V2.x no reg (#3285)

Removed registry

CMakeLists.txt

@@ -85,7 +85,7 @@ endif()
 
 option(SPDLOG_PREVENT_CHILD_FD "Prevent from child processes to inherit log file descriptors" OFF)
 option(SPDLOG_NO_THREAD_ID "prevent spdlog from querying the thread id on each log call if thread id is not needed" OFF)
-option(SPDLOG_DISABLE_DEFAULT_LOGGER "Disable default logger creation" OFF)
+option(SPDLOG_DISABLE_GLOBAL_LOGGER "Disable global logger creation" OFF)
 option(SPDLOG_NO_TLS "Disable thread local storage" OFF)
 
 # clang-tidy
@@ -150,9 +150,6 @@ set(SPDLOG_HEADERS
     "include/spdlog/spdlog.h"
     "include/spdlog/stopwatch.h"
     "include/spdlog/version.h"
-    "include/spdlog/cfg/argv.h"
-    "include/spdlog/cfg/env.h"
-    "include/spdlog/cfg/helpers.h"
     "include/spdlog/details/circular_q.h"
     "include/spdlog/details/file_helper.h"
     "include/spdlog/details/fmt_helper.h"
@@ -162,7 +159,7 @@ set(SPDLOG_HEADERS
     "include/spdlog/details/null_mutex.h"
     "include/spdlog/details/os.h"
     "include/spdlog/details/periodic_worker.h"
-    "include/spdlog/details/registry.h"
+    "include/spdlog/details/context.h"
     "include/spdlog/details/synchronous_factory.h"
     "include/spdlog/details/thread_pool.h"
     "include/spdlog/fmt/bin_to_hex.h"
@@ -197,13 +194,11 @@ set(SPDLOG_SRCS
     "src/logger.cpp"
     "src/pattern_formatter.cpp"
     "src/spdlog.cpp"
-    "src/cfg/helpers.cpp"
     "src/details/file_helper.cpp"
 	"src/details/os_filesystem.cpp"
     "src/details/log_msg.cpp"
     "src/details/log_msg_buffer.cpp"
-    "src/details/periodic_worker.cpp"
-    "src/details/registry.cpp"
+        "src/details/context.cpp"
     "src/details/thread_pool.cpp"
     "src/sinks/base_sink.cpp"
     "src/sinks/basic_file_sink.cpp"
@@ -309,11 +304,11 @@ endif()
 # ---------------------------------------------------------------------------------------
 # spdlog private defines according to the options
 # ---------------------------------------------------------------------------------------
-foreach(SPDLOG_OPTION 
+foreach(SPDLOG_OPTION
     SPDLOG_CLOCK_COARSE
     SPDLOG_PREVENT_CHILD_FD
     SPDLOG_NO_THREAD_ID
-    SPDLOG_DISABLE_DEFAULT_LOGGER
+    SPDLOG_DISABLE_GLOBAL_LOGGER
     SPDLOG_NO_TLS
     SPDLOG_FWRITE_UNLOCKED)
     if(${SPDLOG_OPTION})

README.md

@@ -195,18 +195,6 @@ void binary_example()
 
 ```
 
----
-#### Mapped diagnostic context (MDC)
-MDC is a map of contextual information that can be used to enrich log messages.
-It is a map of key-value pairs that can be set on a per-thread basis since it is stored in thread-local storage.
-```c++
-#include "spdlog/spdlog.h"
-#include "spdlog/mdc"
-...
-spdlog::mdc::put("key1", "value1");
-spdlog::mdc::put("key2", "value2");
-```
-
 ---
 #### Logger with multi sinks - each with a different format and log level
 ```c++
@@ -410,10 +398,10 @@ void file_events_example()
 ---
 #### Replace the Default Logger
 ```c++
-void replace_default_logger_example()
+void replace_global_logger_example()
 {
-    auto new_logger = spdlog::basic_logger_mt("new_default_logger", "logs/new-default-log.txt", true);
-    spdlog::set_default_logger(new_logger);
+    auto new_logger = spdlog::basic_logger_mt("new_global_logger", "logs/new-default-log.txt", true);
+    spdlog::set_global_logger(new_logger);
     spdlog::info("new logger log message");
 }
 ```

bench/async_bench.cpp

@@ -150,5 +150,5 @@ void bench_mt(int howmany, std::shared_ptr<spdlog::logger> logger, int thread_co
 
     auto delta = high_resolution_clock::now() - start;
     auto delta_d = duration_cast<duration<double>>(delta).count();
-    spdlog::info("Elapsed: {} secs\t {:L}/sec", delta_d, int(howmany / delta_d));
+    spdlog::info("Elapsed: {} secs\t {:L}/sec", delta_d, static_cast<int>(howmany / delta_d));
 }

bench/bench.cpp

@@ -77,8 +77,7 @@ void bench_single_threaded(int iters) {
 }
 
 int main(int argc, char *argv[]) {
-    spdlog::set_automatic_registration(false);
-    spdlog::default_logger()->set_pattern("[%^%l%$] %v");
+    spdlog::global_logger()->set_pattern("[%^%l%$] %v");
     int iters = 250000;
     size_t threads = 4;
     try {
@@ -117,8 +116,7 @@ void bench(int howmany, std::shared_ptr<spdlog::logger> log) {
     auto delta_d = duration_cast<duration<double>>(delta).count();
 
     spdlog::info(spdlog::fmt_lib::format(std::locale("en_US.UTF-8"), "{:<30} Elapsed: {:0.2f} secs {:>16L}/sec", log->name(),
-                                         delta_d, size_t(howmany / delta_d)));
-    spdlog::drop(log->name());
+                                         delta_d, static_cast<size_t>(howmany / delta_d)));
 }
 
 void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, size_t thread_count) {
@@ -144,8 +142,7 @@ void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, size_t thread_co
     auto delta = high_resolution_clock::now() - start;
     auto delta_d = duration_cast<duration<double>>(delta).count();
     spdlog::info(spdlog::fmt_lib::format(std::locale("en_US.UTF-8"), "{:<30} Elapsed: {:0.2f} secs {:>16L}/sec", log->name(),
-                                         delta_d, size_t(howmany / delta_d)));
-    spdlog::drop(log->name());
+                                         delta_d, static_cast<size_t>(howmany / delta_d)));
 }
 
 /*
@@ -155,8 +152,8 @@ void bench_default_api(int howmany, std::shared_ptr<spdlog::logger> log)
     using std::chrono::duration;
     using std::chrono::duration_cast;
 
-    auto orig_default = spdlog::default_logger();
-    spdlog::set_default_logger(log);
+    auto orig_default = spdlog::global_logger();
+    spdlog::set_global_logger(log);
     auto start = high_resolution_clock::now();
     for (auto i = 0; i < howmany; ++i)
     {
@@ -166,7 +163,7 @@ void bench_default_api(int howmany, std::shared_ptr<spdlog::logger> log)
     auto delta = high_resolution_clock::now() - start;
     auto delta_d = duration_cast<duration<double>>(delta).count();
     spdlog::drop(log->name());
-    spdlog::set_default_logger(std::move(orig_default));
+    spdlog::set_global_logger(std::move(orig_default));
     spdlog::info("{:<30} Elapsed: {:0.2f} secs {:>16}/sec", log->name(), delta_d, int(howmany /
 delta_d));
 }
@@ -184,8 +181,8 @@ non dapibus eros. Donec fringilla dui sed " "augue pretium, nec scelerisque est
 convallis, sem nec blandit maximus, nisi turpis ornare " "nisl, sit amet volutpat neque massa eu
 odio. Maecenas malesuada quam ex, posuere congue nibh turpis duis.";
 
-    auto orig_default = spdlog::default_logger();
-    spdlog::set_default_logger(log);
+    auto orig_default = spdlog::global_logger();
+    spdlog::set_global_logger(log);
     auto start = high_resolution_clock::now();
     for (auto i = 0; i < howmany; ++i)
     {
@@ -195,7 +192,7 @@ odio. Maecenas malesuada quam ex, posuere congue nibh turpis duis.";
     auto delta = high_resolution_clock::now() - start;
     auto delta_d = duration_cast<duration<double>>(delta).count();
     spdlog::drop(log->name());
-    spdlog::set_default_logger(std::move(orig_default));
+    spdlog::set_global_logger(std::move(orig_default));
     spdlog::info("{:<30} Elapsed: {:0.2f} secs {:>16}/sec", log->name(), delta_d, int(howmany /
 delta_d));
 }

bench/latency.cpp

@@ -40,7 +40,7 @@ void bench_logger(benchmark::State &state, std::shared_ptr<spdlog::logger> logge
 }
 
 void bench_global_logger(benchmark::State &state, std::shared_ptr<spdlog::logger> logger) {
-    spdlog::set_default_logger(std::move(logger));
+    spdlog::set_global_logger(std::move(logger));
     int i = 0;
     for (auto _ : state) {
         spdlog::info("Hello logger: msg number {}...............", ++i);
@@ -57,7 +57,7 @@ void bench_disabled_macro(benchmark::State &state, std::shared_ptr<spdlog::logge
 }
 
 void bench_disabled_macro_global_logger(benchmark::State &state, std::shared_ptr<spdlog::logger> logger) {
-    spdlog::set_default_logger(std::move(logger));
+    spdlog::set_global_logger(std::move(logger));
     int i = 0;
     benchmark::DoNotOptimize(i);       // prevent unused warnings
     benchmark::DoNotOptimize(logger);  // prevent unused warnings
@@ -71,11 +71,9 @@ void bench_disabled_macro_global_logger(benchmark::State &state, std::shared_ptr
 void bench_dev_null() {
     auto dev_null_st = spdlog::basic_logger_st("/dev/null_st", "/dev/null");
     benchmark::RegisterBenchmark("/dev/null_st", bench_logger, std::move(dev_null_st))->UseRealTime();
-    spdlog::drop("/dev/null_st");
 
     auto dev_null_mt = spdlog::basic_logger_mt("/dev/null_mt", "/dev/null");
     benchmark::RegisterBenchmark("/dev/null_mt", bench_logger, std::move(dev_null_mt))->UseRealTime();
-    spdlog::drop("/dev/null_mt");
 }
 
 #endif  // __linux__
@@ -84,7 +82,6 @@ void bench_dev_null() {
 // for this test we create multiple null loggers and then call spdlog::get() on one of them multiple times
 // create multiple null loggers and return name of the one to test
 static std::string prepare_null_loggers() {
-    spdlog::drop_all();
     const std::string some_logger_name = "Some logger name";
     const int null_logger_count = 9;
     for (int i = 0; i < null_logger_count; i++) {
@@ -93,41 +90,6 @@ static std::string prepare_null_loggers() {
     return some_logger_name + std::to_string(null_logger_count / 2);
 }
 
-// benchmark spdlog::get() with const char*
-void bench_get_logger_const_char(benchmark::State &state) {
-    std::string str_name = prepare_null_loggers();
-    const char *name = str_name.c_str();
-    for (auto _ : state) {
-        auto rv = spdlog::get(name);
-        if (rv == nullptr) {
-            state.SkipWithError("get() returned nullptr");
-        }
-    }
-}
-
-// benchmark spdlog::get() with std::string_view
-void bench_get_logger_sv(benchmark::State &state) {
-    auto str_name = prepare_null_loggers();
-    auto sv_name = std::string_view{str_name};
-    for (auto _ : state) {
-        auto rv = spdlog::get(sv_name);
-        if (rv == nullptr) {
-            state.SkipWithError("get() returned nullptr");
-        }
-    }
-}
-
-// benchmark spdlog::get() with std::string
-void bench_get_logger_string(benchmark::State &state) {
-    auto str_name = prepare_null_loggers();
-    for (auto _ : state) {
-        auto rv = spdlog::get(str_name);
-        if (rv == nullptr) {
-            state.SkipWithError("get() returned nullptr");
-        }
-    }
-}
-
 int main(int argc, char *argv[]) {
     using spdlog::sinks::null_sink_mt;
     using spdlog::sinks::null_sink_st;
@@ -159,17 +121,14 @@ int main(int argc, char *argv[]) {
         // basic_st
         auto basic_st = spdlog::basic_logger_st("basic_st", "latency_logs/basic_st.log", true);
         benchmark::RegisterBenchmark("basic_st", bench_logger, std::move(basic_st))->UseRealTime();
-        spdlog::drop("basic_st");
 
         // rotating st
         auto rotating_st = spdlog::rotating_logger_st("rotating_st", "latency_logs/rotating_st.log", file_size, rotating_files);
         benchmark::RegisterBenchmark("rotating_st", bench_logger, std::move(rotating_st))->UseRealTime();
-        spdlog::drop("rotating_st");
 
         // daily st
         auto daily_st = spdlog::daily_logger_mt("daily_st", "latency_logs/daily_st.log");
         benchmark::RegisterBenchmark("daily_st", bench_logger, std::move(daily_st))->UseRealTime();
-        spdlog::drop("daily_st");
 
         //
         // Multi threaded bench, 10 loggers using same logger concurrently
@@ -180,17 +139,14 @@ int main(int argc, char *argv[]) {
         // basic_mt
         auto basic_mt = spdlog::basic_logger_mt("basic_mt", "latency_logs/basic_mt.log", true);
         benchmark::RegisterBenchmark("basic_mt", bench_logger, std::move(basic_mt))->Threads(n_threads)->UseRealTime();
-        spdlog::drop("basic_mt");
 
         // rotating mt
         auto rotating_mt = spdlog::rotating_logger_mt("rotating_mt", "latency_logs/rotating_mt.log", file_size, rotating_files);
         benchmark::RegisterBenchmark("rotating_mt", bench_logger, std::move(rotating_mt))->Threads(n_threads)->UseRealTime();
-        spdlog::drop("rotating_mt");
 
         // daily mt
         auto daily_mt = spdlog::daily_logger_mt("daily_mt", "latency_logs/daily_mt.log");
         benchmark::RegisterBenchmark("daily_mt", bench_logger, std::move(daily_mt))->Threads(n_threads)->UseRealTime();
-        spdlog::drop("daily_mt");
     }
 
