1 #include <config.h>
2
3 #include <stdlib.h>
4 #include <string.h>
5 #include <sys/types.h>
6 #ifdef _WIN32
7 #include <winsock2.h>
8 #include <ws2tcpip.h>
9 #include <windows.h>
10 #else
11 #include <unistd.h>
12 #include <sys/resource.h>
13 #endif
14
15 #include <pcap.h>
16
17 #include "varattrs.h"
18 #include "pcap/funcattrs.h"
19 #include "portability.h"
20
main(int argc _U_,char ** argv _U_)21 int main(int argc _U_, char **argv _U_)
22 {
23 pcap_if_t *alldevs;
24 int exit_status = 0;
25 char errbuf[PCAP_ERRBUF_SIZE+1];
26 #ifdef _WIN32
27 FILETIME start_ktime, start_utime, end_ktime, end_utime;
28 FILETIME dummy1, dummy2;
29 ULARGE_INTEGER start_kticks, end_kticks, start_uticks, end_uticks;
30 ULONGLONG ktime, utime, tottime;
31 #else
32 struct rusage start_rusage, end_rusage;
33 struct timeval ktime, utime, tottime;
34 #endif
35
36 #ifdef _WIN32
37 if (!GetProcessTimes(GetCurrentProcess(), &dummy1, &dummy2,
38 &start_ktime, &start_utime))
39 {
40 fprintf(stderr, "GetProcessTimes() fails at start\n");
41 exit(1);
42 }
43 start_kticks.LowPart = start_ktime.dwLowDateTime;
44 start_kticks.HighPart = start_ktime.dwHighDateTime;
45 start_uticks.LowPart = start_utime.dwLowDateTime;
46 start_uticks.HighPart = start_utime.dwHighDateTime;
47 #else
48 if (getrusage(RUSAGE_SELF, &start_rusage) == -1) {
49 fprintf(stderr, "getrusage() fails at start\n");
50 exit(1);
51 }
52 #endif
53 for (int i = 0; i < 500; i++)
54 {
55 if (pcap_findalldevs(&alldevs, errbuf) == -1)
56 {
57 fprintf(stderr,"Error in pcap_findalldevs: %s\n",errbuf);
58 exit(1);
59 }
60 pcap_freealldevs(alldevs);
61 }
62
63 #ifdef _WIN32
64 if (!GetProcessTimes(GetCurrentProcess(), &dummy1, &dummy2,
65 &end_ktime, &end_utime))
66 {
67 fprintf(stderr, "GetProcessTimes() fails at end\n");
68 exit(1);
69 }
70 end_kticks.LowPart = end_ktime.dwLowDateTime;
71 end_kticks.HighPart = end_ktime.dwHighDateTime;
72 end_uticks.LowPart = end_utime.dwLowDateTime;
73 end_uticks.HighPart = end_utime.dwHighDateTime;
74 ktime = end_kticks.QuadPart - start_kticks.QuadPart;
75 utime = end_uticks.QuadPart - start_uticks.QuadPart;
76 tottime = ktime + utime;
77 printf("Total CPU secs: kernel %g, user %g, total %g\n",
78 ((double)ktime) / 10000000.0,
79 ((double)utime) / 10000000.0,
80 ((double)tottime) / 10000000.0);
81 #else
82 if (getrusage(RUSAGE_SELF, &end_rusage) == -1) {
83 fprintf(stderr, "getrusage() fails at end\n");
84 exit(1);
85 }
86 timersub(&end_rusage.ru_stime, &start_rusage.ru_stime, &ktime);
87 timersub(&end_rusage.ru_utime, &start_rusage.ru_utime, &utime);
88 timeradd(&ktime, &utime, &tottime);
89 printf("Total CPU secs: kernel %g, user %g, total %g\n",
90 (double)ktime.tv_sec + ((double)ktime.tv_usec / 1000000.0),
91 (double)utime.tv_sec + ((double)utime.tv_usec / 1000000.0),
92 (double)tottime.tv_sec + ((double)tottime.tv_usec / 1000000.0));
93 #endif
94 exit(exit_status);
95 }
96