LosaDev source snapshot 2019

extra/LS_Service/LS_network/cDoubleOV.cpp

@@ -0,0 +1,132 @@
+#include "StdAfx.h"
+#include "cSystem.h"
+#include "cDoubleOV.h"
+#include "../include/cSingleton.h"
+
+enum WSASendingStates
+{
+	WSA_SENDING = 1,
+	WSA_WAITING
+};
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+cDoubleOV::cDoubleOV(void) : m_iterator(0), m_sending(WSA_WAITING)
+{
+	Init();
+}
+
+cDoubleOV::~cDoubleOV(void)
+{
+	Destroy();
+}
+
+void cDoubleOV::Init()
+{
+	uint32 length = cSingleton<cSystem>::GetInstance()->GetPacket() * 4;
+	m_iocpOV[0].Alloc( length );
+	m_iocpOV[1].Alloc( length );
+}
+
+void cDoubleOV::Destroy()
+{
+}
+
+//////////////////////////////////////////////////////////////////////
+// operation
+//////////////////////////////////////////////////////////////////////
+
+void cDoubleOV::Reset()
+{
+	m_iterator = 0;
+	m_iocpOV[0].Clean();
+	m_iocpOV[1].Clean();
+}
+
+uint32 cDoubleOV::GetDataLength()
+{
+	return m_iocpOV[GetIterator()].GetDataLength();
+}
+
+uint32 cDoubleOV::GetBufferLength()
+{
+	return m_iocpOV[GetIterator()].GetBufferLength();
+}
+
+BOOL cDoubleOV::IsSending()
+{
+	return (WSA_SENDING == m_sending) ? TRUE : FALSE;
+}
+
+void cDoubleOV::Alloc(const uint32 bufferLength)
+{
+	m_iocpOV[GetIterator()].Alloc(bufferLength);
+}
+
+void cDoubleOV::CopyBuffer(const uint8* buffer, const uint32 bufferLength)
+{
+	m_iocpOV[GetIterator()].CopyBuffer(buffer, bufferLength);
+}
+
+BOOL cDoubleOV::AppendBuffer(const uint8* buffer, const uint32 bufferLength)
+{
+	uint32 it = GetIterator();
+
+	m_iocpOV[it].AppendBuffer(buffer, bufferLength);
+	if(m_iocpOV[it].GetDataLength() >= cSingleton<cSystem>::GetInstance()->GetPacket())
+	{
+		// 보낼 때가 됨
+		return FALSE;
+	}
+	return TRUE;
+}
+
+BOOL cDoubleOV::Appendable(const uint32 bufferLength)
+{
+	uint32 it = GetIterator();
+
+	uint32 dataLength = m_iocpOV[it].GetDataLength();
+	uint32 maxLength = m_iocpOV[it].GetBufferLength();
+	if((dataLength+bufferLength) >= maxLength)
+	{
+		// 패킷이 오버됨
+		return FALSE;
+	}
+	return TRUE;
+}
+
+cIocpOv* cDoubleOV::Pop()
+{
+	if(WSA_WAITING == m_sending)
+	{
+		cIocpOv* iocpOvl = &(m_iocpOV[m_iterator]);
+		if(iocpOvl->GetDataLength() > 0)
+		{
+			if(0 == m_iterator)
+			{
+				InterlockedExchange(&m_iterator, 1);
+			}
+			else 
+			{
+				InterlockedExchange(&m_iterator, 0);
+			}
+
+			InterlockedCompareExchange(&m_sending, WSA_SENDING, WSA_WAITING);
+			return iocpOvl;
+		}
+	}
+	return NULL;
+}
+
+void cDoubleOV::Push(cIocpOv* iocpOvl)
+{
+	iocpOvl->Clean();
+
+	InterlockedCompareExchange(&m_sending, WSA_WAITING, WSA_SENDING);
+}
+
+uint32 cDoubleOV::GetIterator()
+{
+	return m_iterator;
+}