public override void Send(MessageType msgType, NetworkStream stream, object options)
{
BinaryWriter writer = new BinaryWriter(stream);
switch (msgType)
{
case MessageType.ConnectionAsk:
{
byte[] userTable = SimpleFormatters.ObjectToBytes(options);
int len = userTable.Length;
writer.Write(len);
writer.Write(userTable);
break;
}
case MessageType.ConnectionUserAdded:
{
byte[] userBytes = SimpleFormatters.ObjectToBytes(options);
int len = userBytes.Length;
writer.Write(len);
writer.Write(userBytes);
break;
}
case MessageType.ConnectionAccepted:
case MessageType.LoggedIn:
case MessageType.LoggedOut:
case MessageType.IsAlive:
{
StreamWriter nickWriter = new StreamWriter(stream);
nickWriter.WriteLine((string)options);
nickWriter.Close();
break;
}
default:
writer.Close();
break;
}
}
public override void Receive(MessageType msgType, NetworkStream stream, IPAddress owner)
{
BinaryReader reader = new BinaryReader(stream);
StreamReader nickReader = new StreamReader(stream);
switch (msgType)
{
case MessageType.ConnectionAsk:
{
int len = reader.ReadInt32();
byte[] userTable = reader.ReadBytes(len);
User[] table = (User[])SimpleFormatters.BytesToObject(userTable);
AskedConnection(this, new ReceivedMessageEventArgs(msgType, table, owner));
break;
}
case MessageType.ConnectionUserAdded:
{
int len = reader.ReadInt32();
byte[] userBytes = reader.ReadBytes(len);
User newUser = (User)SimpleFormatters.BytesToObject(userBytes);
NewUserAdded(this, new ReceivedMessageEventArgs(msgType, newUser, owner));
break;
}
case MessageType.ConnectionAccepted:
{
string nickname = nickReader.ReadLine();
AcceptedConnection(this, new ReceivedMessageEventArgs(msgType, nickname, owner));
break;
}
case MessageType.ConnectionCanceled:
{
string nickname = nickReader.ReadLine();
CanceledConnection(this, new ReceivedMessageEventArgs(msgType, nickname, owner));
break;
}
case MessageType.ConnectionClosed:
{
ClosedConnection(this, new ReceivedMessageEventArgs(msgType, owner));
break;
}
case MessageType.LoggedIn:
{
string nickname = nickReader.ReadLine();
UserLoggedIn(this, new ReceivedMessageEventArgs(msgType, nickname, owner));
break;
}
case MessageType.LoggedOut:
{
string nickname = nickReader.ReadLine();
UserLoggedOut(this, new ReceivedMessageEventArgs(msgType, nickname, owner));
break;
}
case MessageType.IsAlive:
{
string nickname = nickReader.ReadLine();
AliveUser(this, new ReceivedMessageEventArgs(msgType, nickname, owner));
break;
}
case MessageType.Echo:
{
Send(MessageType.IsAlive, stream, Program.localUser.Nickname);
break;
}
default:
break;
}
reader.Close();
nickReader.Close();
}
public override void Send(MessageType msgType, NetworkStream stream, object options)
{
BinaryWriter writer = new BinaryWriter(stream);
switch (msgType)
{
case MessageType.FilesTableAvailable:
{
AvailableFiles.Clear();
AvailableFiles.AddRange((string[])options);
List <string> temp = new List <string>();
string[] files = (string[])options;
foreach (string file in files)
{
FileInfo f = new FileInfo(file);
long size = f.Length;
temp.Add(String.Concat(file, " ", size.ToString()));
}
byte[] buffer = SimpleFormatters.ObjectToBytes(temp);
byte[] count = BitConverter.GetBytes(buffer.Length);
writer.Write(count, 0, 4);
writer.Write(buffer, 0, buffer.Length);
break;
}
case MessageType.FilesAsk:
{
byte[] buffer = SimpleFormatters.ObjectToBytes(options);
byte[] count = BitConverter.GetBytes(buffer.Length);
writer.Write(count, 0, 4);
writer.Write(buffer, 0, buffer.Length);
break;
}
case MessageType.FileDataFirst:
{
char[] symbols = ((string)options).ToCharArray();
byte[] buffer = System.Text.Encoding.Unicode.GetBytes(symbols);
byte[] count = BitConverter.GetBytes(buffer.Length);
writer.Write(count, 0, 4);
writer.Write(buffer, 0, buffer.Length);
break;
}
case MessageType.FileData:
{
byte[] buffer = (byte[])options;
byte[] count = BitConverter.GetBytes(buffer.Length);
writer.Write(count, 0, 4);
writer.Write(buffer, 0, buffer.Length);
break;
}
case MessageType.FileDataLast:
{
break;
}
default:
{
break;
}
}
}
public override void Receive(MessageType msgType, NetworkStream stream, IPAddress owner)
{
switch (msgType)
{
case MessageType.FilesTableAvailable:
{
byte[] count = new byte[4];
stream.Read(count, 0, 4);
int size = BitConverter.ToInt32(count, 0);
byte[] buffer = new byte[size];
stream.Read(buffer, 0, size);
object filesData = SimpleFormatters.BytesToObject(buffer);
RecievedFileTable(this, new ReceivedMessageEventArgs(MessageType.FilesTableAvailable, filesData, owner));
break;
}
case MessageType.FilesAsk:
{
byte[] count = new byte[4];
stream.Read(count, 0, 4);
int size = BitConverter.ToInt32(count, 0);
byte[] buffer = new byte[size];
stream.Read(buffer, 0, size);
string file = (string)SimpleFormatters.BytesToObject(buffer);
FileServerULMessage msg = new FileServerULMessage(file, owner);
UploadQueue.Enqueue(msg);
if (Sending == false)
{
this.AfterConnectionClosed += new Action(StartUploadFile);
}
break;
}
case MessageType.FileDataFirst:
{
byte[] count = new byte[4];
stream.Read(count, 0, 4);
int len = BitConverter.ToInt32(count, 0);
byte[] buffer = new byte[len];
stream.Read(buffer, 0, len);
char[] symbols = new char[len];
symbols = System.Text.Encoding.Unicode.GetChars(buffer);
string[] words = new string(symbols).Split();
string name = String.Join(" ", words, 0, words.Length - 1);
long lenght = Convert.ToInt64(words[words.Length - 1]);
FileServerDLMessage thisFIle = new FileServerDLMessage(name, SaveDirs[name], owner, lenght);
if (Writing == true)
{
DownloadQueue.Enqueue(thisFIle);
}
else
{
StartWriteFile(thisFIle);
}
break;
}
case MessageType.FileData:
{
byte[] count = new byte[4];
stream.Read(count, 0, 4);
int len = BitConverter.ToInt32(count, 0);
byte[] buffer = new byte[len];
int readed = 0, offset = 0, toRead = len;
while (true)
{
readed += stream.Read(buffer, offset, toRead);
if (readed < len)
{
offset = readed;
toRead = len - readed;
}
else
{
break;
}
}
AppendToFile(buffer);
break;
}
case MessageType.FileDataLast:
{
CloseFile();
break;
}
default:
{
break;
}
}
}
