int device_ensure_usec_initialized(sd_device *device, sd_device *device_old) {
usec_t when;
assert(device);
if (device_old && device_old->usec_initialized > 0)
when = device_old->usec_initialized;
else
when = now(CLOCK_MONOTONIC);
return device_set_usec_initialized(device, when);
}
static int handle_db_line(sd_device *device, char key, const char *value) {
char *path;
int r;
assert(device);
assert(value);
switch (key) {
case 'S':
path = strjoina("/dev/", value);
r = device_add_devlink(device, path);
if (r < 0)
return r;
break;
case 'L':
r = safe_atoi(value, &device->devlink_priority);
if (r < 0)
return r;
break;
case 'E':
r = device_add_property_internal_from_string(device, value);
if (r < 0)
return r;
break;
case 'G':
r = device_add_tag(device, value);
if (r < 0)
return r;
break;
case 'W':
r = safe_atoi(value, &device->watch_handle);
if (r < 0)
return r;
break;
case 'I':
r = device_set_usec_initialized(device, value);
if (r < 0)
return r;
break;
default:
log_debug("device db: unknown key '%c'", key);
}
return 0;
}
int device_ensure_usec_initialized(sd_device *device, sd_device *device_old) {
char num[DECIMAL_STR_MAX(usec_t)];
usec_t usec_initialized;
int r;
assert(device);
if (device_old && device_old->usec_initialized > 0)
usec_initialized = device_old->usec_initialized;
else
usec_initialized = now(CLOCK_MONOTONIC);
r = snprintf(num, sizeof(num), USEC_FMT, usec_initialized);
if (r < 0)
return -errno;
r = device_set_usec_initialized(device, num);
if (r < 0)
return r;
return 0;
}
static int device_amend(sd_device *device, const char *key, const char *value) {
int r;
assert(device);
assert(key);
assert(value);
if (streq(key, "DEVPATH")) {
char *path;
path = strjoina("/sys", value);
/* the caller must verify or trust this data (e.g., if it comes from the kernel) */
r = device_set_syspath(device, path, false);
if (r < 0)
return log_debug_errno(r, "sd-device: could not set syspath to '%s': %m", path);
} else if (streq(key, "SUBSYSTEM")) {
r = device_set_subsystem(device, value);
if (r < 0)
return log_debug_errno(r, "sd-device: could not set subsystem to '%s': %m", value);
} else if (streq(key, "DEVTYPE")) {
r = device_set_devtype(device, value);
if (r < 0)
return log_debug_errno(r, "sd-device: could not set devtype to '%s': %m", value);
} else if (streq(key, "DEVNAME")) {
r = device_set_devname(device, value);
if (r < 0)
return log_debug_errno(r, "sd-device: could not set devname to '%s': %m", value);
} else if (streq(key, "USEC_INITIALIZED")) {
r = device_set_usec_initialized(device, value);
if (r < 0)
return log_debug_errno(r, "sd-device: could not set usec-initialized to '%s': %m", value);
} else if (streq(key, "DRIVER")) {
r = device_set_driver(device, value);
if (r < 0)
return log_debug_errno(r, "sd-device: could not set driver to '%s': %m", value);
} else if (streq(key, "IFINDEX")) {
r = device_set_ifindex(device, value);
if (r < 0)
return log_debug_errno(r, "sd-device: could not set ifindex to '%s': %m", value);
} else if (streq(key, "DEVMODE")) {
r = device_set_devmode(device, value);
if (r < 0)
return log_debug_errno(r, "sd-device: could not set devmode to '%s': %m", value);
} else if (streq(key, "DEVUID")) {
r = device_set_devuid(device, value);
if (r < 0)
return log_debug_errno(r, "sd-device: could not set devuid to '%s': %m", value);
} else if (streq(key, "DEVGID")) {
r = device_set_devgid(device, value);
if (r < 0)
return log_debug_errno(r, "sd-device: could not set devgid to '%s': %m", value);
} else if (streq(key, "DEVLINKS")) {
const char *word, *state;
size_t l;
FOREACH_WORD(word, l, value, state) {
char devlink[l + 1];
strncpy(devlink, word, l);
devlink[l] = '\0';
r = device_add_devlink(device, devlink);
if (r < 0)
return log_debug_errno(r, "sd-device: could not add devlink '%s': %m", devlink);
}
} else if (streq(key, "TAGS")) {
