private void OnSendData(object sender, EventArgs e)
{
if (client.Connected)
{
string message = cbCmd.Text;
client.Send(message);
}
else
{
MessageBox.Show(this, "Could not connect to server\r\nPlease restart application", "Connection Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void OnNextNumber(object sender, EventArgs e)
{
if (client.Connected)
{
string message = "CALLER" + Msg.Separator + "GET_NEXTNUMBER" + Msg.Separator;
message += Properties.Settings.Default.StationName;
message += Msg.Separator + Properties.Settings.Default.StationPost;
client.Send(message);
}
else
{
MessageBox.Show(this, "Could not connect to server\r\nPlease restart application", "Connection Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public void StartClient()
{
client = null;
string dispServerHost = Properties.Settings.Default.QueueServerHost;
int dispServerPort = Properties.Settings.Default.QueueServerPort;
string stationName = Properties.Settings.Default.StationName;
string stationPost = Properties.Settings.Default.StationPost;
string userName = Properties.Settings.Default.QueueUserName;
string password = Properties.Settings.Default.QueuePassword;
client = new TCPClient(dispServerHost, dispServerPort);
client.Notified += new Action <NotifyEventArgs>(TCPClient_Notified);
client.Start();
if (client.Connected)
{
client.Session.DataReceived += new DataReceived(NetSession_DataReceived);
string salt = Properties.Settings.Default.SecuritySalt;
string clearPwd = Util.DecryptPassword(password, salt);
string passwordHash = Util.GetPasswordHash(clearPwd, userName);
/// Send LOGIN message + our station name to server
string message = String.Empty;
message = "LOGIN" + Msg.Separator + "CALLER" + Msg.Separator + stationName + Msg.Separator + stationPost + Msg.Separator + userName + Msg.Separator + passwordHash;
client.Send(message);
}
}
public void StartClient()
{
_client = null;
_client = new TCPClient(_settings.QueueServerHost, _settings.QueueServerPort);
_client.Notified += new Action <NotifyEventArgs>(TCPClientNotified);
_client.Start();
if (_client.Connected)
{
_client.Session.DataReceived += new DataReceived(NetSessionDataReceived);
string clearPwd = Util.DecryptPassword(_settings.QueuePassword, _settings.SecuritySalt);
string passwordHash = Util.GetPasswordHash(clearPwd, _settings.QueueUserName);
// SYS|LOGIN|REQ|[Module!Post!Station!Username!Password]
string message =
Msg.SysLogin.Text +
Msg.Separator + "REQ" +
Msg.Separator + "CALLER" +
Msg.CompDelimiter + _settings.StationPost +
Msg.CompDelimiter + _settings.StationName +
Msg.CompDelimiter + _settings.QueueUserName +
Msg.CompDelimiter + passwordHash;
_client.Send(message);
}
}
private void RequestJobsFromServer(string post, string jobStatus, int offset = 0, int limit = 0)
{
if (_client != null && _client.Connected)
{
string message = Msg.SysGetJob.Text +
Msg.Separator + "REQ" +
Msg.Separator + "Identifier" +
Msg.Separator + post +
Msg.CompDelimiter + jobStatus +
Msg.CompDelimiter + "0" +
Msg.CompDelimiter + "0";
_client.Send(message);
}
else
{
Util.ShowConnectionError(this);
}
}
private void RequestRunningTextFromServer()
{
string message =
Msg.DisplayGetRunText.Text +
Msg.Separator + "REQ" +
Msg.Separator + "Identifier" +
Msg.Separator + _settings.StationPost +
Msg.CompDelimiter + _settings.StationName;
_client.Send(message);
}
private void RequestNewTicket(string postname)
{
if (_client.Connected)
{
string message =
Msg.TicketCreate.Text +
Msg.Separator + "REQ" +
Msg.Separator + "Identifier" +
Msg.Separator + postname +
Msg.CompDelimiter + _settings.StationName;
_client.Send(message);
}
else
{
Util.ShowConnectionError(this);
}
}
/// Send TICKET_CREATE_NEWNUMBER message to QueueServer
private void CreateNewNumber(string text)
{
if (client.Connected)
{
string message = "TICKET" + Msg.Separator + "CREATE_NEWNUMBER" + Msg.Separator;
message += Properties.Settings.Default.StationName + Msg.Separator;
string post0 = Properties.Settings.Default.Post0Post;
string post1 = Properties.Settings.Default.Post1Post;
string post2 = Properties.Settings.Default.Post2Post;
string post3 = Properties.Settings.Default.Post3Post;
string post4 = Properties.Settings.Default.Post4Post;
if (text == "POST#0")
{
message += post0;
}
else if (text == "POST#1")
{
message += post1;
}
else if (text == "POST#2")
{
message += post2;
}
else if (text == "POST#3")
{
message += post3;
}
else if (text == "POST#4")
{
message += post4;
}
client.Send(message);
}
else
{
MessageBox.Show(this, "Could not connect to server\r\nPlease restart application", "Connection Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// cross thread safe handler
public void ProcessMessage(DataReceivedEventArgs arg, string text)
{
/// InvokeRequired required compares the thread ID of the
/// calling thread to the thread ID of the creating thread.
/// If these threads are different, it returns true.
if (this.InvokeRequired)
{
ProcessMessageCallback d = new ProcessMessageCallback(ProcessMessage);
this.Invoke(d, new object[] { arg, text });
}
else
{
if (text.StartsWith("DISPLAY"))
{
HandleMessage(arg, text);
}
else if (text.StartsWith("LOGIN"))
{
string _response = text;
if (_response == Msg.LOGIN_OK)
{
lblStatus.Text = "Connected to Server : " + client.Session.RemoteInfo + " - Post :" + Properties.Settings.Default.StationPost + " Station:" + Properties.Settings.Default.StationName;
Logger.Log("QueueDisplay : Successfully logged in");
// Request running text from server
client.Send("DISPLAY" + Msg.Separator + "GET_RUNNINGTEXT");
}
else
{
string reason = _response.Substring(10);
string msg = "QueueDisplay : Could not logged in to server, \r\nReason: " + reason;
Logger.Log(msg);
MessageBox.Show(this, msg, "Connection Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
CloseConnection();
}
}
}
}