     // async
@@ -200,10 +156,6 @@ int main(int argc, char *argv[]) {
                                                                spdlog::async_overflow_policy::overrun_oldest);
     benchmark::RegisterBenchmark("async_logger", bench_logger, async_logger)->Threads(n_threads)->UseRealTime();
 
-    benchmark::RegisterBenchmark("spdlog::get(const char* name)", bench_get_logger_const_char);
-    benchmark::RegisterBenchmark("spdlog::get(std::string_view name)", bench_get_logger_sv);
-    benchmark::RegisterBenchmark("spdlog::get(const std::string &name)", bench_get_logger_string);
-
     benchmark::Initialize(&argc, argv);
     benchmark::RunSpecifiedBenchmarks();
 }

example/example.cpp

@@ -1,4 +1,4 @@
-//
+//
 // Copyright(c) 2015 Gabi Melman.
 // Distributed under the MIT License (http://opensource.org/licenses/MIT)
 
@@ -7,7 +7,6 @@
 #include <chrono>
 #include <cstdio>
 
-void load_levels_example();
 void stdout_logger_example();
 void basic_example();
 void rotating_example();
@@ -25,16 +24,12 @@ void syslog_example();
 void udp_example();
 void custom_flags_example();
 void file_events_example();
-void replace_default_logger_example();
+void replace_global_logger_example();
 
-#include "spdlog/cfg/env.h"  // support for loading levels from the environment variable
 #include "spdlog/spdlog.h"
 #include "spdlog/version.h"
 
 int main(int, char *[]) {
-    // Log levels can be loaded from argv/env using "SPDLOG_LEVEL"
-    load_levels_example();
-    SPDLOG_INFO("This message should be displayed..");
     spdlog::info("Welcome to spdlog version {}.{}.{} !", SPDLOG_VER_MAJOR, SPDLOG_VER_MINOR, SPDLOG_VER_PATCH);
     spdlog::warn("Easy padding in numbers like {:08d}", 12);
     spdlog::critical("Support for int: {0:d};  hex: {0:x};  oct: {0:o}; bin: {0:b}", 42);
@@ -71,16 +66,9 @@ int main(int, char *[]) {
         udp_example();
         custom_flags_example();
         file_events_example();
-        replace_default_logger_example();
+        replace_global_logger_example();
 
-        // Flush all *registered* loggers using a worker thread every 3 seconds.
-        // note: registered loggers *must* be thread safe for this to work correctly!
-        spdlog::flush_every(std::chrono::seconds(3));
-
-        // Apply some function on all registered loggers
-        spdlog::apply_all([&](std::shared_ptr<spdlog::logger> l) { l->info("End of example."); });
-
-        // Release all spdlog resources, and drop all loggers in the registry.
+        // Release all spdlog resources
         // This is optional (only mandatory if using windows + async log).
         spdlog::shutdown();
     }
@@ -127,17 +115,6 @@ void callback_example() {
     });
 }
 
-void load_levels_example() {
-    // Set the log level to "info" and mylogger to "trace":
-    // SPDLOG_LEVEL=info,mylogger=trace && ./example
-    // must #include "spdlog/cfg/env.h"
-    spdlog::cfg::load_env_levels();
-    // or from command line:
-    // ./example SPDLOG_LEVEL=info,mylogger=trace
-    // #include "spdlog/cfg/argv.h" // for loading levels from argv
-    // spdlog::cfg::load_argv_levels(args, argv);
-}
-
 #include "spdlog/async.h"
 void async_example() {
     // Default thread pool settings can be modified *before* creating the async logger:
@@ -188,14 +165,10 @@ void vector_example() {
 // Compile time log levels.
 // define SPDLOG_ACTIVE_LEVEL to required level (e.g. SPDLOG_LEVEL_TRACE)
 void trace_example() {
-    // trace from default logger
+    // trace from global logger
     SPDLOG_TRACE("Some trace message.. {} ,{}", 1, 3.23);
-    // debug from default logger
+    // debug from global logger
     SPDLOG_DEBUG("Some debug message.. {} ,{}", 1, 3.23);
-
-    // trace from logger object
-    auto logger = spdlog::get("file_logger");
-    SPDLOG_LOGGER_TRACE(logger, "another trace message");
 }
 
 // stopwatch example
@@ -299,30 +272,30 @@ void custom_flags_example() {
 void file_events_example() {
     // pass the spdlog::file_event_handlers to file sinks for open/close log file notifications
     spdlog::file_event_handlers handlers;
-    handlers.before_open = [](spdlog::filename_t) { spdlog::info("Before opening logfile"); };
+    handlers.before_open = [](spdlog::filename_t) { spdlog::trace("Before opening logfile"); };
     handlers.after_open = [](spdlog::filename_t, std::FILE *fstream) {
-        spdlog::info("After opening logfile");
+        spdlog::trace("After opening logfile");
         fputs("After opening\n", fstream);
     };
     handlers.before_close = [](spdlog::filename_t, std::FILE *fstream) {
-        spdlog::info("Before closing logfile");
+        spdlog::trace("Before closing logfile");
         fputs("Before closing\n", fstream);
     };
-    handlers.after_close = [](spdlog::filename_t) { spdlog::info("After closing logfile"); };
+    handlers.after_close = [](spdlog::filename_t) { spdlog::trace("After closing logfile"); };
     auto file_sink = std::make_shared<spdlog::sinks::basic_file_sink_mt>("logs/events-sample.txt", true, handlers);
     spdlog::logger my_logger("some_logger", file_sink);
-    my_logger.info("Some log line");
+    my_logger.trace("Some log line");
 }
 
-void replace_default_logger_example() {
+void replace_global_logger_example() {
     // store the old logger so we don't break other examples.
-    auto old_logger = spdlog::default_logger();
+    auto old_logger = spdlog::global_logger();
 
-    auto new_logger = spdlog::basic_logger_mt("new_default_logger", "logs/new-default-log.txt", true);
-    spdlog::set_default_logger(new_logger);
+    auto new_logger = spdlog::basic_logger_mt("new_global_logger", "logs/new-default-log.txt", true);
+    spdlog::set_global_logger(new_logger);
     spdlog::set_level(spdlog::level::info);
     spdlog::debug("This message should not be displayed!");
     spdlog::set_level(spdlog::level::trace);
     spdlog::debug("This message should be displayed..");
-    spdlog::set_default_logger(old_logger);
+    spdlog::set_global_logger(old_logger);
 }

include/spdlog/async.h

@@ -19,13 +19,13 @@
 #include <mutex>
 
 #include "./async_logger.h"
-#include "./details/registry.h"
+#include "./details/context.h"
 #include "./details/thread_pool.h"
+#include "spdlog.h"
 
 namespace spdlog {
-
 namespace details {
-static const size_t default_async_q_size = 8192;
+static constexpr size_t default_async_q_size = 8192;
 }
 
 // async logger factory - creates async loggers backed with thread pool.
@@ -35,20 +35,17 @@ template <async_overflow_policy OverflowPolicy = async_overflow_policy::block>
 struct async_factory_impl {
     template <typename Sink, typename... SinkArgs>
     static std::shared_ptr<async_logger> create(std::string logger_name, SinkArgs &&...args) {
-        auto &registry_inst = details::registry::instance();
-
+        auto context = spdlog::context();
         // create global thread pool if not already exists
-        auto &mutex = registry_inst.tp_mutex();
+        auto &mutex = context->tp_mutex();
         std::lock_guard<std::recursive_mutex> tp_lock(mutex);
-        auto tp = registry_inst.get_tp();
+        auto tp = context->get_tp();
         if (tp == nullptr) {
             tp = std::make_shared<details::thread_pool>(details::default_async_q_size, 1U);
-            registry_inst.set_tp(tp);
+            context->set_tp(tp);
         }
-
         auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
         auto new_logger = std::make_shared<async_logger>(std::move(logger_name), std::move(sink), std::move(tp), OverflowPolicy);
-        registry_inst.initialize_logger(new_logger);
         return new_logger;
     }
 };
@@ -72,7 +69,7 @@ inline void init_thread_pool(size_t q_size,
                              std::function<void()> on_thread_start,
                              std::function<void()> on_thread_stop) {
     auto tp = std::make_shared<details::thread_pool>(q_size, thread_count, on_thread_start, on_thread_stop);
-    details::registry::instance().set_tp(std::move(tp));
+    spdlog::context()->set_tp(std::move(tp));
 }
 
 inline void init_thread_pool(size_t q_size, size_t thread_count, std::function<void()> on_thread_start) {
@@ -84,5 +81,5 @@ inline void init_thread_pool(size_t q_size, size_t thread_count) {
 }
 
 // get the global thread pool.
-inline std::shared_ptr<spdlog::details::thread_pool> thread_pool() { return details::registry::instance().get_tp(); }
+inline std::shared_ptr<spdlog::details::thread_pool> thread_pool() { return spdlog::context()->get_tp(); }
 }  // namespace spdlog

include/spdlog/cfg/argv.h

@@ -1,37 +0,0 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-
-#pragma once
-#include "./helpers.h"
-
-//
-// Init log levels using each argv entry that starts with "SPDLOG_LEVEL="
-//
-// set all loggers to debug level:
-// example.exe "SPDLOG_LEVEL=debug"
-
-// set logger1 to trace level
-// example.exe "SPDLOG_LEVEL=logger1=trace"
-
-// turn off all logging except for logger1 and logger2:
-// example.exe "SPDLOG_LEVEL=off,logger1=debug,logger2=info"
-
-namespace spdlog {
-namespace cfg {
-
-// search for SPDLOG_LEVEL= in the args and use it to init the levels
-inline void load_argv_levels(int argc, const char **argv) {
-    const std::string spdlog_level_prefix = "SPDLOG_LEVEL=";
-    for (int i = 1; i < argc; i++) {
-        std::string arg = argv[i];
-        if (arg.find(spdlog_level_prefix) == 0) {
-            auto levels_string = arg.substr(spdlog_level_prefix.size());
-            helpers::load_levels(levels_string);
-        }
-    }
-}
-
-inline void load_argv_levels(int argc, char **argv) { load_argv_levels(argc, const_cast<const char **>(argv)); }
-
-}  // namespace cfg
-}  // namespace spdlog

include/spdlog/cfg/env.h

@@ -1,36 +0,0 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-
-#pragma once
-#include "../details/os.h"
-#include "../details/registry.h"
-#include "./helpers.h"
-
-//
-// Init levels and patterns from env variables SPDLOG_LEVEL
-// Inspired from Rust's "env_logger" crate (https://crates.io/crates/env_logger).
-// Note - fallback to "info" level on unrecognized levels
-//
-// Examples:
-//
-// set global level to debug:
-// export SPDLOG_LEVEL=debug
-//
-// turn off all logging except for logger1:
-// export SPDLOG_LEVEL="*=off,logger1=debug"
-//
-
-// turn off all logging except for logger1 and logger2:
-// export SPDLOG_LEVEL="off,logger1=debug,logger2=info"
-
-namespace spdlog {
-namespace cfg {
-inline void load_env_levels() {
-    auto env_val = details::os::getenv("SPDLOG_LEVEL");
-    if (!env_val.empty()) {
-        helpers::load_levels(env_val);
-    }
-}
-
-}  // namespace cfg
-}  // namespace spdlog

include/spdlog/cfg/helpers.h

@@ -1,25 +0,0 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-
-#pragma once
-
-#include <unordered_map>
-
-#include "../common.h"
-
-namespace spdlog {
-namespace cfg {
-namespace helpers {
-//
-// Init levels from given string
-//
-// Examples:
-//
-// set global level to debug: "debug"
-// turn off all logging except for logger1: "off,logger1=debug"
-// turn off all logging except for logger1 and logger2: "off,logger1=debug,logger2=info"
-//
-SPDLOG_API void load_levels(const std::string &input);
-}  // namespace helpers
-}  // namespace cfg
-}  // namespace spdlog

include/spdlog/common.h

@@ -5,13 +5,12 @@
 
 #include <array>
 #include <atomic>
-#include <cstdio>
+#include <chrono>
 #include <exception>
 #include <functional>
 #include <initializer_list>
 #include <memory>
 #include <string>
-#include <chrono>
 #include <string_view>
 
 #include "./source_loc.h"

include/spdlog/details/context.h

@@ -0,0 +1,59 @@
+// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+
+#pragma once
+
+// Loggers registry of unique name->logger pointer
+// An attempt to create a logger with an already existing name will result with spdlog_ex exception.
+// If user requests a non-existing logger, nullptr will be returned
+// This class is thread safe
+
+#include <memory>
+#include <mutex>
+#include <string>
+
+#include "../common.h"
+#include "./periodic_worker.h"
+
+namespace spdlog {
+class logger;
+
+namespace details {
+class thread_pool;
+
+class SPDLOG_API context {
+public:
+    context() = default;
+    explicit context(std::unique_ptr<logger> global_logger);
+    ~context() = default;
+    context(const context &) = delete;
+    context &operator=(const context &) = delete;
+
+    [[nodiscard]] std::shared_ptr<logger> global_logger();
+
+    // Return raw ptr to the global logger.
+    // To be used directly by the spdlog global api (e.g. spdlog::info)
+    // This make the global API faster, but cannot be used concurrently with set_global_logger().
+    // e.g do not call set_global_logger() from one thread while calling spdlog::info() from
+    // another.
+    [[nodiscard]] logger *global_logger_raw() const noexcept;
+
+    // set logger instance.
+    void set_logger(std::shared_ptr<logger> new_logger);
+
+    void set_tp(std::shared_ptr<thread_pool> tp);
+
+    [[nodiscard]] std::shared_ptr<thread_pool> get_tp();
+
+    // clean all resources
+    void shutdown();
+    [[nodiscard]] std::recursive_mutex &tp_mutex();
+
+private:
+    std::recursive_mutex tp_mutex_;
+    std::shared_ptr<thread_pool> tp_;
+    std::shared_ptr<logger> global_logger_;
+};
+
+}  // namespace details
+}  // namespace spdlog

include/spdlog/details/os.h

@@ -5,6 +5,7 @@
 
 #include <ctime>  // std::time_t
 #include <tuple>
+
 #include "../common.h"
 #include "../filename_t.h"
 
