private void SendFile(string absolutePath, string fileName, Client client)
{
FileStream fileStream = new FileStream(absolutePath, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[maxSegmentSize];
long length = fileStream.Length;
long segmentCount = 1;
long totalSegments = (long)Math.Ceiling((double)length / buffer.Length);
long pos = 0;
Console.WriteLine("File length: " + length);
while (pos < length)
{
int bytesRead = fileStream.Read(buffer, 0, buffer.Length);
byte[] data = new byte[bytesRead];
Array.Copy(buffer, 0, data, 0, bytesRead);
FyzrPacket packet = FileProtocol.CreateFilePacket(data, fileName, MessageProtocol.MessageType.PRIVATE, null);
packet.headers.Add("Total-Length", "" + length);
packet.headers.Add("Total-Segments", "" + totalSegments);
packet.headers.Add("Segment", "" + segmentCount);
packet.headers.Add("Position", "" + pos);
client.SendRandom(FyzrParser.ToData(packet));
pos += buffer.Length;
Console.WriteLine("Count: " + segmentCount++);
Console.WriteLine("Bytes read: " + bytesRead);
}
}
internal void SendMessage(ChatWindow chatWindow, TextMessage msg)
{
var client = chats.FirstOrDefault(x => x.Value == chatWindow).Key;
var packet = TextProtocol.CreateTextPacket(msg.Text, MessageProtocol.MessageType.PRIVATE, null);
packet.headers.Add("Username", ownUsername);
client.SendOrdered(FyzrParser.ToData(packet));
}
public void SendDisconnect()
{
FyzrPacket packet = new FyzrPacket();
packet.method = FyzrPacket.Method.COMMAND;
packet.headers.Add("Command-Type", "disconnect");
packet.headers.Add("Username", ownUsername);
coordinator.SendOrdered(FyzrParser.ToData(packet));
}
public void RequestUsersList()
{
FyzrPacket packet = new FyzrPacket();
packet.method = FyzrPacket.Method.COMMAND;
packet.headers.Add("Command-Type", "requestUsersUpdate");
packet.headers.Add("Listener-Port", "" + ownServer.listener.LocalEndpoint.ToString().Split(':')[1]);
coordinator.SendOrdered(FyzrParser.ToData(packet));
}
private void Coordinator_PacketReceived(object sender, Core.Events.PacketFullyReceivedEventArgs e)
{
FyzrPacket packet = FyzrParser.FromData(e.Packet.data.ToArray());
if (packet.method == FyzrPacket.Method.COMMAND)
{
string cmdType = packet.headers["Command-Type"];
if (cmdType.Equals("usersList"))
{
users.Clear();
Encoding enc = Encoding.GetEncoding(packet.headers["Content-Encoding"]);
if (packet.body != null)
{
string body = enc.GetString(packet.body);
string[] lines = body.Split('\n');
foreach (string line in lines)
{
string[] splitted = line.Trim().Split('#');
string[] endPoint = splitted[1].Split(':');
users.Add(new User()
{
Username = splitted[0], Endpoint = new IPEndPoint(IPAddress.Parse(endPoint[0]), Convert.ToInt32(endPoint[1]))
});
}
var handler = UsersListReceived;
if (handler != null)
{
handler(this, new UsersListReceivedEventArgs());
}
}
else
{
var handler = UsersListReceived;
if (handler != null)
{
handler(this, new UsersListReceivedEventArgs());
}
}
if (requestThread == null)
{
requestThread = new Thread(RunRequestThread);
requestThread.Start();
}
}
}
}
private void btnServerSend_Click(object sender, RoutedEventArgs e)
{
if (txtServerMessage.Text.Trim().Length == 0)
{
MessageBox.Show("Enter some text first");
return;
}
string message = txtServerMessage.Text;
Client client = fromClients[0];
client.SendOrdered(
FyzrParser.ToData(
TextProtocol.CreateTextPacket(message, MessageProtocol.MessageType.PRIVATE, null)
));
