multimedia_av_session/services/session/server/avrouter_impl.cpp

/*
 * Copyright (c) 2023-2024 Huawei Device Co., Ltd.
 * 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 "avrouter_impl.h"
#include "ipc_skeleton.h"
#include "avsession_errors.h"
#include "avsession_log.h"
#include "avsession_trace.h"
#include "permission_checker.h"
#include "avcast_provider_manager.h"
#include "avsession_sysevent.h"
#include "collaboration_manager_urlcasting.h"
#include "collaboration_manager_hiplay.h"
#include "cJSON.h"
#ifdef DEVICE_MANAGER_ENABLE
#include "device_manager.h"
#endif

namespace OHOS::AVSession {
AVRouterImpl::AVRouterImpl()
{
    SLOGD("AVRouter construct");
}

AVRouterImpl::~AVRouterImpl()
{
    SLOGD("AVRouter destruct");
}

int32_t AVRouterImpl::GetLocalDeviceType()
{
    int32_t deviceType = -1;
#ifdef DEVICE_MANAGER_ENABLE
    int32_t ret = DistributedHardware::DeviceManager::GetInstance().GetLocalDeviceType("av_session", deviceType);
    CHECK_AND_RETURN_RET_LOG(ret == 0, deviceType, "get local device type failed with ret:%{public}d", ret);
#endif
    return deviceType;
}

int32_t AVRouterImpl::Init(IAVSessionServiceListener *servicePtr)
{
    SLOGI("Start init AVRouter");
    deviceType_ = GetLocalDeviceType();
    {
        std::lock_guard lockGuard(servicePtrLock_);
        servicePtr_ = servicePtr;
    }
    castSessionListener_ = std::make_shared<CastSessionListener>(this);
    auto hwProvider = std::make_shared<HwCastProvider>();
    if (hwProvider != nullptr && hwProvider->Init() != AVSESSION_ERROR) {
        SLOGI("init pvd success");
    } else {
        SLOGE("init with null pvd to init");
        return AVSESSION_ERROR;
    }
    providerNumber_ = providerNumberEnableDefault_;
    std::shared_ptr<AVCastProviderManager> avCastProviderManager = std::make_shared<AVCastProviderManager>();
    if (avCastProviderManager == nullptr) {
        SLOGE("init with null manager");
        return AVSESSION_ERROR;
    }
    avCastProviderManager->Init(providerNumber_, hwProvider);
    {
        std::lock_guard lockGuard(providerManagerLock_);
        hwProvider_ = hwProvider;
        providerManagerMap_[providerNumber_] = avCastProviderManager;
    }
    hwProvider->RegisterCastStateListener(avCastProviderManager);
    std::lock_guard lockGuard(providerManagerLock_);
    if (cacheStartDiscovery_) {
        SLOGI("cacheStartDiscovery check do discovery");
        StartCastDiscovery(cacheCastDeviceCapability_, cacheDrmSchemes_);
        cacheStartDiscovery_ = false;
    }
    SLOGI("init AVRouter done");
    return AVSESSION_SUCCESS;
}

bool AVRouterImpl::Release()
{
    SLOGI("Start Release AVRouter");
    std::shared_ptr<HwCastProvider> hwProvider;
    {
        std::lock_guard lockGuard(providerManagerLock_);
        if (hwProvider_ == nullptr) {
            SLOGE("Start Release AVRouter err for no provider");
            return false;
        }
        SLOGI("repeat check for pvd alive");
        hwProvider = hwProvider_;
        hwProvider_ = nullptr;
        providerNumber_ = providerNumberDisable_;
        providerManagerMap_.clear();
    }
    hwProvider->Release();
    {
        std::lock_guard castHandleLockGuard(castHandleToInfoMapLock_);
        castHandleToInfoMap_.clear();
    }
    SLOGD("Release AVRouter done");
    return false;
}

std::shared_ptr<AVCastProvider> AVRouterImpl::GetCastProvider(int32_t providerNumber)
{
    std::lock_guard lockGuard(providerManagerLock_);
    auto iter = providerManagerMap_.find(providerNumber);
    CHECK_AND_RETURN_RET_LOG(iter != providerManagerMap_.end() && iter->second != nullptr &&
        iter->second->provider_ != nullptr, nullptr, "providerNumber %{public}d is invalid", providerNumber);
    return iter->second->provider_;
}

std::shared_ptr<HwCastProvider> AVRouterImpl::GetHwProvider()
{
    std::lock_guard lockGuard(providerManagerLock_);
    return hwProvider_;
}

int32_t AVRouterImpl::StartDeviceLogging(int32_t fd, uint32_t maxSize)
{
    SLOGI("AVRouterImpl StartDeviceLogging");
    std::lock_guard lockGuard(providerManagerLock_);

    if (providerManagerMap_.empty()) {
        cacheStartDeviceLogging_ = true;
        return AVSESSION_SUCCESS;
    }
    for (const auto& [number, providerManager] : providerManagerMap_) {
        CHECK_AND_RETURN_RET_LOG(providerManager != nullptr && providerManager->provider_ != nullptr,
            AVSESSION_ERROR, "provider is nullptr");
        providerManager->provider_->StartDeviceLogging(fd, maxSize);
    }
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::StopDeviceLogging()
{
    SLOGI("AVRouterImpl StopDeviceLogging");
    std::lock_guard lockGuard(providerManagerLock_);

    if (cacheStartDeviceLogging_) {
        SLOGI("clear cacheStartDeviceLogging_ when stop discovery");
        cacheStartDeviceLogging_ = false;
    }
    for (const auto& [number, providerManager] : providerManagerMap_) {
        CHECK_AND_RETURN_RET_LOG(providerManager != nullptr && providerManager->provider_ != nullptr,
            AVSESSION_ERROR, "provider is nullptr");
        providerManager->provider_->StopDeviceLogging();
    }
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::StartCastDiscovery(int32_t castDeviceCapability, std::vector<std::string> drmSchemes)
{
    SLOGI("AVRouterImpl StartCastDiscovery");

