private void StartUploadFile()
{
FileServerULMessage msg = UploadQueue.Dequeue();
AfterConnectionClosed -= StartUploadFile;
Sending = true;
bool answer = false;
foreach (string path in AvailableFiles)
{
if (path.EndsWith(msg.TargetFile))
{
answer = true;
break;
}
}
if (answer)
{
FileInfo info = new FileInfo(msg.TargetFile);
SendToOne(MessageType.FileDataFirst, info.Name + " " + info.Length.ToString(), msg.target);
long len = info.Length;
FileStream reader = new FileStream(msg.TargetFile, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[Default.def_buffer_size];
long writed = 0;
double status = 0;
while (len > Default.def_buffer_size)
{
writed += reader.Read(buffer, 0, Default.def_buffer_size);
SendToOne(MessageType.FileData, buffer, msg.target);
len = len - Default.def_buffer_size;
status = writed / info.Length;
SendedFile(this, new FileServerNotificationEventArgs(status, info.Name, msg.target));
}
byte[] subBuffer = new byte[(Int32)len];
reader.Read(subBuffer, 0, (Int32)len);
SendToOne(MessageType.FileData, subBuffer, msg.target);
SendToOne(MessageType.FileDataLast, null, msg.target);
status = 1;
reader.Close();
SendedFile(this, new FileServerNotificationEventArgs(status, info.Name, msg.target));
}
if (UploadQueue.Count > 0)
{
StartUploadFile();
}
else
{
Sending = false;
}
}
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;
}
}
}
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;
}
}
}