static void
is_indicator_dispose(GObject *object)
{
IsIndicator *self = (IsIndicator *)object;
IsIndicatorPrivate *priv = self->priv;
IsManager *manager;
GSList *sensors, *_list;
manager = is_application_get_manager(priv->application);
g_signal_handlers_disconnect_by_func(manager, sensor_enabled, self);
g_signal_handlers_disconnect_by_func(manager, sensor_disabled, self);
g_signal_handlers_disconnect_by_func(manager, sensor_added, self);
/* fake disabling of any sensors */
sensors = is_manager_get_enabled_sensors_list(manager);
for (_list = sensors; _list != NULL; _list = _list->next)
{
IsSensor *sensor = IS_SENSOR(_list->data);
_sensor_disabled(IS_SENSOR(_list->data), self);
g_object_unref(sensor);
}
g_slist_free(sensors);
#if !HAVE_APPINDICATOR
g_object_set_data(G_OBJECT(self), "indicator-menu", NULL);
#endif
G_OBJECT_CLASS(is_indicator_parent_class)->dispose(object);
}
static gboolean
fake_add_enable_sensors(IsIndicator *self)
{
IsManager *manager;
GSList *sensors, *_list;
gint i = 0;
manager = is_application_get_manager(self->priv->application);
/* fake addition of any sensors */
sensors = is_manager_get_all_sensors_list(manager);
for (_list = sensors; _list != NULL; _list = _list->next)
{
IsSensor *sensor = IS_SENSOR(_list->data);
sensor_added(manager, IS_SENSOR(_list->data), self);
g_object_unref(sensor);
}
g_slist_free(sensors);
/* fake enabling of any sensors */
sensors = is_manager_get_enabled_sensors_list(manager);
for (_list = sensors; _list != NULL; _list = _list->next)
{
IsSensor *sensor = IS_SENSOR(_list->data);
sensor_enabled(manager, IS_SENSOR(_list->data), i++,
self);
g_object_unref(sensor);
}
g_slist_free(sensors);
return FALSE;
}
void is_temperature_sensor_set_scale(IsTemperatureSensor *self,
IsTemperatureSensorScale scale)
{
IsTemperatureSensorPrivate *priv;
g_return_if_fail(IS_IS_TEMPERATURE_SENSOR(self));
g_return_if_fail(scale == IS_TEMPERATURE_SENSOR_SCALE_CELSIUS ||
scale == IS_TEMPERATURE_SENSOR_SCALE_FAHRENHEIT);
priv = self->priv;
if (scale != priv->scale)
{
gdouble value = is_sensor_get_value(IS_SENSOR(self));
gdouble alarm_value = is_sensor_get_alarm_value(IS_SENSOR(self));
gdouble low_value = is_sensor_get_low_value(IS_SENSOR(self));
gdouble high_value = is_sensor_get_high_value(IS_SENSOR(self));
/* convert from current scale to new */
switch (priv->scale)
{
case IS_TEMPERATURE_SENSOR_SCALE_CELSIUS:
value = celcius_to_fahrenheit(value);
alarm_value = celcius_to_fahrenheit(alarm_value);
low_value = celcius_to_fahrenheit(low_value);
high_value = celcius_to_fahrenheit(high_value);
break;
case IS_TEMPERATURE_SENSOR_SCALE_FAHRENHEIT:
value = fahrenheit_to_celcius(value);
alarm_value = fahrenheit_to_celcius(alarm_value);
low_value = fahrenheit_to_celcius(low_value);
high_value = fahrenheit_to_celcius(high_value);
break;
case IS_TEMPERATURE_SENSOR_SCALE_INVALID:
case NUM_IS_TEMPERATURE_SENSOR_SCALE:
default:
g_assert_not_reached();
break;
}
priv->scale = scale;
is_sensor_set_units(IS_SENSOR(self),
is_temperature_sensor_scale_to_string(priv->scale));
/* set all in one go */
g_object_set(self,
"value", value,
"alarm-value", alarm_value,
"low-value", low_value,
"high-value", high_value,
NULL);
}
}
static void
is_max_plugin_deactivate(PeasActivatable *activatable)
{
IsMaxPlugin *self = IS_MAX_PLUGIN(activatable);
IsMaxPluginPrivate *priv = self->priv;
IsManager *manager;
GSList *sensors, *_list;
is_debug("max", "dettaching from signals");
manager = is_application_get_manager(priv->application);
is_manager_remove_path(manager, MAX_SENSOR_PATH);
sensors = is_manager_get_enabled_sensors_list(manager);
