tftp_common.h

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#ifndef _TFTP_COMMON_H
#define _TFTP_COMMON_H
 
//Dependencies
#include "core/net.h"
 
//TFTP port number
#define TFTP_PORT 69
 
//C++ guard
#ifdef __cplusplus
extern "C" {
#endif
 
 
typedef enum
{
   TFTP_OPCODE_RRQ   = 1, 
   TFTP_OPCODE_WRQ   = 2, 
   TFTP_OPCODE_DATA  = 3, 
   TFTP_OPCODE_ACK   = 4, 
   TFTP_OPCODE_ERROR = 5, 
   TFTP_OPCODE_OACK  = 6  
} TftpOpcode;
 
 
typedef enum
{
   TFTP_ERROR_NOT_DEFINED         = 0,
   TFTP_ERROR_FILE_NOT_FOUND      = 1,
   TFTP_ERROR_ACCESS_VIOLATION    = 2,
   TFTP_ERROR_DISK_FULL           = 3,
   TFTP_ERROR_ILLEGAL_OPERATION   = 4,
   TFTP_ERROR_UNKNOWN_TID         = 5,
   TFTP_ERROR_FILE_ALREADY_EXISTS = 6,
   TFTP_ERROR_NO_SUCH_USER        = 7
} TftpErrorCode;
 
 
//CodeWarrior or Win32 compiler?
#if defined(__CWCC__) || defined(_WIN32)
   #pragma pack(push, 1)
#endif
 
 
typedef __packed_struct
{
   uint16_t opcode;   //0-1
   char_t filename[]; //2
} TftpRrqPacket;
 
 
typedef __packed_struct
{
   uint16_t opcode;   //0-1
   char_t filename[]; //2
} TftpWrqPacket;
 
 
typedef __packed_struct
{
   uint16_t opcode; //0-1
   uint16_t block;  //2-3
   uint8_t data[];  //4
} TftpDataPacket;
 
 
typedef __packed_struct
{
   uint16_t opcode; //0-1
   uint16_t block;  //2-3
} TftpAckPacket;
 
 
typedef __packed_struct
{
   uint16_t opcode;    //0-1
   uint16_t errorCode; //2-3
   char_t errorMsg[];  //4
} TftpErrorPacket;
 
 
//CodeWarrior or Win32 compiler?
#if defined(__CWCC__) || defined(_WIN32)
   #pragma pack(pop)
#endif
 
//C++ guard
#ifdef __cplusplus
}
#endif
 
#endif