/*
* Function of clipSender thread. This thread will stay blocked waiting for a condition variable set, performed by the main thread
* when the user perform a copy/cut operation.
*/
private void clipSenderFunction()
{
message msg = new message();
byte[] data = null;
while (enableClipSender) /*This function runs until the Application is active or the user makes a click on StopServerButton.*/
{
try
{
send.WaitOne(); /* Wait for a notification from the main thread */
if (!enableClipSender) /* If the main thread has set this boolean to false, this thread will terminate here. */
{
break;
}
IPEndPoint remoteIpEndPoint = clientSocket.Client.RemoteEndPoint as IPEndPoint; /* IP address of the client actually connected */
msg.messType = messageType.REMOTE_COPY; /* The operation to perform is a RemoteCopy! */
if (Clipboard.ContainsText()) /* The clipboard contains text! */
{
String text = Clipboard.GetText(); /* Here we get the text copied in the clipboard */
data = Encoding.Unicode.GetBytes(text); /* We have to get the byte array of the text, in order to send this through a socket. */
msg.cinf.ct = clipboardType.TEXT; /* We are sending text! */
}
else if (Clipboard.ContainsImage()) /*The clipboard contains an Image!*/
{
Image img = Clipboard.GetImage(); /*We have to get the image object..*/
data = SocketCommunication.serialize(img); /* and to serialize it! */
msg.cinf.ct = clipboardType.IMAGE; /*The data is an Image*/
}
else if (Clipboard.ContainsAudio()) /* The clipboard contains an audio stream! */
{
Stream audio = Clipboard.GetAudioStream(); /*We have to get the stream object..*/
data = SocketCommunication.serialize(audio); /* and to serialize it! */
msg.cinf.ct = clipboardType.AUDIO; /* The clipboard data is an audio stream! */
}
else if (Clipboard.ContainsFileDropList()) /* The clipboard contains files! */
{
string archPath = SocketCommunication.createArchive(); /*This function creates an archive with all files in the clipboard*/
FileInfo fi = new FileInfo(archPath); /* Object containing info about the archive */
if (fi.Length > 10 * 1024 * 1024) /* If the zip size is more than 10 MB */
{
DialogResult confirmResult = MessageBox.Show("Sei davvero sicuro di voler trasferire più di 10 MB di dati?",
"Conferma Trasferimento",
MessageBoxButtons.YesNo); /* We have to show a confirm button, in order to avoid network overhead. */
if (confirmResult == DialogResult.No) /* If the user doesn't want to transfer the file.. */
{
continue; /* We have to continue */
}
}
msg.cinf.ct = clipboardType.FILES; /* The clipboard data is a FileDropList! */
msg.cinf.size = (int)fi.Length; /* Size of the archive that is going to be sent */
using (clipClient = new TcpClient()) /* Socket used to send clipboard data to server */
{
clipClient.Connect(remoteIpEndPoint.Address, 9999); /* We have to connect to the target server, port 9999 */
SocketCommunication.sendBufferToSocket(SocketCommunication.rawSerialize(msg), clipClient);
SocketCommunication.sendFileToSocket(clipClient, archPath);
}
File.Delete(archPath);
continue;
}
else
{
msg.cinf.ct = clipboardType.NO_VALID_DATA;
data = new byte[4];
}
if (data.Length > 10 * 1024 * 1024) /* If the data size is more than 10 MB */
{
DialogResult confirmResult = MessageBox.Show("Sei davvero sicuro di voler trasferire più di 10 MB di dati?",
"Conferma Trasferimento",
MessageBoxButtons.YesNo); /* We have to show a confirm button, in order to avoid network overhead. */
if (confirmResult == DialogResult.No) /* If the user doesn't want to transfer the file.. */
{
continue; /* We have to continue */
}
}
msg.cinf.size = data.Length;
using (clipClient = new TcpClient())
{
clipClient.Connect(remoteIpEndPoint.Address, 9999);
SocketCommunication.sendBufferToSocket(SocketCommunication.rawSerialize(msg), clipClient); /*Struct Sending*/
SocketCommunication.sendChunks(clipClient, data); /* Data sending */
}
}
catch (SocketException) /* The exceptions that occurs will be catched here and the thread will not terminate! This thread has to remain active while the application ends */
{
continue;
}
catch (IOException)
{
continue;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
/*
* Function of clipSender thread. This thread will stay blocked waiting for a condition variable set, performed by the main thread
* when the user makes a double click on a server.
