simpserv.c

tuxede下面的编程

#include <stdio.h>
#include <ctype.h>
#include "atmi.h"

#define SRECV  1
#define SSEND  2
#define SDONE  3

void TOUPPER(TPSVCINFO *rqst)
{
	long state = SRECV;
	char*  buf;
	long len,revent;
	buf = (char*)tpalloc("STRING",NULL , 1024);
	for(;;)
	{
		switch(state)
		{
		case SRECV:
		userlog("SRECV\n");
		if(tprecv(rqst->cd,&buf,&len,TPNOCHANGE,&revent)==-1)
		{
			if(tperrno==TPEEVENT&&revent==TPEV_SENDONLY)
			{
				userlog("TPEV_SENDONLY happened\n");
				state = SSEND;
			}
			else
			{
				userlog("tprecv() failure,revent=%ld,strerr=%s\n",revent,tpstrerror(tperrno));
				free(buf);
				tpreturn(TPFAIL,0,0,0L,0);
			}
		}
		userlog("tprecv() recieve data from client=%s\n",buf);
		break;
		case SSEND:
		userlog("SSEND\n");
		strcpy(buf,"data from server");
		if (tpsend(rqst->cd,buf,(long)strlen(buf),TPSIGRSTRT,&revent)==-1)
			userlog("tpsend() failure,revent=%ld,strerr=%s\n",revent,tpstrerror(tperrno));
		else
			userlog("tpsend() success\n");
		state = SDONE;
		break;
		case SDONE:
			userlog("SDONE\n");
			strcpy(buf,"tpreturn(TPSUCCESS)");
			tpreturn(TPSUCCESS,0,rqst->data,0L,0);
		}
	}
}