1 /*
2 * Copyright 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "model/controller/acl_connection.h"
18
19 #include <chrono>
20 #include <cstdint>
21
22 #include "packets/hci_packets.h"
23 #include "phy.h"
24
25 namespace rootcanal {
AclConnection(AddressWithType address,AddressWithType own_address,AddressWithType resolved_address,Phy::Type phy_type,bluetooth::hci::Role role)26 AclConnection::AclConnection(AddressWithType address, AddressWithType own_address,
27 AddressWithType resolved_address, Phy::Type phy_type,
28 bluetooth::hci::Role role)
29 : address_(address),
30 own_address_(own_address),
31 resolved_address_(resolved_address),
32 type_(phy_type),
33 role_(role),
34 last_packet_timestamp_(std::chrono::steady_clock::now()),
35 timeout_(std::chrono::seconds(3)) {}
36
Encrypt()37 void AclConnection::Encrypt() { encrypted_ = true; }
38
IsEncrypted() const39 bool AclConnection::IsEncrypted() const { return encrypted_; }
40
SetLinkPolicySettings(uint16_t settings)41 void AclConnection::SetLinkPolicySettings(uint16_t settings) { link_policy_settings_ = settings; }
42
GetRole() const43 bluetooth::hci::Role AclConnection::GetRole() const { return role_; }
44
SetRole(bluetooth::hci::Role role)45 void AclConnection::SetRole(bluetooth::hci::Role role) { role_ = role; }
46
GetRssi() const47 int8_t AclConnection::GetRssi() const { return rssi_; }
48
SetRssi(int8_t rssi)49 void AclConnection::SetRssi(int8_t rssi) { rssi_ = rssi; }
50
ResetLinkTimer()51 void AclConnection::ResetLinkTimer() { last_packet_timestamp_ = std::chrono::steady_clock::now(); }
52
TimeUntilNearExpiring() const53 std::chrono::steady_clock::duration AclConnection::TimeUntilNearExpiring() const {
54 return (last_packet_timestamp_ + timeout_ / 2) - std::chrono::steady_clock::now();
55 }
56
IsNearExpiring() const57 bool AclConnection::IsNearExpiring() const {
58 return TimeUntilNearExpiring() < std::chrono::steady_clock::duration::zero();
59 }
60
TimeUntilExpired() const61 std::chrono::steady_clock::duration AclConnection::TimeUntilExpired() const {
62 return (last_packet_timestamp_ + timeout_) - std::chrono::steady_clock::now();
63 }
64
HasExpired() const65 bool AclConnection::HasExpired() const {
66 return TimeUntilExpired() < std::chrono::steady_clock::duration::zero();
67 }
68
69 } // namespace rootcanal
70