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source_code.c
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source_code.c
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#include <stdio.h>
#include <stdlib.h>
#include<string.h>
#include<conio.h>
#include <time.h>
#include<ctype.h>
#include<io.h>
#include<malloc.h>
char stations[34][16]={"Ariyalur","Chengalpattu","Chennai\t","Coimbatore","Cuddalore","Dharmapuri","Dindigul","Erode\t","Kanchipuram","Kanyakumari","Karur\t","Krishnagiri","Madurai\t","Mayiladuthurai","Nagapattinam","Namakkal","Nilgiris","Pudukkottai","Ramanathapuram","Salem\t","Sivaganga","Tenkasi\t","Thanjavur","Theni\t","Thiruvannamalai","Thiruvarur","Thoothukudi","Tiruchirappalli","Tirunelveli","Tiruppur","Tiruvallur","Vellore\t","Viluppuram","Virudhunagar"};
long long int cPNR;
int check=0;
struct passenger{
long long int PNR;
int train_no;
int cmpt;
int frto[2];
char status;
int seatno;
};
struct route{
int data;
int time[2];
struct route *next;
};
struct waitlist{
char p_user[20];
long long int PNR;
struct waitlist *next;
};
struct train{
struct route *rt;
char name[50];
int train_no;
int frto[2];
int noac1,noac2,nnac1,nnac2,nw;
struct waitlist *wt;
}trains[12];
void login();
void mainmenu(char user[20],char pw[20]);
void signup();
void shutdown();
void startup();
int* search(char user[20],char pw[20],int c);
void database();
void new_waitlist(struct passenger);
void cancelbooking(char user[20],char pw[20]);
void newbooking(char user[20],char pw[20]);
void check_upcoming(char user[20],char pw[20]);
void check_waitlist(char user[20],char pw[20]);
void delay(int number_of_seconds){
int milli_seconds = 1000 * number_of_seconds;
clock_t start_time = clock();
while(clock() < start_time + milli_seconds) ;
}
int cfileexists(const char * filename){
/* try to open file to read */
FILE *file;
if (file = fopen(filename, "r")){
fclose(file);
return 1;
}
return 0;
}
void newdir(){
int check;
char* dirname = "railway dbs";
system("cls");
check = mkdir(dirname);
// check if directory is created or not
if (!check){
FILE *file;
mkdir("./railway dbs/trains");
file = fopen("./railway dbs/trains/PNRdata.txt","w");
cPNR=1000000000;
fprintf(file,"%lld",cPNR);
fclose(file);
file = fopen("./railway dbs/trains/t0.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[0].noac1,trains[0].noac2,trains[0].nnac1,trains[0].nnac2,trains[0].nw);
fclose(file);
file = fopen("./railway dbs/trains/t1.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[1].noac1,trains[1].noac2,trains[1].nnac1,trains[1].nnac2,trains[1].nw);
fclose(file);
file = fopen("./railway dbs/trains/t2.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[2].noac1,trains[2].noac2,trains[2].nnac1,trains[2].nnac2,trains[2].nw);
fclose(file);
file = fopen("./railway dbs/trains/t3.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[3].noac1,trains[3].noac2,trains[3].nnac1,trains[3].nnac2,trains[3].nw);
fclose(file);
file = fopen("./railway dbs/trains/t4.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[4].noac1,trains[4].noac2,trains[4].nnac1,trains[4].nnac2,trains[4].nw);
fclose(file);
file = fopen("./railway dbs/trains/t5.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[5].noac1,trains[5].noac2,trains[5].nnac1,trains[5].nnac2,trains[5].nw);
fclose(file);
file = fopen("./railway dbs/trains/t6.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[6].noac1,trains[6].noac2,trains[6].nnac1,trains[6].nnac2,trains[6].nw);
fclose(file);
file = fopen("./railway dbs/trains/t7.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[7].noac1,trains[7].noac2,trains[7].nnac1,trains[7].nnac2,trains[7].nw);
fclose(file);
file = fopen("./railway dbs/trains/t8.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[8].noac1,trains[8].noac2,trains[8].nnac1,trains[8].nnac2,trains[8].nw);
fclose(file);
