include<stdlib.h>
include<stdio.h>
include<string.h>
struct D
{
char name[20];
float balance;
}d;
struct C
{
char name[20];
int count;
}c;
char ch;
struct A
{
char command[20];
char name[20];
char filename[25];
float amount;
}a;
struct P
{
char name[20];
}p;
int main(char argc, char**argv)
{
struct A b;
char str[100];
FILE *fp,*fp1,*fp2;
int ch,i, choice,c,pref,m;
char user_name[100];
char i1;
float credit_amount,debit_amount;
printf("\n Enter the mode you would would like to operate on:\n");
printf("\n1.File Mode \n");
printf("\n2. Shared Memory mode\n");
scanf("%d",&ch);
switch(ch)
{
case 1:
Label: printf("\n You've Chosen File mode ... \n");
printf("\n Do you wish to login(1) or exit(0)\n");
scanf("%d",&c);
if(c == 1)
{
printf("\n Enter the user name:\t");
printf("\n");
scanf("%s",&user_name);
printf("%s",user_name);
printf("Logging in\n");
while(1)
{
printf("food");
fp = fopen("command.txt","w");
printf("hello");
if(fp == NULL)
{
printf("world");
// continue;
}
strcpy(b.command,"CREATE");
strcpy(b.name,user_name);
fwrite(&b,sizeof(struct A),1,fp);
printf("%s",b.name);
fclose(fp);
break; // just in case so that server has enough
// time to read before client closes the file
}
}
else
{
exit(0);
}
fp1 = fopen("s.txt","r");
if(fp1 == NULL)
{
printf("\n Error in opening file\n");
exit(0);
}
while (1)
{
//sleep(5);
if( (ch = getc(fp1))==EOF)
{
continue;
}
else
{
fseek(fp1, 0, SEEK_SET);
for( i= 0; i<30; i++)
{
if((ch = getc(fp1)) == EOF)
{
b.filename[i] = '\0';
break;
}
b.filename[i] = ch;
}
// strcat(File_Array,".txt");
}
break; // While(1): Break
}
fclose(fp1);
//fclose(fp);
repeat: printf("\n\n\t\t MENU\n\n");
printf("\n1.CREDIT\n");
printf("\n2.DEBIT\n");
printf("\n3.BALANCE\n");
printf("\n4.LOGOUT\n");
printf("\nEnter your choice : ");
scanf("%d",&pref);
switch(pref)
{
case 1:
printf("\nEnter the Amount to be Credited : ");
scanf("%f", &credit_amount);
fp = fopen("command.txt","w");
strcpy(b.command,"CREDIT");
b.amount = credit_amount;
strcpy(b.name,user_name);
fwrite(&b,sizeof(struct A),1,fp);
//sleep(2);
fclose(fp); // just in case so that server has enough
break; // time to read before client closes the file
case 2:
printf("\n Enter the balance to be Debited : ");
scanf("%f",&debit_amount);
//fp = fopen("command.txt","w");
strcpy(b.command,"DEBIT");
b.amount = debit_amount;
strcpy(b.name,user_name);
fwrite(&b,sizeof(struct A),1,fp);
//sleep(2);
fclose(fp); // just in case so that server has enough
break; // time to read before client closes the file
case 3: fp = fopen("command.txt","w");
strcpy(b.command,"BALANCE");
strcpy(b.name,user_name);
//sleep(2);
fwrite(&b, sizeof(struct A), 1, fp);
fclose(fp); // just in case so that server has enough
// time to read before client closes the file
break;
default:
printf("\n Invalid choice ...\n\n\\n");
printf("\n Terminating ..\n\n\n");
/* int c=1, d=1;
for(c=1;c<=32767;c++)
for(d=1;d<=32767;d++)
{
}*/
//exit(0);
goto repeat;
}
fp2 = fopen(b.filename,"r");
/*while(1)
{
if(fp2 == NULL)
{
continue;
}
}*/
// mode changed here
while(1)
{
if(strcmp(b.command,"CREDIT")==0)
{
/*char* ch_credit = "CREDITED";*
printf("%s\t %f\t %s\t",user_name,credit_amount);*/
while((i1=getc(fp2))!= EOF)
{
printf("%c",i1);
}
}
else if(strcmp(b.command,"DEBIT"))
{
/*char* ch_debit = "DEBITED";
printf("%s\t %f\t %s\t",user_name,debit_amount,ch_debit);*/
while((i1=getc(fp2)) != EOF)
{
printf("%c",i1);
}
}
else if(strcmp(b.command,"BALANCE"))
{
/*char* ch_balance = "BALANCE";
fgets(str, 100, fp2);*/
while((i1=getc(fp2)) != EOF)
{
printf("%c",i1);
}
}
//printf("%s\t %s\t %s\t ",ch_balance,user_name,str); // <----------- // what balance will come here
break; // while(1): Break
}
break;
case 2:
printf("\n You've chosen Shared memory mode:\n");
printf("\n OOPS, Due to technical problems you will be redirected to File mode..\n");
printf("\n Do you wish to continue? press (1) to continue or exit(any key):\n");
scanf("%d", &choice);
switch(choice)
{
case 1: goto Label;
break;
default:
exit(0);
}
break;
default:
printf("\n Invalid choice ...\n\n\\n");
printf("\n Redirecting to file mode ..\n\n\n");
/*int c=1, d=1;
for(c=1;c<=32767;c++)
for(d=1;d<=32767;d++)
{
}*/
//exit(0);
goto Label;
}
printf("do u want to continue,1 to continue");
scanf("%d",&m);
if(m ==1)
{
goto repeat;
}
else
{
exit(0);
}
return 0;
}
