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  1. #include <iostream>
  2. #include <arpa/inet.h>
  3. #include <unistd.h>
  4. #include <sys/socket.h>
  5. #include <sys/types.h>
  6. #include <stdio.h>
  7. #include <string.h>
  8. #include <stdlib.h>
  9.  
  10.  
  11. using namespace std;
  12.  
  13. int main()
  14. {
  15. 	char buf[255];
  16. 	struct sockaddr_in si_other;
  17. 	int s, slen=sizeof(si_other);
  18. 	if ((s=socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP))==-1)
  19. 		cout << "socket\n";
  20. 	memset((char *) &si_other, 0, sizeof(si_other));
  21. 	si_other.sin_family = AF_INET;
  22. 	si_other.sin_port = htons(3478);
  23. 	if (inet_aton("217.10.68.152", &si_other.sin_addr)==0) // stun adres
  24. 	{
  25. 		fprintf(stderr, "inet_aton() failed\n");
  26. 		exit(1);
  27. 	}
  28. 	while (1)
  29. 	{
  30. 		usleep(10000);
  31. 		cout << "input_mess >>>";
  32. 		cin >> buf;
  33. 		if (sendto(s, buf, strlen(buf), 0, (struct sockaddr *)&si_other, slen)==-1)
  34. 			cout << "sendto()\n";
  35. 		for(int i = 0; i < 255; i++)
  36. 			buf[i] = 0;
  37.         if (recvfrom(s, buf, 255, 0, (struct sockaddr *) &si_other,(socklen_t*) &slen) == -1)
  38.         {
  39.             cout << "recvfrom()\n";
  40.         }
  41.  
  42.         cout << buf << endl;
  43.  
  44. 	}
  45. 	close(s);
  46. }
Time limit exceeded #stdin #stdout 5s 3460KB
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https://ideone.com/knBvgP
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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