+++ /dev/null
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-
-#include <pthread.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "libudev.h"
-
-#include "macro.h"
-
-static void* thread(void *p) {
- struct udev_device **d = p;
-
- assert_se(!(*d = udev_device_unref(*d)));
-
- return NULL;
-}
-
-int main(int argc, char *argv[]) {
- struct udev_device *loopback;
- pthread_t t;
-
- assert_se(unsetenv("SYSTEMD_MEMPOOL") == 0);
-
- assert_se(loopback = udev_device_new_from_syspath(NULL, "/sys/class/net/lo"));
-
- assert_se(udev_device_get_properties_list_entry(loopback));
-
- assert_se(pthread_create(&t, NULL, thread, &loopback) == 0);
- assert_se(pthread_join(t, NULL) == 0);
-
- assert_se(!loopback);
-
- return 0;
-}
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <getopt.h>
+#include <sys/epoll.h>
+#include <unistd.h>
+
+#include "alloc-util.h"
+#include "build.h"
+#include "fd-util.h"
+#include "libudev-list-internal.h"
+#include "libudev-util.h"
+#include "log.h"
+#include "main-func.h"
+#include "stdio-util.h"
+#include "string-util.h"
+#include "tests.h"
+
+static bool arg_monitor = false;
+
+static void print_device(struct udev_device *device) {
+ const char *str;
+ dev_t devnum;
+ int count;
+ struct udev_list_entry *list_entry;
+
+ log_info("*** device: %p ***", device);
+ str = udev_device_get_action(device);
+ if (str)
+ log_info("action: '%s'", str);
+
+ str = udev_device_get_syspath(device);
+ log_info("syspath: '%s'", str);
+
+ str = udev_device_get_sysname(device);
+ log_info("sysname: '%s'", str);
+
+ str = udev_device_get_sysnum(device);
+ if (str)
+ log_info("sysnum: '%s'", str);
+
+ str = udev_device_get_devpath(device);
+ log_info("devpath: '%s'", str);
+
+ str = udev_device_get_subsystem(device);
+ if (str)
+ log_info("subsystem: '%s'", str);
+
+ str = udev_device_get_devtype(device);
+ if (str)
+ log_info("devtype: '%s'", str);
+
+ str = udev_device_get_driver(device);
+ if (str)
+ log_info("driver: '%s'", str);
+
+ str = udev_device_get_devnode(device);
+ if (str)
+ log_info("devname: '%s'", str);
+
+ devnum = udev_device_get_devnum(device);
+ if (major(devnum) > 0)
+ log_info("devnum: %u:%u", major(devnum), minor(devnum));
+
+ count = 0;
+ udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
+ log_info("link: '%s'", udev_list_entry_get_name(list_entry));
+ count++;
+ }
+ if (count > 0)
+ log_info("found %i links", count);
+
+ count = 0;
+ udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) {
+ log_info("property: '%s=%s'",
+ udev_list_entry_get_name(list_entry),
+ udev_list_entry_get_value(list_entry));
+ count++;
+ }
+ if (count > 0)
+ log_info("found %i properties", count);
+
+ str = udev_device_get_property_value(device, "MAJOR");
+ if (str)
+ log_info("MAJOR: '%s'", str);
+
+ str = udev_device_get_sysattr_value(device, "dev");
+ if (str)
+ log_info("attr{dev}: '%s'", str);
+}
+
+static void test_device(struct udev *udev, const char *syspath) {
+ _cleanup_(udev_device_unrefp) struct udev_device *device;
+
+ log_info("/* %s, device %s */", __func__, syspath);
+ device = udev_device_new_from_syspath(udev, syspath);
+ if (device)
+ print_device(device);
+ else
+ log_warning_errno(errno, "udev_device_new_from_syspath: %m");
+}
+
+static void test_device_parents(struct udev *udev, const char *syspath) {
+ _cleanup_(udev_device_unrefp) struct udev_device *device;
+ struct udev_device *device_parent;
+
+ log_info("/* %s, device %s */", __func__, syspath);
+ device = udev_device_new_from_syspath(udev, syspath);
+ if (!device)
+ return;
+
+ log_info("looking at parents");
+ device_parent = device;
+ do {
+ print_device(device_parent);
+ device_parent = udev_device_get_parent(device_parent);
+ } while (device_parent != NULL);
+
+ log_info("looking at parents again");
