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