Initial definition of the Dumpstate HIDL interfaces.

// This file is autogenerated by hidl-gen. Do not edit manually.

genrule {

    name: "android.hardware.dumpstate@1.0_genc++",

    tools: ["hidl-gen"],

    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces android.hardware.dumpstate@1.0",

    srcs: [

        "IDumpstateDevice.hal",

    ],

    out: [

        "android/hardware/dumpstate/1.0/DumpstateDeviceAll.cpp",

    ],

}

genrule {

    name: "android.hardware.dumpstate@1.0_genc++_headers",

    tools: ["hidl-gen"],

    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces android.hardware.dumpstate@1.0",

    srcs: [

        "IDumpstateDevice.hal",

    ],

    out: [

        "android/hardware/dumpstate/1.0/IDumpstateDevice.h",

        "android/hardware/dumpstate/1.0/IHwDumpstateDevice.h",

        "android/hardware/dumpstate/1.0/BnDumpstateDevice.h",

        "android/hardware/dumpstate/1.0/BpDumpstateDevice.h",

        "android/hardware/dumpstate/1.0/BsDumpstateDevice.h",

    ],

}

cc_library_shared {

    name: "android.hardware.dumpstate@1.0",

    generated_sources: ["android.hardware.dumpstate@1.0_genc++"],

    generated_headers: ["android.hardware.dumpstate@1.0_genc++_headers"],

    export_generated_headers: ["android.hardware.dumpstate@1.0_genc++_headers"],

    shared_libs: [

        "libhidlbase",

        "libhidltransport",

        "libhwbinder",

        "libutils",

        "libcutils",

    ],

    export_shared_lib_headers: [

        "libhidlbase",

        "libhidltransport",

        "libhwbinder",

        "libutils",

    ],

}

/*

 * Copyright (C) 2016 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.

 */

package android.hardware.dumpstate@1.0;

interface IDumpstateDevice {

    /*

     * Dumps device-specific state into the given file descriptor.

     */

    dumpstateBoard(handle h);

};

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE := android.hardware.dumpstate@1.0-impl

LOCAL_MODULE_RELATIVE_PATH := hw

LOCAL_SRC_FILES := \

    DumpstateDevice.cpp \

LOCAL_SHARED_LIBRARIES := \

    android.hardware.dumpstate@1.0 \

    libbase \

    libcutils \

    libhidlbase \

    libhidltransport \

    libhwbinder \

    liblog \

    libutils

LOCAL_STATIC_LIBRARIES := \

    libdumpstateutil

include $(BUILD_SHARED_LIBRARY)

#define LOG_TAG "dumpstate"

#include "DumpstateDevice.h"

#include <log/log.h>

#include "DumpstateUtil.h"

namespace android {

namespace hardware {

namespace dumpstate {

namespace V1_0 {

namespace implementation {

// Methods from ::android::hardware::dumpstate::V1_0::IDumpstateDevice follow.

Return<void> DumpstateDevice::dumpstateBoard(const native_handle_t* handle) {

    if (handle->numFds < 1) {

        ALOGE("no FDs\n");

        return Void();

    }

    int fd = handle->data[0];

    if (fd < 0) {

        ALOGE("invalid FD: %d\n", handle->data[0]);

        return Void();

    }

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

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

    dprintf(fd, "Dumpstate HIDL not provided by device; providing bogus data.\n");

    // Shows some examples on how to use the libdumpstateutils API.

    dprintf(fd, "Time now is: ");

    RunCommandToFd(fd, {"/system/bin/date"});

    dprintf(fd, "Contents of a small file (/system/etc/hosts):\n");

    DumpFileToFd(fd, "/system/etc/hosts");

    return Void();

}

IDumpstateDevice* HIDL_FETCH_IDumpstateDevice(const char* /* name */) {

    // TODO: temporary returning nullptr until it's implemented on master devices

    return nullptr;

//    return new DumpstateDevice();

}

}  // namespace implementation

}  // namespace V1_0

}  // namespace dumpstate

}  // namespace hardware

}  // namespace android

#ifndef ANDROID_HARDWARE_DUMPSTATE_V1_0_DUMPSTATEDEVICE_H

#define ANDROID_HARDWARE_DUMPSTATE_V1_0_DUMPSTATEDEVICE_H

#include <android/hardware/dumpstate/1.0/IDumpstateDevice.h>

#include <hidl/MQDescriptor.h>

#include <hidl/Status.h>

namespace android {

namespace hardware {

namespace dumpstate {

namespace V1_0 {

namespace implementation {

using ::android::hardware::dumpstate::V1_0::IDumpstateDevice;

using ::android::hardware::hidl_array;

using ::android::hardware::hidl_string;

using ::android::hardware::hidl_vec;

using ::android::hardware::Return;

using ::android::hardware::Void;

using ::android::sp;

struct DumpstateDevice : public IDumpstateDevice {

    // Methods from ::android::hardware::dumpstate::V1_0::IDumpstateDevice follow.

    Return<void> dumpstateBoard(const native_handle_t* fd) override;

};

extern "C" IDumpstateDevice* HIDL_FETCH_IDumpstateDevice(const char* name);

}  // namespace implementation

}  // namespace V1_0

}  // namespace dumpstate

}  // namespace hardware

}  // namespace android

#endif  // ANDROID_HARDWARE_DUMPSTATE_V1_0_DUMPSTATEDEVICE_H