private bool handleFileIO(byte[] buffer, int length, string filepath, int chunk, string ip, string fullname)
{
string fileData = StringCompressor.ToHexString(buffer, length);
string m = "<OBJECT>" + "FILE*" + chunk.ToString() + "*" + Path.GetFileName(filepath).Replace("?", "_") + "*" + fileData;
string chk = Sock.Checksum(Sock.Checksum(m)); // do it twice, trust me
_e = null;
AckDone.Reset();
Sock.SendToBuddy(userName, false, ip, fullname, m, null);
// wait for confirmations
AckDone.WaitOne(5000);
if (!isExit && (_e == null || !_e.Valid || _e.Checksum != chk))
{
// try to repeat once
_e = null;
AckDone.Reset();
Sock.SendToBuddy(userName, false, ip, fullname, m, null);
// wait for confirmations
AckDone.WaitOne(5000);
if (_e == null || !_e.Valid || _e.Checksum != chk)
{
return(false);
}
}
return(true);
}
private void buttonConnect_Click(object sender, EventArgs e)
{
if (this.comboBoxUsers.SelectedIndex != 0)
{
Sock.SendToBuddy(userName, true, buddyList[this.comboBoxUsers.Text], this.comboBoxUsers.Text, "Reconnected!", null);
}
}
private void richTextBoxChatIn_TextChanged(object sender, EventArgs e)
{
Sock.MyTypingStatus(true);
updateToolStrip();
_lastTyped.Stop(); // resets timer
_lastTyped.Start();
GC.Collect(); // just helps ok
}
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 richTextBoxChatIn_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode.Equals(Keys.Enter))
{
if (Control.ModifierKeys != Keys.Shift)
{
e.Handled = true;
Sock.MyTypingStatus(false);
processTypedMessage(this.richTextBoxChatIn.Text);
}
}
}
public MessageEventArgs(string data)
{
if (data != null && data.Contains("|"))
{
data = data.Trim(); // important trim
int loc, loc1, loc2, loc3;
if (find4backwards(data, out loc, out loc1, out loc2, out loc3))
{
id = data.Substring(loc + 1, loc1 - loc - 1);
friendName = data.Substring(loc1 + 1, loc2 - loc1 - 1);
friendIP = data.Substring(loc2 + 1, loc3 - loc2 - 1);
textFromFriend = data.Substring(loc3 + 1, data.Length - loc3 - 1);
checksum = Sock.Checksum(textFromFriend.Replace("<EOF>", ""));
// sanity checks
if (friendIP.Split('.').Count() != 4 || id.Length > 4 || id.Length == 0)
{
valid = false;
}
else if (textFromFriend.EndsWith("<EOF>"))
{
if (textFromFriend.StartsWith("<OBJECT>FILE"))
{
isFile = true;
try
{
string[] splitObj = textFromFriend.Split('*');
this.chunkId = Convert.ToInt32(splitObj[1]);
this.fileName = splitObj[2];
this.fileData = (splitObj[3].Substring(0, splitObj[3].Length - 4 - 1));
valid = true;
}
catch
{
valid = false;
}
textFromFriend = textFromFriend.Replace("<EOF>", "");
return;
}
textFromFriend = textFromFriend.Replace("<EOF>", "");
valid = true;
}
else
{
textFromFriend = "";
}
}
}
}
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;
}
public MsgState ProcessStates(out MessageEventArgs mea)
{
mea = processMea();
switch (this._state)
{
case MsgState.Idle:
if (this._msgs2Send.Count > 0)
{
lock (this._msgs2Send)
{
this._msg2Go = this._msgs2Send.Dequeue();
}
if (!String.IsNullOrWhiteSpace(this._msg2Go))
{
this._msgProcessed = false;
this._attempt = 0;
this._imSendingAck = false;
this._state = MsgState.ReadyForRemote;
}
}
break;
case MsgState.ReadyForRemote:
this._startTime = DateTime.Now;
if (this._attempt >= 3)
{
this._state = MsgState.Idle;
}
else if (this._msgProcessed)
{
this._state = MsgState.WaitingResponse;
}
break;
case MsgState.WaitingResponse:
// message was already sent out, check timeout
DateTime endTime = DateTime.Now;
if (endTime.Subtract(this._startTime).Milliseconds >= 799)
{
Sock.debug(_name + ": timeout, repeating");
this._msgProcessed = false;
this._attempt++;
this._state = MsgState.ReadyForRemote;
}
break;
case MsgState.ReadyForAck:
this._msgProcessed = false;
this._msg2Go = this._lastAckMsg;
this._state = MsgState.SendAck;
break;
case MsgState.SendAck:
if (this._msgProcessed)
{
this._msgProcessed = false;
this._imSendingAck = false;
this._state = MsgState.Done;