    std::lock_guard lockGuard(providerManagerLock_);

    auto pid = IPCSkeleton::GetCallingPid();
    cacheStartDiscoveryPids_.insert(pid);
    cacheCastDeviceCapability_ = castDeviceCapability;
    cacheDrmSchemes_ = drmSchemes;
    if (providerManagerMap_.empty()) {
        SLOGI("set cacheStartDiscovery with no element with cap %{public}d", static_cast<int>(castDeviceCapability));
        cacheStartDiscovery_ = true;
        return AVSESSION_SUCCESS;
    }
    for (const auto& [number, providerManager] : providerManagerMap_) {
        CHECK_AND_RETURN_RET_LOG(providerManager != nullptr && providerManager->provider_ != nullptr,
            AVSESSION_ERROR, "provider is nullptr");
        providerManager->provider_->StartDiscovery(castDeviceCapability, drmSchemes);
    }
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::StopCastDiscovery()
{
    SLOGI("AVRouterImpl StopCastDiscovery");

    std::lock_guard lockGuard(providerManagerLock_);

    auto pid = IPCSkeleton::GetCallingPid();
    CHECK_AND_RETURN_RET_LOG(IsStopCastDiscovery(pid), AVSESSION_SUCCESS,
        "StartCastDiscovery is still in use, no need to stop");
    if (cacheStartDiscovery_) {
        SLOGI("clear cacheStartDiscovery when stop discovery");
        cacheStartDiscovery_ = false;
    }
    for (const auto& [number, providerManager] : providerManagerMap_) {
        CHECK_AND_RETURN_RET_LOG(providerManager != nullptr && providerManager->provider_ != nullptr,
            AVSESSION_ERROR, "provider is nullptr");
        providerManager->provider_->StopDiscovery();
    }
    return AVSESSION_SUCCESS;
}

bool AVRouterImpl::IsStopCastDiscovery(pid_t pid)
{
    std::lock_guard lockGuard(providerManagerLock_);
    if (cacheStartDiscoveryPids_.find(pid) != cacheStartDiscoveryPids_.end()) {
        cacheStartDiscoveryPids_.erase(pid);
        if (cacheStartDiscoveryPids_.empty()) {
            return true;
        } else {
            SLOGI("other pid is not calling StopCastDiscovery");
        }
    } else {
        SLOGI("pid:%{public}d is not include in cacheStartDiscoveryPids", static_cast<int>(pid));
    }
    return false;
}

int32_t AVRouterImpl::SetDiscoverable(const bool enable)
{
    SLOGI("AVRouterImpl SetDiscoverable %{public}d", enable);
    std::lock_guard lockGuard(providerManagerLock_);

    for (const auto& [number, providerManager] : providerManagerMap_) {
        CHECK_AND_RETURN_RET_LOG(providerManager != nullptr && providerManager->provider_ != nullptr,
            AVSESSION_ERROR, "provider is nullptr");
        providerManager->provider_->SetDiscoverable(enable);
    }

    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::OnDeviceAvailable(OutputDeviceInfo& castOutputDeviceInfo)
{
    SLOGI("AVRouterImpl received OnDeviceAvailable event");

    std::lock_guard lockGuard(servicePtrLock_);
    if (servicePtr_ == nullptr) {
        return ERR_SERVICE_NOT_EXIST;
    }
    std::lock_guard validDeviceInfoMapLockGuard(validDeviceInfoMapLock_);
    for (const DeviceInfo& deviceInfo : castOutputDeviceInfo.deviceInfos_) {
        validDeviceInfoMap_[deviceInfo.deviceId_] = deviceInfo;
    }
    servicePtr_->NotifyDeviceAvailable(castOutputDeviceInfo);
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::OnDeviceLogEvent(const DeviceLogEventCode eventId, const int64_t param)
{
    SLOGI("AVRouterImpl received OnDeviceLogEvent event");

    std::lock_guard lockGuard(servicePtrLock_);
    if (servicePtr_ == nullptr) {
        return ERR_SERVICE_NOT_EXIST;
    }
    servicePtr_->NotifyDeviceLogEvent(eventId, param);
    return AVSESSION_SUCCESS;
}

void AVRouterImpl::ReleaseCurrentCastSession()
{
    SLOGI("Start ReleaseCurrentCastSession");
    std::lock_guard lockGuard(servicePtrLock_);
    CHECK_AND_RETURN_LOG(servicePtr_ != nullptr, "servicePtr_ is nullptr");
    servicePtr_->ReleaseCastSession();
}

int32_t AVRouterImpl::OnCastSessionCreated(const int32_t castId)
{
    SLOGI("AVRouterImpl On cast session created, cast id is %{public}d", castId);

    int64_t castHandle = -1;
    CHECK_AND_RETURN_RET_LOG(GetCastProvider(providerNumberEnableDefault_) != nullptr,
        castHandle, "provider is nullptr");
    int64_t tempId = 1;
    // The first 32 bits are providerId, the last 32 bits are castId
    castHandle = static_cast<int64_t>((static_cast<uint64_t>(tempId) << 32) |
        static_cast<const uint32_t>(castId));
    CastHandleInfo castHandleInfo;
    OutputDeviceInfo outputDeviceInfo;
    castHandleInfo.outputDeviceInfo_ = outputDeviceInfo;
    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        castHandleToInfoMap_.clear();
        castHandleToInfoMap_[castHandle] = castHandleInfo;
    }
    {
        std::lock_guard lockGuard(servicePtrLock_);
        servicePtr_->CreateSessionByCast(castHandle);
    }
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::OnDeviceOffline(const std::string& deviceId)
{
    SLOGI("AVRouterImpl received OnDeviceOffline event");

    std::lock_guard lockGuard(servicePtrLock_);
    if (servicePtr_ == nullptr) {
        return ERR_SERVICE_NOT_EXIST;
    }
    std::lock_guard validDeviceInfoMapLockGuard(validDeviceInfoMapLock_);
    validDeviceInfoMap_.erase(deviceId);
    servicePtr_->NotifyDeviceOffline(deviceId);
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::OnSystemCommonEvent(const std::string& commonEvent, const std::string& args)
{
    SLOGI("AVRouterImpl received OnSystemCommonEvent event");

