Import of the watch repository from Pebble

tests/fakes/fake_bonding_sync.h

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed 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.
+ */
+
+#pragma once
+
+#include "util/list.h"
+
+#include "kernel/pbl_malloc.h"
+#include "system/passert.h"
+
+#include <bluetooth/bonding_sync.h>
+#include <bluetooth/sm_types.h>
+#include <btutil/sm_util.h>
+
+typedef struct {
+  ListNode node;
+  BleBonding bonding;
+} BLEBondingNode;
+
+static BLEBondingNode *s_ble_bonding_head;
+
+void bonding_sync_add_bonding(const BleBonding *bonding) {
+  BLEBondingNode *node = (BLEBondingNode *) kernel_malloc_check(sizeof(BLEBondingNode));
+  *node = (BLEBondingNode) {
+    .bonding = *bonding,
+  };
+  s_ble_bonding_head = (BLEBondingNode *) list_prepend((ListNode *)s_ble_bonding_head,
+                                                       (ListNode *)node);
+}
+
+void bt_driver_handle_host_added_bonding(const BleBonding *bonding) {
+  bonding_sync_add_bonding(bonding);
+}
+
+static bool prv_list_find_cb(ListNode *found_list_node, void *data) {
+  const BleBonding *bonding = (const BleBonding *)data;
+  const BLEBondingNode *found_node = (const BLEBondingNode *)found_list_node;
+  const BleBonding *found_bonding = &found_node->bonding;
+  return sm_is_pairing_info_equal_identity(&bonding->pairing_info, &found_bonding->pairing_info);
+}
+
+static void prv_remove_node(BLEBondingNode *node) {
+  list_remove((ListNode *)node, (ListNode **)&s_ble_bonding_head, NULL);
+  kernel_free(node);
+}
+
+bool bonding_sync_contains_pairing_info(const SMPairingInfo *pairing_info, bool is_gateway) {
+  BleBonding bonding = {
+    .is_gateway = is_gateway,
+    .pairing_info = *pairing_info,
+  };
+  BLEBondingNode *found_node = (BLEBondingNode *)list_find((ListNode *)s_ble_bonding_head,
+                                                           prv_list_find_cb, (void *)&bonding);
+  return (found_node != NULL);
+}
+
+void bt_driver_handle_host_removed_bonding(const BleBonding *bonding) {
+  BLEBondingNode *found_node = (BLEBondingNode *)list_find((ListNode *)s_ble_bonding_head,
+                                                           prv_list_find_cb, (void *)bonding);
+  PBL_ASSERTN(found_node);
+  prv_remove_node(found_node);
+}
+
+void bonding_sync_init(void) {
+  PBL_ASSERTN(!s_ble_bonding_head);
+}
+
+void bonding_sync_deinit(void) {
+  while (s_ble_bonding_head) {
+    prv_remove_node(s_ble_bonding_head);
+  }
+}