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/*
* Copyright (c) 2022 One Identity LLC.
*
* 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
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#ifndef SYSLOG_NG_COMPRESSION_H
#define SYSLOG_NG_COMPRESSION_H
#include "syslog-ng.h"
#include "compat/curl.h"
#if defined(SYSLOG_NG_HAVE_ZLIB) && defined(CURL_VERSION_LIBZ)
#define SYSLOG_NG_HTTP_COMPRESSION_ENABLED 1
#else
#define SYSLOG_NG_HTTP_COMPRESSION_ENABLED 0
#endif
enum CurlCompressionTypes
{
CURL_COMPRESSION_UNKNOWN,
CURL_COMPRESSION_UNCOMPRESSED,
CURL_COMPRESSION_DEFAULT = CURL_COMPRESSION_UNCOMPRESSED,
CURL_COMPRESSION_GZIP,
CURL_COMPRESSION_DEFLATE,
};
extern gchar *CURL_COMPRESSION_LITERAL_ALL;
typedef struct Compressor Compressor;
const gchar *compressor_get_encoding_name(Compressor *self);
gboolean compressor_compress(Compressor *self, GString *compressed, const GString *message);
void compressor_free(Compressor *self);
#if SYSLOG_NG_HTTP_COMPRESSION_ENABLED
typedef struct GzipCompressor GzipCompressor;
Compressor *gzip_compressor_new(void);
typedef struct DeflateCompressor DeflateCompressor;
Compressor *deflate_compressor_new(void);
#endif
Compressor *
construct_compressor_by_type(enum CurlCompressionTypes type);
enum CurlCompressionTypes
compressor_lookup_type(const gchar *name);
#endif //SYSLOG_NG_COMPRESSION_H
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