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Commit 44ab821b authored by Devin Moore's avatar Devin Moore Committed by Android (Google) Code Review
Browse files

Merge "libtunerservice: Use libfmq MQDescriptor conversion function"

parents 56dec886 95bd53d0

services/tuner/TunerService.cpp

+1 −44
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#define LOG_TAG "TunerService"



#include <android/binder_manager.h>

#include <fmq/ConvertMQDescriptors.h>

#include <utils/Log.h>

#include "TunerService.h"

#include "TunerFrontend.h"
@@ -57,50 +58,6 @@ void TunerService::instantiate() { 
    AServiceManager_addService(service->asBinder().get(), getServiceName());

}



template <typename HidlPayload, typename AidlPayload, typename AidlFlavor>

bool TunerService::unsafeHidlToAidlMQDescriptor(

        const hardware::MQDescriptor<HidlPayload, FlavorTypeToValue<AidlFlavor>::value>& hidlDesc,

        MQDescriptor<AidlPayload, AidlFlavor>* aidlDesc) {

    // TODO: use the builtin coversion method when it's merged.

    ALOGD("unsafeHidlToAidlMQDescriptor");

    static_assert(sizeof(HidlPayload) == sizeof(AidlPayload), "Payload types are incompatible");

    static_assert(

            has_typedef_fixed_size<AidlPayload>::value == true ||

            is_fundamental<AidlPayload>::value ||

            is_enum<AidlPayload>::value,

            "Only fundamental types, enums, and AIDL parcelables annotated with @FixedSize "

            "and built for the NDK backend are supported as AIDL payload types.");

    aidlDesc->fileDescriptor = ndk::ScopedFileDescriptor(dup(hidlDesc.handle()->data[0]));

    for (const auto& grantor : hidlDesc.grantors()) {

        if (static_cast<int32_t>(grantor.offset) < 0 || static_cast<int64_t>(grantor.extent) < 0) {

            ALOGD("Unsafe static_cast of grantor fields. offset=%d, extend=%ld",

                    static_cast<int32_t>(grantor.offset), static_cast<long>(grantor.extent));

            logError(

                    "Unsafe static_cast of grantor fields. Either the hardware::MQDescriptor is "

                    "invalid, or the MessageQueue is too large to be described by AIDL.");

            return false;

        }

        aidlDesc->grantors.push_back(

                GrantorDescriptor {

                        .offset = static_cast<int32_t>(grantor.offset),

                        .extent = static_cast<int64_t>(grantor.extent)

                });

    }

    if (static_cast<int32_t>(hidlDesc.getQuantum()) < 0 ||

            static_cast<int32_t>(hidlDesc.getFlags()) < 0) {

        ALOGD("Unsafe static_cast of quantum or flags. Quantum=%d, flags=%d",

                static_cast<int32_t>(hidlDesc.getQuantum()),

                static_cast<int32_t>(hidlDesc.getFlags()));

        logError(

                "Unsafe static_cast of quantum or flags. Either the hardware::MQDescriptor is "

                "invalid, or the MessageQueue is too large to be described by AIDL.");

        return false;

    }

    aidlDesc->quantum = static_cast<int32_t>(hidlDesc.getQuantum());

    aidlDesc->flags = static_cast<int32_t>(hidlDesc.getFlags());

    return true;

}



bool TunerService::getITuner() {

    ALOGD("getITuner");

    if (mTuner != nullptr) {

services/tuner/TunerService.h

+0 −5
Original line number Diff line number Diff line
@@ -105,11 +105,6 @@ public: 
    Status openDemux(int32_t demuxHandle, std::shared_ptr<ITunerDemux>* _aidl_return) override;



private:

    template <typename HidlPayload, typename AidlPayload, typename AidlFlavor>

    bool unsafeHidlToAidlMQDescriptor(

            const hardware::MQDescriptor<HidlPayload, FlavorTypeToValue<AidlFlavor>::value>& hidl,

            MQDescriptor<AidlPayload, AidlFlavor>* aidl);



    bool getITuner();

    Result configFilter();