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proj5.cpp
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proj5.cpp
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/* Remi Trettin COP4530 Assignment 5 */
#include <iostream>
#include <string>
#include <utility>
#include <cstdlib>
#include <cctype>
#include "passserver.h"
using namespace std;
using namespace cop4530;
void Menu();
int main() {
char input = 'z'; // menu choice
char passwordFileName[250];
string newUsername, newPassword, delUsername, changeUsername, changePassword;
int tableCap = -1; // hash table size
while(tableCap < 1) { //prompt for a correct hash table size
cout << "Enter preferred hash table capacity: ";
cin >> tableCap;
if(tableCap < 1) {
cout << "NO: Hash table capacity must be 1 or more." << endl;
}
}
PassServer server(tableCap); //create table
do {
Menu();
cin >> input;
input = tolower(input);
switch(input) {
case 'l':
cout << "Enter password file name to load from: ";
cin >> passwordFileName;
if(!server.load(passwordFileName)) {
cout << "NO: Cannot open file " << passwordFileName << "." << endl;
}
break;
case 'a':
cout << "Enter username: ";
cin >> newUsername;
cout << "Enter password: ";
cin >> newPassword;
if(server.addUser(make_pair(newUsername, newPassword))) {
cout << "User " << newUsername << " added." << endl;
}else{
cout << "User " << newUsername << " NOT added." << endl;
}
break;
case 'r':
cout << "Enter username: ";
cin >> delUsername;
if(server.removeUser(delUsername)) {
cout << "User " << delUsername << " removed." << endl;
}else{
cout << "User " << delUsername << " NOT removed." << endl;
}
break;
case 'c':
cout << "Enter username: ";
cin >> changeUsername;
cout << "Enter current password: ";
cin >> changePassword;
cout << "Enter new password: ";
cin >> newPassword;
if(server.changePassword(make_pair(changeUsername, changePassword), newPassword)) {
cout << "Password changed for user " << changeUsername << endl;
}else{
cout << "Password NOT changed for user " << changeUsername << endl;
}
break;
case 'f':
cout << "Enter username: ";
cin >> newUsername;
if(server.find(newUsername)) {
cout << "User '" << newUsername << "' found." << endl;
}else{
cout << "User '" << newUsername << "' NOT found." << endl;
}
break;
case 'd':
server.dump();
break;
case 's':
cout << "Size of hashtable: " << server.size() << endl;
break;
case 'w':
cout << "Enter password file name to write to: ";
cin >> passwordFileName;
if(!server.write_to_file(passwordFileName)) {
cout << "NO: File not written." << endl;
}
break;
case 'x':
break;
default:
cout << "NO: Invalid menu option." << endl;
break;
}
}while(input != 'x');
return 0;
}
void Menu() {
cout << "\n\n";
cout << "l - Load From File" << endl;
cout << "a - Add User" << endl;
cout << "r - Remove User" << endl;
cout << "c - Change User Password" << endl;
cout << "f - Find User" << endl;
cout << "d - Dump HashTable" << endl;
cout << "s - HashTable Size" << endl;
cout << "w - Write to Password File" << endl;
cout << "x - Exit program" << endl;
cout << "\nEnter choice : ";
}