for (_list = sensors;
_list != NULL;
_list = _list->next)
{
IsSensor *sensor = IS_SENSOR(_list->data);
on_sensor_disabled(manager, sensor, self);
g_object_unref(sensor);
}
g_slist_free(sensors);
g_signal_handlers_disconnect_by_func(manager,
G_CALLBACK(on_sensor_enabled), self);
g_signal_handlers_disconnect_by_func(manager,
G_CALLBACK(on_sensor_disabled), self);
}
void
is_temperature_sensor_set_celsius_value(IsTemperatureSensor *self,
gdouble value)
{
IsTemperatureSensorPrivate *priv;
g_return_if_fail(IS_IS_TEMPERATURE_SENSOR(self));
priv = self->priv;
switch (priv->scale)
{
case IS_TEMPERATURE_SENSOR_SCALE_CELSIUS:
break;
case IS_TEMPERATURE_SENSOR_SCALE_FAHRENHEIT:
value = celcius_to_fahrenheit(value);
break;
case IS_TEMPERATURE_SENSOR_SCALE_INVALID:
case NUM_IS_TEMPERATURE_SENSOR_SCALE:
default:
g_assert_not_reached();
}
is_sensor_set_value(IS_SENSOR(self), value);
}
static void
is_temperature_sensor_init(IsTemperatureSensor *self)
{
IsTemperatureSensorPrivate *priv =
G_TYPE_INSTANCE_GET_PRIVATE(self, IS_TYPE_TEMPERATURE_SENSOR,
IsTemperatureSensorPrivate);
self->priv = priv;
/* initialise scale to celcius */
priv->scale = IS_TEMPERATURE_SENSOR_SCALE_CELSIUS;
is_sensor_set_units(IS_SENSOR(self),
is_temperature_sensor_scale_to_string(priv->scale));
}
static void
on_sensor_disabled(IsManager *manager,
IsSensor *sensor,
gpointer data)
{
IsMaxPlugin *self = (IsMaxPlugin *)data;
IsMaxPluginPrivate *priv = self->priv;
// don't bother monitoring non-temperature sensors
if (IS_IS_TEMPERATURE_SENSOR(sensor))
{
is_debug("max", "sensor disabled: %s", is_sensor_get_label(sensor));
g_signal_handlers_disconnect_by_func(sensor,
G_CALLBACK(on_sensor_value_notify),
self);
if (priv->max == sensor)
{
// get all sensors and find the one with the maximum value and switch to
// this
GSList *sensors, *_list;
priv->max = NULL;
priv->max_value = 0.0;
is_sensor_set_label(priv->sensor, "Δ");
is_sensor_set_icon(priv->sensor, IS_STOCK_CHIP);
is_sensor_set_value(priv->sensor, 0.0);
is_sensor_set_units(priv->sensor, "");
is_sensor_set_digits(priv->sensor, 1);
sensors = is_manager_get_enabled_sensors_list(manager);
for (_list = sensors;
_list != NULL;
_list = _list->next)
{
if (IS_IS_TEMPERATURE_SENSOR(_list->data))
{
on_sensor_value_notify(IS_SENSOR(_list->data),
NULL,
self);
}
}
}
}
}
static void
sensor_menu_item_toggled(GtkMenuItem *menu_item,
IsIndicator *self)
{
IsSensor *sensor;
gboolean active = FALSE;
g_return_if_fail(IS_IS_INDICATOR(self));
/* only set as primary if was toggled to active state since we may have
* untoggled it instead */
active = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menu_item));
if (active)
{
sensor = IS_SENSOR(g_object_get_data(G_OBJECT(menu_item),
"sensor"));
is_debug("indicator", "Sensor %s menu-item toggled to active - setting as primary sensor",
is_sensor_get_path(sensor));
is_indicator_set_primary_sensor_path(self, is_sensor_get_path(sensor));
}
}
static void
is_max_plugin_activate(PeasActivatable *activatable)
{
IsMaxPlugin *self = IS_MAX_PLUGIN(activatable);
IsMaxPluginPrivate *priv = self->priv;
IsManager *manager;
GSList *sensors, *_list;
int i = 0;
manager = is_application_get_manager(priv->application);
// create our virtual sensor which mimics the current highest value sensor's
// value and label
is_debug("max", "creating virtual sensor");
priv->sensor = is_sensor_new(MAX_SENSOR_PATH);
is_sensor_set_label(priv->sensor, "Δ");
is_sensor_set_icon(priv->sensor, IS_STOCK_CHIP);
is_sensor_set_value(priv->sensor, 0.0);
is_sensor_set_units(priv->sensor, "");
is_sensor_set_digits(priv->sensor, 1);
