public void SetErrorRates(SimErrorRates objErrorRates)
{
lock (this)
{
m_objErrorRates = new SimErrorRates(objErrorRates);
}
}
public SimErrorRates(SimErrorRates objOther)
{
foreach (SimMessageErrorRate objRate in objOther.m_lsMessageErrorRates)
{
m_lsMessageErrorRates.Add(new SimMessageErrorRate(objRate));
}
foreach (SimDeliveryErrorRate objRate in objOther.m_lsDeliveryErrorRates)
{
m_lsDeliveryErrorRates.Add(new SimDeliveryErrorRate(objRate));
}
}
private void SaveSettings()
{
var objSettings = Settings.Default;
objSettings.LastReference = m_objSimModel.LastReference;
objSettings.Port = m_objSimModel.Port;
objSettings.IpVersion = m_objSimModel.IpVersion;
objSettings.AuthRequired = m_objSimModel.IsAuthRequired;
objSettings.SystemId = m_objSimModel.SystemId;
objSettings.Password = m_objSimModel.Password;
objSettings.PduLogEnabled = m_objSimModel.IsPduLogEnabled;
objSettings.ServerLogEnabled = m_objSimModel.IsServerLogEnabled;
objSettings.SessionLogEnabled = m_objSimModel.IsSessionLogEnabled;
objSettings.ServerLog = m_objSimModel.ServerLog;
objSettings.SessionLog = m_objSimModel.SessionLog;
objSettings.GeneratePerMinute = m_objSimModel.GeneratePerMinute;
objSettings.RandomOrder = m_objSimModel.RandomOrder;
objSettings.Echo = m_objSimModel.Echo;
objSettings.PduTimeout = m_objSimModel.PduTimeout;
objSettings.EnquireInterval = m_objSimModel.EnquireInterval;
objSettings.UseGsmEncoding = m_objSimModel.UseGsmEncoding;
objSettings.MultipartMode = m_objSimModel.MultipartMode;
objSettings.DeliverMode = m_objSimModel.DeliverMode;
objSettings.KeepMessages = m_nKeepMaxMessages;
objSettings.AutoMessageFile = m_strAutoMessagesFile;
SimErrorRates objErrorRates = m_objSimModel.GetErrorRates();
string strMessageRates = "";
foreach (SimMessageErrorRate objErrr in objErrorRates.MessageErrorRates)
{
strMessageRates += string.Format("{0},{1};", objErrr.StatusCode, objErrr.Occurance);
}
strMessageRates = strMessageRates.TrimEnd(';');
string strDeliveryRates = "";
foreach (SimDeliveryErrorRate objErrr in objErrorRates.DeliveryErrorRates)
{
strDeliveryRates += string.Format("{0},{1},{2};", objErrr.Code, objErrr.Text, objErrr.Occurance);
}
strDeliveryRates = strDeliveryRates.TrimEnd(';');
objSettings.MessageErrorRates = strMessageRates;
objSettings.DeliveryErrorRates = strDeliveryRates;
objSettings.Save();
}
public frmErrorRates(SimErrorRates objErrorRates)
{
InitializeComponent();
m_objSimErrorRates = objErrorRates;
}
private void bw_DoWork(BackgroundWorker objWorker, Logger objLogger, AxSms.SmppServer objServer)
{
if (m_objSimModel.IsServerLogEnabled)
{
objServer.LogFile = m_objSimModel.ServerLog;
}
AxSms.Constants objSmsConsts = new AxSms.Constants();
objServer.LastReference = m_objSimModel.LastReference;
objServer.Start(m_objSimModel.Port, m_objSimModel.IpVersion, m_objSimModel.Certificate);
SimCommand objCommand = new SimCommand();
objCommand.CommandId = SimCommand.ECommandId.RESPONSECODE;
objCommand.LastError = objServer.LastError;
objCommand.LastErrorDescription = objServer.GetErrorDescription(objServer.LastError);
m_objSimModel.IsServerStarted = objServer.LastError == 0;
PushGui(objCommand);
if (objServer.LastError != 0)
{
objLogger.WriteLine("SmppServer, failed: [{0}:{1}]", objCommand.LastError, objCommand.LastErrorDescription);
return;
}
else
{
objLogger.WriteLine("SmppServer started");
}
// Initialize Smpp instance to do SMS splitting
// This is very convenient because we don't need to use the orginal SmppSession object
m_objSplitSms = new AxSms.Smpp();
m_objSplitSms.MultipartMode = m_objSimModel.MultipartMode;
m_objSplitSms.UseGsmEncoding = m_objSimModel.UseGsmEncoding;
// Replies
long nLastReloadReplies = GetTickCount();
bool bEcho = m_objSimModel.Echo;
