static public string StartServer()
{
// Establish the local endpoint for the socket.
// Dns.GetHostName returns the name of the
// host running the application.
string hostName = Dns.GetHostName();
IPHostEntry ipHostInfo = Dns.Resolve(hostName); // obsolete but it works
if (CSavedIPs.Subs == "")
{
string subs = "";
foreach (IPAddress i in ipHostInfo.AddressList)
{
if (subs != "")
{
subs += ",";
}
string ip = i.ToString();
int loc = ip.IndexOf('.');
loc = ip.IndexOf('.', loc + 1);
loc = ip.IndexOf('.', loc + 1);
subs += ip.Substring(0, loc);
}
CSavedIPs.ChangeSubList(subs);
}
Task.Factory.StartNew(() => StartListening(ipHostInfo));
return(CSavedIPs.Subs);
}
private void buttonGoConnection_Click(object sender, EventArgs e)
{
CSavedIPs.ChangeSubList(this.textBoxSubs.Text);
Sock.SetSock(this.userName, this.myIP, this.textBoxSubs.Text);
Sock.StartSearching(this);
appendText(richTextBoxChatOut, "Searching..." + Environment.NewLine, Color.LightGreen);
this.buttonGoConnection.Enabled = false;
}
private void Chatter_FormClosing(object sender, FormClosingEventArgs e)
{
CSavedIPs.ChangeSubList(this.textBoxSubs.Text);
this.isExit = true;
// temp file cleanup
try
{
foreach (string key in linkList.Keys)
{
if (File.Exists(linkList[key]))
{
File.Delete(linkList[key]);
}
}
}
catch
{ }
Sock.KillTasks();
}
public Chatter()
{
InitializeComponent();
CSavedIPs.ReadFile();
this.comboBoxUsers.SelectedIndex = 0;
userName = System.Security.Principal.WindowsIdentity.GetCurrent().Name;
this.groupBoxTop.Text = "Name: " + userName;
this.textBoxSubs.Text = Sock.StartServer();
string[] split = this.textBoxSubs.Text.Split(',');
string ipFirst = (split != null && split.Count() > 0) ? split[0] : "10.0.0";
Sock.NewData += Sock_NewDataReceivedEventHandler;
Sock.Ack += Sock_Ack;
myIP = Sock.GetIPAddress(ipFirst);
this.groupBoxBottom.Text = "My IP: " + myIP;
}
static private void messageHandling(CMessageHandler m, MessageEventArgs mea)
{
if (mea == null)
{
}
else if (mea.Valid && !String.IsNullOrWhiteSpace(mea.TextFromFriend))
{
ipBuddyFullNameLookup[mea.FriendIP] = mea.FriendName;
OnNewDataReceived(mea);
OnAckReceived(mea);
// Update good ip list as needed
CSavedIPs.AppendIP(mea.FriendIP);
// Signal that all bytes have been received.
