merge udev/, libudev/, systemd/ files in src/; move extras/ to src/

1 files changed, 501 insertions, 0 deletions

diff --git a/src/test-libudev.c b/src/test-libudev.c
new file mode 100644
index 0000000000..c325f8eef5
--- /dev/null
+++ b/src/test-libudev.c
@@ -0,0 +1,501 @@
+/*
+ * test-libudev
+ *
+ * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ * This library 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.
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <getopt.h>
+#include <syslog.h>
+#include <fcntl.h>
+#include <sys/epoll.h>
+
+#include "libudev.h"
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+static void log_fn(struct udev *udev,
+		   int priority, const char *file, int line, const char *fn,
+		   const char *format, va_list args)
+{
+	printf("test-libudev: %s %s:%d ", fn, file, line);
+	vprintf(format, args);
+}
+
+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)
+{
+	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);
+	udev_device_unref(device);
+	return 0;
+}
+
+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", 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);
+
+	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;
+	}
+
+	memset(&ep_udev, 0, 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;
+	}
+
+	memset(&ep_stdin, 0, 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;
+	unsigned long long int seqnum;
+	struct udev_list_entry *list_entry;
+
+	udev_queue = udev_queue_new(udev);
+	if (udev_queue == NULL)
+		return -1;
+	seqnum = udev_queue_get_kernel_seqnum(udev_queue);
+	printf("seqnum kernel: %llu\n", seqnum);
+	seqnum = udev_queue_get_udev_seqnum(udev_queue);
+	printf("seqnum udev  : %llu\n", seqnum);
+
+	if (udev_queue_get_queue_is_empty(udev_queue))
+		printf("queue is empty\n");
+	printf("get queue list\n");
+	udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
+		printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+	printf("\n");
+	printf("get queue list again\n");
+	udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
+		printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+	printf("\n");
+
+	list_entry = udev_queue_get_queued_list_entry(udev_queue);
+	if (list_entry != NULL) {
+		printf("event [%llu] is queued\n", seqnum);
+		seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10);
+		if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum))
+			printf("event [%llu] is not finished\n", seqnum);
+		else
+			printf("event [%llu] is finished\n", seqnum);
+	}
+	printf("\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;
+}
+
+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];
+	const char *str;
+
+	udev = udev_new();
+	printf("context: %p\n", udev);
+	if (udev == NULL) {
+		printf("no context\n");
+		return 1;
+	}
+	udev_set_log_fn(udev, log_fn);
+	printf("set log: %p\n", log_fn);
+
+	for (;;) {
+		int option;
+
+		option = getopt_long(argc, argv, "+p:s:dhV", options, NULL);
+		if (option == -1)
+			break;
+
+		switch (option) {
+		case 'p':
+			syspath = optarg;
+			break;
+		case 's':
+			subsystem = 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= --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);
+
+	/* 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_subsys_name(udev);
+	test_device_parents(udev, syspath);
+
+	test_enumerate(udev, subsystem);
+
+	test_queue(udev);
+
+	test_monitor(udev);
+out:
+	udev_unref(udev);
+	return 0;
+}