@@ -66,7 +67,6 @@ SPDLOG_API void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target);
 SPDLOG_API void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target);
 #endif
 
-
 // non thread safe, cross platform getenv/getenv_s
 // return empty string if field not found
 SPDLOG_API std::string getenv(const char *field);
@@ -106,7 +106,6 @@ SPDLOG_API bool rename(const filename_t &filename1, const filename_t &filename2)
 // Return if file exists.
 SPDLOG_API bool path_exists(const filename_t &filename) noexcept;
 
-
 // Return file path and its extension:
 //
 // "mylog.txt" => ("mylog", ".txt")
@@ -124,7 +123,6 @@ SPDLOG_API std::tuple<filename_t, filename_t> split_by_extension(const filename_
 // Try tp convert filename to string. Return "??" if failed
 SPDLOG_API std::string filename_to_str(const filename_t &filename);
 
-
 }  // namespace os
 }  // namespace details
 }  // namespace spdlog

include/spdlog/details/registry.h

@@ -1,120 +0,0 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-
-#pragma once
-
-// Loggers registry of unique name->logger pointer
-// An attempt to create a logger with an already existing name will result with spdlog_ex exception.
-// If user requests a non-existing logger, nullptr will be returned
-// This class is thread safe
-
-#include <chrono>
-#include <functional>
-#include <memory>
-#include <mutex>
-#include <string>
-#include <string_view>
-#include <unordered_map>
-
-#include "../common.h"
-#include "./periodic_worker.h"
-
-namespace spdlog {
-class logger;
-
-namespace details {
-class thread_pool;
-
-class SPDLOG_API registry {
-public:
-    using log_levels = std::unordered_map<std::string, level>;
-
-    static registry &instance();
-    registry(const registry &) = delete;
-    registry &operator=(const registry &) = delete;
-
-    void register_logger(std::shared_ptr<logger> new_logger);
-    void initialize_logger(std::shared_ptr<logger> new_logger);
-    std::shared_ptr<logger> get(const std::string &logger_name);
-    std::shared_ptr<logger> get(std::string_view logger_name);
-    std::shared_ptr<logger> get(const char *logger_name);
-    std::shared_ptr<logger> default_logger();
-
-    // Return raw ptr to the default logger.
-    // To be used directly by the spdlog default api (e.g. spdlog::info)
-    // This make the default API faster, but cannot be used concurrently with set_default_logger().
-    // e.g do not call set_default_logger() from one thread while calling spdlog::info() from
-    // another.
-    logger *get_default_raw() const;
-
-    // set default logger.
-    // default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
-    void set_default_logger(std::shared_ptr<logger> new_default_logger);
-
-    void set_tp(std::shared_ptr<thread_pool> tp);
-
-    std::shared_ptr<thread_pool> get_tp();
-
-    // Set global formatter. Each sink in each logger will get a clone of this object
-    void set_formatter(std::unique_ptr<formatter> formatter);
-
-    void set_level(level level);
-
-    void flush_on(level level);
-
-    template <typename Rep, typename Period>
-    void flush_every(std::chrono::duration<Rep, Period> interval) {
-        std::lock_guard<std::mutex> lock(flusher_mutex_);
-        auto clbk = [this]() { this->flush_all(); };
-        periodic_flusher_ = std::make_unique<periodic_worker>(clbk, interval);
-    }
-
-    std::unique_ptr<periodic_worker> &get_flusher() {
-        std::lock_guard<std::mutex> lock(flusher_mutex_);
-        return periodic_flusher_;
-    }
-
-    void set_error_handler(err_handler handler);
-
-    void apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun);
-
-    void flush_all();
-
-    void drop(const std::string &logger_name);
-
-    void drop_all();
-
-    // clean all resources and threads started by the registry
-    void shutdown();
-
-    std::recursive_mutex &tp_mutex();
-
-    void set_automatic_registration(bool automatic_registration);
-
-    // set levels for all existing/future loggers. global_level can be null if should not set.
-    void set_levels(log_levels levels, level *global_level);
-
-    void apply_logger_env_levels(std::shared_ptr<logger> new_logger);
-
-private:
-    registry();
-    ~registry();
-
-    void throw_if_exists_(const std::string &logger_name);
-    void register_logger_(std::shared_ptr<logger> new_logger);
-    std::mutex logger_map_mutex_, flusher_mutex_;
-    std::recursive_mutex tp_mutex_;
-    std::unordered_map<std::string, std::shared_ptr<logger>> loggers_;
-    log_levels log_levels_;
-    std::unique_ptr<formatter> formatter_;
-    spdlog::level global_log_level_ = level::info;
-    level flush_level_ = level::off;
-    err_handler err_handler_;
-    std::shared_ptr<thread_pool> tp_;
-    std::unique_ptr<periodic_worker> periodic_flusher_;
-    std::shared_ptr<logger> default_logger_;
-    bool automatic_registration_ = true;
-};
-
-}  // namespace details
-}  // namespace spdlog

include/spdlog/details/synchronous_factory.h

@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include "./registry.h"
+#include "./context.h"
 
 namespace spdlog {
 
@@ -15,7 +15,6 @@ struct synchronous_factory {
     static std::shared_ptr<spdlog::logger> create(std::string logger_name, SinkArgs &&...args) {
         auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
         auto new_logger = std::make_shared<spdlog::logger>(std::move(logger_name), std::move(sink));
-        details::registry::instance().initialize_logger(new_logger);
         return new_logger;
     }
 };

include/spdlog/file_event_handlers.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <functional>
+
 #include "./filename_t.h"
 
 namespace spdlog {

include/spdlog/fmt/bin_to_hex.h

@@ -88,10 +88,8 @@ inline details::dump_info<It> to_hex(const It range_begin, const It range_end, s
 
 }  // namespace spdlog
 
-namespace fmt {
-
 template <typename T>
-struct formatter<spdlog::details::dump_info<T>, char> {
+struct fmt::formatter<spdlog::details::dump_info<T>, char> {
     const char delimiter = ' ';
     bool put_newlines = true;
     bool put_delimiters = true;
@@ -123,6 +121,7 @@ struct formatter<spdlog::details::dump_info<T>, char> {
                         show_ascii = true;
                     }
                     break;
+                default:;
             }
 
             ++it;
@@ -202,5 +201,4 @@ struct formatter<spdlog::details::dump_info<T>, char> {
             spdlog::fmt_lib::format_to(inserter, SPDLOG_FMT_STRING("{:04X}: "), pos);
         }
     }
-};
-}  // namespace fmt
+};  // namespace fmt

include/spdlog/sinks/daily_file_sink.h

@@ -11,13 +11,12 @@
 #include <string>
 
 #include "../common.h"
-#include "./base_sink.h"
 #include "../details/circular_q.h"
 #include "../details/file_helper.h"
 #include "../details/null_mutex.h"
 #include "../details/os.h"
 #include "../details/synchronous_factory.h"
-
+#include "./base_sink.h"
 
 namespace spdlog {
 namespace sinks {
@@ -25,21 +24,21 @@ namespace sinks {
 /*
  * Generator of daily log file names in format basename_YYYY-MM-DD.ext
  */
-struct daily_filename_calculator {    
+struct daily_filename_calculator {
     static filename_t calc_filename(const filename_t &filename, const tm &now_tm) {
         filename_t basename, ext;
         std::tie(basename, ext) = details::os::split_by_extension(filename);
-        std::basic_ostringstream<filename_t::value_type> oss;        
+        std::basic_ostringstream<filename_t::value_type> oss;
         oss << basename.native() << '_' << std::setfill(SPDLOG_FILENAME_T('0')) << std::setw(4) << now_tm.tm_year + 1900 << '-'
             << std::setw(2) << now_tm.tm_mon + 1 << '-' << std::setw(2) << now_tm.tm_mday << ext.native();
-        return oss.str();        
+        return oss.str();
     }
 };
 
 /*
  * Generator of daily log file names with strftime format.
  * Usages:
- *    
+ *
  * std::make_shared<spdlog::sinks::daily_file_format_sink_mt>("myapp-%Y-%m-%d:%H:%M:%S.log", hour,  minute);
  * or
  * spdlog::daily_logger_format_mt("loggername, "myapp-%Y-%m-%d:%X.log", hour,  minute)"

include/spdlog/sinks/dup_filter_sink.h

@@ -37,7 +37,7 @@
 namespace spdlog {
 namespace sinks {
 template <typename Mutex>
-class dup_filter_sink : public dist_sink<Mutex> {
+class dup_filter_sink final : public dist_sink<Mutex> {
 public:
     template <class Rep, class Period>
     explicit dup_filter_sink(std::chrono::duration<Rep, Period> max_skip_duration, level notification_level = level::info)

include/spdlog/sinks/hourly_file_sink.h

@@ -28,11 +28,11 @@ struct hourly_filename_calculator {
     static filename_t calc_filename(const filename_t &filename, const tm &now_tm) {
         filename_t basename, ext;
         std::tie(basename, ext) = details::os::split_by_extension(filename);
-        std::basic_ostringstream<filename_t::value_type> oss;        
+        std::basic_ostringstream<filename_t::value_type> oss;
         oss << basename.native() << '_' << std::setfill(SPDLOG_FILENAME_T('0')) << std::setw(4) << now_tm.tm_year + 1900 << '-'
             << std::setw(2) << now_tm.tm_mon + 1 << '-' << std::setw(2) << now_tm.tm_mday << '_' << std::setw(2) << now_tm.tm_hour
             << ext.native();
-        return oss.str();        
+        return oss.str();
     }
 };
 
@@ -47,10 +47,10 @@ template <typename Mutex, typename FileNameCalc = hourly_filename_calculator>
 class hourly_file_sink final : public base_sink<Mutex> {
 public:
     // create hourly file sink which rotates on given time
-    hourly_file_sink(filename_t base_filename,
-                     bool truncate = false,
-                     uint16_t max_files = 0,
-                     const file_event_handlers &event_handlers = {})
+    explicit hourly_file_sink(filename_t base_filename,
+                              bool truncate = false,
+                              uint16_t max_files = 0,
+                              const file_event_handlers &event_handlers = {})
         : base_filename_(std::move(base_filename)),
           file_helper_{event_handlers},
           truncate_(truncate),

include/spdlog/sinks/msvc_sink.h

@@ -21,7 +21,7 @@ template <typename Mutex>
 class msvc_sink final : public base_sink<Mutex> {
 public:
     msvc_sink() = default;
-    msvc_sink(bool check_debugger_present)
+    explicit msvc_sink(bool check_debugger_present)
         : check_debugger_present_{check_debugger_present} {}
 
 protected:

include/spdlog/sinks/syslog_sink.h

@@ -17,7 +17,7 @@ namespace sinks {
  * Sink that write to syslog using the `syscall()` library call.
  */
 template <typename Mutex>
-class syslog_sink : public base_sink<Mutex> {
+class syslog_sink final : public base_sink<Mutex> {
 public:
     syslog_sink(std::string ident, int syslog_option, int syslog_facility, bool enable_formatting)
         : enable_formatting_{enable_formatting},

include/spdlog/spdlog.h

@@ -9,14 +9,12 @@
 
 #pragma once
 
-#include <chrono>
-#include <functional>
 #include <memory>
 #include <string>
 #include <string_view>
 
 #include "./common.h"
-#include "./details/registry.h"
+#include "./details/context.h"
 #include "./details/synchronous_factory.h"
 #include "./logger.h"
 
@@ -24,153 +22,107 @@ namespace spdlog {
 
 using default_factory = synchronous_factory;
 
-// Create and register a logger with a templated sink type
-// The logger's level, formatter and flush level will be set according the
-// global settings.
-//
+SPDLOG_API void set_context(std::shared_ptr<details::context> context);
+SPDLOG_API std::shared_ptr<details::context> context();
+SPDLOG_API const std::shared_ptr<details::context> &context_ref();
+
+// Create a logger with a templated sink type
 // Example:
 //   spdlog::create<daily_file_sink_st>("logger_name", "dailylog_filename", 11, 59);
 template <typename Sink, typename... SinkArgs>
-inline std::shared_ptr<spdlog::logger> create(std::string logger_name, SinkArgs &&...sink_args) {
+std::shared_ptr<logger> create(std::string logger_name, SinkArgs &&...sink_args) {
     return default_factory::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...);
 }
 
-// Initialize and register a logger,
-// formatter and flush level will be set according the global settings.
-//
-// Useful for initializing manually created loggers with the global settings.
-//
-// Example:
-//   auto mylogger = std::make_shared<spdlog::logger>("mylogger", ...);
-//   spdlog::initialize_logger(mylogger);
-SPDLOG_API void initialize_logger(std::shared_ptr<logger> logger);
+// Set formatter of the global logger. Each sink in each logger will get a clone of this object
+SPDLOG_API void set_formatter(std::unique_ptr<formatter> formatter);
 
-// Return an existing logger or nullptr if a logger with such name doesn't
-// exist.
-// example: spdlog::get("my_logger")->info("hello {}", "world");
-SPDLOG_API std::shared_ptr<logger> get(const std::string &name);
-SPDLOG_API std::shared_ptr<logger> get(std::string_view name);
-SPDLOG_API std::shared_ptr<logger> get(const char *name);
-
-// Set global formatter. Each sink in each logger will get a clone of this object
-SPDLOG_API void set_formatter(std::unique_ptr<spdlog::formatter> formatter);
-
-// Set global format string.
+// Set format string of the global logger.
 // example: spdlog::set_pattern("%Y-%m-%d %H:%M:%S.%e %l : %v");
 SPDLOG_API void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local);
 
-// Get global logging level
+// Get logging level of the global logger
 SPDLOG_API level get_level();
 
-// Set global logging level
+// Set logging level of the global logger
 SPDLOG_API void set_level(level level);
 
-// Determine whether the default logger should log messages with a certain level
+// Determine whether the global logger should log messages with a certain level
 SPDLOG_API bool should_log(level level);
 
-// Set global flush level
+// Set flush level of the global logger.
 SPDLOG_API void flush_on(level level);
 
