/*
+ * $Id: ad_sendfile.c,v 1.11 2010-01-21 14:14:49 didg Exp $
+ *
* Copyright (c) 1999 Adrian Sun (asun@zoology.washington.edu)
* All rights reserved. See COPYRIGHT.
*
* NOTE: the following uses the fact that sendfile() only exists on
* machines with SA_RESTART behaviour. this is all very machine specific.
*
- *
+ * sendfile chainsaw from samba.
+ Unix SMB/Netbios implementation.
+ Version 2.2.x / 3.0.x
+ sendfile implementations.
+ Copyright (C) Jeremy Allison 2002.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#ifdef WITH_SENDFILE
+
+#include <atalk/adouble.h>
+
#include <stdio.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+
#include <sys/socket.h>
#include <sys/uio.h>
-#include <atalk/adouble.h>
-
-#include <syslog.h>
+#include <errno.h>
+#include <atalk/logger.h>
#include "ad_private.h"
-static int _ad_sendfile_dummy;
+#if defined(SENDFILE_FLAVOR_LINUX)
+#include <sys/sendfile.h>
+
+ssize_t sys_sendfile(int tofd, int fromfd, off_t *offset, size_t count)
+{
+ return sendfile(tofd, fromfd, offset, count);
+}
+
+#elif defined(SENDFILE_FLAVOR_SOLARIS)
+#include <sys/sendfile.h>
+
+ssize_t sys_sendfile(int tofd, int fromfd, off_t *offset, size_t count)
+{
+ return sendfile(tofd, fromfd, offset, count);
+}
+
+#elif defined(SENDFILE_FLAVOR_BSD )
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+ssize_t sys_sendfile(int tofd, int fromfd, off_t *offset, size_t count)
+{
+ return sendfile(fromfd, tofd, *offset, count, NULL, offset, 0);
+}
+
+#else
+
+ssize_t sys_sendfile(int out_fd, int in_fd, off_t *_offset, size_t count)
+{
+ /* No sendfile syscall. */
+ errno = ENOSYS;
+ return -1;
+}
+#endif
-#if defined(HAVE_SENDFILE_READ) || defined(HAVE_SENDFILE_WRITE)
-static __inline__ int ad_sendfile_init(const struct adouble *ad,
+/* ------------------------------- */
+int ad_readfile_init(const struct adouble *ad,
const int eid, off_t *off,
const int end)
{
*off = ad_size(ad, eid) - *off;
if (eid == ADEID_DFORK) {
- fd = ad_dfileno(ad);
+ fd = ad_data_fileno(ad);
} else {
*off += ad_getentryoff(ad, eid);
- fd = ad_hfileno(ad);
+ fd = ad_reso_fileno(ad);
}
return fd;
}
-#endif
-
-
-/* read from adouble file and write to socket. sendfile doesn't change
- * the file pointer position. */
-#ifdef HAVE_SENDFILE_READ
-ssize_t ad_readfile(const struct adouble *ad, const int eid,
- const int sock, off_t off, const size_t len)
-{
- off_t cc;
- int fd;
- fd = ad_sendfile_init(ad, eid, &off, 0);
-#ifdef __linux__
- cc = sendfile(sock, fd, &off, len);
-#endif
-
-#ifdef BSD4_4
- if (sendfile(fd, sock, off, len, NULL, &cc, 0) < 0)
- return -1;
-#endif
-
- return cc;
-}
-#endif
+/* ------------------------ */
#if 0
#ifdef HAVE_SENDFILE_WRITE
/* read from a socket and write to an adouble file */
int fd;
fd = ad_sendfile_init(ad, eid, &off, end);
- if ((cc = sendfile(fd, sock, &off, len)) < 0)
+ if ((cc = sys_sendfile(fd, sock, &off, len)) < 0)
return -1;
if ((eid != ADEID_DFORK) && (off > ad_getentrylen(ad, eid)))
ad_setentrylen(ad, eid, off);
return cc;
-#endif
+#endif /* __linux__ */
}
-#endif
+#endif /* HAVE_SENDFILE_WRITE */
+#endif /* 0 */
#endif