Example #1
0
 public int updateRequestEvent(int currentTime, DeviceDownlinkBuffer deviceDownlinkBuffer, SatelliteUplinkBuffer satelliteUplinkBuffer, SatelliteDownlinkBuffer satelliteDownlinkBuffer)
 {
     int finished = 0;
     if (currentTime == _finishTime)
     {
     finished = 1;
     return finished;
     }
     if (currentTime == _tStartTime)
     {
     satelliteUplinkBuffer.startUsingRequest(currentTime);
     satelliteDownlinkBuffer.startUsing();
     _waitingForSatellite = 1;
     return finished;
     }
     if (_waitingForSatellite == 1)
     {
     if (satelliteUplinkBuffer.updateRequest(currentTime) == 1)
     {
     satelliteDownlinkBuffer.startSending(currentTime);
     _waitingForSatellite = 0;
     }
     return finished;
     }
     else
     {
     int latched2BytesToDeviceDownlink;
     latched2BytesToDeviceDownlink = satelliteDownlinkBuffer.update(currentTime);
     if (latched2BytesToDeviceDownlink == 1)
     {
             if (_numBytesFinished == _transactionSize - 2)
             {
                 _finishTime = currentTime + deviceDownlinkBuffer.getTimeFor2Bytes();
     }
     _numBytesFinished += 2;
     }
     return finished;
     }
 }
Example #2
0
        static void Main(string[] args)
        {
            DeviceUplinkBuffer[] deviceUplinkBuffers = new DeviceUplinkBuffer[3];
            deviceDownlinkBuffers = new DeviceDownlinkBuffer[3];
            memories = new Memory[18];
            satelliteUplinkBuffer = new SatelliteUplinkBuffer(1333344, 100);
            satelliteDownlinkBuffer = new SatelliteDownlinkBuffer(1333344, 150);
            sendEvents = new SendEvent[40];
            requestEvents = new RequestEvent[40];

            int[] csvTracker = new int[3];
            int[,] latencies = new int[3,40];
            int[] currentSendEvents = new int[3];
            int[] currentRequestEvents = new int[3];
            int tCurrentClock = 0;
            int[] wait = new int[3];
            string[] currentEventOperations = new string[3];

            int i;
            int finished;
            int j;
            int m;

            for (i = 0; i < 3; i++)
            {
            csvTracker[i] = 0;
            wait[i] = 0;
            deviceUplinkBuffers[i] = new DeviceUplinkBuffer(i,304);
            deviceDownlinkBuffers[i] = new DeviceDownlinkBuffer(i,304);
            }

            for(i = 0; i < 4; i++)
            {
                memories[i] = new Memory(128, 1);
            }
            for(i = 4; i < 8; i++)
            {
                memories[i] = new Memory(512, 8);
            }
            for(i = 8; i < 18; i++)
            {
                memories[i] = new Memory(1024, 15);
            }

            CsvObj[,] csvObjs = new CsvObj[3,15];
            csvObjs[0,0] = new CsvObj(0,1,"SEND",128,1);
            csvObjs[0,1] = new CsvObj(150,1,"SEND",1024,4);
            csvObjs[0,2] = new CsvObj(210,1,"REQUEST",128,2);
            csvObjs[0,3] = new CsvObj(1000,1,"REQUEST",128,3);
            csvObjs[0,4] = new CsvObj(12000,1,"REQUEST",1024,10);
            csvObjs[1,0] = new CsvObj(50,2,"SEND",128,2);
            csvObjs[1,1] = new CsvObj(200,2,"REQUEST",128,1);
            csvObjs[1,2] = new CsvObj(1100,2,"REQUEST",128,3);
            csvObjs[1,3] = new CsvObj(11500,2,"REQUEST",1024,12);
            csvObjs[2,0] = new CsvObj(100,3,"SEND",128,3);
            csvObjs[2,1] = new CsvObj(300,3,"SEND",1024,5);
            csvObjs[2,2] = new CsvObj(400,3,"SEND",1024,6);
            csvObjs[2,3] = new CsvObj(500,3,"SEND",512,7);
            csvObjs[2,4] = new CsvObj(2000,3,"SEND",1024,8);
            csvObjs[2,5] = new CsvObj(3000,3,"SEND",1024,9);
            csvObjs[2,6] = new CsvObj(4000,3,"SEND",1024,10);
            csvObjs[2,7] = new CsvObj(5000,3,"SEND",1024,11);
            csvObjs[2,8] = new CsvObj(6000,3,"SEND",1024,12);
            csvObjs[2,9] = new CsvObj(7000,3,"SEND",1024,13);
            csvObjs[2,10] = new CsvObj(8000,3,"SEND",1024,14);
            csvObjs[2,11] = new CsvObj(9000,3,"SEND",1024,15);
            csvObjs[2,12] = new CsvObj(10000,3,"SEND",1024,16);
            csvObjs[2,13] = new CsvObj(11000,3,"SEND",1024,17);
            csvObjs[2,14] = new CsvObj(12100,3,"REQUEST",512,7);