+ device_parent = device;
+ do {
+ print_device(device_parent);
+ device_parent = udev_device_get_parent(device_parent);
+ } while (device_parent != NULL);
+}
+
+static void test_device_devnum(struct udev *udev) {
+ dev_t devnum = makedev(1, 3);
+ _cleanup_(udev_device_unrefp) struct udev_device *device;
+
+ log_info("/* %s, device %d:%d */", __func__, major(devnum), minor(devnum));
+
+ device = udev_device_new_from_devnum(udev, 'c', devnum);
+ if (device)
+ print_device(device);
+ else
+ log_warning_errno(errno, "udev_device_new_from_devnum: %m");
+}
+
+static void test_device_subsys_name(struct udev *udev, const char *subsys, const char *dev) {
+ _cleanup_(udev_device_unrefp) struct udev_device *device;
+
+ log_info("looking up device: '%s:%s'", subsys, dev);
+ device = udev_device_new_from_subsystem_sysname(udev, subsys, dev);
+ if (!device)
+ log_warning_errno(errno, "udev_device_new_from_subsystem_sysname: %m");
+ else
+ print_device(device);
+}
+
+static int enumerate_print_list(struct udev_enumerate *enumerate) {
+ 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;
+
+ device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
+ udev_list_entry_get_name(list_entry));
+ if (device) {
+ log_info("device: '%s' (%s)",
+ udev_device_get_syspath(device),
+ udev_device_get_subsystem(device));
+ udev_device_unref(device);
+ count++;
+ }
+ }
+ log_info("found %i devices", count);
+ return count;
+}
+
+static void test_monitor(struct udev *udev) {
+ _cleanup_(udev_monitor_unrefp) struct udev_monitor *udev_monitor;
+ _cleanup_close_ int fd_ep;
+ int fd_udev;
+ struct epoll_event ep_udev = {
+ .events = EPOLLIN,
+ }, ep_stdin = {
+ .events = EPOLLIN,
+ .data.fd = STDIN_FILENO,
+ };
+
+ log_info("/* %s */", __func__);
+
+ fd_ep = epoll_create1(EPOLL_CLOEXEC);
+ assert_se(fd_ep >= 0);
+
+ udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
+ assert_se(udev_monitor != NULL);
+
+ fd_udev = udev_monitor_get_fd(udev_monitor);
+ ep_udev.data.fd = fd_udev;
+
+ assert_se(udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "block", NULL) >= 0);
+ assert_se(udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL) >= 0);
+ assert_se(udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "usb", "usb_device") >= 0);
+
+ assert_se(udev_monitor_enable_receiving(udev_monitor) >= 0);
+
+ assert_se(epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) >= 0);
+ assert_se(epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) >= 0);
+
+ for (;;) {
+ int fdcount;
+ struct epoll_event ev[4];
+ struct udev_device *device;
+ int i;
+
+ printf("waiting for events from udev, press ENTER to exit\n");
+ fdcount = epoll_wait(fd_ep, ev, ELEMENTSOF(ev), -1);
+ printf("epoll fd count: %i\n", fdcount);
+
+ for (i = 0; i < fdcount; i++) {
+ if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) {
+ device = udev_monitor_receive_device(udev_monitor);
+ if (!device) {
+ printf("no device from socket\n");
+ continue;
+ }
+ print_device(device);
+ udev_device_unref(device);
+ } else if (ev[i].data.fd == STDIN_FILENO && ev[i].events & EPOLLIN) {
+ printf("exiting loop\n");
+ return;
+ }
+ }
+ }
+}
+
+static void test_queue(struct udev *udev) {
+ struct udev_queue *udev_queue;
+ bool empty;
+
+ log_info("/* %s */", __func__);
+
+ assert_se(udev_queue = udev_queue_new(udev));
+
+ empty = udev_queue_get_queue_is_empty(udev_queue);
+ log_info("queue is %s", empty ? "empty" : "not empty");
+ udev_queue_unref(udev_queue);
+}
+
+static int test_enumerate(struct udev *udev, const char *subsystem) {
+ struct udev_enumerate *udev_enumerate;
+ int r;
+
+ log_info("/* %s */", __func__);
+
+ log_info("enumerate '%s'", subsystem == NULL ? "<all>" : subsystem);
+ udev_enumerate = udev_enumerate_new(udev);
+ if (!udev_enumerate)
+ return -1;
+ udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
+ udev_enumerate_scan_devices(udev_enumerate);
+ enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ log_info("enumerate 'net' + duplicated scan + null + zero");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (!udev_enumerate)
+ return -1;
+ udev_enumerate_add_match_subsystem(udev_enumerate, "net");
+ udev_enumerate_scan_devices(udev_enumerate);
+ udev_enumerate_scan_devices(udev_enumerate);
+ udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
+ udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
+ udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
+ udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
+ udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
+ udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
+ udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
+ udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
+ udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
+ udev_enumerate_scan_devices(udev_enumerate);
+ enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ log_info("enumerate 'block'");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (!udev_enumerate)
+ return -1;
+ udev_enumerate_add_match_subsystem(udev_enumerate,"block");
+ r = udev_enumerate_add_match_is_initialized(udev_enumerate);
+ if (r < 0) {
+ udev_enumerate_unref(udev_enumerate);
+ return r;
+ }
+ udev_enumerate_scan_devices(udev_enumerate);
+ enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ log_info("enumerate 'not block'");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (!udev_enumerate)
+ return -1;
+ udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
+ udev_enumerate_scan_devices(udev_enumerate);
+ enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ log_info("enumerate 'pci, mem, vc'");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (!udev_enumerate)
+ 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);
+ enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ log_info("enumerate 'subsystem'");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (!udev_enumerate)
+ return -1;
+ udev_enumerate_scan_subsystems(udev_enumerate);
+ enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ log_info("enumerate 'property IF_FS_*=filesystem'");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (!udev_enumerate)
+ return -1;
+ udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem");
+ udev_enumerate_scan_devices(udev_enumerate);
+ enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+ return 0;
+}
+
+static void test_hwdb(struct udev *udev, const char *modalias) {
+ struct udev_hwdb *hwdb;
+ struct udev_list_entry *entry;
+
+ log_info("/* %s */", __func__);
+
+ hwdb = udev_hwdb_new(udev);
+ if (!hwdb)
+ log_warning_errno(errno, "Failed to open hwdb: %m");
+
+ udev_list_entry_foreach(entry, udev_hwdb_get_properties_list_entry(hwdb, modalias, 0))
+ log_info("'%s'='%s'", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
+
+ hwdb = udev_hwdb_unref(hwdb);
+ assert_se(hwdb == NULL);
+}
+
+static void test_list(void) {
+ _cleanup_(udev_list_freep) struct udev_list *list = NULL;
+ struct udev_list_entry *e;
+
+ /* empty list */
+ assert_se(list = udev_list_new(false));
+ assert_se(!udev_list_get_entry(list));
+ list = udev_list_free(list);
+
+ /* unique == false */
+ assert_se(list = udev_list_new(false));
+ assert_se(udev_list_entry_add(list, "aaa", "hoge"));
+ assert_se(udev_list_entry_add(list, "aaa", "hogehoge"));
+ assert_se(udev_list_entry_add(list, "bbb", "foo"));
+ e = udev_list_get_entry(list);
+ assert_se(e);
+ assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
+ assert_se(streq_ptr(udev_list_entry_get_value(e), "hoge"));
+ e = udev_list_entry_get_next(e);
+ assert_se(e);
+ assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
+ assert_se(streq_ptr(udev_list_entry_get_value(e), "hogehoge"));
+ e = udev_list_entry_get_next(e);
+ assert_se(e);
+ assert_se(streq_ptr(udev_list_entry_get_name(e), "bbb"));
+ assert_se(streq_ptr(udev_list_entry_get_value(e), "foo"));
+ assert_se(!udev_list_entry_get_next(e));
+
+ assert_se(!udev_list_entry_get_by_name(e, "aaa"));
+ assert_se(!udev_list_entry_get_by_name(e, "bbb"));
+ assert_se(!udev_list_entry_get_by_name(e, "ccc"));
+ list = udev_list_free(list);
+
+ /* unique == true */
+ assert_se(list = udev_list_new(true));
+ assert_se(udev_list_entry_add(list, "aaa", "hoge"));
+ assert_se(udev_list_entry_add(list, "aaa", "hogehoge"));
+ assert_se(udev_list_entry_add(list, "bbb", "foo"));
+ e = udev_list_get_entry(list);
+ assert_se(e);
+ assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
+ assert_se(streq_ptr(udev_list_entry_get_value(e), "hogehoge"));
+ e = udev_list_entry_get_next(e);
+ assert_se(streq_ptr(udev_list_entry_get_name(e), "bbb"));
+ assert_se(streq_ptr(udev_list_entry_get_value(e), "foo"));
+ assert_se(!udev_list_entry_get_next(e));
+
+ e = udev_list_entry_get_by_name(e, "bbb");
+ assert_se(e);
+ assert_se(streq_ptr(udev_list_entry_get_name(e), "bbb"));
+ assert_se(streq_ptr(udev_list_entry_get_value(e), "foo"));
+ e = udev_list_entry_get_by_name(e, "aaa");
+ assert_se(e);
+ assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
+ assert_se(streq_ptr(udev_list_entry_get_value(e), "hogehoge"));
+ assert_se(!udev_list_entry_get_by_name(e, "ccc"));
+}
+
+static int parse_args(int argc, char *argv[], const char **syspath, const char **subsystem) {
+ static const struct option options[] = {
+ { "syspath", required_argument, NULL, 'p' },
+ { "subsystem", required_argument, NULL, 's' },
+ { "debug", no_argument, NULL, 'd' },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, 'V' },
+ { "monitor", no_argument, NULL, 'm' },
+ {}
+ };
+ int c;
+
+ while ((c = getopt_long(argc, argv, "p:s:dhVm", options, NULL)) >= 0)
+ switch (c) {
+ case 'p':
+ *syspath = optarg;
+ break;
+
+ case 's':
+ *subsystem = optarg;
+ break;
+
+ case 'd':
+ log_set_max_level(LOG_DEBUG);
+ break;
+
+ case 'h':
+ printf("--debug --syspath= --subsystem= --help\n");
+ return 0;
+
+ case 'V':
+ printf("%s\n", GIT_VERSION);
+ return 0;
+
+ case 'm':
+ arg_monitor = true;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option code.");
+ }
+
+ return 1;
+}
+
+static int run(int argc, char *argv[]) {
+ _cleanup_(udev_unrefp) struct udev *udev = NULL;
+
+ const char *syspath = "/devices/virtual/mem/null";
+ const char *subsystem = NULL;
+ int r;
+
+ test_setup_logging(LOG_INFO);
+
+ r = parse_args(argc, argv, &syspath, &subsystem);
+ if (r <= 0)
+ return r;
+
+ assert_se(udev = udev_new());
+
+ /* add sys path if needed */
+ if (!startswith(syspath, "/sys"))
+ syspath = strjoina("/sys/", syspath);
+
+ test_device(udev, syspath);
+ test_device_devnum(udev);
+ test_device_subsys_name(udev, "block", "sda");
+ test_device_subsys_name(udev, "subsystem", "pci");
+ test_device_subsys_name(udev, "drivers", "scsi:sd");
+ test_device_subsys_name(udev, "module", "printk");
+ test_device_parents(udev, syspath);
+
+ test_enumerate(udev, subsystem);
+
+ test_queue(udev);
+
+ test_hwdb(udev, "usb:v0D50p0011*");
+
+ if (arg_monitor)
+ test_monitor(udev);
+
+ test_list();
+
+ return 0;
+}
+
+DEFINE_MAIN_FUNCTION(run);
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <pthread.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "libudev.h"
+
+#include "macro.h"
+
+static void* thread(void *p) {
+ struct udev_device **d = p;
+
+ assert_se(!(*d = udev_device_unref(*d)));
+
+ return NULL;
+}
+
+int main(int argc, char *argv[]) {
+ struct udev_device *loopback;
