X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev%2Flib%2Ftest-libudev.c;h=421d0511a122e2d2361b974dee773847bbc301e5;hb=04f5d75f0cfaf82e1bbdec5e398e95b3d6f3f16d;hp=d0095f15fc5828cc9cab1a1971b671be93eb678f;hpb=11d543c1ee886ef30c3ef66d7176149d0b126fa5;p=elogind.git diff --git a/udev/lib/test-libudev.c b/udev/lib/test-libudev.c index d0095f15f..421d0511a 100644 --- a/udev/lib/test-libudev.c +++ b/udev/lib/test-libudev.c @@ -17,13 +17,14 @@ * along with this program. If not, see . */ -#include "config.h" - #include #include #include #include #include +#include +#include +#include #include #include "libudev.h" @@ -36,45 +37,59 @@ 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 *list; 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_syspath(device); - printf("syspath: '%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); + devnum = udev_device_get_devnum(device); + printf("devnum: %u:%u\n", major(devnum), minor(devnum)); + + count = 0; + list = udev_device_get_devlinks_list(device); + while (list != NULL) { + printf("link: '%s'\n", udev_list_get_name(list)); + count++; + list = udev_list_get_next(list); + } printf("found %i links\n", count); - count = udev_device_get_properties(device, print_properties_cb, NULL); + + count = 0; + list = udev_device_get_properties_list(device); + while (list != NULL) { + printf("property: '%s=%s'\n", udev_list_get_name(list), udev_list_get_value(list)); + count++; + list = udev_list_get_next(list); + } printf("found %i properties\n", count); + + str = udev_device_get_attr_value(device, "dev"); + printf("attr{dev}: '%s'\n", str); + 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; @@ -84,19 +99,73 @@ 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) +{ + 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) { - 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) { - int count; + struct udev_enumerate *enumerate; + struct udev_list *list; + int count = 0; - count = udev_devices_enumerate(udev, subsystem, devices_enum_cb, NULL); + enumerate = udev_enumerate_new_from_subsystems(udev, NULL); + if (enumerate == NULL) + return -1; + list = udev_enumerate_get_devices_list(enumerate); + while (list != NULL) { + struct udev_device *device; + + device = udev_device_new_from_syspath(udev, udev_list_get_name(list)); + 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++; + } + list = udev_list_get_next(list); + } + udev_enumerate_unref(enumerate); printf("found %i devices\n\n", count); return count; } @@ -112,6 +181,10 @@ 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); @@ -128,7 +201,7 @@ 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; @@ -149,20 +222,22 @@ 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) { @@ -172,15 +247,55 @@ 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_devnum(udev); + test_device_parents(udev, syspath); test_enumerate(udev, subsystem); test_monitor(udev, socket); - +out: udev_unref(udev); return 0; }