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#pragma once
extern HINSTANCE hInst;
int getMsgId(char *msg);
INT_PTR CALLBACK DialogProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
#ifdef _DEBUG
#define CHECKPOINT
#else
#define CHECKPOINT error
#endif
#define TIMER_SEND 100
typedef unsigned int uint;
typedef unsigned char uchar;
typedef unsigned long ulong;
enum
{
CMD_REQ,
CMD_ACCEPT,
CMD_CANCEL,
CMD_NEXT,
CMD_DATA,
CMD_DACK,
CMD_END,
CMD_COUNT
};
extern char cFECmd[CMD_COUNT];
#define STATE_IDLE 0x100 // idle, no operation
#define STATE_REQSENT 0x02 // request sent, awaiting of response
#define STATE_PRERECV 0x04 // incoming request, awaiting of user
#define STATE_OPERATE 0x08 // operating mode
#define STATE_ACKREQ 0x10 // ACK-request scheduled
#define STATE_CANCELLED 0x20 // operation aborted
#define STATE_FINISHED 0x40 // ... finished successfully
#define STATE_PAUSED 0x80 // ... paused
#define CHUNK_UNSENT 0x00
#define CHUNK_SENT 0x01
#define CHUNK_ACK 0x02
#define ICON_PLAY 0
#define ICON_PAUSE 1
#define ICON_REFRESH 2
#define ICON_STOP 3
#define ICON_MAIN 4
struct FILEECHO
{
public:
MCONTACT hContact;
HWND hDlg;
bool inSend;
int iState;
int contactStatus;
HANDLE hFile, hMapping;
uchar *lpData;
char *filename;
uint chunkIndx; // next chunk to send
uint chunkCount; // count of chunks
uint chunkSent;
uint chunkCountx;
uint *chunkPos; // offsets of chunks in file
uchar *chunkAck; // acknowledge of incoming chunks
uchar codeSymb; // symb for replace NUL-symb.
uint fileSize;
uint chunkMaxLen; // limit for outgoing chunk
DWORD lastTimestamp;
DWORD lastDelay;
bool asBinary;
// settings
uint dwSendInterval;
//uint dwChunkSize;
COLORREF rgbSent, rgbRecv, rgbUnSent, rgbToSend;
#ifdef DEBUG
uint overhead;
#endif
FILEECHO(MCONTACT Contact);
void setState(DWORD state);
void updateProgress();
void updateTitle();
void perform(char *str);
void cmdACCEPT();
void cmdDACK(char *data);
void sendReq();
int sendCmd(int id, int cmd, char *szParam, char *szPrefix = nullptr);
void cmdDATA(char *data);
void cmdEND();
int createTransfer();
void destroyTransfer();
void onSendTimer();
void onRecvTimer();
void incomeRequest(char *data);
};
void InitCRC32();
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