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 "hci_socket_device.h"
18
19 #include <fcntl.h>
20 #include <netinet/in.h>
21 #include <sys/socket.h>
22
23 #include "model/setup/device_boutique.h"
24 #include "os/log.h"
25
26 using std::vector;
27
28 namespace test_vendor_lib {
29
HciSocketDevice(int file_descriptor)30 HciSocketDevice::HciSocketDevice(int file_descriptor) : socket_file_descriptor_(file_descriptor) {
31 advertising_interval_ms_ = std::chrono::milliseconds(1000);
32
33 page_scan_delay_ms_ = std::chrono::milliseconds(600);
34
35 properties_.SetPageScanRepetitionMode(0);
36 properties_.SetClassOfDevice(0x600420);
37 properties_.SetExtendedInquiryData({
38 16, // length
39 9, // Type: Device Name
40 'g',
41 'D',
42 'e',
43 'v',
44 'i',
45 'c',
46 'e',
47 '-',
48 'h',
49 'c',
50 'i',
51 '_',
52 'n',
53 'e',
54 't',
55 });
56 properties_.SetName({
57 'g',
58 'D',
59 'e',
60 'v',
61 'i',
62 'c',
63 'e',
64 '-',
65 'H',
66 'C',
67 'I',
68 '_',
69 'N',
70 'e',
71 't',
72 });
73
74 h4_ = H4Packetizer(
75 socket_file_descriptor_,
76 [this](const std::vector<uint8_t>& raw_command) {
77 std::shared_ptr<std::vector<uint8_t>> packet_copy = std::make_shared<std::vector<uint8_t>>(raw_command);
78 HandleCommand(packet_copy);
79 },
80 [](const std::vector<uint8_t>&) {
81 LOG_ALWAYS_FATAL("Unexpected Event in HciSocketDevice!");
82 },
83 [this](const std::vector<uint8_t>& raw_acl) {
84 std::shared_ptr<std::vector<uint8_t>> packet_copy = std::make_shared<std::vector<uint8_t>>(raw_acl);
85 HandleAcl(packet_copy);
86 },
87 [this](const std::vector<uint8_t>& raw_sco) {
88 std::shared_ptr<std::vector<uint8_t>> packet_copy = std::make_shared<std::vector<uint8_t>>(raw_sco);
89 HandleSco(packet_copy);
90 },
91 [this](const std::vector<uint8_t>& raw_iso) {
92 std::shared_ptr<std::vector<uint8_t>> packet_copy =
93 std::make_shared<std::vector<uint8_t>>(raw_iso);
94 HandleIso(packet_copy);
95 },
96 [this]() {
97 LOG_INFO("HCI socket device disconnected");
98 socket_file_descriptor_ = -1;
99 close_callback_();
100 });
101
102 RegisterEventChannel([this](std::shared_ptr<std::vector<uint8_t>> packet) {
103 SendHci(PacketType::EVENT, packet);
104 });
105 RegisterAclChannel([this](std::shared_ptr<std::vector<uint8_t>> packet) {
106 SendHci(PacketType::ACL, packet);
107 });
108 RegisterScoChannel([this](std::shared_ptr<std::vector<uint8_t>> packet) {
109 SendHci(PacketType::SCO, packet);
110 });
111 RegisterIsoChannel([this](std::shared_ptr<std::vector<uint8_t>> packet) {
112 SendHci(PacketType::ISO, packet);
113 });
114 }
115
TimerTick()116 void HciSocketDevice::TimerTick() {
117 h4_.OnDataReady(socket_file_descriptor_);
118 DualModeController::TimerTick();
119 }
120
SendHci(PacketType packet_type,const std::shared_ptr<std::vector<uint8_t>> packet)121 void HciSocketDevice::SendHci(
122 PacketType packet_type,
123 const std::shared_ptr<std::vector<uint8_t>> packet) {
124 if (socket_file_descriptor_ == -1) {
125 LOG_INFO("Closed socket. Dropping packet of type %d",
126 static_cast<int>(packet_type));
127 return;
128 }
129 uint8_t type = static_cast<uint8_t>(packet_type);
130 h4_.Send(type, packet->data(), packet->size());
131 }
132
RegisterCloseCallback(std::function<void ()> close_callback)133 void HciSocketDevice::RegisterCloseCallback(std::function<void()> close_callback) {
134 if (socket_file_descriptor_ != -1) {
135 close_callback_ = close_callback;
136 }
137 }
138
139 } // namespace test_vendor_lib
140