Namonay/ft_ping
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added signal handling

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vauden
2024-09-16 20:49:53 +02:00
parent 9e2016eff5
commit abbcf06dcd
1 changed files with 4 additions and 1 deletions
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5
main.c
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@@ -49,6 +49,7 @@ int ft_ping(int sock, int seq, struct sockaddr_in dst)
fprintf(stderr, "ERROR : sendto() failed\n"); fprintf(stderr, "ERROR : sendto() failed\n");
return (0); return (0);
} }
n_packet_sent++;
return (1); return (1);
} }
@@ -67,6 +68,7 @@ int ft_recv(int sock, int seq, char *ip, double start)
time = (get_timestamp() - start) * 1000000; time = (get_timestamp() - start) * 1000000;
if (icmp_hdr->seq != seq || calculate_checksum((uint16_t *)data, sizeof(data))) if (icmp_hdr->seq != seq || calculate_checksum((uint16_t *)data, sizeof(data)))
return (-1); return (-1);
n_packet_recv++;
printf("%d bytes from %s: icmp_seq:%d time:%5.3fms\n", n_bytes, ip, icmp_hdr->seq, time); printf("%d bytes from %s: icmp_seq:%d time:%5.3fms\n", n_bytes, ip, icmp_hdr->seq, time);
return (0); return (0);
} }
@@ -109,6 +111,7 @@ int main(int argc, char **argv)
fprintf(stderr, "ERROR : %s is an invalid adress\n", argv[1]); fprintf(stderr, "ERROR : %s is an invalid adress\n", argv[1]);
return (0); return (0);
} }
init_signal();
dst.sin_family = AF_INET; dst.sin_family = AF_INET;
dst.sin_port = 0; dst.sin_port = 0;
sock = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP); sock = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
@@ -127,7 +130,7 @@ int main(int argc, char **argv)
sleep(1); sleep(1);
} }
printf("--- %s ping statistics ---\n", ip); printf("--- %s ping statistics ---\n", ip);
printf("%d packed transmitted %d received, %5.1f%% packet loss", n_packet_sent, n_packet_recv, (double)(n_packet_sent / n_packet_sent) * 100); printf("%d packed transmitted, %d received, %2.1f%% packet loss\n", n_packet_sent, n_packet_recv, (double)((n_packet_sent / n_packet_sent) - 1) * 100);
close(sock); close(sock);
return (0); return (0);
} }