is_manager_add_sensor(manager, priv->sensor);
is_debug("max", "attaching to signals");
sensors = is_manager_get_enabled_sensors_list(manager);
for (_list = sensors;
_list != NULL;
_list = _list->next)
{
IsSensor *sensor = IS_SENSOR(_list->data);
on_sensor_enabled(manager, sensor, i, self);
g_object_unref(sensor);
i++;
}
g_slist_free(sensors);
g_signal_connect(manager, "sensor-enabled",
G_CALLBACK(on_sensor_enabled), self);
g_signal_connect(manager, "sensor-disabled",
G_CALLBACK(on_sensor_disabled), self);
}
static void
update_sensor_value(IsTemperatureSensor *sensor,
IsUdisksPlugin *self)
{
IsUdisksPluginPrivate *priv;
gchar *device, *path;
GDBusProxy *proxy;
GVariant *var;
GError *error = NULL;
SkDisk *sk_disk;
const gchar *blob;
gsize len;
guint64 temperature;
gdouble value;
priv = self->priv;
device = g_path_get_basename(is_sensor_get_path(IS_SENSOR(sensor)));
path = g_strdup_printf("%s/devices/%s", UDISKS_OBJECT_PATH, device);
proxy = g_dbus_proxy_new_sync(priv->connection,
G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
NULL,
UDISKS_BUS_NAME,
path,
UDISKS_DEVICE_INTERFACE_NAME,
NULL, &error);
g_free(path);
g_free(device);
if (!proxy) {
g_prefix_error(&error,
_("Error reading new SMART data for sensor %s"),
is_sensor_get_path(IS_SENSOR(sensor)));
is_sensor_emit_error(IS_SENSOR(sensor), error);
g_error_free(error);
goto out;
}
/* update smart data */
var = g_variant_new_strv(NULL, 0);
var = g_dbus_proxy_call_sync(proxy, "DriveAtaSmartRefreshData",
g_variant_new_tuple(&var,
1),
G_DBUS_CALL_FLAGS_NONE,
-1, NULL, &error);
if (!var) {
g_prefix_error(&error,
_("Error refreshing SMART data for sensor %s"),
is_sensor_get_path(IS_SENSOR(sensor)));
is_sensor_emit_error(IS_SENSOR(sensor), error);
g_error_free(error);
g_object_unref(proxy);
goto out;
}
g_variant_unref(var);
var = g_dbus_proxy_get_cached_property(proxy,
"DriveAtaSmartBlob");
if (!var) {
is_debug("udisks", "unable to get atasmartblob for sensor %s",
is_sensor_get_path(IS_SENSOR(sensor)));
g_object_unref(proxy);
goto out;
}
g_object_unref(proxy);
/* can't unref var until done with blob */
blob = g_variant_get_fixed_array(var, &len, sizeof(gchar));
if (!blob) {
/* this can occur if udisks doesn't update immediately,
* ignore */
g_variant_unref(var);
goto out;
}
sk_disk_open(NULL, &sk_disk);
sk_disk_set_blob(sk_disk, blob, len);
if (sk_disk_smart_get_temperature(sk_disk, &temperature) < 0)
{
is_debug("udisks", "Error getting temperature from AtaSmartBlob for sensor %s",
is_sensor_get_path(IS_SENSOR(sensor)));
sk_disk_free(sk_disk);
g_variant_unref(var);
/* TODO: emit error */
goto out;
}
sk_disk_free(sk_disk);
g_variant_unref(var);
/* Temperature is in mK, so convert it to K first */
temperature /= 1000;
value = (gdouble)temperature - 273.15;
is_temperature_sensor_set_celsius_value(sensor, value);
out:
return;
}
// Entry point of track-server
void track_server_entry() {
RegisterAs(TRACK_SERVER);
// Initialize the track
track_init();
// Initialize the reservation list
reservation_init(train_reservations);
// So we can update our own cached copy of the switch table
int switch_courier_tid = CreateSwitchCourier(PRIORITY_HIGHEST - 1);
int sender_tid;
// Message buffer large enough to hold the largest message request
char message_buffer[32];
while (1) {
Receive(&sender_tid, message_buffer, sizeof(message_buffer));
if (sender_tid == switch_courier_tid) {
// This is an update from the switch server, record the switch that changed
// so that our cached table of switches is in sync
int reply = 0;
Reply(sender_tid, (char*)&reply, sizeof(reply));
struct switch_report* report = (struct switch_report*)message_buffer;