    std::lock_guard lockGuard(servicePtrLock_);
    if (servicePtr_ == nullptr) {
        return ERR_SERVICE_NOT_EXIST;
    }
    servicePtr_->NotifySystemCommonEvent(commonEvent, args);
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::OnDeviceStateChange(const DeviceState& deviceState)
{
    SLOGI("AVRouterImpl received OnDeviceStateChange event");

    std::lock_guard lockGuard(servicePtrLock_);
    if (servicePtr_ == nullptr) {
        return ERR_SERVICE_NOT_EXIST;
    }
    servicePtr_->NotifyDeviceStateChange(deviceState);
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::OnCastServerDied(int32_t providerNumber)
{
    SLOGI("AVRouterImpl received OnCastServerDied event %{public}d", providerNumber);
    {
        std::lock_guard lockGuard(servicePtrLock_);
        if (servicePtr_ == nullptr) {
            return ERR_SERVICE_NOT_EXIST;
        }
        servicePtr_->setInCast(false);
        std::lock_guard validDeviceInfoMapLockGuard(validDeviceInfoMapLock_);
        for (const auto& [deviceId, deviceInfo] : validDeviceInfoMap_) {
            servicePtr_->NotifyDeviceOffline(deviceId);
        }
        validDeviceInfoMap_.clear();
    }
#ifdef DEVICE_MANAGER_ENABLE
    {
        std::lock_guard lockGuard(providerManagerLock_);
        providerNumber_ = providerNumberDisable_;
        providerManagerMap_.clear();
    }

    DeviceInfo deviceInfo(AVCastCategory::CATEGORY_LOCAL, "-1", "RemoteCast");
    OnCastStateChange(disconnectStateFromCast_, deviceInfo, noReasonCode_);
    {
        std::lock_guard castHandleLockGuard(castHandleToInfoMapLock_);
        castHandleToInfoMap_.clear();
    }

    CHECK_AND_RETURN_RET(deviceType_ == DistributedHardware::DmDeviceType::DEVICE_TYPE_PHONE, AVSESSION_SUCCESS);
    std::this_thread::sleep_for(std::chrono::milliseconds(castEngineServiceRestartWaitTime));
    StartCastDiscovery(cacheCastDeviceCapability_, cacheDrmSchemes_);

    {
        std::lock_guard lockGuard(servicePtrLock_);
        if (servicePtr_ != nullptr) {
            servicePtr_->checkEnableCast(true);
        }
    }
#endif
    return AVSESSION_SUCCESS;
}

std::shared_ptr<IAVCastControllerProxy> AVRouterImpl::GetRemoteController(const int64_t castHandle)
{
    SLOGI("AVRouterImpl start get remote controller process");

    // The first 32 bits are providerId, the last 32 bits are castId
    int32_t providerNumber = static_cast<int32_t>(static_cast<const uint64_t>(castHandle) >> 32);
    SLOGD("Get remote controller of provider %{public}d", providerNumber);
    // The first 32 bits are providerId, the last 32 bits are castId
    int32_t castId = static_cast<int32_t>((static_cast<const uint64_t>(castHandle) << 32) >> 32);

    std::shared_ptr<AVCastProvider> provider = GetCastProvider(providerNumber);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, nullptr, "provider is nullptr");
    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        for (const auto& [number, castHandleInfo] : castHandleToInfoMap_) {
            if (number == castHandle && castHandleInfo.avCastControllerProxy_ != nullptr) {
                return castHandleInfo.avCastControllerProxy_;
            }
        }

        if (castHandleToInfoMap_.find(castHandle) != castHandleToInfoMap_.end()) {
            castHandleToInfoMap_[castHandle].avCastControllerProxy_ = provider->GetRemoteController(castId);
        }
    }
    return provider->GetRemoteController(castId);
}

int64_t AVRouterImpl::StartCast(const OutputDeviceInfo& outputDeviceInfo,
    std::pair<std::string, std::string>& serviceNameStatePair, std::string sessionId)
{
    castSide_ = CAST_SIDE::CAST_SOURCE;
    SLOGI("AVRouterImpl start cast process");
    castServiceNameStatePair_ = serviceNameStatePair;
    int64_t castHandle = -1;
    std::shared_ptr<AVCastProvider> provider =
        GetCastProvider(outputDeviceInfo.deviceInfos_[0].providerId_);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, castHandle, "provider is nullptr");
    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        for (const auto& [number, castHandleInfo] : castHandleToInfoMap_) {
            if (castHandleInfo.sessionId_ != sessionId &&
                castHandleInfo.outputDeviceInfo_.deviceInfos_.size() > 0 &&
                castHandleInfo.outputDeviceInfo_.deviceInfos_[0].deviceId_ ==
                outputDeviceInfo.deviceInfos_[0].deviceId_) {
                castHandleToInfoMap_[number].sessionId_ = sessionId;
                return number;
            }
        }
    }
    bool isPcm = sessionId == pcmCastSession;
    int32_t castId = provider->StartCastSession(
        static_cast<uint32_t>(outputDeviceInfo.deviceInfos_[0].supportedProtocols_), isPcm);
    CHECK_AND_RETURN_RET_LOG(castId != AVSESSION_ERROR, AVSESSION_ERROR, "StartCast failed");
    int64_t tempId = outputDeviceInfo.deviceInfos_[0].providerId_;
    // The first 32 bits are providerId, the last 32 bits are castId
    castHandle = static_cast<int64_t>((static_cast<uint64_t>(tempId) << 32) | static_cast<uint32_t>(castId));

