X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev%2Flib%2Ftest-libudev.c;h=0f485248e83a36d6fc9757574d4a5b592cd290cb;hp=7795f5f0fba2a165fa5659fb76ca8b85ecdbba45;hb=bc8184ede9cff156709fe053e3e02ef309cb2920;hpb=4ad3a37f50ed3af4158cd0d0badbd146eb8e3500
diff --git a/udev/lib/test-libudev.c b/udev/lib/test-libudev.c
index 7795f5f0f..0f485248e 100644
--- a/udev/lib/test-libudev.c
+++ b/udev/lib/test-libudev.c
@@ -17,13 +17,14 @@
* along with this program. If not, see .
*/
-#include "config.h"
-
#include
#include
#include
#include
#include
+#include
+#include
+#include
#include
#include "libudev.h"
@@ -36,47 +37,75 @@ static void log_fn(struct udev *udev,
vprintf(format, args);
}
-static int print_devlinks_cb(struct udev_device *udev_device, const char *value, void *data)
-{
- printf("link: '%s'\n", value);
- return 0;
-}
-
-static int print_properties_cb(struct udev_device *udev_device, const char *key, const char *value, void *data)
-{
- printf("property: '%s=%s'\n", key, value);
- return 0;
-}
-
static void print_device(struct udev_device *device)
{
const char *str;
+ dev_t devnum;
int count;
+ struct udev_list_entry *list_entry;
printf("*** device: %p ***\n", device);
+ str = udev_device_get_action(device);
+ if (str != NULL)
+ printf("action: '%s'\n", str);
+
+ str = udev_device_get_syspath(device);
+ printf("syspath: '%s'\n", str);
+
str = udev_device_get_devpath(device);
printf("devpath: '%s'\n", str);
+
str = udev_device_get_subsystem(device);
- printf("subsystem: '%s'\n", str);
+ if (str != NULL)
+ printf("subsystem: '%s'\n", str);
+
str = udev_device_get_driver(device);
- printf("driver: '%s'\n", str);
- str = udev_device_get_syspath(device);
- printf("syspath: '%s'\n", str);
- str = udev_device_get_devname(device);
- printf("devname: '%s'\n", str);
- count = udev_device_get_devlinks(device, print_devlinks_cb, NULL);
- printf("found %i links\n", count);
- count = udev_device_get_properties(device, print_properties_cb, NULL);
- printf("found %i properties\n", count);
+ if (str != NULL)
+ printf("driver: '%s'\n", str);
+
+ str = udev_device_get_devnode(device);
+ if (str != NULL)
+ printf("devname: '%s'\n", str);
+
+ devnum = udev_device_get_devnum(device);
+ if (major(devnum) > 0)
+ printf("devnum: %u:%u\n", major(devnum), minor(devnum));
+
+ count = 0;
+ list_entry = udev_device_get_devlinks_list_entry(device);
+ while (list_entry != NULL) {
+ printf("link: '%s'\n", udev_list_entry_get_name(list_entry));
+ count++;
+ list_entry = udev_list_entry_get_next(list_entry);
+ }
+ if (count > 0)
+ printf("found %i links\n", count);
+
+ count = 0;
+ list_entry = udev_device_get_properties_list_entry(device);
+ while (list_entry != NULL) {
+ printf("property: '%s=%s'\n",
+ udev_list_entry_get_name(list_entry),
+ udev_list_entry_get_value(list_entry));
+ count++;
+ list_entry = udev_list_entry_get_next(list_entry);
+ }
+ if (count > 0)
+ printf("found %i properties\n", count);
+
+ str = udev_device_get_attr_value(device, "dev");
+ if (str != NULL)
+ printf("attr{dev}: '%s'\n", str);
+
printf("\n");
}
-static int test_device(struct udev *udev, const char *devpath)
+static int test_device(struct udev *udev, const char *syspath)
{
struct udev_device *device;
- printf("looking at device: %s\n", devpath);
- device = udev_device_new_from_devpath(udev, devpath);
+ printf("looking at device: %s\n", syspath);
+ device = udev_device_new_from_syspath(udev, syspath);
if (device == NULL) {
printf("no device\n");
return -1;
@@ -86,36 +115,67 @@ static int test_device(struct udev *udev, const char *devpath)
return 0;
}
-static int test_device_parents(struct udev *udev, const char *devpath)
+static int test_device_parents(struct udev *udev, const char *syspath)
{
struct udev_device *device;
+ struct udev_device *device_parent;
- printf("looking at device: %s\n", devpath);
- device = udev_device_new_from_devpath(udev, devpath);
- while (device != NULL) {
- struct udev_device *device_parent;
+ printf("looking at device: %s\n", syspath);
+ device = udev_device_new_from_syspath(udev, syspath);
+ if (device == NULL)
+ return -1;
+
+ printf("looking at parents\n");
+ device_parent = device;
+ do {
+ print_device(device_parent);
+ device_parent = udev_device_get_parent(device_parent);
+ } while (device_parent != NULL);
+
+ printf("looking at parents again\n");
+ device_parent = device;
+ do {
+ print_device(device_parent);
+ device_parent = udev_device_get_parent(device_parent);
+ } while (device_parent != NULL);
+ udev_device_unref(device);
- print_device(device);