SimErrorRates objErrorRates = m_objSimModel.GetErrorRates();
// Auto messages
long nLastReloadAutoMsg = GetTickCount();
var lsAutoMessages = new List <SimMessage>();
lsAutoMessages = m_objSimModel.GetAutoMessages();
int nGeneratePerMinute = m_objSimModel.GeneratePerMinute;
bool bRandomOrder = m_objSimModel.RandomOrder;
int nAutoMsgIndex = 0;
Random objRandom = new Random();
var dctWrkSessions = new Dictionary <int, WrkSession>();
while (!objWorker.CancellationPending)
{
var lsMessagesUpdated = new List <SimMessage>();
var lsMessagesGenerated = new List <SimMessage>();
var lsMessagesReceived = new List <SimMessage>();
// Check if the GUI has some requests
while ((objCommand = PollGui()) != null)
{
WrkSession objWrkSession = null;
dctWrkSessions.TryGetValue(objCommand.SessionId, out objWrkSession);
switch (objCommand.CommandId)
{
case SimCommand.ECommandId.DROPSESSION:
if (objWrkSession != null)
{
objWrkSession.bDrop = true;
}
break;
case SimCommand.ECommandId.SENDMESSAGE:
if (objWrkSession != null)
{
bw_AddOutgoing(objCommand.Message, objWrkSession.qOutMessages, lsMessagesGenerated, true);
}
break;
}
}
// Quit if the server stopped for some reason
if (!objServer.IsStarted)
{
m_objSimModel.IsServerStarted = false;
break;
}
// Reset statistics count
int nRecvPerSecond = 0, nSentPerSecond = 0;
// Handle connected sessions
var lsSessions = new List <SimSession>();
AxSms.SmppSession objSession = objServer.GetFirstSession();
while (objServer.LastError == 0)
{ // Creating objSimSession object early and only access it's properties since
// accessing ActiveX properties (and methods) seems to be expensive in C#
SimSession objSimSession = new SimSession(objSession);
lsSessions.Add(objSimSession);
// Get the current worker session
WrkSession objWrkSession = null;
if (!dctWrkSessions.ContainsKey(objSession.Id))
{
dctWrkSessions[objSession.Id] = objWrkSession = new WrkSession(objSimSession, GetTickCount());
}
else
{
objWrkSession = dctWrkSessions[objSession.Id];
}
// Handle session bind requests
if (objSimSession.ConnectionState == objSmsConsts.SMPP_SESSIONSTATE_BINDING)
{
// Respond to a bind required. If authentication is required test sysid
int iResponse = 0;
if (m_objSimModel.IsAuthRequired &&
(objSimSession.SystemId != m_objSimModel.SystemId ||
objSimSession.Password != m_objSimModel.Password))
{
iResponse = objSmsConsts.SMPP_ESME_RINVPASWD;
}
objSession.RespondToBind(iResponse);
// Generate a logfile path and set it
if (m_objSimModel.IsSessionLogEnabled)
{
string strLogIp;
if (objSimSession.Ip.Contains("."))
{ // IPv4; np
strLogIp = objSimSession.Ip;
}
else
{ // IPv6, can't have ':''s in a filename !
strLogIp = string.Format("[{0}]", objSimSession.Ip).Replace(':', '_');
}
string strLogPath = string.Format("{0}{1}_{2}.log",
m_objSimModel.SessionLog, strLogIp, objSimSession.Port);
objSession.LogPduDetails = m_objSimModel.IsPduLogEnabled;
objSession.LogFile = strLogPath;
}
// Apply server settings
objSession.PduTimeout = m_objSimModel.PduTimeout;
objSession.EnquireInterval = m_objSimModel.EnquireInterval;
objSession.UseGsmEncoding = m_objSimModel.UseGsmEncoding;
objSession.DeliverMode = m_objSimModel.DeliverMode;
}
// Generate auto-messages.
int iNumMessages = objWrkSession.CalculateMessagesToSend(GetTickCount(), nGeneratePerMinute);
if (lsAutoMessages.Count > 0)
{
for (int i = 0; i < iNumMessages; i++)
{ // Determine the message index of the auto-message to sent
if (bRandomOrder)
{
nAutoMsgIndex = objRandom.Next(lsAutoMessages.Count);
}
else
{
if (nAutoMsgIndex < lsAutoMessages.Count - 1)
{
nAutoMsgIndex++;
}
else
{
nAutoMsgIndex = 0;
}
}
// If there's room in the output queue, add it to the output queue
// othewise, reject the message, queue full..