+ pthread_t t;
+
+ assert_se(unsetenv("SYSTEMD_MEMPOOL") == 0);
+
+ assert_se(loopback = udev_device_new_from_syspath(NULL, "/sys/class/net/lo"));
+
+ assert_se(udev_device_get_properties_list_entry(loopback));
+
+ assert_se(pthread_create(&t, NULL, thread, &loopback) == 0);
+ assert_se(pthread_join(t, NULL) == 0);
+
+ assert_se(!loopback);
+
+ return 0;
+}
[],
[]],
- [['src/test/test-libudev.c'],
+ [['src/libudev/test-libudev.c'],
[libshared,
libudev_static],
- [],
- '', '', [], libudev_includes],
+ []],
[['src/test/test-udev.c'],
[libudevd_core,
libsystemd],
[threads]],
- [['src/libsystemd/sd-device/test-udev-device-thread.c'],
+ [['src/libudev/test-udev-device-thread.c'],
[libbasic,
libshared_static,
libudev],
- [threads],
- '', '', [], libudev_includes],
+ [threads]],
[['src/libsystemd/sd-device/test-sd-device-monitor.c'],
[],
+++ /dev/null
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-
-#include <errno.h>
-#include <getopt.h>
-#include <sys/epoll.h>
-#include <unistd.h>
-
-#include "alloc-util.h"
-#include "build.h"
-#include "fd-util.h"
-#include "libudev-list-internal.h"
-#include "libudev-util.h"
-#include "log.h"
-#include "main-func.h"
-#include "stdio-util.h"
-#include "string-util.h"
-#include "tests.h"
-
-static bool arg_monitor = false;
-
-static void print_device(struct udev_device *device) {
- const char *str;
- dev_t devnum;
- int count;
- struct udev_list_entry *list_entry;
-
- log_info("*** device: %p ***", device);
- str = udev_device_get_action(device);
- if (str)
- log_info("action: '%s'", str);
-
- str = udev_device_get_syspath(device);
- log_info("syspath: '%s'", str);
-
- str = udev_device_get_sysname(device);
- log_info("sysname: '%s'", str);
-
- str = udev_device_get_sysnum(device);
- if (str)
- log_info("sysnum: '%s'", str);
-
- str = udev_device_get_devpath(device);
- log_info("devpath: '%s'", str);
-
- str = udev_device_get_subsystem(device);
- if (str)
- log_info("subsystem: '%s'", str);
-
- str = udev_device_get_devtype(device);
- if (str)
- log_info("devtype: '%s'", str);
-
- str = udev_device_get_driver(device);
- if (str)
- log_info("driver: '%s'", str);
-
- str = udev_device_get_devnode(device);
- if (str)
- log_info("devname: '%s'", str);
-
- devnum = udev_device_get_devnum(device);
- if (major(devnum) > 0)
- log_info("devnum: %u:%u", major(devnum), minor(devnum));
-
- count = 0;
- udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
- log_info("link: '%s'", udev_list_entry_get_name(list_entry));
- count++;
- }
- if (count > 0)
- log_info("found %i links", count);
-
- count = 0;
- udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) {
- log_info("property: '%s=%s'",
- udev_list_entry_get_name(list_entry),
- udev_list_entry_get_value(list_entry));
- count++;
- }
- if (count > 0)
- log_info("found %i properties", count);
-
- str = udev_device_get_property_value(device, "MAJOR");
- if (str)
- log_info("MAJOR: '%s'", str);
-
- str = udev_device_get_sysattr_value(device, "dev");
- if (str)
- log_info("attr{dev}: '%s'", str);
-}
-
-static void test_device(struct udev *udev, const char *syspath) {
- _cleanup_(udev_device_unrefp) struct udev_device *device;
-
- log_info("/* %s, device %s */", __func__, syspath);
- device = udev_device_new_from_syspath(udev, syspath);
- if (device)
- print_device(device);
- else
- log_warning_errno(errno, "udev_device_new_from_syspath: %m");
-}
-
-static void test_device_parents(struct udev *udev, const char *syspath) {
- _cleanup_(udev_device_unrefp) struct udev_device *device;
- struct udev_device *device_parent;
-
- log_info("/* %s, device %s */", __func__, syspath);
- device = udev_device_new_from_syspath(udev, syspath);
- if (!device)
- return;
-
- log_info("looking at parents");
- device_parent = device;
- do {
