pop3if.c1

世纪民生公司的带网络功能的单片机CS6209开发POP3服务器演示源代码。

#include "hpserver.h"
#include "netutil.h"
#include "pop3.h"
#include "net.h"
#include "ether.h"
#include "ip.h"
#include "tcp.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int total_messages=0;
/******************************************************************/
/*    Callback function for POP3 Login				  */
/*    st_pop3 *pop3:point to pop3 structure			  */
/*    								  */
/*    Note:You may change it for APOP				  */
/*								  */
/******************************************************************/
void pop3_on_login(st_pop3 *pop3)
{
TSOCK *socket;
	socket=pop3->socket;

	switch (pop3->status){
		case POP3_LOGIN:
			buff_instr(&socket->txb,"USER ");
			buff_instr(&socket->txb,pop3->user_name);
			buff_instr(&socket->txb,"\xd\xa");
			pop3->status=POP3_LOGIN_USER;
			break;
		case POP3_LOGIN_USER:
			buff_instr(&socket->txb,"PASS ");
			buff_instr(&socket->txb,pop3->password);
			buff_instr(&socket->txb,"\xd\xa");
			pop3->status=POP3_LOGIN_PASS;
			break;
	}		
}
/******************************************************************/
/*    Callback function for POP3 LIST Command			  */
/*    st_pop3 *pop3:point to pop3 structure			  */
/*    								  */
/*    Description:After we send LIST command to	POP3 Server,	  */
/*		  the server return list data and call 
/*		  pop3->getting_mail_info function.This is a 	  */
/*		  sample code for pop3->getting_mail_info 
/*		  function.					  */
/*								  */
/******************************************************************/
void pop3_on_getting_mail_info(st_pop3 *pop3,char start_of_message_flag,char end_of_message_flag)
{
	char buf[256];
	int i;
	char ret_val;
	static unsigned char line_count;
	extern char buff_out_one_line(TSOCK *socket,char *line_buff,int buf_size);
	TSOCK *ts;
	ts=pop3->socket;
	if (start_of_message_flag)
		line_count=0;

	while ((ret_val=buff_out_one_line(ts,buf,256))>0)
			line_count++;
	if (end_of_message_flag)
	{
		for (i=1;i<line_count-1;i++)
			en_queue_get_mail(pop3,i);
		en_queue_quit_mail(pop3);
		total_messages=line_count-2;
		if (total_messages)
			P1=0x0;
		else 
			P1=0xff;
	}

}
/******************************************************************/
/*    Callback function for POP3 UIDL Command			  */
/*    st_pop3 *pop3:point to pop3 structure			  */
/*    								  */
/*    Description:After we send UIDL command to	POP3 Server,	  */
/*		  the server return uid data and call 
/*		  pop3->getting_mail_uid function.This is a 	  */
/*		  sample code for pop3->getting_mail_uid
/*		  function.					  */
/*								  */
/******************************************************************/
void pop3_on_getting_mail_uid(st_pop3 *pop3,char start_of_message_flag,char end_of_message_flag)
{
}
/******************************************************************/
/*    Callback function for POP3 RETR and TOP Command			  */
/*    st_pop3 *pop3:point to pop3 structure			  */
/*    								  */
/*    Description:After we send RETR or TOP command to POP3 Server*/
/*		  ,the server return mail data and call 
/*		  pop3->getting_mail function.This is a 	  */
/*		  sample code for pop3->getting_mail
/*		  function.					  */
/*								  */
/******************************************************************/
void pop3_on_getting_mail(st_pop3 *pop3,char start_of_message_flag,char end_of_message_flag)
{
}
/******************************************************************/
/*    Callback function for POP3 Error 				  */
/*    st_pop3 *pop3:point to pop3 structure			  */
/*    								  */
/*    Description:After an error,the server call 
/*		  pop3->error function.This is a	 	  */
/*		  sample code for pop3->error
/*		  function.					  */
/*								  								  */
/*	  Note:The Error is store in pop3->last_error which is define
/*		   in pop3.h
/******************************************************************/
void pop3_on_error(st_pop3 *pop3)
{
char ret_val;
TSOCK *socket;
socket=pop3->socket;
	printf("\nPOP3 Error Message is\n");
	while (buff_out(&socket->rxb,&ret_val,1))
		printf("%c",ret_val);
	if ((pop3->status==POP3_LOGIN_USER)
	   ||(pop3->status==POP3_LOGIN_PASS))
	{
	   printf("\nPASS word ERROR");
	   buff_instr(&socket->txb,"quit\xD\xA");
	   pop3->status=POP3_CLOSE;
	   return ;
	}   
	pop3->status=POP3_IDLE;
}