Dispatcher.Invoke(() => { listServerMessages.Items.Add("Alice: " + message); });
}
public bool RegisterNickname(string nickname, string coordinatorIp, int coordinatorPort)
{
ownUsername = nickname;
coordinatorEndpoint = new IPEndPoint(IPAddress.Parse(coordinatorIp), coordinatorPort);
coordinator.StartConnect(coordinatorEndpoint);
Thread.Sleep(10);
coordinator.PacketReceived += Coordinator_PacketReceived;
FyzrPacket packet = new FyzrPacket();
packet.method = FyzrPacket.Method.COMMAND;
packet.headers.Add("Command-Type", "requestUsers");
packet.headers.Add("Username", nickname);
packet.headers.Add("Listener-Port", "" + ownServer.listener.LocalEndpoint.ToString().Split(':')[1]);
coordinator.SendOrdered(FyzrParser.ToData(packet));
return(true);
}
internal void SendMediaFile(ChatWindow chatWindow, string absolutePath, string fileName, MediaMessage msg)
{
var client = chats.FirstOrDefault(x => x.Value == chatWindow).Key;
FileStream fileStream = new FileStream(absolutePath, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[maxSegmentSize];
long length = fileStream.Length;
long segmentCount = 1;
long sizeCount = 0;
long totalSegments = (long)Math.Ceiling((double)length / buffer.Length);
long pos = 0;
Console.WriteLine("File length: " + length);
while (pos < length)
{
int bytesRead = fileStream.Read(buffer, 0, buffer.Length);
sizeCount += bytesRead;
byte[] data = new byte[bytesRead];
Array.Copy(buffer, 0, data, 0, bytesRead);
FyzrPacket packet = FileProtocol.CreateFilePacket(data, fileName, MessageProtocol.MessageType.PRIVATE, null);
packet.headers.Add("Total-Length", "" + length);
packet.headers.Add("Total-Segments", "" + totalSegments);
packet.headers.Add("Segment", "" + segmentCount);
packet.headers.Add("Position", "" + pos);
packet.headers.Add("File-Type", "Media");
packet.headers.Add("Username", ownUsername);
client.SendRandom(FyzrParser.ToData(packet));
msg.Loading = ((double)segmentCount * 100.0 / totalSegments);
msg.Progress = SizeSuffix(sizeCount) + "/" + SizeSuffix(length);
pos += buffer.Length;
Console.WriteLine("Count: " + segmentCount++);
Console.WriteLine("Bytes read: " + bytesRead);
Thread.Sleep(2);
}
}
private void Client_PacketReceived(object sender, DS_Chat_CS1.Core.Events.PacketFullyReceivedEventArgs e)
{
//Console.WriteLine("Received something");
var client = sender as Client;
FyzrPacket packet = FyzrParser.FromData(e.Packet.data.ToArray());
if (packet.method == FyzrPacket.Method.COMMAND)
{
string cmdType = packet.headers["Command-Type"];
if (cmdType.Equals("requestUsers"))
{
if (!packet.headers.ContainsKey("Username"))
{
return;
}
string username = packet.headers["Username"].Trim();
if (username.Length == 0)
{
return;
}
int port = Convert.ToInt32(packet.headers["Listener-Port"]);
/*
* Username#Endpoint#Room
*
*/
string response = "";
foreach (var user in users)
{
response += user.ToString() + '\n';
}
response = response.Trim();
IPEndPoint endPoint = new IPEndPoint(client.GetRemoteEndPoint().Address, port);
var u = new UserObject()
{
Username = username, Endpoint = endPoint, Room = null, client = client
};
users.Add(u);
u.lastReceived = DateTime.Now;
FyzrPacket responsePacket = new FyzrPacket();
responsePacket.method = FyzrPacket.Method.COMMAND;
responsePacket.headers.Add("Content-Encoding", Encoding.Default.WebName);
responsePacket.body = Encoding.Default.GetBytes(response);
responsePacket.headers.Add("Content-Length", "" + responsePacket.body.Length);