- print_device(device_parent);
- device_parent = udev_device_get_parent(device_parent);
- } while (device_parent != NULL);
-
- log_info("looking at parents again");
- device_parent = device;
- do {
- print_device(device_parent);
- device_parent = udev_device_get_parent(device_parent);
- } while (device_parent != NULL);
-}
-
-static void test_device_devnum(struct udev *udev) {
- dev_t devnum = makedev(1, 3);
- _cleanup_(udev_device_unrefp) struct udev_device *device;
-
- log_info("/* %s, device %d:%d */", __func__, major(devnum), minor(devnum));
-
- device = udev_device_new_from_devnum(udev, 'c', devnum);
- if (device)
- print_device(device);
- else
- log_warning_errno(errno, "udev_device_new_from_devnum: %m");
-}
-
-static void test_device_subsys_name(struct udev *udev, const char *subsys, const char *dev) {
- _cleanup_(udev_device_unrefp) struct udev_device *device;
-
- log_info("looking up device: '%s:%s'", subsys, dev);
- device = udev_device_new_from_subsystem_sysname(udev, subsys, dev);
- if (!device)
- log_warning_errno(errno, "udev_device_new_from_subsystem_sysname: %m");
- else
- print_device(device);
-}
-
-static int enumerate_print_list(struct udev_enumerate *enumerate) {
- 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;
-
- device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
- udev_list_entry_get_name(list_entry));
- if (device) {
- log_info("device: '%s' (%s)",
- udev_device_get_syspath(device),
- udev_device_get_subsystem(device));
- udev_device_unref(device);
- count++;
- }
- }
- log_info("found %i devices", count);
- return count;
-}
-
-static void test_monitor(struct udev *udev) {
- _cleanup_(udev_monitor_unrefp) struct udev_monitor *udev_monitor;
- _cleanup_close_ int fd_ep;
- int fd_udev;
- struct epoll_event ep_udev = {
- .events = EPOLLIN,
- }, ep_stdin = {
- .events = EPOLLIN,
- .data.fd = STDIN_FILENO,
- };
-
- log_info("/* %s */", __func__);
-
- fd_ep = epoll_create1(EPOLL_CLOEXEC);
- assert_se(fd_ep >= 0);
-
- udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
- assert_se(udev_monitor != NULL);
-
- fd_udev = udev_monitor_get_fd(udev_monitor);
- ep_udev.data.fd = fd_udev;
-
- assert_se(udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "block", NULL) >= 0);
- assert_se(udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL) >= 0);
- assert_se(udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "usb", "usb_device") >= 0);
-
- assert_se(udev_monitor_enable_receiving(udev_monitor) >= 0);
-
- assert_se(epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) >= 0);
- assert_se(epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) >= 0);
-
- for (;;) {
- int fdcount;
- struct epoll_event ev[4];
- struct udev_device *device;
- int i;
-
- printf("waiting for events from udev, press ENTER to exit\n");
- fdcount = epoll_wait(fd_ep, ev, ELEMENTSOF(ev), -1);
- printf("epoll fd count: %i\n", fdcount);
-
- for (i = 0; i < fdcount; i++) {
- if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) {
- device = udev_monitor_receive_device(udev_monitor);
- if (!device) {
- printf("no device from socket\n");
- continue;
- }
- print_device(device);
- udev_device_unref(device);
- } else if (ev[i].data.fd == STDIN_FILENO && ev[i].events & EPOLLIN) {
- printf("exiting loop\n");
- return;
- }
- }
- }
-}
-
-static void test_queue(struct udev *udev) {
- struct udev_queue *udev_queue;
- bool empty;
-
- log_info("/* %s */", __func__);
-
- assert_se(udev_queue = udev_queue_new(udev));
-
- empty = udev_queue_get_queue_is_empty(udev_queue);
- log_info("queue is %s", empty ? "empty" : "not empty");
- udev_queue_unref(udev_queue);
-}
-
-static int test_enumerate(struct udev *udev, const char *subsystem) {
- struct udev_enumerate *udev_enumerate;
- int r;
-
- log_info("/* %s */", __func__);
