libusb_impl.hpp

// 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.

#pragma once
#include "libusb.hpp"

#include <stdplus/handle/managed.hpp>

#include <chrono>
#include <cstdint>
#include <utility>
#include <vector>

namespace google
{
namespace hoth
{

class LibusbImpl : public LibusbIntf
{
  public:
    int release_interface(libusb_device_handle* handle,
                          int interface_num) override;
    int claim_interface(libusb_device_handle* handle,
                        int interface_num) override;
    int bulk_transfer(libusb_device_handle* dev_handle, unsigned char endpoint,
                      unsigned char* data, int length, int* transferred,
                      unsigned int timeout) override;
    void close(libusb_device_handle* dev_handle) override;
    int get_active_config_descriptor(
        libusb_device* dev, libusb_config_descriptor** config) override;
    int get_bus_number(libusb_device* dev) override;
    int get_port_numbers(libusb_device* dev, uint8_t* port_numbers,
                         int port_numbers_len) override;
    int open(libusb_device* dev, libusb_device_handle** handle) override;
    libusb_device* ref_device(libusb_device* dev) override;
    void unref_device(libusb_device* dev) override;
    ssize_t get_device_list(libusb_context* ctx,
                            libusb_device*** list) override;
    void free_device_list(libusb_device** list, int unref_devices) override;
    void exit(libusb_context* ctx) override;
    int init(libusb_context** ctx) override;
};

extern LibusbImpl libusb_impl;

} // namespace hoth
} // namespace google