public virtual void ProcessCDPResult(string command_result, CDPDataSet.DevicesRow parent_device, CDPDataSet ds)
{
if (command_result.IndexOf("CDP is not enabled") >= 0)
{
parent_device.CDP_status = false;
}
else
{
string[] cdp_lines = command_result.Split("\r\n".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
CDPDataSet.DevicesRow current_device = null; // As going through the CDP output lines, this is the actual neighbor
string currentDeviceName = "";
string currentDeviceIP = "";
CDPDataSet.NeighboursRow new_neigbor = null; // This is the neighbor created for current_device as a neighbor of parent_device
PGTDataSet.ScriptSettingRow ScriptSettings = SettingsManager.GetCurrentScriptSettings();
// As the ip address must be unique for each device, adding a device with ip address of nocdpip constant would fail for the second time
// To overcome this issue, we do indexing for devices with no ip address (such as VMware ESX hosts)
int nocdpip_index = 0;
foreach (string line in cdp_lines)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : parsing cdp neighbor row [ {0} ]", line), DebugLevel.Full);
try
{
bool isVMWareESX = false;
#region Check for DeviceID line and set currentDeviceName accordingly
if (line.IndexOf(DeviceID()) >= 0)
{
try
{
if (new_neigbor != null)
{
ds.Neighbours.AddNeighboursRow(new_neigbor);
}
}
catch (Exception Ex)
{
// Depending on discovery list, under special circumstances it can happen that we try to add a new neighbor row
// with the same connection parameters (same parent, neighbor and interfaces) that will violate unique key constraint
DebugEx.WriteLine(String.Format("CDP2VISIO : Error storing neighbor row : {0}", Ex.InnerExceptionsMessage()), DebugLevel.Warning);
}
new_neigbor = null;
string[] words = line.Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
currentDeviceName = words[2].Trim();;
currentDeviceIP = "";
DebugEx.WriteLine(String.Format("CDP2VISIO : CDPParser found a new neighbor : {0}", currentDeviceName), DebugLevel.Informational);
}
#endregion
if (currentDeviceName == "")
{
continue;
}
#region Check for IPAddress line and set currentDeviceIP accordingly
if (line.IndexOf(IPAddress()) >= 0)
{
string[] words_in_line = line.Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
currentDeviceIP = words_in_line[2].Trim();
if (currentDeviceIP == "")
{
DebugEx.WriteLine(String.Format("CDP2VISIO : cdp is not reporting ip address for neighbor {0}", currentDeviceName), DebugLevel.Debug);
currentDeviceIP = string.Format("{0}_{1}", nocdpip, nocdpip_index);
nocdpip_index++;
}
}
#endregion
#region Check whether the Platform is VMware ESX
if (line.Trim().StartsWith("Platform:"))
{
string[] words = line.SplitByComma();
// words[0] should be PlatForm, words[1] is Capabilities
isVMWareESX = words[0].ToLowerInvariant().IndexOf("vmware esx") >= 0;
if (isVMWareESX)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : neighbor {0} is an ESX host", currentDeviceName), DebugLevel.Debug);
currentDeviceIP = string.Format("{0}_{1}", nocdpip, nocdpip_index);
nocdpip_index++;
}
}
#endregion
if (currentDeviceIP == "")
{
continue;
}
#region Add current device as new device or select existing device from Devices table
// At this point we can identify the current device(cdp neighbor) by name and ip. This is also a new neighbor
// Two devices considered identical if :
// - have the same hostname, or
// - have the same IPAddress
string currentDeviceHostName = DottedNameSpace.TLD(currentDeviceName);
current_device = ds.Devices.FirstOrDefault(d =>
currentDeviceIP != nocdpip && d.IP_Address.SplitBySemicolon().Any(thisIP => thisIP == currentDeviceIP) ||
d.Name.SplitBySemicolon().Any(thisName => DottedNameSpace.CompateTLD(thisName, currentDeviceHostName))
);
if (current_device == null)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : neighbor {0} is a new device, adding to devices data table", currentDeviceName), DebugLevel.Informational);
// This device is not yet known. Add to device list and also to list of devices in script
current_device = ds.Devices.NewDevicesRow();
//if (current_device.Name != currentDeviceName) current_device.Name += ";" + currentDeviceName;
//else
current_device.Name = currentDeviceName;
if (current_device.IsIP_AddressNull() || current_device.IP_Address == "")