-
- log_info("enumerate '%s'", subsystem == NULL ? "<all>" : subsystem);
- udev_enumerate = udev_enumerate_new(udev);
- if (!udev_enumerate)
- return -1;
- udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
- udev_enumerate_scan_devices(udev_enumerate);
- enumerate_print_list(udev_enumerate);
- udev_enumerate_unref(udev_enumerate);
-
- log_info("enumerate 'net' + duplicated scan + null + zero");
- udev_enumerate = udev_enumerate_new(udev);
- if (!udev_enumerate)
- return -1;
- udev_enumerate_add_match_subsystem(udev_enumerate, "net");
- udev_enumerate_scan_devices(udev_enumerate);
- udev_enumerate_scan_devices(udev_enumerate);
- udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
- udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
- udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
- udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
- udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
- udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
- udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
- udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
- udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
- udev_enumerate_scan_devices(udev_enumerate);
- enumerate_print_list(udev_enumerate);
- udev_enumerate_unref(udev_enumerate);
-
- log_info("enumerate 'block'");
- udev_enumerate = udev_enumerate_new(udev);
- if (!udev_enumerate)
- return -1;
- udev_enumerate_add_match_subsystem(udev_enumerate,"block");
- r = udev_enumerate_add_match_is_initialized(udev_enumerate);
- if (r < 0) {
- udev_enumerate_unref(udev_enumerate);
- return r;
- }
- udev_enumerate_scan_devices(udev_enumerate);
- enumerate_print_list(udev_enumerate);
- udev_enumerate_unref(udev_enumerate);
-
- log_info("enumerate 'not block'");
- udev_enumerate = udev_enumerate_new(udev);
- if (!udev_enumerate)
- return -1;
- udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
- udev_enumerate_scan_devices(udev_enumerate);
- enumerate_print_list(udev_enumerate);
- udev_enumerate_unref(udev_enumerate);
-
- log_info("enumerate 'pci, mem, vc'");
- udev_enumerate = udev_enumerate_new(udev);
- if (!udev_enumerate)
- 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);
- enumerate_print_list(udev_enumerate);
- udev_enumerate_unref(udev_enumerate);
-
- log_info("enumerate 'subsystem'");
- udev_enumerate = udev_enumerate_new(udev);
- if (!udev_enumerate)
- return -1;
- udev_enumerate_scan_subsystems(udev_enumerate);
- enumerate_print_list(udev_enumerate);
- udev_enumerate_unref(udev_enumerate);
-
- log_info("enumerate 'property IF_FS_*=filesystem'");
- udev_enumerate = udev_enumerate_new(udev);
- if (!udev_enumerate)
- return -1;
- udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem");
- udev_enumerate_scan_devices(udev_enumerate);
- enumerate_print_list(udev_enumerate);
- udev_enumerate_unref(udev_enumerate);
- return 0;
-}
-
-static void test_hwdb(struct udev *udev, const char *modalias) {
- struct udev_hwdb *hwdb;
- struct udev_list_entry *entry;
-
- log_info("/* %s */", __func__);
-
- hwdb = udev_hwdb_new(udev);
- if (!hwdb)
- log_warning_errno(errno, "Failed to open hwdb: %m");
-
- udev_list_entry_foreach(entry, udev_hwdb_get_properties_list_entry(hwdb, modalias, 0))
- log_info("'%s'='%s'", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
-
- hwdb = udev_hwdb_unref(hwdb);
- assert_se(hwdb == NULL);
-}
-
-static void test_list(void) {
- _cleanup_(udev_list_freep) struct udev_list *list = NULL;
- struct udev_list_entry *e;
-
- /* empty list */
- assert_se(list = udev_list_new(false));
- assert_se(!udev_list_get_entry(list));
- list = udev_list_free(list);
-
- /* unique == false */
- assert_se(list = udev_list_new(false));
- assert_se(udev_list_entry_add(list, "aaa", "hoge"));
