Removed formatter_ member from the sink interface

include/spdlog/sinks/ansicolor_sink-inl.h

@@ -16,6 +16,7 @@ template<typename ConsoleMutex>
 SPDLOG_INLINE ansicolor_sink<ConsoleMutex>::ansicolor_sink(FILE *target_file, color_mode mode)
     : target_file_(target_file)
     , mutex_(ConsoleMutex::mutex())
+    , formatter_(details::make_unique<spdlog::pattern_formatter>())
 
 {
     set_color_mode(mode);

include/spdlog/sinks/ansicolor_sink.h

@@ -79,6 +79,7 @@ private:
     FILE *target_file_;
     mutex_t &mutex_;
     bool should_do_colors_;
+    std::unique_ptr<spdlog::formatter> formatter_;
     std::unordered_map<level::level_enum, string_view_t, level::level_hasher> colors_;
     void print_ccode_(const string_view_t &color_code);
     void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end);

include/spdlog/sinks/base_sink-inl.h

@@ -10,6 +10,18 @@
 #include "spdlog/common.h"
 #include "spdlog/details/pattern_formatter.h"
 
+#include <memory>
+
+template<typename Mutex>
+SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::base_sink()
+    : formatter_{details::make_unique<spdlog::pattern_formatter>()}
+{}
+
+template<typename Mutex>
+SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::base_sink(std::unique_ptr<spdlog::formatter> formatter)
+    : formatter_{std::move(formatter)}
+{}
+
 template<typename Mutex>
 void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::log(const details::log_msg &msg)
 {

include/spdlog/sinks/base_sink.h

@@ -19,7 +19,8 @@ template<typename Mutex>
 class base_sink : public sink
 {
 public:
-    base_sink() = default;
+    base_sink();
+    explicit base_sink(std::unique_ptr<spdlog::formatter> formatter);
     base_sink(const base_sink &) = delete;
     base_sink &operator=(const base_sink &) = delete;
     void log(const details::log_msg &msg) final;
@@ -28,11 +29,14 @@ public:
     void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) final;
 
 protected:
+    // sink formatter
+    std::unique_ptr<spdlog::formatter> formatter_;
+    Mutex mutex_;
+
     virtual void sink_it_(const details::log_msg &msg) = 0;
     virtual void flush_() = 0;
     virtual void set_pattern_(const std::string &pattern);
     virtual void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter);
-    Mutex mutex_;
 };
 } // namespace sinks
 } // namespace spdlog

include/spdlog/sinks/basic_file_sink-inl.h

@@ -29,7 +29,7 @@ template<typename Mutex>
 SPDLOG_INLINE void basic_file_sink<Mutex>::sink_it_(const details::log_msg &msg)
 {
     fmt::memory_buffer formatted;
-    sink::formatter_->format(msg, formatted);
+    base_sink<Mutex>::formatter_->format(msg, formatted);
     file_helper_.write(formatted);
 }
 

include/spdlog/sinks/daily_file_sink.h

@@ -74,7 +74,7 @@ protected:
             rotation_tp_ = next_rotation_tp_();
         }
         fmt::memory_buffer formatted;
-        sink::formatter_->format(msg, formatted);
+        base_sink<Mutex>::formatter_->format(msg, formatted);
         file_helper_.write(formatted);
     }
 

include/spdlog/sinks/dup_filter_sink.h

@@ -33,8 +33,6 @@
 //       [2019-06-25 17:50:56.512] [logger] [info] Skipped 3 duplicate messages..
 //       [2019-06-25 17:50:56.512] [logger] [info] Different Hello
 
-
-
 namespace spdlog {
 namespace sinks {
 template<typename Mutex>

include/spdlog/sinks/msvc_sink.h

@@ -29,7 +29,7 @@ protected:
     {
 
         fmt::memory_buffer formatted;
-        sink::formatter_->format(msg, formatted);
+        base_sink<Mutex>::formatter_->format(msg, formatted);
         OutputDebugStringA(fmt::to_string(formatted).c_str());
     }
 

include/spdlog/sinks/ostream_sink.h

@@ -26,7 +26,7 @@ protected:
     void sink_it_(const details::log_msg &msg) override
     {
         fmt::memory_buffer formatted;
-        sink::formatter_->format(msg, formatted);
+        base_sink<Mutex>::formatter_->format(msg, formatted);
         ostream_.write(formatted.data(), static_cast<std::streamsize>(formatted.size()));
         if (force_flush_)
         {

include/spdlog/sinks/rotating_file_sink-inl.h

@@ -67,7 +67,7 @@ template<typename Mutex>
 SPDLOG_INLINE void rotating_file_sink<Mutex>::sink_it_(const details::log_msg &msg)
 {
     fmt::memory_buffer formatted;
-    sink::formatter_->format(msg, formatted);
+    base_sink<Mutex>::formatter_->format(msg, formatted);
     current_size_ += formatted.size();
     if (current_size_ > max_size_)
     {

include/spdlog/sinks/sink-inl.h

@@ -10,14 +10,6 @@
 #include "spdlog/common.h"
 #include "spdlog/details/pattern_formatter.h"
 