            //foreach (CsvObj poop in csvObjs)
            //{
            //if(poop._operation == "SEND")
            //{
            //	poop._device += 3;
            //}
            //}

            while (tCurrentClock < 50000000000)
            {

            if (csvTracker[0] == 5 && csvTracker[1] == 4 && csvTracker[2] == 15)
            {
            int count;
            System.Console.WriteLine("----Device 0 Latencies----");
            for (count = 0; count < 5; count++)
            {
            System.Console.WriteLine(latencies[0,count]);
            }
            System.Console.WriteLine("----Device 1 Latencies----");
            for (count = 0; count < 4; count++)
            {
            System.Console.WriteLine(latencies[1,count]);
            }
            System.Console.WriteLine("----Device 2 Latencies----");
            for (count = 0; count < 15; count++)
            {
            System.Console.WriteLine(latencies[2,count]);
            }
            break;
            }

            for(i = 0; i < 3; i++)
                {
            if (i == 0 && csvTracker[i] == 5)
            {
            continue;
            }
            if (i == 1 && csvTracker[i] == 4)
            {
            continue;
            }
            if (i == 2 && csvTracker[i] == 15)
            {
            continue;
            }

            finished = 0;
            if (tCurrentClock == 0)
            {
            currentEventOperations[i] = csvObjs[i,0]._operation;
            j = whichMemoryToSend (csvObjs[i,0]._size, memories);
            sendEvents[i] = new SendEvent(csvObjs[i,csvTracker[i]]._csvTime, csvObjs[i,csvTracker[i]]._size, csvObjs[i,csvTracker[i]]._trDataTag, i, false, j);
            memories[j].startUsing();
            }
            if (wait[i] == 1)
            {
            if (satelliteUplinkBuffer._inUse == 0)
            {
                if (csvObjs[i,csvTracker[i]]._operation == "SEND")
                {
                    currentEventOperations[i] = "SEND";
                j = whichMemoryToEvict(csvObjs[i,csvTracker[i]]._size);
                sendEvents[i] = new SendEvent(csvObjs[i,csvTracker[i]]._csvTime, csvObjs[i,csvTracker[i]]._size, csvObjs[i,csvTracker[i]]._trDataTag, i, true, j);
                memories[j].startUsing();
                satelliteUplinkBuffer.startUsing();
                }
                else
                {
                    currentEventOperations[i] = "REQUEST";
                requestEvents[i] = new RequestEvent(csvObjs[i,csvTracker[i]]._csvTime, csvObjs[i,csvTracker[i]]._size, csvObjs[i,csvTracker[i]]._trDataTag, i, false, -1);
                satelliteUplinkBuffer.startUsing();
                satelliteDownlinkBuffer.startUsing();
                }
                wait[i] = 0;
                continue;
            }
            else
            {
                continue;
            }
            }
            if (currentEventOperations[i] == "SEND")
            {
            if (sendEvents[i]._evicting == true)
            {
                finished = sendEvents[i].updateSendEvent(tCurrentClock, deviceUplinkBuffers[i], memories[sendEvents[i]._memoryDestination], satelliteUplinkBuffer);
                }
                else
                {
                finished = sendEvents[i].updateSendEvent(tCurrentClock, deviceUplinkBuffers[i], memories[sendEvents[i]._memoryDestination]);
                }

