initial

utils/vmpi/ichannel.h

@@ -0,0 +1,49 @@
+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef ICHANNEL_H
+#define ICHANNEL_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "tier1/utlvector.h"
+
+
+class IChannel
+{
+public:
+	// Note: this also releases any channels contained inside. So if you make a reliable
+	// channel that contains an unreliable channel and release the reliable one,
+	// it will automatically release the unreliable one it contains.
+	virtual	void	Release() = 0;
+
+	// Send data to the destination.
+	virtual bool	Send( const void *pData, int len ) = 0;
+	
+	// This version puts all the chunks into one packet and ships it off.
+	virtual bool	SendChunks( void const * const *pChunks, const int *pChunkLengths, int nChunks ) = 0;
+	
+	// Check for any packets coming in from the destination.
+	// Returns false if no packet was received.
+	//
+	// flTimeout can be used to make it wait for data.
+	//
+	// Note: this is most efficient if you keep the buffer around between calls so it only
+	// reallocates it when it needs more space.
+	virtual bool	Recv( CUtlVector<unsigned char> &data, double flTimeout=0 ) = 0;
+
+	// Returns false if the connection has been broken.
+	virtual bool	IsConnected() = 0;
+
+	// If IsConnected returns false, you can call this to find out why the socket got disconnected.
+	virtual void	GetDisconnectReason( CUtlVector<char> &reason ) = 0;
+};
+
+
+#endif // ICHANNEL_H