private void accountsList_CellClick(object sender, DataGridViewCellEventArgs e)
{
if (e.ColumnIndex == 0)
{
Account currAccount = ((ViewModel)accountsList.Rows[e.RowIndex].DataBoundItem).DataItem;
currAccount.IsDefault = true;
MQTTModel mqtt = new MQTTModel();
mqtt.Accounts.Attach(currAccount);
var entry = mqtt.Entry(currAccount);
entry.Property(a => a.IsDefault).IsModified = true;
mqtt.SaveChanges();
this.DialogResult = DialogResult.OK;
this.Close();
}
else
{
Account currAccount = ((ViewModel)accountsList.Rows[e.RowIndex].DataBoundItem).DataItem;
MQTTModel mqtt = new MQTTModel();
mqtt.Accounts.Attach(currAccount);
mqtt.Accounts.Remove(currAccount);
mqtt.SaveChanges();
this.accountsList.DataSource = mqtt.Accounts.Select(o => new ViewModel()
{
DataItem = o
}).ToList();
}
}
private void sendButton_Click(object sender, EventArgs e)
{
if (txtContent.Text.Length == 0)
{
MessageBox.Show("Content is required");
return;
}
if (txtTopic.Text.Length == 0)
{
MessageBox.Show("Topic is required");
return;
}
if (cmbQOS.SelectedIndex == -1)
{
MessageBox.Show("Please choose QOS");
return;
}
QOS messageQOS = QOS.AT_MOST_ONCE;
switch (cmbQOS.SelectedIndex)
{
case 1:
messageQOS = QOS.AT_LEAST_ONCE;
break;
case 2:
messageQOS = QOS.EXACTLY_ONCE;
break;
}
MQTTModel mqtt = new MQTTModel();
var accounts = from a in mqtt.Accounts where a.IsDefault == true select a;
dal.Message newMessage = new dal.Message();
newMessage.Content = Encoding.UTF8.GetBytes(txtContent.Text);
newMessage.Incoming = false;
newMessage.QOS = messageQOS;
newMessage.TopicName = txtTopic.Text;
newMessage.Account = accounts.First();
_client.Publish(new mqtt.avps.Topic(newMessage.TopicName, newMessage.QOS), newMessage.Content, chkRetain.Checked, chkDuplicate.Checked);
mqtt.Accounts.Attach(newMessage.Account);
mqtt.Messages.Add(newMessage);
mqtt.Entry(newMessage.Account).State = EntityState.Unchanged;
mqtt.SaveChanges();
txtContent.Text = String.Empty;
txtTopic.Text = String.Empty;
cmbQOS.SelectedIndex = -1;
chkDuplicate.Checked = false;
chkRetain.Checked = false;
MessageBox.Show("Message Sent Succesfully", "Message Sent", MessageBoxButtons.OK, MessageBoxIcon.Information);
List <dal.Message> messages = (from m in mqtt.Messages.Include("Account") where m.Account.ID == _account.ID orderby m.ID descending select m).ToList();
this.Invoke((MethodInvoker) delegate { this.messagesGrid.DataSource = messages; });
mqtt.Dispose();
}
private void loginButton_Click(object sender, EventArgs e)
{
if (cmbProtocol.SelectedIndex == 0 || cmbProtocol.SelectedIndex == 3 || cmbProtocol.SelectedIndex == 4)
{
if (txtUsername.Text.Length == 0)
{
MessageBox.Show("Please enter username");
return;
}
if (txtPassword.Text.Length == 0)
{
MessageBox.Show("Please enter password");
return;
}
}
if (txtClientID.Text.Length == 0)
{
MessageBox.Show("Please enter client ID");
return;
}
if (txtServerHost.Text.Length == 0)
{
MessageBox.Show("Please enter server host");
return;
}
if (txtServerPort.Text.Length == 0)
{
MessageBox.Show("Please enter server port");
return;
}
Int32 serverPort = 0;
if (!Int32.TryParse(txtServerPort.Text, out serverPort))
{
MessageBox.Show("Server port has invalid value");
return;
}
if (serverPort <= 0 || serverPort > UInt16.MaxValue)
{
MessageBox.Show("Server port has invalid value");
return;
}
Int32 keepalive = 0;
if (txtKeepalive.Text.Length > 0)
{
if (!Int32.TryParse(txtKeepalive.Text, out keepalive))
{
MessageBox.Show("Keepalive has invalid value");
return;
}
}
if (keepalive <= 0)
{
MessageBox.Show("Keepalive has invalid value");
return;
}
if (keepalive >= 65535)
{
MessageBox.Show("Keepalive has invalid value");
return;
}
if (cmbProtocol.SelectedIndex == 0 || cmbProtocol.SelectedIndex == 4 || cmbProtocol.SelectedIndex == 1)
{
if (txtWill.Text.Length > 0 && txtWillTopic.Text.Length == 0)
{
MessageBox.Show("Both will and will topic are required");
return;
}
if (txtWill.Text.Length == 0 && txtWillTopic.Text.Length > 0)
{
MessageBox.Show("Both will and will topic are required");
return;
}
if (txtWill.Text.Length > 0 && cmbQOS.SelectedIndex == -1)
{
MessageBox.Show("Please choose will QOS");
return;
}
if (txtWill.Text.Length > 1400 && cmbProtocol.SelectedIndex == 1)
{
MessageBox.Show("Maximum Will length for SN could be 1400");
return;
}
}
Account newAccount = new Account();
newAccount.UserName = txtUsername.Text;
newAccount.Pass = txtPassword.Text;
newAccount.ClientID = txtClientID.Text;
newAccount.ServerHost = txtServerHost.Text;
newAccount.ServerPort = serverPort;
newAccount.CleanSession = chkCleanSession.Checked;
newAccount.IsRetain = chkRetain.Checked;
newAccount.KeepAlive = keepalive;
newAccount.Will = Encoding.UTF8.GetBytes(txtWill.Text);
newAccount.WillTopic = txtWillTopic.Text;
newAccount.IsSecured = chkSecurity.Checked;
newAccount.certificatePass = txtSecurityPassword.Text;
newAccount.certificate = txtCertificate.Text;
switch (cmbProtocol.SelectedIndex)
{
case 0:
newAccount.Protocol = iotbroker.dal.Protocols.MQTT_PROTOCOL;
break;
case 1:
newAccount.Protocol = iotbroker.dal.Protocols.MQTT_SN_PROTOCOL;
break;
case 2:
newAccount.Protocol = iotbroker.dal.Protocols.COAP_PROTOCOL;
break;
case 3:
newAccount.Protocol = iotbroker.dal.Protocols.AMQP_PROTOCOL;
break;
case 4:
newAccount.Protocol = iotbroker.dal.Protocols.WS_PROTOCOL;
break;
}
switch (cmbQOS.SelectedIndex)
{
case 0:
newAccount.QOS = QOS.AT_MOST_ONCE;
break;
case 1:
newAccount.QOS = QOS.AT_LEAST_ONCE;
break;
case 2:
newAccount.QOS = QOS.EXACTLY_ONCE;
break;
}
MQTTModel mqtt = new MQTTModel();
var accounts = from a in mqtt.Accounts where a.ClientID == newAccount.ClientID where a.ServerHost == newAccount.ServerHost where a.ServerPort == newAccount.ServerPort where a.UserName == newAccount.UserName select a;
if (accounts.Count() > 0)
{
MessageBox.Show("This account already exists in list");
return;
}
newAccount.IsDefault = true;
mqtt.Accounts.Add(newAccount);
mqtt.SaveChanges();
this.DialogResult = DialogResult.OK;
this.Close();
}