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Diffstat (limited to 'include/compress.h')
| -rw-r--r-- | include/compress.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/compress.h b/include/compress.h new file mode 100644 index 0000000..9cd733c --- /dev/null +++ b/include/compress.h @@ -0,0 +1,50 @@ +/* + * compress.h: Compression functions for Linux-HA + * + * Copyright (C) 2005 Guochun Shi <gshi@ncsa.uiuc.edu> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _COMPRESS_H_ +#define _COMPRESS_H_ + +#define HB_COMPRESS_TYPE compress +#define HB_COMPRESS_TYPE_S "compress" + +/* + * List of functions provided by implementations of the heartbeat + * compress interface. + */ +struct hb_compress_fns { + int (*compress) (char*, size_t*, const char*, size_t); + int (*decompress) (char*, size_t* , const char*, size_t); + const char* (*getname) (void); +}; + +struct ha_msg; + +/* set the compression method*/ +int cl_compress_remove_plugin(const char* pluginname); +int cl_compress_load_plugin(const char* pluginname); +struct hb_compress_fns* cl_get_compress_fns(void); +int cl_set_compress_fns(const char*); +char* cl_compressmsg(struct ha_msg*m, size_t* len); +struct ha_msg* cl_decompressmsg(struct ha_msg* m); +gboolean is_compressed_msg(struct ha_msg* m); +int cl_compress_field(struct ha_msg* msg, int index, char* buf, size_t* buflen); +int cl_decompress_field(struct ha_msg* msg, int index, char* buf, size_t* buflen); + +#endif |