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#ifndef _COMMON_H
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#define _COMMON_H
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#define WIN32_LEAN_AND_MEAN
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#include <winsock2.h>
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#include <windows.h>
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#include <stdio.h>
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//#define DEBUGTRACE
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#ifdef DEBUGTRACE
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#include <stdlib.h>
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#define dprintf(...) real_dprintf(__VA_ARGS__)
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#ifndef DPRINTF
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#define DPRINTF
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static void real_dprintf(char *format, ...) {
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	va_list args;
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	char buffer[1024];
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	FILE * fp = fopen("c:\\debug_log_vncdll.txt","a");
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	va_start(args,format);
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	vsnprintf_s(buffer, sizeof(buffer), sizeof(buffer)-3, format,args);
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	strcat_s(buffer, sizeof(buffer), "\r\n\x00");
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	if(fp)
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	{
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		fputs( buffer, fp );
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		fclose(fp);
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	}
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	OutputDebugString(buffer);
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}
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#endif
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#else
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#define dprintf(...) do{}while(0);
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#endif
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// Simple macro to close a handle and set the handle to NULL.
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#define CLOSE_HANDLE( h )	if( h ) { CloseHandle( h ); h = NULL; }
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#define BREAK_ON_ERROR( str ) { dwResult = GetLastError(); dprintf( "%s. error=%d", str, dwResult ); break; }
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#define BREAK_WITH_ERROR( str, err ) { dwResult = err; dprintf( "%s. error=%d", str, dwResult ); break; }
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#define BREAK_ON_WSAERROR( str ) { dwResult = WSAGetLastError(); dprintf( "%s. error=%d", str, dwResult ); break; }
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typedef struct _PIXELFORMAT
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{
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    BYTE bpp;
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    BYTE depth;
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    BYTE bigendian;
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    BYTE truecolour;
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    WORD redmax;
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    WORD greenmax;
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    WORD bluemax;
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    BYTE redshift;
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    BYTE greenshift;
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    BYTE blueshift;
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    BYTE pad1;
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    WORD pad2;
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} PIXELFORMAT;
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/*typedef struct _DICTMSG
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{
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	DWORD dwId;
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	DWORD dwDictLength;
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	BYTE bDictBuffer[1];
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} DICTMSG;*/
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/*
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 * The context used for the agent to keep the vnc stream back to the client consistent during session switching.
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 */
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typedef struct _AGENT_CTX
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{
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	// The WSAPROTOCOL_INFO structure for the socket back to the client.
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	WSAPROTOCOL_INFO info;
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	// Flag to disable the creation of a courtesy shell on the input desktop.
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	BOOL bDisableCourtesyShell;
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	// The event to terminate the vnc agent.
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	HANDLE hCloseEvent;
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	// A flag to force only the first agent instance to perform the RFB initilization.
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	BOOL bInit;
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	// The encoding used by the last agent, we can then force the next agent to keep using
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	// the last known encoding in order to keep the remote client's RFB stream consistent.
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	DWORD dwEncoding;
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	// A hex value used for the loaders pipe server
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	DWORD dwPipeName;
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	// The rfb streams current pixel format.
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	PIXELFORMAT PixelFormat;
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	// Various settings for the rfb stream.
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	DWORD dwCompressLevel;
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	DWORD dwQualityLevel;
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	BOOL bUseCopyRect;
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	BOOL bEncodingRichCursor;
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	BOOL bEncodingPointerPos;
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	BOOL bEncodingLastRect;
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	BOOL bEncodingNewfbSize;
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	BOOL bEncodingXCursor;
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	//DICTMSG * dictionaries[4];
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} AGENT_CTX, * LPAGENT_CTX;
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#define MESSAGE_SETENCODING					0x28471649
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#define MESSAGE_SETPIXELFORMAT				0x92785926
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#define MESSAGE_SETCOMPRESSLEVEL			0x82658926
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#define MESSAGE_SETQUALITYLEVEL				0x31857295
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#define MESSAGE_SETCOPYRECTUSE				0x91748275
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#define MESSAGE_SETENCODINGRICHCURSOR		0x39185037
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#define MESSAGE_SETENCODINGPOINTERPOS		0x47295620
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#define MESSAGE_SETENCODINGLASTRECT			0x11984659
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#define MESSAGE_SETENCODINGNEWFBSIZE		0x94856345
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#define MESSAGE_SETENCODINGXCURSOR			0x81659265
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#define MESSAGE_SETZLIBDICTIONARY			0x91601668
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#endif
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