}
break;
case MsgState.Done:
this._state = MsgState.Idle;
break;
default: break;
}
return(this._state);
}
private MessageEventArgs processMea()
{
string localMsg;
int myIndex;
lock (_buildMsg)
{
localMsg = _buildMsg.ToString();
myIndex = localMsg.IndexOf("<EOF>");
if (myIndex >= 0)
{
localMsg = localMsg.Substring(0, myIndex + 1 + 4).Trim();
_buildMsg.Remove(0, myIndex + 1 + 4);
}
}
if (myIndex >= 0)
{
MessageEventArgs mea = new MessageEventArgs(localMsg);
if (mea.Valid)
{
// for safety
_buddyIp = mea.FriendIP;
if (this._state == MsgState.WaitingResponse || this._state == MsgState.SendAck)
{
Sock.debug(_name + ":got ACK:" + this._state.ToString() + ":Id=" + mea.Id);
mea.IsAck = true;
if (this._state == MsgState.WaitingResponse)
{
this._state = MsgState.Done;
}
return(mea);
}
if (this._imSendingAck || mea.FriendIP == myip)
{
if (this._state == MsgState.WaitingResponse)
{
this._state = MsgState.Done;
}
return(null);
}
else if (this._state == MsgState.Idle || this._state == MsgState.ReadyForRemote)
{
this._imSendingAck = true;
_lastAckMsg = generate(mea.Id, mea.FriendName, mea.FriendIP, Sock.Checksum(mea.TextFromFriend)); // no need to send entire msg payload
_lastAckIP = mea.FriendIP;
Sock.debug(_name + ":Display(sendAck)" + this._state.ToString() + ":Id=" + mea.Id);
this._state = MsgState.ReadyForAck;
}
else
{
return(mea);
}
}
else
{
Sock.debug(_name + ": oops, invalid message received");
}
return(mea);
}
else
{
return(null);
}
}
private void _lastTyped_Tick(object sender, EventArgs e)
{
Sock.MyTypingStatus(false);
updateToolStrip();
}
private void processTypedMessage(string message)
{
if (String.IsNullOrWhiteSpace(message))
{
richTextBoxChatIn.Clear();
return;
}
string m = message.TrimEnd();
// cmd's
if (m.StartsWith("<CMD>"))
{
m = m.Replace("<CMD>", "").ToLower();
if (m == "clear")
{
this.richTextBoxChatOut.Clear();
}
else if (m == "max")
{
this.WindowState = FormWindowState.Maximized;
}
else if (m == "hide")
{
this.WindowState = FormWindowState.Minimized;
}
else if (m == "pop")
{
ActivateMe();
}
else if (m == "debug")
{
Sock.InDebug = true;
}
else if (m == "normal")
{
Sock.InDebug = false;
}
else if (m == "exit")
{
this.Close();
}
else if (m == "look")
{
this.buttonGoConnection_Click(null, null);
}
else if (m == "all")
{
this.comboBoxUsers.SelectedIndex = 0;
}
richTextBoxChatIn.Clear();
return;
}
if (this.comboBoxUsers.Items.Count == 1)
{
appendText(richTextBoxChatOut, "No friends can be found." + Environment.NewLine, Color.LightGreen);
// scroll it automatically
richTextBoxChatIn.Text = m;
richTextBoxChatIn.SelectionStart = richTextBoxChatIn.Text.Length;
richTextBoxChatIn.ScrollToCaret();
return;
}
// handle multi lines nicely
if (m.Contains('\n'))
{
string[] splits = m.Split(new char[] { '\n' }, StringSplitOptions.None);
m = "";
foreach (string s in splits)
{
m += s + "\n\t\t";
}
m = m.TrimEnd();
}
string buddyName = this.comboBoxUsers.Text;
// ready to send message to a buddy
if (this.comboBoxUsers.SelectedIndex != 0 && !Sock.SendToBuddy(userName, false, buddyList[buddyName], buddyName, m, null))
{
appendText(richTextBoxChatOut, "Me:\t\t", Color.LightGreen);
appendText(richTextBoxChatOut, m + " <remote ignored>" + Environment.NewLine, Color.LightSalmon);
// scroll it automatically
richTextBoxChatIn.Text = m;
richTextBoxChatIn.SelectionStart = richTextBoxChatIn.Text.Length;
richTextBoxChatIn.ScrollToCaret();
return;
}
else
{
appendText(richTextBoxChatOut, "Me:\t\t", Color.LightGreen);
appendText(richTextBoxChatOut, m + Environment.NewLine, Color.LightSalmon);
//richTextBoxChatOut.SelectionStart = richTextBoxChatOut.Text.Length;
// scroll it automatically
richTextBoxChatOut.ScrollToCaret();
}
this.richTextBoxChatIn.Text = "";
// send message to each buddy
if (this.comboBoxUsers.SelectedIndex == 0)
{
foreach (string key in this.buddyList.Keys)
{
Sock.SendToBuddy(userName, false, buddyList[key], key, m, null);
}
}
}