+pkgUdevCdromDevices::pkgUdevCdromDevices() /*{{{*/
+ : libudev_handle(NULL)
+{
+
+}
+ /*}}}*/
+
+bool
+pkgUdevCdromDevices::Dlopen() /*{{{*/
+{
+ // alread open
+ if(libudev_handle != NULL)
+ return true;
+
+ // see if we can get libudev
+ void *h = ::dlopen("libudev.so.0", RTLD_LAZY);
+ if(h == NULL)
+ return false;
+
+ // get the pointers to the udev structs
+ libudev_handle = h;
+ udev_new = (udev* (*)(void)) dlsym(h, "udev_new");
+ udev_enumerate_add_match_property = (int (*)(udev_enumerate*, const char*, const char*))dlsym(h, "udev_enumerate_add_match_property");
+#if 0 // FIXME: uncomment on next ABI break
+ udev_enumerate_add_match_sysattr = (int (*)(udev_enumerate*, const char*, const char*))dlsym(h, "udev_enumerate_add_match_sysattr");
+#endif
+ udev_enumerate_scan_devices = (int (*)(udev_enumerate*))dlsym(h, "udev_enumerate_scan_devices");
+ udev_enumerate_get_list_entry = (udev_list_entry* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_list_entry");
+ udev_device_new_from_syspath = (udev_device* (*)(udev*, const char*))dlsym(h, "udev_device_new_from_syspath");
+ udev_enumerate_get_udev = (udev* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_udev");
+ udev_list_entry_get_name = (const char* (*)(udev_list_entry*))dlsym(h, "udev_list_entry_get_name");
+ udev_device_get_devnode = (const char* (*)(udev_device*))dlsym(h, "udev_device_get_devnode");
+ udev_enumerate_new = (udev_enumerate* (*)(udev*))dlsym(h, "udev_enumerate_new");
+ udev_list_entry_get_next = (udev_list_entry* (*)(udev_list_entry*))dlsym(h, "udev_list_entry_get_next");
+ udev_device_get_property_value = (const char* (*)(udev_device *, const char *))dlsym(h, "udev_device_get_property_value");
+
+ return true;
+}
+ /*}}}*/
+
+ /*{{{*/
+// compatiblity only with the old API/ABI, can be removed on the next
+// ABI break
+vector<CdromDevice>
+pkgUdevCdromDevices::Scan()
+{
+ bool CdromOnly = _config->FindB("APT::cdrom::CdromOnly", true);
+ return ScanForRemovable(CdromOnly);
+};
+ /*}}}*/
+ /*{{{*/
+vector<CdromDevice>
+pkgUdevCdromDevices::ScanForRemovable(bool CdromOnly)
+{
+ vector<CdromDevice> cdrom_devices;
+ struct udev_enumerate *enumerate;
+ struct udev_list_entry *l, *devices;
+ struct udev *udev_ctx;
+
+ if(libudev_handle == NULL)
+ return cdrom_devices;
+
+ udev_ctx = udev_new();
+ enumerate = udev_enumerate_new (udev_ctx);
+ if (CdromOnly)
+ udev_enumerate_add_match_property(enumerate, "ID_CDROM", "1");
+ else {
+#if 1 // FIXME: remove the next two lines on the next ABI break
+ int (*udev_enumerate_add_match_sysattr)(struct udev_enumerate *udev_enumerate, const char *property, const char *value);
+ udev_enumerate_add_match_sysattr = (int (*)(udev_enumerate*, const char*, const char*))dlsym(libudev_handle, "udev_enumerate_add_match_sysattr");
+#endif
+ udev_enumerate_add_match_sysattr(enumerate, "removable", "1");
+ }
+
+ udev_enumerate_scan_devices (enumerate);
+ devices = udev_enumerate_get_list_entry (enumerate);
+ for (l = devices; l != NULL; l = udev_list_entry_get_next (l))
+ {
+ CdromDevice cdrom;
+ struct udev_device *udevice;
+ udevice = udev_device_new_from_syspath (udev_enumerate_get_udev (enumerate), udev_list_entry_get_name (l));
+ if (udevice == NULL)
+ continue;
+ const char* devnode = udev_device_get_devnode(udevice);
+
+ // try fstab_dir first
+ string mountpath;
+ const char* mp = udev_device_get_property_value(udevice, "FSTAB_DIR");
+ if (mp)
+ mountpath = string(mp);
+ else
+ mountpath = FindMountPointForDevice(devnode);
+
+ // fill in the struct
+ cdrom.DeviceName = string(devnode);
+ if (mountpath != "") {
+ cdrom.MountPath = mountpath;
+ string s = string(mountpath);
+ cdrom.Mounted = IsMounted(s);
+ } else {
+ cdrom.Mounted = false;
+ cdrom.MountPath = "";
+ }
+ cdrom_devices.push_back(cdrom);
+ }
+ return cdrom_devices;
+}
+ /*}}}*/
+
+pkgUdevCdromDevices::~pkgUdevCdromDevices() /*{{{*/
+{
+ if (libudev_handle != NULL)
+ dlclose(libudev_handle);
+}
+ /*}}}*/
projects / apt.git / blobdiff