1 /*
2 * Copyright (C) 2021 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 "contexthub-impl/ContextHub.h"
18
19 namespace aidl::android::hardware::contexthub {
20
21 using ::ndk::ScopedAStatus;
22
getContextHubs(std::vector<ContextHubInfo> * out_contextHubInfos)23 ScopedAStatus ContextHub::getContextHubs(std::vector<ContextHubInfo>* out_contextHubInfos) {
24 ContextHubInfo hub = {};
25 hub.name = "Mock Context Hub";
26 hub.vendor = "AOSP";
27 hub.toolchain = "n/a";
28 hub.id = kMockHubId;
29 hub.peakMips = 1;
30 hub.maxSupportedMessageLengthBytes = 4096;
31 hub.chrePlatformId = UINT64_C(0x476f6f6754000000);
32 hub.chreApiMajorVersion = 1;
33 hub.chreApiMinorVersion = 6;
34 hub.supportsReliableMessages = false;
35
36 out_contextHubInfos->push_back(hub);
37
38 return ScopedAStatus::ok();
39 }
40
41 // We don't expose any nanoapps for the default impl, therefore all nanoapp-related APIs fail.
loadNanoapp(int32_t,const NanoappBinary &,int32_t)42 ScopedAStatus ContextHub::loadNanoapp(int32_t /* in_contextHubId */,
43 const NanoappBinary& /* in_appBinary */,
44 int32_t /* in_transactionId */) {
45 return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
46 }
47
unloadNanoapp(int32_t,int64_t,int32_t)48 ScopedAStatus ContextHub::unloadNanoapp(int32_t /* in_contextHubId */, int64_t /* in_appId */,
49 int32_t /* in_transactionId */) {
50 return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
51 }
52
disableNanoapp(int32_t,int64_t,int32_t)53 ScopedAStatus ContextHub::disableNanoapp(int32_t /* in_contextHubId */, int64_t /* in_appId */,
54 int32_t /* in_transactionId */) {
55 return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
56 }
57
enableNanoapp(int32_t,int64_t,int32_t)58 ScopedAStatus ContextHub::enableNanoapp(int32_t /* in_contextHubId */, int64_t /* in_appId */,
59 int32_t /* in_transactionId */) {
60 return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
61 }
62
onSettingChanged(Setting,bool)63 ScopedAStatus ContextHub::onSettingChanged(Setting /* in_setting */, bool /*in_enabled */) {
64 return ScopedAStatus::ok();
65 }
66
queryNanoapps(int32_t in_contextHubId)67 ScopedAStatus ContextHub::queryNanoapps(int32_t in_contextHubId) {
68 if (in_contextHubId == kMockHubId && mCallback != nullptr) {
69 std::vector<NanoappInfo> nanoapps;
70 mCallback->handleNanoappInfo(nanoapps);
71 return ScopedAStatus::ok();
72 } else {
73 return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
74 }
75 }
76
getPreloadedNanoappIds(int32_t,std::vector<int64_t> * out_preloadedNanoappIds)77 ScopedAStatus ContextHub::getPreloadedNanoappIds(int32_t /* in_contextHubId */,
78 std::vector<int64_t>* out_preloadedNanoappIds) {
79 if (out_preloadedNanoappIds == nullptr) {
80 return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
81 }
82
83 for (uint64_t i = 0; i < 10; ++i) {
84 out_preloadedNanoappIds->push_back(i);
85 }
86 return ScopedAStatus::ok();
87 }
88
onNanSessionStateChanged(const NanSessionStateUpdate &)89 ScopedAStatus ContextHub::onNanSessionStateChanged(const NanSessionStateUpdate& /*in_update*/) {
90 return ScopedAStatus::ok();
91 }
92
registerCallback(int32_t in_contextHubId,const std::shared_ptr<IContextHubCallback> & in_cb)93 ScopedAStatus ContextHub::registerCallback(int32_t in_contextHubId,
94 const std::shared_ptr<IContextHubCallback>& in_cb) {
95 if (in_contextHubId == kMockHubId) {
96 mCallback = in_cb;
97 return ScopedAStatus::ok();
98 } else {
99 return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
100 }
101 }
102
sendMessageToHub(int32_t in_contextHubId,const ContextHubMessage &)103 ScopedAStatus ContextHub::sendMessageToHub(int32_t in_contextHubId,
104 const ContextHubMessage& /* in_message */) {
105 if (in_contextHubId == kMockHubId) {
106 // Return true here to indicate that the HAL has accepted the message.
107 // Successful delivery of the message to a nanoapp should be handled at
108 // a higher level protocol.
109 return ScopedAStatus::ok();
110 } else {
111 return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
112 }
113 }
114
setTestMode(bool)115 ScopedAStatus ContextHub::setTestMode(bool /* enable */) {
116 return ScopedAStatus::ok();
117 }
118
onHostEndpointConnected(const HostEndpointInfo & in_info)119 ScopedAStatus ContextHub::onHostEndpointConnected(const HostEndpointInfo& in_info) {
120 mConnectedHostEndpoints.insert(in_info.hostEndpointId);
121
122 return ScopedAStatus::ok();
123 }
124
onHostEndpointDisconnected(char16_t in_hostEndpointId)125 ScopedAStatus ContextHub::onHostEndpointDisconnected(char16_t in_hostEndpointId) {
126 if (mConnectedHostEndpoints.count(in_hostEndpointId) > 0) {
127 mConnectedHostEndpoints.erase(in_hostEndpointId);
128 }
129
130 return ScopedAStatus::ok();
131 }
132
sendMessageDeliveryStatusToHub(int32_t,const MessageDeliveryStatus &)133 ScopedAStatus ContextHub::sendMessageDeliveryStatusToHub(
134 int32_t /* in_contextHubId */,
135 const MessageDeliveryStatus& /* in_messageDeliveryStatus */) {
136 return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
137 }
138
139 } // namespace aidl::android::hardware::contexthub
140