private void MsgType(string msgIn)
{
String[] splitMsgIn = msgIn.Split('-');
switch (splitMsgIn[0])
{
case "Message": //normal message, just add it to the chat box
{
if (!splitMsgIn[1].Equals(userNameTB.Text))
{
System.DateTime today = System.DateTime.Now;
String time = today.ToString();
;
chatTxtBx1.AppendText(time + " -> " + msgIn + Environment.NewLine);
}
break;
}
case "HELLO": // check if new user entered the chat > found in online user box <" HELLO - myName - myIP - myPort ">
{
if (!onlineUsersList.Items.Contains(splitMsgIn[1]) && userNameTB.Text != splitMsgIn[1])
{
onlineUsersList.Items.Add(splitMsgIn[1]);
///user constructorneed to be rebuild
User newUser = new User();
newUser.userName = splitMsgIn[1]; newUser.ip = splitMsgIn[2]; newUser.port = splitMsgIn[3];
listUsers.Add(newUser);
}
break;
}
case "BYE": // remove a user from the list - recieved when someone leaves the chat
{
chatTxtBx1.AppendText(msgIn + Environment.NewLine);
if (onlineUsersList.Items.Contains(splitMsgIn[1]))
{
onlineUsersList.Items.Remove(splitMsgIn[1]);
break;
}
break;
}
case "SENDFILE": //in case of user want to send other user a file - asking to send
{
string[] filename = splitMsgIn[4].Split('\\');
string thename = filename[filename.Length - 1];
var result = MessageBox.Show(splitMsgIn[3] + " sent this file to you: " + thename + "do you approve", "Received file", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
switch (result)
{
case DialogResult.OK:
{
string hmacfile = splitMsgIn[splitMsgIn.Length - 1];
if (msgIn.Contains(" - HMAC doesn't match"))
{
hmacfile = splitMsgIn[splitMsgIn.Length - 2];
msgIn = msgIn.Remove(msgIn.IndexOf(" - HMAC doesn't match"), " - HMAC doesn't match".Length);
}
SaveFileDialog sf = new SaveFileDialog();
sf.FileName = thename;
if (sf.ShowDialog() == DialogResult.OK)
{
string savePath = Path.GetDirectoryName(sf.FileName);
ArrayList n = new ArrayList();
IPEndPoint ipep = new IPEndPoint(IPAddress.Parse(splitMsgIn[1]), Int32.Parse(splitMsgIn[2]));
n.Add(ipep);
Random rnd = new Random();
int rndPort = rnd.Next(5500, 6000);
IPEndPoint listenTo = new IPEndPoint(IPAddress.Parse(tbMyIp.Text), rndPort);
var listener = new TcpListener(listenTo);
listener.Start();
new Thread(() =>
{
FileRecieve.recieve(thename, listener, savePath, hmacfile);
}).Start();
userToRecieve = "OK-" + tbMyIp.Text + "-" + nubPort.Value + "-" + userNameTB.Text + "-" + splitMsgIn[4] + "-" + rndPort;
send(userToRecieve, n);
}
break;
}
case DialogResult.Cancel:
{
ArrayList n = new ArrayList();
IPEndPoint ipep = new IPEndPoint(IPAddress.Parse(splitMsgIn[1]), Int32.Parse(splitMsgIn[2]));
n.Add(ipep);
userToRecieve = "NO-" + tbMyIp.Text + "-" + nubPort.Value + "-" + userNameTB.Text + "-" + splitMsgIn[4];
send(userToRecieve, n);
break;
}
default:
{
ArrayList n = new ArrayList();
IPEndPoint ipep = new IPEndPoint(IPAddress.Parse(splitMsgIn[1]), Int32.Parse(splitMsgIn[2]));
n.Add(ipep);
userToRecieve = "NO-" + tbMyIp.Text + "-" + nubPort.Value + "-" + userNameTB.Text + "-" + openFileDialog2.FileName;
send(userToRecieve, n);
break;
}
}
break;
}
case "OK":
{
try
{
AutoClosingMessageBox.Show(splitMsgIn[3] + " approved to recieve the file " + splitMsgIn[4], "Received file", 2000);
IPEndPoint ipEnd = new IPEndPoint(IPAddress.Parse(splitMsgIn[1]), Int32.Parse(splitMsgIn[5]));
new Thread(() =>
{
FileSend.send(ipEnd, splitMsgIn[4], splitMsgIn[5]);
}).Start();
}
catch (Exception ex) { AutoClosingMessageBox.Show(ex.Message, "ERROR", 150000); }
break;
}
case "NO":
{
AutoClosingMessageBox.Show("your friend refused the file transfare ", "do not Received file", 2000);
break;
}
}
}