config/config.c

   1 /*
   2  * Copyright © 2006-2007 Daniel Stone
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Author: Daniel Stone <daniel@fooishbar.org>
  24  */
  25
  26 #ifdef HAVE_DIX_CONFIG_H
  27 #include <dix-config.h>
  28 #endif
  29
  30 #include "os.h"
  31 #include "inputstr.h"
  32 #include "hotplug.h"
  33 #include "config-backends.h"
  34
  35 void
  36 config_pre_init(void)
  37 {
  38 #ifdef CONFIG_UDEV
  39     if (!config_udev_pre_init())
  40         ErrorF("[config] failed to pre-init udev\n");
  41 #endif
  42 }
  43
  44 void
  45 config_init(void)
  46 {
  47 #ifdef CONFIG_UDEV
  48     if (!config_udev_init())
  49         ErrorF("[config] failed to initialise udev\n");
  50 #elif defined(CONFIG_NEED_DBUS)
  51     if (config_dbus_core_init()) {
  52 #ifdef CONFIG_DBUS_API
  53         if (!config_dbus_init())
  54             ErrorF("[config] failed to initialise D-Bus API\n");
  55 #endif
  56 #ifdef CONFIG_HAL
  57         if (!config_hal_init())
  58             ErrorF("[config] failed to initialise HAL\n");
  59 #endif
  60     }
  61     else {
  62         ErrorF("[config] failed to initialise D-Bus core\n");
  63     }
  64 #elif defined(CONFIG_WSCONS)
  65     if (!config_wscons_init())
  66         ErrorF("[config] failed to initialise wscons\n");
  67 #endif
  68 }
  69
  70 void
  71 config_fini(void)
  72 {
  73 #if defined(CONFIG_UDEV)
  74     config_udev_fini();
  75 #elif defined(CONFIG_NEED_DBUS)
  76 #ifdef CONFIG_HAL
  77     config_hal_fini();
  78 #endif
  79 #ifdef CONFIG_DBUS_API
  80     config_dbus_fini();
  81 #endif
  82     config_dbus_core_fini();
  83 #elif defined(CONFIG_WSCONS)
  84     config_wscons_fini();
  85 #endif
  86 }
  87
  88 void
  89 config_odev_probe(config_odev_probe_proc_ptr probe_callback)
  90 {
  91 #if defined(CONFIG_UDEV_KMS)
  92     config_udev_odev_probe(probe_callback);
  93 #endif
  94 }
  95
  96 static void
  97 remove_device(const char *backend, DeviceIntPtr dev)
  98 {
  99     /* this only gets called for devices that have already been added */
 100     LogMessage(X_INFO, "config/%s: removing device %s\n", backend, dev->name);
 101
 102     /* Call PIE here so we don't try to dereference a device that's
 103      * already been removed. */
 104     OsBlockSignals();
 105     ProcessInputEvents();
 106     DeleteInputDeviceRequest(dev);
 107     OsReleaseSignals();
 108 }
 109
 110 void
 111 remove_devices(const char *backend, const char *config_info)
 112 {
 113     DeviceIntPtr dev, next;
 114
 115     for (dev = inputInfo.devices; dev; dev = next) {
 116         next = dev->next;
 117         if (dev->config_info && strcmp(dev->config_info, config_info) == 0)
 118             remove_device(backend, dev);
 119     }
 120     for (dev = inputInfo.off_devices; dev; dev = next) {
 121         next = dev->next;
 122         if (dev->config_info && strcmp(dev->config_info, config_info) == 0)
 123             remove_device(backend, dev);
 124     }
 125 }
 126
 127 BOOL
 128 device_is_duplicate(const char *config_info)
 129 {
 130     DeviceIntPtr dev;
 131
 132     for (dev = inputInfo.devices; dev; dev = dev->next) {
 133         if (dev->config_info && (strcmp(dev->config_info, config_info) == 0))
 134             return TRUE;
 135     }
 136
 137     for (dev = inputInfo.off_devices; dev; dev = dev->next) {
 138         if (dev->config_info && (strcmp(dev->config_info, config_info) == 0))
 139             return TRUE;
 140     }
 141
 142     return FALSE;
 143 }
 144
 145 struct OdevAttributes *
 146 config_odev_allocate_attribute_list(void)
 147 {
 148     struct OdevAttributes *attriblist;
 149
 150     attriblist = malloc(sizeof(struct OdevAttributes));
 151     if (!attriblist)
 152         return NULL;
 153
 154     xorg_list_init(&attriblist->list);
 155     return attriblist;
 156 }
 157
 158 void
 159 config_odev_free_attribute_list(struct OdevAttributes *attribs)
 160 {
 161     config_odev_free_attributes(attribs);
 162     free(attribs);
 163 }
 164
 165 Bool
 166 config_odev_add_attribute(struct OdevAttributes *attribs, int attrib,
 167                           const char *attrib_name)
 168 {
 169     struct OdevAttribute *oa;
 170
 171     oa = malloc(sizeof(struct OdevAttribute));
 172     if (!oa)
 173         return FALSE;
 174
 175     oa->attrib_id = attrib;
 176     oa->attrib_name = strdup(attrib_name);
 177     xorg_list_append(&oa->member, &attribs->list);
 178     return TRUE;
 179 }
 180
 181 void
 182 config_odev_free_attributes(struct OdevAttributes *attribs)
 183 {
 184     struct OdevAttribute *iter, *safe;
 185
 186     xorg_list_for_each_entry_safe(iter, safe, &attribs->list, member) {
 187         xorg_list_del(&iter->member);
 188         free(iter->attrib_name);
 189         free(iter);
 190     }
 191 }