else {
- /* Odd that we couldn't find the person, but, eh */
- g_warning("Unable to find watcher who is unwatching: %s", name);
- }
-
- /* If we're out of watchers set the timeout for shutdown */
- if (g_hash_table_size(priv->watchers) == 0) {
- if (priv->timeout != 0) {
- /* This should never really happen, but let's ensure that
- bad things don't happen if it does. */
- g_warning("No watchers timeout set twice. Resolving, but odd.");
- g_source_remove(priv->timeout);
- priv->timeout = 0;
- }
- /* If we don't get a new watcher quickly, we'll shutdown. */
- priv->timeout = g_timeout_add(priv->timeout_length, timeout_no_watchers, service);
- }
-
- return;
+ g_return_if_fail(name != NULL);
+ g_return_if_fail(INDICATOR_IS_SERVICE(service));
+
+ IndicatorServicePrivate * priv = indicator_service_get_instance_private(service);
+
+ /* Remove us from the watcher list here */
+ gpointer watcher_item = g_hash_table_lookup(priv->watchers, name);
+ if (watcher_item != NULL) {
+ gchar * safe_name = g_strdup(name);
+ g_hash_table_remove(priv->watchers, safe_name);
+ g_free(safe_name);
+ } else {
+ /* Odd that we couldn't find the person, but, eh */
+ g_warning("Unable to find watcher who is unwatching: %s", name);
+ }
+
+ /* If we're out of watchers set the timeout for shutdown */
+ if (g_hash_table_size(priv->watchers) == 0) {
+ if (priv->timeout != 0) {
+ /* This should never really happen, but let's ensure that
+ bad things don't happen if it does. */
+ g_warning("No watchers timeout set twice. Resolving, but odd.");
+ g_source_remove(priv->timeout);
+ priv->timeout = 0;
+ }
+ /* If we don't get a new watcher quickly, we'll shutdown. */
+ priv->timeout = g_timeout_add(priv->timeout_length, timeout_no_watchers, service);
+ }
+
+ return;
}
/* API */
/**
- indicator_service_new:
- @name: The name for the service on dbus
+ indicator_service_new:
+ @name: The name for the service on dbus
- This function creates the service on DBus and tries to
- get a well-known name specified in @name. If the name
- can't be estabilished then the #IndicatorService::shutdown
- signal will be sent.
+ This function creates the service on DBus and tries to
+ get a well-known name specified in @name. If the name
+ can't be estabilished then the #IndicatorService::shutdown
+ signal will be sent.
- Return value: A brand new #IndicatorService object or #NULL
- if there is an error.
+ Return value: A brand new #IndicatorService object or #NULL
+ if there is an error.
*/
IndicatorService *
indicator_service_new (gchar * name)
{
- GObject * obj = g_object_new(INDICATOR_SERVICE_TYPE,
- PROP_NAME_S, name,
- NULL);
+ GObject * obj = g_object_new(INDICATOR_SERVICE_TYPE,
+ PROP_NAME_S, name,
+ NULL);
- return INDICATOR_SERVICE(obj);
+ return INDICATOR_SERVICE(obj);
}
/**
- indicator_service_new_version:
- @name: The name for the service on dbus
- @version: The version of the other interfaces provide
- by the service.
-
- This function creates the service on DBus and tries to
- get a well-known name specified in @name. If the name
- can't be estabilished then the #IndicatorService::shutdown
- signal will be sent.
-
- Return value: A brand new #IndicatorService object or #NULL
- if there is an error.
+ indicator_service_new_version:
+ @name: The name for the service on dbus
+ @version: The version of the other interfaces provide
+ by the service.
+
+ This function creates the service on DBus and tries to
+ get a well-known name specified in @name. If the name
+ can't be estabilished then the #IndicatorService::shutdown
+ signal will be sent.
+
+ Return value: A brand new #IndicatorService object or #NULL
+ if there is an error.
*/
IndicatorService *
indicator_service_new_version (gchar * name, guint version)
{
- GObject * obj = g_object_new(INDICATOR_SERVICE_TYPE,
- PROP_NAME_S, name,
- PROP_VERSION_S, version,
- NULL);
+ GObject * obj = g_object_new(INDICATOR_SERVICE_TYPE,
+ PROP_NAME_S, name,
+ PROP_VERSION_S, version,
+ NULL);
- return INDICATOR_SERVICE(obj);
+ return INDICATOR_SERVICE(obj);
}