switch_table[(int)report->sw] = report->direction;
} else {
// API requests to the track_server
struct track_reply_message reply = {-1, -1};
int op = *(int*)message_buffer;
switch(op) {
// Handle track reservation requests
case TRACK_OP_RESERVATION: {
int reply = -1;
struct reservation_request_message* reservation_msg = (struct reservation_request_message*)message_buffer;
// Make the location be a sensor and positive offset that fits in the edge
if (normalize_location(track, switch_table, &reservation_msg->position) != -1) {
// Check if we can reserve this space for the train
int status = reservation_verify(reservation_msg->train, &(reservation_msg->position), reservation_msg->length, reservation_msg->branch_safety);
reply = status;
if (status == 0) {
// We succeeded. Reserve the track
// Find the train's reservation_node
struct reservation_node* train_r = get_reservation(train_reservations, reservation_msg->train);
if (train_r != 0) {
clear_train_reservations(train_r);
// Add new reservation
reservation_insert(train_r,
&(reservation_msg->position),
reservation_msg->length,
reservation_msg->branch_safety);
}
} else if (status == -2) {
// Reached max reservation
}
} else {
Printf("Could not normalize\r");
}
Reply(sender_tid, (char*)&reply, sizeof(reply));
} break;
case TRACK_OP_RESERVATION_STRING: {
struct reservation_request_message* reservation_msg = (struct reservation_request_message*)message_buffer;
struct reservation_node* train_r = get_reservation(train_reservations, reservation_msg->train);
char buf[300];
*buf = 0; // null termination character
int len = 0;
if (train_r != 0) {
len = reservation_print(train_r, buf);
}
Reply(sender_tid, (char*)buf, len); // +1 for null termination char
} break;
case TRACK_OP_NODE_IS_RESERVED: {
struct reservation_request_message* reservation_msg = (struct reservation_request_message*)message_buffer;
int reserved = node_is_reserved(reservation_msg->train, reservation_msg->position.node);
Reply(sender_tid, (char*)&reserved, sizeof(reserved));
} break;
// Handle requests for calculating the distance between 2 nodes
case TRACK_OP_TRACK_DISTANCE: {
struct track_request_message* track_msg = (struct track_request_message*)message_buffer;
if (track_msg->node1 < TRACK_MAX && track_msg->node2 < TRACK_MAX) {
reply.distance = dist_between_nodes(track_msg->node1, track_msg->node2);
}
Reply(sender_tid, (char*)&reply, sizeof(reply));
} break;
case TRACK_OP_TRACK_DISTANCE_UNTIL_GOAL: {
struct track_request_message* track_msg = (struct track_request_message*)message_buffer;
int distance = 0;
if (track_msg->node1 < TRACK_MAX && track_msg->node2 < TRACK_MAX) {
distance = dist_until_goal(track_msg->node1, track_msg->offset1, track_msg->node2, track_msg->offset2, track_msg->distance);
}
Reply(sender_tid, (char*)&distance, sizeof(distance));
} break;
// Handle requests for getting the next sensor on the track
case TRACK_OP_TRACK_NEXT_SENSOR: {
struct track_request_message* track_msg = (struct track_request_message*)message_buffer;
if (track_msg->node1 >= A1 && track_msg->node1 <= E16) {
int distance;
int next_sensor = next_sensor_node(track_msg->node1, track_msg->node2, &distance);
reply.node = next_sensor;
reply.distance = distance;
}
Reply(sender_tid, (char*)&reply, sizeof(reply));
} break;
case TRACK_OP_NORMALIZE: {
struct track_request_message *msg = (struct track_request_message*)message_buffer;
struct location loc;
loc.node = msg->node1;
loc.offset = msg->offset1;
if (normalize_location(track, switch_table, &loc) == -1) {
Reply(sender_tid, (char*)&loc, 0); // reply size 0 means error!
