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108 lines
3.6 KiB
108 lines
3.6 KiB
#ifndef LIGHTNING_LIGHTNINGD_LOG_H
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#define LIGHTNING_LIGHTNINGD_LOG_H
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#include "config.h"
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#include <ccan/tal/tal.h>
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#include <ccan/time/time.h>
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#include <ccan/typesafe_cb/typesafe_cb.h>
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#include <common/status.h>
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#include <common/type_to_string.h>
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#include <jsmn.h>
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#include <stdarg.h>
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struct json_result;
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struct lightningd;
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struct timerel;
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/* We can have a single log book, with multiple logs in it: it's freed by
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* the last struct log itself. */
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struct log_book *new_log_book(size_t max_mem,
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enum log_level printlevel);
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/* With different entry points */
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struct log *new_log(const tal_t *ctx, struct log_book *record, const char *fmt, ...) PRINTF_FMT(3,4);
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#define log_debug(log, ...) log_((log), LOG_DBG, __VA_ARGS__)
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#define log_info(log, ...) log_((log), LOG_INFORM, __VA_ARGS__)
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#define log_unusual(log, ...) log_((log), LOG_UNUSUAL, __VA_ARGS__)
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#define log_broken(log, ...) log_((log), LOG_BROKEN, __VA_ARGS__)
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void log_io(struct log *log, enum log_level dir, const char *comment,
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const void *data, size_t len);
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void log_(struct log *log, enum log_level level, const char *fmt, ...)
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PRINTF_FMT(3,4);
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void log_add(struct log *log, const char *fmt, ...) PRINTF_FMT(2,3);
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void logv(struct log *log, enum log_level level, const char *fmt, va_list ap);
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void logv_add(struct log *log, const char *fmt, va_list ap);
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enum log_level get_log_level(struct log_book *lr);
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void set_log_level(struct log_book *lr, enum log_level level);
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void set_log_prefix(struct log *log, const char *prefix);
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const char *log_prefix(const struct log *log);
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#define set_log_outfn(lr, print, arg) \
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set_log_outfn_((lr), \
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typesafe_cb_preargs(void, void *, (print), (arg),\
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const char *, \
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enum log_level, \
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bool, \
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const struct timeabs *, \
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const char *, \
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const u8 *), (arg))
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/* If level == LOG_IO_IN/LOG_IO_OUT, then io contains data */
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void set_log_outfn_(struct log_book *lr,
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void (*print)(const char *prefix,
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enum log_level level,
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bool continued,
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const struct timeabs *time,
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const char *str,
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const u8 *io,
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void *arg),
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void *arg);
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size_t log_max_mem(const struct log_book *lr);
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size_t log_used(const struct log_book *lr);
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const struct timeabs *log_init_time(const struct log_book *lr);
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#define log_each_line(lr, func, arg) \
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log_each_line_((lr), \
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typesafe_cb_preargs(void, void *, (func), (arg), \
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unsigned int, \
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struct timerel, \
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enum log_level, \
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const char *, \
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const char *, \
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const u8 *), (arg))
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void log_each_line_(const struct log_book *lr,
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void (*func)(unsigned int skipped,
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struct timerel time,
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enum log_level level,
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const char *prefix,
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const char *log,
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const u8 *io,
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void *arg),
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void *arg);
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void log_dump_to_file(int fd, const struct log_book *lr);
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void opt_register_logging(struct lightningd *ld);
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void crashlog_activate(const char *argv0, struct log *log);
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char *arg_log_to_file(const char *arg, struct lightningd *ld);
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/* Convenience parent for temporary allocations (eg. type_to_string)
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* during log calls; freed after every log_*() */
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const tal_t *ltmp;
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/* Before the crashlog is activated, just prints to stderr. */
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void NORETURN PRINTF_FMT(1,2) fatal(const char *fmt, ...);
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/* Adds an array showing log entries */
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void json_add_log(struct json_result *result, const char *fieldname,
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const struct log_book *lr, enum log_level minlevel);
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bool json_tok_loglevel(const char *buffer, const jsmntok_t *tok,
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enum log_level *level);
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#endif /* LIGHTNING_LIGHTNINGD_LOG_H */
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