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-rw-r--r--common/collection/collection.c49
-rw-r--r--common/collection/collection.h6
-rw-r--r--common/collection/collection_ut.c13
3 files changed, 47 insertions, 21 deletions
diff --git a/common/collection/collection.c b/common/collection/collection.c
index 27dee8364..c8a007795 100644
--- a/common/collection/collection.c
+++ b/common/collection/collection.c
@@ -1171,7 +1171,9 @@ static void col_delete_collection(struct collection_item *ci)
return;
}
- TRACE_INFO_STRING("Real work to do","");
+ TRACE_INFO_STRING("Real work to do", "");
+ TRACE_INFO_STRING("Property", ci->property);
+ TRACE_INFO_NUMBER("Next item", ci->next);
col_delete_collection(ci->next);
@@ -2247,8 +2249,11 @@ void col_destroy_collection(struct collection_item *ci)
return;
}
+ TRACE_INFO_STRING("Name:", ci->property);
+
/* Collection can be referenced by other collection */
header = (struct collection_header *)(ci->data);
+ TRACE_INFO_NUMBER("Reference count:", header->reference_count);
if (header->reference_count > 1) {
TRACE_INFO_STRING("Dereferencing a referenced collection.", "");
header->reference_count--;
@@ -2376,29 +2381,35 @@ int col_get_collection_reference(struct collection_item *ci,
if ((ci == NULL) ||
(ci->type != COL_TYPE_COLLECTION) ||
- (acceptor == NULL) ||
- (collection_to_find == NULL)) {
+ (acceptor == NULL)) {
TRACE_ERROR_NUMBER("Invalid parameter - returning error",EINVAL);
return EINVAL;
}
- /* Find a sub collection */
- TRACE_INFO_STRING("We are given subcollection name - search it:",
- collection_to_find);
- error = col_find_item_and_do(ci, collection_to_find,
- COL_TYPE_COLLECTIONREF,
- COL_TRAVERSE_DEFAULT,
- col_get_subcollection,
- (void *)(&subcollection),
- COLLECTION_ACTION_FIND);
- if (error) {
- TRACE_ERROR_NUMBER("Search failed returning error", error);
- return error;
- }
+ if (collection_to_find) {
+ /* Find a sub collection */
+ TRACE_INFO_STRING("We are given subcollection name - search it:",
+ collection_to_find);
+ error = col_find_item_and_do(ci, collection_to_find,
+ COL_TYPE_COLLECTIONREF,
+ COL_TRAVERSE_DEFAULT,
+ col_get_subcollection,
+ (void *)(&subcollection),
+ COLLECTION_ACTION_FIND);
+ if (error) {
+ TRACE_ERROR_NUMBER("Search failed returning error", error);
+ return error;
+ }
- if (subcollection == NULL) {
- TRACE_ERROR_STRING("Search for subcollection returned NULL pointer", "");
- return ENOENT;
+ if (subcollection == NULL) {
+ TRACE_ERROR_STRING("Search for subcollection returned NULL pointer", "");
+ return ENOENT;
+ }
+ }
+ else {
+ /* Create reference to the same collection */
+ TRACE_INFO_STRING("Creating reference to the top level collection.", "");
+ subcollection = ci;
}
header = (struct collection_header *)subcollection->data;
diff --git a/common/collection/collection.h b/common/collection/collection.h
index 2e2fe642f..665d5f00c 100644
--- a/common/collection/collection.h
+++ b/common/collection/collection.h
@@ -686,8 +686,10 @@ int col_is_item_in_collection(struct collection_item *ci, /* Collection to fin
int *found); /* Boolean that turns to nonzero if the match is found */
-/* Get collection - get a pointer to a collection included into another collection */
-/* Delete extracted collection after use to decrease reference count. */
+/* Get collection - get a pointer to a collection included into another collection.
+ * If the collection_to_find is NULL function reterns a reference to the top level collection.
+ * Delete extracted collection after use to decrease reference count.
+ */
int col_get_collection_reference(struct collection_item *ci, /* High level collection */
struct collection_item **acceptor, /* The pointer that will accept extracted handle */
const char *collection_to_find); /* Name to of the collection */
diff --git a/common/collection/collection_ut.c b/common/collection/collection_ut.c
index 1e91c2326..86620550d 100644
--- a/common/collection/collection_ut.c
+++ b/common/collection/collection_ut.c
@@ -33,6 +33,7 @@ int ref_collection_test(void)
{
struct collection_item *peer = NULL;
struct collection_item *socket = NULL;
+ struct collection_item *socket2 = NULL;
char binary_dump[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
int error = EOK;
@@ -98,7 +99,19 @@ int ref_collection_test(void)
col_destroy_collection(peer);
col_debug_collection(socket, COL_TRAVERSE_DEFAULT);
+
+ error = col_get_collection_reference(socket, &socket2, NULL);
+ if (error) {
+ col_destroy_collection(socket);
+ printf("Failed to extract collection. Error %d\n", error);
+ return error;
+ }
+
+ col_debug_collection(socket2, COL_TRAVERSE_DEFAULT);
col_destroy_collection(socket);
+ col_debug_collection(socket2, COL_TRAVERSE_DEFAULT);
+ col_destroy_collection(socket2);
+
TRACE_FLOW_NUMBER("ref_collection_test. Returning", error);
printf("\n\nEND OF REF TEST!!!.\n\n\n");