repository: introduce parsed objects field
[gitweb.git] / object.c
index e6ad3f61f03a98aa82dd901d96cbc230381c2e90..f7c624a7ba66280ac2609b61e06feec49072da03 100644 (file)
--- a/object.c
+++ b/object.c
@@ -1,21 +1,21 @@
 #include "cache.h"
 #include "object.h"
+#include "replace-object.h"
 #include "blob.h"
 #include "tree.h"
 #include "commit.h"
 #include "tag.h"
-
-static struct object **obj_hash;
-static int nr_objs, obj_hash_size;
+#include "object-store.h"
+#include "packfile.h"
 
 unsigned int get_max_object_index(void)
 {
-       return obj_hash_size;
+       return the_repository->parsed_objects->obj_hash_size;
 }
 
 struct object *get_indexed_object(unsigned int idx)
 {
-       return obj_hash[idx];
+       return the_repository->parsed_objects->obj_hash[idx];
 }
 
 static const char *object_type_strings[] = {
@@ -87,15 +87,16 @@ struct object *lookup_object(const unsigned char *sha1)
        unsigned int i, first;
        struct object *obj;
 
-       if (!obj_hash)
+       if (!the_repository->parsed_objects->obj_hash)
                return NULL;
 
-       first = i = hash_obj(sha1, obj_hash_size);
-       while ((obj = obj_hash[i]) != NULL) {
+       first = i = hash_obj(sha1,
+                            the_repository->parsed_objects->obj_hash_size);
+       while ((obj = the_repository->parsed_objects->obj_hash[i]) != NULL) {
                if (!hashcmp(sha1, obj->oid.hash))
                        break;
                i++;
-               if (i == obj_hash_size)
+               if (i == the_repository->parsed_objects->obj_hash_size)
                        i = 0;
        }
        if (obj && i != first) {
@@ -104,7 +105,8 @@ struct object *lookup_object(const unsigned char *sha1)
                 * that we do not need to walk the hash table the next
                 * time we look for it.
                 */
-               SWAP(obj_hash[i], obj_hash[first]);
+               SWAP(the_repository->parsed_objects->obj_hash[i],
+                    the_repository->parsed_objects->obj_hash[first]);
        }
        return obj;
 }
@@ -121,19 +123,19 @@ static void grow_object_hash(void)
         * Note that this size must always be power-of-2 to match hash_obj
         * above.
         */
-       int new_hash_size = obj_hash_size < 32 ? 32 : 2 * obj_hash_size;
+       int new_hash_size = the_repository->parsed_objects->obj_hash_size < 32 ? 32 : 2 * the_repository->parsed_objects->obj_hash_size;
        struct object **new_hash;
 
        new_hash = xcalloc(new_hash_size, sizeof(struct object *));
-       for (i = 0; i < obj_hash_size; i++) {
-               struct object *obj = obj_hash[i];
+       for (i = 0; i < the_repository->parsed_objects->obj_hash_size; i++) {
+               struct object *obj = the_repository->parsed_objects->obj_hash[i];
                if (!obj)
                        continue;
                insert_obj_hash(obj, new_hash, new_hash_size);
        }
-       free(obj_hash);
-       obj_hash = new_hash;
-       obj_hash_size = new_hash_size;
+       free(the_repository->parsed_objects->obj_hash);
+       the_repository->parsed_objects->obj_hash = new_hash;
+       the_repository->parsed_objects->obj_hash_size = new_hash_size;
 }
 
 void *create_object(const unsigned char *sha1, void *o)
@@ -144,11 +146,12 @@ void *create_object(const unsigned char *sha1, void *o)
        obj->flags = 0;
        hashcpy(obj->oid.hash, sha1);
 
-       if (obj_hash_size - 1 <= nr_objs * 2)
+       if (the_repository->parsed_objects->obj_hash_size - 1 <= the_repository->parsed_objects->nr_objs * 2)
                grow_object_hash();
 
-       insert_obj_hash(obj, obj_hash, obj_hash_size);
-       nr_objs++;
+       insert_obj_hash(obj, the_repository->parsed_objects->obj_hash,
+                       the_repository->parsed_objects->obj_hash_size);
+       the_repository->parsed_objects->nr_objs++;
        return obj;
 }
 
