hi

1 /* © 2009 JGL (yiyus) <yiyu.jgl@gmail.com>

2 * See COPYING for details.

3 */

4 #include <stdlib.h>

5 #include <stdio.h>

6 #include <string.h>

7 #include <err.h>

8 #include <errno.h>

9 #include <sys/stat.h>

10

11 #include <ixp.h>

12

13 #include "hi.h"

14

15 extern Ixp9Srv p9srv;

16 char *message;

17 char hellomsg[12] = "Hello world!";

18

19 #define GETARG() (cp-*argv == strlen(*argv)-1) ? *++argv : cp+1

20

21 int

22 main(int argc, char **argv)

23 {

24 IxpServer srv = {0};

25 char *address, *cp, buf[512];

26 int fd, i;

27

28 address = getenv("IXP_ADDRESS");

29 while(*++argv) {

30 if(strcmp(*argv, "--") == 0 || !(**argv == '-')) {

31 break;

32 }

33 for(cp=*argv+1; cp<*argv+strlen(*argv); ++cp) {

34 if(*cp == 'a') {

35 address = GETARG();

36 break;

37 } else if(*cp == 'm') {

38 message = GETARG();

39 break;

40 } else {

41 errx(1, "usage: hi [ -a ADDRESS ] [-m MESSAGE]");

42 }

43 }

44 }

45 if(!address) {

46 char *nsdir = ixp_namespace();

47 if(mkdir(nsdir, 0700) == -1 && errno != EEXIST) {

48 err(1, "mkdir: %s", nsdir);

49 }

50 snprintf(buf, sizeof(buf), "unix!%s/hi", nsdir);

51 address = buf;

52 }

53

54 fd = ixp_announce(address);

55 if(fd < 0) {

56 err(1, "ixp_announce");

57 }

58

59 ixp_listen(&srv, fd, &p9srv, serve_9pcon, NULL);

60

61 if(!message)

62 message = hellomsg;

63 i = ixp_serverloop(&srv);

64

65 return i;

66 }