-// Start/Restart a periodic flusher thread
-// Warning: Use only if all your loggers are thread safe!
-template <typename Rep, typename Period>
-inline void flush_every(std::chrono::duration<Rep, Period> interval) {
-    details::registry::instance().flush_every(interval);
-}
-
-// Set global error handler
+// Set error handler for the global logger
 SPDLOG_API void set_error_handler(void (*handler)(const std::string &msg));
 
-// Register the given logger with the given name
-SPDLOG_API void register_logger(std::shared_ptr<logger> logger);
-
-// Apply a user defined function on all registered loggers
-// Example:
-// spdlog::apply_all([&](std::shared_ptr<spdlog::logger> l) {l->flush();});
-SPDLOG_API void apply_all(const std::function<void(std::shared_ptr<logger>)> &fun);
-
-// Drop the reference to the given logger
-SPDLOG_API void drop(const std::string &name);
-
-// Drop all references from the registry
-SPDLOG_API void drop_all();
-
-// stop any running threads started by spdlog and clean registry loggers
+// calls context::shutdown() to perform final cleanups
 SPDLOG_API void shutdown();
 
-// Automatic registration of loggers when using spdlog::create() or spdlog::create_async
-SPDLOG_API void set_automatic_registration(bool automatic_registration);
-
-// API for using default logger (stdout_color_mt),
+// API for using global logger (stdout_color_mt),
 // e.g: spdlog::info("Message {}", 1);
 //
-// The default logger object can be accessed using the spdlog::default_logger():
+// The global logger object can be accessed using the spdlog::global_logger():
 // For example, to add another sink to it:
-// spdlog::default_logger()->sinks().push_back(some_sink);
+// spdlog::global_logger()->sinks().push_back(some_sink);
 //
-// The default logger can replaced using spdlog::set_default_logger(new_logger).
+// The global logger can be replaced using spdlog::set_global_logger(new_logger).
 // For example, to replace it with a file logger.
 //
 // IMPORTANT:
-// The default API is thread safe (for _mt loggers), but:
-// set_default_logger() *should not* be used concurrently with the default API.
-// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
+// Do not call set_global_logger() from one thread while calling spdlog::info() from another.
+SPDLOG_API std::shared_ptr<logger> global_logger();
 
-SPDLOG_API std::shared_ptr<spdlog::logger> default_logger();
+// Set the global logger. (for example, to replace the global logger with a custom logger)
+SPDLOG_API void set_global_logger(std::shared_ptr<logger> global_logger);
 
-SPDLOG_API spdlog::logger *default_logger_raw();
-
-SPDLOG_API void set_default_logger(std::shared_ptr<spdlog::logger> default_logger);
-
-// Initialize logger level based on environment configs.
-//
-// Useful for applying SPDLOG_LEVEL to manually created loggers.
-//
-// Example:
-//   auto mylogger = std::make_shared<spdlog::logger>("mylogger", ...);
-//   spdlog::apply_logger_env_levels(mylogger);
-SPDLOG_API void apply_logger_env_levels(std::shared_ptr<logger> logger);
+// Return the global logger raw pointer.
+// To be used directly by the spdlog default API (e.g. spdlog::info)
+// This make the default API faster, but cannot be used concurrently with set_global_logger().
+// e.g do not call set_global_logger() from one thread while calling spdlog::info() from another.
+SPDLOG_API logger *global_logger_raw() noexcept;
 
 template <typename... Args>
-inline void log(source_loc source, level lvl, format_string_t<Args...> fmt, Args &&...args) {
-    default_logger_raw()->log(source, lvl, fmt, std::forward<Args>(args)...);
+void log(source_loc source, level lvl, format_string_t<Args...> fmt, Args &&...args) {
+    global_logger_raw()->log(source, lvl, fmt, std::forward<Args>(args)...);
 }
 
 template <typename... Args>
-inline void log(level lvl, format_string_t<Args...> fmt, Args &&...args) {
-    default_logger_raw()->log(lvl, fmt, std::forward<Args>(args)...);
+void log(level lvl, format_string_t<Args...> fmt, Args &&...args) {
+    global_logger_raw()->log(lvl, fmt, std::forward<Args>(args)...);
 }
 
-inline void log(level lvl, std::string_view msg) { default_logger_raw()->log(lvl, msg); }
-inline void log(source_loc loc, level lvl, std::string_view msg) { default_logger_raw()->log(loc, lvl, msg); }
+inline void log(level lvl, std::string_view msg) { global_logger_raw()->log(lvl, msg); }
+
+inline void log(source_loc loc, level lvl, std::string_view msg) { global_logger_raw()->log(loc, lvl, msg); }
 
 template <typename... Args>
-inline void trace(format_string_t<Args...> fmt, Args &&...args) {
+void trace(format_string_t<Args...> fmt, Args &&...args) {
     log(level::trace, fmt, std::forward<Args>(args)...);
 }
 
 template <typename... Args>
-inline void debug(format_string_t<Args...> fmt, Args &&...args) {
+void debug(format_string_t<Args...> fmt, Args &&...args) {
     log(level::debug, fmt, std::forward<Args>(args)...);
 }
 
 template <typename... Args>
-inline void info(format_string_t<Args...> fmt, Args &&...args) {
+void info(format_string_t<Args...> fmt, Args &&...args) {
     log(level::info, fmt, std::forward<Args>(args)...);
 }
 
 template <typename... Args>
-inline void warn(format_string_t<Args...> fmt, Args &&...args) {
+void warn(format_string_t<Args...> fmt, Args &&...args) {
     log(level::warn, fmt, std::forward<Args>(args)...);
 }
 
 template <typename... Args>
-inline void error(format_string_t<Args...> fmt, Args &&...args) {
+void error(format_string_t<Args...> fmt, Args &&...args) {
     log(level::err, fmt, std::forward<Args>(args)...);
 }
 
 template <typename... Args>
-inline void critical(format_string_t<Args...> fmt, Args &&...args) {
+void critical(format_string_t<Args...> fmt, Args &&...args) {
     log(level::critical, fmt, std::forward<Args>(args)...);
 }
 
@@ -211,7 +163,7 @@ inline void critical(std::string_view msg) { log(level::critical, msg); }
 
 #if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_TRACE
     #define SPDLOG_LOGGER_TRACE(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::trace, __VA_ARGS__)
-    #define SPDLOG_TRACE(...) SPDLOG_LOGGER_TRACE(spdlog::default_logger_raw(), __VA_ARGS__)
+    #define SPDLOG_TRACE(...) SPDLOG_LOGGER_TRACE(spdlog::global_logger_raw(), __VA_ARGS__)
 #else
     #define SPDLOG_LOGGER_TRACE(logger, ...) (void)0
     #define SPDLOG_TRACE(...) (void)0
@@ -219,7 +171,7 @@ inline void critical(std::string_view msg) { log(level::critical, msg); }
 
 #if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_DEBUG
     #define SPDLOG_LOGGER_DEBUG(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::debug, __VA_ARGS__)
-    #define SPDLOG_DEBUG(...) SPDLOG_LOGGER_DEBUG(spdlog::default_logger_raw(), __VA_ARGS__)
+    #define SPDLOG_DEBUG(...) SPDLOG_LOGGER_DEBUG(spdlog::global_logger(), __VA_ARGS__)
 #else
     #define SPDLOG_LOGGER_DEBUG(logger, ...) (void)0
     #define SPDLOG_DEBUG(...) (void)0
@@ -227,7 +179,7 @@ inline void critical(std::string_view msg) { log(level::critical, msg); }
 
 #if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_INFO
     #define SPDLOG_LOGGER_INFO(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::info, __VA_ARGS__)
-    #define SPDLOG_INFO(...) SPDLOG_LOGGER_INFO(spdlog::default_logger_raw(), __VA_ARGS__)
+    #define SPDLOG_INFO(...) SPDLOG_LOGGER_INFO(spdlog::global_logger(), __VA_ARGS__)
 #else
     #define SPDLOG_LOGGER_INFO(logger, ...) (void)0
     #define SPDLOG_INFO(...) (void)0
@@ -235,7 +187,7 @@ inline void critical(std::string_view msg) { log(level::critical, msg); }
 
 #if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_WARN
     #define SPDLOG_LOGGER_WARN(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::warn, __VA_ARGS__)
-    #define SPDLOG_WARN(...) SPDLOG_LOGGER_WARN(spdlog::default_logger_raw(), __VA_ARGS__)
+    #define SPDLOG_WARN(...) SPDLOG_LOGGER_WARN(spdlog::global_logger(), __VA_ARGS__)
 #else
     #define SPDLOG_LOGGER_WARN(logger, ...) (void)0
     #define SPDLOG_WARN(...) (void)0
@@ -243,7 +195,7 @@ inline void critical(std::string_view msg) { log(level::critical, msg); }
 
 #if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_ERROR
     #define SPDLOG_LOGGER_ERROR(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::err, __VA_ARGS__)
-    #define SPDLOG_ERROR(...) SPDLOG_LOGGER_ERROR(spdlog::default_logger_raw(), __VA_ARGS__)
+    #define SPDLOG_ERROR(...) SPDLOG_LOGGER_ERROR(spdlog::global_logger(), __VA_ARGS__)
 #else
     #define SPDLOG_LOGGER_ERROR(logger, ...) (void)0
     #define SPDLOG_ERROR(...) (void)0
@@ -251,7 +203,7 @@ inline void critical(std::string_view msg) { log(level::critical, msg); }
 
 #if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_CRITICAL
     #define SPDLOG_LOGGER_CRITICAL(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::critical, __VA_ARGS__)
-    #define SPDLOG_CRITICAL(...) SPDLOG_LOGGER_CRITICAL(spdlog::default_logger_raw(), __VA_ARGS__)
+    #define SPDLOG_CRITICAL(...) SPDLOG_LOGGER_CRITICAL(spdlog::global_logger(), __VA_ARGS__)
 #else
     #define SPDLOG_LOGGER_CRITICAL(logger, ...) (void)0
     #define SPDLOG_CRITICAL(...) (void)0

include/spdlog/stopwatch.h

@@ -51,13 +51,10 @@ public:
 }  // namespace spdlog
 
 // Support for fmt formatting  (e.g. "{:012.9}" or just "{}")
-namespace fmt {
-
 template <>
-struct formatter<spdlog::stopwatch> : formatter<double> {
+struct fmt::formatter<spdlog::stopwatch> : formatter<double> {
     template <typename FormatContext>
     auto format(const spdlog::stopwatch &sw, FormatContext &ctx) const -> decltype(ctx.out()) {
         return formatter<double>::format(sw.elapsed().count(), ctx);
     }
-};
-}  // namespace fmt
+};  // namespace fmt

logos/jetbrains-variant-4.svg

@@ -1,4 +1,4 @@
-<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="263" height="147" viewBox="0 0 263 147">
+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" width="263" height="147" viewBox="0 0 263 147">
   <defs>
     <linearGradient id="linear-gradient" x1="54.4568" y1="122.5936" x2="251.779" y2="10.2057" gradientUnits="userSpaceOnUse">
       <stop offset="0" stop-color="#00adee"/>

src/cfg/helpers.cpp

@@ -1,99 +0,0 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-
-#include "spdlog/cfg/helpers.h"
-
-#include <algorithm>
-#include <sstream>
-#include <string>
-#include <utility>
-
-#include "spdlog/details/registry.h"
-
-namespace spdlog {
-namespace cfg {
-namespace helpers {
-
-// inplace convert to lowercase
-inline std::string &to_lower_(std::string &str) {
-    std::transform(str.begin(), str.end(), str.begin(),
-                   [](char ch) { return static_cast<char>((ch >= 'A' && ch <= 'Z') ? ch + ('a' - 'A') : ch); });
-    return str;
-}
-
-// inplace trim spaces
-inline std::string &trim_(std::string &str) {
-    const char *spaces = " \n\r\t";
-    str.erase(str.find_last_not_of(spaces) + 1);
-    str.erase(0, str.find_first_not_of(spaces));
-    return str;
-}
-
-// return (name,value) trimmed pair from given "name=value" string.
-// return empty string on missing parts
-// "key=val" => ("key", "val")
-// " key  =  val " => ("key", "val")
-// "key=" => ("key", "")
-// "val" => ("", "val")
-
-inline std::pair<std::string, std::string> extract_kv_(char sep, const std::string &str) {
-    auto n = str.find(sep);
-    std::string k, v;
-    if (n == std::string::npos) {
-        v = str;
-    } else {
-        k = str.substr(0, n);
-        v = str.substr(n + 1);
-    }
-    return std::make_pair(trim_(k), trim_(v));
-}
-
-// return vector of key/value pairs from sequence of "K1=V1,K2=V2,.."
-// "a=AAA,b=BBB,c=CCC,.." => {("a","AAA"),("b","BBB"),("c", "CCC"),...}
-inline std::unordered_map<std::string, std::string> extract_key_vals_(const std::string &str) {
-    std::string token;
-    std::istringstream token_stream(str);
-    std::unordered_map<std::string, std::string> rv{};
-    while (std::getline(token_stream, token, ',')) {
-        if (token.empty()) {
-            continue;
-        }
-        auto kv = extract_kv_('=', token);
-        rv[kv.first] = kv.second;
-    }
-    return rv;
-}
-
-void load_levels(const std::string &input) {
-    if (input.empty() || input.size() > 512) {
-        return;
-    }
-
-    auto key_vals = extract_key_vals_(input);
-    std::unordered_map<std::string, level> levels;
-    level global_level = level::info;
-    bool global_level_found = false;
-
-    for (auto &name_level : key_vals) {
-        const auto &logger_name = name_level.first;
-        auto level_name = to_lower_(name_level.second);
-        auto level = level_from_str(level_name);
-        // ignore unrecognized level names
-        if (level == level::off && level_name != "off") {
-            continue;
-        }
-        if (logger_name.empty())  // no logger name indicate global level
-        {
-            global_level_found = true;
-            global_level = level;
-        } else {
-            levels[logger_name] = level;
-        }
-    }
-
-    details::registry::instance().set_levels(std::move(levels), global_level_found ? &global_level : nullptr);
-}
-
-}  // namespace helpers
-}  // namespace cfg
-}  // namespace spdlog

src/details/context.cpp

@@ -0,0 +1,49 @@
+// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+
+#include "spdlog/details/context.h"
+
+#include "spdlog/logger.h"
+
+#ifndef SPDLOG_DISABLE_GLOBAL_LOGGER
+    #include "spdlog/sinks/stdout_color_sinks.h"
+#endif  // SPDLOG_DISABLE_GLOBAL_LOGGER
+
+#include <memory>
+
+namespace spdlog {
+namespace details {
+
+context::context(std::unique_ptr<logger> global_logger) { global_logger_ = std::move(global_logger); }
+
+std::shared_ptr<logger> context::global_logger() { return global_logger_; }
+
+// Return raw ptr to the global logger.
+// To be used directly by the spdlog default api (e.g. spdlog::info)
+// This make the default API faster, but cannot be used concurrently with set_global_logger().
+// e.g do not call set_global_logger() from one thread while calling spdlog::info() from another.
+logger *context::global_logger_raw() const noexcept { return global_logger_.get(); }
+
+// set global logger
+void context::set_logger(std::shared_ptr<logger> new_global_logger) { global_logger_ = std::move(new_global_logger); }
+
+void context::set_tp(std::shared_ptr<thread_pool> tp) {
+    std::lock_guard lock(tp_mutex_);
+    tp_ = std::move(tp);
+}
+
+std::shared_ptr<thread_pool> context::get_tp() {
+    std::lock_guard lock(tp_mutex_);
+    return tp_;
+}
+
+// clean all resources and threads started by the registry
+void context::shutdown() {
+    std::lock_guard lock(tp_mutex_);
+    tp_.reset();
+}
+
+std::recursive_mutex &context::tp_mutex() { return tp_mutex_; }
+
+}  // namespace details
+}  // namespace spdlog

src/details/file_helper.cpp

@@ -1,13 +1,13 @@
 // Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
 // Distributed under the MIT License (http://opensource.org/licenses/MIT)
 
