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using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
namespace PasswordCrackerServer
{
class Program
{
static int NumberOfClients = 1;
static void Main(string[] args)
{
List<UserInfo> userInfos = PasswordFileHandler.ReadPasswordFile("passwords.txt");
List<clientConnection> clients = new List<clientConnection>();
List<string> allChunks = new List<string>();
string users = "";
foreach (UserInfo u in userInfos)
users += u + "|";
var dictionary = File.ReadAllText("webster-dictionary.txt");
dictionary = dictionary.Replace("\r\n", "|");
var splitDictionary = SplitDictionary(dictionary);
for (int i = 0; i < splitDictionary.GetLength(0); i++)
{
StringBuilder chunk = new StringBuilder();
for (int j = 0; j < splitDictionary.GetLength(1); j++)
{
chunk.Append(splitDictionary[i, j]);
chunk.Append('|');
}
allChunks.Add(chunk.ToString());
}
IPAddress ip = IPAddress.Any;
TcpListener serversocket = new TcpListener(ip, 6789);
serversocket.Start();
Console.WriteLine("Server started.");
int counter = 0;
while (true)
{
if (clients.Count == NumberOfClients)
{
string[] returnedResult = RunAsync(clients).Result;
foreach (string s in returnedResult)
Console.WriteLine(s);
}
else
{
TcpClient connectionSocket = serversocket.AcceptTcpClient();
Console.WriteLine("Client connected.");
clients.Add(new clientConnection(connectionSocket, allChunks[counter], users));
counter++;
}
}
serversocket.Stop();
}
private static string[,] SplitDictionary(string dictionary)
{
string[] dicWords = dictionary.Split('|');
int dicWordsLength = dicWords.Length;
string[,] splitDictionary = new string[NumberOfClients, dicWordsLength / NumberOfClients];
int offset = 0;
int j = 0;
for (int i = 0; i < NumberOfClients; i++)
{
while (j < dicWordsLength / NumberOfClients)
{
splitDictionary[i, j] = dicWords[j + offset];
j++;
}
offset += dicWordsLength / NumberOfClients;
j = 0;
}
return splitDictionary;
}
public static async Task<string[]> RunAsync(List<clientConnection> clients)
{
List<Task<string>> tasks = new List<Task<string>>();
for (int i = 0; i < NumberOfClients; i++)
tasks[i] = clients[i].SendToClient();
string[] result = await Task.WhenAll(tasks);
/*
var C1 = await C1task;
var C2 = await C2task;
var C3 = await C3task;
var C4 = await C4task;
var C5 = await C5task;
*/
return result;
}
}
}
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