diff options
Diffstat (limited to 'device.c')
| -rw-r--r-- | device.c | 94 |
1 files changed, 69 insertions, 25 deletions
@@ -114,11 +114,34 @@ static int device_add_escaped_name(Unit *u, const char *dn, bool make_id) { return 0; } +static int device_find_escape_name(Manager *m, const char *dn, Unit **_u) { + char *e; + Unit *u; + + assert(m); + assert(dn); + assert(dn[0] == '/'); + assert(_u); + + if (!(e = unit_name_escape_path(dn+1, ".device"))) + return -ENOMEM; + + u = manager_get_unit(m, e); + free(e); + + if (u) { + *_u = u; + return 1; + } + + return 0; +} + static int device_process_new_device(Manager *m, struct udev_device *dev, bool update_state) { - const char *dn, *names, *wants, *sysfs, *expose; + const char *dn, *names, *wants, *sysfs, *expose, *model; Unit *u = NULL; int r; - char *e, *w, *state; + char *w, *state; size_t l; bool delete; struct udev_list_entry *item = NULL, *first = NULL; @@ -151,24 +174,39 @@ static int device_process_new_device(Manager *m, struct udev_device *dev, bool u /* Ok, seems kinda interesting. Now, let's see if this one * already exists. */ - assert(sysfs[0] == '/'); - if (!(e = unit_name_escape_path(sysfs+1, ".device"))) - return -ENOMEM; + if ((r = device_find_escape_name(m, sysfs, &u)) < 0) + return r; - if (!(u = manager_get_unit(m, e))) { - const char *model; + if (r == 0 && dn) + if ((r = device_find_escape_name(m, dn, &u)) < 0) + return r; - delete = true; + if (r == 0) { + first = udev_device_get_devlinks_list_entry(dev); + udev_list_entry_foreach(item, first) { + if ((r = device_find_escape_name(m, udev_list_entry_get_name(item), &u)) < 0) + return r; - if (!(u = unit_new(m))) { - free(e); - return -ENOMEM; + if (r > 0) + break; } + } + + /* FIXME: this needs proper merging */ + + assert((r > 0) == !!u); - r = unit_add_name(u, e); - free(e); + /* If this is a different unit, then let's not merge things */ + if (u && DEVICE(u)->sysfs && !streq(DEVICE(u)->sysfs, sysfs)) + u = NULL; - if (r < 0) + if (!u) { + delete = true; + + if (!(u = unit_new(m))) + return -ENOMEM; + + if ((r = device_add_escaped_name(u, sysfs, true)) < 0) goto fail; if (!(DEVICE(u)->sysfs = strdup(sysfs))) { @@ -176,19 +214,9 @@ static int device_process_new_device(Manager *m, struct udev_device *dev, bool u goto fail; } - if ((model = udev_device_get_property_value(dev, "ID_MODEL_FROM_DATABASE")) || - (model = udev_device_get_property_value(dev, "ID_MODEL"))) { - if ((r = unit_set_description(u, model)) < 0) - goto fail; - } else if (dn) - if ((r = unit_set_description(u, dn)) < 0) - goto fail; - unit_add_to_load_queue(u); - } else { + } else delete = false; - free(e); - } if (dn) if ((r = device_add_escaped_name(u, dn, true)) < 0) @@ -199,8 +227,22 @@ static int device_process_new_device(Manager *m, struct udev_device *dev, bool u if ((r = device_add_escaped_name(u, udev_list_entry_get_name(item), false)) < 0) goto fail; + if ((model = udev_device_get_property_value(dev, "ID_MODEL_FROM_DATABASE")) || + (model = udev_device_get_property_value(dev, "ID_MODEL"))) { + if ((r = unit_set_description(u, model)) < 0) + goto fail; + } else if (dn) + if ((r = unit_set_description(u, dn)) < 0) + goto fail; + + /* We don't remove names that are gone. But that should be + * fine and should probably be fixed only on a configuration + * refresh. */ + if (names) { FOREACH_WORD(w, l, names, state) { + char *e; + if (!(e = strndup(w, l))) { r = -ENOMEM; goto fail; @@ -216,6 +258,8 @@ static int device_process_new_device(Manager *m, struct udev_device *dev, bool u if (wants) { FOREACH_WORD(w, l, wants, state) { + char *e; + if (!(e = strndup(w, l))) { r = -ENOMEM; goto fail; |