+#include "spdlog/details/file_helper.h"
 
 #include <cerrno>
 #include <cstdio>
-#include <utility>
 #include <filesystem>
+#include <utility>
 
-#include "spdlog/details/file_helper.h"
 #include "spdlog/common.h"
 #include "spdlog/details/os.h"
 
@@ -29,9 +29,11 @@ void file_helper::open(const filename_t &fname, bool truncate) {
     if (event_handlers_.before_open) {
         event_handlers_.before_open(filename_);
     }
+
+    // create containing folder if not exists already.
+    os::create_dir(os::dir_name(fname));
+
     for (int tries = 0; tries < open_tries_; ++tries) {
-        // create containing folder if not exists already.
-        os::create_dir(os::dir_name(fname));
         if (truncate) {
             // Truncate by opening-and-closing a tmp file in "wb" mode, always
             // opening the actual log-we-write-to in "ab" mode, since that
@@ -108,6 +110,5 @@ size_t file_helper::size() const {
 
 const filename_t &file_helper::filename() const { return filename_; }
 
-
 }  // namespace details
 }  // namespace spdlog

src/details/os_filesystem.cpp

@@ -11,9 +11,7 @@ namespace spdlog {
 namespace details {
 namespace os {
 
-bool remove(const filename_t &filename) { 
-    return std::filesystem::remove(filename); 
-}
+bool remove(const filename_t &filename) { return std::filesystem::remove(filename); }
 
 bool remove_if_exists(const filename_t &filename) {
     if (path_exists(filename)) {
@@ -42,7 +40,6 @@ bool path_exists(const filename_t &filename) noexcept { return std::filesystem::
 // "abc///" => "abc//"
 filename_t dir_name(const filename_t &path) { return path.parent_path(); }
 
-
 // Create the given directory - and all directories leading to it
 // return true on success or if the directory already exists
 bool create_dir(const filename_t &path) {
@@ -50,19 +47,13 @@ bool create_dir(const filename_t &path) {
     return std::filesystem::create_directories(path, ec) || !ec;
 }
 
-
 // Return file path and its extension:
 //
 // "mylog.txt" => ("mylog", ".txt")
 // "mylog" => ("mylog", "")
 // "mylog." => ("mylog", ".")
 // "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt")
-//
-// the starting dot in filenames is ignored (hidden files):
-//
-// ".mylog" => (".mylog". "")
-// "my_folder/.mylog" => ("my_folder/.mylog", "")
-// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
+// ".mylog" => (".mylog", "")
 std::tuple<filename_t, filename_t> split_by_extension(const filename_t &fname) {
     const auto ext = fname.extension();
     auto without_ext = filename_t(fname).replace_extension();

src/details/os_unix.cpp

@@ -99,7 +99,6 @@ bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode) {
     return *fp == nullptr;
 }
 
-
 // Return file size according to open FILE* object
 size_t filesize(FILE *f) {
     if (f == nullptr) {
@@ -231,9 +230,9 @@ void sleep_for_millis(unsigned int milliseconds) noexcept {
     std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
 }
 
-std::string filename_to_str(const filename_t &filename) { 
+std::string filename_to_str(const filename_t &filename) {
     static_assert(std::is_same_v<filename_t::value_type, char>, "filename_t type must be char");
-    return filename; 
+    return filename;
 }
 
 int pid() noexcept { return static_cast<int>(::getpid()); }

src/details/os_windows.cpp

@@ -6,7 +6,7 @@
 #endif
 
 // clang-format off
-#include "spdlog/details/windows_include.h"
+#include "spdlog/details/windows_include.h" // must be included before fileapi.h etc.
 // clang-format on
 
 #include <fileapi.h>  // for FlushFileBuffers
@@ -75,8 +75,6 @@ bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode) {
     return *fp == nullptr;
 }
 
-
-
 #ifdef _MSC_VER
 // avoid warning about unreachable statement at the end of filesize()
     #pragma warning(push)
@@ -151,15 +149,13 @@ void sleep_for_millis(unsigned int milliseconds) noexcept { ::Sleep(milliseconds
 // Try tp convert wstring filename to string. Return "???" if failed
 std::string filename_to_str(const filename_t &filename) {
     static_assert(std::is_same_v<filename_t::value_type, wchar_t>, "filename_t type must be wchar_t");
-    try {        
+    try {
         memory_buf_t buf;
         wstr_to_utf8buf(filename.wstring(), buf);
         return std::string(buf.data(), buf.size());
+    } catch (...) {
+        return "???";
     }
-    catch (...) {
-		return "???";
-	}
-    
 }
 
 int pid() noexcept { return static_cast<int>(::GetCurrentProcessId()); }
@@ -224,7 +220,6 @@ void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target) {
     throw_spdlog_ex(fmt_lib::format("MultiByteToWideChar failed. Last error: {}", ::GetLastError()));
 }
 
-
 std::string getenv(const char *field) {
 #if defined(_MSC_VER)
     #if defined(__cplusplus_winrt)

src/details/periodic_worker.cpp

@@ -1,22 +0,0 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-
-#include "spdlog/details/periodic_worker.h"
-
-namespace spdlog {
-namespace details {
-
-// stop the worker thread and join it
-periodic_worker::~periodic_worker() {
-    if (worker_thread_.joinable()) {
-        {
-            std::lock_guard<std::mutex> lock(mutex_);
-            active_ = false;
-        }
-        cv_.notify_one();
-        worker_thread_.join();
-    }
-}
-
-}  // namespace details
-}  // namespace spdlog

src/details/registry.cpp

@@ -1,263 +0,0 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-
-#include "spdlog/details/registry.h"
-
-#include "spdlog/common.h"
-#include "spdlog/logger.h"
-#include "spdlog/pattern_formatter.h"
-
-#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
-    // support for the default stdout color logger
-    #ifdef _WIN32
-        #include "spdlog/sinks/wincolor_sink.h"
-    #else
-
-        #include "spdlog/sinks/ansicolor_sink.h"
-
-    #endif
-#endif  // SPDLOG_DISABLE_DEFAULT_LOGGER
-
-#include <memory>
-#include <string>
-#include <unordered_map>
-
-static constexpr size_t small_map_threshold = 10;
-
-namespace spdlog {
-namespace details {
-
-registry::registry()
-    : formatter_(new pattern_formatter()) {
-#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
-    // create default logger (ansicolor_stdout_sink_mt or wincolor_stdout_sink_mt in windows).
-    #ifdef _WIN32
-    auto color_sink = std::make_shared<sinks::wincolor_stdout_sink_mt>();
-    #else
-    auto color_sink = std::make_shared<sinks::ansicolor_stdout_sink_mt>();
-    #endif
-    const char *default_logger_name = "";
-    default_logger_ = std::make_shared<spdlog::logger>(default_logger_name, std::move(color_sink));
-    loggers_[default_logger_name] = default_logger_;
-
-#endif  // SPDLOG_DISABLE_DEFAULT_LOGGER
-}
-
-registry::~registry() = default;
-
-void registry::register_logger(std::shared_ptr<logger> new_logger) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    register_logger_(std::move(new_logger));
-}
-
-void registry::initialize_logger(std::shared_ptr<logger> new_logger) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    new_logger->set_formatter(formatter_->clone());
-
-    if (err_handler_) {
-        new_logger->set_error_handler(err_handler_);
-    }
-
-    // set new level according to previously configured level or default level
-    auto it = log_levels_.find(new_logger->name());
-    auto new_level = it != log_levels_.end() ? it->second : global_log_level_;
-    new_logger->set_level(new_level);
-
-    new_logger->flush_on(flush_level_);
-
-    if (automatic_registration_) {
-        register_logger_(std::move(new_logger));
-    }
-}
-
-// if the map is small do a sequential search, otherwise use the standard find()
-std::shared_ptr<logger> registry::get(const std::string &logger_name) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    if (loggers_.size() <= small_map_threshold) {
-        for (const auto &[key, val] : loggers_) {
-            if (logger_name == key) {
-                return val;
-            }
-        }
-        return nullptr;
-    }
-    auto found = loggers_.find(logger_name);
-    return found == loggers_.end() ? nullptr : found->second;
-}
-
-// if the map is small do a sequential search and avoid creating string for find(logger_name)
-// otherwise use the standard find()
-std::shared_ptr<logger> registry::get(std::string_view logger_name) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    if (loggers_.size() <= small_map_threshold) {
-        for (const auto &[key, val] : loggers_) {
-            if (logger_name == key) {
-                return val;
-            }
-        }
-        return nullptr;
-    }
-    // otherwise use the normal map lookup
-    const auto found = loggers_.find(std::string(logger_name));
-    return found == loggers_.end() ? nullptr : found->second;
-}
-
-std::shared_ptr<logger> registry::get(const char *logger_name) { return get(std::string_view(logger_name)); }
-
-std::shared_ptr<logger> registry::default_logger() {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    return default_logger_;
-}
-
-// Return raw ptr to the default logger.
-// To be used directly by the spdlog default api (e.g. spdlog::info)
-// This make the default API faster, but cannot be used concurrently with set_default_logger().
-// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
-logger *registry::get_default_raw() const { return default_logger_.get(); }
-
-// set default logger.
-// default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
-void registry::set_default_logger(std::shared_ptr<logger> new_default_logger) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    if (new_default_logger != nullptr) {
-        loggers_[new_default_logger->name()] = new_default_logger;
-    }
-    default_logger_ = std::move(new_default_logger);
-}
-
-void registry::set_tp(std::shared_ptr<thread_pool> tp) {
-    std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
-    tp_ = std::move(tp);
-}
-
-std::shared_ptr<thread_pool> registry::get_tp() {
-    std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
-    return tp_;
-}
-
-// Set global formatter. Each sink in each logger will get a clone of this object
-void registry::set_formatter(std::unique_ptr<formatter> formatter) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    formatter_ = std::move(formatter);
-    for (auto &l : loggers_) {
-        l.second->set_formatter(formatter_->clone());
-    }
-}
-
-void registry::set_level(level level) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    for (auto &l : loggers_) {
-        l.second->set_level(level);
-    }
-    global_log_level_ = level;
-}
-
-void registry::flush_on(level level) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    for (auto &l : loggers_) {
-        l.second->flush_on(level);
-    }
-    flush_level_ = level;
-}
-
-void registry::set_error_handler(err_handler handler) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    for (auto &l : loggers_) {
-        l.second->set_error_handler(handler);
-    }
-    err_handler_ = std::move(handler);
-}
-
-void registry::apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    for (auto &l : loggers_) {
-        fun(l.second);
-    }
-}
-
-void registry::flush_all() {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    for (auto &l : loggers_) {
-        l.second->flush();
-    }
-}
-
-void registry::drop(const std::string &logger_name) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    auto is_default_logger = default_logger_ && default_logger_->name() == logger_name;
-    loggers_.erase(logger_name);
-    if (is_default_logger) {
-        default_logger_.reset();
-    }
-}
-
-void registry::drop_all() {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    loggers_.clear();
-    default_logger_.reset();
-}
-
-// clean all resources and threads started by the registry
-void registry::shutdown() {
-    {
-        std::lock_guard<std::mutex> lock(flusher_mutex_);
-        periodic_flusher_.reset();
-    }
-
-    drop_all();
-
-    {
-        std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
-        tp_.reset();
-    }
-}
-
-std::recursive_mutex &registry::tp_mutex() { return tp_mutex_; }
-
-void registry::set_automatic_registration(bool automatic_registration) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    automatic_registration_ = automatic_registration;
-}
-
-void registry::set_levels(log_levels levels, level *global_level) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    log_levels_ = std::move(levels);
-    auto global_level_requested = global_level != nullptr;
-    global_log_level_ = global_level_requested ? *global_level : global_log_level_;
-
-    for (auto &logger : loggers_) {
-        auto logger_entry = log_levels_.find(logger.first);
-        if (logger_entry != log_levels_.end()) {
-            logger.second->set_level(logger_entry->second);
-        } else if (global_level_requested) {
-            logger.second->set_level(*global_level);
-        }
-    }
-}
-
-registry &registry::instance() {
-    static registry s_instance;
-    return s_instance;
-}
-
-void registry::apply_logger_env_levels(std::shared_ptr<logger> new_logger) {
-    std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    auto it = log_levels_.find(new_logger->name());
-    auto new_level = it != log_levels_.end() ? it->second : global_log_level_;
-    new_logger->set_level(new_level);
-}
-
-void registry::throw_if_exists_(const std::string &logger_name) {
-    if (loggers_.find(logger_name) != loggers_.end()) {
-        throw_spdlog_ex("logger with name '" + logger_name + "' already exists");
-    }
-}
-
-void registry::register_logger_(std::shared_ptr<logger> new_logger) {
-    auto logger_name = new_logger->name();
-    throw_if_exists_(logger_name);
-    loggers_[logger_name] = std::move(new_logger);
-}
-
-}  // namespace details
-}  // namespace spdlog

src/sinks/rotating_file_sink.cpp

@@ -5,9 +5,9 @@
 
 #include <cerrno>
 #include <mutex>
+#include <sstream>
 #include <string>
 #include <tuple>
-#include <sstream>
 
