feature : Gatt Caching

porting/nimble/include/nimble/storage_port.h

@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _STORAGE_PORT_H
+#define _STORAGE_PORT_H
+
+#include <stdio.h>
+
+typedef enum {
+    READONLY,
+    READWRITE
+} open_mode_t;
+
+typedef uint32_t cache_handle_t;
+typedef int (*open_cache)(const char *namespace_name, open_mode_t open_mode, cache_handle_t *out_handle);
+typedef void (*close_cache)(cache_handle_t handle);
+typedef int (*erase_all_cache)(cache_handle_t handle);
+typedef int (*write_cache)(cache_handle_t handle, const char *key, const void* value, size_t length);
+typedef int (*read_cache)(cache_handle_t handle, const char *key, void* out_value, size_t *length);
+
+struct cache_fn_mapping {
+    open_cache open;
+    close_cache close;
+    erase_all_cache erase_all;
+    write_cache write;
+    read_cache read;
+};
+
+struct cache_fn_mapping link_storage_fn(void *storage_cb);
+
+#endif