diff options
| -rw-r--r-- | libcgroup.h | 16 | ||||
| -rw-r--r-- | wrapper.c | 194 |
2 files changed, 210 insertions, 0 deletions
diff --git a/libcgroup.h b/libcgroup.h index 80cdfa0..5252c7f 100644 --- a/libcgroup.h +++ b/libcgroup.h @@ -189,6 +189,22 @@ int cgroup_set_uid_gid(struct cgroup *cgroup, uid_t tasks_uid, gid_t tasks_gid, uid_t control_uid, gid_t control_gid); int cgroup_get_uid_gid(struct cgroup *cgroup, uid_t *tasks_uid, gid_t *tasks_gid, uid_t *control_uid, gid_t *control_gid); +int cgroup_get_value_string(struct cgroup_controller *controller, + const char *name, char **value); +int cgroup_set_value_string(struct cgroup_controller *controller, + const char *name, const char *value); +int cgroup_get_value_int64(struct cgroup_controller *controller, + const char *name, int64_t *value); +int cgroup_set_value_int64(struct cgroup_controller *controller, + const char *name, int64_t value); +int cgroup_get_value_uint64(struct cgroup_controller *controller, + const char *name, u_int64_t *value); +int cgroup_set_value_uint64(struct cgroup_controller *controller, + const char *name, u_int64_t value); +int cgroup_get_value_bool(struct cgroup_controller *controller, + const char *name, bool *value); +int cgroup_set_value_bool(struct cgroup_controller *controller, + const char *name, bool value); __END_DECLS @@ -17,6 +17,7 @@ #include <libcgroup.h> #include <libcgroup-internal.h> +#include <inttypes.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -313,3 +314,196 @@ int cgroup_get_uid_gid(struct cgroup *cgroup, uid_t *tasks_uid, return 0; } + +struct cgroup_controller *cgroup_get_controller(struct cgroup *cgroup, + const char *name) +{ + int i; + struct cgroup_controller *cgc; + + for (i = 0; i < cgroup->index; i++) { + cgc = cgroup->controller[i]; + + if (!strcmp(cgc->name, name)) + return cgc; + } + + return NULL; +} + +int cgroup_get_value_string(struct cgroup_controller *controller, + const char *name, char **value) +{ + int i; + + for (i = 0; i < controller->index; i++) { + struct control_value *val = controller->values[i]; + + if (!strcmp(val->name, name)) { + *value = strdup(val->value); + + if (!*value) + return ECGOTHER; + + return 0; + } + } + + return ECGROUPVALUENOTEXIST; + +} + +int cgroup_set_value_string(struct cgroup_controller *controller, + const char *name, const char *value) +{ + int i; + + for (i = 0; i < controller->index; i++) { + struct control_value *val = controller->values[i]; + if (!strcmp(val->name, name)) { + strncpy(val->value, value, CG_VALUE_MAX); + return 0; + } + } + + return cgroup_add_value_string(controller, name, value); +} + +int cgroup_get_value_int64(struct cgroup_controller *controller, + const char *name, int64_t *value) +{ + int i; + + for (i = 0; i < controller->index; i++) { + struct control_value *val = controller->values[i]; + + if (!strcmp(val->name, name)) { + + if (sscanf(val->value, "%ld", value) != 1) + return ECGINVAL; + + return 0; + } + } + + return ECGROUPVALUENOTEXIST; +} + +int cgroup_set_value_int64(struct cgroup_controller *controller, + const char *name, int64_t value) +{ + int i; + unsigned ret; + + for (i = 0; i < controller->index; i++) { + struct control_value *val = controller->values[i]; + + if (!strcmp(val->name, name)) { + ret = snprintf(val->value, + sizeof(val->value), "%lu", value); + + if (ret >= sizeof(val->value) || ret < 0) + return ECGINVAL; + + return 0; + } + } + + return cgroup_add_value_int64(controller, name, value); +} + +int cgroup_get_value_uint64(struct cgroup_controller *controller, + const char *name, u_int64_t *value) +{ + int i; + + for (i = 0; i < controller->index; i++) { + struct control_value *val = controller->values[i]; + if (!strcmp(val->name, name)) { + + if (sscanf(val->value, "%lu", value) != 1) + return ECGINVAL; + + return 0; + } + } + + return ECGROUPVALUENOTEXIST; +} + +int cgroup_set_value_uint64(struct cgroup_controller *controller, + const char *name, u_int64_t value) +{ + int i; + unsigned ret; + + for (i = 0; i < controller->index; i++) { + struct control_value *val = controller->values[i]; + + if (!strcmp(val->name, name)) { + ret = snprintf(val->value, + sizeof(val->value), "%lu", value); + + if (ret >= sizeof(val->value) || ret < 0) + return ECGINVAL; + + return 0; + } + } + + return cgroup_add_value_uint64(controller, name, value); +} + +int cgroup_get_value_bool(struct cgroup_controller *controller, + const char *name, bool *value) +{ + int i; + + for (i = 0; i < controller->index; i++) { + struct control_value *val = controller->values[i]; + + if (!strcmp(val->name, name)) { + int cgc_val; + + if (sscanf(val->value, "%d", &cgc_val) != 1) + return ECGINVAL; + + if (cgc_val) + *value = true; + else + *value = false; + + return 0; + } + } + return ECGROUPVALUENOTEXIST; +} + +int cgroup_set_value_bool(struct cgroup_controller *controller, + const char *name, bool value) +{ + int i; + unsigned ret; + + for (i = 0; i < controller->index; i++) { + struct control_value *val = controller->values[i]; + + if (!strcmp(val->name, name)) { + if (value) { + ret = snprintf(val->value, + sizeof(val->value), "1"); + } else { + ret = snprintf(val->value, + sizeof(val->value), "0"); + } + + if (ret >= sizeof(val->value) || ret < 0) + return ECGINVAL; + + return 0; + + } + } + + return cgroup_add_value_bool(controller, name, value); +} |