SimMessage objMessage = new SimMessage(lsAutoMessages[nAutoMsgIndex]);
objMessage.SessionId = objSimSession.Id;
objMessage.SystemId = objSimSession.SystemId;
bw_AddOutgoing(objMessage, objWrkSession.qOutMessages, lsMessagesGenerated, true);
}
}
// Sent SMS messages in sent queue
int nOut = objSession.CountSmsDeliverySpace();
while (objWrkSession.qOutMessages.Count > 0 && nOut > 0)
{
SimMessage objSimMessage = objWrkSession.qOutMessages.Dequeue();
AxSms.Message objMessage = objSimMessage.CreateAxSms();
// reject multipart messages because they should all have been splitup before beeing
// added to the output queue.
objSession.DeliverSms(objMessage, objSmsConsts.MULTIPART_REJECT);
if (objSession.LastError != 0)
{
objSimMessage.Status = string.Format("SUBMITERROR({0})", objSession.LastError);
}
else
{
objSimMessage.Status = "DELIVERED";
}
lsMessagesUpdated.Add(objSimMessage);
}
// Fetch updates for messages that have been sent
AxSms.Message objResponse = objSession.ReceiveDeliverResponse();
while (objSession.LastError == 0)
{
SimMessage objSimMessage = new SimMessage(objResponse);
objSimMessage.SystemId = objSimSession.SystemId;
objSimMessage.SessionId = objSimSession.Id;
objSimMessage.Status = objSmsConsts.SmppEsmeToString(objSimMessage.CommandStatus).Replace("SMPP_ESME_", "");
lsMessagesUpdated.Add(objSimMessage);
objResponse = objSession.ReceiveDeliverResponse();
}
// Fetch received messages
AxSms.Message objReceived = objSession.ReceiveSubmitSms();
while (objSession.LastError == 0)
{
SimMessage objSimMessage = new SimMessage(objReceived);
objSimMessage.SystemId = objSimSession.SystemId;
objSimMessage.SessionId = objSimSession.Id;
// Determine command status
int nCommandStatus = 0;
int nRandCmdStatus = objRandom.Next(100);
int nRandCmdStatusOffs = 0;
foreach (SimMessageErrorRate objErrr in objErrorRates.MessageErrorRates)
{
nRandCmdStatusOffs += objErrr.Occurance;
if (nRandCmdStatus <= nRandCmdStatusOffs)
{
nCommandStatus = objErrr.StatusCode;
break;
}
}
// Respond to SMS message
objReceived.SmppCommandStatus = objSimMessage.CommandStatus = nCommandStatus;
objSession.RespondToSubmitSms(objReceived);
// Set message status text and add it to the 'received' list
// generate a usertag for received messages as well. The GUI relies on every message to have a unique ID
objSimMessage.Status = objSmsConsts.SmppEsmeToString(objSimMessage.CommandStatus).Replace("SMPP_ESME_", "");
objSimMessage.UserTag = m_objSimModel.GetAndIncLastUserTag();
lsMessagesReceived.Add(objSimMessage);
// Determine command status
if (objSimMessage.RequestDeliveryReport && nCommandStatus == 0)
{
int nRandDlrStatus = objRandom.Next(100);
int nRandDlrStatusOffs = 0;
int nStatusCode = objSmsConsts.SMPP_MESSAGESTATE_DELIVERED;
string strStatusText = "DELIVRD";
foreach (SimDeliveryErrorRate objErrr in objErrorRates.DeliveryErrorRates)
{
nRandDlrStatusOffs += objErrr.Occurance;
if (nRandDlrStatus <= nRandDlrStatusOffs)
{
nStatusCode = objErrr.Code;
strStatusText = objErrr.Text;
break;
}
}
SimMessage objDlr = bw_CreateDlr(objSimMessage, objSimSession.Version, nStatusCode, strStatusText, objSmsConsts);
bw_AddOutgoing(objDlr, objWrkSession.qOutMessages, lsMessagesGenerated, false);
}
if (bEcho)
{
SimMessage objEcho = new SimMessage(objSimMessage);
objEcho.FromAddress = objSimMessage.ToAddress;
objEcho.FromAddressNpi = objSimMessage.ToAddressNpi;
objEcho.FromAddressTon = objSimMessage.ToAddressTon;
objEcho.ToAddress = objSimMessage.FromAddress;
objEcho.ToAddressNpi = objSimMessage.FromAddressNpi;
objEcho.ToAddressTon = objSimMessage.FromAddressTon;
bw_AddOutgoing(objEcho, objWrkSession.qOutMessages, lsMessagesGenerated, false);
}
objReceived = objSession.ReceiveSubmitSms();
}
// Don't support SMS queries
objReceived = objSession.ReceiveQuerySms();
while (objSession.LastError == 0)
{ // Just immediately respond with an error.
