#include <cstdlib>
#include <string>
#include <curl/curl.h>

using namespace std;

static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
{
    ((std::string*)userp)->append((char*)contents, size * nmemb);
    return size * nmemb;
}

int main(){
  CURL *curl;
  CURLcode res;
  std::string readBuffer;
  std::string password = "123456789";
  curl = curl_easy_init();
  if(curl) {
    curl_easy_setopt(curl, CURLOPT_URL, "");
    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
	curl_easy_setopt(curl, CURLOPT_POST, 1);
  	curl_easy_setopt(curl, CURLOPT_POSTFIELDS, "pass="+password);
    res = curl_easy_perform(curl);
    curl_easy_cleanup(curl);

   // std::cout << readBuffer << std::en;dl;

	system("stty -F /dev/serial0 19200");
	echo(readBuffer);
  }
  else{
  	return 200;
  }
	return 0;
}