X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Finclude%2Fcore%2Fstore.h;h=f2e210da1723eda40e62f5b7ef2d086ba26d00e5;hb=e2fbe0efeb9be4c61911a18b337dc89ca351ca81;hp=7c6eee1c0bc801b899a8864e3baac25e6c3a1ec4;hpb=43ad58582d8be53eae16e9c2eb8601add8af0350;p=sysdb.git diff --git a/src/include/core/store.h b/src/include/core/store.h index 7c6eee1..f2e210d 100644 --- a/src/include/core/store.h +++ b/src/include/core/store.h @@ -30,8 +30,10 @@ #include "sysdb.h" #include "core/object.h" +#include "core/data.h" #include "core/time.h" #include "utils/llist.h" +#include "utils/strbuf.h" #include @@ -39,50 +41,20 @@ extern "C" { #endif -extern const sdb_type_t sdb_host_type; -extern const sdb_type_t sdb_attribute_type; -extern const sdb_type_t sdb_service_type; - -typedef struct { - sdb_object_t super; - sdb_time_t last_update; -} sdb_store_obj_t; -#define SDB_STORE_OBJ_INIT(t) { SDB_OBJECT_TYPED_INIT(t), 0 } -#define SDB_STORE_OBJ(obj) ((sdb_store_obj_t *)(obj)) -#define SDB_CONST_STORE_OBJ(obj) ((const sdb_store_obj_t *)(obj)) - -typedef struct { - sdb_store_obj_t super; - - char *hostname; -} sdb_service_t; -#define SDB_SVC_INIT { SDB_STORE_OBJ_INIT(sdb_service_type), NULL } -#define SDB_SVC(obj) ((sdb_service_t *)(obj)) -#define SDB_CONST_SVC(obj) ((const sdb_service_t *)(obj)) - -typedef struct { - sdb_store_obj_t super; - - char *attr_value; - char *hostname; -} sdb_attribute_t; -#define SDB_ATTR_INIT { SDB_STORE_OBJ_INIT(sdb_attribute_type), NULL, NULL } -#define SDB_ATTR(obj) ((sdb_attribute_t *)(obj)) -#define SDB_CONST_ATTR(obj) ((const sdb_attribute_t *)(obj)) - -typedef struct { - sdb_store_obj_t super; - - sdb_llist_t *attributes; - sdb_llist_t *services; -} sdb_host_t; -#define SDB_HOST_INIT { SDB_STORE_OBJ_INIT(sdb_host_type), NULL, NULL } -#define SDB_HOST(obj) ((sdb_host_t *)(obj)) -#define SDB_CONST_HOST(obj) ((const sdb_host_t *)(obj)) - -/* shortcuts for accessing the sdb_store_obj_t attributes of inheriting - * objects */ -#define _last_update super.last_update +/* + * sdb_store_base_t represents the super-class of any object stored in the + * database. It inherits from sdb_object_t and may safely be cast to a generic + * object to access its name. + */ +struct sdb_store_base; +typedef struct sdb_store_base sdb_store_base_t; + +/* + * sdb_store_clear: + * Clear the entire store and remove all stored objects. + */ +void +sdb_store_clear(void); /* * sdb_store_host: @@ -101,9 +73,20 @@ typedef struct { int sdb_store_host(const char *name, sdb_time_t last_update); +/* + * sdb_store_has_host: + * sdb_store_get_host: + * Query the store for a host by its (canonicalized) name. + * + * sdb_store_get_host increments the ref count of the host object. The caller + * needs to deref it when no longer using it. + */ _Bool sdb_store_has_host(const char *name); +sdb_store_base_t * +sdb_store_get_host(const char *name); + /* * sdb_store_attribute: * Add/update a host's attribute in the store. If the attribute, identified by @@ -120,7 +103,8 @@ sdb_store_has_host(const char *name); * - a negative value on error */ int -sdb_store_attribute(const char *hostname, const char *key, const char *value, +sdb_store_attribute(const char *hostname, + const char *key, const sdb_data_t *value, sdb_time_t last_update); /* @@ -140,10 +124,44 @@ sdb_store_attribute(const char *hostname, const char *key, const char *value, * - a negative value on error */ int -sdb_store_service(const sdb_service_t *svc); +sdb_store_service(const char *hostname, const char *name, + sdb_time_t last_update); + +/* + * Flags for serialization functions. + * + * By default, the full object will be included in the serialized output. When + * specifying any of the flags, the respective information will be left out. + */ +enum { + SDB_SKIP_ATTRIBUTES = 1 << 0, + SDB_SKIP_SERVICES = 1 << 1, + SDB_SKIP_SERVICE_ATTRIBUTES = 1 << 2, +}; + +/* + * sdb_store_tojson: + * Serialize the entire store to JSON and append the result to the specified + * buffer. + * + * Returns: + * - 0 on success + * - a negative value on error + */ +int +sdb_store_tojson(sdb_strbuf_t *buf, int flags); +/* + * sdb_store_host_tojson: + * Serialize a host object to JSON and append the result to the specified + * buffer. + * + * Returns: + * - 0 on success + * - a negative value on error + */ int -sdb_store_dump(FILE *fh); +sdb_store_host_tojson(sdb_store_base_t *host, sdb_strbuf_t *buf, int flags); #ifdef __cplusplus } /* extern "C" */