diff options
Diffstat (limited to 'src/test/test-libudev.c')
| -rw-r--r-- | src/test/test-libudev.c | 475 |
1 files changed, 0 insertions, 475 deletions
diff --git a/src/test/test-libudev.c b/src/test/test-libudev.c deleted file mode 100644 index 2b004fdfb..000000000 --- a/src/test/test-libudev.c +++ /dev/null @@ -1,475 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ -/*** - This file is part of systemd. - - Copyright 2008-2012 Kay Sievers <kay@vrfy.org> - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <stdio.h> -#include <unistd.h> -#include <getopt.h> -#include <sys/epoll.h> - -#include "libudev.h" -#include "udev-util.h" -#include "util.h" - -#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[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_sysname(device); - printf("sysname: '%s'\n", str); - - str = udev_device_get_sysnum(device); - if (str != NULL) - printf("sysnum: '%s'\n", str); - - str = udev_device_get_devpath(device); - printf("devpath: '%s'\n", str); - - str = udev_device_get_subsystem(device); - if (str != NULL) - printf("subsystem: '%s'\n", str); - - str = udev_device_get_devtype(device); - if (str != NULL) - printf("devtype: '%s'\n", str); - - str = udev_device_get_driver(device); - 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; - udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) { - printf("link: '%s'\n", udev_list_entry_get_name(list_entry)); - count++; - } - if (count > 0) - printf("found %i links\n", count); - - count = 0; - udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) { - printf("property: '%s=%s'\n", - udev_list_entry_get_name(list_entry), - udev_list_entry_get_value(list_entry)); - count++; - } - if (count > 0) - printf("found %i properties\n", count); - - str = udev_device_get_property_value(device, "MAJOR"); - if (str != NULL) - printf("MAJOR: '%s'\n", str); - - str = udev_device_get_sysattr_value(device, "dev"); - if (str != NULL) - printf("attr{dev}: '%s'\n", str); - - printf("\n"); -} - -static int test_device(struct udev *udev, const char *syspath) { - _cleanup_udev_device_unref_ struct udev_device *device; - - printf("looking at device: %s\n", syspath); - device = udev_device_new_from_syspath(udev, syspath); - if (device == NULL) { - printf("no device found\n"); - return -1; - } - print_device(device); - - return 0; -} - -static int test_device_parents(struct udev *udev, const char *syspath) { - _cleanup_udev_device_unref_ 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; - - 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); - - return 0; -} - -static int test_device_devnum(struct udev *udev) { - 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_device_subsys_name(struct udev *udev) { - struct udev_device *device; - - printf("looking up device: 'block':'sda'\n"); - device = udev_device_new_from_subsystem_sysname(udev, "block", "sda"); - if (device == NULL) - return -1; - print_device(device); - udev_device_unref(device); - - printf("looking up device: 'subsystem':'pci'\n"); - device = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci"); - if (device == NULL) - return -1; - print_device(device); - udev_device_unref(device); - - printf("looking up device: 'drivers':'scsi:sd'\n"); - device = udev_device_new_from_subsystem_sysname(udev, "drivers", "scsi:sd"); - if (device == NULL) - return -1; - print_device(device); - udev_device_unref(device); - - printf("looking up device: 'module':'printk'\n"); - device = udev_device_new_from_subsystem_sysname(udev, "module", "printk"); - if (device == NULL) - return -1; - print_device(device); - udev_device_unref(device); - return 0; -} - -static int test_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 != NULL) { - printf("device: '%s' (%s)\n", - udev_device_get_syspath(device), - udev_device_get_subsystem(device)); - udev_device_unref(device); - count++; - } - } - printf("found %i devices\n\n", count); - return count; -} - -static int test_monitor(struct udev *udev) { - struct udev_monitor *udev_monitor = NULL; - int fd_ep; - int fd_udev = -1; - struct epoll_event ep_udev, ep_stdin; - - fd_ep = epoll_create1(EPOLL_CLOEXEC); - if (fd_ep < 0) { - printf("error creating epoll fd: %m\n"); - goto