sem/Csharp-eindproject
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Merge branch 'master' into setupBranch

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This commit is contained in:
Lars
2020-10-22 15:46:20 +02:00
parent cac0fdc0a4 d4d0545f0b
commit 1fdba622cc
10 changed files with 595 additions and 436 deletions
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104
Server/Models/ServerClient.cs
View File

@@ -6,6 +6,7 @@ using SharedClientServer;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Net.Sockets;
using System.Text;
using static SharedClientServer.JSONConvert;
@@ -45,48 +46,56 @@ namespace Server.Models
if (ar == null || (!ar.IsCompleted) || (!this.stream.CanRead) || !this.tcpClient.Client.Connected)
return;
int bytesReceived = this.stream.EndRead(ar);
if (totalBufferReceived > 2048)
try
{
throw new OutOfMemoryException("buffer is too small!");
}
int bytesReceived = this.stream.EndRead(ar);
// copy the received bytes into the buffer
Array.Copy(buffer, 0, totalBuffer, totalBufferReceived, bytesReceived);
// add the bytes we received to the total amount
totalBufferReceived += bytesReceived;
// calculate the expected length of the message
int expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
while (totalBufferReceived >= expectedMessageLength)
{
// we have received the full packet
byte[] message = new byte[expectedMessageLength];
// copy the total buffer contents into the message array so we can pass it to the handleIncomingMessage method
Array.Copy(totalBuffer, 0, message, 0, expectedMessageLength);
HandleIncomingMessage(message);
// move the contents of the totalbuffer to the start of the array
Array.Copy(totalBuffer, expectedMessageLength, totalBuffer, 0, (totalBufferReceived - expectedMessageLength));
// remove the length of the expected message from the total buffer
totalBufferReceived -= expectedMessageLength;
// and set the new expected length to the rest that is still in the buffer
expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
if (expectedMessageLength == 0)
if (totalBufferReceived + bytesReceived > 1024)
{
break;
}
throw new OutOfMemoryException("buffer is too small!");
}
// copy the received bytes into the buffer
Array.Copy(buffer, 0, totalBuffer, totalBufferReceived, bytesReceived);
// add the bytes we received to the total amount
totalBufferReceived += bytesReceived;
// calculate the expected length of the message
int expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
while (totalBufferReceived >= expectedMessageLength)
{
// we have received the full packet
byte[] message = new byte[expectedMessageLength];
// copy the total buffer contents into the message array so we can pass it to the handleIncomingMessage method
Array.Copy(totalBuffer, 0, message, 0, expectedMessageLength);
HandleIncomingMessage(message);
// move the contents of the totalbuffer to the start of the array
Array.Copy(totalBuffer, expectedMessageLength, totalBuffer, 0, (totalBufferReceived - expectedMessageLength));
// remove the length of the expected message from the total buffer
totalBufferReceived -= expectedMessageLength;
// and set the new expected length to the rest that is still in the buffer
expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
if (expectedMessageLength == 0)
{
break;
}
}
// start reading for a new message
stream.BeginRead(buffer, 0, buffer.Length, new AsyncCallback(OnRead), null);
}
// start reading for a new message
stream.BeginRead(buffer, 0, buffer.Length, new AsyncCallback(OnRead), null);
catch (IOException e)
{
tcpClient.Close();
ServerCommunication.INSTANCE.ServerClientDisconnect(this);
}
}
@@ -122,11 +131,15 @@ namespace Server.Models
string textUsername = combo.Item1;
string textMsg = combo.Item2;
Debug.WriteLine("[SERVERCLIENT] User name: {0}\t User message: {1}", textUsername, textMsg);
//Takes the data sent from the client, and then sets it in a data packet to be sent.
dynamic packet = new
{
username = textUsername,
message = textMsg
};
// todo handle sending to all except this user the username and message to display in chat
serverCom.SendToLobby(ServerCommunication.INSTANCE.GetLobbyForUser(User),payload);
Debug.WriteLine("Payload has been sent!");
//Sends the incomming message to be broadcast to all of the clients inside the current lobby.
serverCom.SendToLobby(serverCom.GetLobbyForUser(User), JSONConvert.GetMessageToSend(JSONConvert.MESSAGE, packet));
break;
case JSONConvert.LOBBY:
@@ -183,8 +196,15 @@ namespace Server.Models
break;
case LobbyIdentifier.JOIN:
int id = JSONConvert.GetLobbyID(payload);
ServerCommunication.INSTANCE.JoinLobby(this.User,id);
sendMessage(JSONConvert.ConstructLobbyJoinSuccessMessage());
bool isHost;
ServerCommunication.INSTANCE.JoinLobby(this.User,id, out isHost);
sendMessage(JSONConvert.ConstructLobbyJoinSuccessMessage(isHost));
ServerCommunication.INSTANCE.sendToAll(JSONConvert.ConstructLobbyListMessage(ServerCommunication.INSTANCE.lobbies.ToArray()));
break;
case LobbyIdentifier.LEAVE:
id = JSONConvert.GetLobbyID(payload);
ServerCommunication.INSTANCE.LeaveLobby(User, id);
sendMessage(JSONConvert.ConstructLobbyLeaveMessage(id));
ServerCommunication.INSTANCE.sendToAll(JSONConvert.ConstructLobbyListMessage(ServerCommunication.INSTANCE.lobbies.ToArray()));
break;
}

