From 2d59006262d6e45f41ee325af78433475884dca4 Mon Sep 17 00:00:00 2001
From: Emma Miler <emma.pi@protonmail.com>
Date: Fri, 2 Dec 2022 23:00:33 +0100
Subject: Move include directory (#337)

* Move include directory to shared folder

This commit moves the `include` directory from the NorthstarDLL project folder to the solution folder. This allows both the DLL and Launcher project to target it properly.

* Fix filters

* Update memalloc.h

* Fix filters

* Update NorthstarLauncher.vcxproj

* Remove stuff from other PR

* Update NorthstarLauncher.vcxproj

* Update NorthstarLauncher.vcxproj

* Update NorthstarDLL.vcxproj
---
 include/spdlog/sinks/dup_filter_sink.h | 90 ++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 include/spdlog/sinks/dup_filter_sink.h

(limited to 'include/spdlog/sinks/dup_filter_sink.h')

diff --git a/include/spdlog/sinks/dup_filter_sink.h b/include/spdlog/sinks/dup_filter_sink.h
new file mode 100644
index 00000000..c9a08d68
--- /dev/null
+++ b/include/spdlog/sinks/dup_filter_sink.h
@@ -0,0 +1,90 @@
+// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+
+#pragma once
+
+#include "dist_sink.h"
+#include <spdlog/details/null_mutex.h>
+#include <spdlog/details/log_msg.h>
+
+#include <mutex>
+#include <string>
+#include <chrono>
+
+// Duplicate message removal sink.
+// Skip the message if previous one is identical and less than "max_skip_duration" have passed
+//
+// Example:
+//
+//     #include <spdlog/sinks/dup_filter_sink.h>
+//
+//     int main() {
+//         auto dup_filter = std::make_shared<dup_filter_sink_st>(std::chrono::seconds(5));
+//         dup_filter->add_sink(std::make_shared<stdout_color_sink_mt>());
+//         spdlog::logger l("logger", dup_filter);
+//         l.info("Hello");
+//         l.info("Hello");
+//         l.info("Hello");
+//         l.info("Different Hello");
+//     }
+//
+// Will produce:
+//       [2019-06-25 17:50:56.511] [logger] [info] Hello
+//       [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>
+class dup_filter_sink : public dist_sink<Mutex>
+{
+public:
+    template<class Rep, class Period>
+    explicit dup_filter_sink(std::chrono::duration<Rep, Period> max_skip_duration)
+        : max_skip_duration_{max_skip_duration}
+    {}
+
+protected:
+    std::chrono::microseconds max_skip_duration_;
+    log_clock::time_point last_msg_time_;
+    std::string last_msg_payload_;
+    size_t skip_counter_ = 0;
+
+    void sink_it_(const details::log_msg &msg) override
+    {
+        bool filtered = filter_(msg);
+        if (!filtered)
+        {
+            skip_counter_ += 1;
+            return;
+        }
+
+        // log the "skipped.." message
+        if (skip_counter_ > 0)
+        {
+            memory_buf_t buf;
+            fmt::format_to(buf, "Skipped {} duplicate messages..", skip_counter_);
+            details::log_msg skipped_msg{msg.logger_name, level::info, string_view_t{buf.data(), buf.size()}};
+            dist_sink<Mutex>::sink_it_(skipped_msg);
+        }
+
+        // log current message
+        dist_sink<Mutex>::sink_it_(msg);
+        last_msg_time_ = msg.time;
+        skip_counter_ = 0;
+        last_msg_payload_.assign(msg.payload.data(), msg.payload.data() + msg.payload.size());
+    }
+
+    // return whether the log msg should be displayed (true) or skipped (false)
+    bool filter_(const details::log_msg &msg)
+    {
+        auto filter_duration = msg.time - last_msg_time_;
+        return (filter_duration > max_skip_duration_) || (msg.payload != last_msg_payload_);
+    }
+};
+
+using dup_filter_sink_mt = dup_filter_sink<std::mutex>;
+using dup_filter_sink_st = dup_filter_sink<details::null_mutex>;
+
+} // namespace sinks
+} // namespace spdlog
-- 
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