diff options
Diffstat (limited to 'src/openvpn/comp.h')
| -rw-r--r-- | src/openvpn/comp.h | 77 |
1 files changed, 39 insertions, 38 deletions
diff --git a/src/openvpn/comp.h b/src/openvpn/comp.h index 9ed9532..3c0b18e 100644 --- a/src/openvpn/comp.h +++ b/src/openvpn/comp.h @@ -5,7 +5,7 @@ * packet encryption, packet authentication, and * packet compression. * - * Copyright (C) 2002-2012 OpenVPN Technologies, Inc. <sales@openvpn.net> + * Copyright (C) 2002-2017 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 @@ -46,11 +46,11 @@ /* algorithm v2 */ #define COMP_ALGV2_UNCOMPRESSED 10 -#define COMP_ALGV2_LZ4 11 +#define COMP_ALGV2_LZ4 11 /* -#define COMP_ALGV2_LZO 12 -#define COMP_ALGV2_SNAPPY 13 -*/ + #define COMP_ALGV2_LZO 12 + #define COMP_ALGV2_SNAPPY 13 + */ /* Compression flags */ #define COMP_F_ADAPTIVE (1<<0) /* COMP_ALG_LZO only */ @@ -76,11 +76,11 @@ #define NO_COMPRESS_BYTE_SWAP 0xFB /* to maintain payload alignment, replace this byte with last byte of packet */ /* V2 on wire code */ -#define COMP_ALGV2_INDICATOR_BYTE 0x50 -#define COMP_ALGV2_UNCOMPRESSED_BYTE 0 -#define COMP_ALGV2_LZ4_BYTE 1 -#define COMP_ALGV2_LZO_BYTE 2 -#define COMP_ALGV2_SNAPPY_BYTE 3 +#define COMP_ALGV2_INDICATOR_BYTE 0x50 +#define COMP_ALGV2_UNCOMPRESSED_BYTE 0 +#define COMP_ALGV2_LZ4_BYTE 1 +#define COMP_ALGV2_LZO_BYTE 2 +#define COMP_ALGV2_SNAPPY_BYTE 3 /* * Compress worst case size expansion (for any algorithm) @@ -104,16 +104,16 @@ struct compress_context; */ struct compress_alg { - const char *name; - void (*compress_init)(struct compress_context *compctx); - void (*compress_uninit)(struct compress_context *compctx); - void (*compress)(struct buffer *buf, struct buffer work, - struct compress_context *compctx, - const struct frame* frame); - - void (*decompress)(struct buffer *buf, struct buffer work, - struct compress_context *compctx, - const struct frame* frame); + const char *name; + void (*compress_init)(struct compress_context *compctx); + void (*compress_uninit)(struct compress_context *compctx); + void (*compress)(struct buffer *buf, struct buffer work, + struct compress_context *compctx, + const struct frame *frame); + + void (*decompress)(struct buffer *buf, struct buffer work, + struct compress_context *compctx, + const struct frame *frame); }; /* @@ -133,8 +133,8 @@ struct compress_alg */ struct compress_options { - int alg; - unsigned int flags; + int alg; + unsigned int flags; }; /* @@ -143,10 +143,10 @@ struct compress_options union compress_workspace_union { #ifdef ENABLE_LZO - struct lzo_compress_workspace lzo; + struct lzo_compress_workspace lzo; #endif #ifdef ENABLE_LZ4 - struct lz4_workspace lz4; + struct lz4_workspace lz4; #endif }; @@ -155,15 +155,15 @@ union compress_workspace_union */ struct compress_context { - unsigned int flags; - struct compress_alg alg; - union compress_workspace_union wu; - - /* statistics */ - counter_type pre_decompress; - counter_type post_decompress; - counter_type pre_compress; - counter_type post_compress; + unsigned int flags; + struct compress_alg alg; + union compress_workspace_union wu; + + /* statistics */ + counter_type pre_decompress; + counter_type post_decompress; + counter_type pre_compress; + counter_type post_compress; }; extern const struct compress_alg comp_stub_alg; @@ -174,25 +174,26 @@ struct compress_context *comp_init(const struct compress_options *opt); void comp_uninit(struct compress_context *compctx); void comp_add_to_extra_frame(struct frame *frame); + void comp_add_to_extra_buffer(struct frame *frame); -void comp_print_stats (const struct compress_context *compctx, struct status_output *so); +void comp_print_stats(const struct compress_context *compctx, struct status_output *so); void comp_generate_peer_info_string(const struct compress_options *opt, struct buffer *out); -void compv2_escape_data_ifneeded (struct buffer *buf); +void compv2_escape_data_ifneeded(struct buffer *buf); static inline bool comp_enabled(const struct compress_options *info) { - return info->alg != COMP_ALG_UNDEF; + return info->alg != COMP_ALG_UNDEF; } static inline bool comp_unswapped_prefix(const struct compress_options *info) { - return !(info->flags & COMP_F_SWAP); + return !(info->flags & COMP_F_SWAP); } #endif /* USE_COMP */ -#endif +#endif /* ifndef OPENVPN_COMP_H */ |