src/interfaces/timedated/timedated.c

   1 /*
   2  * Copyright (c) 2014 Ian Sutton <ian@kremlin.cc>
   3  *
   4  * Permission to use, copy, modify, and distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <unistd.h>
  18 #include <limits.h>
  19
  20 #include <sys/param.h>
  21 #include <string.h>
  22
  23 #include <glib/gprintf.h>
  24 #include <glib-unix.h>
  25
  26 #include "timedated-gen.h"
  27
  28 GPtrArray *timedated_freeable;
  29 Timedate1 *timedated_interf;
  30
  31 /* --- begin method/property/signal code --- */
  32
  33 /*static gboolean
  34 on_handle_set_hostname(Timedate1 *hn1_passed_interf,
  35                        GDBusMethodInvocation *invoc,
  36                        const gchar *greet,
  37                        gpointer data) {
  38     return FALSE;
  39 }*/
  40
  41 /*const gchar *
  42 our_get_hostname() {
  43
  44         gchar *hostname_buf, *ret;
  45         size_t hostname_divider;
  46
  47         hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
  48         ret          = (gchar*) g_malloc0(MAXHOSTNAMELEN);
  49         g_ptr_array_add(timedated_freeable, hostname_buf);
  50         g_ptr_array_add(timedated_freeable, ret);
  51
  52         if(gethostname(hostname_buf, MAXHOSTNAMELEN))
  53                 return "";
  54
  55         hostname_divider = strcspn(hostname_buf, ".");
  56
  57         return strncpy(ret, hostname_buf, hostname_divider);
  58 }*/
  59
  60 /* --- end method/property/signal code, begin bus/name handlers --- */
  61
  62 static void timedated_on_bus_acquired(GDBusConnection *conn,
  63                                       const gchar *name,
  64                                       gpointer user_data) {
  65
  66     g_print("got bus, name: %s\n", name);
  67
  68 }
  69
  70 static void timedated_on_name_acquired(GDBusConnection *conn,
  71                                            const gchar *name,
  72                                        gpointer user_data) {
  73
  74     g_print("got '%s' on system bus\n", name);
  75
  76     timedated_interf = timedate1_skeleton_new();
  77
  78     /* attach function pointers to generated struct's method handlers
  79     g_signal_connect(timedated_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL);*/
  80
  81     /* set our properties before export
  82     timedate1_set_hostname(timedated_interf, our_get_hostname()); */
  83
  84     if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(timedated_interf),
  85                                          conn,
  86                                          "/org/freedesktop/timedate1",
  87                                          NULL)) {
  88
  89         g_printf("Failed to export Timedate1's interface!");
  90     }
  91
  92 }
  93
  94 /* --- end bus/name handlers, begin misc functions --- */
  95
  96 /* free()'s */
  97 void timedated_mem_clean() {
  98
  99     g_ptr_array_foreach(timedated_freeable, (GFunc) g_free, NULL);
 100         g_ptr_array_free(timedated_freeable, TRUE);
 101 }
 102
 103 static void timedated_on_name_lost(GDBusConnection *conn,
 104                                    const gchar *name,
 105                                    gpointer user_data) {
 106
 107     g_print("lost name %s, exiting...", name);
 108
 109     timedated_mem_clean();
 110     g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(timedated_interf));
 111
 112 }
 113
 114 int main() {
 115
 116         guint bus_descriptor;
 117         GMainLoop *timedated_loop;
 118
 119         timedated_loop = g_main_loop_new(NULL, TRUE);
 120         timedated_freeable = g_ptr_array_new();
 121
 122          bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
 123                                     "org.freedesktop.timedate1",
 124                                     G_BUS_NAME_OWNER_FLAGS_NONE,
 125                                     timedated_on_bus_acquired,
 126                                     timedated_on_name_acquired,
 127                                     timedated_on_name_lost,
 128                                     NULL,
 129                                     NULL);
 130
 131         g_main_loop_run(timedated_loop);
 132         g_main_loop_unref(timedated_loop);
 133
 134         g_bus_unown_name(bus_descriptor);
 135
 136         timedated_mem_clean();
 137
 138         return 0;
 139 }