            }
            else
            {
            if(requestEvents[i]._inMemory)
            {
                finished = requestEvents[i].updateRequestEvent(tCurrentClock, deviceDownlinkBuffers[i], memories[requestEvents[i]._memoryDesignation]);
            }
            else
            {
                finished = requestEvents[i].updateRequestEvent(tCurrentClock, deviceDownlinkBuffers[i], satelliteUplinkBuffer, satelliteDownlinkBuffer);
            }
            }
            if (finished == 1)
            {
                if (currentEventOperations[i] == "SEND")
                {
                if (sendEvents[i]._evicting == true)
                {
                    satelliteUplinkBuffer.stopUsing();
                }
                memories[sendEvents[i]._memoryDestination].stopUsing();
                }
                else
                {
                if (requestEvents[i]._inMemory)
                {
                    memories[requestEvents[i]._memoryDesignation].stopUsing();
                }
                else
                {
                    satelliteUplinkBuffer.stopUsing();
                    satelliteDownlinkBuffer.stopUsing();
                }
                }
                latencies[i,csvTracker[i]] = tCurrentClock - csvObjs[i,csvTracker[i]]._csvTime;
                        //System.Console.WriteLine(tCurrentClock);
                        //System.Console.WriteLine("-----------");
                csvTracker[i] += 1;

            if (i == 0 && csvTracker[i] == 5)
            {
            continue;
            }
            if (i == 1 && csvTracker[i] == 4)
            {
            continue;
            }
            if (i == 2 && csvTracker[i] == 15)
            {
            continue;
            }

                if (csvObjs[i,csvTracker[i]]._operation == "SEND")
                {
                currentEventOperations[i] = "SEND";
                j = whichMemoryToSend(csvObjs[i,csvTracker[i]]._size, memories);
                if (j == -1)
                {
                    j = whichMemoryToEvict(csvObjs[i,csvTracker[i]]._size);
                    wait[i] = satelliteUplinkBuffer._inUse;
                    if (wait[i] == 0)
                    {
                        sendEvents[i] = new SendEvent(csvObjs[i,csvTracker[i]]._csvTime, csvObjs[i,csvTracker[i]]._size, csvObjs[i,csvTracker[i]]._trDataTag, i, true, j);
                    memories[j].startUsing();
                    satelliteUplinkBuffer.startUsing();
                    }
                    else
                    {
                    continue;
                    }
                }
                else
                {
                    sendEvents[i] = new SendEvent(csvObjs[i,csvTracker[i]]._csvTime, csvObjs[i,csvTracker[i]]._size, csvObjs[i,csvTracker[i]]._trDataTag, i, false, j);
                    memories[j].startUsing();
                }
                }
                else
                {
                currentEventOperations[i] = "REQUEST";
                m = checkTags(csvObjs[i,csvTracker[i]]._trDataTag, memories);
                if (m == -1)
                {
                    wait[i] = satelliteUplinkBuffer._inUse;
                    if (wait[i] == 0)
                    {
                        requestEvents[i] = new RequestEvent(csvObjs[i,csvTracker[i]]._csvTime, csvObjs[i,csvTracker[i]]._size, csvObjs[i,csvTracker[i]]._trDataTag, i, false, -1);
                    satelliteUplinkBuffer.startUsing();
                    satelliteDownlinkBuffer.startUsing();
                    }
                }
                else
                {
                    requestEvents[i] = new RequestEvent(csvObjs[i,csvTracker[i]]._csvTime, csvObjs[i,csvTracker[i]]._size, csvObjs[i,csvTracker[i]]._trDataTag, i, true, m);
                    memories[m].startUsing();
                }
                }
            }
                }
                tCurrentClock++;
            }
        }
Example #3
0
        static void Main(string[] args)
        {
            DeviceUplinkBuffer[] deviceUplinkBuffers = new DeviceUplinkBuffer[3];
            deviceDownlinkBuffers = new DeviceDownlinkBuffer[3];
            memories = new Memory[18];
            satelliteUplinkBuffer   = new SatelliteUplinkBuffer(1333344, 100);
            satelliteDownlinkBuffer = new SatelliteDownlinkBuffer(1333344, 150);
            sendEvents    = new SendEvent[40];
            requestEvents = new RequestEvent[40];

            int[] csvTracker = new int[3];
            int[,] latencies = new int[3, 40];
            int[] currentSendEvents    = new int[3];
            int[] currentRequestEvents = new int[3];
            int   tCurrentClock        = 0;

            int[]    wait = new int[3];
            string[] currentEventOperations = new string[3];

