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