Ejemplo n.º 1
0
        /*Converts the red message to display it's information on the screen
         */
        private void processRedMessage()
        {
            //Red Message processing
            txtShortestPathRed.Text = "";
            initializeGraphRed();
            djikstra();

            //Builds a string indicating the path taken by the red message and displays it.
            Vertex v = R4;
            String pathRed = R4.vertID;
            while (v.previousVertex != R1)
            {
                pathRed = (v.previousVertex.vertID + "->") + pathRed;
                v = v.previousVertex;
            }
            pathRed = (R1.vertID + "->") + pathRed;
            txtShortestPathRed.Text = pathRed;
            txtDistanceRed.Text = R4.minDistance.ToString();

            //Begins message conversion
            pathCollectionRed.Clear();
            startX1Red = 0;
            messageRed = "";
            crcStringRed = Convert.ToString(Convert.ToInt64(h1Address, 16), 2) + Convert.ToString(Convert.ToInt64(r1Address, 16), 2) + Convert.ToString(Convert.ToInt64("0802", 16), 2) + SupportClasses.binPrint(messageRed);
            Console.WriteLine(crcStringRed); binaryRepresentation1Red = "";
            binaryRepresentation2Red = "";
            messageRed = txtInput1.Text;
            message1LengthRed = messageRed.Length;
            binaryRepresentation1Red += SupportClasses.buildFrame(h1Address, r1Address) + SupportClasses.binPrint(messageRed);
            binaryRepresentation2Red += SupportClasses.buildFrame(r1Address, r2Address) + SupportClasses.binPrint(messageRed);
            byte[] b1Red = System.Text.Encoding.ASCII.GetBytes(crcStringRed);
            byte[] b2Red = System.Text.Encoding.ASCII.GetBytes(crcStringRed);
            binaryRepresentation1Red += Convert.ToString(Convert.ToInt64(calcCRC(b1Red), 10), 2);
            binaryRepresentation2Red += Convert.ToString(Convert.ToInt64(calcCRC(b2Red), 10), 2);
            crc32Red = new CRCCalc();
            crc32Red.ComputeHash(b2Red);
            crcValueRed = crc32Red.CrcValue.ToString("X");
            buildSinePathRed();
            frameTextBlockRed.Text = "Red Ethernet Frame Contents:\nPreamble: AAAAAAAAAAAAAA\nStart Frame Delimeter: AB\n" +
                    "Destination: " + h1Address + "\nSource: " + r1Address + "\nType: 0802\n" + "Data: " + messageRed + "\nCRC: "
                    + crcValueRed;

            //Determines which animation to play for the red message
            switch (txtShortestPathRed.Text)
            {
                case "R1->R2->R3->R4":
                    animationRed1234.Begin();
                    break;
                case "R1->R7->R8->R4":
                    animationRed1784.Begin();
                    break;
                case "R1->R2->R5->R6->R8->R4":
                    animationRed25684.Begin();
                    break;
                case "R1->R7->R5->R6->R3->R4":
                    animationRed75634.Begin();
                    break;
                case "R1->R7->R5->R6->R8->R4":
                    animationRed75684.Begin();
                    break;
                case "R1->R7->R5->R2->R3->R4":
                    animationRed75234.Begin();
                    break;
                case "R1->R2->R5->R7->R8->R4":
                    animationRed25784.Begin();
                    break;
                case "R1->R2->R3->R6->R8->R4":
                    animationRed23684.Begin();
                    break;
                case "R1->R7->R8->R6->R3->R4":
                    animationRed78634.Begin();
                    break;
                case "R1->R2->R5->R6->R3->R4":
                    animationRed25634.Begin();
                    break;
                default:
                    break;
            }
        }
Ejemplo n.º 2
0
 private String calcCRC(byte[] input)
 {
     CRCCalc calc = new CRCCalc();
     calc.ComputeHash(input);
     uint crc = calc.CrcValue;
     return crc.ToString();
 }