file = fopen("./railway dbs/trains/t9.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[9].noac1,trains[9].noac2,trains[9].nnac1,trains[9].nnac2,trains[9].nw);
fclose(file);
file = fopen("./railway dbs/trains/t10.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[10].noac1,trains[10].noac2,trains[10].nnac1,trains[10].nnac2,trains[10].nw);
fclose(file);
file = fopen("./railway dbs/trains/t11.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[11].noac1,trains[11].noac2,trains[11].nnac1,trains[11].nnac2,trains[11].nw);
fclose(file);
printf("Directory created\n");
}
else{
FILE *file;
struct waitlist *t1,*t2;
int k=0;
file = fopen("./railway dbs/trains/PNRdata.txt","r");
fscanf(file,"%lld",&cPNR);
fclose(file);
file = fopen("./railway dbs/trains/t0.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[0].noac1,&trains[0].noac2,&trains[0].nnac1,&trains[0].nnac2,&trains[0].nw);
k=0;
while(k<trains[0].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[0].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t1.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[1].noac1,&trains[1].noac2,&trains[1].nnac1,&trains[1].nnac2,&trains[1].nw);
k=0;
while(k<trains[1].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[1].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t2.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[2].noac1,&trains[2].noac2,&trains[2].nnac1,&trains[2].nnac2,&trains[2].nw);
k=0;
while(k<trains[2].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[2].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t3.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[3].noac1,&trains[3].noac2,&trains[3].nnac1,&trains[3].nnac2,&trains[3].nw);
k=0;
while(k<trains[3].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[3].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t4.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[4].noac1,&trains[4].noac2,&trains[4].nnac1,&trains[4].nnac2,&trains[4].nw);
k=0;
while(k<trains[4].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[4].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t5.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[5].noac1,&trains[5].noac2,&trains[5].nnac1,&trains[5].nnac2,&trains[5].nw);
k=0;
while(k<trains[5].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[5].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t6.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[6].noac1,&trains[6].noac2,&trains[6].nnac1,&trains[6].nnac2,&trains[6].nw);
k=0;
while(k<trains[6].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[6].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t7.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[7].noac1,&trains[7].noac2,&trains[7].nnac1,&trains[7].nnac2,&trains[7].nw);
k=0;
while(k<trains[7].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[7].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t8.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[8].noac1,&trains[8].noac2,&trains[8].nnac1,&trains[8].nnac2,&trains[8].nw);
k=0;
while(k<trains[8].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[8].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t9.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[9].noac1,&trains[9].noac2,&trains[9].nnac1,&trains[9].nnac2,&trains[9].nw);
k=0;
while(k<trains[9].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[9].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t10.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[10].noac1,&trains[10].noac2,&trains[10].nnac1,&trains[10].nnac2,&trains[10].nw);
k=0;
while(k<trains[10].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[10].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
file = fopen("./railway dbs/trains/t11.txt","r");
fscanf(file,"%d %d %d %d %d",&trains[11].noac1,&trains[11].noac2,&trains[11].nnac1,&trains[11].nnac2,&trains[11].nw);
k=0;
while(k<trains[11].nw)
{
