| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #include "chre/core/host_endpoint_manager.h" |
| |
| #include "chre/core/event_loop_manager.h" |
| #include "chre/util/dynamic_vector.h" |
| #include "chre/util/nested_data_ptr.h" |
| #include "chre/util/system/event_callbacks.h" |
| |
| namespace chre { |
| bool HostEndpointManager::isHostEndpointConnected(uint16_t hostEndpointId, |
| size_t *index) { |
| for (size_t i = 0; i < mHostEndpoints.size(); i++) { |
| if (mHostEndpoints[i].hostEndpointId == hostEndpointId) { |
| *index = i; |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| void HostEndpointManager::hostNotificationCallback(uint16_t type, void *data, |
| void *extraData) { |
| uint16_t hostEndpointId = NestedDataPtr<uint16_t>(data); |
| |
| SystemCallbackType callbackType = static_cast<SystemCallbackType>(type); |
| if (callbackType == SystemCallbackType::HostEndpointDisconnected) { |
| size_t index; |
| if (isHostEndpointConnected(hostEndpointId, &index)) { |
| mHostEndpoints.erase(index); |
| |
| uint16_t eventType = CHRE_EVENT_HOST_ENDPOINT_NOTIFICATION; |
| auto *eventData = memoryAlloc<struct chreHostEndpointNotification>(); |
| |
| if (eventData == nullptr) { |
| LOG_OOM(); |
| } else { |
| eventData->hostEndpointId = hostEndpointId; |
| eventData->notificationType = |
| HOST_ENDPOINT_NOTIFICATION_TYPE_DISCONNECT; |
| eventData->reserved = 0; |
| |
| EventLoopManagerSingleton::get()->getEventLoop().postEventOrDie( |
| eventType, eventData, freeEventDataCallback, kBroadcastInstanceId); |
| } |
| } else { |
| LOGW("Got disconnected event for nonexistent host endpoint ID %" PRIu16, |
| hostEndpointId); |
| } |
| } else { |
| auto *info = static_cast<struct chreHostEndpointInfo *>(extraData); |
| |
| size_t index; |
| if (!isHostEndpointConnected(hostEndpointId, &index)) { |
| mHostEndpoints.push_back(*info); |
| } else { |
| LOGW("Got connected event for already existing host endpoint ID %" PRIu16, |
| hostEndpointId); |
| } |
| } |
| |
| memoryFree(extraData); |
| } |
| |
| auto HostEndpointManager::getHostNotificationCallback() { |
| return [](uint16_t type, void *data, void *extraData) { |
| EventLoopManagerSingleton::get() |
| ->getHostEndpointManager() |
| .hostNotificationCallback(type, data, extraData); |
| }; |
| } |
| |
| bool HostEndpointManager::getHostEndpointInfo( |
| uint16_t hostEndpointId, struct chreHostEndpointInfo *info) { |
| size_t index; |
| if (isHostEndpointConnected(hostEndpointId, &index)) { |
| *info = mHostEndpoints[index]; |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| void HostEndpointManager::postHostEndpointConnected( |
| const struct chreHostEndpointInfo &info) { |
| auto *infoData = memoryAlloc<struct chreHostEndpointInfo>(); |
| if (infoData == nullptr) { |
| LOG_OOM(); |
| } else { |
| memcpy(infoData, &info, sizeof(struct chreHostEndpointInfo)); |
| |
| auto callback = getHostNotificationCallback(); |
| |
| EventLoopManagerSingleton::get()->deferCallback( |
| SystemCallbackType::HostEndpointConnected, |
| NestedDataPtr<uint16_t>(info.hostEndpointId), callback, |
| infoData /* extraData */); |
| } |
| } |
| |
| void HostEndpointManager::postHostEndpointDisconnected( |
| uint16_t hostEndpointId) { |
| auto callback = getHostNotificationCallback(); |
| EventLoopManagerSingleton::get()->deferCallback( |
| SystemCallbackType::HostEndpointDisconnected, |
| NestedDataPtr<uint16_t>(hostEndpointId), callback, nullptr); |
| } |
| |
| } // namespace chre |