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
|
--- thttpd.c.orig Sat May 25 19:43:13 2002
+++ thttpd.c Sun Oct 20 23:58:44 2002
@@ -1500,12 +1500,45 @@
if ( hc->responselen == 0 )
{
/* No, just write the file. */
+#ifdef USE_SENDFILE
+ off_t sbytes;
+
+ sz = sendfile(
+ hc->file_fd, hc->conn_fd, c->bytes_sent,
+ MIN( c->bytes_to_send - c->bytes_sent, c->limit ),
+ NULL, &sbytes, 0 );
+ if (sz == -1 && errno == EAGAIN)
+ sz = sbytes > 0 ? sbytes : -1;
+ else if (sz == 0)
+ sz = sbytes;
+#else
sz = write(
hc->conn_fd, &(hc->file_address[c->bytes_sent]),
MIN( c->bytes_to_send - c->bytes_sent, c->limit ) );
+#endif
}
else
{
+#ifdef USE_SENDFILE
+ struct sf_hdtr sf;
+ struct iovec iv;
+ off_t sbytes;
+
+ iv.iov_base = hc->response;
+ iv.iov_len = hc->responselen;
+ sf.headers = &iv;
+ sf.hdr_cnt = 1;
+ sf.trailers = NULL;
+ sf.trl_cnt = 0;
+ sz = sendfile(
+ hc->file_fd, hc->conn_fd, c->bytes_sent,
+ MIN( c->bytes_to_send - c->bytes_sent, c->limit ),
+ &sf, &sbytes, 0 );
+ if (sz == -1 && errno == EAGAIN)
+ sz = sbytes > 0 ? sbytes : -1;
+ else if (sz == 0)
+ sz = sbytes;
+#else
/* Yes. We'll combine headers and file into a single writev(),
** hoping that this generates a single packet.
*/
@@ -1516,6 +1549,7 @@
iv[1].iov_base = &(hc->file_address[c->bytes_sent]);
iv[1].iov_len = MIN( c->bytes_to_send - c->bytes_sent, c->limit );
sz = writev( hc->conn_fd, iv, 2 );
+#endif
}
if ( sz == 0 ||
|