provide btstack_link_key_db_fixed to make testing easier during porting

src/classic/btstack_link_key_db_fixed.c

@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2016 BlueKitchen GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ * 4. Any redistribution, use, or modification is done solely for
+ *    personal benefit and not for any commercial purpose or for
+ *    monetary gain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
+ * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Please inquire about commercial licensing options at 
+ * contact@bluekitchen-gmbh.com
+ *
+ */
+
+#define __BTSTACK_FILE__ "btstack_link_key_db_fixed.c"
+
+/*
+ *  btstack_link_key_db_fixed.c
+ *
+ *  Fixed Link Key implemenetation to use during development/porting
+ *  Link keys have to be manually added to this file to make them usable
+ */
+
+#include "classic/btstack_link_key_db.h"
+
+#include "stdint.h"
+#include "string.h"
+#include "btstack_debug.h"
+#include "btstack_util.h"
+
+typedef struct {
+	const char * bd_addr;
+	const char * link_key;
+	int          link_key_type;
+} link_key_entry_t;
+
+// fixed link key db
+static const link_key_entry_t link_key_db[] = {
+		// Example enry
+		{ "11:22:33:44:55:66", "11223344556677889900112233445566", 1},
+		// Add new link keys here..
+};
+
+static char link_key_to_str_buffer[LINK_KEY_STR_LEN+1];  // 11223344556677889900112233445566\0
+static char *link_key_to_str(link_key_t link_key){
+    char * p = link_key_to_str_buffer;
+    int i;
+    for (i = 0; i < LINK_KEY_LEN ; i++) {
+        *p++ = char_for_nibble((link_key[i] >> 4) & 0x0F);
+        *p++ = char_for_nibble((link_key[i] >> 0) & 0x0F);
+    }
+    *p = 0;
+    return (char *) link_key_to_str_buffer;
+}
+
+static int sscanf_link_key(char * link_key_string, link_key_t link_key){
+    unsigned int buffer[LINK_KEY_LEN];
+
+    // reset result buffer
+    memset(&buffer, 0, sizeof(buffer));
+
+    // parse
+    int result = sscanf( (char *) link_key_string, "%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x",
+                                    &buffer[0], &buffer[1], &buffer[2], &buffer[3],
+                                    &buffer[4], &buffer[5], &buffer[6], &buffer[7],
+                                    &buffer[8], &buffer[9], &buffer[10], &buffer[11],
+                                    &buffer[12], &buffer[13], &buffer[14], &buffer[15] );
+
+    if (result != LINK_KEY_LEN) return 0;
+
+    // store
+    int i;
+    uint8_t *p = (uint8_t *) link_key;
+    for (i=0; i<LINK_KEY_LEN; i++ ) {
+        *p++ = (uint8_t) buffer[i];
+    }
+    return 1;
+}
+
+static void link_key_db_init(void){
+}
+
+static void link_key_db_close(void){
+}
+
+
+// returns 1 if found
+static int link_key_db_get_link_key(bd_addr_t bd_addr, link_key_t link_key, link_key_type_t * link_key_type) {
+	int i;
+	int num_entries = sizeof(link_key_db) / sizeof(link_key_entry_t);
+
+	for (i=0;i<num_entries;i++){
+		if (strcmp(bd_addr_to_str(bd_addr), link_key_db[i].bd_addr)) continue;
+		*link_key_type = (link_key_type_t) link_key_db[i].link_key_type;
+		sscanf_link_key(link_key_db[i].link_key, link_key);
+		return 1;
+	}
+	return 0;
+}
+
+static void link_key_db_delete_link_key(bd_addr_t bd_addr){
+}
+
+
+static void link_key_db_put_link_key(bd_addr_t bd_addr, link_key_t link_key, link_key_type_t link_key_type){
+	log_info("Please add the following line to btstack_link_key_db.c");
+	log_info("{ \"%s\", \"%s\", %u },\n", bd_addr_to_str(bd_addr), link_key_to_str(link_key), (int) link_key_type);
+}
+
+static void link_key_db_set_local_bd_addr(bd_addr_t bd_addr){
+}
+
+const btstack_link_key_db_t btstack_link_key_db_fixed = {
+    link_key_db_init,
+    link_key_db_set_local_bd_addr,	
+    link_key_db_close,
+    link_key_db_get_link_key,
+    link_key_db_put_link_key,
+    link_key_db_delete_link_key,
+};
+
+const btstack_link_key_db_t * btstack_link_key_db_fixed_instance(void){
+    return &btstack_link_key_db_fixed;
+}

src/classic/btstack_link_key_db_fixed.h

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2014 BlueKitchen GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ * 4. Any redistribution, use, or modification is done solely for
+ *    personal benefit and not for any commercial purpose or for
+ *    monetary gain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
+ * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Please inquire about commercial licensing options at 
+ * contact@bluekitchen-gmbh.com
+ *
+ */
+
+/**
+ * interface to provide link key storage
+ */
+
+#ifndef __BTSTACK_LINK_KEY_DB_FIXED_H
+#define __BTSTACK_LINK_KEY_DB_FIXED_H
+
+#include "btstack_link_key_db.h"
+
+#if defined __cplusplus
+extern "C" {
+#endif
+
+/*
+ * @brief
+ */
+const btstack_link_key_db_t * btstack_link_key_db_fixed_instance(void);
+
+/* API_END */
+
+#if defined __cplusplus
+}
+#endif
+
+#endif // __BTSTACK_LINK_KEY_DB_FIXED_H