    CastHandleInfo castHandleInfo;
    castHandleInfo.sessionId_ = sessionId;
    OutputDeviceInfo localDevice;
    DeviceInfo localInfo;
    localInfo.castCategory_ = AVCastCategory::CATEGORY_LOCAL;
    localInfo.deviceId_ = "-1";
    localInfo.deviceName_ = "LocalDevice";
    localDevice.deviceInfos_.emplace_back(localInfo);
    castHandleInfo.outputDeviceInfo_ = localDevice;
    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        castHandleToInfoMap_[castHandle] = castHandleInfo;
    }
    return castHandle;
}

int32_t AVRouterImpl::AddDevice(const int32_t castId, const OutputDeviceInfo& outputDeviceInfo,
    uint32_t spid)
{
    SLOGI("AVRouterImpl AddDevice process");

    int64_t tempId = outputDeviceInfo.deviceInfos_[0].providerId_;
    int64_t castHandle = static_cast<int64_t>((static_cast<uint64_t>(tempId) << 32) |
        static_cast<uint32_t>(castId));
    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        for (const auto& [number, castHandleInfo] : castHandleToInfoMap_) {
            if (castHandle == number && castHandleInfo.outputDeviceInfo_.deviceInfos_.size() > 0 &&
                castHandleInfo.outputDeviceInfo_.deviceInfos_[0].deviceId_ ==
                outputDeviceInfo.deviceInfos_[0].deviceId_) {
                return AVSESSION_SUCCESS;
            }
        }
    }
    std::shared_ptr<AVCastProvider> provider =
        GetCastProvider(outputDeviceInfo.deviceInfos_[0].providerId_);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, AVSESSION_ERROR, "provider is nullptr");
    bool ret = provider->AddCastDevice(castId, outputDeviceInfo.deviceInfos_[0], spid);
    HILOG_COMM_INFO("AVRouterImpl AddDevice process with ret %{public}d", static_cast<int32_t>(ret));
    std::lock_guard lockGuard(castHandleToInfoMapLock_);
    if (ret && castHandleToInfoMap_.find(castHandle) != castHandleToInfoMap_.end()) {
        castHandleToInfoMap_[castHandle].outputDeviceInfo_ = outputDeviceInfo;
    }
    return ret ? AVSESSION_SUCCESS : ERR_DEVICE_CONNECTION_FAILED;
}

int32_t AVRouterImpl::AddDeviceWithConnectionConfig(const int32_t castId, const OutputDeviceInfo& outputDeviceInfo,
    uint32_t spid, CastEngine::ConnectionConfig connectionConfig)
{
    SLOGI("AVRouterImpl AddDeviceWithConnectionConfig process");

    int64_t tempId = outputDeviceInfo.deviceInfos_[0].providerId_;
    int64_t castHandle = static_cast<int64_t>((static_cast<uint64_t>(tempId) << 32) |
        static_cast<uint32_t>(castId));
    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        for (const auto& [number, castHandleInfo] : castHandleToInfoMap_) {
            if (castHandle == number && castHandleInfo.outputDeviceInfo_.deviceInfos_.size() > 0 &&
                castHandleInfo.outputDeviceInfo_.deviceInfos_[0].deviceId_ ==
                outputDeviceInfo.deviceInfos_[0].deviceId_) {
                return AVSESSION_SUCCESS;
            }
        }
    }
    std::shared_ptr<AVCastProvider> provider =
        GetCastProvider(outputDeviceInfo.deviceInfos_[0].providerId_);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, AVSESSION_ERROR, "provider is nullptr");
    bool ret = provider->AddCastDeviceWithConnectionConfig(castId, outputDeviceInfo.deviceInfos_[0], spid,
        connectionConfig);
    SLOGI("AVRouterImpl AddDeviceWithConnectionConfig process with ret %{public}d", static_cast<int32_t>(ret));
    std::lock_guard lockGuard(castHandleToInfoMapLock_);
    if (ret && castHandleToInfoMap_.find(castHandle) != castHandleToInfoMap_.end()) {
        castHandleToInfoMap_[castHandle].outputDeviceInfo_ = outputDeviceInfo;
    }
    return ret ? AVSESSION_SUCCESS : ERR_DEVICE_CONNECTION_FAILED;
}

int32_t AVRouterImpl::StopCast(const int64_t castHandle, const DeviceRemoveAction deviceRemoveAction)
{
    SLOGI("AVRouterImpl stop cast process");

    int32_t providerNumber = static_cast<int32_t>(static_cast<uint64_t>(castHandle) >> 32);
    SLOGI("Stop cast, the provider number is %{public}d", providerNumber);
    // The first 32 bits are providerId, the last 32 bits are castId
    int32_t castId = static_cast<int32_t>((static_cast<const uint64_t>(castHandle) << 32) >> 32);
    SLOGI("Stop cast, the castId is %{public}d", castId);

    std::shared_ptr<AVCastProvider> provider = GetCastProvider(providerNumber);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, castHandle, "provider is nullptr");
    DeviceInfo deviceInfo;
    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        CHECK_AND_RETURN_RET_LOG(castHandleToInfoMap_.find(castHandle) != castHandleToInfoMap_.end(),
            AVSESSION_ERROR, "Can not find corresponding castHandle");
        CHECK_AND_RETURN_RET_LOG(castHandleToInfoMap_[castHandle].outputDeviceInfo_.deviceInfos_.size() > 0,
            AVSESSION_ERROR, "deviceInfos is empty");
        deviceInfo = castHandleToInfoMap_[castHandle].outputDeviceInfo_.deviceInfos_[0];
    }
    provider->RemoveCastDevice(castId, deviceInfo, deviceRemoveAction);
    SLOGI("AVRouterImpl stop cast process remove device done");