            int i;
            int finished;
            int j;
            int m;


            for (i = 0; i < 3; i++)
            {
                csvTracker[i]            = 0;
                wait[i]                  = 0;
                deviceUplinkBuffers[i]   = new DeviceUplinkBuffer(i, 304);
                deviceDownlinkBuffers[i] = new DeviceDownlinkBuffer(i, 304);
            }


            for (i = 0; i < 4; i++)
            {
                memories[i] = new Memory(128, 1);
            }
            for (i = 4; i < 8; i++)
            {
                memories[i] = new Memory(512, 8);
            }
            for (i = 8; i < 18; i++)
            {
                memories[i] = new Memory(1024, 15);
            }


            CsvObj[,] csvObjs = new CsvObj[3, 15];
            csvObjs[0, 0]     = new CsvObj(0, 1, "SEND", 128, 1);
            csvObjs[0, 1]     = new CsvObj(150, 1, "SEND", 1024, 4);
            csvObjs[0, 2]     = new CsvObj(210, 1, "REQUEST", 128, 2);
            csvObjs[0, 3]     = new CsvObj(1000, 1, "REQUEST", 128, 3);
            csvObjs[0, 4]     = new CsvObj(12000, 1, "REQUEST", 1024, 10);
            csvObjs[1, 0]     = new CsvObj(50, 2, "SEND", 128, 2);
            csvObjs[1, 1]     = new CsvObj(200, 2, "REQUEST", 128, 1);
            csvObjs[1, 2]     = new CsvObj(1100, 2, "REQUEST", 128, 3);
            csvObjs[1, 3]     = new CsvObj(11500, 2, "REQUEST", 1024, 12);
            csvObjs[2, 0]     = new CsvObj(100, 3, "SEND", 128, 3);
            csvObjs[2, 1]     = new CsvObj(300, 3, "SEND", 1024, 5);
            csvObjs[2, 2]     = new CsvObj(400, 3, "SEND", 1024, 6);
            csvObjs[2, 3]     = new CsvObj(500, 3, "SEND", 512, 7);
            csvObjs[2, 4]     = new CsvObj(2000, 3, "SEND", 1024, 8);
            csvObjs[2, 5]     = new CsvObj(3000, 3, "SEND", 1024, 9);
            csvObjs[2, 6]     = new CsvObj(4000, 3, "SEND", 1024, 10);
            csvObjs[2, 7]     = new CsvObj(5000, 3, "SEND", 1024, 11);
            csvObjs[2, 8]     = new CsvObj(6000, 3, "SEND", 1024, 12);
            csvObjs[2, 9]     = new CsvObj(7000, 3, "SEND", 1024, 13);
            csvObjs[2, 10]    = new CsvObj(8000, 3, "SEND", 1024, 14);
            csvObjs[2, 11]    = new CsvObj(9000, 3, "SEND", 1024, 15);
            csvObjs[2, 12]    = new CsvObj(10000, 3, "SEND", 1024, 16);
            csvObjs[2, 13]    = new CsvObj(11000, 3, "SEND", 1024, 17);
            csvObjs[2, 14]    = new CsvObj(12100, 3, "REQUEST", 512, 7);

            //foreach (CsvObj poop in csvObjs)
            //{
            //if(poop._operation == "SEND")
            //{
            //	poop._device += 3;
            //}
            //}

            while (tCurrentClock < 50000000000)
            {
                if (csvTracker[0] == 5 && csvTracker[1] == 4 && csvTracker[2] == 15)
                {
                    int count;
                    System.Console.WriteLine("----Device 0 Latencies----");
                    for (count = 0; count < 5; count++)
                    {
                        System.Console.WriteLine(latencies[0, count]);
                    }
                    System.Console.WriteLine("----Device 1 Latencies----");
                    for (count = 0; count < 4; count++)
                    {
                        System.Console.WriteLine(latencies[1, count]);
                    }
                    System.Console.WriteLine("----Device 2 Latencies----");
                    for (count = 0; count < 15; count++)
                    {
                        System.Console.WriteLine(latencies[2, count]);
                    }
                    break;
                }