responsePacket.headers.Add("Command-Type", "usersList");
client.SendOrdered(FyzrParser.ToData(responsePacket));
}
else if (cmdType.Equals("requestUsersUpdate"))
{
int port = Convert.ToInt32(packet.headers["Listener-Port"]);
IPEndPoint endPoint = new IPEndPoint(client.GetRemoteEndPoint().Address, port);
var u = users.Find(x => x.Endpoint.Equals(endPoint));
u.lastReceived = DateTime.Now;
string response = "";
foreach (var user in users)
{
if (user != u)
{
response += user.ToString() + '\n';
}
}
response = response.Trim();
FyzrPacket responsePacket = new FyzrPacket();
responsePacket.method = FyzrPacket.Method.COMMAND;
responsePacket.headers.Add("Content-Encoding", Encoding.Default.WebName);
responsePacket.body = Encoding.Default.GetBytes(response);
responsePacket.headers.Add("Content-Length", "" + responsePacket.body.Length);
responsePacket.headers.Add("Command-Type", "usersList");
client.SendOrdered(FyzrParser.ToData(responsePacket));
}
else if (cmdType.Equals("disconnect"))
{
Console.WriteLine("Disconnect received");
client.Disconnect();
}
}
}
private void Client_PacketReceived(object sender, Core.Events.PacketFullyReceivedEventArgs e)
{
FyzrPacket packet = FyzrParser.FromData(e.Packet.data.ToArray());
Client client = sender as Client;
string username = packet.headers["Username"];
if (!chats.ContainsKey(client))
{
Application.Current.Dispatcher.Invoke(() =>
{
ChatWindow chatWindow = new ChatWindow();
chatWindow.SetTitle(username);
chatWindow.ShowWindow();
chats.Add(client, chatWindow);
});
}
if (packet.method == FyzrPacket.Method.TEXT)
{
Encoding enc = Encoding.GetEncoding(packet.headers["Content-Encoding"]);
string message = enc.GetString(packet.body);
TextMessage msg = new TextMessage()
{
Side = MessageSide.You,
Text = message
};
chats[client].AddTextMessage(msg);
}
else if (packet.method == FyzrPacket.Method.FILE)
{
lock (lockk)
{
string fileName = packet.headers["Filename"];
long segmentLength = Convert.ToInt64(packet.headers["Content-Length"]);
long segmentCount = Convert.ToInt64(packet.headers["Segment"]);
long totalSegments = Convert.ToInt64(packet.headers["Total-Segments"]);
long totalLength = Convert.ToInt64(packet.headers["Total-Length"]);
long pos = Convert.ToInt64(packet.headers["Position"]);
string path = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\TestReceived";
System.IO.Directory.CreateDirectory(path);
path += @"\" + fileName;
string fileType = packet.headers["File-Type"];
if (fileType.Equals("Image"))
{
if (!imageFilesMap.ContainsKey(client))
{
imageFilesMap.Add(client, new List <ImageFile>());
}
ImageFile imageFile = imageFilesMap[client].FirstOrDefault(x => x.fileName.Equals(fileName));
if (imageFile == null)
{
imageFile = new ImageFile()
{
fileName = fileName,
segmentsCount = 0,
sizeCount = 0,
stream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None),
imageMessage = chats[client].CreateImageMessage(fileName)
};
imageFile.stream.SetLength(totalLength);
imageFilesMap[client].Add(imageFile);
}
imageFile.segmentsCount++;
imageFile.sizeCount += segmentLength;
imageFile.stream.Seek(pos, SeekOrigin.Begin);
imageFile.stream.Write(packet.body, 0, packet.body.Length);
if (imageFile.segmentsCount == totalSegments)
{
imageFile.stream.Flush();
imageFile.stream.Close();
imageFile.stream = null;
imageFile.imageMessage.ImageUrl = path;
Console.WriteLine("Done file");
imageFilesMap[client].Remove(imageFile);
}
