source: tools/tracereport/protocol_report.c @ 548c76b

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

static stat_t prot_stat[3][256] = {{{0,0}}} ;
static bool suppress[3] = {true,true,true};

void protocol_per_packet(struct libtrace_packet_t *packet)
{
        uint8_t proto;
        libtrace_direction_t dir = trace_get_direction(packet);
        
        if (trace_get_transport(packet,&proto,NULL)==NULL)
                return;
                
        if (dir != TRACE_DIR_INCOMING && dir != TRACE_DIR_OUTGOING)
                dir = TRACE_DIR_OTHER;
        
        prot_stat[dir][proto].count++;
        prot_stat[dir][proto].bytes+=trace_get_wire_length(packet);
        suppress[dir] = false;
}

void protocol_report(void)
{
        int i,j;
        FILE *out = fopen("protocol.rpt", "w");
        if (!out) {
                perror("fopen");
                return;
        }
        fprintf(out, "%-16s\t%10s\t%16s %16s\n",
                        "PROTOCOL",
                        "DIRECTION",
                        "BYTES",
                        "PACKETS");
        
        setprotoent(1);
        for(i=0;i<256;++i) {
                struct protoent *prot;
                if (prot_stat[0][i].count==0 && 
                        prot_stat[1][i].count==0 && prot_stat[2][i].count==0)
                        continue;
                prot = getprotobynumber(i);
                if (prot) {
                        fprintf(out, "%16s",prot->p_name);
                }
                else {
                        fprintf(out, "%16i:",i);
                }
                for (j=0; j < 3; j++) {
                        if (j != 0) {
                                fprintf(out, "%16s", " ");
                        }
                        switch (j) {
                                case 0:
                                        fprintf(out, "\t%10s", "Outbound");
                                        break;
                                case 1:
                                        fprintf(out, "\t%10s", "Inbound");
                                        break;
                                case 2:
                                        fprintf(out, "\t%10s", "Unknown");
                                        break;
                        }

                        fprintf(out, "\t%16" PRIu64 " %16" PRIu64 "\n",
                                        prot_stat[j][i].bytes,
                                        prot_stat[j][i].count);
                }
        }

        setprotoent(0);
        fclose(out);
}