-SPDLOG_INLINE spdlog::sinks::sink::sink()
-    : formatter_{details::make_unique<spdlog::pattern_formatter>()}
-{}
-
-SPDLOG_INLINE spdlog::sinks::sink::sink(std::unique_ptr<spdlog::formatter> formatter)
-    : formatter_{std::move(formatter)}
-{}
-
 SPDLOG_INLINE bool spdlog::sinks::sink::should_log(spdlog::level::level_enum msg_level) const
 {
     return msg_level >= level_.load(std::memory_order_relaxed);
@@ -25,7 +17,7 @@ SPDLOG_INLINE bool spdlog::sinks::sink::should_log(spdlog::level::level_enum msg
 
 SPDLOG_INLINE void spdlog::sinks::sink::set_level(level::level_enum log_level)
 {
-    level_.store(log_level);
+    level_.store(log_level, std::memory_order_relaxed);
 }
 
 SPDLOG_INLINE spdlog::level::level_enum spdlog::sinks::sink::level() const

include/spdlog/sinks/sink.h

@@ -12,27 +12,19 @@ namespace sinks {
 class sink
 {
 public:
-    sink();
-
-    explicit sink(std::unique_ptr<spdlog::formatter> formatter);
     virtual ~sink() = default;
     virtual void log(const details::log_msg &msg) = 0;
     virtual void flush() = 0;
     virtual void set_pattern(const std::string &pattern) = 0;
     virtual void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) = 0;
 
-    bool should_log(level::level_enum msg_level) const;
-
     void set_level(level::level_enum log_level);
-
     level::level_enum level() const;
+    bool should_log(level::level_enum msg_level) const;
 
 protected:
     // sink log level - default is all
     level_t level_{level::trace};
-
-    // sink formatter
-    std::unique_ptr<spdlog::formatter> formatter_;
 };
 
 } // namespace sinks

include/spdlog/sinks/stdout_sinks-inl.h

@@ -18,6 +18,7 @@ template<typename ConsoleMutex>
 SPDLOG_INLINE stdout_sink_base<ConsoleMutex>::stdout_sink_base(FILE *file)
     : mutex_(ConsoleMutex::mutex())
     , file_(file)
+    , formatter_(details::make_unique<spdlog::pattern_formatter>())
 {}
 
 template<typename ConsoleMutex>

include/spdlog/sinks/stdout_sinks.h

@@ -28,9 +28,10 @@ public:
 
     void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override;
 
-private:
+protected:
     mutex_t &mutex_;
     FILE *file_;
+    std::unique_ptr<spdlog::formatter> formatter_;
 };
 
 template<typename ConsoleMutex>

include/spdlog/sinks/syslog_sink.h

@@ -52,7 +52,7 @@ protected:
         if (enable_formatting_)
         {
             fmt::memory_buffer formatted;
-            sink::formatter_->format(msg, formatted);
+            base_sink<Mutex>::formatter_->format(msg, formatted);
             payload = string_view_t(formatted.data(), formatted.size());
         }
         else

include/spdlog/sinks/wincolor_sink-inl.h

@@ -8,14 +8,17 @@
 #endif
 
 #include "spdlog/common.h"
+#include "spdlog/details/pattern_formatter.h"
 
 namespace spdlog {
 namespace sinks {
 
 template<typename ConsoleMutex>
 SPDLOG_INLINE wincolor_sink<ConsoleMutex>::wincolor_sink(HANDLE out_handle, color_mode mode)
-    : out_handle_(out_handle)
+    :
+    , out_handle_(out_handle)
     , mutex_(ConsoleMutex::mutex())
+    , formatter_(details::make_unique<spdlog::pattern_formatter>())
 {
     set_color_mode(mode);
     colors_[level::trace] = WHITE;

include/spdlog/sinks/wincolor_sink.h

@@ -45,11 +45,12 @@ public:
     void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override final;
     void set_color_mode(color_mode mode);
 
-private:
+protected:
     using mutex_t = typename ConsoleMutex::mutex_t;
     HANDLE out_handle_;
     mutex_t &mutex_;
     bool should_do_colors_;
+    std::unique_ptr<spdlog::formatter> formatter_;
     std::unordered_map<level::level_enum, WORD, level::level_hasher> colors_;
 
     // set color and return the orig console attributes (for resetting later)

tests/test_dup_filter.cpp

@@ -5,7 +5,6 @@
 using namespace spdlog;
 using namespace spdlog::sinks;
 
-
 TEST_CASE("dup_filter_test1", "[dup_filter_sink]")
 {
     dup_filter_sink_st dup_sink{std::chrono::seconds{5}};
@@ -74,4 +73,3 @@ TEST_CASE("dup_filter_test5", "[dup_filter_sink]")
 
     REQUIRE(test_sink->msg_counter() == 3); // skip 2 messages but log the "skipped.." message before message2
 }
-