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authorAlberto Gonzalez Iniesta <agi@inittab.org>2012-11-05 16:28:10 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2012-11-05 16:28:10 +0100
commitd213c4e5576e2fd601679e0d7b2fb1262b807111 (patch)
tree5f0cc82bd0f11fb13b385417604d04c751245a92 /lzo.h
parent79c8d3ef7a938f86472e549ef64e1fb820dc80c4 (diff)
parent8dd0350e1607aa30f7a043c8d5ec7a7eeb874115 (diff)
Merge tag 'upstream/2.3_rc1'
Upstream version 2.3_rc1
Diffstat (limited to 'lzo.h')
-rw-r--r--lzo.h136
1 files changed, 0 insertions, 136 deletions
diff --git a/lzo.h b/lzo.h
deleted file mode 100644
index bb15753..0000000
--- a/lzo.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * OpenVPN -- An application to securely tunnel IP networks
- * over a single UDP port, with support for SSL/TLS-based
- * session authentication and key exchange,
- * packet encryption, packet authentication, and
- * packet compression.
- *
- * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * 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 (see the file COPYING included with this
- * distribution); if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef OPENVPN_LZO_H
-#define OPENVPN_LZO_H
-
-#ifdef USE_LZO
-
-#ifdef LZO_HEADER_DIR
-#include "lzo/lzoutil.h"
-#include "lzo/lzo1x.h"
-#else
-#include "lzoutil.h"
-#include "lzo1x.h"
-#endif
-
-#include "buffer.h"
-#include "mtu.h"
-#include "common.h"
-#include "status.h"
-
-/* LZO flags */
-#define LZO_SELECTED (1<<0)
-#define LZO_ON (1<<1)
-#define LZO_ADAPTIVE (1<<2)
-
-/*
- * Use LZO compress routine lzo1x_1_15_compress which is described
- * as faster but needs a bit more memory than the standard routine.
- * Use safe decompress (i.e. check for buffer overflows).
- * You may want to use the non-safe version
- * of decompress if speed is essential and if you know
- * that you will always be using a MAC to verify the
- * integrity of incoming packets.
- */
-#define LZO_COMPRESS lzo1x_1_15_compress
-#define LZO_WORKSPACE LZO1X_1_15_MEM_COMPRESS
-#define LZO_DECOMPRESS lzo1x_decompress_safe
-
-#define LZO_EXTRA_BUFFER(len) ((len)/8 + 128 + 3) /* LZO 2.0 worst case size expansion. */
-
-/*
- * Don't try to compress any packet smaller than this.
- */
-#define COMPRESS_THRESHOLD 100
-
-/*
- * Length of prepended prefix on LZO packets
- */
-#define LZO_PREFIX_LEN 1
-
-/*
- * Adaptive compress parameters
- */
-#define AC_SAMP_SEC 2 /* number of seconds in sample period */
-#define AC_MIN_BYTES 1000 /* sample period must have at least n bytes
- to be valid for testing */
-#define AC_SAVE_PCT 5 /* turn off compress if we didn't save at
- least this % during sample period */
-#define AC_OFF_SEC 60 /* if we turn off compression, don't do sample
- retest for n seconds */
-
-struct lzo_adaptive_compress {
- bool compress_state;
- time_t next;
- int n_total;
- int n_comp;
-};
-
-/*
- * Compress and Uncompress routines.
- */
-
-struct lzo_compress_workspace
-{
- lzo_voidp wmem;
- int wmem_size;
- struct lzo_adaptive_compress ac;
- unsigned int flags;
- bool defined;
-
- /* statistics */
- counter_type pre_decompress;
- counter_type post_decompress;
- counter_type pre_compress;
- counter_type post_compress;
-};
-
-void lzo_adjust_frame_parameters(struct frame *frame);
-
-void lzo_compress_init (struct lzo_compress_workspace *lzowork, unsigned int flags);
-
-void lzo_compress_uninit (struct lzo_compress_workspace *lzowork);
-
-void lzo_modify_flags (struct lzo_compress_workspace *lzowork, unsigned int flags);
-
-void lzo_compress (struct buffer *buf, struct buffer work,
- struct lzo_compress_workspace *lzowork,
- const struct frame* frame);
-
-void lzo_decompress (struct buffer *buf, struct buffer work,
- struct lzo_compress_workspace *lzowork,
- const struct frame* frame);
-
-void lzo_print_stats (const struct lzo_compress_workspace *lzo_compwork, struct status_output *so);
-
-static inline bool
-lzo_defined (const struct lzo_compress_workspace *lzowork)
-{
- return lzowork->defined;
-}
-
-
-#endif /* USE_LZO */
-#endif