 #include "spdlog/common.h"
 #include "spdlog/details/file_helper.h"
@@ -51,10 +51,10 @@ filename_t rotating_file_sink<Mutex>::calc_filename(const filename_t &filename,
 
     filename_t basename;
     filename_t ext;
-    std::tie(basename, ext) = details::os::split_by_extension(filename);    
+    std::tie(basename, ext) = details::os::split_by_extension(filename);
     std::basic_ostringstream<filename_t::value_type> oss;
     oss << basename.native() << '.' << index << ext.native();
-    return oss.str();    
+    return oss.str();
 }
 
 template <typename Mutex>
@@ -132,7 +132,7 @@ void rotating_file_sink<Mutex>::rotate_() {
 // delete the target if exists, and rename the src file  to target
 // return true on success, false otherwise.
 template <typename Mutex>
-bool rotating_file_sink<Mutex>::rename_file_(const filename_t &src_filename, const filename_t &target_filename) noexcept{    
+bool rotating_file_sink<Mutex>::rename_file_(const filename_t &src_filename, const filename_t &target_filename) noexcept {
     return details::os::rename(src_filename, target_filename);
 }
 

src/spdlog.cpp

@@ -3,6 +3,7 @@
 
 #include "spdlog/spdlog.h"
 
+#include <cassert>
 #include <memory>
 
 #include "spdlog/common.h"
@@ -12,55 +13,45 @@
 
 namespace spdlog {
 
-void initialize_logger(std::shared_ptr<logger> logger) { details::registry::instance().initialize_logger(std::move(logger)); }
+static std::shared_ptr s_context =
+#ifndef SPDLOG_DISABLE_GLOBAL_LOGGER
+    std::make_unique<details::context>(std::make_unique<logger>(std::string(), std::make_unique<sinks::stdout_color_sink_mt>()));
+#else
+    std::make_unique<details::context>();  // empty context
+#endif
 
-std::shared_ptr<logger> get(const std::string &name) { return details::registry::instance().get(name); }
+void set_context(std::shared_ptr<details::context> context) { s_context = std::move(context); }
 
-std::shared_ptr<logger> get(std::string_view name) { return details::registry::instance().get(name); }
+std::shared_ptr<details::context> context() { return s_context; }
 
-std::shared_ptr<logger> get(const char *name) { return details::registry::instance().get(name); }
+const std::shared_ptr<details::context> &context_ref() { return s_context; }
 
-void set_formatter(std::unique_ptr<spdlog::formatter> formatter) {
-    details::registry::instance().set_formatter(std::move(formatter));
+std::shared_ptr<logger> global_logger() { return context_ref()->global_logger(); }
+
+void set_global_logger(std::shared_ptr<logger> global_logger) { context()->set_logger(std::move(global_logger)); }
+
+logger *global_logger_raw() noexcept {
+    auto *rv = context_ref()->global_logger_raw();
+    assert(rv != nullptr);
+    return rv;
 }
 
+void set_formatter(std::unique_ptr<formatter> formatter) { global_logger()->set_formatter(std::move(formatter)); }
+
 void set_pattern(std::string pattern, pattern_time_type time_type) {
-    set_formatter(std::make_unique<spdlog::pattern_formatter>(std::move(pattern), time_type));
+    set_formatter(std::make_unique<pattern_formatter>(std::move(pattern), time_type));
 }
 
-level get_level() { return default_logger_raw()->log_level(); }
+level get_level() { return global_logger()->log_level(); }
 
-bool should_log(level level) { return default_logger_raw()->should_log(level); }
+bool should_log(level level) { return global_logger()->should_log(level); }
 
-void set_level(level level) { details::registry::instance().set_level(level); }
+void set_level(level level) { global_logger()->set_level(level); }
 
-void flush_on(level level) { details::registry::instance().flush_on(level); }
+void flush_on(level level) { global_logger()->flush_on(level); }
 
-void set_error_handler(void (*handler)(const std::string &msg)) { details::registry::instance().set_error_handler(handler); }
+void set_error_handler(void (*handler)(const std::string &msg)) { global_logger()->set_error_handler(handler); }
 
-void register_logger(std::shared_ptr<logger> logger) { details::registry::instance().register_logger(std::move(logger)); }
+void shutdown() { s_context.reset(); }
 
-void apply_all(const std::function<void(std::shared_ptr<logger>)> &fun) { details::registry::instance().apply_all(fun); }
-
-void drop(const std::string &name) { details::registry::instance().drop(name); }
-
-void drop_all() { details::registry::instance().drop_all(); }
-
-void shutdown() { details::registry::instance().shutdown(); }
-
-void set_automatic_registration(bool automatic_registration) {
-    details::registry::instance().set_automatic_registration(automatic_registration);
-}
-
-std::shared_ptr<spdlog::logger> default_logger() { return details::registry::instance().default_logger(); }
-
-spdlog::logger *default_logger_raw() { return details::registry::instance().get_default_raw(); }
-
-void set_default_logger(std::shared_ptr<spdlog::logger> default_logger) {
-    details::registry::instance().set_default_logger(std::move(default_logger));
-}
-
-void apply_logger_env_levels(std::shared_ptr<logger> logger) {
-    details::registry::instance().apply_logger_env_levels(std::move(logger));
-}
 }  // namespace spdlog

tests/CMakeLists.txt

@@ -34,8 +34,7 @@ set(SPDLOG_UTESTS_SOURCES
     test_misc.cpp
     test_pattern_formatter.cpp
     test_async.cpp
-    test_registry.cpp
-    test_macros.cpp
+        test_macros.cpp
     utils.cpp
     main.cpp
     test_mpmc_q.cpp
@@ -44,8 +43,7 @@ set(SPDLOG_UTESTS_SOURCES
     test_stdout_api.cpp
     test_create_dir.cpp
     test_custom_callbacks.cpp
-    test_cfg.cpp
-    test_time_point.cpp
+        test_time_point.cpp
     test_stopwatch.cpp
     test_circular_q.cpp
     test_ringbuffer_sink.cpp

tests/test_async.cpp

@@ -68,7 +68,6 @@ TEST_CASE("discard policy using factory ", "[async]") {
     }
 
     REQUIRE(test_sink->msg_counter() < messages);
-    spdlog::drop_all();
 }
 
 TEST_CASE("flush", "[async]") {
@@ -89,17 +88,6 @@ TEST_CASE("flush", "[async]") {
     REQUIRE(test_sink->flush_counter() == 1);
 }
 
-TEST_CASE("async periodic flush", "[async]") {
-    auto logger = spdlog::create_async<spdlog::sinks::test_sink_mt>("as");
-    auto test_sink = std::static_pointer_cast<spdlog::sinks::test_sink_mt>(logger->sinks()[0]);
-
-    spdlog::flush_every(std::chrono::seconds(1));
-    std::this_thread::sleep_for(std::chrono::milliseconds(1700));
-    REQUIRE(test_sink->flush_counter() == 1);
-    spdlog::flush_every(std::chrono::seconds(0));
-    spdlog::drop_all();
-}
-
 TEST_CASE("tp->wait_empty() ", "[async]") {
     auto test_sink = std::make_shared<spdlog::sinks::test_sink_mt>();
     test_sink->set_delay(std::chrono::milliseconds(5));

tests/test_cfg.cpp

@@ -1,168 +0,0 @@
-
-#include "includes.h"
-#include "spdlog/cfg/argv.h"
-#include "spdlog/cfg/env.h"
-#include "test_sink.h"
-
-using spdlog::cfg::load_argv_levels;
-using spdlog::cfg::load_env_levels;
-using spdlog::sinks::test_sink_st;
-
-TEST_CASE("env", "[cfg]") {
-    spdlog::drop("l1");
-    auto l1 = spdlog::create<test_sink_st>("l1");
-#ifdef CATCH_PLATFORM_WINDOWS
-    _putenv_s("SPDLOG_LEVEL", "l1=warn");
-#else
-    setenv("SPDLOG_LEVEL", "l1=warn", 1);
-#endif
-    load_env_levels();
-    REQUIRE(l1->log_level() == spdlog::level::warn);
-    spdlog::set_default_logger(spdlog::create<test_sink_st>("cfg-default"));
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::info);
-}
-
-TEST_CASE("argv1", "[cfg]") {
-    spdlog::drop("l1");
-    const char *argv[] = {"ignore", "SPDLOG_LEVEL=l1=warn"};
-    load_argv_levels(2, argv);
-    auto l1 = spdlog::create<spdlog::sinks::test_sink_st>("l1");
-    REQUIRE(l1->log_level() == spdlog::level::warn);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::info);
-}
-
-TEST_CASE("argv2", "[cfg]") {
-    spdlog::drop("l1");
-    const char *argv[] = {"ignore", "SPDLOG_LEVEL=l1=warn,trace"};
-    load_argv_levels(2, argv);
-    auto l1 = spdlog::create<test_sink_st>("l1");
-    REQUIRE(l1->log_level() == spdlog::level::warn);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::trace);
-}
-
-TEST_CASE("argv3", "[cfg]") {
-    spdlog::set_level(spdlog::level::trace);
-
-    spdlog::drop("l1");
-    const char *argv[] = {"ignore", "SPDLOG_LEVEL=junk_name=warn"};
-    load_argv_levels(2, argv);
-    auto l1 = spdlog::create<test_sink_st>("l1");
-    REQUIRE(l1->log_level() == spdlog::level::trace);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::trace);
-}
-
-TEST_CASE("argv4", "[cfg]") {
-    spdlog::set_level(spdlog::level::info);
-    spdlog::drop("l1");
-    const char *argv[] = {"ignore", "SPDLOG_LEVEL=junk"};
-    load_argv_levels(2, argv);
-    auto l1 = spdlog::create<test_sink_st>("l1");
-    REQUIRE(l1->log_level() == spdlog::level::info);
-}
-
-TEST_CASE("argv5", "[cfg]") {
-    spdlog::set_level(spdlog::level::info);
-    spdlog::drop("l1");
-    const char *argv[] = {"ignore", "ignore", "SPDLOG_LEVEL=l1=warn,trace"};
-    load_argv_levels(3, argv);
-    auto l1 = spdlog::create<test_sink_st>("l1");
-    REQUIRE(l1->log_level() == spdlog::level::warn);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::trace);
-    spdlog::set_level(spdlog::level::info);
-}
-
-TEST_CASE("argv6", "[cfg]") {
-    spdlog::set_level(spdlog::level::err);
-    const char *argv[] = {""};
-    load_argv_levels(1, argv);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::err);
-    spdlog::set_level(spdlog::level::info);
-}
-
-TEST_CASE("argv7", "[cfg]") {
-    spdlog::set_level(spdlog::level::err);
-    const char *argv[] = {""};
-    load_argv_levels(0, argv);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::err);
-    spdlog::set_level(spdlog::level::info);
-}
-
-TEST_CASE("level-not-set-test1", "[cfg]") {
-    spdlog::drop("l1");
-    const char *argv[] = {"ignore", ""};
-    load_argv_levels(2, argv);
-    auto l1 = spdlog::create<spdlog::sinks::test_sink_st>("l1");
-    l1->set_level(spdlog::level::trace);
-    REQUIRE(l1->log_level() == spdlog::level::trace);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::info);
-}
-
-TEST_CASE("level-not-set-test2", "[cfg]") {
-    spdlog::drop("l1");
-    spdlog::drop("l2");
-    const char *argv[] = {"ignore", "SPDLOG_LEVEL=l1=trace"};
-
-    auto l1 = spdlog::create<spdlog::sinks::test_sink_st>("l1");
-    l1->set_level(spdlog::level::warn);
-    auto l2 = spdlog::create<spdlog::sinks::test_sink_st>("l2");
-    l2->set_level(spdlog::level::warn);
-
-    load_argv_levels(2, argv);
-
-    REQUIRE(l1->log_level() == spdlog::level::trace);
-    REQUIRE(l2->log_level() == spdlog::level::warn);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::info);
-}
-
-TEST_CASE("level-not-set-test3", "[cfg]") {
-    spdlog::drop("l1");
-    spdlog::drop("l2");
-    const char *argv[] = {"ignore", "SPDLOG_LEVEL=l1=trace"};
-
-    load_argv_levels(2, argv);
-
-    auto l1 = spdlog::create<spdlog::sinks::test_sink_st>("l1");
-    auto l2 = spdlog::create<spdlog::sinks::test_sink_st>("l2");
-
-    REQUIRE(l1->log_level() == spdlog::level::trace);
-    REQUIRE(l2->log_level() == spdlog::level::info);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::info);
-}
-
-TEST_CASE("level-not-set-test4", "[cfg]") {
-    spdlog::drop("l1");
-    spdlog::drop("l2");
-    const char *argv[] = {"ignore", "SPDLOG_LEVEL=l1=trace,warn"};
-
-    load_argv_levels(2, argv);
-
-    auto l1 = spdlog::create<spdlog::sinks::test_sink_st>("l1");
-    auto l2 = spdlog::create<spdlog::sinks::test_sink_st>("l2");
-
-    REQUIRE(l1->log_level() == spdlog::level::trace);
-    REQUIRE(l2->log_level() == spdlog::level::warn);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::warn);
-}
-
-TEST_CASE("level-not-set-test5", "[cfg]") {
-    spdlog::drop("l1");
-    spdlog::drop("l2");
-    const char *argv[] = {"ignore", "SPDLOG_LEVEL=l1=junk,warn"};
-
-    load_argv_levels(2, argv);
-
-    auto l1 = spdlog::create<spdlog::sinks::test_sink_st>("l1");
-    auto l2 = spdlog::create<spdlog::sinks::test_sink_st>("l2");
-
-    REQUIRE(l1->log_level() == spdlog::level::warn);
-    REQUIRE(l2->log_level() == spdlog::level::warn);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::warn);
-}
-
-TEST_CASE("restore-to-default", "[cfg]") {
-    spdlog::drop("l1");
-    spdlog::drop("l2");
-    const char *argv[] = {"ignore", "SPDLOG_LEVEL=info"};
-    load_argv_levels(2, argv);
-    REQUIRE(spdlog::default_logger()->log_level() == spdlog::level::info);
-}

