main.cpp

/*
 * Copyright (C) 2017 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 <iostream>
#include <vintf/parse_xml.h>
#include <vintf/parse_string.h>
#include <vintf/VintfObject.h>

using namespace ::android::vintf;

std::string existString(bool value) {
    return value ? "GOOD" : "DOES NOT EXIST";
}

std::string compatibleString(int32_t value) {
    switch (value) {
        case COMPATIBLE:
            return "GOOD";
        case INCOMPATIBLE:
            return "INCOMPATIBLE";
        default:
            return strerror(-value);
    }
}

std::string boolCompatString(bool value) {
    return compatibleString(value ? COMPATIBLE : INCOMPATIBLE);
}

std::string deprecateString(int32_t value) {
    switch (value) {
        case NO_DEPRECATED_HALS:
            return "GOOD";
        case DEPRECATED:
            return "DEPRECATED";
        default:
            return strerror(-value);
    }
}

// A convenience binary to dump information available through libvintf.
int main(int, char **) {

    std::cout << "======== Device HAL Manifest =========" << std::endl;

    std::shared_ptr<const HalManifest> vm = VintfObject::GetDeviceHalManifest();
    if (vm != nullptr)
        std::cout << gHalManifestConverter(*vm);

    std::cout << "======== Framework HAL Manifest =========" << std::endl;

    std::shared_ptr<const HalManifest> fm = VintfObject::GetFrameworkHalManifest();
    if (fm != nullptr)
        std::cout << gHalManifestConverter(*fm);

    std::cout << "======== Device Compatibility Matrix =========" << std::endl;

    std::shared_ptr<const CompatibilityMatrix> vcm = VintfObject::GetDeviceCompatibilityMatrix();
    if (vcm != nullptr)
        std::cout << gCompatibilityMatrixConverter(*vcm);

    std::cout << "======== Framework Compatibility Matrix =========" << std::endl;

    std::shared_ptr<const CompatibilityMatrix> fcm = VintfObject::GetFrameworkCompatibilityMatrix();
    if (fcm != nullptr)
        std::cout << gCompatibilityMatrixConverter(*fcm);

    std::cout << "======== Runtime Info =========" << std::endl;

    std::shared_ptr<const RuntimeInfo> ki = VintfObject::GetRuntimeInfo();
    if (ki != nullptr) std::cout << dump(*ki);
    std::cout << std::endl;

    std::cout << "======== Compatibility check =========" << std::endl;
    std::cout << "Device Manifest?    " << existString(vm != nullptr) << std::endl
              << "Device Matrix?      " << existString(vcm != nullptr) << std::endl
              << "Framework Manifest? " << existString(fm != nullptr) << std::endl
              << "Framework Matrix?   " << existString(fcm != nullptr) << std::endl;
    std::string error;
    if (vm && fcm) {
        bool compatible = vm->checkCompatibility(*fcm, &error);
        std::cout << "Device HAL Manifest <==> Framework Compatibility Matrix? "
                  << boolCompatString(compatible);
        if (!compatible)
            std::cout << ", " << error;
        std::cout << std::endl;
    }
    if (fm && vcm) {
        bool compatible = fm->checkCompatibility(*vcm, &error);
        std::cout << "Framework HAL Manifest <==> Device Compatibility Matrix? "
                  << boolCompatString(compatible);
        if (!compatible)
            std::cout << ", " << error;
        std::cout << std::endl;
    }
    if (ki && fcm) {
        bool compatible = ki->checkCompatibility(*fcm, &error);
        std::cout << "Runtime info <==> Framework Compatibility Matrix?        "
                  << boolCompatString(compatible);
        if (!compatible) std::cout << ", " << error;
        std::cout << std::endl;
    }

    {
        auto compatible = VintfObject::CheckCompatibility({}, &error);
        std::cout << "VintfObject::CheckCompatibility?                         "
                  << compatibleString(compatible);
        if (compatible != COMPATIBLE) std::cout << ", " << error;
        std::cout << std::endl;
    }

    if (vm && fcm) {
        auto deprecate = VintfObject::CheckDeprecation(&error);
        std::cout << "VintfObject::CheckDeprecation (against device manifest)? "
                  << deprecateString(deprecate);
        if (deprecate != NO_DEPRECATED_HALS) std::cout << ", " << error;
        std::cout << std::endl;
    }
}