1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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2 | * |
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3 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
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4 | * |
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5 | * This program is free software; you can redistribute it and/or |
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6 | * modify it under the terms of the GNU General Public License as |
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7 | * published by the Free Software Foundation; either version 2 of the |
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8 | * License, or (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, but |
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11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 | * General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU General Public License |
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16 | * along with this program; if not, write to the Free Software |
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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18 | * 02111-1307, USA. |
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19 | * |
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20 | */ |
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21 | |
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22 | #include "config.h" |
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23 | |
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24 | #include <stdlib.h> |
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25 | #include <stdio.h> |
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26 | #include <sys/types.h> |
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27 | #include <string.h> |
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28 | #include <errno.h> |
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29 | |
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30 | #include <locale.h> |
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31 | |
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32 | #include <glib.h> |
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33 | |
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34 | #define DBUS_API_SUBJECT_TO_CHANGE |
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35 | #include <dbus/dbus-glib.h> |
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36 | #include <dbus/dbus-glib-lowlevel.h> |
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37 | |
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38 | #include "gdm-settings.h" |
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39 | |
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40 | #define GDM_DBUS_NAME "org.gnome.DisplayManager" |
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41 | |
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42 | static GdmSettings *settings = NULL; |
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43 | |
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44 | static gboolean |
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45 | acquire_name_on_proxy (DBusGProxy *bus_proxy) |
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46 | { |
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47 | GError *error; |
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48 | guint result; |
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49 | gboolean res; |
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50 | gboolean ret; |
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51 | |
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52 | ret = FALSE; |
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53 | |
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54 | if (bus_proxy == NULL) { |
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55 | goto out; |
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56 | } |
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57 | |
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58 | error = NULL; |
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59 | res = dbus_g_proxy_call (bus_proxy, |
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60 | "RequestName", |
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61 | &error, |
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62 | G_TYPE_STRING, GDM_DBUS_NAME, |
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63 | G_TYPE_UINT, 0, |
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64 | G_TYPE_INVALID, |
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65 | G_TYPE_UINT, &result, |
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66 | G_TYPE_INVALID); |
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67 | if (! res) { |
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68 | if (error != NULL) { |
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69 | g_warning ("Failed to acquire %s: %s", GDM_DBUS_NAME, error->message); |
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70 | g_error_free (error); |
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71 | } else { |
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72 | g_warning ("Failed to acquire %s", GDM_DBUS_NAME); |
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73 | } |
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74 | goto out; |
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75 | } |
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76 | |
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77 | if (result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { |
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78 | if (error != NULL) { |
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79 | g_warning ("Failed to acquire %s: %s", GDM_DBUS_NAME, error->message); |
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80 | g_error_free (error); |
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81 | } else { |
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82 | g_warning ("Failed to acquire %s", GDM_DBUS_NAME); |
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83 | } |
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84 | goto out; |
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85 | } |
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86 | |
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87 | ret = TRUE; |
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88 | |
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89 | out: |
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90 | return ret; |
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91 | } |
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92 | |
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93 | static DBusGProxy * |
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94 | get_bus_proxy (DBusGConnection *connection) |
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95 | { |
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96 | DBusGProxy *bus_proxy; |
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97 | |
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98 | bus_proxy = dbus_g_proxy_new_for_name (connection, |
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99 | DBUS_SERVICE_DBUS, |
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100 | DBUS_PATH_DBUS, |
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101 | DBUS_INTERFACE_DBUS); |
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102 | return bus_proxy; |
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103 | } |
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104 | |
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105 | static DBusGConnection * |
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106 | get_system_bus (void) |
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107 | { |
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108 | GError *error; |
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109 | DBusGConnection *bus; |
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110 | DBusConnection *connection; |
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111 | |
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112 | error = NULL; |
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113 | bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error); |
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114 | if (bus == NULL) { |
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115 | g_warning ("Couldn't connect to system bus: %s", |
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116 | error->message); |
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117 | g_error_free (error); |
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118 | goto out; |
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119 | } |
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120 | |
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121 | connection = dbus_g_connection_get_connection (bus); |
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122 | dbus_connection_set_exit_on_disconnect (connection, FALSE); |
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123 | |
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124 | out: |
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125 | return bus; |
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126 | } |
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127 | |
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128 | int |
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129 | main (int argc, char **argv) |
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130 | { |
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131 | GMainLoop *main_loop; |
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132 | DBusGConnection *connection; |
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133 | DBusGProxy *bus_proxy; |
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134 | |
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135 | g_type_init (); |
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136 | |
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137 | connection = get_system_bus (); |
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138 | if (connection == NULL) { |
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139 | goto out; |
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140 | } |
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141 | |
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142 | bus_proxy = get_bus_proxy (connection); |
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143 | if (bus_proxy == NULL) { |
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144 | g_warning ("Could not construct bus_proxy object; bailing out"); |
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145 | goto out; |
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146 | } |
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147 | |
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148 | if (! acquire_name_on_proxy (bus_proxy) ) { |
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149 | g_warning ("Could not acquire name; bailing out"); |
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150 | goto out; |
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151 | } |
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152 | |
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153 | settings = gdm_settings_new (); |
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154 | if (settings == NULL) { |
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155 | g_warning ("Unable to initialize settings"); |
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156 | exit (1); |
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157 | } |
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158 | |
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159 | main_loop = g_main_loop_new (NULL, FALSE); |
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160 | g_main_loop_run (main_loop); |
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161 | |
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162 | g_main_loop_unref (main_loop); |
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163 | |
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164 | g_object_unref (settings); |
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165 | |
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166 | out: |
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167 | return 0; |
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168 | } |
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