                for (i = 0; i < 3; i++)
                {
                    if (i == 0 && csvTracker[i] == 5)
                    {
                        continue;
                    }
                    if (i == 1 && csvTracker[i] == 4)
                    {
                        continue;
                    }
                    if (i == 2 && csvTracker[i] == 15)
                    {
                        continue;
                    }

                    finished = 0;
                    if (tCurrentClock == 0)
                    {
                        currentEventOperations[i] = csvObjs[i, 0]._operation;
                        j             = whichMemoryToSend(csvObjs[i, 0]._size, memories);
                        sendEvents[i] = new SendEvent(csvObjs[i, csvTracker[i]]._csvTime, csvObjs[i, csvTracker[i]]._size, csvObjs[i, csvTracker[i]]._trDataTag, i, false, j);
                        memories[j].startUsing();
                    }
                    if (wait[i] == 1)
                    {
                        if (satelliteUplinkBuffer._inUse == 0)
                        {
                            if (csvObjs[i, csvTracker[i]]._operation == "SEND")
                            {
                                currentEventOperations[i] = "SEND";
                                j             = whichMemoryToEvict(csvObjs[i, csvTracker[i]]._size);
                                sendEvents[i] = new SendEvent(csvObjs[i, csvTracker[i]]._csvTime, csvObjs[i, csvTracker[i]]._size, csvObjs[i, csvTracker[i]]._trDataTag, i, true, j);
                                memories[j].startUsing();
                                satelliteUplinkBuffer.startUsing();
                            }
                            else
                            {
                                currentEventOperations[i] = "REQUEST";
                                requestEvents[i]          = new RequestEvent(csvObjs[i, csvTracker[i]]._csvTime, csvObjs[i, csvTracker[i]]._size, csvObjs[i, csvTracker[i]]._trDataTag, i, false, -1);
                                satelliteUplinkBuffer.startUsing();
                                satelliteDownlinkBuffer.startUsing();
                            }
                            wait[i] = 0;
                            continue;
                        }
                        else
                        {
                            continue;
                        }
                    }
                    if (currentEventOperations[i] == "SEND")
                    {
                        if (sendEvents[i]._evicting == true)
                        {
                            finished = sendEvents[i].updateSendEvent(tCurrentClock, deviceUplinkBuffers[i], memories[sendEvents[i]._memoryDestination], satelliteUplinkBuffer);
                        }
                        else
                        {
                            finished = sendEvents[i].updateSendEvent(tCurrentClock, deviceUplinkBuffers[i], memories[sendEvents[i]._memoryDestination]);
                        }
                    }
                    else
                    {
                        if (requestEvents[i]._inMemory)
                        {
                            finished = requestEvents[i].updateRequestEvent(tCurrentClock, deviceDownlinkBuffers[i], memories[requestEvents[i]._memoryDesignation]);
                        }
                        else
                        {
                            finished = requestEvents[i].updateRequestEvent(tCurrentClock, deviceDownlinkBuffers[i], satelliteUplinkBuffer, satelliteDownlinkBuffer);
                        }
                    }
                    if (finished == 1)
                    {
                        if (currentEventOperations[i] == "SEND")
                        {
                            if (sendEvents[i]._evicting == true)
                            {
                                satelliteUplinkBuffer.stopUsing();
                            }
                            memories[sendEvents[i]._memoryDestination].stopUsing();
                        }
                        else
                        {
                            if (requestEvents[i]._inMemory)
                            {
                                memories[requestEvents[i]._memoryDesignation].stopUsing();
                            }
                            else
                            {
                                satelliteUplinkBuffer.stopUsing();
                                satelliteDownlinkBuffer.stopUsing();
                            }
                        }
                        latencies[i, csvTracker[i]] = tCurrentClock - csvObjs[i, csvTracker[i]]._csvTime;
                        //System.Console.WriteLine(tCurrentClock);
                        //System.Console.WriteLine("-----------");
                        csvTracker[i] += 1;

                        if (i == 0 && csvTracker[i] == 5)
                        {
                            continue;
                        }
                        if (i == 1 && csvTracker[i] == 4)
                        {
                            continue;
                        }
                        if (i == 2 && csvTracker[i] == 15)
                        {
                            continue;
                        }


