1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <getopt.h>
#include "client.h"
#include "server.h"
void usage(char exname[])
{
fprintf(stderr,"Usage: %s [OPTIONS]\n\
-h, --help This help message.\n\
-c, --client Enable client mode (default).\n\
-s, --server Enable server mode.\n", exname);
exit(0);
}
int main(int argc, char *argv[])
{
static struct option long_options[] =
{
{"help", no_argument, 0, 'h'},
{"client", no_argument, 0, 'c'},
{"server", no_argument, 0, 's'},
{0,0,0,0}
};
bool isClient = true;
/* go through the options */
while(1)
{
int option_index = 0;
char c = getopt_long(argc, argv, "hcs", long_options, &option_index);
/* End of args */
if (c == -1){break;}
switch (c)
{
case 'h':
usage(argv[0]);
break;
case 'c':
isClient = true;
break;
case 's':
isClient = false;
break;
case '?':
break;
default:
exit(1);
}
}
/* pass off to client and server */
if (isClient){client();}
else {server();}
return 0;
}
|