objReceived.SmppCommandStatus = objSmsConsts.SMPP_ESME_RINVCMDID;
objSession.RespondToQuerySms(objReceived);
objReceived = objSession.ReceiveQuerySms();
}
if (objWrkSession.bDrop)
{
objSession.Disconnect();
}
// Update statistics
nRecvPerSecond += objSession.SmsReceivedPerSecond;
nSentPerSecond += objSession.SmsSentPerSecond;
objSession = objServer.GetNextSession();
}
// Make a list of disconnected sessions
var lsDisconnected = new List <SimSession>();
objSession = objServer.GetClosedSession();
while (objServer.LastError == 0)
{
SimSession objSimSession = new SimSession(objSession);
lsDisconnected.Add(objSimSession);
dctWrkSessions.Remove(objSimSession.Id);
objSession = objServer.GetClosedSession();
}
// Set global stats
m_objSimModel.RecvPerSecond = nRecvPerSecond;
m_objSimModel.SentPerSecond = nSentPerSecond;
m_objSimModel.LastReference = objServer.LastReference;
// See if there's a need to sent the delta messages to the GUI
if (lsMessagesUpdated.Count > 0 ||
lsMessagesReceived.Count > 0 ||
lsMessagesGenerated.Count > 0)
{
objCommand = new SimCommand();
objCommand.CommandId = SimCommand.ECommandId.MESSAGESDELTA;
objCommand.MessagesUpdated = lsMessagesUpdated;
objCommand.MessagesReceived = lsMessagesReceived;
objCommand.MessagesGenerated = lsMessagesGenerated;
PushGui(objCommand);
}
if (lsDisconnected.Count > 0)
{
objCommand = new SimCommand();
objCommand.CommandId = SimCommand.ECommandId.DROPSESSION;
objCommand.Sessions = lsDisconnected;
PushGui(objCommand);
}
// Don't continuously refresh the auto-messages. They are not updated that often and
// a small lag here is not very noticable.
if (GetTickCount() - nLastReloadAutoMsg > AUTOMESSAGE_RELOAD_TOMS)
{
nLastReloadAutoMsg = GetTickCount();
lsAutoMessages = m_objSimModel.GetAutoMessages();
nGeneratePerMinute = m_objSimModel.GeneratePerMinute;
bRandomOrder = m_objSimModel.RandomOrder;
}
// Don't continuously refresh reply settings, but do refresh them a bit
// more often than the autoreply settings because its very visible.
if (GetTickCount() - nLastReloadReplies > REPLIES_RELOAD_TOMS)
{
nLastReloadReplies = GetTickCount();
bEcho = m_objSimModel.Echo;
objErrorRates = m_objSimModel.GetErrorRates();
}
m_objSimModel.SetSessions(lsSessions);
Thread.Sleep(100);
}
}
private void frmMain_Load(object sender, EventArgs e)
{
var objSettings = Settings.Default;
// force save settings right away
objSettings.LastReference = objSettings.LastReference;
objSettings.Save();
m_Logger = new Logger(objSettings.ViewLogFile);
m_Logger.WriteLine("Startup SMPP Simulator");
m_objSimWorker = new SimWorker();
m_objSimModel = m_objSimWorker.SimModel;
m_objSmsConstants = new AxSms.Constants();
// IP Version combo box
var dctIpVersion = new Dictionary <string, int>();
dctIpVersion.Add("IPv6/IPv4", m_objSmsConstants.SMPP_IPVERSION_BOTH);
dctIpVersion.Add("IPv6", m_objSmsConstants.SMPP_IPVERSION_6);
dctIpVersion.Add("IPv4", m_objSmsConstants.SMPP_IPVERSION_4);
cbxIpVersion.DisplayMember = "Key";
cbxIpVersion.ValueMember = "Value";
cbxIpVersion.DataSource = new BindingSource(dctIpVersion, null);
// Make sure to update all the SESSION_ constants when changing stuff here !!!!
