source: tools/tracereport/error_report.c @ 130a0e4

#include <netdb.h>
#include <inttypes.h>
#include <stdio.h>
#include "libtrace.h"
#include "tracereport.h"

static uint64_t rx_errors = 0;
static uint64_t ip_errors = 0;
static uint64_t tcp_errors = 0;

void error_per_packet(struct libtrace_packet_t *packet)
{
        struct libtrace_ip *ip = trace_get_ip(packet);
        struct libtrace_tcp *tcp = trace_get_tcp(packet);
        void *link = trace_get_link(packet);
        if (!link) {
                ++rx_errors;
        }
        if (ip) {
                if (ntohs(ip->ip_sum)!=0)
                        ++ip_errors;
        }
        if (tcp) {
                if (ntohs(tcp->check)!=0)
                        ++tcp_errors;
        }
}

void error_report(void)
{
        printf("# Errors:\n");
        printf("RX Errors: %" PRIu64 "\n",rx_errors);
        printf("IP Checksum errors: %" PRIu64 "\n",ip_errors);
        //printf("TCP Checksum errors: %" PRIu64 "\n",tcp_errors);
}