/// <summary>
/// Create request wrapper
/// </summary>
/// <param name="request"></param>
/// <param name="networkClass"></param>
public DiscoveryRequest(DiscoveryRequestModel request,
NetworkClass networkClass = NetworkClass.Wired)
{
Request = request?.Clone() ?? throw new ArgumentNullException(nameof(request));
NetworkClass = networkClass;
if (!string.IsNullOrEmpty(request.Configuration?.AddressRangesToScan))
{
if (AddressRange.TryParse(request.Configuration?.AddressRangesToScan,
out var addresses))
{
AddressRanges = addresses;
}
}
if (AddressRanges == null)
{
if (request.Discovery == DiscoveryMode.Fast)
{
var interfaces = NetworkInformationEx.GetAllNetInterfaces(NetworkClass.Wired);
AddressRanges = interfaces.Select(t => new AddressRange(t, false, 24));
AddressRanges = AddressRanges.Concat(interfaces
.Where(t => t.Gateway != null &&
!t.Gateway.Equals(System.Net.IPAddress.Any) &&
!t.Gateway.Equals(System.Net.IPAddress.None))
.Select(i => new AddressRange(i.Gateway, 32)));
}
}
if (!string.IsNullOrEmpty(request.Configuration?.PortRangesToScan))
{
if (PortRange.TryParse(request.Configuration?.PortRangesToScan,
out var ports))
{
PortRanges = ports;
}
}
if (PortRanges == null)
{
switch (request.Discovery)
{
case DiscoveryMode.Local:
PortRanges = PortRange.All;
break;
case DiscoveryMode.Fast:
PortRanges = PortRange.WellKnown;
break;
case DiscoveryMode.Scan:
PortRanges = PortRange.Unassigned;
break;
default:
PortRanges = PortRange.OpcUa;
break;
}
}
}
/// <summary>
/// Create request wrapper
/// </summary>
/// <param name="request"></param>
/// <param name="networkClass"></param>
/// <param name="isScan"></param>
public DiscoveryRequest(DiscoveryRequestModel request,
NetworkClass networkClass = NetworkClass.Wired, bool isScan = false)
{
Request = request?.Clone() ?? throw new ArgumentNullException(nameof(request));
_cts = new CancellationTokenSource();
NetworkClass = networkClass;
IsScan = isScan;
if (Request.Configuration == null)
{
Request.Configuration = new DiscoveryConfigModel();
}
if (Request.Discovery == null ||
Request.Discovery == DiscoveryMode.Off)
{
// Report empty configuration if off, but keep the
// discovery urls details from the original request
Request.Configuration = new DiscoveryConfigModel()
{
ActivationFilter = Request.Configuration.ActivationFilter?.Clone(),
DiscoveryUrls = Request.Configuration.DiscoveryUrls?.ToList(),
Locales = Request.Configuration.Locales?.ToList()
};
Request.Discovery = DiscoveryMode.Off;
return;
}
// Parse whatever provided
if (!string.IsNullOrEmpty(Request.Configuration.PortRangesToScan))
{
if (PortRange.TryParse(Request.Configuration.PortRangesToScan,
out var ports))
{
PortRanges = ports;
if (Request.Discovery == null)
{
Request.Discovery = DiscoveryMode.Fast;
}
}
}
if (!string.IsNullOrEmpty(Request.Configuration.AddressRangesToScan))
{
if (AddressRange.TryParse(Request.Configuration.AddressRangesToScan,
out var addresses))
{
AddressRanges = addresses;
if (Request.Discovery == null)
{
Request.Discovery = DiscoveryMode.Fast;
}
}
}
// Set default ranges
if (AddressRanges == null)
{
IEnumerable <NetInterface> interfaces;
switch (Request.Discovery)
{
case DiscoveryMode.Local:
interfaces = NetworkInformationEx.GetAllNetInterfaces(NetworkClass);
AddressRanges = AddLocalHost(interfaces
.Select(t => new AddressRange(t, true)))
.Distinct();
break;
case DiscoveryMode.Fast:
interfaces = NetworkInformationEx.GetAllNetInterfaces(NetworkClass.Wired);
AddressRanges = AddLocalHost(interfaces
.Select(t => new AddressRange(t, false, 24))
.Concat(interfaces
.Where(t => t.Gateway != null &&
!t.Gateway.Equals(IPAddress.Any) &&
!t.Gateway.Equals(IPAddress.None))
.Select(i => new AddressRange(i.Gateway, 32)))
.Distinct());
break;
case DiscoveryMode.Network:
case DiscoveryMode.Scan:
interfaces = NetworkInformationEx.GetAllNetInterfaces(NetworkClass);
AddressRanges = AddLocalHost(interfaces
.Select(t => new AddressRange(t, false))
.Concat(interfaces
.Where(t => t.Gateway != null &&
!t.Gateway.Equals(IPAddress.Any) &&