}
Reply(sender_tid, (char*)&loc, sizeof(loc));
} break;
// Handle requests for getting the reverse node of a given node
case TRACK_OP_TRACK_REVERSE_NODE: {
struct track_request_message* track_msg = (struct track_request_message*)message_buffer;
if (track_msg->node1 < TRACK_MAX) {
reply.node = track[track_msg->node1].reverse->num;
}
Reply(sender_tid, (char*)&reply, sizeof(reply));
} break;
case TRACK_OP_ROUTE: {
struct track_request_message* track_msg = (struct track_request_message*)message_buffer;
int train = track_msg->train;
int start_node_num = track_msg->node1;
int end_node_num = track_msg->node2;
short path[TRACK_MAX];
int num_nodes = 0;
if (IS_SENSOR(start_node_num) && IS_SENSOR(end_node_num)) {
struct track_node *start_node = &track[start_node_num];
struct track_node *end_node = &track[end_node_num];
mark_path(train, track, start_node, end_node);
if (end_node->routing_info.visited == 1) {
// we have a path!
// store all nodes, from bottom up
struct track_node *cur_node = end_node;
struct location loc;
while (cur_node->routing_info.previous != 0 && cur_node != start_node) {
node_to_location(cur_node, &loc);
path[num_nodes] = loc.node;
num_nodes++;
if (cur_node->routing_info.previous == cur_node->reverse) {
// the next node is the reverse of this node, so we squeeze in a "REVERSE" in the path
path[num_nodes] = -99; // magic number for REVERSE commands
num_nodes++;
}
cur_node = cur_node->routing_info.previous;
}
// we didn't store the beginning node in our path, so we should do that now
if (cur_node == start_node) {
node_to_location(start_node, &loc);
path[num_nodes] = loc.node;
num_nodes++;
}
} else {
Printf("Could not find route! num_nodes = %d\r", num_nodes);
}
}
Reply(sender_tid, (char*)path, sizeof(short) * num_nodes);
} break;
case TRACK_OP_SWITCH_DIRECTION: {
struct track_request_message* track_msg = (struct track_request_message*)message_buffer;
int switch_node = track_msg->node1;
int next_node = track_msg->node2;
AssertF(track[switch_node].type == NODE_BRANCH, "TrackSwitchDirection not given a switch node! Given node num %d, type %d", track[switch_node].num, track[switch_node].type);
int reserved = node_is_reserved(track_msg->train, switch_node);
if (reserved) {
// Printf("Attempting to switch %s if reserved .. \r", track[switch_node].name);
int direction = -1;
if (track[switch_node].edge[DIR_CURVED].dest == &(track[next_node])) {
direction = SWITCH_CURVED;
} else {
direction = SWITCH_STRAIGHT;
}
SwitchSetDirection(track[switch_node].num, direction, WhoIs(SWITCH_SERVER));
switch_table[track[switch_node].num] = direction;
}
Reply(sender_tid, (char*)&reserved, sizeof(reserved));
} break;
default:
AssertF(0, "Invalid message %d to the track server from %d", op, sender_tid);
Reply(sender_tid, (char*)&reply, sizeof(reply));
break;
}
}
}
Assert("Track server is quitting");
Exit();
}
