private void SNMPWalkByIP(ISNMPDeviceSettingDTO SNMPSettingEntry)
{
IList <IPAddress> IPinventory;
OctetString Community;
//Compute full list of devices that have responded to ARP request
IPinventory = ModelHelper.GenerateHostList(SNMPSettingEntry.InitialIP, SNMPSettingEntry.FinalIP, SNMPSettingEntry.NetworkMask, ARPTable.Values.ToList());
Community = new OctetString(SNMPSettingEntry.CommunityString);
foreach (IPAddress target in IPinventory)
{
ISNMPDeviceDataDTO device = BuildSNMPDevice(target, SNMPSettingEntry.NetworkMask);
try
{
SNMPWalkByOIDSetting(Community, SNMPSettingEntry, device);
}
catch (SnmpException e)
{
NotifyError(e);
//Device entry not containing full info for processing
DeviceData.Remove(target.ToString());
continue;
}
}
}
private void DeleteDevice()
{
bool wrongInput = true, confirmdeletion = false;
string skey = null, deletioncmd = null;
ISNMPDeviceSettingDTO sresult = null;
//Ask for key
do
{
Console.Write("Insert device definition name: ");
skey = Console.ReadLine();
wrongInput = string.IsNullOrWhiteSpace(skey);
if (wrongInput)
{
Console.WriteLine("Insert non-empty value.");
}
}while (wrongInput);
wrongInput = true;
Console.WriteLine();
//Pull existing data and editing
sresult = _controller.GetSNMPDeviceSetting(skey).FirstOrDefault();
ShowData(sresult);
if (sresult != null)
{
//Ask for confirmation
do
{
Console.Write("WARNING: Delete DeviceSetting implies wiping relationships with processing settings. Continue with deletion of this device setting? [Y/N] ");
deletioncmd = Console.ReadLine().ToUpper();
wrongInput = string.IsNullOrWhiteSpace(skey) || !(deletioncmd == "Y" || deletioncmd == "N");
if (wrongInput)
{
Console.WriteLine("Insert valid value.");
}
else
{
confirmdeletion = deletioncmd == "Y";
}
}while (wrongInput);
//Delete command
if (confirmdeletion)
{
_controller.DeleteDevice(skey);
}
}
else
{
Console.WriteLine("Device Setting not found.\n");
}
NextActionHandle();
}
private void EditDeviceSetting()
{
bool wrongInput = true;
string skey = null;
ISNMPDeviceSettingDTO sresult = null;
string settingname, initialIPAndMask, finalIPAndMask, SNMPuser;
//Ask for key
do
{
Console.Write("Insert device definition name: ");
skey = Console.ReadLine();
wrongInput = string.IsNullOrWhiteSpace(skey);
if (wrongInput)
{
Console.WriteLine("Insert non-empty value.");
}
}while (wrongInput);
Console.WriteLine();
//Pull existing data and editing
sresult = _controller.GetSNMPDeviceSetting(skey).FirstOrDefault();
ShowData(sresult);
if (sresult != null)
{
//Redefine values
Console.WriteLine("Insert values to be editted. Insert null-values for keeping previous ones.");
Console.Write("Device definition name: ");
settingname = Console.ReadLine();
settingname = string.IsNullOrWhiteSpace(settingname) ? sresult.ID : settingname;
Console.Write("Initial IP/mask: ");
initialIPAndMask = Console.ReadLine();
initialIPAndMask = string.IsNullOrWhiteSpace(initialIPAndMask) ? $"{sresult.InitialIP}/{sresult.NetworkMask}" : initialIPAndMask;
Console.Write("Final IP/mask: ");
finalIPAndMask = Console.ReadLine();
finalIPAndMask = string.IsNullOrWhiteSpace(finalIPAndMask) ? $"{sresult.FinalIP}/{sresult.NetworkMask}" : finalIPAndMask;
Console.Write("SNMP community user (V2): ");
SNMPuser = Console.ReadLine();
SNMPuser = string.IsNullOrWhiteSpace(SNMPuser) ? sresult.CommunityString : SNMPuser;
Console.WriteLine();
_controller.EditDevice(settingname, sresult.ID, initialIPAndMask, finalIPAndMask, SNMPuser);
}
else
{
Console.WriteLine("Device Setting not found.\n");
}
NextActionHandle();
}
private void ShowData(ISNMPDeviceSettingDTO data)
{
if (data != null)
{
ViewHelper.RedirectConsoleToFile(true);
Console.WriteLine($"SNMP setting \"{data.ID}\" with this definition:\n" +
$"\t-Initial IP: {data.InitialIP}/{data.NetworkMask}\n" +
$"\t-Final IP: {data.FinalIP}/{data.NetworkMask}\n" +
$"\t-Community string: {data.CommunityString}\n");
ViewHelper.RedirectConsoleToFile(false);
}
}
public IList <ISNMPDeviceSettingDTO> GetSNMPDeviceSetting(string key = null)
{
if (string.IsNullOrWhiteSpace(key))
{
return(Model.DeviceSettings.Values.ToList());
}
else
{
ISNMPDeviceSettingDTO res = null;
Model.DeviceSettings.TryGetValue(key, out res);
return(res == null ? new List <ISNMPDeviceSettingDTO>() : new List <ISNMPDeviceSettingDTO>(new[] { res }));
}
}
private void SNMPWalkByOIDSetting(OctetString Community, ISNMPDeviceSettingDTO SNMPSettingEntry, ISNMPDeviceDataDTO SNMPDeviceData)
{
//Get all OID requested for all processing algorithms
IEnumerable <IOIDSettingDTO> OIDSettingCollection = Processes.Values.SelectMany(x => x.OIDSettings.Values);
foreach (IOIDSettingDTO OIDSetting in OIDSettingCollection)
{
try
{
SNMPRunAgent(Community, OIDSetting, SNMPDeviceData);
}
catch //(SnmpException e)
{
throw;
}
}
}
public ISNMPProcessStrategy BuildProcess(string SettingID, EnumProcessingType ProcessType)
{
ISNMPProcessStrategy ProcessProfile = null;
ISNMPDeviceSettingDTO DeviceProfile = DeviceSettings?[SettingID];
switch (ProcessType)
{
case EnumProcessingType.None:
break;
case EnumProcessingType.TopologyDiscovery:
//Get existing strategy
if (!Processes.ContainsKey(ProcessType))
{
ProcessProfile = new TopologyBuilderStrategy(this, ChangeTrackerHandler);
Processes.Add(ProcessType, ProcessProfile);
}
else
{
ProcessProfile = Processes[ProcessType];
}
//Add device setting if found
if (DeviceProfile != null)
{
ProcessProfile.TargetDeviceSettings.Add(DeviceProfile);
}
ChangeTrackerHandler(ProcessProfile, typeof(ISNMPProcessStrategy));
break;
case EnumProcessingType.PrinterConsumption:
break;
default:
break;
}
return(ProcessProfile);
}