imageFile.imageMessage.Loading = ((double)imageFile.segmentsCount * 100.0 / totalSegments);
imageFile.imageMessage.Progress = SizeSuffix(imageFile.sizeCount) + "/" + SizeSuffix(totalLength);
}
else if (fileType.Equals("Media"))
{
if (!mediaFilesMap.ContainsKey(client))
{
mediaFilesMap.Add(client, new List <MediaFile>());
}
MediaFile mediaFile = mediaFilesMap[client].FirstOrDefault(x => x.fileName.Equals(fileName));
if (mediaFile == null)
{
try
{
mediaFile = new MediaFile()
{
fileName = fileName,
segmentsCount = 0,
sizeCount = 0,
stream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None),
mediaMessage = chats[client].CreateMediaMessage(fileName)
};
mediaFile.stream.SetLength(Convert.ToInt64(packet.headers["Total-Length"]));
mediaFilesMap[client].Add(mediaFile);
} catch (Exception ex)
{
Console.WriteLine("EXCEPTION: " + ex.ToString());
Console.WriteLine("media map size: " + mediaFilesMap[client].Count);
}
}
mediaFile.segmentsCount++;
mediaFile.sizeCount += segmentLength;
mediaFile.stream.Seek(pos, SeekOrigin.Begin);
mediaFile.stream.Write(packet.body, 0, packet.body.Length);
if (mediaFile.segmentsCount == totalSegments)
{
mediaFile.stream.Flush();
mediaFile.stream.Close();
mediaFile.stream = null;
mediaFile.mediaMessage.MediaUrl = path;
Console.WriteLine("Done file");
mediaFilesMap[client].Remove(mediaFile);
}
mediaFile.mediaMessage.Loading = ((double)mediaFile.segmentsCount * 100.0 / totalSegments);
mediaFile.mediaMessage.Progress = SizeSuffix(mediaFile.sizeCount) + "/" + SizeSuffix(totalLength);
}
}
}
}
private void OnPacketReceived(object sender, PacketFullyReceivedEventArgs e)
{
Console.WriteLine("Received Packet in MainWindow");
List <byte> data = e.Packet.data;
FyzrPacket packet = FyzrParser.FromData(data.ToArray());
switch (packet.method)
{
case FyzrPacket.Method.TEXT:
Encoding enc = Encoding.GetEncoding(packet.headers["Content-Encoding"]);
string message = enc.GetString(packet.body);
if (toClients.Count != 0 && sender == toClients[0]) //From Alice
{
Dispatcher.Invoke(() => { listClientMessages.Items.Add("Alice: " + message); });
}
else
{
Dispatcher.Invoke(() => { listServerMessages.Items.Add("Bob: " + message); });
}
break;
case FyzrPacket.Method.FILE:
lock (filesMap)
{
string fileName = packet.headers["Filename"];
string path = @"D:\College\AAST\Sixth semester\" + fileName;
FileStream fs;
if (!filesMap.ContainsKey(fileName))
{
filesMap.Add(fileName, new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None));
filesMap[fileName].SetLength(Convert.ToInt32(packet.headers["Total-Length"]));
filesSegmentsMap.Add(fileName, 0);
}
fs = filesMap[fileName];
filesSegmentsMap[fileName]++;
int segmentLength = Convert.ToInt32(packet.headers["Content-Length"]);
int segmentCount = Convert.ToInt32(packet.headers["Segment"]);
int totalSegments = Convert.ToInt32(packet.headers["Total-Segments"]);
long pos = Convert.ToInt32(packet.headers["Position"]);
fs.Seek(pos, SeekOrigin.Begin);
fs.Write(packet.body, 0, packet.body.Length);
if (filesSegmentsMap[fileName] == totalSegments)
{
fs.Flush();
fs.Close();
fs = null;
filesMap.Remove(fileName);
filesSegmentsMap.Remove(fileName);
Console.WriteLine("Done file");
}
}
Dispatcher.Invoke(() =>
{
int count = Convert.ToInt32(lblSecondSegments.Content);
count++;
lblSecondSegments.Content = count;
});
//Dispatcher.Invoke(() =>
//{
// int count = Convert.ToInt32(lblServerSegments.Content);
// count++;
// lblServerSegments.Content = count;
//});
break;
}
}