    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        if (castHandleToInfoMap_.find(castHandle) != castHandleToInfoMap_.end()) {
            OutputDeviceInfo localDevice;
            DeviceInfo localInfo;
            localInfo.castCategory_ = AVCastCategory::CATEGORY_LOCAL;
            localInfo.deviceId_ = "-1";
            localInfo.deviceName_ = "LocalDevice";
            localDevice.deviceInfos_.emplace_back(localInfo);
            castHandleToInfoMap_[castHandle].outputDeviceInfo_ = localDevice;
        }
    }
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::StopCastSession(const int64_t castHandle)
{
    SLOGI("AVRouterImpl stop cast session");

    isInMirrorToStream_ = false;
    isRemoteCasting_ = false;
    castSide_ = CAST_SIDE::DEFAULT;
    int32_t providerNumber = static_cast<int32_t>(static_cast<uint64_t>(castHandle) >> 32);

    std::shared_ptr<AVCastProvider> provider = GetCastProvider(providerNumber);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, castHandle, "provider is nullptr");
    // The first 32 bits are providerId, the last 32 bits are castId
    int32_t castId = static_cast<int32_t>((static_cast<uint64_t>(castHandle) << 32) >> 32);
    provider->StopCastSession(castId);
    {
        std::lock_guard castHandleLockGuard(castHandleToInfoMapLock_);
        CHECK_AND_RETURN_RET_LOG(castHandleToInfoMap_.find(castHandle) != castHandleToInfoMap_.end(),
            AVSESSION_ERROR, "Can not find corresponding castHandle");
        for (const auto& [number, castHandleInfo] : castHandleToInfoMap_) {
            if (number == castHandle) {
                castHandleToInfoMap_[number].avCastControllerProxy_ = nullptr;
            }
        }
    }
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::SetServiceAllConnectState(int64_t castHandle, DeviceInfo deviceInfo)
{
    int64_t realCastHandle = castHandle == noMirrorCastHandle_ ? GetMirrorCastHandle() : castHandle;
    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        if (castHandleToInfoMap_.find(realCastHandle) != castHandleToInfoMap_.end()) {
            OutputDeviceInfo device;
            device.deviceInfos_.emplace_back(deviceInfo);
            castHandleToInfoMap_[realCastHandle].outputDeviceInfo_ = device;
        }
    }
    std::shared_ptr<AVCastProvider> provider = GetCastProvider(providerNumberEnableDefault_);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, AVSESSION_ERROR, "provider is nullptr");
    provider->SetStreamState(castHandle, deviceInfo);
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::GetRemoteNetWorkId(int64_t castHandle, std::string deviceId, std::string &networkId)
{
    int32_t providerNumber = static_cast<int32_t>(static_cast<uint64_t>(castHandle) >> 32);
    int32_t castId = static_cast<int32_t>((static_cast<uint64_t>(castHandle) << 32) >> 32);

    std::shared_ptr<AVCastProvider> provider = GetCastProvider(providerNumber);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, AVSESSION_ERROR, "provider is nullptr");
    provider->GetRemoteNetWorkId(castId, deviceId, networkId);
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::GetRemoteDrmCapabilities(int64_t castHandle, std::string deviceId,
    std::vector<std::string> &drmCapabilities)
{
    int32_t providerNumber = static_cast<int32_t>(static_cast<uint64_t>(castHandle) >> 32);
    int32_t castId = static_cast<int32_t>((static_cast<uint64_t>(castHandle) << 32) >> 32);

    std::shared_ptr<AVCastProvider> provider = GetCastProvider(providerNumber);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, AVSESSION_ERROR, "provider is nullptr");
    provider->GetRemoteDrmCapabilities(castId, deviceId, drmCapabilities);
    return AVSESSION_SUCCESS;
}

void AVRouterImpl::RegisterStashCallback(int64_t castHandle, const std::shared_ptr<IAVRouterListener> callback,
    std::string sessionId)
{
    SLOGI("AVRouterImpl register stash callback to provider");
    std::lock_guard lockGuard(castHandleToInfoMapLock_);
    castHandleToInfoMap_[castHandle].avRouterListener_ = callback;
    castHandleToInfoMap_[castHandle].sessionId_ = sessionId;
}

int32_t AVRouterImpl::RegisterCallback(int64_t castHandle, const std::shared_ptr<IAVRouterListener> callback,
    std::string sessionId, DeviceInfo deviceInfo)
{
    SLOGI("AVRouterImpl register IAVRouterListener callback to provider");
    // The first 32 bits are providerId, the last 32 bits are castId
    int32_t providerNumber = static_cast<int32_t>(static_cast<uint64_t>(castHandle) >> 32);
    // The first 32 bits are providerId, the last 32 bits are castId
    int32_t castId = static_cast<int32_t>((static_cast<uint64_t>(castHandle) << 32) >> 32);

    std::shared_ptr<AVCastProvider> provider = GetCastProvider(providerNumber);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, AVSESSION_ERROR, "provider is nullptr");
    if (GetMirrorCastHandle() == noMirrorCastHandle_) {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        for (const auto& [number, castHandleInfo] : castHandleToInfoMap_) {
            if (number == castHandle && castHandleInfo.outputDeviceInfo_.deviceInfos_.size() > 0 &&
                castHandleInfo.avRouterListener_ != nullptr) {
                SLOGI("trigger the OnCastStateChange for disconnected/connected avRouterListener");
                castHandleInfo.avRouterListener_->OnCastStateChange(disconnectStateFromCast_,
                    castHandleInfo.outputDeviceInfo_.deviceInfos_[0], false, noReasonCode_);
                castHandleToInfoMap_[castHandle].avRouterListener_ = callback;
                callback->OnCastStateChange(connectStateFromCast_,
                    castHandleInfo.outputDeviceInfo_.deviceInfos_[0], false, noReasonCode_);
                return AVSESSION_SUCCESS;
            }
        }
        if (castHandleToInfoMap_.find(castHandle) != castHandleToInfoMap_.end()) {
            castHandleToInfoMap_[castHandle].avRouterListener_ = callback;
            castHandleToInfoMap_[castHandle].sessionId_ = sessionId;
        }
        provider->RegisterCastSessionStateListener(castId, castSessionListener_);
    } else {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        if (castHandleToInfoMap_.find(castHandle) != castHandleToInfoMap_.end() &&
            castHandleToInfoMap_[castHandle].avRouterListener_ == nullptr) {
            provider->RegisterCastSessionStateListener(castId, castSessionListener_);
            OutputDeviceInfo outputDevice;
            outputDevice.deviceInfos_.emplace_back(deviceInfo);
            castHandleToInfoMap_[castHandle].outputDeviceInfo_ = outputDevice;
            castHandleToInfoMap_[castHandle].avRouterListener_ = callback;
            castHandleToInfoMap_[castHandle].sessionId_ = sessionId;
        } else {
            mirrorSessionMap_[sessionId] = callback;
        }
        callback->OnCastStateChange(connectStateFromCast_, deviceInfo, false, noReasonCode_);
    }
    SLOGD("AVRouter impl register callback finished");
    return AVSESSION_SUCCESS;
}

