1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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2 | * |
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3 | * This program is free software; you can redistribute it and/or |
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4 | * modify it under the terms of the GNU General Public License as |
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5 | * published by the Free Software Foundation; either version 2 of the |
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6 | * License, or (at your option) any later version. |
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7 | * |
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8 | * This program is distributed in the hope that it will be useful, but |
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9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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11 | * General Public License for more details. |
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12 | * |
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13 | * You should have received a copy of the GNU General Public License |
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14 | * along with this program; if not, write to the Free Software |
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15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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16 | * 02111-1307, USA. |
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17 | * |
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18 | * cc -o test-hal-seats `pkg-config --cflags --libs glib-2.0 dbus-glib-1` test-hal-seats.c |
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19 | */ |
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20 | |
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21 | #include <stdlib.h> |
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22 | #include <stdio.h> |
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23 | |
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24 | #include <glib.h> |
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25 | #define DBUS_API_SUBJECT_TO_CHANGE |
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26 | #include <dbus/dbus-glib.h> |
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27 | #include <dbus/dbus-glib-lowlevel.h> |
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28 | |
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29 | #define HAL_DBUS_NAME "org.freedesktop.Hal" |
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30 | #define HAL_DBUS_MANAGER_PATH "/org/freedesktop/Hal/Manager" |
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31 | #define HAL_DBUS_MANAGER_INTERFACE "org.freedesktop.Hal.Manager" |
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32 | #define HAL_DBUS_DEVICE_INTERFACE "org.freedesktop.Hal.Device" |
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33 | #define SEAT_PCI_DEVICE_CLASS 3 |
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34 | |
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35 | static GMainLoop *loop; |
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36 | |
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37 | static void |
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38 | get_pci_seats (DBusGConnection *bus, |
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39 | DBusGProxy *proxy, |
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40 | GList *seats) |
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41 | { |
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42 | char **devices; |
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43 | const char *key; |
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44 | const char *value; |
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45 | GError *error; |
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46 | gboolean res; |
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47 | int i; |
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48 | |
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49 | g_message ("Getting PCI seats"); |
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50 | |
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51 | key = "info.bus"; |
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52 | value = "pci"; |
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53 | |
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54 | devices = NULL; |
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55 | error = NULL; |
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56 | res = dbus_g_proxy_call (proxy, |
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57 | "FindDeviceStringMatch", |
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58 | &error, |
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59 | G_TYPE_STRING, key, |
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60 | G_TYPE_STRING, value, |
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61 | G_TYPE_INVALID, |
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62 | G_TYPE_STRV, &devices, |
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63 | G_TYPE_INVALID); |
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64 | if (! res) { |
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65 | g_warning ("Unable to query HAL: %s", error->message); |
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66 | g_error_free (error); |
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67 | } |
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68 | |
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69 | /* now look for pci class 3 */ |
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70 | key = "pci.device_class"; |
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71 | for (i = 0; devices [i] != NULL; i++) { |
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72 | DBusGProxy *device_proxy; |
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73 | int class_val; |
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74 | |
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75 | device_proxy = dbus_g_proxy_new_for_name (bus, |
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76 | HAL_DBUS_NAME, |
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77 | devices [i], |
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78 | HAL_DBUS_DEVICE_INTERFACE); |
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79 | if (device_proxy == NULL) { |
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80 | continue; |
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81 | } |
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82 | |
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83 | error = NULL; |
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84 | res = dbus_g_proxy_call (device_proxy, |
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85 | "GetPropertyInteger", |
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86 | &error, |
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87 | G_TYPE_STRING, key, |
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88 | G_TYPE_INVALID, |
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89 | G_TYPE_INT, &class_val, |
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90 | G_TYPE_INVALID); |
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91 | if (! res) { |
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92 | g_warning ("Unable to query HAL: %s", error->message); |
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93 | g_error_free (error); |
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94 | } |
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95 | |
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96 | if (class_val == SEAT_PCI_DEVICE_CLASS) { |
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97 | g_message ("Found device: %s", devices [i]); |
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98 | seats = g_list_prepend (seats, devices [i]); |
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99 | } |
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100 | |
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101 | g_object_unref (device_proxy); |
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102 | } |
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103 | |
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104 | g_strfreev (devices); |
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105 | } |
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106 | |
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107 | static void |
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108 | list_seats (GList *seats) |
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109 | { |
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110 | GList *l; |
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111 | for (l = seats; l != NULL; l = l->next) { |
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112 | g_message ("Found device: %s", (char *)l->data); |
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113 | } |
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114 | } |
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115 | |
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116 | static gboolean |
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117 | test_hal_seats (void) |
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118 | { |
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119 | GError *error; |
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120 | DBusGConnection *bus; |
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121 | DBusGProxy *proxy; |
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122 | GList *seats; |
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123 | |
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124 | proxy = NULL; |
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125 | |
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126 | error = NULL; |
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127 | bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error); |
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128 | if (bus == NULL) { |
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129 | g_warning ("Couldn't connect to system bus: %s", |
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130 | error->message); |
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131 | g_error_free (error); |
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132 | goto out; |
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133 | } |
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134 | |
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135 | proxy = dbus_g_proxy_new_for_name (bus, |
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136 | HAL_DBUS_NAME, |
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137 | HAL_DBUS_MANAGER_PATH, |
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138 | HAL_DBUS_MANAGER_INTERFACE); |
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139 | if (proxy == NULL) { |
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140 | g_warning ("Couldn't create proxy for HAL Manager"); |
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141 | goto out; |
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142 | } |
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143 | |
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144 | seats = NULL; |
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145 | |
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146 | get_pci_seats (bus, proxy, seats); |
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147 | |
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148 | list_seats (seats); |
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149 | |
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150 | out: |
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151 | if (proxy != NULL) { |
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152 | g_object_unref (proxy); |
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153 | } |
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154 | |
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155 | return FALSE; |
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156 | } |
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157 | |
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158 | int |
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159 | main (int argc, |
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160 | char *argv[]) |
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161 | { |
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162 | g_log_set_always_fatal (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING); |
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163 | |
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164 | g_type_init (); |
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165 | |
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166 | g_idle_add ((GSourceFunc)test_hal_seats, NULL); |
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167 | |
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168 | loop = g_main_loop_new (NULL, FALSE); |
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169 | g_main_loop_run (loop); |
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170 | g_main_loop_unref (loop); |
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171 | |
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172 | return 0; |
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173 | } |
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