{
current_device.IP_Address = currentDeviceIP;
}
else if (current_device.IP_Address != currentDeviceIP)
{
current_device.IP_Address += ";" + currentDeviceIP;
}
ds.Devices.AddDevicesRow(current_device);
// Add a new entry for discovered device if has a valid neighbor ip, Recursion is allowed
// and this ip is not defined as discovery boundary
if (_AllowRecursion && !currentDeviceIP.StartsWith(nocdpip))
{
var includedAddresses = (from addressdefinition in ds.DomainBoundary where addressdefinition.Action == BoundaryAddressAction.Include.ToString() select addressdefinition.IP_Address)?.ToList();
var excludedAddresses = (from addressdefinition in ds.DomainBoundary where addressdefinition.Action == BoundaryAddressAction.Exclude.ToString() select addressdefinition.IP_Address)?.ToList();
if (IPOperations.IsIPAddressInNetworks(currentDeviceIP, includedAddresses, true) && !IPOperations.IsIPAddressInNetworks(currentDeviceIP, excludedAddresses, false))
{
string[] newScriptLine = _ConnectionInfo.ScriptLine.Split(ScriptSettings.CSVSeparator.ToCharArray());
newScriptLine[2] = currentDeviceIP;
newScriptLine[3] = currentDeviceName;
_Executor.AddScriptEntry(string.Join(ScriptSettings.CSVSeparator, newScriptLine));
string msg = string.Format("Added device <{0}> to discovery list.", currentDeviceIP);
DebugEx.WriteLine(msg, DebugLevel.Informational);
_Executor.ShowActivity(msg);
}
else
{
string msg = string.Format("Not adding device <{0}> to discovery list because it is either explicitly excluded or not included in discovery domain", currentDeviceIP);
DebugEx.WriteLine(msg, DebugLevel.Full);
_Executor.ShowActivity(msg);
}
}
else
{
string msg = "Not adding device a new neighbor to discovery list because Active Discovery is not allowed or the neighbor does not have a valid ip address detected.";
DebugEx.WriteLine(msg, DebugLevel.Full);
}
}
else
{
DebugEx.WriteLine(String.Format("CDP2VISIO : neighbor {0} is already a known device", currentDeviceName), DebugLevel.Full);
}
#endregion
if (current_device == null)
{
continue;
}
#region Create Neighbor for parent_device <-> current_device
if (new_neigbor == null)
{
new_neigbor = ds.Neighbours.NewNeighboursRow();
new_neigbor.Neighbor_ID = current_device.ID;
new_neigbor.Parent_ID = parent_device.ID;
new_neigbor.Name = current_device.Name;
DebugEx.WriteLine(String.Format("CDP2VISIO : new neighbor {0} added for device {1}", currentDeviceName, parent_device.Name), DebugLevel.Full);
}
#endregion
#region Get Platform/Interfaces info and update the neighbor
if (line.Trim().StartsWith("Platform") && new_neigbor != null)
{
string[] words = line.SplitByComma();
// words[0] should be PlatForm, words[1] is Capabilities
string[] platformWords = words[0].SplitBySpace();
string[] capabilities = words[1].SplitBySpace();
current_device.Platform = string.Join(" ", platformWords.SkipWhile((string l, int i) => i < 1));
if (current_device.Type != "VSS" && current_device.Type != "ASA" && !current_device.Type.StartsWith("Stack"))
{
current_device.Type = string.Join(";", capabilities.SkipWhile((s, i) => i < 1));
}
DebugEx.WriteLine(String.Format("CDP2VISIO : Platform of neighbor {0} identified as {1}. Device type was set to {2}", currentDeviceName, current_device.Platform, current_device.Type), DebugLevel.Full);
}
if (line.IndexOf("Interface") >= 0 && new_neigbor != null)
{
string[] words_in_line = line.SplitBySpace();
int words_length = words_in_line.Length;
string neighbour_interfaces = words_in_line[words_length - 1];
neighbour_interfaces = Common.ConvInt(neighbour_interfaces);
string local_interfaces = words_in_line[1].Replace(",", "");
local_interfaces = Common.ConvInt(local_interfaces);
new_neigbor.Neighbour_Interface = neighbour_interfaces;
new_neigbor.Local_Interface = local_interfaces;
DebugEx.WriteLine(String.Format("CDP2VISIO : connected interface added {0}::{1} connects to {2}::{3}", currentDeviceName, local_interfaces, parent_device.Name, neighbour_interfaces), DebugLevel.Full);
}
#endregion
}
catch (Exception Ex)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : Error while parsing cdp output line [{0}]. Error is : {1}", line, Ex.InnerExceptionsMessage()));
}
}
if (new_neigbor != null)
{
ds.Neighbours.AddNeighboursRow(new_neigbor);
}
}
}