lvSessions.Columns.Add("Client IP", (int)(lvSessions.Width * .25), HorizontalAlignment.Left);
lvSessions.Columns.Add("Client Port", (int)(lvSessions.Width * .25), HorizontalAlignment.Left);
lvSessions.Columns.Add("SystemID", (int)(lvSessions.Width * .24), HorizontalAlignment.Left);
lvSessions.Columns.Add("Connection State", (int)(lvSessions.Width * .25), HorizontalAlignment.Left);
lvSessions.AutoResizeColumn(3, ColumnHeaderAutoResizeStyle.HeaderSize);
// Make sure to update all the MESSAGE_ constants when changing stuff here !!!!
lvMessages.Columns.Add("Dir.", (int)(lvMessages.Width * .1), HorizontalAlignment.Left);
lvMessages.Columns.Add("SystemID", (int)(lvMessages.Width * .20), HorizontalAlignment.Left);
lvMessages.Columns.Add("ToAddress", (int)(lvMessages.Width * .15), HorizontalAlignment.Left);
lvMessages.Columns.Add("Reference", (int)(lvMessages.Width * .15), HorizontalAlignment.Left);
lvMessages.Columns.Add("State", (int)(lvMessages.Width * .15), HorizontalAlignment.Left);
lvMessages.Columns.Add("Body", -2, HorizontalAlignment.Left);
// Make sure to update all the AUTOMESSAGE_ constants when changing stuff here !!!!
lvAutoMessage.Columns.Add("FromAddress", (int)(lvAutoMessage.Width * .20), HorizontalAlignment.Left);
lvAutoMessage.Columns.Add("ToAddress", (int)(lvAutoMessage.Width * .20), HorizontalAlignment.Left);
lvAutoMessage.Columns.Add("Body", (int)(lvAutoMessage.Width * .59), HorizontalAlignment.Left);
// Set the hyperlinks in the GUI
llblAxLink.Text = "Try other SMS software products by Auron Software.";
llblAxLink.Links.Add(llblAxLink.Text.IndexOf("SMS software products"), "SMS software products".Length, "https://www.auronsoftware.com/products/");
llblAxLink.LinkClicked += new LinkLabelLinkClickedEventHandler(llblAxLink_LinkClicked);
llblFooterText.Text = "Auron SMPP Simulator is freeware. It uses Auron SMS Component.\r\n";
llblFooterText.Text += "For more information on Auron SMS products, click here.";
llblFooterText.Links.Add(llblFooterText.Text.IndexOf("click here"), "click here".Length, "https://www.auronsoftware.com/products/");
llblFooterText.LinkClicked += new LinkLabelLinkClickedEventHandler(llblAxLink_LinkClicked);
// Initialize model
m_objSimModel.LastReference = objSettings.LastReference + SimConstants.ADDREFERENCES_ONAPPSTART;
m_objSimModel.Port = objSettings.Port;
m_objSimModel.IpVersion = objSettings.IpVersion;
m_objSimModel.IsAuthRequired = objSettings.AuthRequired;
m_objSimModel.SystemId = objSettings.SystemId;
m_objSimModel.Password = objSettings.Password;
m_objSimModel.IsPduLogEnabled = objSettings.PduLogEnabled;
m_objSimModel.IsServerLogEnabled = objSettings.ServerLogEnabled;
m_objSimModel.IsSessionLogEnabled = objSettings.SessionLogEnabled;
m_objSimModel.ServerLog = objSettings.ServerLog;
m_objSimModel.SessionLog = objSettings.SessionLog;
m_objSimModel.GeneratePerMinute = objSettings.GeneratePerMinute;
m_objSimModel.RandomOrder = objSettings.RandomOrder;
m_objSimModel.Echo = objSettings.Echo;
m_objSimModel.PduTimeout = objSettings.PduTimeout;
m_objSimModel.EnquireInterval = objSettings.EnquireInterval;
