Store and load binary contents on demand.

1 files changed, 83 insertions, 32 deletions

diff --git a/plugins/pychrysalide/analysis/storage/storage.c b/plugins/pychrysalide/analysis/storage/storage.c
index 107980e..7c03be0 100644
--- a/plugins/pychrysalide/analysis/storage/storage.c
+++ b/plugins/pychrysalide/analysis/storage/storage.c
@@ -33,7 +33,6 @@
 
 
 #include "serialize.h"
-#include "../loaded.h"
 #include "../../access.h"
 #include "../../helpers.h"
 #include "../../common/packed.h"
@@ -54,8 +53,11 @@ static int py_object_storage_init(PyObject *, PyObject *, PyObject *);
 /* -------------------------- TAMPON POUR CODE DESASSEMBLE -------------------------- */
 
 
-/* Ajoute le support d'un nouveau groupe d'objets construits. */
-static PyObject *py_object_storage_add_backend(PyObject *, PyObject *);
+/* Charge le support d'une conservation d'objets en place. */
+static PyObject *py_object_storage_load(PyObject *, PyObject *);
+
+/* Sauvegarde le support d'une conservation d'objets en place. */
+static PyObject *py_object_storage_store(PyObject *, PyObject *);
 
 /* Charge un objet à partir de données rassemblées. */
 static PyObject *py_object_storage_load_object(PyObject *, PyObject *);
@@ -152,7 +154,7 @@ static PyObject *py_object_storage_new(PyTypeObject *type, PyObject *args, PyObj
 
 static int py_object_storage_init(PyObject *self, PyObject *args, PyObject *kwds)
 {
-    GLoadedContent *loaded;                 /* Contenu chargé et traité    */
+    const char *hash;                       /* Empreinte de contenu        */
     int ret;                                /* Bilan de lecture des args.  */
     GObjectStorage *storage;                /* Mécanismes natifs           */
 
@@ -162,14 +164,14 @@ static int py_object_storage_init(PyObject *self, PyObject *args, PyObject *kwds
     "\n"                                                                \
     "Instances can be created using the following constructor:\n"       \
     "\n"                                                                \
-    "    ObjectStorage(loaded)"                                         \
+    "    ObjectStorage(hash)"                                           \
     "\n"                                                                \
-    "Where *loaded* is a pychrysalide.analysis.LoadedContent instance"  \
-    " linked to the objects which can apply for a storage process."
+    "Where *hash* should a string built from the checksum of the"       \
+    " relative binary content linked to the storage.pychrysalide."
 
     /* Récupération des paramètres */
 
-    ret = PyArg_ParseTuple(args, "O&", convert_to_loaded_content, &loaded);
+    ret = PyArg_ParseTuple(args, "s", &hash);
     if (!ret) return -1;
 
     /* Initialisation d'un objet GLib */
@@ -181,8 +183,7 @@ static int py_object_storage_init(PyObject *self, PyObject *args, PyObject *kwds
 
     storage = G_OBJECT_STORAGE(pygobject_get(self));
 
-    storage->loaded = loaded;
-    g_object_ref(G_OBJECT(loaded));
+    storage->hash = strdup(hash);
 
     return 0;
 
