1 18824b58 2008-08-03 rsc #include "a.h"
 2 18824b58 2008-08-03 rsc 
 3 18824b58 2008-08-03 rsc struct Pfd
 4 18824b58 2008-08-03 rsc {
 5 18824b58 2008-08-03 rsc 	int fd;
 6 18824b58 2008-08-03 rsc };
 7 18824b58 2008-08-03 rsc 
 8 18824b58 2008-08-03 rsc static Pfd*
 9 18824b58 2008-08-03 rsc httpconnect(char *host)
10 18824b58 2008-08-03 rsc {
11 18824b58 2008-08-03 rsc 	char buf[1024];
12 18824b58 2008-08-03 rsc 	Pfd *pfd;
13 18824b58 2008-08-03 rsc 	int fd;
14 18824b58 2008-08-03 rsc 
15 18824b58 2008-08-03 rsc 	snprint(buf, sizeof buf, "tcp!%s!http", host);
16 18824b58 2008-08-03 rsc 	if((fd = dial(buf, nil, nil, nil)) < 0)
17 18824b58 2008-08-03 rsc 		return nil;
18 18824b58 2008-08-03 rsc 	pfd = emalloc(sizeof *pfd);
19 18824b58 2008-08-03 rsc 	pfd->fd = fd;
20 18824b58 2008-08-03 rsc 	return pfd;
21 18824b58 2008-08-03 rsc }
22 18824b58 2008-08-03 rsc 
23 18824b58 2008-08-03 rsc static void
24 18824b58 2008-08-03 rsc httpclose(Pfd *pfd)
25 18824b58 2008-08-03 rsc {
26 18824b58 2008-08-03 rsc 	if(pfd == nil)
27 18824b58 2008-08-03 rsc 		return;
28 18824b58 2008-08-03 rsc 	close(pfd->fd);
29 18824b58 2008-08-03 rsc 	free(pfd);
30 18824b58 2008-08-03 rsc }
31 18824b58 2008-08-03 rsc 
32 18824b58 2008-08-03 rsc static int
33 18824b58 2008-08-03 rsc httpwrite(Pfd *pfd, void *v, int n)
34 18824b58 2008-08-03 rsc {
35 18824b58 2008-08-03 rsc 	return writen(pfd->fd, v, n);
36 18824b58 2008-08-03 rsc }
37 18824b58 2008-08-03 rsc 
38 18824b58 2008-08-03 rsc static int
39 18824b58 2008-08-03 rsc httpread(Pfd *pfd, void *v, int n)
40 18824b58 2008-08-03 rsc {
41 18824b58 2008-08-03 rsc 	return read(pfd->fd, v, n);
42 18824b58 2008-08-03 rsc }
43 18824b58 2008-08-03 rsc 
44 18824b58 2008-08-03 rsc Protocol http = {
45 18824b58 2008-08-03 rsc 	httpconnect,
46 18824b58 2008-08-03 rsc 	httpread,
47 18824b58 2008-08-03 rsc 	httpwrite,
48 18824b58 2008-08-03 rsc 	httpclose,
49 18824b58 2008-08-03 rsc };
50 18824b58 2008-08-03 rsc