!t.Gateway.Equals(IPAddress.None))
.Select(i => new AddressRange(i.Gateway, 32)))
.Distinct());
break;
case DiscoveryMode.Off:
default:
AddressRanges = Enumerable.Empty <AddressRange>();
break;
}
}
if (PortRanges == null)
{
switch (Request.Discovery)
{
case DiscoveryMode.Local:
PortRanges = PortRange.All;
break;
case DiscoveryMode.Fast:
PortRanges = PortRange.WellKnown;
break;
case DiscoveryMode.Scan:
PortRanges = PortRange.Unassigned;
break;
case DiscoveryMode.Network:
PortRanges = PortRange.OpcUa;
break;
case DiscoveryMode.Off:
default:
PortRanges = Enumerable.Empty <PortRange>();
break;
}
}
// Update reported configuration with used settings
if (AddressRanges != null && AddressRanges.Any())
{
Request.Configuration.AddressRangesToScan = AddressRange.Format(AddressRanges);
TotalAddresses = AddressRanges?.Sum(r => r.Count) ?? 0;
}
if (PortRanges != null && PortRanges.Any())
{
Request.Configuration.PortRangesToScan = PortRange.Format(PortRanges);
TotalPorts = PortRanges?.Sum(r => r.Count) ?? 0;
}
Request.Configuration.IdleTimeBetweenScans ??= kDefaultIdleTime;
Request.Configuration.PortProbeTimeout ??= kDefaultPortProbeTimeout;
Request.Configuration.NetworkProbeTimeout ??= kDefaultNetworkProbeTimeout;
}
/// <summary>
/// Create request wrapper
/// </summary>
/// <param name="request"></param>
/// <param name="networkClass"></param>
/// <param name="isScan"></param>
public DiscoveryRequest(DiscoveryRequestModel request,
NetworkClass networkClass = NetworkClass.Wired, bool isScan = false)
{
Request = request?.Clone() ?? throw new ArgumentNullException(nameof(request));
_cts = new CancellationTokenSource();
NetworkClass = networkClass;
IsScan = isScan;
if (request == null)
{
request = new DiscoveryRequestModel {
Discovery = DiscoveryMode.Off
};
}
if (request.Configuration == null)
{
request.Configuration = new DiscoveryConfigModel();
}
if (!string.IsNullOrEmpty(request.Configuration.AddressRangesToScan))
{
if (AddressRange.TryParse(request.Configuration.AddressRangesToScan,
out var addresses))
{
AddressRanges = addresses;
}
}
if (AddressRanges == null)
{
switch (request.Discovery)
{
case DiscoveryMode.Local:
AddressRanges = NetworkInformationEx.GetAllNetInterfaces(NetworkClass)
.Select(t => new AddressRange(t, true)).Distinct();
break;
case DiscoveryMode.Fast:
var interfaces = NetworkInformationEx.GetAllNetInterfaces(NetworkClass.Wired);
AddressRanges = interfaces.Select(t => new AddressRange(t, false, 24));
AddressRanges = AddressRanges.Concat(interfaces
.Where(t => t.Gateway != null &&
!t.Gateway.Equals(System.Net.IPAddress.Any) &&
!t.Gateway.Equals(System.Net.IPAddress.None))
.Select(i => new AddressRange(i.Gateway, 32)));
break;
case DiscoveryMode.Off:
AddressRanges = Enumerable.Empty <AddressRange>();
break;
case DiscoveryMode.Scan:
AddressRanges = NetworkInformationEx.GetAllNetInterfaces(NetworkClass)
.Select(t => new AddressRange(t, false)).Distinct();
break;
default:
AddressRanges = Enumerable.Empty <AddressRange>();
break;
}
}
request.Configuration.AddressRangesToScan = AddressRange.Format(AddressRanges);
if (!string.IsNullOrEmpty(request.Configuration.PortRangesToScan))
{
if (PortRange.TryParse(request.Configuration.PortRangesToScan,
out var ports))
{
PortRanges = ports;
}
}
if (PortRanges == null)
{
switch (request.Discovery)
{
case DiscoveryMode.Local:
PortRanges = PortRange.All;
break;
case DiscoveryMode.Fast:
PortRanges = PortRange.WellKnown;
break;
case DiscoveryMode.Scan:
PortRanges = PortRange.Unassigned;
break;
case DiscoveryMode.Off:
PortRanges = Enumerable.Empty <PortRange>();
break;
default:
PortRanges = PortRange.OpcUa;
break;
}
}
request.Configuration.PortRangesToScan = PortRange.Format(PortRanges);
request.Configuration.IdleTimeBetweenScans ??= kDefaultIdleTime;
request.Configuration.PortProbeTimeout ??= kDefaultPortProbeTimeout;
request.Configuration.NetworkProbeTimeout ??= kDefaultNetworkProbeTimeout;
TotalAddresses = AddressRanges?.Sum(r => r.Count) ?? 0;
TotalPorts = PortRanges?.Sum(r => r.Count) ?? 0;
}
