/*
 * Copyright (C) The Android Open Source Project
 * Copyright (C) 2025 oxmc / PawletOS
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <android-base/logging.h>
#include <android/binder_manager.h>
#include <android/binder_process.h>

#include "BootControl.h"

using aidl::android::hardware::boot::BootControl;
using aidl::android::hardware::boot::IBootControl;

// Block device paths — resolved at runtime via the GPT "by-name" symlinks
// that ueventd creates from the partition labels set by mkimg.sh / sgdisk.
static constexpr const char* kMiscDevice  = "/dev/block/by-name/misc";
static constexpr const char* kBootADevice = "/dev/block/by-name/boot_a";
static constexpr const char* kBootBDevice = "/dev/block/by-name/boot_b";

int main() {
    android::base::InitLogging(nullptr, android::base::KernelLogger);

    // Single-threaded is sufficient — update_engine calls are serialised.
    ABinderProcess_setThreadPoolMaxThreadCount(0);

    auto bc = ndk::SharedRefBase::make<BootControl>(
            kMiscDevice, kBootADevice, kBootBDevice);

    const std::string instance =
            std::string(IBootControl::descriptor) + "/default";

    binder_status_t status =
            AServiceManager_addService(bc->asBinder().get(), instance.c_str());
    if (status != STATUS_OK) {
        LOG(FATAL) << "Failed to register " << instance
                   << " (binder status=" << status << ")";
        return 1;
    }

    LOG(INFO) << "PawletOS boot_control HAL ready: " << instance;
    ABinderProcess_joinThreadPool();

    // joinThreadPool only returns on a fatal error.
    return EXIT_FAILURE;
}