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#ifndef CLASSIFIERS_H
#define CLASSIFIERS_H
#include "config.h"
#include "mem_pool.h"
#include "contrib/libev/ev.h"
#define RSPAMD_DEFAULT_CLASSIFIER "bayes"
/* Consider this value as 0 */
#define ALPHA 0.0001
#ifdef __cplusplus
extern "C" {
#endif
struct rspamd_classifier_config;
struct rspamd_task;
struct rspamd_config;
struct rspamd_classifier;
struct token_node_s;
struct rspamd_stat_classifier {
char *name;
gboolean (*init_func) (struct rspamd_config *cfg,
struct ev_loop *ev_base,
struct rspamd_classifier *cl);
gboolean (*classify_func) (struct rspamd_classifier *ctx,
GPtrArray *tokens,
struct rspamd_task *task);
gboolean (*learn_spam_func) (struct rspamd_classifier *ctx,
GPtrArray *input,
struct rspamd_task *task,
gboolean is_spam,
gboolean unlearn,
GError **err);
void (*fin_func) (struct rspamd_classifier *cl);
};
/* Bayes algorithm */
gboolean bayes_init (struct rspamd_config *cfg,
struct ev_loop *ev_base,
struct rspamd_classifier *);
gboolean bayes_classify (struct rspamd_classifier *ctx,
GPtrArray *tokens,
struct rspamd_task *task);
gboolean bayes_learn_spam (struct rspamd_classifier *ctx,
GPtrArray *tokens,
struct rspamd_task *task,
gboolean is_spam,
gboolean unlearn,
GError **err);
void bayes_fin (struct rspamd_classifier *);
/* Generic lua classifier */
gboolean lua_classifier_init (struct rspamd_config *cfg,
struct ev_loop *ev_base,
struct rspamd_classifier *);
gboolean lua_classifier_classify (struct rspamd_classifier *ctx,
GPtrArray *tokens,
struct rspamd_task *task);
gboolean lua_classifier_learn_spam (struct rspamd_classifier *ctx,
GPtrArray *tokens,
struct rspamd_task *task,
gboolean is_spam,
gboolean unlearn,
GError **err);
extern gint rspamd_bayes_log_id;
#define msg_debug_bayes(...) rspamd_conditional_debug_fast (NULL, task->from_addr, \
rspamd_bayes_log_id, "bayes", task->task_pool->tag.uid, \
G_STRFUNC, \
__VA_ARGS__)
#ifdef __cplusplus
}
#endif
#endif
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