diff options
Diffstat (limited to 'plugins/udisks/udisks-plugin.c')
| -rw-r--r-- | plugins/udisks/udisks-plugin.c | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/plugins/udisks/udisks-plugin.c b/plugins/udisks/udisks-plugin.c deleted file mode 100644 index 4f2bc7a..0000000 --- a/plugins/udisks/udisks-plugin.c +++ /dev/null @@ -1,334 +0,0 @@ -/* - * Copyright (C) 2009 Pramod Dematagoda <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif /* HAVE_CONFIG_H */ - -#include <stdio.h> -#include <atasmart.h> -#include <glib.h> -#include <dbus/dbus-glib.h> -#include "udisks-plugin.h" - -#define UDISKS_BUS_NAME "org.freedesktop.UDisks" -#define UDISKS_DEVICE_INTERFACE_NAME "org.freedesktop.UDisks.Device" -#define UDISKS_INTERFACE_NAME "org.freedesktop.UDisks" -#define UDISKS_PROPERTIES_INTERFACE "org.freedesktop.DBus.Properties" -#define UDISKS_OBJECT_PATH "/org/freedesktop/UDisks" - - -/* - * Info about a single sensor - */ -typedef struct _DevInfo{ - gchar *path; - gchar *id; - gdouble temp; - DBusGProxy *sensor_proxy; - GError *error; -} DevInfo; - -const gchar *plugin_name = "udisks"; - -GHashTable *devices = NULL; - -/* This is a global variable for convenience */ -DBusGConnection *connection; - -static void update_device(DevInfo *info) -{ - DBusGProxy *sensor_proxy; - GValue smart_time = G_VALUE_INIT; - SkDisk *sk_disk; - GValue smart_blob_val = G_VALUE_INIT; - GArray *smart_blob; - guint64 temperature; - - g_return_if_fail(info != NULL); - - g_clear_error(&info->error); - - sensor_proxy = dbus_g_proxy_new_for_name(connection, - UDISKS_BUS_NAME, - info->path, - UDISKS_PROPERTIES_INTERFACE); - - if (!dbus_g_proxy_call(sensor_proxy, "Get", NULL, - G_TYPE_STRING, UDISKS_BUS_NAME, - G_TYPE_STRING, "DriveAtaSmartTimeCollected", G_TYPE_INVALID, - G_TYPE_VALUE, &smart_time, - G_TYPE_INVALID) || - !g_value_get_uint64(&smart_time)) { - - g_object_unref(sensor_proxy); - return; - } - - if (!dbus_g_proxy_call(sensor_proxy, "Get", &info->error, - G_TYPE_STRING, UDISKS_BUS_NAME, - G_TYPE_STRING, "DriveAtaSmartBlob", G_TYPE_INVALID, - G_TYPE_VALUE, &smart_blob_val, - G_TYPE_INVALID)) { - - g_debug("Error getting DriveAtaSmartBlob %s", info->error ? info->error->message : "NULL"); - g_object_unref(sensor_proxy); - return; - } - smart_blob = g_value_get_boxed(&smart_blob_val); - - sk_disk_open(NULL, &sk_disk); - sk_disk_set_blob(sk_disk, smart_blob->data, smart_blob->len); - if (sk_disk_smart_get_temperature(sk_disk, &temperature) < 0) { - g_debug("Error getting temperature from AtaSmartBlob"); - g_free(sk_disk); - g_array_free(smart_blob, TRUE); - g_object_unref(sensor_proxy); - return; - } - - /* Temperature is in mK, so convert it to K first */ - temperature /= 1000; - info->temp = (gdouble)temperature - 273.15; - - g_free(sk_disk); - g_array_free(smart_blob, TRUE); - g_object_unref(sensor_proxy); -} - -/* This is the handler for the Changed() signal emitted by UDisks. */ -static void udisks_changed_signal_cb(DBusGProxy *sensor_proxy) { - const gchar *path; - DevInfo *info; - - path = dbus_g_proxy_get_path(sensor_proxy); - g_debug("%s changed()", path); - info = g_hash_table_lookup(devices, path); - - update_device(info); -} - -static void udisks_plugin_get_sensors(GList **sensors) { - DBusGProxy *proxy, *sensor_proxy; - GError *error = NULL; - GPtrArray *paths; - guint i; - DevInfo *info; - - /* This connection will be used for everything, including the obtaining of sensor data */ - connection = dbus_g_bus_get(DBUS_BUS_SYSTEM, &error); - if (connection == NULL) - { - g_debug("Failed to open connection to DBUS: %s", error->message); - g_error_free(error); - return; - } - - /* This is the proxy which is only used once during the enumeration of the device object paths */ - proxy = dbus_g_proxy_new_for_name(connection, - UDISKS_BUS_NAME, - UDISKS_OBJECT_PATH, - UDISKS_INTERFACE_NAME); - - /* The object paths of the disks are enumerated and placed in an array of object paths */ - if (!dbus_g_proxy_call(proxy, "EnumerateDevices", &error, - G_TYPE_INVALID, - dbus_g_type_get_collection("GPtrArray", - DBUS_TYPE_G_OBJECT_PATH), - &paths, - G_TYPE_INVALID)) { - - g_debug("Failed to enumerate disk devices: %s", error->message); - g_error_free(error); - g_object_unref(proxy); - dbus_g_connection_unref(connection); - connection = NULL; - return; - } - - for (i = 0; i < paths->len; i++) { - /* This proxy is used to get the required data in order to build up the list of sensors */ - GValue smart_available = G_VALUE_INIT; - gchar *path = (gchar *)g_ptr_array_index(paths, i); - - sensor_proxy = dbus_g_proxy_new_for_name(connection, - UDISKS_BUS_NAME, - path, - UDISKS_PROPERTIES_INTERFACE); - - if (dbus_g_proxy_call(sensor_proxy, "Get", &error, - G_TYPE_STRING, - UDISKS_BUS_NAME, - G_TYPE_STRING, - "DriveAtaSmartIsAvailable", - G_TYPE_INVALID, - G_TYPE_VALUE, &smart_available, G_TYPE_INVALID)) { - - if (!g_value_get_boolean(&smart_available)) { - g_debug("Drive at path '%s' does not support Smart monitoring... ignoring", path); - g_object_unref(sensor_proxy); - g_free (path); - continue; - } - - GValue model_v = G_VALUE_INIT; - dbus_g_proxy_call(sensor_proxy, "Get", NULL, - G_TYPE_STRING, UDISKS_BUS_NAME, - G_TYPE_STRING, "DriveModel", - G_TYPE_INVALID, - G_TYPE_VALUE, &model_v, - G_TYPE_INVALID); - - GValue dev_v = G_VALUE_INIT; - dbus_g_proxy_call(sensor_proxy, "Get", NULL, - G_TYPE_STRING, UDISKS_BUS_NAME, - G_TYPE_STRING, "DeviceFile", - G_TYPE_INVALID, - G_TYPE_VALUE, &dev_v, - G_TYPE_INVALID); - - GValue ids_v = G_VALUE_INIT; - dbus_g_proxy_call(sensor_proxy, "Get", NULL, - G_TYPE_STRING, UDISKS_BUS_NAME, - G_TYPE_STRING, "DeviceFileById", - G_TYPE_INVALID, - G_TYPE_VALUE, &ids_v, - G_TYPE_INVALID); - - g_object_unref(sensor_proxy); - - sensor_proxy = dbus_g_proxy_new_for_name(connection, - UDISKS_BUS_NAME, - path, - UDISKS_DEVICE_INTERFACE_NAME); - - /* Use the Changed() signal emitted from UDisks to - * get the temperature immediately if it changes rather - * than waiting to poll - */ - dbus_g_proxy_add_signal(sensor_proxy, "Changed", G_TYPE_INVALID); - - dbus_g_proxy_connect_signal(sensor_proxy, "Changed", - G_CALLBACK(udisks_changed_signal_cb), - path, NULL); - - const gchar *model = g_value_get_string(&model_v); - const gchar *dev = g_value_get_string(&dev_v); - const GStrv ids = g_value_get_boxed(&ids_v); - - const gchar *id = ids != NULL && ids[0] != NULL ? ids[0] : dev; - - info = g_malloc0(sizeof(DevInfo)); - if (devices == NULL) - { - devices = g_hash_table_new(g_str_hash, g_str_equal); - } - info->id = g_strdup(id); - info->path = g_strdup(path); - info->sensor_proxy = sensor_proxy; - /* Set the device status changed as TRUE because we need - * to get the initial temperature reading - */ - info->temp = 0.0; - g_hash_table_insert(devices, info->id, info); - - /* Write the sensor data */ - sensors_applet_plugin_add_sensor(sensors, - id, - "Disk Temperature", - model, - TEMP_SENSOR, - FALSE, - HDD_ICON, - DEFAULT_GRAPH_COLOR); - - g_value_unset(&ids_v); - g_value_unset(&model_v); - g_value_unset(&dev_v); - g_debug("Added %s %s", path, id); - } else { - g_debug ("Cannot obtain data for device: %s\n" - "Error: %s\n", - path, - error->message); - g_error_free (error); - error = NULL; - g_object_unref(sensor_proxy); - } - g_free(path); - } /* end of for */ - - g_ptr_array_free(paths, TRUE); - g_object_unref(proxy); - if (devices == NULL) - { - dbus_g_connection_unref(connection); - connection = NULL; - } -} - -static gdouble udisks_plugin_get_sensor_value(const gchar *path, - const gchar *id, - SensorType type, - GError **error) { - DevInfo *info; - - info = (DevInfo *)g_hash_table_lookup(devices, path); - if (info == NULL) - { - g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, 0, "Error finding disk with path %s", path); - return 0.0; - } - - if (info->error) - { - *error = info->error; - info->error = NULL; - return 0.0; - } - - /* update value since Changed() signal doesn't fire manually enough so poll instead */ - update_device(info); - return info->temp; -} - -static GList *udisks_plugin_init(void) { - GList *sensors = NULL; - - udisks_plugin_get_sensors(&sensors); - - return sensors; -} - -const gchar *sensors_applet_plugin_name(void) -{ - return plugin_name; -} - -GList *sensors_applet_plugin_init(void) -{ - return udisks_plugin_init(); -} - -gdouble sensors_applet_plugin_get_sensor_value(const gchar *path, - const gchar *id, - SensorType type, - GError **error) { - - return udisks_plugin_get_sensor_value(path, id, type, error); -} |