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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#pragma once
#include <fmt/format.h>
#include <seastar/util/log.hh>
#include "common/subsys_types.h"
namespace crimson {
seastar::logger& get_logger(int subsys);
static inline seastar::log_level to_log_level(int level) {
if (level < 0) {
return seastar::log_level::error;
} else if (level < 1) {
return seastar::log_level::warn;
} else if (level <= 5) {
return seastar::log_level::info;
} else if (level <= 20) {
return seastar::log_level::debug;
} else {
return seastar::log_level::trace;
}
}
}
/* Logging convenience macros
*
* The intention here is to standardize prefixing log lines with the function name
* and a context prefix (like the operator<< for the PG). Place
*
* SET_SUBSYS(osd);
*
* at the top of the file to declare the log lines within the file as being (in this case)
* in the osd subsys. At the beginning of each method/function, add
*
* LOG_PREFIX(Class::method_name)
*
* to set the FNAME symbol to Class::method_name. In order to use the log macros
* within lambdas, capture FNAME by value.
*
* Log lines can then be declared using the appropriate macro below.
*/
#define SET_SUBSYS(subname_) static constexpr auto SOURCE_SUBSYS = ceph_subsys_##subname_
#define LOCAL_LOGGER crimson::get_logger(SOURCE_SUBSYS)
#define LOGGER(subname_) crimson::get_logger(ceph_subsys_##subname_)
#define LOG_PREFIX(x) constexpr auto FNAME = #x
#define LOG(level_, MSG, ...) \
LOCAL_LOGGER.log(level_, "{}: " MSG, FNAME , ##__VA_ARGS__)
#define SUBLOG(subname_, level_, MSG, ...) \
LOGGER(subname_).log(level_, "{}: " MSG, FNAME , ##__VA_ARGS__)
#define TRACE(...) LOG(seastar::log_level::trace, __VA_ARGS__)
#define SUBTRACE(subname_, ...) SUBLOG(subname_, seastar::log_level::trace, __VA_ARGS__)
#define DEBUG(...) LOG(seastar::log_level::debug, __VA_ARGS__)
#define SUBDEBUG(subname_, ...) SUBLOG(subname_, seastar::log_level::debug, __VA_ARGS__)
#define INFO(...) LOG(seastar::log_level::info, __VA_ARGS__)
#define SUBINFO(subname_, ...) SUBLOG(subname_, seastar::log_level::info, __VA_ARGS__)
#define WARN(...) LOG(seastar::log_level::warn, __VA_ARGS__)
#define SUBWARN(subname_, ...) SUBLOG(subname_, seastar::log_level::warn, __VA_ARGS__)
#define ERROR(...) LOG(seastar::log_level::error, __VA_ARGS__)
#define SUBERROR(subname_, ...) SUBLOG(subname_, seastar::log_level::error, __VA_ARGS__)
// *DPP macros are intended to take DoutPrefixProvider implementations, but anything with
// an operator<< will work as a prefix
#define SUBLOGDPP(subname_, level_, MSG, dpp, ...) \
LOGGER(subname_).log(level_, "{} {}: " MSG, dpp, FNAME , ##__VA_ARGS__)
#define SUBTRACEDPP(subname_, ...) SUBLOGDPP(subname_, seastar::log_level::trace, __VA_ARGS__)
#define SUBDEBUGDPP(subname_, ...) SUBLOGDPP(subname_, seastar::log_level::debug, __VA_ARGS__)
#define SUBINFODPP(subname_, ...) SUBLOGDPP(subname_, seastar::log_level::info, __VA_ARGS__)
#define SUBWARNDPP(subname_, ...) SUBLOGDPP(subname_, seastar::log_level::warn, __VA_ARGS__)
#define SUBERRORDPP(subname_, ...) SUBLOGDPP(subname_, seastar::log_level::error, __VA_ARGS__)
#define LOGDPP(level_, MSG, dpp, ...) \
LOCAL_LOGGER.log(level_, "{} {}: " MSG, dpp, FNAME , ##__VA_ARGS__)
#define TRACEDPP(...) LOGDPP(seastar::log_level::trace, __VA_ARGS__)
#define DEBUGDPP(...) LOGDPP(seastar::log_level::debug, __VA_ARGS__)
#define INFODPP(...) LOGDPP(seastar::log_level::info, __VA_ARGS__)
#define WARNDPP(...) LOGDPP(seastar::log_level::warn, __VA_ARGS__)
#define ERRORDPP(...) LOGDPP(seastar::log_level::error, __VA_ARGS__)
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