*/
private void clipSenderFunction()
{
byte[] data;
while (true) /*This function runs until the Application is active.*/
{
try
{
Invoke(new makeInvisible(makeInvisible), remotePasteProgressBar); /* If a remote paste progress bar is visible, we have to make it invisible */
send.WaitOne(); /*Wait for a notification from the main thread*/
Invoke(new makeVisible(makeVisible), remotePasteProgressBar); /* Because we have to send data toward the targetServer, we show the progressBar to inform the user on the transfer */
IPEndPoint remoteServerIpEndPoint = targetServer.Client.RemoteEndPoint as IPEndPoint; /*Get ip address of the server actually connected*/
message msg = new message();
msg.messType = messageType.REMOTE_PASTE; /* The operation to perform is a remote paste! */
if (Clipboard.ContainsText()) /* The clipboard contains text! */
{
String text = Clipboard.GetText(); /* Here we get the text copied in the clipboard */
data = Encoding.Unicode.GetBytes(text); /* We have to get the byte array of the text, in order to send this through a socket. */
msg.cinf.ct = clipboardType.TEXT; /* We are sending text! */
msg.cinf.size = data.Length; /* We have to sent even the amount of text bytes in order to receive the whole array */
}
else if (Clipboard.ContainsImage()) /*The clipboard contains an Image!*/
{
Image img = Clipboard.GetImage(); /*We have to get the image object..*/
data = SocketCommunication.serialize(img); /* and to serialize it! */
msg.cinf.ct = clipboardType.IMAGE; /*The data is an Image*/
msg.cinf.size = data.Length;
}
else if (Clipboard.ContainsAudio()) /* The clipboard contains an audio stream! */
{
Stream audio = Clipboard.GetAudioStream(); /*We have to get the stream object..*/
data = SocketCommunication.serialize(audio); /* and to serialize it! */
msg.cinf.ct = clipboardType.AUDIO; /* Tha clipboard data is an audio stream! */
msg.cinf.size = data.Length;
}
else if (Clipboard.ContainsFileDropList()) /* The clipboard contains files! */
{
string archPath = SocketCommunication.createArchive(); /*This function creates an archive with all files in the clipboard*/
FileInfo fi = new FileInfo(archPath); /* Object containing info about the archive */
if (fi.Length > 10 * 1024 * 1024) /* If the zip size is more than 10 MB */
{
DialogResult confirmResult = MessageBox.Show("Sei davvero sicuro di voler trasferire più di 10 MB di dati?",
"Conferma Trasferimento",
MessageBoxButtons.YesNo); /* We have to show a confirm button, in order to avoid network overhead. */
if (confirmResult == DialogResult.No) /* If the user doesn't want to transfer the file.. */
{
continue; /* We have to continue */
}
}
msg.cinf.ct = clipboardType.FILES; /* The clipboard data is a FileDropList! */
msg.cinf.size = (int)fi.Length; /* Size of the archive that is going to be sent */
using (TcpClient clientSendData = new TcpClient()) /*Socket used to send clipboard data to server */
{
clientSendData.Connect(remoteServerIpEndPoint.Address, 9998); /* We have to connect to the target server, port 9998 */
SocketCommunication.sendBufferToSocket(SocketCommunication.rawSerialize(msg), clientSendData);
SocketCommunication.sendFileToSocket(clientSendData, archPath);
clientSendData.Close();
}
continue;
}
else
{
msg.cinf.ct = clipboardType.NO_VALID_DATA;
data = new byte[4];
}
if (data.Length > 10 * 1024 * 1024) /* If the clipboard data is bigger than 10 MB */
{
DialogResult confirmResult = MessageBox.Show("Sei davvero sicuro di voler trasferire più di 10 MB di dati?",
"Conferma Trasferimento",
MessageBoxButtons.YesNo); /* We have to show a confirm button, in order to avoid network overhead. */
if (confirmResult == DialogResult.No) /* If the user doesn't want to transfer the file.. */
{
continue; /* We have to continue */
}
}
using (TcpClient clientSendData = new TcpClient()) /*Socket used to send clipboard data to server */
{
clientSendData.Connect(remoteServerIpEndPoint.Address, 9998); /* We have to connect to the target server, port 9998 */
SocketCommunication.sendBufferToSocket(SocketCommunication.rawSerialize(msg), clientSendData); /* Struct Sending */
SocketCommunication.sendChunks(clientSendData, data); /* Data sending */
clientSendData.Close();
}
}
catch (SocketException) /* The exceptions that occurs will be catched here and the thread will not terminate! This thread has to remain active while the application ends */
{
continue;
}
catch (IOException)
{
continue;
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
}