host/vadb/usb_cmd_control_transfer.h

/*
 * Copyright (C) 2017 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.
 */
#pragma once

#include <memory>

#include <stdint.h>

#include "common/libs/usbforward/protocol.h"
#include "host/vadb/usb_cmd.h"
#include "host/vadb/usbip/device.h"

namespace vadb {
// Execute control transfer.
class USBCmdControlTransfer : public USBCommand {
 public:
  USBCmdControlTransfer(uint8_t bus_id, uint8_t dev_id, uint8_t type,
                        uint8_t request, uint16_t value, uint16_t index,
                        uint32_t timeout, std::vector<uint8_t> data,
                        usbip::Device::AsyncTransferReadyCB callback);

  ~USBCmdControlTransfer() override = default;

  // Return usbforward command this instance is executing.
  usb_forward::Command Command() override {
    return usb_forward::CmdControlTransfer;
  }

  // Send request body to the server.
  // Return false, if communication failed.
  bool OnRequest(const avd::SharedFD& data) override;

  // Receive response data from the server.
  // Return false, if communication failed.
  bool OnResponse(bool is_success, const avd::SharedFD& data) override;

 private:
  usb_forward::ControlTransfer req_;
  std::vector<uint8_t> data_;
  usbip::Device::AsyncTransferReadyCB callback_;

  USBCmdControlTransfer(const USBCmdControlTransfer& other) = delete;
  USBCmdControlTransfer& operator=(const USBCmdControlTransfer& other) = delete;
};
}  // namespace vadb