73
Server/Models/ServerCommunication.cs
View File

@@ -16,6 +16,7 @@ namespace Server.Models
public bool Started = false;
public List<Lobby> lobbies;
private Dictionary<Lobby, List<ServerClient>> serverClientsInlobbies;
internal Action DisconnectClientAction;
public Action newClientAction;
@@ -97,6 +98,26 @@ namespace Server.Models
}
}
public void ServerClientDisconnect(ServerClient serverClient)
{
Debug.WriteLine("[SERVERCOMM] handling disconnect");
DisconnectClientAction?.Invoke();
int id = -1;
foreach (Lobby l in serverClientsInlobbies.Keys)
{
if (serverClientsInlobbies[l].Contains(serverClient))
{
id = l.ID;
}break;
}
if (id != -1)
{
LeaveLobby(serverClient.User, id);
SendToAllExcept(serverClient, JSONConvert.ConstructLobbyLeaveMessage(id));
}
}
public void SendToAllExcept(string username, byte[] message)
{
foreach (ServerClient sc in serverClients)
@@ -105,6 +126,14 @@ namespace Server.Models
}
}
public void SendToAllExcept(ServerClient sc, byte[] message)
{
foreach (ServerClient s in serverClients)
{
if (s != sc) s.sendMessage(message);
}
}
public void SendToLobby(Lobby lobby, byte[] message)
{
foreach (Lobby l in lobbies)
@@ -161,6 +190,7 @@ namespace Server.Models
}
}
public int HostForLobby(User user)
{
Lobby lobby = new Lobby( lobbies.Count + 1,0, 8);
@@ -171,12 +201,18 @@ namespace Server.Models
return lobby.ID;
}
public void JoinLobby(User user, int id)
public void JoinLobby(User user, int id, out bool isHost)
{
isHost = false;
foreach (Lobby l in lobbies)
{
if (l.ID == id)
{
if (l.Users.Count == 0)
{
user.Host = true;
isHost = true;
}
AddToLobby(l, user);
Debug.WriteLine($"{user.Username} joined lobby with id {id}");
break;
@@ -184,6 +220,41 @@ namespace Server.Models
}
}
public void LeaveLobby(User user, int id)
{
Debug.WriteLine("[SERVERCOMM] removing user from lobby");
foreach (Lobby l in lobbies)
{
if (l.ID == id)
{
Debug.WriteLine($"[SERVERCOMM] checking for lobby with id {l.ID}");
foreach (User u in l.Users)
{
Debug.WriteLine($"[SERVERCOMM] checking if {u.Username} is {user.Username} ");
// contains doesn't work, so we'll do it like this...
if (u.Username == user.Username)
{
Debug.WriteLine("[SERVERCOMM] removed user from lobby!");
l.Users.Remove(user);
foreach (ServerClient sc in serverClients)
{
if (sc.User.Username == user.Username)
{
serverClientsInlobbies[l].Remove(sc);
break;
}
}
break;
}
}
}
}
}
public void CloseALobby(int lobbyID)
{
foreach (Lobby lobby in lobbies)

4
Server/ViewModels/MainViewModel.cs
View File

@@ -33,6 +33,10 @@ namespace Server.ViewModels
{
InformationModel.ClientsConnected++;
};
serverCommunication.DisconnectClientAction = () =>
{
InformationModel.ClientsConnected--;
};
//BitmapImage onlineImg = new BitmapImage(new Uri(@"/img/online.png",UriKind.Relative));
//BitmapImage offlineImg = new BitmapImage(new Uri(@"/img/offline.png", UriKind.Relative));