www.pudn.com > WEB020.rar > NET.H

//----------------------------------------------------------------------------- 
// NET.H 
// 
//----------------------------------------------------------------------------- 
 
 
typedef unsigned char  				UCHAR; 
typedef unsigned int 				UINT; 
typedef unsigned long				ULONG; 
typedef unsigned long				LONG; 
 
// Constants 
#define TRUE      					1 
#define ON								1 
#define OK                    	1 
#define FALSE     					0 
#define OFF								0 
#define MATCH							0 
#define RET		   					0x0D 
#define LF								0x0A 
#define SPACE		 					0x20 
 
// Port numbers 
#define ECHO_PORT						7 
#define DAYTIME_PORT					13 
#define CHARGEN_PORT					19 
#define TIME_PORT						37 
#define HTTP_PORT  					80 
 
 
// Event word bits 
#define EVENT_ETH_ARRIVED			0x0001 
#define EVENT_AGE_ARP_CACHE		0x0002 
#define EVENT_TCP_RETRANSMIT		0x0004 
#define EVENT_TCP_INACTIVITY		0x0008 
#define EVENT_ARP_RETRANSMIT		0x0010 
#define EVENT_READ_ANALOG			0x0020 
#define EVENT_RS232_ARRIVED		0x0040 
 
 
// Type number field in Ethernet frame 
#define IP_PACKET             	0x0800 
#define ARP_PACKET            	0x0806 
#define RARP_PACKET					0x8035 
 
// Protocol identifier field in IP datagram 
#define ICMP_TYPE             	1 
#define IGMP_TYPE						2 
#define TCP_TYPE              	6 
#define UDP_TYPE              	17 
 
// Message type field in ARP messages  
#define ARP_REQUEST           	1 
#define ARP_RESPONSE          	2 
#define RARP_REQUEST		        	3 
#define RARP_RESPONSE         	4 
 
// Hardware type field in ARP message 
#define DIX_ETHERNET          	1 
#define IEEE_ETHERNET         	6 
 
 
 
typedef struct 
{ 
   ULONG ipaddr; 
   UCHAR hwaddr[6]; 
   UCHAR timer;  
} ARP_CACHE; 
 
 
typedef struct 
{ 
	UCHAR xdata * buf; 
	ULONG ipaddr; 
	UCHAR proto_id; 
	UINT  len; 
	UCHAR timer; 
} WAIT; 
 
 
typedef struct 
{ 
	UINT  hardware_type;  
   UINT  protocol_type;            
   UCHAR hwaddr_len; 
   UCHAR ipaddr_len;                
   UINT  message_type; 
   UCHAR source_hwaddr[6];               
   ULONG source_ipaddr; 
   UCHAR dest_hwaddr[6];     
   ULONG dest_ipaddr; 
} ARP_HEADER; 
 
 
typedef struct 
{ 
  UCHAR dest_hwaddr[6]; 
  UCHAR source_hwaddr[6]; 
  UINT  frame_type; 
} ETH_HEADER; 
 
 
typedef struct 
{ 
   UCHAR ver_len; 
   UCHAR type_of_service; 
   UINT  total_length; 
   UINT  identifier; 
   UINT  fragment_info; 
   UCHAR time_to_live; 
   UCHAR protocol_id; 
   UINT  header_cksum; 
   ULONG source_ipaddr; 
   ULONG dest_ipaddr; 
} IP_HEADER; 
 
 
typedef struct 
{ 
   UCHAR msg_type; 
   UCHAR msg_code; 
   UINT  checksum; 
   UINT  identifier; 
   UINT  sequence; 
	UCHAR echo_data; 
} PING_HEADER; 
 
 
typedef struct 
{ 
   UCHAR msg_type; 
   UCHAR msg_code; 
   UINT  checksum; 
   ULONG msg_data; 
   UCHAR echo_data; 
} ICMP_ERR_HEADER; 
 
 
typedef struct  
{ 
   UINT  source_port; 
   UINT  dest_port; 
   UINT  length; 
   UINT  checksum; 
	UCHAR msg_data; 
} UDP_HEADER; 
 
 
typedef struct 
{ 
   UINT  source_port; 
   UINT  dest_port; 
   ULONG sequence; 
   ULONG ack_number; 
   UINT  flags; 
   UINT  window; 
   UINT  checksum; 
   UINT  urgent_ptr; 
	UCHAR options; 
} TCP_HEADER; 
 
 
typedef struct 
{ 
  ULONG ipaddr; 
  UINT  port; 
  ULONG his_sequence; 
  ULONG my_sequence; 
  ULONG old_sequence; 
  ULONG his_ack; 
  UCHAR timer; 
  UCHAR inactivity;	  
  UCHAR state; 
  char  query[20]; 
} CONNECTION;