t1=(struct waitlist*)malloc(sizeof(struct waitlist));
fscanf(file,"%s %lld",&t1->p_user,&t1->PNR);
if(k==0)
trains[11].wt=t1;
else
t2->next=t1;
t2=t1;
k++;
}
t2->next=NULL;
fclose(file);
}
system("dir/p");
}
void display_stations(){
printf("\n\t\t 1.Ariyalur\t\t18.Pudukkottai");
printf("\n\t\t 2.Chengalpattu\t\t19.Ramanathapuram");
printf("\n\t\t 3.Chennai\t\t20.Salem");
printf("\n\t\t 4.Coimbatore\t\t21.Sivaganga");
printf("\n\t\t 5.Cuddalore\t\t22.Tenkasi");
printf("\n\t\t 6.Dharmapuri\t\t23.Thanjavur");
printf("\n\t\t 7.Dindigul\t\t24.Theni");
printf("\n\t\t 8.Erode\t\t25.Thiruvannamalai");
printf("\n\t\t 9.Kanchipuram\t\t26.Thiruvarur");
printf("\n\t\t 10.Kanyakumari\t\t27.Thoothukudi");
printf("\n\t\t 11.Karur\t\t28.Tiruchirappalli");
printf("\n\t\t 12.Krishnagiri\t\t29.Tirunelveli");
printf("\n\t\t 13.Madurai\t\t30.Tiruppur");
printf("\n\t\t 14.Mayiladuthurai\t31.Tiruvallur");
printf("\n\t\t 15.Nagapattinam\t32.Vellore");
printf("\n\t\t 16.Namakkal\t\t33.Viluppuram");
printf("\n\t\t 17.Nilgiris\t\t34.Virudhunagar\n");
}
int* search_trains(int origin,int dest,int *n){
int i,chk,j=0;
int *lst=malloc(12*sizeof(int));
struct route *t;
for(i=0;i<12;i++){
chk=0;
t=trains[i].rt;
while(t!=NULL){
if(t->data==origin)
chk++;
else if(t->data==dest && chk==1){
chk++;
*(lst+j)=i;
j++;
break;
}
t=t->next;
}
}
*n=j;
return lst;
}
void display_route(int n){
struct route *t=trains[n].rt;
while(t!=NULL){
printf("\n\t\t%s\t\t%d:%d",stations[t->data],t->time[0],t->time[1]);
t=t->next;
}
}
void display_train(int n){
printf("%s",trains[n].name);
printf("\n\t\t Train No : %d",trains[n].train_no);
printf("\n\t\t From : %s",stations[trains[n].frto[0]]);
printf("\n\t\t To : %s",stations[trains[n].frto[1]]);
}
int main(){
database();
newdir();
startup();
}
void login(){
char user[20],pw[20],c,num[20];
char dir[100]="./railway dbs/";
int len,ch,i;
FILE *fptr;
redouser:
strcpy(dir,"./railway dbs/");
ch=0;
system("cls");
printf("\n\t\t __________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\t LOGIN\t \t |");
printf("\n\t\t|__________________________|");
printf("\n\n\t\tUSERNAME : ");
scanf("\n");
scanf("%[^\n]%*c",user);
len=strlen(user);
if(len>16 || len<6)
{
printf("\n\t\tWARNING : Username does not follow conditions. Retry.");
delay(1);
goto redouser;
}
for(i=0;i<len;i++)
{
if(isalnum(user[i])==0)
ch++;
}
if(ch!=0)
{
printf("\n\t\tWARNING : Username does not follow conditions. Retry.");
delay(1);
goto redouser;
}
strcat(dir,user);
strcat(dir,".txt");
if(cfileexists(dir)==0)
{
printf("\n\t\tWARNING : Username does not exists. Retry.");
delay(1);
goto redouser;
}
printf("\t\tPASSWORD : ");
i=0;
do{
pw[i]=getch();
if(pw[i]!='\r' && pw[i]!='\b'){
printf("*");
}
if(pw[i]=='\b' && i>0)
{
printf("\b \b");
i--;
}
else
i++;
if(i>16)
{
printf("\n\t\tWARNING : Exceeded 16 characters. Retry.");
delay(1);
goto redouser;
}
else if(i==1 && pw[i-1]=='\r')
{
printf("\n\t\tWARNING : Enter minimum of 8 characters. Retry.");
delay(1);
goto redouser;
}
if(pw[i-1]==' ')
{
printf("\n\t\tWARNING : Password should not contain <space>. Retry.");
delay(1);
goto redouser;
}
}while(pw[i-1]!='\r');
pw[i-1]='\0';
if(strlen(pw)<8)
{
printf("\n\t\tWARNING : Enter minimum of 8 characters. Retry.");
delay(1);
goto redouser;
}
printf("\n\n\t\tCONFIRM USERNAME & PASSWORD? (press Y to confirm. any other key to exit.) ");
c=getch();
if(c!='Y' && c!='y'){
printf("\n\t\tMESSAGE : Returning to MENU.");
delay(1);
startup();
}
else
{
fptr = fopen(dir, "r");
if(fptr == NULL)
{
printf("\n\n\t\tUnable to Login. Returning to Homepage");
startup();
}
fscanf(fptr,"%s", &num);
delay(1);
if(strcmp(num,pw)!=0)
{
printf("\n\t\tWARNING : Wrong password. Retry.");
delay(1);
goto redouser;
}
fclose(fptr);
system("cls");
printf("\n\t\t ____________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\t LOGGING IN\t |");
printf("\n\t\t|____________________________|");
delay(1);
mainmenu(user,pw);
