Merge "Add default/android.hardware.dumpstate@1.1-service.example"

cc_binary {

    name: "android.hardware.dumpstate@1.1-service.example",

    vendor: true,

    relative_install_path: "hw",

    defaults: ["hidl_defaults"],

    init_rc: [

        "android.hardware.dumpstate@1.1-service.example.rc",

    ],

    vintf_fragments: [

        "android.hardware.dumpstate@1.1-service.example.xml",

    ],

    srcs: ["main.cpp"],

    shared_libs: [

        "android.hardware.dumpstate@1.0",

        "android.hardware.dumpstate@1.1",

        "libbase",

        "libcutils",

        "libdumpstateutil",

        "libhidlbase",

        "liblog",

        "libutils",

    ],

    cflags: [

        "-DLOG_TAG=\"android.hardware.dumpstate@1.1-service.example\"",

    ],

}

service dumpstate-1-1 /vendor/bin/hw/android.hardware.dumpstate@1.1-service.example

    class hal

    user nobody

    group nobody

    interface android.hardware.dumpstate@1.0::IDumpstateDevice default

    interface android.hardware.dumpstate@1.1::IDumpstateDevice default

    oneshot

    disabled

<manifest version="1.0" type="device">

    <hal format="hidl">

        <name>android.hardware.dumpstate</name>

        <transport>hwbinder</transport>

        <version>1.1</version>

        <interface>

            <name>IDumpstateDevice</name>

            <instance>default</instance>

        </interface>

    </hal>

</manifest>

/*

 * 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 <android-base/properties.h>

#include <android/hardware/dumpstate/1.1/IDumpstateDevice.h>

#include <android/hardware/dumpstate/1.1/types.h>

#include <hidl/HidlLazyUtils.h>

#include <hidl/HidlSupport.h>

#include <hidl/HidlTransportSupport.h>

#include <log/log.h>

#include "DumpstateUtil.h"

namespace {

using ::android::hardware::hidl_handle;

using ::android::hardware::Return;

using ::android::hardware::Void;

using ::android::hardware::dumpstate::V1_1::DumpstateMode;

using ::android::hardware::dumpstate::V1_1::DumpstateStatus;

using ::android::hardware::dumpstate::V1_1::IDumpstateDevice;

using ::android::os::dumpstate::DumpFileToFd;

const char kVerboseLoggingProperty[] = "persist.dumpstate.verbose_logging.enabled";

struct DumpstateDevice : public IDumpstateDevice {

    // 1.1

    Return<DumpstateStatus> dumpstateBoard_1_1(const hidl_handle& handle, const DumpstateMode mode,

                                               uint64_t /*timeoutMillis*/) override {

        if (handle == nullptr || handle->numFds < 1) {

            ALOGE("no FDs\n");

            return DumpstateStatus::ILLEGAL_ARGUMENT;

        }

        int fd = handle->data[0];

        if (fd < 0) {

            ALOGE("invalid FD: %d\n", fd);

            return DumpstateStatus::ILLEGAL_ARGUMENT;

        }

        switch (mode) {

            case DumpstateMode::FULL:

                return dumpstateBoardImpl(fd, true);

            case DumpstateMode::DEFAULT:

                return dumpstateBoardImpl(fd, false);

            case DumpstateMode::INTERACTIVE:

            case DumpstateMode::REMOTE:

            case DumpstateMode::WEAR:

            case DumpstateMode::CONNECTIVITY:

            case DumpstateMode::WIFI:

            case DumpstateMode::PROTO:

                ALOGE("The requested mode is not supported: %s\n", toString(mode).c_str());

                return DumpstateStatus::UNSUPPORTED_MODE;

            default:

                ALOGE("The requested mode is invalid: %s\n", toString(mode).c_str());

                return DumpstateStatus::ILLEGAL_ARGUMENT;

        }

    }

    Return<void> setVerboseLoggingEnabled(bool enable) override {

        ::android::base::SetProperty(kVerboseLoggingProperty, enable ? "true" : "false");

        return Void();

    }

    Return<bool> getVerboseLoggingEnabled() override { return getVerboseLoggingEnabledImpl(); }

    // 1.0

    Return<void> dumpstateBoard(const hidl_handle& h) override {

        dumpstateBoard_1_1(h, DumpstateMode::DEFAULT, 0);

        return Void();

    }

    DumpstateStatus dumpstateBoardImpl(const int fd, const bool full) {

        ALOGD("DumpstateDevice::dumpstateBoard() FD: %d\n", fd);

        ALOGI("Dumpstate HIDL not provided by device\n");

        dprintf(fd, "verbose logging: %s\n",

                getVerboseLoggingEnabledImpl() ? "enabled" : "disabled");

        dprintf(fd, "[%s] %s\n", (full ? "full" : "default"), "Hello, world!");

        // Shows an example on how to use the libdumpstateutil API.

        DumpFileToFd(fd, "cmdline", "/proc/self/cmdline");

        return DumpstateStatus::OK;

    }

    static bool getVerboseLoggingEnabledImpl() {

        return ::android::base::GetBoolProperty(kVerboseLoggingProperty, false);

    }

};

}  // namespace

int main(int, char**) {

    using ::android::sp;

    using ::android::hardware::configureRpcThreadpool;

    using ::android::hardware::joinRpcThreadpool;

    using ::android::hardware::LazyServiceRegistrar;

    configureRpcThreadpool(1, true);

    auto dumpstate = sp<DumpstateDevice>::make();

    auto serviceRegistrar = LazyServiceRegistrar::getInstance();

    if (serviceRegistrar.registerService(dumpstate) != ::android::OK) {

        ALOGE("Could not register service.");

        return 1;

    }

    joinRpcThreadpool();

    return 0;

}