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51 lines
1.8 KiB
51 lines
1.8 KiB
/*
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* compress.h: Compression functions for Linux-HA
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*
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* Copyright (C) 2005 Guochun Shi <gshi@ncsa.uiuc.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _COMPRESS_H_
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#define _COMPRESS_H_
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#define HB_COMPRESS_TYPE HBcompress
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#define HB_COMPRESS_TYPE_S "HBcompress"
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/*
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* List of functions provided by implementations of the heartbeat
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* compress interface.
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*/
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struct hb_compress_fns {
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int (*compress) (char*, size_t*, const char*, size_t);
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int (*decompress) (char*, size_t* , const char*, size_t);
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const char* (*getname) (void);
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};
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struct ha_msg;
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/* set the compression method*/
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int cl_compress_remove_plugin(const char* pluginname);
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int cl_compress_load_plugin(const char* pluginname);
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struct hb_compress_fns* cl_get_compress_fns(void);
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int cl_set_compress_fns(const char*);
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char* cl_compressmsg(struct ha_msg*m, size_t* len);
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struct ha_msg* cl_decompressmsg(struct ha_msg* m);
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gboolean is_compressed_msg(struct ha_msg* m);
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int cl_compress_field(struct ha_msg* msg, int index, char* buf, size_t* buflen);
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int cl_decompress_field(struct ha_msg* msg, int index, char* buf, size_t* buflen);
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#endif
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