}
}
void mainmenu(char user[20],char pw[20]){
char choice;
check=0;
retry:
system("cls");
printf("\n\t\t WELCOME, %s.\n",user);
printf("\n\t\t ________________________________________________");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t CHOOSE WHAT TO DO\t\t\t |");
printf("\n\t\t|\t _______________________________\t |");
printf("\n\t\t|\t|\t\t\t\t|\t |");
printf("\n\t\t|\t| 1. Book new tickets\t\t|\t |");
printf("\n\t\t|\t| 2. Cancel booked trips\t|\t |");
printf("\n\t\t|\t| 3. Check upcoming travels\t|\t |");
printf("\n\t\t|\t| 4. Check waitlist\t\t|\t |");
printf("\n\t\t|\t| 5. Logout\t\t |\t |");
printf("\n\t\t|\t|_______________________________|\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|________________________________________________|");
choice=getch();
switch(choice)
{
case '1':
newbooking(user,pw);
break;
case '2':
cancelbooking(user,pw);
break;
case '3':
check_upcoming(user,pw);
break;
case '4':
check_waitlist(user,pw);
break;
case '5':
startup();
break;
default:
printf("\n\n\t\tWARNING : INVALID INPUT. TRY AGAIN.");
delay(1);
goto retry;
break;
}
}
void signup(){
char user[20],pw[20],c;
char dir[100]="./railway dbs/";
int len,ch,i;
FILE *fptr;
redouser:
strcpy(dir,"./railway dbs/");
ch=0;
system("cls");
printf("\n\t\t __________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\t SIGN UP\t |");
printf("\n\t\t|__________________________|");
printf("\n\n\t\tNOTE : Username should consist of 6-16 characters\n\t\t [Only numbers and alphabets without space]");
printf("\n\n\t\tUSERNAME : ");
scanf("\n");
scanf("%[^\n]%*c",user);
len=strlen(user);
if(len>16 || len<6)
{
printf("\n\t\tWARNING : Username does not follow conditions. Retry.");
delay(1);
goto redouser;
}
for(i=0;i<len;i++)
{
if(isalnum(user[i])==0)
ch++;
}
if(ch!=0)
{
printf("\n\t\tWARNING : Username does not follow conditions. Retry.");
delay(1);
goto redouser;
}
strcat(dir,user);
strcat(dir,".txt");
if(cfileexists(dir)==1)
{
printf("\n\t\tWARNING : Username already exists. Retry.");
delay(1);
goto redouser;
}
printf("\t\tPASSWORD : ");
i=0;
do{
pw[i]=getch();
if(pw[i]!='\r' && pw[i]!='\b'){
printf("*");
}
if(pw[i]=='\b' && i>0)
{
printf("\b \b");
i--;
}
else
i++;
if(i>16)
{
printf("\n\t\tWARNING : Exceeded 16 characters. Retry.");
delay(1);
goto redouser;
}
else if(i==1 && pw[i-1]=='\r')
{
printf("\n\t\tWARNING : Enter minimum of 8 characters. Retry.");
delay(1);
goto redouser;
}
if(pw[i-1]==' ')
{
printf("\n\t\tWARNING : Password should not contain <space>. Retry.");
delay(1);
goto redouser;
}
}while(pw[i-1]!='\r');
pw[i-1]='\0';
if(strlen(pw)<8)
{
printf("\n\t\tWARNING : Enter minimum of 8 characters. Retry.");
delay(1);
goto redouser;
}
printf("\n\n\t\tCONFIRM USERNAME & PASSWORD? (press Y to confirm. any other key to exit.) ");
c=getch();
if(c!='Y' && c!='y'){
printf("\n\t\tMESSAGE : Returning to MENU.");
delay(1);
startup();
}
else
{
fptr = fopen(dir, "w");
if(fptr == NULL)
{
printf("\n\n\t\tUnable to create account. Returning to Homepage");
startup();
}
fputs(pw, fptr);
fclose(fptr);
system("cls");
printf("\n\t\t ____________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\t THANK YOU FOR\t |");
printf("\n\t\t|\t SIGNING UP\t |");
printf("\n\t\t|____________________________|");
delay(1);
mainmenu(user,pw);
}
}
void shutdown(){
FILE *file;
struct waitlist *t;
file = fopen("./railway dbs/trains/PNRdata.txt","w");
fprintf(file,"%lld",cPNR);
fclose(file);
file = fopen("./railway dbs/trains/t0.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[0].noac1,trains[0].noac2,trains[0].nnac1,trains[0].nnac2,trains[0].nw);
t=trains[0].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t1.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[1].noac1,trains[1].noac2,trains[1].nnac1,trains[1].nnac2,trains[1].nw);
