- add some callback data to map definitions

3 files changed, 19 insertions, 3 deletions

diff --git a/src/backend.c b/src/backend.c
index cd2d8f2..e4839e6 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -161,7 +161,7 @@ backend_map_config_entry(struct plugin_state *state, Slapi_Entry *e,
 			state->plugin_desc->spd_id,
 			"initializing map %s in %s (2)\n",
 			map, domain);
-	map_data_set_map(state, domain, map);
+	map_data_set_map(state, domain, map, NULL, NULL);
 	map_data_clear_map(state, domain, map);
 	for (i = 0; (base != NULL) && (base[i] != NULL); i++) {
 		slapi_log_error(SLAPI_LOG_PLUGIN,
diff --git a/src/map.c b/src/map.c
index 0caf00c..10be1be 100644
--- a/src/map.c
+++ b/src/map.c
@@ -33,6 +33,8 @@ struct {
 				char *value;
 				unsigned int value_len;
 			} *entries;
+			void *backend_data;
+			void (*free_backend_data)(void *backend_data);
 		} *maps;
 		int n_maps;
 	} *domains;
@@ -276,6 +278,9 @@ map_data_unset_map(struct plugin_state *state,
 			map = &domain->maps[i];
 			/* Free the contents. */
 			free(map->name);
+			if (map->free_backend_data != NULL) {
+				map->free_backend_data(map->backend_data);
+			}
 			map_data_clear_map_map(state, map);
 			/* Close the hole in the array. */
 			domain->n_maps--;
@@ -314,7 +319,9 @@ map_data_unset_map(struct plugin_state *state,
 void
 map_data_set_map(struct plugin_state *state,
 		 const char *domain_name,
-		 const char *map_name)
+		 const char *map_name,
+		 void *backend_data,
+		 void (*free_backend_data)(void *backend_data))
 {
 	struct domain *domain, *domains;
 	struct map *map, *maps;
@@ -368,6 +375,8 @@ map_data_set_map(struct plugin_state *state,
 			map = &maps[domain->n_maps];
 			memset(map, 0, sizeof(*map));
 			map->name = strdup(map_name);
+			map->backend_data = backend_data;
+			map->free_backend_data = free_backend_data;
 			if (map->name != NULL) {
 				/* Copy in existing data. */
 				memcpy(maps, domain->maps,
@@ -382,6 +391,12 @@ map_data_set_map(struct plugin_state *state,
 				return;
 			}
 		}
+	} else {
+		if (map->free_backend_data != NULL) {
+			map->free_backend_data(map->backend_data);
+		}
+		map->backend_data = backend_data;
+		map->free_backend_data = free_backend_data;
 	}
 }
 
diff --git a/src/map.h b/src/map.h
index ec32f4b..ec8e4ce 100644
--- a/src/map.h
+++ b/src/map.h
@@ -32,7 +32,8 @@ void map_data_clear_map(struct plugin_state *state,
 void map_data_unset_map(struct plugin_state *state,
 			const char *domain_name, const char *map_name);
 void map_data_set_map(struct plugin_state *state,
-		      const char *domain_name, const char *map_name);
+		      const char *domain_name, const char *map_name,
+		      void *backend_data, void (*free_backend_data)(void *p));
 void map_data_unset_entry_key(struct plugin_state *state,
 			      const char *domain_name, const char *map_name,
 			      unsigned int key_len, const char *key);