int32_t AVRouterImpl::UnRegisterCallback(int64_t castHandle,
    const std::shared_ptr<IAVRouterListener> callback, std::string sessionId)
{
    SLOGI("AVRouterImpl UnRegisterCallback IAVRouterListener callback to provider");
    // The first 32 bits are providerId, the last 32 bits are castId
    int32_t providerNumber = static_cast<uint64_t>(static_cast<uint64_t>(castHandle)) >> 32;
    // The first 32 bits are providerId, the last 32 bits are castId
    int32_t castId = static_cast<int32_t>((static_cast<uint64_t>(castHandle) << 32) >> 32);

    std::shared_ptr<AVCastProvider> provider = GetCastProvider(providerNumber);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, AVSESSION_ERROR, "provider is nullptr");
    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        for (const auto& [number, castHandleInfo] : castHandleToInfoMap_) {
            if (castHandleInfo.sessionId_ == sessionId && number == castHandle) {
                provider->UnRegisterCastSessionStateListener(castId, castSessionListener_);
                castHandleToInfoMap_[number].avRouterListener_ = nullptr;
            }
        }
        if (mirrorSessionMap_.find(sessionId) != mirrorSessionMap_.end()) {
            mirrorSessionMap_.erase(sessionId);
        }
    }
    return AVSESSION_SUCCESS;
}

int64_t AVRouterImpl::GetMirrorCastHandle()
{
    std::lock_guard lockGuard(providerManagerLock_);
    CHECK_AND_RETURN_RET_LOG(providerManagerMap_.find(providerNumberEnableDefault_) != providerManagerMap_.end(),
        providerNumberEnableDefault_, "providerNull");
    CHECK_AND_RETURN_RET_LOG(providerManagerMap_[providerNumberEnableDefault_] != nullptr &&
        providerManagerMap_[providerNumberEnableDefault_]->provider_ != nullptr,
        AVSESSION_ERROR, "provider is nullptr");
    return providerManagerMap_[providerNumberEnableDefault_]->provider_->GetMirrorCastHandle();
}

bool AVRouterImpl::IsInMirrorToStreamState()
{
    return isInMirrorToStream_;
}

void AVRouterImpl::SetMirrorCastHandle(int64_t castHandle)
{
    std::shared_ptr<HwCastProvider> hwProvider = GetHwProvider();
    CHECK_AND_RETURN_LOG(hwProvider != nullptr, "hwProvider_ is nullptr");
    hwProvider->SetMirrorCastHandle(castHandle);
}

std::string AVRouterImpl::GetMirrorDeviceId()
{
    std::string castHandleDeviceId = "-100";
    int64_t mirrorCastHandle = GetMirrorCastHandle();
    std::lock_guard lockGuard(castHandleToInfoMapLock_);
    if (castHandleToInfoMap_.find(mirrorCastHandle) != castHandleToInfoMap_.end() &&
        castHandleToInfoMap_[mirrorCastHandle].outputDeviceInfo_.deviceInfos_.size() > 0) {
        castHandleDeviceId = castHandleToInfoMap_[mirrorCastHandle].outputDeviceInfo_.deviceInfos_[0].deviceId_;
    }
    return castHandleDeviceId;
}

void AVRouterImpl::SetSinkCastSessionInfo(const AAFwk::Want &want)
{
    std::string deviceInfoStr = want.GetStringParam("deviceInfo");
    cJSON* deviceInfo = cJSON_Parse(deviceInfoStr.c_str());
    bool deviceInfoFlag = (deviceInfo == nullptr) || cJSON_IsInvalid(deviceInfo) || cJSON_IsNull(deviceInfo);
    if (deviceInfoFlag) {
        SLOGE("deviceInfo parse is not valid json");
        cJSON_Delete(deviceInfo);
        return;
    }
    
    cJSON* deviceIdItem = cJSON_GetObjectItem(deviceInfo, "deviceId");
    CHECK_AND_PRINT_LOG(deviceIdItem != nullptr, "deviceIdItem is nullptr");
    bool deviceIdItemFlag = (deviceIdItem != nullptr) && !cJSON_IsInvalid(deviceIdItem) &&
        !cJSON_IsNull(deviceIdItem) && cJSON_IsString(deviceIdItem) && deviceIdItem->valuestring != nullptr;
    sourceDeviceId_ = deviceIdItemFlag ? std::string(deviceIdItem->valuestring) : "";

    cJSON* protocolTypeItem = cJSON_GetObjectItem(deviceInfo, "protocolType");
    CHECK_AND_PRINT_LOG(protocolTypeItem != nullptr, "protocolTypeItem is nullptr");
    bool protocolTypeItemFlag = (protocolTypeItem != nullptr) && !cJSON_IsInvalid(protocolTypeItem) &&
        !cJSON_IsNull(protocolTypeItem) && cJSON_IsNumber(protocolTypeItem);
    sourceProtocols_ = protocolTypeItemFlag ?
        static_cast<ProtocolType>(protocolTypeItem->valueint) : ProtocolType::TYPE_LOCAL;

    sinkCastSessionId_ = want.GetStringParam("sessionId");
    SLOGI("Cast Session Create success with sessionId length %{public}d and deviceId length %{public}d",
        static_cast<int32_t>(sinkCastSessionId_.size()), static_cast<int32_t>(sourceDeviceId_.size()));
    cJSON_Delete(deviceInfo);
#ifdef CAR_FEATURE_ENABLE
    std::string userId = want.GetStringParam("userId");
#endif
}