t=trains[1].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t2.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[2].noac1,trains[2].noac2,trains[2].nnac1,trains[2].nnac2,trains[2].nw);
t=trains[2].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t3.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[3].noac1,trains[3].noac2,trains[3].nnac1,trains[3].nnac2,trains[3].nw);
t=trains[3].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t4.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[4].noac1,trains[4].noac2,trains[4].nnac1,trains[4].nnac2,trains[4].nw);
t=trains[4].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t5.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[5].noac1,trains[5].noac2,trains[5].nnac1,trains[5].nnac2,trains[5].nw);
t=trains[5].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t6.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[6].noac1,trains[6].noac2,trains[6].nnac1,trains[6].nnac2,trains[6].nw);
t=trains[6].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t7.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[7].noac1,trains[7].noac2,trains[7].nnac1,trains[7].nnac2,trains[7].nw);
t=trains[7].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t8.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[8].noac1,trains[8].noac2,trains[8].nnac1,trains[8].nnac2,trains[8].nw);
t=trains[8].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t9.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[9].noac1,trains[9].noac2,trains[9].nnac1,trains[9].nnac2,trains[9].nw);
t=trains[9].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t10.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[10].noac1,trains[10].noac2,trains[10].nnac1,trains[10].nnac2,trains[10].nw);
t=trains[10].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
file = fopen("./railway dbs/trains/t11.txt","w");
fprintf(file,"%d %d %d %d %d\n",trains[11].noac1,trains[11].noac2,trains[11].nnac1,trains[11].nnac2,trains[11].nw);
t=trains[11].wt;
while(t!=NULL)
{
fprintf(file,"%s %lld\n",t->p_user,t->PNR);
t=t->next;
}
fclose(file);
system("cls");
printf("\n\t\t ____________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\t THANK YOU FOR\t |");
printf("\n\t\t|\tUSING OUR SERVICE |");
printf("\n\t\t|____________________________|");
}
void startup(){
char choice;
system("cls");
system("color F0");
printf("\n\t\t ________________________________________________");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t WELCOME TO TN RAILWAY SERVICE\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t Here, you can book tickets for your\t |");
printf("\n\t\t|\t next journey without worrying about |");
printf("\n\t\t|\t safety and security. The data about |");
printf("\n\t\t|\t your travels are secured in your |");
printf("\n\t\t|\t personal Railway Passenger account |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|________________________________________________|");
printf("\n\n\t\tPress any to continue...... "); getch();
redo:
system("cls");
printf("\n\t\t ________________________________________________");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|\t CHOOSE YOUR OPTION\t\t\t |");
printf("\n\t\t|\t _______________________________\t |");
printf("\n\t\t|\t|\t\t\t\t|\t |");
printf("\n\t\t|\t| 1. Login to Existing Account\t|\t |");
printf("\n\t\t|\t| 2. Create New Account\t |\t |");
printf("\n\t\t|\t| 3. Exit\t |\t |");
printf("\n\t\t|\t|_______________________________|\t |");
printf("\n\t\t|\t\t\t\t\t\t |");
printf("\n\t\t|________________________________________________|");
choice=getch();
if(choice!='1'&&choice!='2'&&choice!='3')
{
printf("\n\t\tWarning : INVALID INPUT. TRY AGAIN\n");
delay(1);
goto redo;
}
else
{
if(choice=='1')
login();
else if(choice=='2')
signup();
else if(choice=='3')
shutdown();
}
}
int* search(char user[20],char pw[20],int c){
int choice,origin,dest,n_trains,i,*lst,*index=malloc(3*sizeof(int));
char option,ch;
if(c==0){
