public static IntPtr Resolver(string libraryName, Assembly assembly, DllImportSearchPath?searchPath)
{
if (libraryName != PCAP_DLL)
{
// Use default resolver
return(IntPtr.Zero);
}
var names = new List <string>();
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
names.Add("libpcap.so");
names.Add("libpcap.so.0");
names.Add("libpcap.so.0.8");
names.Add("libpcap.so.1");
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
names.Add("libpcap.dylib");
}
foreach (var name in names)
{
if (NativeLibraryHelper.TryLoad(name, out var handle))
{
return(handle);
}
}
return(IntPtr.Zero);
}
/// <summary>
/// The class NativeLibrary is only available since .NET Core 3.0
/// It's not available in .NET Framework,
/// but that does not affect us since we would use the Windows dll name wpcap
/// </summary>
private static void RegisterResolver()
{
NativeLibraryHelper.SetDllImportResolver(typeof(LibPcapSafeNativeMethods).Assembly, Resolver);
}