/usr/include/syslog-ng/plugin.h is in syslog-ng-dev 3.13.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2002-2012 Balabit
* Copyright (c) 1998-2012 Balázs Scheidler
*
* 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 PLUGIN_H_INCLUDED
#define PLUGIN_H_INCLUDED
#include "cfg-parser.h"
typedef struct _PluginFailureInfo
{
gconstpointer aux_data;
} PluginFailureInfo;
typedef struct _PluginBase
{
/* NOTE: the start of this structure must match the Plugin struct,
thus it has to be changed together with Plugin */
gint type;
gchar *name;
PluginFailureInfo failure_info;
} PluginBase;
typedef struct _PluginCandidate
{
PluginBase super;
gchar *module_name;
} PluginCandidate;
/* A plugin actually registered by a module. See PluginCandidate in
* the implementation module, which encapsulates a demand-loadable
* plugin, not yet loaded.
*
* A plugin serves as the factory for an extension point (=plugin). In
* contrast with the "module" which is the shared object itself which
* registers plugins. Each module can register a number of plugins,
* not just one. */
typedef struct _Plugin Plugin;
struct _Plugin
{
/* NOTE: the first two fields must match PluginCandidate struct defined in
the plugin.c module, please modify them both at the same time! */
gint type;
const gchar *name;
PluginFailureInfo failure_info;
CfgParser *parser;
gpointer (*construct)(Plugin *self);
void (*free_fn)(Plugin *s);
};
gpointer plugin_construct(Plugin *self);
gpointer plugin_construct_from_config(Plugin *self, CfgLexer *lexer, gpointer arg);
typedef struct _ModuleInfo ModuleInfo;
struct _ModuleInfo
{
/* name of the module to be loaded as */
const gchar *canonical_name;
/* version number if any */
const gchar *version;
/* copyright information, homepage and other important information about the module */
const gchar *description;
/* git sha that identifies the core revision that this was compiled for */
const gchar *core_revision;
Plugin *plugins;
gint plugins_len;
/* the higher the better */
};
struct _PluginContext
{
GList *plugins;
GList *candidate_plugins;
gchar *module_path;
};
/* instantiate a new plugin */
Plugin *plugin_find(PluginContext *context, gint plugin_type, const gchar *plugin_name);
/* plugin side API */
PluginCandidate * plugin_candidate_new(gint plugin_type, const gchar *name, const gchar *module_name);
void plugin_candidate_free(PluginCandidate *self);
void plugin_register(PluginContext *context, Plugin *p, gint number);
gboolean plugin_load_module(PluginContext *context, const gchar *module_name, CfgArgs *args);
void plugin_list_modules(FILE *out, gboolean verbose);
void plugin_load_candidate_modules(PluginContext *context);
void plugin_context_set_module_path(PluginContext *context, const gchar *module_path);
void plugin_context_init_instance(PluginContext *context);
void plugin_context_deinit_instance(PluginContext *context);
#endif
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