#include <config.h>

#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#ifdef _WIN32
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #include <windows.h>
#else
 #include <unistd.h>
 #include <sys/resource.h>
#endif

#include <pcap.h>

#include "varattrs.h"
#include "pcap/funcattrs.h"
#include "portability.h"

int main(int argc _U_, char **argv _U_)
{
 pcap_if_t *alldevs;
 int exit_status = 0;
 char errbuf[PCAP_ERRBUF_SIZE+1];
#ifdef _WIN32
 FILETIME start_ktime, start_utime, end_ktime, end_utime;
 FILETIME dummy1, dummy2;
 ULARGE_INTEGER start_kticks, end_kticks, start_uticks, end_uticks;
 ULONGLONG ktime, utime, tottime;
#else
 struct rusage start_rusage, end_rusage;
 struct timeval ktime, utime, tottime;
#endif

#ifdef _WIN32
 if (!GetProcessTimes(GetCurrentProcess(), &dummy1, &dummy2,
                      &start_ktime, &start_utime))
 {
   fprintf(stderr, "GetProcessTimes() fails at start\n");
   exit(1);
 }
 start_kticks.LowPart = start_ktime.dwLowDateTime;
 start_kticks.HighPart = start_ktime.dwHighDateTime;
 start_uticks.LowPart = start_utime.dwLowDateTime;
 start_uticks.HighPart = start_utime.dwHighDateTime;
#else
 if (getrusage(RUSAGE_SELF, &start_rusage) == -1) {
   fprintf(stderr, "getrusage() fails at start\n");
   exit(1);
 }
#endif
 for (int i = 0; i < 500; i++)
 {
   if (pcap_findalldevs(&alldevs, errbuf) == -1)
   {
     fprintf(stderr,"Error in pcap_findalldevs: %s\n",errbuf);
     exit(1);
   }
   pcap_freealldevs(alldevs);
 }

#ifdef _WIN32
 if (!GetProcessTimes(GetCurrentProcess(), &dummy1, &dummy2,
                      &end_ktime, &end_utime))
 {
   fprintf(stderr, "GetProcessTimes() fails at end\n");
   exit(1);
 }
 end_kticks.LowPart = end_ktime.dwLowDateTime;
 end_kticks.HighPart = end_ktime.dwHighDateTime;
 end_uticks.LowPart = end_utime.dwLowDateTime;
 end_uticks.HighPart = end_utime.dwHighDateTime;
 ktime = end_kticks.QuadPart - start_kticks.QuadPart;
 utime = end_uticks.QuadPart - start_uticks.QuadPart;
 tottime = ktime + utime;
 printf("Total CPU secs: kernel %g, user %g, total %g\n",
     ((double)ktime) / 10000000.0,
     ((double)utime) / 10000000.0,
     ((double)tottime) / 10000000.0);
#else
 if (getrusage(RUSAGE_SELF, &end_rusage) == -1) {
   fprintf(stderr, "getrusage() fails at end\n");
   exit(1);
 }
 timersub(&end_rusage.ru_stime, &start_rusage.ru_stime, &ktime);
 timersub(&end_rusage.ru_utime, &start_rusage.ru_utime, &utime);
 timeradd(&ktime, &utime, &tottime);
 printf("Total CPU secs: kernel %g, user %g, total %g\n",
     (double)ktime.tv_sec + ((double)ktime.tv_usec / 1000000.0),
     (double)utime.tv_sec + ((double)utime.tv_usec / 1000000.0),
     (double)tottime.tv_sec + ((double)tottime.tv_usec / 1000000.0));
#endif
 exit(exit_status);
}