rcdiscover_reset.cc

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/*
 * rcdiscover - the network discovery tool for Roboception devices
 *
 * Copyright (c) 2018 Roboception GmbH
 * All rights reserved
 *
 * Author: Raphael Schaller
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "rcdiscover_reset.h"

#include "cli_utils.h"

#include <rcdiscover/discover.h>
#include <rcdiscover/wol.h>

#include <stdexcept>
#include <iostream>
#include <algorithm>
#include <map>

struct ResetCommand
{
  std::string description;
  std::string action;
  std::uint8_t id;
};

static const std::map<std::string, ResetCommand> reset_commands
    {
        {"parameters", {"Reset parameters", "Resetting parameters", 0xAA}},
        {"network", {"Reset network parameters", "Resetting parameters", 0xBB}},
        {"all", {"Reset parameters and network parameters", "Resetting all", 0xFF}},
        {"switch-partition", {"Switch partition", "Switching partition", 0xCC}}
    };

static void printHelp(std::ostream &os, const std::string &command)
{
  os << "Usage: ";
  os << command << " <operation> [<args>]\n";
  os << '\n';
  os << "Available operations are:\n";
  const int max_command_len = getMaxCommandLen(reset_commands);
  for (const auto &cmd : reset_commands)
  {
    const int min_padding = 3;
    const int padding = max_command_len + min_padding -
                        static_cast<int>(cmd.first.length());
    os << "    " << cmd.first;
    os << std::string(static_cast<std::size_t>(padding), ' ');
    os << cmd.second.description << '\n';
  }
  os << '\n';
  os << "Available arguments are:\n";
  os << "    -h, --help         Show this help and exit\n";
  os << "    -f name=<name>     Filter by name\n";
  os << "    -f serial=<serial> Filter by serial number\n";
  os << "    -f mac=<mac>       Filter by MAC address\n";
  os << "    -f iface=<mac>     Filter by interface name\n";
  os << "    -f model=<model>   Filter by model name\n";
  os << "    -y                 Assume 'yes' for all queries\n";
}

int runReset(const std::string &command, int argc, char **argv)
{
  DeviceFilter device_filter{};
  bool yes = false;

  if (argc == 0)
  {
    std::cerr << "No operation specified\n";
    printHelp(std::cerr, command);
    return 1;
  }

  const std::string argv_0 = argv[0];
  if (argv_0 == "-h" || argv_0 == "--help")
  {
    printHelp(std::cout, command);
    return 0;
  }

  const auto reset_command = reset_commands.find(argv_0);
  if (reset_command == std::end(reset_commands))
  {
    std::cout << "Invalid operation specified\n";
    printHelp(std::cerr, command);
    return 1;
  }

  int i = 1;
  while (i < argc)
  {
    std::string p = argv[i++];

    if (p == "-y")
    {
      yes = true;
    }
    else if (p == "-f")
    {
      try
      {
        i += parseFilterArguments(argc - i, argv + i, device_filter);
      }
      catch (const std::invalid_argument &ex)
      {
        std::cerr << ex.what() << std::endl;
        printHelp(std::cerr, command);
        return 1;
      }
    }
    else if (p == "-h" || p == "--help")
    {
      printHelp(std::cout, command);
      return 0;
    }
    else
    {
      std::cerr << "Invalid argument: " << p << '\n';
      printHelp(std::cerr, command);
      return 1;
    }
  }

  if (device_filter.mac.empty() &&
      device_filter.name.empty() &&
      device_filter.serial.empty())
  {
    std::cerr << "No filter set" << std::endl;
    printHelp(std::cerr, command);
    return 1;
  }
  const auto devices = discoverWithFilter(device_filter);

  if (devices.empty())
  {
    std::cout << "No device found" << std::endl;
    return 0;
  }

  std::cout << reset_command->second.action << " of the following devices:\n";
  printDeviceTable(std::cout, devices, true, false, false);

  if (!yes)
  {
    std::cout << "Are you sure? [y/N] ";
    std::string answer;
    std::getline(std::cin, answer);
    if (answer != "y" && answer != "Y")
    {
      std::cout << "Cancel" << std::endl;
      return 0;
    }
  }

  for (const auto &device : devices)
  {
    rcdiscover::WOL wol(device.getMAC(), 9);
    wol.send({{0xEE, 0xEE, 0xEE, reset_command->second.id}});
  }

  std::cout << "Done" << std::endl;

  return 0;
}