m.ReceiveDone.Set();
}
else
{
OnAckReceived(mea);
}
}
static public void StartClientSide(Socket sender, string buddyIp)
{
beginThread();
debug("Client thread launched");
int errors = 0;
try
{
#if !DEBUG_LOOPBACK
if (!checkForRunningThread(buddyIp))
{
endThread();
debug("Client ignored this ip: " + buddyIp);
return;
}
#endif
if (!ipBuddyMessages.ContainsKey(buddyIp))
{
ipBuddyMessages.Add(buddyIp, new Queue <string>());
}
if (!ipBuddyIsTyping.ContainsKey(buddyIp))
{
ipBuddyIsTyping.Add(buddyIp, 0);
}
ipBuddyMessages[buddyIp].Enqueue(CMessageHandler.GenerateMessage(myPCName, myIP, "Connected!"));
CMessageHandler m = new CMessageHandler("ClientMH", buddyIp, myIP);
// Enter the working loop
while (stayAlive)
{
if (ipBuddyMessages[buddyIp].Count > 0)
{
lock (ipBuddyMessages[buddyIp])
{
try
{
m.AddMessageToSend(ipBuddyMessages[buddyIp].Dequeue());
}
catch { }
}
}
MessageEventArgs mea;
CMessageHandler.MsgState state = m.ProcessStates(out mea);
messageHandling(m, mea);
// Write to Server as needed
if (state == CMessageHandler.MsgState.ReadyForRemote || state == CMessageHandler.MsgState.SendAck)
{
debug("Client sent out msg to " + buddyIp);
send(sender, m.MessageReady, m);
}
else
{
if (myTypingStatus > 0)
{
send(sender, "\t", m);
}
else
{
send(sender, " ", m);
}
Thread.Sleep(150); // slow down pinging
}
if (!receive(sender, m))
{
if (errors++ >= 3)
{
debug("Client error " + buddyIp);
break;
}
}
else
{
errors = 0;
}
CSavedIPs.AppendIP(buddyIp);
}
sender.Shutdown(SocketShutdown.Both);
sender.Close();
}
catch (Exception e)
{
debug("Client exception for " + buddyIp + e.ToString());
if (_debug != null && ipBuddyFullNameLookup.ContainsKey(buddyIp))
{
_debug.InjectTestMessage("User aborted: " + ipBuddyFullNameLookup[buddyIp]);
}
}
lock (ipsInUse)
{
if (ipsInUse.Contains(buddyIp))
{
ipsInUse.Remove(buddyIp);
}
}
//lock (ipBuddyMessages)
//{
// if (ipBuddyMessages.ContainsKey(buddyIp))
// ipBuddyMessages.Remove(buddyIp);
//}
endThread();
}
static private void StartServerSide(Socket handler, string buddyIp)
{
beginThread();
Thread.Sleep(50);
debug("Server thread launched");
int errors = 0;
try
{
CMessageHandler m = new CMessageHandler("ServerMH", buddyIp, myIP);
if (!ipBuddyMessages.ContainsKey(buddyIp))
{
ipBuddyMessages.Add(buddyIp, new Queue <string>());
}
if (!ipBuddyIsTyping.ContainsKey(buddyIp))
{
ipBuddyIsTyping.Add(buddyIp, 0);
}
ipBuddyMessages[buddyIp].Enqueue(CMessageHandler.GenerateMessage(myPCName, myIP, "Connected!"));
handler.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, false);
// An incoming connection needs to be processed.
while (stayAlive)
{
if (ipBuddyMessages[buddyIp].Count > 0)
{
lock (ipBuddyMessages[buddyIp])
{
try
{
m.AddMessageToSend(ipBuddyMessages[buddyIp].Dequeue());
}
catch { }
}
}
MessageEventArgs mea;
CMessageHandler.MsgState state = m.ProcessStates(out mea);
messageHandling(m, mea);
// Write to Client as needed
if (state == CMessageHandler.MsgState.ReadyForRemote || state == CMessageHandler.MsgState.SendAck)
{
debug("Server sent out msg to " + buddyIp);
send(handler, m.MessageReady, m);
}
else
{
if (myTypingStatus > 0)
{
send(handler, "\t", m);
}
else
{
send(handler, " ", m);
}
Thread.Sleep(150); // slow down pinging
}
if (!receive(handler, m))
{
if (errors++ >= 3)
{
debug("Server error " + buddyIp);
break;
}
}
else
{
errors = 0;
}
CSavedIPs.AppendIP(buddyIp);
}
}
catch (Exception e)
{
debug("Server exception for " + buddyIp + e.ToString());
if (_debug != null && ipBuddyFullNameLookup.ContainsKey(buddyIp))
{
_debug.InjectTestMessage("User aborted: " + ipBuddyFullNameLookup[buddyIp]);
}
}
if (handler != null)
{
handler.Shutdown(SocketShutdown.Both);
handler.Disconnect(false);
handler.Close();
//handler.Dispose();
}
lock (ipsInUse)
{
if (ipsInUse.Contains(buddyIp))
{
ipsInUse.Remove(buddyIp);
}
}
//lock (ipBuddyMessages)
//{
// if (ipBuddyMessages.ContainsKey(buddyIp))
// ipBuddyMessages.Remove(buddyIp);
//}
endThread();
}
