#include <poslib/poslib.h>
#include <stdio.h>

int main(int argc, char **argv) {
  if (argc != 3) {
    printf("Usage: %s server zone\n", argv[0]);
    return 0;
  }  
  
  _addr addr, saddr, local;
  DnsMessage *q = NULL, *a = NULL;
  pos_cliresolver res;
  int sockid;
  try {
    txt_to_addr(&local, "local#3001");
    txt_to_addr(&addr, argv[1]);
    sockid = udpcreateserver(&local);

    while (1) {
      q = new DnsMessage();
      q->OPCODE = OPCODE_NOTIFY;
      q->questions.push_back(DnsQuestion(argv[2], QTYPE_ANY));
    
      stl_slist(WaitAnswerData) list;
      stl_slist(WaitAnswerData)::iterator it;
    
      printf("Sending Notify Request... ");
      res.sendmessage(q, &addr, sockid);
      list.push_front(WaitAnswerData(q->ID, addr));
      res.waitanswer(a, list, 5000, it, sockid);
      printf("... message sent\n");
    
      if (a->RCODE != RCODE_NOERROR)
        throw PException(true, "Server answered: %s", str_rcode(a->RCODE).c_str());
      
      printf("Monitoring %s...\n", argv[2]);
     
      delete q; q = NULL; delete a; a = NULL;
      res.waitanswer(q, list, 3600000, it, sockid);
      printf("Zone changed!\n");
/*      a = new DnsMessage();
      a->OPCODE = OPCODE_NOTIFY;
      a->RCODE = RCODE_NOERROR;
      a->AA = true;
      a->QR = true;
      a->questions.push_back(*q->questions.begin());*/
      res.sendmessage(a, &saddr, sockid);
        
      delete q; q = NULL; delete a; a = NULL;
    }
  } catch (PException p) {
    printf("\n*** Fatal error: %s\n", p.message);
  }
  if (q) delete q;
  if (a) delete a;
}