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- /*
- * Copyright 2023 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;
- uint32_t max_elts;
- uint32_t elt_len;
- /* Avoid false cache sharing */
- guchar __padding[64 - sizeof(gpointer) * 2 - sizeof(uint64_t)];
- 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;
- uint64_t 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);
-
- struct rspamd_logger_iov_thrash_stack {
- struct rspamd_logger_iov_thrash_stack *prev;
- char data[0];
- };
- #define RSPAMD_LOGGER_MAX_IOV 8
- struct rspamd_logger_iov_ctx {
- struct iovec iov[RSPAMD_LOGGER_MAX_IOV];
- int niov;
- struct rspamd_logger_iov_thrash_stack *thrash_stack;
- };
- /**
- * Fills IOV of logger (usable for file/console logging)
- * Warning: this function is NOT reentrant, do not call it twice from a single moment of execution
- * @param iov filled by this function
- * @param module
- * @param id
- * @param function
- * @param level_flags
- * @param message
- * @param mlen
- * @param rspamd_log
- * @return number of iov elements being filled
- */
- void rspamd_log_fill_iov(struct rspamd_logger_iov_ctx *iov_ctx,
- double ts,
- const gchar *module, const gchar *id,
- const gchar *function,
- gint level_flags,
- const gchar *message,
- gsize mlen,
- rspamd_logger_t *rspamd_log);
-
- /**
- * Frees IOV context
- * @param iov_ctx
- */
- void rspamd_log_iov_free(struct rspamd_logger_iov_ctx *iov_ctx);
- /**
- * 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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