chiark / gitweb /
libudev: udev_device_get_devname -> udev_device_get_devnode
[elogind.git] / udev / lib / test-libudev.c
index 3c38600..0a0d754 100644 (file)
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "config.h"
-
 #include <stdio.h>
 #include <stdarg.h>
 #include <unistd.h>
 #include <errno.h>
 #include <string.h>
+#include <getopt.h>
+#include <syslog.h>
 #include <sys/select.h>
 
 #include "libudev.h"
@@ -54,11 +54,17 @@ static void print_device(struct udev_device *device)
        int count;
 
        printf("*** device: %p ***\n", device);
+       str = udev_device_get_action(device);
+       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);
-       str = udev_device_get_devname(device);
+       str = udev_device_get_driver(device);
+       printf("driver:    '%s'\n", str);
+       str = udev_device_get_devnode(device);
        printf("devname:   '%s'\n", str);
        count = udev_device_get_devlinks(device, print_devlinks_cb, NULL);
        printf("found %i links\n", count);
@@ -67,12 +73,12 @@ static void print_device(struct udev_device *device)
        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;
@@ -82,11 +88,38 @@ static int test_device(struct udev *udev, const char *devpath)
        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_parents(struct udev *udev, const char *syspath)
 {
-       printf("device:    '%s' (%s) '%s'\n", devpath, subsystem, name);
+       struct udev_device *device;
+       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;
+
+       device_parent = device;
+       do {
+               print_device(device_parent);
+               device_parent = udev_device_get_parent(device_parent);
+       } while (device_parent != NULL);
+
+       device_parent = device;
+       do {
+               print_device(device_parent);
+               device_parent = udev_device_get_parent(device_parent);
+       } while (device_parent != NULL);
+       udev_device_unref(device);
+
+       return 0;
+}
+
+static int devices_enum_cb(struct udev_device *device, void *data)
+{
+       printf("device:    '%s' (%s) '%s'\n",
+              udev_device_get_syspath(device),
+              udev_device_get_subsystem(device),
+              udev_device_get_sysname(device));
        return 0;
 }
 
@@ -94,7 +127,7 @@ static int test_enumerate(struct udev *udev, const char *subsystem)
 {
        int count;
 
-       count = udev_devices_enumerate(udev, subsystem, devices_enum_cb, NULL);
+       count = udev_enumerate_devices(udev, subsystem, devices_enum_cb, NULL);
        printf("found %i devices\n\n", count);
        return count;
 }
@@ -110,6 +143,10 @@ static int test_monitor(struct udev *udev, const char *socket_path)
                printf("no socket\n");
                return -1;
        }
+       if (udev_monitor_enable_receiving(udev_monitor) < 0) {
+               printf("bind failed\n");
+               return -1;
+       }
 
        fd = udev_monitor_get_fd(udev_monitor);
        FD_ZERO(&readfds);
@@ -126,7 +163,7 @@ static int test_monitor(struct udev *udev, const char *socket_path)
                printf("select fd count: %i\n", fdcount);
 
                if (FD_ISSET(fd, &readfds)) {
-                       device = udev_monitor_get_device(udev_monitor);
+                       device = udev_monitor_receive_device(udev_monitor);
                        if (device == NULL) {
                                printf("no device from socket\n");
                                continue;
@@ -147,20 +184,22 @@ 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' },
+               {}
+       };
+       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) {
@@ -170,15 +209,54 @@ 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);
+       /* 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_parents(udev, syspath);
        test_enumerate(udev, subsystem);
        test_monitor(udev, socket);
-
+out:
        udev_unref(udev);
        return 0;
 }