client.c

多用户银行系统

#include <setjmp.h>
#include <stdlib.h> // malloc
#include <signal.h>
#include <unistd.h>

#include "../include/tools.h"
#include "../include/structs.h"
#include "../include/stddef.h"
#include "../include/clientlib.h"

void sig_client(int sig);

SHM *shm;
char *oper;
int shmid;

int main(){
	USER user;
	char *guibuf;
	int index;

	shmid = shmget(KEY , SHM_SIZE , 0600);
	shm = shmat(shmid , 0 , 0);
	printf("shm address : %p\n" , shm);

	
	// to ignal Ctrl+C
//	signal(SIGINT , SIG_IGN); 

	signal(SIGRSPN , sig_client);
	oper = (char *)malloc(sizeof(char) * (OPER_SIZE + 1));
	guibuf = (char *)malloc(sizeof(char) * (GUI_BUF_SIZE + 1));
	if(!oper || !guibuf){
		printf("malloc error !\n");
		exit(1);	
	}
/*
	do{
		getInput(&user);
	}while(identify(&user) < OK); // can't work if use : while(! identify(&user)) !!
*/
	readFile(guibuf);
/*
	key = ftok("/root/test.c" , 0);
	shmid = shmget(key , SHM_SIZE , 0600);
	shm = shmat(shmid , 0 , 0);
	
*/
	index = getSHM();	

	(shm->swap_arr)[index].swap.cpid = getpid();

	sigset_t mask , omask;
	sigemptyset(&mask);
	while(1){
		showGUI(guibuf);
		getChoice(oper);
		strcpy( (shm->swap_arr)[index].swap.mark , oper);	
		execute(index , oper);


		while((shm->swap_arr)[index].swap.over != DONE){}
		(shm->swap_arr)[index].swap.over = NODONE;
		
		showResult(oper , index);
		//sigsuspend(&mask);
		//pause();
		
	}
};
void sig_client(int signo){
	printf("################################\n");
	printf("        server returned\n");
	printf("################################\n");
	printf("sig handle in client returned ....\n");
	return ;
};