source: tools/tracereport/protocol_report.c @ 734dfb1

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

static stat_t prot_stat[256] = { {0,0} } ;

void protocol_per_packet(struct libtrace_packet_t *packet)
{
        struct libtrace_ip *ip = trace_get_ip(packet);
        if (!ip)
                return;

        prot_stat[ip->ip_p].count++;
        prot_stat[ip->ip_p].bytes+=trace_get_wire_length(packet);
}

void protocol_report(void)
{
        int i;
        printf("# Protocol breakdown:\n");
        printf("%-20s \t%12s\t%12s\n","Protocol","bytes","packets");
        setprotoent(1);
        for(i=0;i<256;++i) {
                struct protoent *prot;
                if (prot_stat[i].count==0)
                        continue;
                prot = getprotobynumber(i);
                if (prot) {
                printf("%20s:\t%12" PRIu64 "\t%12" PRIu64 "\n",
                                prot->p_name,
                                prot_stat[i].bytes,
                                prot_stat[i].count);
                }
                else {
                printf("%20i:\t%12" PRIu64 "\t%12" PRIu64 "\n",
                                i,
                                prot_stat[i].bytes,
                                prot_stat[i].count);

                }
        }
        setprotoent(0);
}