@@ -244,7 +247,7 @@ struct object *parse_object(const struct object_id *oid)
        unsigned long size;
        enum object_type type;
        int eaten;
-       const unsigned char *repl = lookup_replace_object(oid->hash);
+       const struct object_id *repl = lookup_replace_object(the_repository, oid);
        void *buffer;
        struct object *obj;
 
@@ -254,8 +257,8 @@ struct object *parse_object(const struct object_id *oid)
 
        if ((obj && obj->type == OBJ_BLOB && has_object_file(oid)) ||
            (!obj && has_object_file(oid) &&
-            sha1_object_info(oid->hash, NULL) == OBJ_BLOB)) {
-               if (check_sha1_signature(repl, NULL, 0, NULL) < 0) {
+            oid_object_info(the_repository, oid, NULL) == OBJ_BLOB)) {
+               if (check_object_signature(repl, NULL, 0, NULL) < 0) {
                        error("sha1 mismatch %s", oid_to_hex(oid));
                        return NULL;
                }
@@ -263,11 +266,11 @@ struct object *parse_object(const struct object_id *oid)
                return lookup_object(oid->hash);
        }
 
-       buffer = read_sha1_file(oid->hash, &type, &size);
+       buffer = read_object_file(oid, &type, &size);
        if (buffer) {
-               if (check_sha1_signature(repl, buffer, size, type_name(type)) < 0) {
+               if (check_object_signature(repl, buffer, size, type_name(type)) < 0) {
                        free(buffer);
-                       error("sha1 mismatch %s", sha1_to_hex(repl));
+                       error("sha1 mismatch %s", oid_to_hex(repl));
                        return NULL;
                }
 
@@ -428,8 +431,8 @@ void clear_object_flags(unsigned flags)
 {
        int i;
 
-       for (i=0; i < obj_hash_size; i++) {
-               struct object *obj = obj_hash[i];
+       for (i=0; i < the_repository->parsed_objects->obj_hash_size; i++) {
+               struct object *obj = the_repository->parsed_objects->obj_hash[i];
                if (obj)
                        obj->flags &= ~flags;
        }
@@ -439,9 +442,66 @@ void clear_commit_marks_all(unsigned int flags)
 {
        int i;
 
-       for (i = 0; i < obj_hash_size; i++) {
-               struct object *obj = obj_hash[i];
+       for (i = 0; i < the_repository->parsed_objects->obj_hash_size; i++) {
+               struct object *obj = the_repository->parsed_objects->obj_hash[i];
                if (obj && obj->type == OBJ_COMMIT)
                        obj->flags &= ~flags;
        }
 }
+
+struct parsed_object_pool *parsed_object_pool_new(void)
+{
+       struct parsed_object_pool *o = xmalloc(sizeof(*o));
+       memset(o, 0, sizeof(*o));
+       return o;
+}
+
+struct raw_object_store *raw_object_store_new(void)
+{
+       struct raw_object_store *o = xmalloc(sizeof(*o));
+
+       memset(o, 0, sizeof(*o));
+       INIT_LIST_HEAD(&o->packed_git_mru);
+       return o;
+}
+
+static void free_alt_odb(struct alternate_object_database *alt)
+{
+       strbuf_release(&alt->scratch);
+       oid_array_clear(&alt->loose_objects_cache);
+       free(alt);
+}
+
+static void free_alt_odbs(struct raw_object_store *o)
+{
+       while (o->alt_odb_list) {
+               struct alternate_object_database *next;
+
+               next = o->alt_odb_list->next;
+               free_alt_odb(o->alt_odb_list);
+               o->alt_odb_list = next;
+       }
+}
+
+void raw_object_store_clear(struct raw_object_store *o)
+{
+       FREE_AND_NULL(o->objectdir);
+       FREE_AND_NULL(o->alternate_db);
+
+       free_alt_odbs(o);
+       o->alt_odb_tail = NULL;
+
+       INIT_LIST_HEAD(&o->packed_git_mru);
+       close_all_packs(o);
+       o->packed_git = NULL;
+}
+
+void parsed_object_pool_clear(struct parsed_object_pool *o)
+{
+       /*
+        * TOOD free objects in o->obj_hash.
+        *
+        * As objects are allocated in slabs (see alloc.c), we do
+        * not need to free each object, but each slab instead.
+        */
+}