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#include <config.h>
#ifdef DBUS_ENABLE
#include <gpsd_dbus.h>
#include <stdio.h>
static DBusConnection* connection = NULL;
/*
* Does what is required to initialize the dbus connection
* This is pretty basic at this point, as we don't receive commands via dbus.
* Returns 0 when everything is OK.
*/
int initialize_dbus_connection(void) {
DBusError error;
dbus_error_init(&error);
connection = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
if (connection == NULL) {
/* report error */
return 1;
}
return 0;
}
void send_dbus_fix(struct gps_device_t* channel) {
/* sends the current fix data for this channel via dbus */
struct gps_data_t* gpsdata;
struct gps_fix_t* gpsfix;
DBusMessage* message;
DBusMessageIter iter;
dbus_uint32_t serial; /* collected, but not used */
/* if the connection is non existent, return without doing anything */
if (connection == NULL) return;
gpsdata = &(channel->gpsdata);
gpsfix = &(gpsdata->fix);
message = dbus_message_new_signal(
"/org/gpsd",
"org.gpsd",
"fix");
dbus_message_iter_init(message, &iter);
/* add the interesting information to the message */
dbus_message_iter_append_double(&iter, gpsfix->time);
dbus_message_iter_append_int32(&iter, gpsfix->mode);
dbus_message_iter_append_double(&iter, gpsfix->ept);
dbus_message_iter_append_double(&iter, gpsfix->latitude);
dbus_message_iter_append_double(&iter, gpsfix->longitude);
dbus_message_iter_append_double(&iter, gpsfix->eph);
dbus_message_iter_append_double(&iter, gpsfix->altitude);
dbus_message_iter_append_double(&iter, gpsfix->epv);
dbus_message_iter_append_double(&iter, gpsfix->track);
dbus_message_iter_append_double(&iter, gpsfix->epd);
dbus_message_iter_append_double(&iter, gpsfix->speed);
dbus_message_iter_append_double(&iter, gpsfix->eps);
dbus_message_iter_append_double(&iter, gpsfix->climb);
dbus_message_iter_append_double(&iter, gpsfix->epc);
dbus_message_set_no_reply(message, TRUE);
/* message is complete time to send it */
dbus_connection_send(connection, message, &serial);
dbus_message_unref(message);
}
#endif /* DBUS_ENABLE */
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