Ejemplo n.º 1
0
        private void ShowTable(Dictionary <Oid, AsnType> result)
        {
            tableViewDataGridView.Columns.Clear();
            if (result == null)
            {
                ErrorMessageBox.Show("Request failed.");
            }
            else
            {
                var rowNumber        = 0;
                var prevColumnNumber = -1;

                foreach (KeyValuePair <Oid, AsnType> entry in result)
                {
                    if (entry.Value.ToString().Equals("Null"))
                    {
                        ErrorMessageBox.Show("Request failed.");
                    }
                    else
                    {
                        var tableRootOid = new Oid(oidTextBox.Text);
                        var currentOid   = entry.Key;

                        var cutOid = currentOid.CutCommonRoot(tableRootOid);

                        var columnNumber = cutOid.LevelValue(1) - 1;
                        if (columnNumber == prevColumnNumber)
                        {
                            rowNumber++;
                        }
                        else
                        {
                            rowNumber = 0;
                            var tableRootOidLevels = tableRootOid.Levels();
                            tableViewDataGridView.Columns.Add(currentOid.CutAfterLevel(tableRootOidLevels + 2), currentOid.CutAfterLevel(tableRootOidLevels + 2));
                        }

                        if (tableViewDataGridView.Rows.Count <= rowNumber)
                        {
                            tableViewDataGridView.Rows.Add();
                        }
                        tableViewDataGridView.Rows[rowNumber].Cells[columnNumber].Value = entry.Value.ToString();

                        prevColumnNumber = columnNumber;
                    }
                }
            }
        }
Ejemplo n.º 2
0
        private void AddToMonitoredObjects(string oid)
        {
            try {
                var timer = new Timer {
                    Interval = Settings.Default.MonitorInterval
                };
                timer.Tick += (sender, eventArgs) => OnTick(sender, eventArgs, oid);

                _monitoredObjects.Add(oid, timer);

                timer.Start();
            }
            catch (ArgumentException) {
                ErrorMessageBox.Show($"Object {oid} is already observed.");
            }
        }
Ejemplo n.º 3
0
        public void Listen()
        {
            var ipEndPoint = new IPEndPoint(IPAddress.Any, 162);

            Task.Run(async() => {
                var run = true;
                while (run)
                {
                    try {
                        using (var udpListener = new UdpClient(ipEndPoint)) {
                            var udpRecieveResult = await udpListener.ReceiveAsync();
                            var recievedData     = udpRecieveResult.Buffer;

                            int protocolVersion = SnmpPacket.GetProtocolVersion(recievedData, recievedData.Length);

                            switch (protocolVersion)
                            {
                            case (int)SnmpVersion.Ver1:
                                var snmpV1TrapPacket = new SnmpV1TrapPacket();
                                snmpV1TrapPacket.decode(recievedData, recievedData.Length);
                                RecieveTrap(snmpV1TrapPacket);
                                break;

                            case (int)SnmpVersion.Ver2:
                                var snmpV2Packet = new SnmpV2Packet();
                                snmpV2Packet.decode(recievedData, recievedData.Length);
                                RecieveTrap(snmpV2Packet);
                                break;

                            case (int)SnmpVersion.Ver3:
                                var snmpV3Packet = new SnmpV3Packet();
                                snmpV3Packet.decode(recievedData, recievedData.Length);
                                RecieveTrap(snmpV3Packet);
                                break;
                            }
                        }
                    }
                    catch (SocketException) {
                        ErrorMessageBox.Show($"Port {ipEndPoint.Port} is already used.");
                        run = false;
                    }
                    catch (Exception e) {
                        ErrorMessageBox.Show($"{e.Message}");
                    }
                }
            });
        }
Ejemplo n.º 4
0
 private void ShowResult(Dictionary <Oid, AsnType> result, DataGridView target)
 {
     if (result == null)
     {
         ErrorMessageBox.Show("Request failed.");
     }
     else
     {
         foreach (KeyValuePair <Oid, AsnType> entry in result)
         {
             if (entry.Value.ToString().Equals("Null"))
             {
                 ErrorMessageBox.Show("Request failed.");
             }
             else
             {
                 target.Rows.Add(entry.Key.ToString(), entry.Value.ToString(),
                                 SnmpConstants.GetTypeName(entry.Value.Type), DateTime.Now.ToLongTimeString());
             }
         }
     }
 }