void AVRouterImpl::NotifyCastSessionCreated()
{
    CHECK_AND_RETURN_LOG(!sinkCastSessionId_.empty(), "sinkCastSessionId_ is empty");
    std::shared_ptr<HwCastProvider> hwProvider = GetHwProvider();
    CHECK_AND_RETURN_LOG(hwProvider != nullptr, "hwProvider_ is nullptr");

    if (deviceType_ == DistributedHardware::DmDeviceType::DEVICE_TYPE_2IN1) {
        DeviceInfo deviceInfo;
        deviceInfo.deviceId_ = sourceDeviceId_;
        deviceInfo.realDeviceId_ = sourceDeviceId_;
        deviceInfo.supportedProtocols_ = sourceProtocols_;
        SLOGI("sourceProtocols_ is %{public}d", sourceProtocols_);
        castSide_ = CAST_SIDE::CAST_SINK;  // prohibit cast preempt mirror toast disconnect
        sinkAllConnectResult_ = CollaborationManagerURLCasting::GetInstance().CastAddToCollaboration(deviceInfo);
    }

    castSide_ = CAST_SIDE::CAST_SINK;
    hwProvider->NotifyCastSessionCreated(sinkCastSessionId_);
}

void AVRouterImpl::DestroyCastSessionCreated()
{
    CHECK_AND_RETURN_LOG(!sinkCastSessionId_.empty(), "sinkCastSessionId_ is empty");
    std::shared_ptr<HwCastProvider> hwProvider = GetHwProvider();
    CHECK_AND_RETURN_LOG(hwProvider != nullptr, "hwProvider_ is nullptr");
    hwProvider->DestroyCastSessionCreated(sinkCastSessionId_);
}

void AVRouterImpl::SetCastSide(CAST_SIDE castSide)
{
    castSide_.store(castSide);
}

CAST_SIDE AVRouterImpl::GetCastSide()
{
    return castSide_.load();
}

void AVRouterImpl::SetCastingDeviceName(std::string deviceName)
{
    sinkDeviceName_ = deviceName;
}

std::string AVRouterImpl::GetCastingDeviceName()
{
    return sinkDeviceName_;
}

bool AVRouterImpl::IsHiPlayCasting()
{
    if (servicePtr_ == nullptr) {
        SLOGE("servicePtr is NULL");
        return false;
    }

    return servicePtr_->IsHiPlayCasting();
}

bool AVRouterImpl::IsRemoteCasting()
{
    return isRemoteCasting_;
}

void AVRouterImpl::UpdateConnectState(int32_t castState)
{
    if (castState == static_cast<int32_t>(CastEngine::DeviceState::MIRROR_TO_STREAM) ||
        castState == static_cast<int32_t>(CastEngine::DeviceState::STREAM_TO_MIRROR)) {
        isInMirrorToStream_ = (castState == static_cast<int32_t>(CastEngine::DeviceState::MIRROR_TO_STREAM));
    }
    if (castState == static_cast<int32_t>(CastEngine::DeviceState::STREAM) ||
        castState == static_cast<int32_t>(CastEngine::DeviceState::DISCONNECTED) ||
        castState == static_cast<int32_t>(CastEngine::DeviceState::STREAM_TO_MIRROR)) {
        isRemoteCasting_ = (castState == static_cast<int32_t>(CastEngine::DeviceState::STREAM));
        SLOGI("isRemoteCasting_ is %{public}d", isRemoteCasting_.load());
    }
}

void AVRouterImpl::OnCastStateChange(int32_t castState, DeviceInfo deviceInfo, int32_t reasonCode)
{
    UpdateConnectState(castState);
    switch (castState) {
        case static_cast<int32_t>(CastEngine::DeviceState::STREAM):
            connectedDeviceInfo_ = deviceInfo;
            if (sinkAllConnectResult_ != AVSESSION_SUCCESS) {
                sinkAllConnectResult_ = AVSESSION_SUCCESS;
                DestroyCastSessionCreated();
                return;
            }
            break;
        case static_cast<int32_t>(CastEngine::DeviceState::DISCONNECTED):
            sinkAllConnectResult_ = AVSESSION_SUCCESS;
            castSide_ = CAST_SIDE::DEFAULT;
            {
                std::lock_guard lockGuard(servicePtrLock_);
                servicePtr_->SetIsSupportMirrorToStream(false);
                servicePtr_->checkEnableCast(false);
            }
            break;
    }

    std::lock_guard lockGuard(castHandleToInfoMapLock_);
    for (const auto& [number, castHandleInfo] : castHandleToInfoMap_) {
        if (castHandleInfo.avRouterListener_ != nullptr) {
            SLOGI("trigger the OnCastStateChange for registered avRouterListener");
            std::shared_ptr<IAVRouterListener> listener = castHandleInfo.avRouterListener_;
            AVSessionEventHandler::GetInstance().AVSessionPostTask([listener, castState, deviceInfo, reasonCode]() {
                CHECK_AND_RETURN_LOG(listener != nullptr, "listener is nullptr");
                listener->OnCastStateChange(castState, deviceInfo, true, reasonCode);
                }, "OnCastStateChange", 0);
            if (castState == disconnectStateFromCast_) {
                OutputDeviceInfo localDevice;
                DeviceInfo localInfo;
                localInfo.castCategory_ = AVCastCategory::CATEGORY_LOCAL;
                localInfo.deviceId_ = "-1";
                localInfo.deviceName_ = "LocalDevice";
                localDevice.deviceInfos_.emplace_back(localInfo);
                castHandleToInfoMap_[number].outputDeviceInfo_ = localDevice;
            }
            if (number == INT64_MAX) {
                castHandleToInfoMap_[number].avRouterListener_ = nullptr;
            }
        }
    }
}

