/// <summary>
/// Gets or creates an OsxNetworkInterface, based on whether it already exists in the given Dictionary.
/// If created, it is added to the Dictionary.
/// </summary>
/// <param name="interfaces">The Dictionary of existing interfaces.</param>
/// <param name="name">The name of the interface.</param>
/// <returns>The cached or new OsxNetworkInterface with the given name.</returns>
private static OsxNetworkInterface GetOrCreate(Dictionary<string, OsxNetworkInterface> interfaces, string name)
{
OsxNetworkInterface oni;
if (!interfaces.TryGetValue(name, out oni))
{
oni = new OsxNetworkInterface(name);
interfaces.Add(name, oni);
}
return oni;
}
/// <summary>
/// Gets or creates an OsxNetworkInterface, based on whether it already exists in the given Dictionary.
/// If created, it is added to the Dictionary.
/// </summary>
/// <param name="interfaces">The Dictionary of existing interfaces.</param>
/// <param name="name">The name of the interface.</param>
/// <returns>The cached or new OsxNetworkInterface with the given name.</returns>
private static OsxNetworkInterface GetOrCreate(Dictionary <string, OsxNetworkInterface> interfaces, string name)
{
OsxNetworkInterface oni;
if (!interfaces.TryGetValue(name, out oni))
{
oni = new OsxNetworkInterface(name);
interfaces.Add(name, oni);
}
return(oni);
}
private UnicastIPAddressInformationCollection GetUnicastAddresses()
{
UnicastIPAddressInformationCollection collection = new UnicastIPAddressInformationCollection();
foreach (UnicastIPAddressInformation info in
OsxNetworkInterface.GetOsxNetworkInterfaces().SelectMany(oni => oni.GetIPProperties().UnicastAddresses))
{
// PERF: Use Interop.Sys.EnumerateInterfaceAddresses directly here.
collection.InternalAdd(info);
}
return(collection);
}
public static unsafe NetworkInterface[] GetOsxNetworkInterfaces()
{
Dictionary <string, OsxNetworkInterface> interfacesByName = new Dictionary <string, OsxNetworkInterface>();
List <Exception> exceptions = null;
const int MaxTries = 3;
for (int attempt = 0; attempt < MaxTries; attempt++)
{
// Because these callbacks are executed in a reverse-PInvoke, we do not want any exceptions
// to propogate out, because they will not be catchable. Instead, we track all the exceptions
// that are thrown in these callbacks, and aggregate them at the end.
int result = Interop.Sys.EnumerateInterfaceAddresses(
(name, ipAddr, maskAddr) =>
{
try
{
OsxNetworkInterface oni = GetOrCreate(interfacesByName, name);
oni.ProcessIpv4Address(ipAddr, maskAddr);
}
catch (Exception e)
{
if (exceptions == null)
{
exceptions = new List <Exception>();
}
exceptions.Add(e);
}
},
(name, ipAddr, scopeId) =>
{
try
{
OsxNetworkInterface oni = GetOrCreate(interfacesByName, name);
oni.ProcessIpv6Address(ipAddr, *scopeId);
}
catch (Exception e)
{
if (exceptions == null)
{
exceptions = new List <Exception>();
}
exceptions.Add(e);
}
},
(name, llAddr) =>
{
try
{
OsxNetworkInterface oni = GetOrCreate(interfacesByName, name);
oni.ProcessLinkLayerAddress(llAddr);
}
catch (Exception e)
{
if (exceptions == null)
{
exceptions = new List <Exception>();
}
exceptions.Add(e);
}
});
if (exceptions != null)
{
throw new NetworkInformationException(SR.net_PInvokeError, new AggregateException(exceptions));
}
else if (result == 0)
{
return(interfacesByName.Values.ToArray());
}
else
{
interfacesByName.Clear();
}
}
throw new NetworkInformationException(SR.net_PInvokeError);
}
public OsxIpInterfaceProperties(OsxNetworkInterface oni, int mtu) : base(oni)
{
_ipv4Properties = new OsxIPv4InterfaceProperties(oni, mtu);
_ipv6Properties = new OsxIPv6InterfaceProperties(oni, mtu);
_gatewayAddresses = GetGatewayAddresses(oni.Index);
}
public OsxIpInterfaceProperties(OsxNetworkInterface oni, int mtu) : base(oni)
{
_ipv4Properties = new OsxIPv4InterfaceProperties(oni, mtu);
_ipv6Properties = new OsxIPv6InterfaceProperties(oni, mtu);
_gatewayAddresses = GetGatewayAddresses(oni.Index);
}