static private void sendFile(object info)
{
Dictionary <string, object> callerInfo = (Dictionary <string, object>)info;
//wait for server to acknowledge file with its properties
ClientMainWindow caller = (ClientMainWindow)callerInfo["caller"];
Byte[] buffer = new byte[64];
int rec;
try
{
rec = client.Receive(buffer); //thread waits here!
}
catch
{
caller.disconnected();
return;
}
if (rec <= 0)
{
caller.disconnected();
return;
}
string serverResponse = Encoding.Default.GetString(buffer);
if (serverResponse.Contains("$SENDFILE#"))
{
string fileName = (string)callerInfo["fileName"];
//start to send the actual file
client.SendFile(fileName);
waitUploading(callerInfo);
}
}
static private void waitUploading(Dictionary <string, object> callerInfo)
{
ClientMainWindow caller = (ClientMainWindow)callerInfo["caller"];
string path = (string)callerInfo["fileName"];
FileInfo info = new FileInfo(path);
string filename = info.Name;
//wait for confirmation of upload.
Byte[] buffer = new byte[64];
int rec;
try
{
rec = client.Receive(buffer); //thread waits here!
}
catch
{
caller.disconnected();
return;
}
if (rec <= 0)
{
caller.disconnected();
return;
}
string serverResponse = Encoding.Default.GetString(buffer);
Dictionary <string, string> responseStatus = JsonConvert.DeserializeObject <Dictionary <string, string> >(serverResponse);
if (responseStatus["UploadStatus"] == "OK")
{
caller.Invoke((MethodInvoker)(() => caller.writeLogEvent(filename + " is uploaded!")));
MessageBox.Show("Upload completed!", "Upload Progress", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private void sendNewNameButton_Click(object sender, EventArgs e)
{
Dictionary <String, String> fileInfo = new Dictionary <string, string>();
fileInfo.Add("fileProcess", "RENAME");
fileInfo.Add("newFileName", newNameTextField.Text);
fileInfo.Add("oldFileName", oldFileName);
SendMessage(JsonConvert.SerializeObject(fileInfo));
Byte[] buffer = new byte[32768];
int rec;
try
{
rec = client.Receive(buffer); //thread waits here!
}
catch
{
caller.disconnected();
return;
}
if (rec <= 0)
{
caller.disconnected();
return;
}
string serverResponse = Encoding.Default.GetString(buffer);
if (serverResponse.Contains("ERROR"))
{
caller.writeLogEvent("A file with the name " + newNameTextField.Text + " already exist. Cannot rename.");
MessageBox.Show("A file with the name " + newNameTextField.Text + " already exist. Cannot rename.", "Rename Problem", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else if (serverResponse.Contains("SUCCESS"))
{
caller.writeLogEvent(oldFileName + " renamed to " + newNameTextField.Text);
this.Close();
}
}
public static void downloadTheFile(Stream toWrite, File fileInfo, Socket n, ClientMainWindow caller)
{
//same approach with uploading a file but now the client is the recipient.
Dictionary <string, string> request = new Dictionary <string, string>();
request.Add("fileProcess", "DOWNLOAD");
request.Add("fileName", fileInfo.fileName);
SendMessage(n, JsonConvert.SerializeObject(request));
Byte[] buffer = new byte[32768];
int rec = n.Receive(buffer); //thread waits here!
if (rec <= 0)
{
caller.disconnected();
return;
}
string newmessage = Encoding.Default.GetString(buffer);
newmessage = newmessage.Substring(0, newmessage.IndexOf("\0"));
File comingFile;
if (newmessage.Contains("\"fileSize\":"))
{
comingFile = JsonConvert.DeserializeObject <File>(newmessage);
Console.Write("started to get file:\r\n");
Byte[] fileBuffer = new byte[comingFile.fileSize];
SendMessage(n, "$SENDFILE#");
int readBytes = 0;
int minBlockSize = fileBlockSize < comingFile.fileSize ? fileBlockSize : (int)comingFile.fileSize;
readBytes += n.Receive(fileBuffer, 0, minBlockSize, SocketFlags.None);
while (readBytes != comingFile.fileSize)
{
if ((comingFile.fileSize - readBytes) < minBlockSize)
{
int diff = (int)comingFile.fileSize - readBytes;
readBytes += n.Receive(fileBuffer, readBytes, diff, SocketFlags.None);
}
else
{
readBytes += n.Receive(fileBuffer, readBytes, minBlockSize, SocketFlags.None);
}
}
toWrite.Write(fileBuffer, 0, (int)comingFile.fileSize);
toWrite.Close();
caller.Invoke((MethodInvoker)(() => caller.writeLogEvent(comingFile.fileName + " is downloaded!")));
MessageBox.Show("Download is completed!", "Download Progress", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}