private void buttonConnect_Click(object sender, EventArgs e)
{
//If button clicking will trigger a time-consuming procedure, a thread must be started to handle it.
//And after openning the thread, no operation depending on the result of the thread running should be included in the function
m_xmppCH = new XMPPCommandsHandler(this, this.labelSatusSign, this.listBoxEvent);
Thread connectXMPPThread = new Thread(
unused => m_xmppCH.Connnect(textBoxUsername.Text, textBoxPassword.Text, textBoxServer.Text, "")
);
connectXMPPThread.Start();
}
public int Logout()
{
try
{
if (m_account != null)
{
LogHelper.Debug("Try Log out");
//note these two threads below may call this logout, so after they are done, check m_account != null
if(m_connectXMPPThread != null)
m_connectXMPPThread.Join();
if (m_validateThread != null)
m_validateThread.Join();
if (m_presenceInformer != null)
{
m_presenceInformer.RequestStopPing();
m_presenceInformer.Vanish();
m_presenceInformer = null;
}
if (m_syncRequestHandler != null)
{
m_syncRequestHandler.StopSending();
m_syncRequestHandler.Vanish();
m_syncRequestHandler = null;
}
//should be disconnected after m_presenceInformer and m_syncRequestHandler stopped
if (m_xmppCH != null && m_xmppCH.IsOnline)
{
m_xmppCH.Disconnect();
m_xmppCH = null;
}
//set member variable that might be needed by other variables at last
if (m_account != null)
{
string token = m_account.Token;
m_account = null;
m_user = null;
m_isAuthorized = false;
//once m_isAuthorized is false, the account is offline
MessageBox.Show("Now offline!");
string[] paraName = new string[] { "user_id", "token", "client_version" };
string[] paraValue = new string[] { m_account.Id, token, ClientInfo.VERSION };
string xmlResponse = RestComm.SendRestRequest(RestComm.URL_ACCOUNT_LOGOUT, paraName, paraValue);
if (xmlResponse != null)
{
LogHelper.Debug("Log out successfully");
return (int)Status.SUCCESS;
}
else
{
MessageBox.Show("No account found or server's dead!");
LogHelper.Debug("Log out failure: No account found");
//m_account.Status = "Offline";
//m_user.Status = "Offline";
return (int)Status.FAILURE;
}
}
}
MessageBox.Show("Already offline!");
LogHelper.Debug("Log out failure: Already offline");
return (int)Status.FAILURE;
}
catch (Exception ex)
{
LogHelper.Error(ex);
return (int)Status.EXCEPTION;
}
}
public void LoginAndValidate()
{
if (!m_isAuthorized)
{
int loginStatus = Login();
if (m_isAuthorized && loginStatus == (int)Status.SUCCESS)
{
//newly authorized account needs validation
//Validate require connecting to the xmpp server
m_xmppCH = new XMPPCommandsHandler(m_qbClient, m_labelStatus, m_eventList);
m_xmppCH.Auth = this;
if (m_xmppCH != null && !m_xmppCH.IsOnline)
{
m_connectXMPPThread = new Thread(
unused => m_xmppCH.Connnect("clientdemo", "secret", "yangzi-lius-macbook-pro.local", m_account.Token)
);
m_connectXMPPThread.Start();
}
m_validateThread = new Thread(ValidateCompanyMarker);
m_validateThread.Start();
}
else
{
LogHelper.Debug("Log in failed.");
MessageBox.Show("Log in failed.");
}
}
else
{
LogHelper.Debug("One user is online. Make it log out if you can.");
MessageBox.Show("One user is online. Make it log out if you can.");
}
}