redo_origin :
system("cls");
printf("\n\t\t __________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\t NEW BOOKING\t |");
printf("\n\t\t|__________________________|");
printf("\n\n\t\t NOTE : Choose Where you wish to travel from.\n");
display_stations();
printf("\n\t\t CHOICE : ");
scanf("%d",&choice);
if(choice<=0 || choice>34){
printf("\n\t\t WARNING : INVALID OPTION. RETRY.");
delay(1);
goto redo_origin;
}
origin=choice-1;
redo_dest :
system("cls");
printf("\n\t\t __________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\t NEW BOOKING\t |");
printf("\n\t\t|__________________________|");
printf("\n\n\t\t NOTE : Choose Destination.\n");
display_stations();
printf("\n\t\t CHOICE : ");
scanf("%d",&choice);
if(choice<=0 || choice>34){
printf("\n\t\t WARNING : INVALID OPTION. RETRY.");
delay(1);
goto redo_dest;
}
dest=choice-1;
lst=search_trains(origin,dest,&n_trains);
system("cls");
printf("\n\t\t __________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\t NEW BOOKING\t |");
printf("\n\t\t|__________________________|");
if(n_trains==0){
printf("\n\t\t NOTE : NO DIRECT TRAINS FOUND");
printf("\n\t\t NOTE : PRESS Y TO VIEW TRAINS. ANY OTHER TO EXIT ");
option=getch();
if(option=='Y' || option=='y')
search(user,pw,1);
else{
check=1;}
}
else{
printf("\n");
for(i=0;i<n_trains;i++){
printf("\n\t\t %d. ",i+1);
display_train(*(lst+i));
}
printf("\n");
printf("\n\t\t NOTE : CHOOSE WHICH TRAIN TO BOOK. ANY OTHER KEY TO EXIT.");
option=getch();
choice=option-'0';
if(option<'1' || option>'9' || choice>n_trains || choice<0){
printf("\n\t\t\t WARNING : INVALID INPUT. RETURNING TO MENU");
check=1;
delay(1);
}
else{
choice=option-'0';
system("cls");
printf("\n\t\t __________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\tCONFIRM BOOKING\t |");
printf("\n\t\t|__________________________|");
printf("\n\n\t\tROUTE:");
printf("\n\t\t------");
printf("\n\t\tSTATIONS\t\tTIME");
printf("\n\t\t--------\t\t----");
display_route(*(lst+choice-1));
printf("\n\n\t\t NOTE : PRESS Y TO CONFIRM BOOKING. ANY OTHER TO EXIT.");
option=getch();
if(option=='Y' || option=='y'){
*index=origin;
*(index+1)=dest;
*(index+2)=*(lst+choice-1);
return index;
}
else{
check=1;
}
}}}
else if(c==1){
redoview:
system("cls");
printf("\n\t\t WELCOME, %s.\n",user);
system("cls");
printf("\n\t\t __________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\t NEW BOOKING\t |");
printf("\n\t\t|__________________________|");
printf("\n");
for(i=0;i<12;i++){
printf("\n\t\t%d. ",i+1);
display_train(i);
printf("\n");
}
printf("\n\n\t\t CHOOSE TRAIN : ");
scanf("%d",&choice);
if(choice<1 || choice>12){
printf("\n\t\t NOTE : INVALID INPUT. RETRY.");
goto redoview;
}
choice-=1;
printf("\n\t\t NOTE : PRESS 1 TO VIEW ROUTE. 0 TO BOOK.");
option=getch();
if(option!='1' && option!='0'){
printf("\n\t\t NOTE : INVALID INPUT. RETRY.");
goto redoview;
}
else if(option=='1'){
system("cls");
printf("\n\t\t __________________________");
printf("\n\t\t|\t\t\t |");
printf("\n\t\t|\tVIEW ROUTE\t |");
printf("\n\t\t|__________________________|");
printf("\n\n\t\tSTATIONS\t\tTIME");
printf("\n\t\t--------\t\t----");
display_route(choice);
printf("\n\n\t\t NOTE : PRESS 1 TO BOOK. 0 TO GO BACK. ANY OTHER TO EXIT. ");
ch=getch();
if(ch=='1'){
*index=trains[choice].frto[0];
*(index+1)=trains[choice].frto[1];
*(index+2)=choice;
return index;
}
else if(ch=='0')
goto redoview;
else{
check=1;}
}
else if(option=='0'){
*index=trains[choice].frto[0];
*(index+1)=trains[choice].frto[1];
*(index+2)=choice;
return index;
}
}
}
void database(){
struct route *t1,*t2;
//train 1 - Chennai to Kanyakumari
strcpy(trains[0].name,"Kanyakumari Superfast Express");
trains[0].frto[0]=2;trains[0].frto[1]=9;
trains[0].train_no=12674;
t1=(struct route*)malloc(sizeof(struct route));
t1->data=2;
trains[0].rt=t1;
t1->time[0]=17;t1->time[1]=15;
t2=(struct route*)malloc(sizeof(struct route));