- device_parent = udev_device_new_from_parent(device);
- udev_device_unref(device);
- device = device_parent;
- }
return 0;
}
-static int devices_enum_cb(struct udev *udev,
- const char *devpath, const char *subsystem, const char *name,
- void *data)
+static int test_device_devnum(struct udev *udev)
{
- printf("device: '%s' (%s) '%s'\n", devpath, subsystem, name);
+ dev_t devnum = makedev(1, 3);
+ struct udev_device *device;
+
+ printf("looking up device: %u:%u\n", major(devnum), minor(devnum));
+ device = udev_device_new_from_devnum(udev, 'c', devnum);
+ if (device == NULL)
+ return -1;
+ print_device(device);
+ udev_device_unref(device);
return 0;
}
-static int test_enumerate(struct udev *udev, const char *subsystem)
+static int test_enumerate_print_list(struct udev_enumerate *enumerate)
{
- int count;
+ struct udev_list_entry *list_entry;
+ int count = 0;
+
+ udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
+ struct udev_device *device;
- count = udev_enumerate_devices(udev, subsystem, devices_enum_cb, NULL);
+ device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
+ udev_list_entry_get_name(list_entry));
+ if (device != NULL) {
+ printf("device: '%s' (%s) '%s'\n",
+ udev_device_get_syspath(device),
+ udev_device_get_subsystem(device),
+ udev_device_get_sysname(device));
+ udev_device_unref(device);
+ count++;
+ }
+ }
printf("found %i devices\n\n", count);
return count;
}
@@ -172,20 +232,23 @@ static int test_monitor(struct udev *udev, const char *socket_path)
int main(int argc, char *argv[], char *envp[])
{
- struct udev *udev;
- const char *devpath = "/devices/virtual/mem/null";
+ struct udev *udev = NULL;
+ static const struct option options[] = {
+ { "syspath", 1, NULL, 'p' },
+ { "subsystem", 1, NULL, 's' },
+ { "socket", 1, NULL, 'S' },
+ { "debug", 0, NULL, 'd' },
+ { "help", 0, NULL, 'h' },
+ { "version", 0, NULL, 'V' },
+ {}
+ };
+ struct udev_enumerate *enumerate;
+ const char *syspath = "/devices/virtual/mem/null";
const char *subsystem = NULL;
const char *socket = "@/org/kernel/udev/monitor";
+ char path[1024];
const char *str;
- if (argv[1] != NULL) {
- devpath = argv[1];
- if (argv[2] != NULL)
- subsystem = argv[2];
- if (argv[3] != NULL)
- socket = argv[3];
- }
-
udev = udev_new();
printf("context: %p\n", udev);
if (udev == NULL) {
@@ -195,16 +258,83 @@ int main(int argc, char *argv[], char *envp[])
udev_set_log_fn(udev, log_fn);
printf("set log: %p\n", log_fn);
+ while (1) {
+ int option;
+
+ option = getopt_long(argc, argv, "+dhV", options, NULL);
+ if (option == -1)
+ break;
+
+ switch (option) {
+ case 'p':
+ syspath = optarg;
+ break;
+ case 's':
+ subsystem = optarg;
+ break;
+ case 'S':
+ socket = optarg;
+ break;
+ case 'd':
+ if (udev_get_log_priority(udev) < LOG_INFO)
+ udev_set_log_priority(udev, LOG_INFO);
+ break;
+ case 'h':
+ printf("--debug --syspath= --subsystem= --socket= --help\n");
+ goto out;
+ case 'V':
+ printf("%s\n", VERSION);
+ goto out;
+ default:
+ goto out;
+ }
+ }
+
str = udev_get_sys_path(udev);
printf("sys_path: '%s'\n", str);
str = udev_get_dev_path(udev);
printf("dev_path: '%s'\n", str);
- test_device(udev, devpath);
- test_device_parents(udev, devpath);
- test_enumerate(udev, subsystem);
- test_monitor(udev, socket);
+ /* add sys path if needed */
+ if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
+ snprintf(path, sizeof(path), "%s%s", udev_get_sys_path(udev), syspath);
+ syspath = path;
+ }
+
+ test_device(udev, syspath);
+ test_device_devnum(udev);
+ test_device_parents(udev, syspath);
+
+ printf("enumerate '%s'\n", subsystem == NULL ? "" : subsystem);
+ enumerate = udev_enumerate_new_from_devices(udev, subsystem, NULL);
+ if (enumerate == NULL)
+ return -1;
+ test_enumerate_print_list(enumerate);
+ udev_enumerate_unref(enumerate);
+
+ printf("enumerate 'block'\n");
+ enumerate = udev_enumerate_new_from_devices(udev, "block", NULL);
+ if (enumerate == NULL)
+ return -1;
+ test_enumerate_print_list(enumerate);
+ udev_enumerate_unref(enumerate);
+
+ printf("enumerate '!block'\n");
+ enumerate = udev_enumerate_new_from_devices(udev, "!block", NULL);
+ if (enumerate == NULL)
+ return -1;
+ test_enumerate_print_list(enumerate);
+ udev_enumerate_unref(enumerate);
+
+ printf("enumerate 'pci, mem, vc'\n");
+ enumerate = udev_enumerate_new_from_devices(udev, "pci", "mem", "vc", NULL);
+ if (enumerate == NULL)
+ return -1;
+ test_enumerate_print_list(enumerate);
+ udev_enumerate_unref(enumerate);
+ test_monitor(udev, socket);
+out:
udev_unref(udev);
return 0;
}