/usr/share/doc/libgeoclue-dev/examples/position-async-example.c is in libgeoclue-dev 0.12.99-4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | /*
* Geoclue
* position-example.c - Example using the Position client API
* (asynchronous method call)
*
* Author: Jussi Kukkonen <jku@openedhand.com>
* Copyright 2008 by Garmin Ltd. or its subsidiaries
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
/* NOTE: provider options are not used in this example */
#include <glib.h>
#include <geoclue/geoclue-position.h>
static void
position_callback (GeocluePosition *pos,
GeocluePositionFields fields,
int timestamp,
double latitude,
double longitude,
double altitude,
GeoclueAccuracy *accuracy,
GError *error,
gpointer userdata)
{
if (error) {
g_printerr ("Error getting position: %s\n", error->message);
g_error_free (error);
} else {
if (fields & GEOCLUE_POSITION_FIELDS_LATITUDE &&
fields & GEOCLUE_POSITION_FIELDS_LONGITUDE) {
GeoclueAccuracyLevel level;
geoclue_accuracy_get_details (accuracy, &level, NULL, NULL);
g_print ("Current position (accuracy %d):\n", level);
g_print ("\t%f, %f\n", latitude, longitude);
} else {
g_print ("Current position not available.\n");
}
}
g_main_loop_quit ((GMainLoop *)userdata);
}
int main (int argc, char** argv)
{
gchar *service, *path;
GMainLoop *mainloop;
GeocluePosition *pos = NULL;
if (argc < 2 || argc % 2 != 0) {
g_printerr ("Usage:\n position-example <provider_name>");
return 1;
}
g_type_init();
mainloop = g_main_loop_new (NULL, FALSE);
g_print ("Using provider '%s'\n", argv[1]);
service = g_strdup_printf ("org.freedesktop.Geoclue.Providers.%s", argv[1]);
path = g_strdup_printf ("/org/freedesktop/Geoclue/Providers/%s", argv[1]);
pos = geoclue_position_new (service, path);
g_free (service);
g_free (path);
if (pos == NULL) {
g_printerr ("Error while creating GeocluePosition object.\n");
return 1;
}
geoclue_position_get_position_async (pos,
(GeocluePositionCallback) position_callback,
mainloop);
g_print ("Asynchronous call made, going to main loop now...\n");
g_main_loop_run (mainloop);
g_main_loop_unref (mainloop);
g_object_unref (pos);
return 0;
}
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