void AVRouterImpl::OnCastEventRecv(int32_t errorCode, std::string& errorMsg)
{
    if (errorCode == static_cast<int32_t>(CastEngine::EventId::STREAM_TO_MIRROR_FROM_SINK)) {
        HandleStreamToMirrorFromSinkEvent();
    }

    std::lock_guard lockGuard(castHandleToInfoMapLock_);
    for (const auto& [number, castHandleInfo] : castHandleToInfoMap_) {
        if (castHandleInfo.avRouterListener_ != nullptr) {
            SLOGI("trigger the OnCastEventRecv for registered avRouterListener");
            castHandleInfo.avRouterListener_->OnCastEventRecv(errorCode, errorMsg);
        }
    }
}

void AVRouterImpl::HandleStreamToMirrorFromSinkEvent()
{
    SetStreamToMirrorFromSink(true);
    UpdateConnectState(disconnectStateFromCast_);
    int32_t disconnectState;
    DeviceInfo connectedDeviceInfo;
    int32_t noReasonCode;
    {
        std::lock_guard lockGuard(servicePtrLock_);
        CHECK_AND_RETURN_LOG(servicePtr_ != nullptr, "servicePtr_ is nullptr");
        disconnectState = disconnectStateFromCast_;
        connectedDeviceInfo = connectedDeviceInfo_;
        noReasonCode = noReasonCode_;
        servicePtr_->SetIsSupportMirrorToStream(false);
    }
    std::lock_guard lockGuard(castHandleToInfoMapLock_);
    for (const auto& [number, castHandleInfo] : castHandleToInfoMap_) {
        CHECK_AND_CONTINUE(castHandleInfo.avRouterListener_ != nullptr);
        SLOGI("trigger the OnCastStateChange for registered avRouterListener");
        std::shared_ptr<IAVRouterListener> listener = castHandleInfo.avRouterListener_;
        AVSessionEventHandler::GetInstance().AVSessionPostTask([listener, disconnectState,
            connectedDeviceInfo, noReasonCode]() {
            CHECK_AND_RETURN_LOG(listener != nullptr, "listener is nullptr");
            listener->OnCastStateChange(disconnectState, connectedDeviceInfo, false, noReasonCode);
            }, "OnCastStateChange", 0);
    }
}

void AVRouterImpl::SetStreamToMirrorFromSink(bool fromSink)
{
    SLOGI("SetStreamToMirrorFromSink: %{public}d", fromSink);
    streamToMirrorFromSink_.store(fromSink);
}

bool AVRouterImpl::IsStreamToMirrorFromSink()
{
    return streamToMirrorFromSink_.load();
}

bool AVRouterImpl::IsDisconnectingOtherSession()
{
    return disconnectOtherSession_.load();
}

void AVRouterImpl::SendCommandArgsToCast(const int64_t castHandle, const int32_t commandType,
    const std::string& params)
{
    SLOGI("AVRouterImpl start send commandArgs to cast");
 
    // the first 32 bits are providerId, the last 32 bits are castId
    int32_t providerNumber = static_cast<int32_t>(static_cast<const uint64_t>(castHandle) >> 32);
    SLOGI("Get hwcastprovider of provider %{public}d", providerNumber);
 
    int32_t castId = static_cast<int32_t>((static_cast<const uint64_t>(castHandle) << 32) >> 32);

    std::shared_ptr<AVCastProvider> provider = GetCastProvider(providerNumber);
    CHECK_AND_RETURN_LOG(provider != nullptr, "provider is nullptr");
    provider->SendCommandArgsToCast(castId, commandType, params);
}

std::string AVRouterImpl::QueryCastSessionId(const int64_t castHandle)
{
    SLOGI("AVRouterImpl start query castsessionid");

    // the first 32 bits are providerId, the last 32 bits are castId
    int32_t providerNumber = static_cast<int32_t>(static_cast<const uint64_t>(castHandle) >> 32);
    SLOGI("Get hwcastprovider of provider %{public}d", providerNumber);
 
    int32_t castId = static_cast<int32_t>((static_cast<const uint64_t>(castHandle) << 32) >> 32);

    std::shared_ptr<AVCastProvider> provider = GetCastProvider(providerNumber);
    CHECK_AND_RETURN_RET_LOG(provider != nullptr, "", "provider is nullptr");
    return provider->QueryCastSessionId(castId);
}

int32_t AVRouterImpl::PcmCastSessionReleasePlayer()
{
    CHECK_AND_RETURN_RET_LOG(servicePtr_ != nullptr, AVSESSION_ERROR, "servicePtr_ is nullptr");

    return servicePtr_->PcmCastSessionReleasePlayer();
}

void AVRouterImpl::DisconnectOtherSession(std::string sessionId, DeviceInfo deviceInfo)
{
    disconnectOtherSession_.store(true);
    std::vector<std::shared_ptr<IAVRouterListener>> listenersToNotify;
    {
        std::lock_guard lockGuard(castHandleToInfoMapLock_);
        for (const auto& [string, avRouterListener] : mirrorSessionMap_) {
            if (string != sessionId && avRouterListener != nullptr) {
                listenersToNotify.push_back(avRouterListener);
            }
        }
        for (auto& [number, castHandleInfo] : castHandleToInfoMap_) {
            CHECK_AND_CONTINUE(castHandleInfo.sessionId_ != sessionId);
            CHECK_AND_CONTINUE(castHandleInfo.avRouterListener_ != nullptr);
            CHECK_AND_CONTINUE(mirrorSessionMap_[sessionId] != nullptr);
            listenersToNotify.push_back(castHandleInfo.avRouterListener_);
            castHandleInfo.sessionId_ = sessionId;
            castHandleInfo.avRouterListener_ = mirrorSessionMap_[sessionId];
        }
        mirrorSessionMap_.clear();
    }
    for (auto& listener : listenersToNotify) {
        listener->OnCastStateChange(disconnectStateFromCast_, deviceInfo, false, noReasonCode_);
    }
    disconnectOtherSession_.store(false);
}
} // namespace OHOS::AVSession