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add: error message

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starnakin
2025-11-20 10:37:16 -06:00
parent 214abd7ddd
commit c6289081e7
7 changed files with 200 additions and 97 deletions
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31
src/print.c
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@@ -1,8 +1,10 @@
#include "icmp_error.h"
#include "interval.h"
#include "setting.h"
#include "statistics.h"
#include <arpa/inet.h>
#include <bits/types/struct_timeval.h>
#include <netinet/in.h>
#include <netinet/ip.h>
@@ -47,16 +49,35 @@ void print_statistics(struct statistics const *stats, struct setting const *sett
stats->packets_received,
(double) stats->packets_received * 100 / (double) stats->packets_sent
);
// TODO fix packet lost calcul
}
void print_recv(const struct setting *settings, const struct icmphdr *header, const struct timeval *start, const struct timeval *stop)
static const char *get_message_description(const uint8_t type, const uint8_t code)
{
switch(type)
{
case 0:
return "icmp_seq=%d ttl=%d time=%.3f ms";
case ICMP_DEST_UNREACH:
return (net_icmp_unreach_messages[code]);
case ICMP_REDIRECT:
return (net_icmp_redirect_messages[code]);
case ICMP_TIME_EXCEEDED:
return (net_icmp_time_messages[code]);
}
return (NULL);
}
printf("%zu bytes from %s: icmp_seq=%d ttl=%d time=%.3f ms\n",
settings->payload_size + sizeof(struct icmphdr),
settings->dest.ipstr,
void print_recv(const struct setting *settings, const struct icmphdr *header, const struct timeval *start, const struct timeval *stop, struct sockaddr_in const *sender)
{
char *ipstr = inet_ntoa(sender->sin_addr);
printf("%zu", settings->payload_size + sizeof(struct icmphdr) + ((header->type == 0) ? 0 : sizeof(struct iphdr)));
printf(" bytes from %s: ", ipstr);
printf(get_message_description(header->type, header->code),
htons(header->un.echo.sequence),
settings->ttl,
get_interval(start, stop)
);
}
printf("\n");
}