1 files changed, 92 insertions, 0 deletions
diff --git a/src/zencore/logging/tracesink.cpp b/src/zencore/logging/tracesink.cpp
new file mode 100644
index 000000000..8a6f4e40c
--- /dev/null
+++ b/src/zencore/logging/tracesink.cpp
@@ -0,0 +1,92 @@
+
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include <zencore/logbase.h>
+#include <zencore/logging/tracesink.h>
+#include <zencore/string.h>
+#include <zencore/timer.h>
+#include <zencore/trace.h>
+
+#if ZEN_WITH_TRACE
+
+namespace zen::logging {
+
+UE_TRACE_CHANNEL_DEFINE(LogChannel)
+
+UE_TRACE_EVENT_BEGIN(Logging, LogCategory, NoSync | Important)
+	UE_TRACE_EVENT_FIELD(const void*, CategoryPointer)
+	UE_TRACE_EVENT_FIELD(uint8_t, DefaultVerbosity)
+	UE_TRACE_EVENT_FIELD(UE::Trace::AnsiString, Name)
+UE_TRACE_EVENT_END()
+
+UE_TRACE_EVENT_BEGIN(Logging, LogMessageSpec, NoSync | Important)
+	UE_TRACE_EVENT_FIELD(const void*, LogPoint)
+	UE_TRACE_EVENT_FIELD(const void*, CategoryPointer)
+	UE_TRACE_EVENT_FIELD(int32_t, Line)
+	UE_TRACE_EVENT_FIELD(uint8_t, Verbosity)
+	UE_TRACE_EVENT_FIELD(UE::Trace::AnsiString, FileName)
+	UE_TRACE_EVENT_FIELD(UE::Trace::AnsiString, FormatString)
+UE_TRACE_EVENT_END()
+
+UE_TRACE_EVENT_BEGIN(Logging, LogMessage, NoSync)
+	UE_TRACE_EVENT_FIELD(const void*, LogPoint)
+	UE_TRACE_EVENT_FIELD(uint64_t, Cycle)
+	UE_TRACE_EVENT_FIELD(uint8_t[], FormatArgs)
+UE_TRACE_EVENT_END()
+
+void
+TraceLogCategory(const logging::Logger* Category, const char* Name, logging::LogLevel DefaultVerbosity)
+{
+	uint16_t NameLen = uint16_t(strlen(Name));
+	UE_TRACE_LOG(Logging, LogCategory, LogChannel, NameLen * sizeof(ANSICHAR))
+		<< LogCategory.CategoryPointer(Category) << LogCategory.DefaultVerbosity(uint8_t(DefaultVerbosity))
+		<< LogCategory.Name(Name, NameLen);
+}
+
+void
+TraceLogMessageSpec(const void*			   LogPoint,
+					const logging::Logger* Category,
+					logging::LogLevel	   Verbosity,
+					const std::string_view File,
+					int32_t				   Line,
+					const std::string_view Format)
+{
+	uint16_t FileNameLen	 = uint16_t(File.size());
+	uint16_t FormatStringLen = uint16_t(Format.size());
+	uint32_t DataSize		 = (FileNameLen * sizeof(ANSICHAR)) + (FormatStringLen * sizeof(ANSICHAR));
+	UE_TRACE_LOG(Logging, LogMessageSpec, LogChannel, DataSize)
+		<< LogMessageSpec.LogPoint(LogPoint) << LogMessageSpec.CategoryPointer(Category) << LogMessageSpec.Line(Line)
+		<< LogMessageSpec.Verbosity(uint8_t(Verbosity)) << LogMessageSpec.FileName(File.data(), FileNameLen)
+		<< LogMessageSpec.FormatString(Format.data(), FormatStringLen);
+}
+
+void
+TraceLogMessageInternal(const void* LogPoint, int32_t EncodedFormatArgsSize, const uint8_t* EncodedFormatArgs)
+{
+	UE_TRACE_LOG(Logging, LogMessage, LogChannel) << LogMessage.LogPoint(LogPoint) << LogMessage.Cycle(GetHifreqTimerValue())
+												  << LogMessage.FormatArgs(EncodedFormatArgs, EncodedFormatArgsSize);
+}
+
+//////////////////////////////////////////////////////////////////////////
+
+void
+TraceSink::Log(const LogMessage& Msg)
+{
+	ZEN_UNUSED(Msg);
+}
+
+void
+TraceSink::Flush()
+{
+}
+
+void
+TraceSink::SetFormatter(std::unique_ptr<Formatter> /*InFormatter*/)
+{
+	// This sink doesn't use a formatter since it just forwards the raw format
+	// args to the trace system
+}
+
+}  // namespace zen::logging
+
+#endif