tests/test_create_dir.cpp

@@ -43,8 +43,8 @@ TEST_CASE("create_invalid_dir", "[create_dir]") {
 }
 
 TEST_CASE("dir_name", "[create_dir]") {
-    using spdlog::details::os::dir_name;    
-#ifdef WIN32    
+    using spdlog::details::os::dir_name;
+#ifdef WIN32
     REQUIRE(dir_name(SPDLOG_FILENAME_T(R"(dir\)")) == SPDLOG_FILENAME_T("dir"));
     REQUIRE(dir_name(SPDLOG_FILENAME_T(R"(dir\\\)")) == SPDLOG_FILENAME_T(R"(dir)"));
     REQUIRE(dir_name(SPDLOG_FILENAME_T(R"(dir\file)")) == SPDLOG_FILENAME_T("dir"));
@@ -60,19 +60,19 @@ TEST_CASE("dir_name", "[create_dir]") {
     REQUIRE(dir_name(SPDLOG_FILENAME_T(R"(c://a/b/c/d/file.txt)")) == SPDLOG_FILENAME_T(R"(c://a/b/c/d)"));
 #endif
     REQUIRE(dir_name(SPDLOG_FILENAME_T("")).empty());
-    REQUIRE(dir_name(SPDLOG_FILENAME_T("dir")).empty());    
+    REQUIRE(dir_name(SPDLOG_FILENAME_T("dir")).empty());
     REQUIRE(dir_name(SPDLOG_FILENAME_T("dir/")) == SPDLOG_FILENAME_T("dir"));
     REQUIRE(dir_name(SPDLOG_FILENAME_T("dir///")) == SPDLOG_FILENAME_T("dir"));
     REQUIRE(dir_name(SPDLOG_FILENAME_T("dir/file")) == SPDLOG_FILENAME_T("dir"));
     REQUIRE(dir_name(SPDLOG_FILENAME_T("dir/file.txt")) == SPDLOG_FILENAME_T("dir"));
     REQUIRE(dir_name(SPDLOG_FILENAME_T("dir/file.txt/")) == SPDLOG_FILENAME_T("dir/file.txt"));
-    REQUIRE(dir_name(SPDLOG_FILENAME_T("/dir/file.txt")) == SPDLOG_FILENAME_T("/dir"));    
+    REQUIRE(dir_name(SPDLOG_FILENAME_T("/dir/file.txt")) == SPDLOG_FILENAME_T("/dir"));
     REQUIRE(dir_name(SPDLOG_FILENAME_T("../file.txt")) == SPDLOG_FILENAME_T(".."));
     REQUIRE(dir_name(SPDLOG_FILENAME_T("./file.txt")) == SPDLOG_FILENAME_T("."));
 
-#ifdef _WIN32    
+#ifdef _WIN32
     REQUIRE(dir_name(SPDLOG_FILENAME_T("//dir/file.txt")) == SPDLOG_FILENAME_T("//dir/"));
-#else 
+#else
     REQUIRE(dir_name(SPDLOG_FILENAME_T("//dir/file.txt")) == SPDLOG_FILENAME_T("//dir"));
 #endif
 }

tests/test_custom_callbacks.cpp

@@ -30,5 +30,4 @@ TEST_CASE("custom_callback_logger", "[custom_callback_logger]") {
     REQUIRE(lines[0] == ref_lines[0]);
     REQUIRE(lines[1] == ref_lines[1]);
     REQUIRE(lines[2] == ref_lines[2]);
-    spdlog::drop_all();
 }

tests/test_daily_and_rotation_loggers.cpp

@@ -4,8 +4,8 @@
  */
 #include "includes.h"
 #include "spdlog/sinks/daily_file_sink.h"
-#include "spdlog/sinks/rotating_file_sink.h"
 #include "spdlog/sinks/hourly_file_sink.h"
+#include "spdlog/sinks/rotating_file_sink.h"
 
 using filename_memory_buf_t = spdlog::memory_buf_t;
 
@@ -48,8 +48,7 @@ TEST_CASE("daily_logger with custom calculator", "[daily_logger]") {
     std::tm tm = spdlog::details::os::localtime();
 
     auto w = spdlog::fmt_lib::format(SPDLOG_FILENAME_T("{}{:04d}{:02d}{:02d}"), basename.native(), tm.tm_year + 1900,
-                                     tm.tm_mon + 1,
-                                     tm.tm_mday);
+                                     tm.tm_mon + 1, tm.tm_mday);
 
     auto logger = spdlog::create<sink_type>("logger", basename, 0, 0);
     for (int i = 0; i < 10; ++i) {
@@ -82,26 +81,24 @@ TEST_CASE("rotating_file_sink::calc_filename3", "[rotating_file_sink]") {
 // regex supported only from gcc 4.9 and above
 #if defined(_MSC_VER) || !(__GNUC__ <= 4 && __GNUC_MINOR__ < 9)
 
-#include <regex>
+    #include <regex>
 
 TEST_CASE("daily_file_sink::daily_filename_calculator", "[daily_file_sink]") {
     // daily_YYYY-MM-DD_hh-mm.txt
-     auto filename =
-        spdlog::sinks::daily_filename_calculator::calc_filename(SPDLOG_FILENAME_T("daily.txt"),
-        spdlog::details::os::localtime());
+    auto filename =
+        spdlog::sinks::daily_filename_calculator::calc_filename(SPDLOG_FILENAME_T("daily.txt"), spdlog::details::os::localtime());
     // date regex based on https://www.regular-expressions.info/dates.html
-     std::basic_regex<spdlog::filename_t::value_type> re(
-         SPDLOG_FILENAME_T(R"(^daily_(19|20)\d\d-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])\.txt$)"));
-     
-     std::match_results<spdlog::filename_t::string_type::const_iterator> match;
-     REQUIRE(std::regex_match(filename.native(), match, re));     
-}
+    std::basic_regex<spdlog::filename_t::value_type> re(
+        SPDLOG_FILENAME_T(R"(^daily_(19|20)\d\d-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])\.txt$)"));
 
+    std::match_results<spdlog::filename_t::string_type::const_iterator> match;
+    REQUIRE(std::regex_match(filename.native(), match, re));
+}
 
 TEST_CASE("hourly_file_sink::hourly_filename_calculator", "[hrouly_file_sink]") {
     // daily_YYYY-MM-DD_hh-mm.txt
-    auto filename =
-        spdlog::sinks::hourly_filename_calculator::calc_filename(SPDLOG_FILENAME_T("hourly.txt"), spdlog::details::os::localtime());
+    auto filename = spdlog::sinks::hourly_filename_calculator::calc_filename(SPDLOG_FILENAME_T("hourly.txt"),
+                                                                             spdlog::details::os::localtime());
     // date regex based on https://www.regular-expressions.info/dates.html
     std::basic_regex<spdlog::filename_t::value_type> re(
         SPDLOG_FILENAME_T(R"(^hourly_(19|20)\d\d-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])_\d\d\.txt$)"));

tests/test_errors.cpp

@@ -10,7 +10,7 @@
 #define SIMPLE_LOG "test_logs/simple_log.txt"
 #define SIMPLE_ASYNC_LOG "test_logs/simple_async_log.txt"
 
-class failing_sink : public spdlog::sinks::base_sink<std::mutex> {
+class failing_sink final : public spdlog::sinks::base_sink<std::mutex> {
 protected:
     void sink_it_(const spdlog::details::log_msg &) final { throw std::runtime_error("some error happened during log"); }
 
@@ -21,8 +21,7 @@ struct custom_ex {};
 TEST_CASE("default_error_handler", "[errors]") {
     prepare_logdir();
     spdlog::filename_t filename = SPDLOG_FILENAME_T(SIMPLE_LOG);
-
-    auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("test-error", filename, true);
+    auto logger = spdlog::basic_logger_mt("test-error", filename);
     logger->set_pattern("%v");
     logger->info(SPDLOG_FMT_RUNTIME("Test message {} {}"), 1);
     logger->info("Test message {}", 2);
@@ -35,25 +34,22 @@ TEST_CASE("default_error_handler", "[errors]") {
 TEST_CASE("custom_error_handler", "[errors]") {
     prepare_logdir();
     spdlog::filename_t filename = SPDLOG_FILENAME_T(SIMPLE_LOG);
-    auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("logger", filename, true);
+    auto logger = spdlog::basic_logger_mt("test-error", filename);
     logger->flush_on(spdlog::level::info);
     logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
     logger->info("Good message #1");
-
     REQUIRE_THROWS_AS(logger->info(SPDLOG_FMT_RUNTIME("Bad format msg {} {}"), "xxx"), custom_ex);
     logger->info("Good message #2");
     require_message_count(SIMPLE_LOG, 2);
 }
 
 TEST_CASE("default_error_handler2", "[errors]") {
-    spdlog::drop_all();
-    auto logger = spdlog::create<failing_sink>("failed_logger");
+    auto logger = std::make_shared<spdlog::logger>("failed_logger", std::make_shared<failing_sink>());
     logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
     REQUIRE_THROWS_AS(logger->info("Some message"), custom_ex);
 }
 
 TEST_CASE("flush_error_handler", "[errors]") {
-    spdlog::drop_all();
     auto logger = spdlog::create<failing_sink>("failed_logger");
     logger->set_error_handler([=](const std::string &) { throw custom_ex(); });
     REQUIRE_THROWS_AS(logger->flush(), custom_ex);
@@ -77,7 +73,6 @@ TEST_CASE("async_error_handler", "[errors]") {
         logger->info("Good message #1");
         logger->info(SPDLOG_FMT_RUNTIME("Bad format msg {} {}"), "xxx");
         logger->info("Good message #2");
-        spdlog::drop("logger");  // force logger to drain the queue and shutdown
     }
     spdlog::init_thread_pool(128, 1);
     require_message_count(SIMPLE_ASYNC_LOG, 2);
@@ -98,7 +93,6 @@ TEST_CASE("async_error_handler2", "[errors]") {
             ofs << err_msg;
         });
         logger->info("Hello failure");
-        spdlog::drop("failed_logger");  // force logger to drain the queue and shutdown
     }
 
     spdlog::init_thread_pool(128, 1);

tests/test_file_helper.cpp

@@ -9,7 +9,7 @@
 
 using spdlog::details::file_helper;
 
-static void write_with_helper(file_helper &helper, size_t howmany) {
+static void write_with_helper(const file_helper &helper, size_t howmany) {
     spdlog::memory_buf_t formatted;
     spdlog::fmt_lib::format_to(std::back_inserter(formatted), "{}", std::string(howmany, '1'));
     helper.write(formatted);

tests/test_file_logging.cpp

@@ -12,13 +12,10 @@
 TEST_CASE("simple_file_logger", "[simple_logger]") {
     prepare_logdir();
     spdlog::filename_t filename = SPDLOG_FILENAME_T(SIMPLE_LOG);
-
-    auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("logger", filename);
+    auto logger = spdlog::basic_logger_mt("logger", filename);
     logger->set_pattern("%v");
-
     logger->info("Test message {}", 1);
     logger->info("Test message {}", 2);
-
     logger->flush();
     require_message_count(SIMPLE_LOG, 2);
     using spdlog::details::os::default_eol;
@@ -28,17 +25,14 @@ TEST_CASE("simple_file_logger", "[simple_logger]") {
 TEST_CASE("flush_on", "[flush_on]") {
     prepare_logdir();
     spdlog::filename_t filename = SPDLOG_FILENAME_T(SIMPLE_LOG);
-
-    auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("logger", filename);
+    auto logger = spdlog::basic_logger_mt("test-error", filename);
     logger->set_pattern("%v");
     logger->set_level(spdlog::level::trace);
     logger->flush_on(spdlog::level::info);
     logger->trace("Should not be flushed");
     REQUIRE(count_lines(SIMPLE_LOG) == 0);
-
     logger->info("Test message {}", 1);
     logger->info("Test message {}", 2);
-
     require_message_count(SIMPLE_LOG, 3);
     using spdlog::details::os::default_eol;
     REQUIRE(file_contents(SIMPLE_LOG) == spdlog::fmt_lib::format("Should not be flushed{}Test message 1{}Test message 2{}",
@@ -70,9 +64,6 @@ TEST_CASE("rotating_file_logger2", "[rotating_logger]") {
         for (int i = 0; i < 10; ++i) {
             logger->info("Test message {}", i);
         }
-        // drop causes the logger destructor to be called, which is required so the
-        // next logger can rename the first output file.
-        spdlog::drop(logger->name());
     }
 
     auto logger = spdlog::rotating_logger_mt("logger", basename, max_size, 2, true);

tests/test_macros.cpp

@@ -15,8 +15,7 @@
 TEST_CASE("debug and trace w/o format string", "[macros]") {
     prepare_logdir();
     spdlog::filename_t filename = SPDLOG_FILENAME_T(TEST_FILENAME);
-
-    auto logger = spdlog::create<spdlog::sinks::basic_file_sink_mt>("logger", filename);
+    auto logger = spdlog::basic_logger_mt("logger", filename);
     logger->set_pattern("%v");
     logger->set_level(spdlog::level::trace);
 
