libhoth_usb.cpp

// Copyright 2024 Google LLC
//
// 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 "libhoth_usb.hpp"

#include <stdexcept>
#include <type_traits>

// NOLINTNEXTLINE(cert-dcl58-cpp)
namespace google
{
namespace hoth
{
namespace
{
template <typename T>
int convertStatus(T status)
{
    if constexpr (std::is_same_v<std::decay_t<T>, int>)
    {
        return status;
    }
    else
    {
        return static_cast<int>(
            static_cast<int32_t>(LIBHOTH_ERR_GET_CODE(status)));
    }
}
} // namespace

int LibHothUsbImpl::open(const option* opt, device** dev)
{
    return convertStatus(::libhoth_usb_open(opt, dev));
}

int LibHothUsbImpl::send(device* dev, const void* request, size_t size)
{
    return convertStatus(::libhoth_send_request(dev, request, size));
}

int LibHothUsbImpl::recv(device* dev, void* response, size_t response_size,
                         size_t* actual_size, int timeout_ms)
{
    return convertStatus(::libhoth_usb_receive_response(
        dev, response, response_size, actual_size, timeout_ms));
}

int LibHothUsbImpl::close(device* dev)
{
    return convertStatus(::libhoth_usb_close(dev));
}

int LibHothUsbImpl::claim(device* dev)
{
    return convertStatus(dev->claim(dev));
}

int LibHothUsbImpl::release(device* dev)
{
    return convertStatus(dev->release(dev));
}

LibHothUsbImpl libhoth_usb;
} // namespace hoth

} // namespace google