From 868ba6279a20e4d1412c2d576c67400167de6694 Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Tue, 30 Apr 2019 16:12:35 +0500
Subject: Integrated Optick profiler

---
 external/optick/optick_message.cpp | 172 +++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 external/optick/optick_message.cpp

(limited to 'external/optick/optick_message.cpp')

diff --git a/external/optick/optick_message.cpp b/external/optick/optick_message.cpp
new file mode 100644
index 0000000..b421d50
--- /dev/null
+++ b/external/optick/optick_message.cpp
@@ -0,0 +1,172 @@
+#include "optick.config.h"
+
+#if USE_OPTICK
+#include "optick_common.h"
+#include "optick_core.h"
+#include "optick_message.h"
+#include "optick_server.h"
+
+namespace Optick
+{
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+struct MessageHeader
+{
+	uint32 mark;
+	uint32 length;
+
+	static const uint32 MESSAGE_MARK = 0xB50FB50F;
+
+	bool IsValid() const { return mark == MESSAGE_MARK; }
+
+	MessageHeader() : mark(0), length(0) {}
+};
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+class MessageFactory
+{
+	typedef IMessage* (*MessageCreateFunction)(InputDataStream& str);
+	MessageCreateFunction factory[IMessage::COUNT];
+
+	template<class T>
+	void RegisterMessage()
+	{
+		factory[T::GetMessageType()] = T::Create;
+	}
+
+	MessageFactory()
+	{
+		memset(&factory[0], 0, sizeof(MessageCreateFunction));
+
+		RegisterMessage<StartMessage>();
+		RegisterMessage<StopMessage>();
+		RegisterMessage<CancelMessage>();
+		RegisterMessage<TurnSamplingMessage>();
+
+		for (uint32 msg = 0; msg < IMessage::COUNT; ++msg)
+		{
+			OPTICK_ASSERT(factory[msg] != nullptr, "Message is not registered to factory");
+		}
+	}
+public:
+	static MessageFactory& Get()
+	{
+		static MessageFactory instance;
+		return instance;
+	}
+
+	IMessage* Create(InputDataStream& str)
+	{
+		MessageHeader header;
+		str.Read(header);
+
+		size_t length = str.Length();
+
+		uint16 applicationID = 0;
+		uint16 messageType = IMessage::COUNT;
+
+		str >> applicationID;
+		str >> messageType;
+
+		OPTICK_VERIFY( 0 <= messageType && messageType < IMessage::COUNT && factory[messageType] != nullptr, "Unknown message type!", return nullptr )
+
+		IMessage* result = factory[messageType](str);
+
+		if (header.length + str.Length() != length)
+		{
+			OPTICK_FAILED("Message Stream is corrupted! Invalid Protocol?")
+			return nullptr;
+		}
+
+		return result;
+	}
+};
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+OutputDataStream& operator<<(OutputDataStream& os, const DataResponse& val)
+{
+	return os << val.version << (uint32)val.type;
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+IMessage* IMessage::Create(InputDataStream& str)
+{
+	MessageHeader header;
+
+	while (str.Peek(header))
+	{
+		if (header.IsValid())
+		{
+			if (str.Length() < header.length + sizeof(MessageHeader))
+				break; // Not enough data yet
+
+			return MessageFactory::Get().Create(str);
+		} 
+		else
+		{
+			// Some garbage in the stream?
+			str.Skip(1);
+		}
+	}
+
+	return nullptr;
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+void StartMessage::Apply()
+{
+	Core& core = Core::Get();
+	core.SetSettings(settings);
+	core.StartCapture();
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+IMessage* StartMessage::Create(InputDataStream& stream)
+{
+	StartMessage* msg = Memory::New<StartMessage>();
+	CaptureSettings& settings = msg->settings;
+	stream	>> settings.mode
+			>> settings.categoryMask
+			>> settings.samplingFrequency
+			>> settings.frameLimit
+			>> settings.timeLimitUs
+			>> settings.spikeLimitUs
+			>> settings.memoryLimitMb;
+	string password;
+	stream >> settings.password;
+	settings.password = base64_decode(password);
+	return msg;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+void StopMessage::Apply()
+{
+	Core::Get().DumpCapture();
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+IMessage* StopMessage::Create(InputDataStream&)
+{
+	return Memory::New<StopMessage>();
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+void CancelMessage::Apply()
+{
+	Core::Get().CancelCapture();
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+IMessage* CancelMessage::Create(InputDataStream&)
+{
+	return Memory::New<CancelMessage>();
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+IMessage* TurnSamplingMessage::Create( InputDataStream& stream )
+{
+	TurnSamplingMessage* msg = Memory::New<TurnSamplingMessage>();
+	stream >> msg->index;
+	stream >> msg->isSampling;
+	return msg;
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+void TurnSamplingMessage::Apply()
+{
+	// Backward compatibility
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+}
+
+#endif //USE_OPTICK
\ No newline at end of file
-- 
cgit v1.2.3