3 #include "network_backends.h"
5 #if defined(USE_FREEBSD_SENDFILE)
10 #include <sys/socket.h>
16 int network_write_file_chunk_sendfile(server
*srv
, connection
*con
, int fd
, chunkqueue
*cq
, off_t
*p_max_bytes
) {
17 chunk
* const c
= cq
->first
;
18 off_t offset
, written
= 0;
22 force_assert(NULL
!= c
);
23 force_assert(FILE_CHUNK
== c
->type
);
24 force_assert(c
->offset
>= 0 && c
->offset
<= c
->file
.length
);
26 offset
= c
->file
.start
+ c
->offset
;
27 toSend
= c
->file
.length
- c
->offset
;
28 if (toSend
> *p_max_bytes
) toSend
= *p_max_bytes
;
31 chunkqueue_remove_finished_chunks(cq
);
35 if (0 != chunkqueue_open_file_chunk(srv
, cq
)) return -1;
37 /* FreeBSD sendfile() */
38 if (-1 == (r
= sendfile(c
->file
.fd
, fd
, offset
, toSend
, NULL
, &written
, 0))) {
42 /* for EAGAIN/EINTR written still contains the sent bytes */
43 break; /* try again later */
49 #if defined(ENOTSUP) \
50 && (!defined(EOPNOTSUPP) || EOPNOTSUPP != ENOTSUP)
56 #ifdef ESOCKTNOSUPPORT
63 return network_write_file_chunk_mmap(srv
, con
, fd
, cq
, p_max_bytes
);
65 return network_write_file_chunk_no_mmap(srv
, con
, fd
, cq
, p_max_bytes
);
68 log_error_write(srv
, __FILE__
, __LINE__
, "ssd", "sendfile: ", strerror(errno
), errno
);
74 chunkqueue_mark_written(cq
, written
);
75 *p_max_bytes
-= written
;
78 return (r
>= 0 && written
== toSend
) ? 0 : -3;
81 #endif /* USE_FREEBSD_SENDFILE */