LosaDev source snapshot 2019

extra/LS_Service/LS_network/cIOCP.cpp

@@ -0,0 +1,76 @@
+#include "stdafx.h"
+#include "cIOCP.h"
+
+
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+cIOCP::cIOCP(void)
+{
+	Init();	
+}
+
+cIOCP::~cIOCP(void)
+{
+	Destroy();
+}
+
+void cIOCP::Init()
+{
+	m_completionPort = NULL;
+}
+
+void cIOCP::Destroy()
+{
+	Close();
+}
+
+//////////////////////////////////////////////////////////////////////
+// Operation
+//////////////////////////////////////////////////////////////////////
+
+// create new I/O completion port
+BOOL cIOCP::Create()
+{
+	m_completionPort = CreateIoCompletionPort(	INVALID_HANDLE_VALUE, 
+												NULL, 
+												0, 
+												0 );
+
+	return (m_completionPort ? TRUE : FALSE);
+}
+
+// destroy I/O completion port
+void cIOCP::Close()
+{
+	if( m_completionPort ) 
+	{
+		CloseHandle( m_completionPort );
+		m_completionPort = NULL;
+	}
+}
+
+// associate an instance
+BOOL cIOCP::AssocInstance( HANDLE socket, DWORD ioKey )
+{
+	HANDLE	hIocpPort = CreateIoCompletionPort(	socket,
+												m_completionPort,
+												ioKey,
+												0 );
+	return (hIocpPort ? TRUE : FALSE); 
+}
+
+// dequeue an I/O completion packet from IOCP
+BOOL cIOCP::GetIocpStatus(	LPDWORD bytesTransferred, 
+							PULONG completionKey, 
+							LPOVERLAPPED* overlapped, 
+							DWORD milliseconds  )
+{
+	return GetQueuedCompletionStatus(	m_completionPort,
+										bytesTransferred,
+										completionKey,
+										overlapped,
+										milliseconds ) ? TRUE : FALSE;
+}