ESPEasy/src/_C003.cpp

#include "src/Helpers/_CPlugin_Helper.h"
#ifdef USES_C003

// #######################################################################################################
// ########################### Controller Plugin 003: Nodo Telnet  #######################################
// #######################################################################################################

# define CPLUGIN_003
# define CPLUGIN_ID_003         3
# define CPLUGIN_NAME_003       "Nodo Telnet"

bool CPlugin_003(CPlugin::Function function, struct EventStruct *event, String& string)
{
  bool success = false;

  switch (function)
  {
    case CPlugin::Function::CPLUGIN_PROTOCOL_ADD:
    {
      ProtocolStruct& proto = getProtocolStruct(event->idx); //      = CPLUGIN_ID_003;
      proto.usesMQTT     = false;
      proto.usesAccount  = false;
      proto.usesPassword = true;
      proto.defaultPort  = 23;
      proto.usesID       = true;
      break;
    }

    case CPlugin::Function::CPLUGIN_GET_DEVICENAME:
    {
      string = F(CPLUGIN_NAME_003);
      break;
    }

    case CPlugin::Function::CPLUGIN_INIT:
    {
      success = init_c003_delay_queue(event->ControllerIndex);
      break;
    }

    case CPlugin::Function::CPLUGIN_EXIT:
    {
      exit_c003_delay_queue();
      break;
    }

    case CPlugin::Function::CPLUGIN_PROTOCOL_SEND:
    {
      if (C003_DelayHandler == nullptr) {
        break;
      }

      if (C003_DelayHandler->queueFull(event->ControllerIndex)) {
        break;
      }

      // We now create a URI for the request
      String url = strformat(
        F("variableset %d,%s\n"),
        event->idx,
        formatUserVarNoCheck(event, 0).c_str());
      constexpr unsigned size = sizeof(C003_queue_element);
      void *ptr               = special_calloc(1, size);

      if (ptr != nullptr) {
        UP_C003_queue_element  element(
          new (ptr) C003_queue_element(
            event->ControllerIndex,
            event->TaskIndex,
            std::move(url)));

        success = C003_DelayHandler->addToQueue(std::move(element));
      }
      Scheduler.scheduleNextDelayQueue(SchedulerIntervalTimer_e::TIMER_C003_DELAY_QUEUE, C003_DelayHandler->getNextScheduleTime());

      break;
    }

    case CPlugin::Function::CPLUGIN_FLUSH:
    {
      process_c003_delay_queue();
      delay(0);
      break;
    }

    default:
      break;
  }
  return success;
}

// Uncrustify may change this into multi line, which will result in failed builds
// *INDENT-OFF*
bool do_process_c003_delay_queue(cpluginID_t cpluginID, const Queue_element_base& element_base, ControllerSettingsStruct& ControllerSettings) {
  const C003_queue_element& element = static_cast<const C003_queue_element&>(element_base);
// *INDENT-ON*
bool success = false;

// Use WiFiClient class to create TCP connections
WiFiClient client;

if (!try_connect_host(cpluginID, client, ControllerSettings, F("TELNT: ")))
{
  return success;
}

// strcpy_P(log, PSTR("TELNT: Sending enter"));
// addLog(LOG_LEVEL_ERROR, log);
client.print(" \n");

unsigned long timer = millis() + 200;

while (!client_available(client) && !timeOutReached(timer)) {
  delay(1);
}

timer = millis() + 1000;

while (client_available(client) && !timeOutReached(timer) && !success)
{
  //   String line = client.readStringUntil('\n');
  String line;
  safeReadStringUntil(client, line, '\n');

  if (line.startsWith(F("Enter your password:")))
  {
    success = true;
      # ifndef BUILD_NO_DEBUG
    addLog(LOG_LEVEL_DEBUG, F("TELNT: Password request ok"));
      # endif
  }
  delay(1);
}
  # ifndef BUILD_NO_DEBUG
addLog(LOG_LEVEL_DEBUG, F("TELNT: Sending pw"));
  # endif
client.println(getControllerPass(element._controller_idx, ControllerSettings));
delay(100);

while (client_available(client)) {
  client.read();
}

  # ifndef BUILD_NO_DEBUG
addLog(LOG_LEVEL_DEBUG, F("TELNT: Sending cmd"));
  # endif
client.print(element.txt);
delay(10);

while (client_available(client)) {
  client.read();
}

  # ifndef BUILD_NO_DEBUG
addLog(LOG_LEVEL_DEBUG, F("TELNT: closing connection"));
  # endif

client.stop();
return success;
}

#endif // ifdef USES_C003