private void ReceiveCallbackFile(IAsyncResult ar)
{
// Retrieve the state object and the client socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket client = state.workSocket;
// Read data from the remote device.
int bytesRead = -1;
try
{
bytesRead = client.EndReceive(ar);
}
catch (Exception)
{
bytesRead = -1;
}
if (bytesRead > 0)
{
// There might be more data, so store the data received so far.
string dateiName = state.dateiName;
//long dateiGroesse = state.dateiGroesse;
try {
//Invoke((MethodInvoker)delegate {
// dateiName = filesView2.SelectedItems[0].SubItems[0].Text;
// dateiGroesse = filesView2.SelectedItems[0].SubItems[1].Text;
//});
string freigabeOrdner = pfadTextBox.Text;
long dateigroesseLong = state.dateiGroesse;
if (dateigroesseLong > 65535)
{
DirectoryInfo directoryInfo = new DirectoryInfo(freigabeOrdner);
FileInfo[] fileInfoArray = directoryInfo.GetFiles();
foreach (FileInfo item in fileInfoArray)
{
if (item.Name.Equals(dateiName))
{
long fortschrittInProzent = (((item.Length + bytesRead) * 100) / dateigroesseLong);
Invoke((MethodInvoker) delegate {
ListViewItem.ListViewSubItem newItem = new ListViewItem.ListViewSubItem();
newItem.Text = Convert.ToString(fortschrittInProzent) + " %";
foreach (ListViewItem listItem in filesView2.Items)
{
if (listItem.Text.Equals(dateiName))
{
if (listItem.SubItems.Count == 2)
{
listItem.SubItems.Add(newItem);
}
else if (listItem.SubItems.Count == 3)
{
listItem.SubItems[2] = newItem;
}
}
}
});
}
}
}
else
{
Invoke((MethodInvoker) delegate {
ListViewItem.ListViewSubItem newItem = new ListViewItem.ListViewSubItem();
newItem.Text = "100 %";
foreach (ListViewItem listItem in filesView2.Items)
{
if (listItem.Text.Equals(dateiName))
{
if (listItem.SubItems.Count == 2)
{
listItem.SubItems.Add(newItem);
}
else if (listItem.SubItems.Count == 3)
{
listItem.SubItems[2] = newItem;
}
}
}
});
}
semaphoreDateiSpeichern.WaitOne(10);
FileStream fileStream = File.Open(freigabeOrdner + "\\" + dateiName, FileMode.Append, FileAccess.Write, FileShare.None);
fileStream.Write(state.buffer, 0, bytesRead);
fileStream.Close();
semaphoreDateiSpeichern.Release();
} catch (Exception ex) {
Console.WriteLine(ex.ToString());
}
//Console.WriteLine(freigabeOrdner + "\\" + dateiName +" gespeichert");
string response = state.sb.ToString();
}
try {
//client.BeginSend(stateFile.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(AsynchronousFileSendCallback), state);
//Thread.Sleep(100);
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReceiveCallbackFile), state);
} catch {
}
}
private void chatButton_Click(object sender, EventArgs e)
{
string NameDesAusgewaehltenPeers = "";
try{
NameDesAusgewaehltenPeers = peersListe.SelectedItems[0].SubItems[1].Text;
}
catch (Exception ex) {
Console.WriteLine(ex.ToString());
}
if (IpOfSelectedPeer.Equals("") || NameDesAusgewaehltenPeers.Equals(""))
{
MessageBox.Show("Es wurde kein Peer ausgewählt...", "Achtung", MessageBoxButtons.OK);
return;
}
bool gefunden = false;
StateObject tmpObjekt = null;
foreach (StateObject item in chatObjekte)
{
if (item.peerName.Equals(NameDesAusgewaehltenPeers))
{
tmpObjekt = item;
gefunden = true;
break;
}
}
if (gefunden)
{
//ChatForm chatform = new ChatForm();
try {
ChatForm chatformNeu = new ChatForm();
chatformNeu.Text = "Chat mit " + tmpObjekt.peerName;
tmpObjekt.chatForm = chatformNeu;
chatformNeu.Show();
//Application.Run(chatform);
} catch (Exception ex) {
Console.WriteLine(ex.ToString());
}
//chatform.Text = "Chat mit " + tmpObjekt.peerName;
//chatform.Show();
//tmpObjekt.chatForm = chatform;
}
else
{
ChatForm chatform = new ChatForm();
chatform.Text = "Chat mit " + NameDesAusgewaehltenPeers;
chatform.Show();
IPEndPoint remoteEP = new IPEndPoint(IPAddress.Parse(IpOfSelectedPeer), peersPort);
Socket client = new Socket(SocketType.Stream, ProtocolType.Tcp);
client.BeginConnect(remoteEP, new AsyncCallback(ConnectCallback), client);
//connectDone.WaitOne();
StateObject state = new StateObject();
state.workSocket = client;
state.chatForm = chatform;
state.peerName = NameDesAusgewaehltenPeers;
chatObjekte.Add(state);
Thread.Sleep(100);
try {
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReceiveCallbackChat), state);
} catch (Exception ex) {
Console.WriteLine(ex.ToString());
}
Thread.Sleep(100);
//sendDone.WaitOne();
sendThreadChat(client);
}
}
private void ReceiveCallback(IAsyncResult ar)
{
try {
sendDone.Set();
// Retrieve the state object and the client socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket client = state.workSocket;
state.sb = new StringBuilder();
// Read data from the remote device.
int bytesRead = client.EndReceive(ar);
if (bytesRead > 0)
{
// There might be more data, so store the data received so far.
state.sb.Append(Encoding.UTF8.GetString(state.buffer, 0, bytesRead));
//Console.WriteLine("Empfangen: " + state.sb.ToString());
string response = state.sb.ToString();
int begin = response.IndexOf("beg{");
int ende = response.IndexOf("}end");
string responseOhneHeaderUndTailer = "";
for (int j = begin + 4; j < ende; j++)
{
responseOhneHeaderUndTailer += response[j];
}
int aktion = -1;
if (responseOhneHeaderUndTailer.Length > 1)
{
aktion = Int32.Parse("" + responseOhneHeaderUndTailer[0]);
}
if (aktion == 2)
{
string[] ohneAktion = responseOhneHeaderUndTailer.Split('☻');
string[] dateienMitGroesse = ohneAktion[1].Split('♦');
Invoke((MethodInvoker) delegate {
filesView2.Items.Clear();
foreach (string item in dateienMitGroesse)
{
string[] dateiUndGroesse = item.Split(';');
if (dateiUndGroesse.Length == 2)
{
ListViewItem newItem = new ListViewItem(Convert.ToString(dateiUndGroesse[0]));
newItem.SubItems.Add(dateiUndGroesse[1]);
filesView2.Items.Add(newItem);
}
}
});
}
else if (aktion == 3)
{
string[] mesageItems = responseOhneHeaderUndTailer.Split(':');
client.SendFile(mesageItems[3]);
}
if (Form1.run)
{
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReceiveCallback), state);
}
else
{
client.Disconnect(false);
client.Close();
client.Dispose();
Application.Exit();
}
}
client.Disconnect(false);
client.Close();
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
}
