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/* $Id$ */
#include <sys/types.h>
#include <stdio.h>
#include "gpsd_config.h"
#ifdef DBUS_ENABLE
#include <gpsd_dbus.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");
/* add the interesting information to the message */
dbus_message_append_args (message,
DBUS_TYPE_DOUBLE, &(gpsfix->time),
DBUS_TYPE_INT32, &(gpsfix->mode),
DBUS_TYPE_DOUBLE, &(gpsfix->ept),
DBUS_TYPE_DOUBLE, &(gpsfix->latitude),
DBUS_TYPE_DOUBLE, &(gpsfix->longitude),
DBUS_TYPE_DOUBLE, &(gpsfix->eph),
DBUS_TYPE_DOUBLE, &(gpsfix->altitude),
DBUS_TYPE_DOUBLE, &(gpsfix->epv),
DBUS_TYPE_DOUBLE, &(gpsfix->track),
DBUS_TYPE_DOUBLE, &(gpsfix->epd),
DBUS_TYPE_DOUBLE, &(gpsfix->speed),
DBUS_TYPE_DOUBLE, &(gpsfix->eps),
DBUS_TYPE_DOUBLE, &(gpsfix->climb),
DBUS_TYPE_DOUBLE, &(gpsfix->epc),
DBUS_TYPE_INVALID);
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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