src/interfaces/localed/localed.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 <glib.h>
  21 #include <gio/gio.h>
  22
  23 #include "localed.h"
  24 #include "localed-gen.c"
  25
  26 GPtrArray *localed_freeable;
  27 GDBusNodeInfo *spect_data;
  28 localedLocale1 *localed_interf;
  29
  30 /* begin method/property/signal code */
  31
  32 /* TODO make sure these guys only work if called by root */
  33
  34 /* Example:
  35 static gboolean
  36 on_handle_set_hostname(localedLocale1 *hn1_passed_interf,
  37                        GDBusMethodInvocation *invoc,
  38                        const gchar *greet,
  39                        gpointer data) {
  40     return FALSE;
  41 } */
  42
  43 /* note: all localed/locale1's properties are read-only,
  44  * and do not need set_ functions, gdbus-codegen realized
  45  * this from the XML and handled the to-be error of trying
  46  * to set a read-only property's value
  47  */
  48
  49 /* Example:
  50
  51 const gchar *
  52 our_get_hostname() {
  53
  54     return "TODO";
  55 }*/
  56
  57 /* end method/property/signal code, begin bus/name handlers */
  58
  59 static void localed_on_bus_acquired(GDBusConnection *conn,
  60                             const gchar *name,
  61                             gpointer user_data) {
  62
  63     g_print("got bus, name: %s\n", name);
  64
  65 }
  66
  67 static void localed_on_name_acquired(GDBusConnection *conn,
  68                              const gchar *name,
  69                              gpointer user_data) {
  70
  71     g_print("got '%s' on system bus\n", name);
  72
  73     localed_interf = localed_locale1_skeleton_new();
  74
  75     /* attach function pointers to generated struct's method handlers */
  76     /*g_signal_connect(localed_interf, "handle-set-hostname", G_CALLBACK(on_handle_set_hostname), NULL);
  77     g_signal_connect(localed_interf, "handle-set-static-hostname", G_CALLBACK(on_handle_set_static_hostname), NULL);
  78     g_signal_connect(localed_interf, "handle-set-pretty-hostname", G_CALLBACK(on_handle_set_pretty_hostname), NULL);
  79     g_signal_connect(localed_interf, "handle-set-chassis", G_CALLBACK(on_handle_set_chassis), NULL);
  80     g_signal_connect(localed_interf, "handle-set-icon-name", G_CALLBACK(on_handle_set_icon_name), NULL); */
  81
  82     /* set our properties before export */
  83     /*localed_locale1_set_hostname(localed_interf, our_get_hostname());
  84     localed_locale1_set_static_hostname(localed_interf, our_get_static_hostname());
  85     localed_locale1_set_pretty_hostname(localed_interf, our_get_pretty_hostname());
  86     localed_locale1_set_chassis(localed_interf, our_get_chassis());
  87     localed_locale1_set_icon_name(localed_interf, our_get_icon_name());
  88     localed_locale1_set_kernel_name(localed_interf, our_get_kernel_name());
  89     localed_locale1_set_kernel_version(localed_interf, our_get_kernel_version());
  90     localed_locale1_set_kernel_release(localed_interf, our_get_kernel_release());
  91     localed_locale1_set_operating_system_cpename(localed_interf, our_get_os_cpename());
  92     localed_locale1_set_operating_system_pretty_name(localed_interf, our_get_os_pretty_name()); */
  93
  94     if(!g_dbus_interface_skeleton_export(G_DBUS_INTERFACE_SKELETON(localed_interf),
  95                                                                    conn,
  96                                                                    "/org/freedesktop/locale1",
  97                                                                    NULL)) {
  98
  99         g_printf("failed to export locale1's interface on system bus!");
 100     }
 101
 102 }
 103
 104 static void localed_on_name_lost(GDBusConnection *conn,
 105                          const gchar *name,
 106                          gpointer user_data) {
 107
 108     g_print("lost name %s, exiting...", name);
 109
 110     localed_mem_clean();
 111     g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(localed_interf));
 112
 113     /* TODO exit through g_main_loop properly... */
 114 }
 115
 116 /* safe call to try and start localed */
 117 GError *localed_init() {
 118
 119     guint bus_descriptor;
 120     GError *err = NULL;
 121     gchar **localed_ispect_xml;
 122     gchar  *localed_joined_xml;
 123
 124     localed_freeable = g_ptr_array_new();
 125     localed_ispect_xml = g_malloc(3000);
 126
 127     g_file_get_contents("conf/localed-ispect.xml", localed_ispect_xml, NULL, NULL);
 128     localed_joined_xml = g_strjoinv("\n", localed_ispect_xml);
 129     spect_data = g_dbus_node_info_new_for_xml(localed_joined_xml, NULL);
 130
 131     g_free(localed_ispect_xml);
 132     g_ptr_array_add(localed_freeable, localed_joined_xml);
 133
 134     bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
 135                                     "org.freedesktop.locale1",
 136                                     G_BUS_NAME_OWNER_FLAGS_NONE,
 137                                     localed_on_bus_acquired,
 138                                     localed_on_name_acquired,
 139                                     localed_on_name_lost,
 140                                     NULL,
 141                                     NULL);
 142
 143     /* TODO: malloc and return reference as if a main() closed */
 144     return err;
 145 }
 146
 147 /* free()'s */
 148 void localed_mem_clean() {
 149
 150     g_ptr_array_foreach(localed_freeable, (GFunc) g_free, NULL);
 151 }
 152
 153 /* TODO figure out DMI variables on obsd */
 154 /*static gchar *guess_icon_name() {
 155
 156     gchar *filebuf = NULL;
 157     gchar *ret = NULL;
 158
 159     #if defined(__i386__) || defined(__x86_64__)
 160
 161        Taken with a few minor changes from systemd's localed.c,
 162        copyright 2011 Lennart Poettering.
 163
 164        See the SMBIOS Specification 2.7.1 section 7.4.1 for
 165        details about the values listed here:
 166
 167        http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
 168
 169
 170     if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
 171         switch (g_ascii_strtoull (filebuf, NULL, 10)) {
 172         case 0x3:
 173         case 0x4:
 174         case 0x5:
 175         case 0x6:
 176         case 0x7:
 177             ret = g_strdup ("computer-desktop");
 178             goto out;
 179         case 0x9:
 180         case 0xA:
 181         case 0xE:
 182             ret = g_strdup ("computer-laptop");
 183             goto out;
 184         case 0x11:
 185         case 0x17:
 186         case 0x1C:
 187         case 0x1D:
 188             ret = g_strdup ("computer-server");
 189             goto out;
 190         }
 191     }
 192     #endif
 193     ret = g_strdup ("computer");
 194   out:
 195     g_free (filebuf);
 196     return ret;
 197 }*/