@@ -28,8 +27,8 @@ TEST_CASE("debug and trace w/o format string", "[macros]") {
     REQUIRE(ends_with(file_contents(TEST_FILENAME), spdlog::fmt_lib::format("Test message 2{}", default_eol)));
     REQUIRE(count_lines(TEST_FILENAME) == 1);
 
-    auto orig_default_logger = spdlog::default_logger();
-    spdlog::set_default_logger(logger);
+    auto orig_global_logger = spdlog::global_logger();
+    spdlog::set_global_logger(logger);
 
     SPDLOG_TRACE("Test message 3");
     SPDLOG_DEBUG("Test message {}", 4);
@@ -37,7 +36,7 @@ TEST_CASE("debug and trace w/o format string", "[macros]") {
 
     require_message_count(TEST_FILENAME, 2);
     REQUIRE(ends_with(file_contents(TEST_FILENAME), spdlog::fmt_lib::format("Test message 4{}", default_eol)));
-    spdlog::set_default_logger(std::move(orig_default_logger));
+    spdlog::set_global_logger(std::move(orig_global_logger));
 }
 
 TEST_CASE("disable param evaluation", "[macros]") {
@@ -45,7 +44,7 @@ TEST_CASE("disable param evaluation", "[macros]") {
 }
 
 TEST_CASE("pass logger pointer", "[macros]") {
-    auto logger = spdlog::create<spdlog::sinks::null_sink_mt>("refmacro");
+    auto logger = spdlog::null_logger_mt("refmacro");
     auto &ref = *logger;
     SPDLOG_LOGGER_TRACE(&ref, "Test message 1");
     SPDLOG_LOGGER_DEBUG(&ref, "Test message 2");

tests/test_misc.cpp

@@ -73,18 +73,6 @@ TEST_CASE("to_level_enum", "[convert_to_level_enum]") {
     REQUIRE(spdlog::level_from_str("null") == spdlog::level::off);
 }
 
-TEST_CASE("periodic flush", "[periodic_flush]") {
-    using spdlog::sinks::test_sink_mt;
-    auto logger = spdlog::create<test_sink_mt>("periodic_flush");
-    auto test_sink = std::static_pointer_cast<test_sink_mt>(logger->sinks()[0]);
-
-    spdlog::flush_every(std::chrono::seconds(1));
-    std::this_thread::sleep_for(std::chrono::milliseconds(1250));
-    REQUIRE(test_sink->flush_counter() == 1);
-    spdlog::flush_every(std::chrono::seconds(0));
-    spdlog::drop_all();
-}
-
 TEST_CASE("clone-logger", "[clone]") {
     using spdlog::sinks::test_sink_mt;
     auto test_sink = std::make_shared<test_sink_mt>();
@@ -102,8 +90,6 @@ TEST_CASE("clone-logger", "[clone]") {
     REQUIRE(test_sink->lines().size() == 2);
     REQUIRE(test_sink->lines()[0] == "Some message 1");
     REQUIRE(test_sink->lines()[1] == "Some message 2");
-
-    spdlog::drop_all();
 }
 
 TEST_CASE("clone async", "[clone]") {
@@ -127,18 +113,16 @@ TEST_CASE("clone async", "[clone]") {
     REQUIRE(test_sink->lines().size() == 2);
     REQUIRE(test_sink->lines()[0] == "Some message 1");
     REQUIRE(test_sink->lines()[1] == "Some message 2");
-
-    spdlog::drop_all();
 }
 
-TEST_CASE("default logger API", "[default logger]") {
+TEST_CASE("global logger API", "[global logger]") {
     std::ostringstream oss;
     auto oss_sink = std::make_shared<spdlog::sinks::ostream_sink_mt>(oss);
 
-    spdlog::set_default_logger(std::make_shared<spdlog::logger>("oss", oss_sink));
+    spdlog::set_global_logger(std::make_shared<spdlog::logger>("oss", oss_sink));
     spdlog::set_pattern("*** %v");
 
-    spdlog::default_logger()->set_level(spdlog::level::trace);
+    spdlog::global_logger()->set_level(spdlog::level::trace);
     spdlog::trace("hello trace");
     REQUIRE(oss.str() == "*** hello trace" + std::string(spdlog::details::os::default_eol));
 
@@ -162,7 +146,6 @@ TEST_CASE("default logger API", "[default logger]") {
     spdlog::set_level(spdlog::level::info);
     spdlog::debug("should not be logged");
     REQUIRE(oss.str().empty());
-    spdlog::drop_all();
     spdlog::set_pattern("%v");
 }
 

tests/test_pattern_formatter.cpp

@@ -292,7 +292,7 @@ TEST_CASE("clone-formatter-2", "[pattern_formatter]") {
     REQUIRE(to_string_view(formatted_1) == to_string_view(formatted_2));
 }
 
-class custom_test_flag : public spdlog::custom_flag_formatter {
+class custom_test_flag final : public spdlog::custom_flag_formatter {
 public:
     explicit custom_test_flag(std::string txt)
         : some_txt{std::move(txt)} {}

tests/test_registry.cpp

@@ -1,129 +0,0 @@
-#include <string_view>
-
-#include "includes.h"
-#include "spdlog/sinks/daily_file_sink.h"
-#include "spdlog/sinks/rotating_file_sink.h"
-
-static const char *const tested_logger_name = "null_logger";
-static const char *const tested_logger_name2 = "null_logger2";
-
-TEST_CASE("register_drop", "[registry]") {
-    spdlog::drop_all();
-    spdlog::create<spdlog::sinks::null_sink_mt>(tested_logger_name);
-    REQUIRE(spdlog::get(tested_logger_name) != nullptr);
-    // Throw if registering existing name
-    REQUIRE_THROWS_AS(spdlog::create<spdlog::sinks::null_sink_mt>(tested_logger_name), spdlog::spdlog_ex);
-}
-
-TEST_CASE("explicit register", "[registry]") {
-    spdlog::drop_all();
-    auto logger = std::make_shared<spdlog::logger>(tested_logger_name, std::make_shared<spdlog::sinks::null_sink_st>());
-    spdlog::register_logger(logger);
-    REQUIRE(spdlog::get(tested_logger_name) != nullptr);
-    // Throw if registering existing name
-    REQUIRE_THROWS_AS(spdlog::create<spdlog::sinks::null_sink_mt>(tested_logger_name), spdlog::spdlog_ex);
-}
-
-TEST_CASE("apply_all", "[registry]") {
-    spdlog::drop_all();
-    auto logger = std::make_shared<spdlog::logger>(tested_logger_name, std::make_shared<spdlog::sinks::null_sink_st>());
-    spdlog::register_logger(logger);
-    auto logger2 = std::make_shared<spdlog::logger>(tested_logger_name2, std::make_shared<spdlog::sinks::null_sink_st>());
-    spdlog::register_logger(logger2);
-
-    int counter = 0;
-    spdlog::apply_all([&counter](std::shared_ptr<spdlog::logger>) { counter++; });
-    REQUIRE(counter == 2);
-
-    counter = 0;
-    spdlog::drop(tested_logger_name2);
-    spdlog::apply_all([&counter](std::shared_ptr<spdlog::logger> l) {
-        REQUIRE(l->name() == tested_logger_name);
-        counter++;
-    });
-    REQUIRE(counter == 1);
-}
-
-TEST_CASE("drop", "[registry]") {
-    spdlog::drop_all();
-    spdlog::create<spdlog::sinks::null_sink_mt>(tested_logger_name);
-    spdlog::drop(tested_logger_name);
-    REQUIRE_FALSE(spdlog::get(tested_logger_name));
-}
-
-TEST_CASE("drop-default", "[registry]") {
-    spdlog::set_default_logger(spdlog::null_logger_st(tested_logger_name));
-    spdlog::drop(tested_logger_name);
-    REQUIRE_FALSE(spdlog::default_logger());
-    REQUIRE_FALSE(spdlog::get(tested_logger_name));
-}
-
-TEST_CASE("drop_all", "[registry]") {
-    spdlog::drop_all();
-    spdlog::create<spdlog::sinks::null_sink_mt>(tested_logger_name);
-    spdlog::create<spdlog::sinks::null_sink_mt>(tested_logger_name2);
-    spdlog::drop_all();
-    REQUIRE_FALSE(spdlog::get(tested_logger_name));
-    REQUIRE_FALSE(spdlog::get(tested_logger_name2));
-    REQUIRE_FALSE(spdlog::default_logger());
-}
-
-TEST_CASE("drop non existing", "[registry]") {
-    spdlog::drop_all();
-    spdlog::create<spdlog::sinks::null_sink_mt>(tested_logger_name);
-    spdlog::drop("some_name");
-    REQUIRE_FALSE(spdlog::get("some_name"));
-    REQUIRE(spdlog::get(tested_logger_name));
-    spdlog::drop_all();
-}
-
-TEST_CASE("default logger", "[registry]") {
-    spdlog::drop_all();
-    spdlog::set_default_logger(spdlog::null_logger_st(tested_logger_name));
-    REQUIRE(spdlog::get(tested_logger_name) == spdlog::default_logger());
-    spdlog::drop_all();
-}
-
-TEST_CASE("set_default_logger(nullptr)", "[registry]") {
-    spdlog::set_default_logger(nullptr);
-    REQUIRE_FALSE(spdlog::default_logger());
-}
-
-TEST_CASE("disable automatic registration", "[registry]") {
-    // set some global parameters
-    spdlog::level level = spdlog::level::warn;
-    spdlog::set_level(level);
-    // but disable automatic registration
-    spdlog::set_automatic_registration(false);
-    auto logger1 = spdlog::create<spdlog::sinks::daily_file_sink_st>(tested_logger_name, SPDLOG_FILENAME_T("filename"), 11, 59);
-    auto logger2 = spdlog::create_async<spdlog::sinks::stdout_color_sink_mt>(tested_logger_name2);
-    // loggers should not be part of the registry
-    REQUIRE_FALSE(spdlog::get(tested_logger_name));
-    REQUIRE_FALSE(spdlog::get(tested_logger_name2));
-    // but make sure they are still initialized according to global defaults
-    REQUIRE(logger1->log_level() == level);
-    REQUIRE(logger2->log_level() == level);
-    spdlog::set_level(spdlog::level::info);
-    spdlog::set_automatic_registration(true);
-}
-
-TEST_CASE("get(const char* name)", "[registry]") {
-    spdlog::drop_all();
-    spdlog::create<spdlog::sinks::null_sink_mt>(tested_logger_name);
-    REQUIRE(spdlog::get(tested_logger_name) != nullptr);
-    spdlog::drop_all();
-}
-
-TEST_CASE("get(std::string_view name)", "[registry]") {
-    spdlog::drop_all();
-    spdlog::create<spdlog::sinks::null_sink_mt>(tested_logger_name);
-    REQUIRE(spdlog::get(std::string_view(tested_logger_name)) != nullptr);
-    spdlog::drop_all();
-}
-
-TEST_CASE("get(std::string name)", "[registry]") {
-    spdlog::drop_all();
-    spdlog::create<spdlog::sinks::null_sink_mt>(tested_logger_name);
-    REQUIRE(spdlog::get(std::string(tested_logger_name)) != nullptr);
-    spdlog::drop_all();
-}

tests/test_stdout_api.cpp

@@ -16,7 +16,6 @@ TEST_CASE("stdout_st", "[stdout]") {
     l->warn("Test stdout_st");
     l->error("Test stdout_st");
     l->critical("Test stdout_st");
-    spdlog::drop_all();
 }
 
 TEST_CASE("stderr_st", "[stderr]") {
@@ -28,7 +27,6 @@ TEST_CASE("stderr_st", "[stderr]") {
     l->warn("Test stderr_st");
     l->error("Test stderr_st");
     l->critical("Test stderr_st");
-    spdlog::drop_all();
 }
 
 TEST_CASE("stdout_mt", "[stdout]") {
@@ -54,7 +52,6 @@ TEST_CASE("stdout_color_st", "[stdout]") {
     l->warn("Test stdout_color_st");
     l->error("Test stdout_color_st");
     l->critical("Test stdout_color_st");
-    spdlog::drop_all();
 }
 
 TEST_CASE("stdout_color_mt", "[stdout]") {
@@ -67,7 +64,6 @@ TEST_CASE("stdout_color_mt", "[stdout]") {
     l->warn("Test stdout_color_mt");
     l->error("Test stdout_color_mt");
     l->critical("Test stdout_color_mt");
-    spdlog::drop_all();
 }
 
 TEST_CASE("stderr_color_st", "[stderr]") {
@@ -75,7 +71,6 @@ TEST_CASE("stderr_color_st", "[stderr]") {
     l->set_pattern("%+");
     l->set_level(spdlog::level::debug);
     l->debug("Test stderr_color_st");
-    spdlog::drop_all();
 }
 
 TEST_CASE("stderr_color_mt", "[stderr]") {
@@ -85,5 +80,4 @@ TEST_CASE("stderr_color_mt", "[stderr]") {
     l->warn("Test stderr_color_mt");
     l->error("Test stderr_color_mt");
     l->critical("Test stderr_color_mt");
-    spdlog::drop_all();
 }

tests/test_time_point.cpp

@@ -31,5 +31,4 @@ TEST_CASE("time_point1", "[time_point log_msg]") {
     REQUIRE(lines[4] == lines[5]);
     REQUIRE(lines[6] == lines[7]);
     REQUIRE(lines[8] != lines[9]);
-    spdlog::drop_all();
 }

tests/utils.cpp

@@ -8,7 +8,6 @@
 #endif
 
 void prepare_logdir() {
-    spdlog::drop_all();
 #ifdef _WIN32
     system("rmdir /S /Q test_logs");
 #else

tests/utils.h

@@ -1,8 +1,8 @@
 #pragma once
 
 #include <cstddef>
-#include <string>
 #include <filesystem>
+#include <string>
 
 std::size_t count_files(const std::string &folder);
 
@@ -10,7 +10,7 @@ void prepare_logdir();
 
 std::string file_contents(const std::string &filename);
 
-//std::size_t count_lines(const std::string &filename);
+// std::size_t count_lines(const std::string &filename);
 std::size_t count_lines(const std::filesystem::path &filename);
 
 void require_message_count(const std::filesystem::path &filename, const std::size_t messages);