m_objSimModel.UseGsmEncoding = objSettings.UseGsmEncoding;
m_objSimModel.MultipartMode = objSettings.MultipartMode;
m_objSimModel.DeliverMode = objSettings.DeliverMode;
m_objSimModel.CertificateStore = objSettings.CertificateStore;
m_nKeepMaxMessages = objSettings.KeepMessages;
m_strAutoMessagesFile = objSettings.AutoMessageFile;
// pre-load auto messages
if (LoadAutoMessages(m_strAutoMessagesFile) != 0)
{
SimMessage objMessage = null;
AddToAutoMessage(new SimMessage("+123123123", SimConstants.DEFAULT_FROMADDRESS, "Hello, World!"));
AddToAutoMessage(objMessage = new SimMessage("+321321321", SimConstants.DEFAULT_FROMADDRESS, "مرحبا، العالم"));
objMessage.DataCoding = m_objSmsConstants.DATACODING_UNICODE;
AddToAutoMessage(objMessage = new SimMessage("+231231231", SimConstants.DEFAULT_FROMADDRESS, "नमस्ते दुनिया"));
objMessage.DataCoding = m_objSmsConstants.DATACODING_DEFAULT;
objMessage.LanguageShift = m_objSmsConstants.LANGUAGE_SINGLESHIFT_HINDI;
AddToAutoMessage(objMessage = new SimMessage("+123123123", SimConstants.DEFAULT_FROMADDRESS, "48656c6c6f2c20576f726c6421"));
objMessage.BodyFormat = m_objSmsConstants.BODYFORMAT_HEX;
}
PushAutoMessages();
// Push error rates to model.
SimErrorRates objErrorRates = new SimErrorRates();
string strMessageRates = objSettings.MessageErrorRates;
string strDeliveryRates = objSettings.DeliveryErrorRates;
string[] aMessageRates = strMessageRates.Split(';');
try
{
foreach (string strMessageRate in aMessageRates)
{
SimMessageErrorRate objErrr = new SimMessageErrorRate();
string[] aMessageRate = strMessageRate.Split(',');
objErrr.StatusCode = int.Parse(aMessageRate[0]);
objErrr.Occurance = int.Parse(aMessageRate[1]);
objErrorRates.MessageErrorRates.Add(objErrr);
}
}
catch (Exception x)
{
m_Logger.WriteLine("Error while parsing message rates: {0}", x.ToString());
}
string[] aDeliveryRates = strDeliveryRates.Split(';');
try
{
foreach (string strDeliveryRate in aDeliveryRates)
{
SimDeliveryErrorRate objErrr = new SimDeliveryErrorRate();
string[] aDeliveryRate = strDeliveryRate.Split(',');
objErrr.Code = int.Parse(aDeliveryRate[0]);
objErrr.Text = aDeliveryRate[1];
objErrr.Occurance = int.Parse(aDeliveryRate[2]);
objErrorRates.DeliveryErrorRates.Add(objErrr);
}
}
catch (Exception x)
{
m_Logger.WriteLine("Error while parsing delivery rates: {0}", x.ToString());
}
m_objSimModel.SetErrorRates(objErrorRates);
// Set other control values
txtServerLog.Text = m_objSimModel.ServerLog;
txtSessionLog.Text = m_objSimModel.SessionLog;
cbEnableServerLog.Checked = m_objSimModel.IsServerLogEnabled;
cbEnableSessionLog.Checked = m_objSimModel.IsSessionLogEnabled;
cbEnablePduLog.Checked = m_objSimModel.IsPduLogEnabled;
cbAuthentication.Checked = m_objSimModel.IsAuthRequired;
txtSystemId.Text = m_objSimModel.SystemId;
txtPassword.Text = m_objSimModel.Password;
txtMaxSendPerMinute.Text = m_objSimModel.GeneratePerMinute.ToString();
cbRandom.Checked = m_objSimModel.RandomOrder;
cbEcho.Checked = m_objSimModel.Echo;
ReloadCertificates();
objSettings.Save();
UpdateControls();
}