コード例 #1
0
        public override void Decode(byte[] data, int offset)
        {
            if ((PeerHeader.Flags & (1 << 7)) != 0)
            {
                var ipBytes = new byte[16];
                Array.Copy(data, offset, ipBytes, 0, 4);
                LocalAddress = new IPAddress(ipBytes);
            }
            else
            {
                var ipBytes = new byte[4];
                Array.Copy(data, offset + 12, ipBytes, 0, 4);
                LocalAddress = new IPAddress(ipBytes);
            }

            offset += 16;

            LocalPort  = EndianBitConverter.Big.ToUInt16(data, offset);
            offset    += 2;
            RemotePort = EndianBitConverter.Big.ToUInt16(data, offset);
            offset    += 2;

            SentOpenMessage     = BgpMessage.Create(data, offset) as BgpOpenMessage;
            offset             += SentOpenMessage?.Header.Length ?? 0;
            ReceivedOpenMessage = BgpMessage.Create(data, offset) as BgpOpenMessage;
        }
コード例 #2
0
        public void BgpOpenDecodes(string value)
        {
            var data = Convert.FromBase64String(value);
            var msg  = new BgpOpenMessage();

            msg.Decode(data, 0);
            Assert.Equal(msg.MyAS, 23456);
            Assert.Equal(msg.Version, 4);
            Assert.Equal(msg.HoldTime, 90);
        }
コード例 #3
0
        public static BgpMessage Create(byte[] data, int offset)
        {
            var bgpHeaderLength = 19;

            var        msgHeader = new BgpHeader(data, offset);
            BgpMessage msg;

            switch (msgHeader.Type)
            {
            case BgpMessageType.Open:
                msg = new BgpOpenMessage();
                break;

            case BgpMessageType.Update:
                msg = new BgpUpdateMessage();
                break;

            case BgpMessageType.Notification:
                msg = new BgpNotificationMessage();
                break;

            case BgpMessageType.Keepalive:
                msg = new BgpKeepAliveMessage();
                break;

            case BgpMessageType.RouteRefresh:
                msg = new BgpRouteRefreshMessage();
                break;

            default:
                return(null);
            }

            msg.Header = msgHeader;
            offset    += bgpHeaderLength;

            msg.Decode(data, offset);
            return(msg);
        }