Add default (mock) Contexthub HAL 1.1 impl

/*

 * Copyright (C) 2020 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.

 */

cc_binary {

    name: "android.hardware.contexthub@1.1-service.mock",

    defaults: ["hidl_defaults"],

    vendor: true,

    relative_install_path: "hw",

    init_rc: ["android.hardware.contexthub@1.1-service.rc"],

    srcs: [

        "Contexthub.cpp",

        "service.cpp",

    ],

    cflags: [

        "-Wall",

        "-Werror",

    ],

    shared_libs: [

        "android.hardware.contexthub@1.0",

        "android.hardware.contexthub@1.1",

        "libbase",

        "libcutils",

        "libhardware",

        "libhidlbase",

        "liblog",

        "libutils",

    ],

    vintf_fragments: ["android.hardware.contexthub@1.1.xml"],

}

/*

 * Copyright (C) 2020 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 "Contexthub.h"

#include <vector>

namespace android {

namespace hardware {

namespace contexthub {

namespace V1_1 {

namespace implementation {

using ::android::hardware::contexthub::V1_0::ContextHub;

using ::android::hardware::contexthub::V1_0::HubAppInfo;

using ::android::hardware::contexthub::V1_0::Result;

namespace {

constexpr uint32_t kMockHubId = 0;

}  // anonymous namespace

Return<void> Contexthub::getHubs(getHubs_cb _hidl_cb) {

    ContextHub hub = {};

    hub.name = "Mock Context Hub";

    hub.vendor = "AOSP";

    hub.toolchain = "n/a";

    hub.platformVersion = 1;

    hub.toolchainVersion = 1;

    hub.hubId = kMockHubId;

    hub.peakMips = 1;

    hub.peakPowerDrawMw = 1;

    hub.maxSupportedMsgLen = 4096;

    hub.chrePlatformId = UINT64_C(0x476f6f6754000000);

    hub.chreApiMajorVersion = 1;

    hub.chreApiMinorVersion = 4;

    // Report a single mock hub

    std::vector<ContextHub> hubs;

    hubs.push_back(hub);

    _hidl_cb(hubs);

    return Void();

}

Return<Result> Contexthub::registerCallback(uint32_t hubId, const sp<IContexthubCallback>& cb) {

    if (hubId == kMockHubId) {

        mCallback = cb;

        return Result::OK;

    }

    return Result::BAD_PARAMS;

}

// We don't expose any nanoapps, therefore all nanoapp-related API calls return with BAD_PARAMS

Return<Result> Contexthub::sendMessageToHub(uint32_t /*hubId*/, const ContextHubMsg& /*msg*/) {

    return Result::BAD_PARAMS;

}

Return<Result> Contexthub::loadNanoApp(uint32_t /*hubId*/, const NanoAppBinary& /*appBinary*/,

                                       uint32_t /*transactionId*/) {

    return Result::BAD_PARAMS;

}

Return<Result> Contexthub::unloadNanoApp(uint32_t /*hubId*/, uint64_t /*appId*/,

                                         uint32_t /*transactionId*/) {

    return Result::BAD_PARAMS;

}

Return<Result> Contexthub::enableNanoApp(uint32_t /*hubId*/, uint64_t /*appId*/,

                                         uint32_t /*transactionId*/) {

    return Result::BAD_PARAMS;

}

Return<Result> Contexthub::disableNanoApp(uint32_t /*hubId*/, uint64_t /*appId*/,

                                          uint32_t /*transactionId*/) {

    return Result::BAD_PARAMS;

}

Return<Result> Contexthub::queryApps(uint32_t hubId) {

    if (hubId == kMockHubId && mCallback != nullptr) {

        std::vector<HubAppInfo> nanoapps;

        mCallback->handleAppsInfo(nanoapps);

        return Result::OK;

    }

    return Result::BAD_PARAMS;

}

Return<void> Contexthub::onSettingChanged(Setting /*setting*/, SettingValue /*newValue*/) {

    return Void();

}

}  // namespace implementation

}  // namespace V1_1

}  // namespace contexthub

}  // namespace hardware

}  // namespace android

/*

 * Copyright (C) 2020 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.

 */

#pragma once

#include <android/hardware/contexthub/1.1/IContexthub.h>

namespace android {

namespace hardware {

namespace contexthub {

namespace V1_1 {

namespace implementation {

class Contexthub : public V1_1::IContexthub {

    using ContextHubMsg = ::android::hardware::contexthub::V1_0::ContextHubMsg;

    using IContexthubCallback = ::android::hardware::contexthub::V1_0::IContexthubCallback;

    using NanoAppBinary = ::android::hardware::contexthub::V1_0::NanoAppBinary;

    using Result = ::android::hardware::contexthub::V1_0::Result;

  public:

    // Methods from V1_0::IContexthub

    Return<void> getHubs(getHubs_cb _hidl_cb) override;

    Return<Result> registerCallback(uint32_t hubId,

                                    const ::android::sp<IContexthubCallback>& cb) override;

    Return<Result> sendMessageToHub(uint32_t hubId, const ContextHubMsg& msg) override;

    Return<Result> loadNanoApp(uint32_t hubId, const NanoAppBinary& appBinary,

                               uint32_t transactionId) override;

    Return<Result> unloadNanoApp(uint32_t hubId, uint64_t appId, uint32_t transactionId) override;

    Return<Result> enableNanoApp(uint32_t hubId, uint64_t appId, uint32_t transactionId) override;

    Return<Result> disableNanoApp(uint32_t hubId, uint64_t appId, uint32_t transactionId) override;

    Return<Result> queryApps(uint32_t hubId) override;

    // Methods from V1_1::IContexthub

    Return<void> onSettingChanged(Setting setting, SettingValue newValue) override;

  private:

    sp<IContexthubCallback> mCallback;

};

}  // namespace implementation

}  // namespace V1_1

}  // namespace contexthub

}  // namespace hardware

}  // namespace android

arthuri@google.com

bduddie@google.com

stange@google.com

service vendor.contexthub-hal-1-1-mock /vendor/bin/hw/android.hardware.contexthub@1.1-service.mock

    interface android.hardware.contexthub@1.0::IContexthub default

    interface android.hardware.contexthub@1.1::IContexthub default

    class hal

    user system

    group system