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/*-
* Copyright 2020 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef RSPAMD_LOGGER_PRIVATE_H
#define RSPAMD_LOGGER_PRIVATE_H
#include "logger.h"
/* How much message should be repeated before it is count to be repeated one */
#define REPEATS_MIN 3
#define REPEATS_MAX 300
#define LOGBUF_LEN 8192
struct rspamd_log_module {
gchar *mname;
guint id;
};
struct rspamd_log_modules {
guchar *bitset;
guint bitset_len; /* Number of BITS used in bitset */
guint bitset_allocated; /* Size of bitset allocated in BYTES */
GHashTable *modules;
};
struct rspamd_logger_error_elt {
gint completed;
GQuark ptype;
pid_t pid;
gdouble ts;
gchar id[RSPAMD_LOG_ID_LEN + 1];
gchar module[9];
gchar message[];
};
struct rspamd_logger_error_log {
struct rspamd_logger_error_elt *elts;
rspamd_mempool_t *pool;
guint32 max_elts;
guint32 elt_len;
/* Avoid false cache sharing */
guchar __padding[64 - sizeof(gpointer) * 2 - sizeof(guint64)];
guint cur_row;
};
/**
* Static structure that store logging parameters
* It is NOT shared between processes and is created by main process
*/
struct rspamd_logger_s {
struct rspamd_logger_funcs ops;
gint log_level;
struct rspamd_logger_error_log *errlog;
struct rspamd_cryptobox_pubkey *pk;
struct rspamd_cryptobox_keypair *keypair;
guint flags;
gboolean closed;
gboolean enabled;
gboolean is_debug;
gboolean no_lock;
pid_t pid;
const gchar *process_type;
struct rspamd_radix_map_helper *debug_ip;
rspamd_mempool_mutex_t *mtx;
rspamd_mempool_t *pool;
guint64 log_cnt[4];
};
/*
* Common logging prototypes
*/
/*
* File logging
*/
void *rspamd_log_file_init(rspamd_logger_t *logger, struct rspamd_config *cfg,
uid_t uid, gid_t gid, GError **err);
void *rspamd_log_file_reload(rspamd_logger_t *logger, struct rspamd_config *cfg,
gpointer arg, uid_t uid, gid_t gid, GError **err);
void rspamd_log_file_dtor(rspamd_logger_t *logger, gpointer arg);
bool rspamd_log_file_log(const gchar *module, const gchar *id,
const gchar *function,
gint level_flags,
const gchar *message,
gsize mlen,
rspamd_logger_t *rspamd_log,
gpointer arg);
bool rspamd_log_file_on_fork(rspamd_logger_t *logger, struct rspamd_config *cfg,
gpointer arg, GError **err);
/**
* Escape log line by replacing unprintable characters to hex escapes like \xNN
* @param src
* @param srclen
* @param dst
* @param dstlen
* @return end of the escaped buffer
*/
gchar *rspamd_log_line_hex_escape(const guchar *src, gsize srclen,
gchar *dst, gsize dstlen);
/**
* Returns number of characters to be escaped, e.g. a caller can allocate a new buffer
* the desired number of characters
* @param src
* @param srclen
* @return number of characters to be escaped
*/
gsize rspamd_log_line_need_escape(const guchar *src, gsize srclen);
static const struct rspamd_logger_funcs file_log_funcs = {
.init = rspamd_log_file_init,
.dtor = rspamd_log_file_dtor,
.reload = rspamd_log_file_reload,
.log = rspamd_log_file_log,
.on_fork = rspamd_log_file_on_fork,
};
/*
* Syslog logging
*/
void *rspamd_log_syslog_init(rspamd_logger_t *logger, struct rspamd_config *cfg,
uid_t uid, gid_t gid, GError **err);
void *rspamd_log_syslog_reload(rspamd_logger_t *logger, struct rspamd_config *cfg,
gpointer arg, uid_t uid, gid_t gid, GError **err);
void rspamd_log_syslog_dtor(rspamd_logger_t *logger, gpointer arg);
bool rspamd_log_syslog_log(const gchar *module, const gchar *id,
const gchar *function,
gint level_flags,
const gchar *message,
gsize mlen,
rspamd_logger_t *rspamd_log,
gpointer arg);
static const struct rspamd_logger_funcs syslog_log_funcs = {
.init = rspamd_log_syslog_init,
.dtor = rspamd_log_syslog_dtor,
.reload = rspamd_log_syslog_reload,
.log = rspamd_log_syslog_log,
.on_fork = NULL,
};
/*
* Console logging
*/
void *rspamd_log_console_init(rspamd_logger_t *logger, struct rspamd_config *cfg,
uid_t uid, gid_t gid, GError **err);
void *rspamd_log_console_reload(rspamd_logger_t *logger, struct rspamd_config *cfg,
gpointer arg, uid_t uid, gid_t gid, GError **err);
void rspamd_log_console_dtor(rspamd_logger_t *logger, gpointer arg);
bool rspamd_log_console_log(const gchar *module, const gchar *id,
const gchar *function,
gint level_flags,
const gchar *message,
gsize mlen,
rspamd_logger_t *rspamd_log,
gpointer arg);
static const struct rspamd_logger_funcs console_log_funcs = {
.init = rspamd_log_console_init,
.dtor = rspamd_log_console_dtor,
.reload = rspamd_log_console_reload,
.log = rspamd_log_console_log,
.on_fork = NULL,
};
#endif
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