@@ -200,7 +201,61 @@ static int py_object_storage_init(PyObject *self, PyObject *args, PyObject *kwds
 *  Paramètres  : self = classe représentant une mémorisation de types.        *
 *                args = arguments fournis à l'appel.                          *
 *                                                                             *
-*  Description : Ajoute le support d'un nouveau groupe d'objets construits.   *
+*  Description : Charge le support d'une conservation d'objets en place.      *
+*                                                                             *
+*  Retour      : Gestionnaire de conservations construit ou None si erreur.   *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_object_storage_load(PyObject *self, PyObject *args)
+{
+    PyObject *result;                       /* Emplacement à retourner     */
+    packed_buffer_t *pbuf;                  /* Tampon de données à employer*/
+    int ret;                                /* Bilan de lecture des args.  */
+    GObjectStorage *storage;                /* Mécanismes natifs           */
+
+#define OBJECT_STORAGE_LOAD_METHOD PYTHON_METHOD_DEF                    \
+(                                                                       \
+    load, "pbuf, /",                                                    \
+    METH_STATIC | METH_VARARGS, py_object_storage,                      \
+    "Construct a new storage from a buffer.\n"                          \
+    "\n"                                                                \
+    "The *pbuf* has to be an instance of type"                          \
+    " pychrysalide.common.PackedBuffer.\n"                              \
+    "\n"                                                                \
+    "The result is a new pychrysalide.analysis.storage.ObjectStorage"   \
+    " object on success, *None* otherwise."                             \
+)
+
+    ret = PyArg_ParseTuple(args, "O&", convert_to_packed_buffer, &pbuf);
+    if (!ret) return NULL;
+
+    storage = g_object_storage_load(pbuf);
+
+    if (storage == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+    else
+    {
+        result = pygobject_new(G_OBJECT(storage));
+        g_object_unref(G_OBJECT(storage));
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = classe représentant une mémorisation de types.        *
+*                args = arguments fournis à l'appel.                          *
+*                                                                             *
+*  Description : Sauvegarde le support d'une conservation d'objets en place.  *
 *                                                                             *
 *  Retour      : Bilan de l'opération.                                        *
 *                                                                             *
@@ -208,37 +263,32 @@ static int py_object_storage_init(PyObject *self, PyObject *args, PyObject *kwds
 *                                                                             *
 ******************************************************************************/
 
-static PyObject *py_object_storage_add_backend(PyObject *self, PyObject *args)
+static PyObject *py_object_storage_store(PyObject *self, PyObject *args)
 {
-    PyObject *result;                       /* Bilan à retourner           */
-    const char *name;                       /* Désignation de groupe       */
-    const char *filename;                   /* Nom de fichier à associer   */
+    PyObject *result;                       /* Emplacement à retourner     */
+    packed_buffer_t *pbuf;                  /* Tampon de données à employer*/
     int ret;                                /* Bilan de lecture des args.  */
     GObjectStorage *storage;                /* Mécanismes natifs           */
     bool status;                            /* Bilan de l'opération        */
 
-#define OBJECT_STORAGE_ADD_BACKEND_METHOD PYTHON_METHOD_DEF         \
-(                                                                   \
-    add_backend, "$self, name, /, filename",                        \
-    METH_VARARGS, py_object_storage,                                \
-    "Add storage support for a new kind of GLib objects.\n"         \
-    "\n"                                                            \
-    "The *name* is a string label for the group of target objects"  \
-    " and the optional *filename* points to a file used to load"    \
-    " objects.\n"                                                   \
-    "\n"                                                            \
-    "The result is a boolean value indicating the status of"        \
-    " the operation: True for success, False for failure."          \
+#define OBJECT_STORAGE_STORE_METHOD PYTHON_METHOD_DEF       \
+(                                                           \
+    store, "$self, pbuf, /",                                \
+    METH_VARARGS, py_object_storage,                        \
+    "Save a storage into a buffer.\n"                       \
+    "\n"                                                    \
+    "The *pbuf* has to be an instance of type"              \
+    " pychrysalide.common.PackedBuffer.\n"                  \
+    "\n"                                                    \
+    "The result is *True* on success, *False* otherwise."   \
 )
 
-    filename = NULL;
-
-    ret = PyArg_ParseTuple(args, "s|s", &name, &filename);
+    ret = PyArg_ParseTuple(args, "O&", convert_to_packed_buffer, &pbuf);
     if (!ret) return NULL;
 
     storage = G_OBJECT_STORAGE(pygobject_get(self));
 
-    status = g_object_storage_add_backend(storage, name, filename);
+    status = g_object_storage_store(storage, pbuf);
 
     result = status ? Py_True : Py_False;
     Py_INCREF(result);
@@ -488,7 +538,8 @@ static PyObject *py_object_storage_pack_object(PyObject *self, PyObject *args)
 PyTypeObject *get_python_object_storage_type(void)
 {
     static PyMethodDef py_object_storage_methods[] = {
-        OBJECT_STORAGE_ADD_BACKEND_METHOD,
+        OBJECT_STORAGE_LOAD_METHOD,
+        OBJECT_STORAGE_STORE_METHOD,
         OBJECT_STORAGE_LOAD_OBJECT_METHOD,
         OBJECT_STORAGE_UNPACK_OBJECT_METHOD,
         OBJECT_STORAGE_STORE_OBJECT_METHOD,