out; - } - - udev_monitor = udev_monitor_new_from_netlink(udev, "udev"); - if (udev_monitor == NULL) { - printf("no socket\n"); - goto out; - } - fd_udev = udev_monitor_get_fd(udev_monitor); - - if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "block", NULL) < 0 || - udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL) < 0 || - udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "usb", "usb_device") < 0) { - printf("filter failed\n"); - goto out; - } - - if (udev_monitor_enable_receiving(udev_monitor) < 0) { - printf("bind failed\n"); - goto out; - } - - memzero(&ep_udev, sizeof(struct epoll_event)); - ep_udev.events = EPOLLIN; - ep_udev.data.fd = fd_udev; - if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) { - printf("fail to add fd to epoll: %m\n"); - goto out; - } - - memzero(&ep_stdin, sizeof(struct epoll_event)); - ep_stdin.events = EPOLLIN; - ep_stdin.data.fd = STDIN_FILENO; - if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) < 0) { - printf("fail to add fd to epoll: %m\n"); - goto out; - } - - 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, ARRAY_SIZE(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 == NULL) { - 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"); - goto out; - } - } - } -out: - if (fd_ep >= 0) - close(fd_ep); - udev_monitor_unref(udev_monitor); - return 0; -} - -static int test_queue(struct udev *udev) { - struct udev_queue *udev_queue; - - udev_queue = udev_queue_new(udev); - if (udev_queue == NULL) - return -1; - - if (udev_queue_get_queue_is_empty(udev_queue)) - printf("queue is empty\n"); - - udev_queue_unref(udev_queue); - return 0; -} - -static int test_enumerate(struct udev *udev, const char *subsystem) { - struct udev_enumerate *udev_enumerate; - - printf("enumerate '%s'\n", subsystem == NULL ? "<all>" : 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 'net' + duplicated scan + null + zero\n"); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - 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); - 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_add_match_is_initialized(udev_enumerate); - udev_enumerate_scan_devices(udev_enumerate); - test_enumerate_print_list(udev_enumerate); - udev_enumerate_unref(udev_enumerate); - - printf("enumerate 'not 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); - - printf("enumerate 'property IF_FS_*=filesystem'\n"); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) - return -1; - udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem"); - udev_enumerate_scan_devices(udev_enumerate); - test_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; - - hwdb = udev_hwdb_new(udev); - - udev_list_entry_foreach(entry, udev_hwdb_get_properties_list_entry(hwdb, modalias, 0)) - printf("'%s'='%s'\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry)); - printf("\n"); - - hwdb = udev_hwdb_unref(hwdb); - assert_se(hwdb == NULL); -} - -int main(int argc, char *argv[]) { - struct udev *udev = NULL; - 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' }, - {} - }; - const char *syspath = "/devices/virtual/mem/null"; - const char *subsystem = NULL; - char path[1024]; - int c; - - udev = udev_new(); - printf("context: %p\n", udev); - if (udev == NULL) { - printf("no context\n"); - return 1; - } - - while ((c = getopt_long(argc, argv, "p:s:dhV", options, NULL)) >= 0) - switch (c) { - - case 'p': - syspath = optarg; - break; - - case 's': - subsystem = optarg; - break; - - case 'd': - if (log_get_max_level() < LOG_INFO) - log_set_max_level(LOG_INFO); - break; - - case 'h': - printf("--debug --syspath= --subsystem= --help\n"); - goto out; - - case 'V': - printf("%s\n", VERSION); - goto out; - - case '?': - goto out; - - default: - assert_not_reached("Unhandled option code."); - } - - - /* add sys path if needed */ - if (!startswith(syspath, "/sys")) { - snprintf(path, sizeof(path), "/sys/%s", syspath); - syspath = path; - } - - test_device(udev, syspath); - test_device_devnum(udev); - test_device_subsys_name(udev); - test_device_parents(udev, syspath); - - test_enumerate(udev, subsystem); - - test_queue(udev); - - test_hwdb(udev, "usb:v0D50p0011*"); - - test_monitor(udev); -out: - udev_unref(udev); - return 0; -} |