- assert_se(udev_list_entry_add(list, "aaa", "hogehoge"));
- assert_se(udev_list_entry_add(list, "bbb", "foo"));
- e = udev_list_get_entry(list);
- assert_se(e);
- assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
- assert_se(streq_ptr(udev_list_entry_get_value(e), "hoge"));
- e = udev_list_entry_get_next(e);
- assert_se(e);
- assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
- assert_se(streq_ptr(udev_list_entry_get_value(e), "hogehoge"));
- e = udev_list_entry_get_next(e);
- assert_se(e);
- assert_se(streq_ptr(udev_list_entry_get_name(e), "bbb"));
- assert_se(streq_ptr(udev_list_entry_get_value(e), "foo"));
- assert_se(!udev_list_entry_get_next(e));
-
- assert_se(!udev_list_entry_get_by_name(e, "aaa"));
- assert_se(!udev_list_entry_get_by_name(e, "bbb"));
- assert_se(!udev_list_entry_get_by_name(e, "ccc"));
- list = udev_list_free(list);
-
- /* unique == true */
- assert_se(list = udev_list_new(true));
- assert_se(udev_list_entry_add(list, "aaa", "hoge"));
- assert_se(udev_list_entry_add(list, "aaa", "hogehoge"));
- assert_se(udev_list_entry_add(list, "bbb", "foo"));
- e = udev_list_get_entry(list);
- assert_se(e);
- assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
- assert_se(streq_ptr(udev_list_entry_get_value(e), "hogehoge"));
- e = udev_list_entry_get_next(e);
- assert_se(streq_ptr(udev_list_entry_get_name(e), "bbb"));
- assert_se(streq_ptr(udev_list_entry_get_value(e), "foo"));
- assert_se(!udev_list_entry_get_next(e));
-
- e = udev_list_entry_get_by_name(e, "bbb");
- assert_se(e);
- assert_se(streq_ptr(udev_list_entry_get_name(e), "bbb"));
- assert_se(streq_ptr(udev_list_entry_get_value(e), "foo"));
- e = udev_list_entry_get_by_name(e, "aaa");
- assert_se(e);
- assert_se(streq_ptr(udev_list_entry_get_name(e), "aaa"));
- assert_se(streq_ptr(udev_list_entry_get_value(e), "hogehoge"));
- assert_se(!udev_list_entry_get_by_name(e, "ccc"));
-}
-
-static int parse_args(int argc, char *argv[], const char **syspath, const char **subsystem) {
- static const struct option options[] = {
- { "syspath", required_argument, NULL, 'p' },
- { "subsystem", required_argument, NULL, 's' },
- { "debug", no_argument, NULL, 'd' },
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, 'V' },
- { "monitor", no_argument, NULL, 'm' },
- {}
- };
- int c;
-
- while ((c = getopt_long(argc, argv, "p:s:dhVm", options, NULL)) >= 0)
- switch (c) {
- case 'p':
- *syspath = optarg;
- break;
-
- case 's':
- *subsystem = optarg;
- break;
-
- case 'd':
- log_set_max_level(LOG_DEBUG);
- break;
-
- case 'h':
- printf("--debug --syspath= --subsystem= --help\n");
- return 0;
-
- case 'V':
- printf("%s\n", GIT_VERSION);
- return 0;
-
- case 'm':
- arg_monitor = true;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option code.");
- }
-
- return 1;
-}
-
-static int run(int argc, char *argv[]) {
- _cleanup_(udev_unrefp) struct udev *udev = NULL;
-
- const char *syspath = "/devices/virtual/mem/null";
- const char *subsystem = NULL;
- int r;
-
- test_setup_logging(LOG_INFO);
-
- r = parse_args(argc, argv, &syspath, &subsystem);
- if (r <= 0)
- return r;
-
- assert_se(udev = udev_new());
-
- /* add sys path if needed */
- if (!startswith(syspath, "/sys"))
- syspath = strjoina("/sys/", syspath);
-
- test_device(udev, syspath);
- test_device_devnum(udev);
- test_device_subsys_name(udev, "block", "sda");
- test_device_subsys_name(udev, "subsystem", "pci");
- test_device_subsys_name(udev, "drivers", "scsi:sd");
- test_device_subsys_name(udev, "module", "printk");
- test_device_parents(udev, syspath);
-
- test_enumerate(udev, subsystem);
-
- test_queue(udev);
-
- test_hwdb(udev, "usb:v0D50p0011*");
-
- if (arg_monitor)
- test_monitor(udev);
-
- test_list();
-
- return 0;
-}
-
-DEFINE_MAIN_FUNCTION(run);
projects / systemd / .git / commitdiff