X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev%2Flib%2Ftest-libudev.c;h=5e9897c715bf00b54589242e8c1a0a94fbc5fd08;hb=c97f839eed652c3e05eb71bc2ba5fbe40678e7b7;hp=4dcc80a141c666c2e446f44cb451c44840eab7be;hpb=8753fadf2a6ecead372e71b8bf9336cf29f9c958;p=elogind.git
diff --git a/udev/lib/test-libudev.c b/udev/lib/test-libudev.c
index 4dcc80a14..5e9897c71 100644
--- a/udev/lib/test-libudev.c
+++ b/udev/lib/test-libudev.c
@@ -17,8 +17,6 @@
* along with this program. If not, see .
*/
-#include "config.h"
-
#include
#include
#include
@@ -26,6 +24,7 @@
#include
#include
#include
+#include
#include
#include "libudev.h"
@@ -38,38 +37,66 @@ 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_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");
}
@@ -98,12 +125,14 @@ static int test_device_parents(struct udev *udev, const char *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);
@@ -114,19 +143,39 @@ static int test_device_parents(struct udev *udev, const char *syspath)
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;
}
@@ -193,6 +242,7 @@ int main(int argc, char *argv[], char *envp[])
{ "version", 0, NULL, 'V' },
{}
};
+ struct udev_enumerate *udev_enumerate;
const char *syspath = "/devices/virtual/mem/null";
const char *subsystem = NULL;
const char *socket = "@/org/kernel/udev/monitor";
@@ -252,8 +302,55 @@ int main(int argc, char *argv[], char *envp[])
}
test_device(udev, syspath);
+ test_device_devnum(udev);
test_device_parents(udev, syspath);
- test_enumerate(udev, subsystem);
+
+ printf("enumerate '%s'\n", subsystem == NULL ? "" : subsystem);
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
+ udev_enumerate_scan_devices(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ printf("enumerate 'block'\n");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_add_match_subsystem(udev_enumerate,"block");
+ udev_enumerate_scan_devices(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ printf("enumerate '!block'\n");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
+ udev_enumerate_scan_devices(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ printf("enumerate 'pci, mem, vc'\n");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_add_match_subsystem(udev_enumerate, "pci");
+ udev_enumerate_add_match_subsystem(udev_enumerate, "mem");
+ udev_enumerate_add_match_subsystem(udev_enumerate, "vc");
+ udev_enumerate_scan_devices(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ printf("enumerate 'subsystem'\n");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_scan_subsystems(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
test_monitor(udev, socket);
out:
udev_unref(udev);