internal PcapInterface(PcapUnmanagedStructures.pcap_if pcapIf) { Name = pcapIf.Name; Description = pcapIf.Description; Flags = pcapIf.Flags; // retrieve addresses Addresses = new List <PcapAddress>(); IntPtr address = pcapIf.Addresses; while (address != IntPtr.Zero) { //A sockaddr struct PcapUnmanagedStructures.pcap_addr addr; //Marshal memory pointer into a struct addr = (PcapUnmanagedStructures.pcap_addr)Marshal.PtrToStructure(address, typeof(PcapUnmanagedStructures.pcap_addr)); PcapAddress newAddress = new PcapAddress(addr); Addresses.Add(newAddress); // is this a hardware address? // if so we should set our internal m_macAddress member variable if ((newAddress.Addr != null) && (newAddress.Addr.type == Sockaddr.AddressTypes.HARDWARE)) { if (m_macAddress == null) { m_macAddress = newAddress; } else { throw new System.InvalidOperationException("found multiple hardware addresses, existing addr " + MacAddress.ToString() + ", new address " + newAddress.Addr.hardwareAddress.ToString()); } } address = addr.Next; // move to the next address } }
internal PcapInterface(PcapUnmanagedStructures.pcap_if pcapIf) { Name = pcapIf.Name; Description = pcapIf.Description; Flags = pcapIf.Flags; // retrieve addresses Addresses = new List<PcapAddress>(); IntPtr address = pcapIf.Addresses; while (address != IntPtr.Zero) { //A sockaddr struct PcapUnmanagedStructures.pcap_addr addr; //Marshal memory pointer into a struct addr = (PcapUnmanagedStructures.pcap_addr)Marshal.PtrToStructure(address, typeof(PcapUnmanagedStructures.pcap_addr)); PcapAddress newAddress = new PcapAddress(addr); Addresses.Add(newAddress); // is this a hardware address? // if so we should set our internal m_macAddress member variable if ((newAddress.Addr != null) && (newAddress.Addr.type == Sockaddr.AddressTypes.HARDWARE)) { if (m_macAddress == null) { m_macAddress = newAddress; } else { throw new System.InvalidOperationException("found multiple hardware addresses, existing addr " + MacAddress.ToString() + ", new address " + newAddress.Addr.hardwareAddress.ToString()); } } address = addr.Next; // move to the next address } }