                        if (csvObjs[i, csvTracker[i]]._operation == "SEND")
                        {
                            currentEventOperations[i] = "SEND";
                            j = whichMemoryToSend(csvObjs[i, csvTracker[i]]._size, memories);
                            if (j == -1)
                            {
                                j       = whichMemoryToEvict(csvObjs[i, csvTracker[i]]._size);
                                wait[i] = satelliteUplinkBuffer._inUse;
                                if (wait[i] == 0)
                                {
                                    sendEvents[i] = new SendEvent(csvObjs[i, csvTracker[i]]._csvTime, csvObjs[i, csvTracker[i]]._size, csvObjs[i, csvTracker[i]]._trDataTag, i, true, j);
                                    memories[j].startUsing();
                                    satelliteUplinkBuffer.startUsing();
                                }
                                else
                                {
                                    continue;
                                }
                            }
                            else
                            {
                                sendEvents[i] = new SendEvent(csvObjs[i, csvTracker[i]]._csvTime, csvObjs[i, csvTracker[i]]._size, csvObjs[i, csvTracker[i]]._trDataTag, i, false, j);
                                memories[j].startUsing();
                            }
                        }
                        else
                        {
                            currentEventOperations[i] = "REQUEST";
                            m = checkTags(csvObjs[i, csvTracker[i]]._trDataTag, memories);
                            if (m == -1)
                            {
                                wait[i] = satelliteUplinkBuffer._inUse;
                                if (wait[i] == 0)
                                {
                                    requestEvents[i] = new RequestEvent(csvObjs[i, csvTracker[i]]._csvTime, csvObjs[i, csvTracker[i]]._size, csvObjs[i, csvTracker[i]]._trDataTag, i, false, -1);
                                    satelliteUplinkBuffer.startUsing();
                                    satelliteDownlinkBuffer.startUsing();
                                }
                            }
                            else
                            {
                                requestEvents[i] = new RequestEvent(csvObjs[i, csvTracker[i]]._csvTime, csvObjs[i, csvTracker[i]]._size, csvObjs[i, csvTracker[i]]._trDataTag, i, true, m);
                                memories[m].startUsing();
                            }
                        }
                    }
                }
                tCurrentClock++;
            }
        }
Example #4
0
        public int updateSendEvent(int currentTime, DeviceUplinkBuffer deviceUplinkBuffer, Memory memory, SatelliteUplinkBuffer satelliteUplinkBuffer)
        {
            int finished = 0;

            if (currentTime == _tStartTime)
            {
                memory.writeMemTag(_trDataTag);
                deviceUplinkBuffer.setTimeFor2Bytes(currentTime, satelliteUplinkBuffer.getTimeFor2Bytes());
                int dontcare;
                dontcare            = memory.read2Bytes(_numBytesFinished);
                _firstSendToSatTime = currentTime + memory.getLatency();
                return(finished);
            }
            if (currentTime == _finishTime)
            {
                deviceUplinkBuffer.setTimeFor2Bytes(currentTime, 304);
                memory.stopUsing();
                finished = 1;
                return(finished);
            }
            if (currentTime < _firstSendToSatTime)
            {
                return(finished);
            }

            int latched2BytesFromDeviceUplink;

            latched2BytesFromDeviceUplink = deviceUplinkBuffer.update(currentTime);
            if (latched2BytesFromDeviceUplink == 1)
            {
                int last2Bytes;
                last2Bytes = memory.read2Bytes(_numBytesFinished);
                //Latch to SatelliteUplinkBuffer?
                last2Bytes = memory.write2Bytes(_numBytesFinished);
                if (last2Bytes == 1)
                {
                    _uplinkBeingUsed = false;
                    _finishTime      = currentTime + memory.getLatency() + satelliteUplinkBuffer.getLatency();
                }
                _numBytesFinished += 2;
            }
            return(finished);
        }
Example #5
0
        public int updateRequestEvent(int currentTime, DeviceDownlinkBuffer deviceDownlinkBuffer, SatelliteUplinkBuffer satelliteUplinkBuffer, SatelliteDownlinkBuffer satelliteDownlinkBuffer)
        {
            int finished = 0;

            if (currentTime == _finishTime)
            {
                finished = 1;
                return(finished);
            }
            if (currentTime == _tStartTime)
            {
                satelliteUplinkBuffer.startUsingRequest(currentTime);
                satelliteDownlinkBuffer.startUsing();
                _waitingForSatellite = 1;
                return(finished);
            }
            if (_waitingForSatellite == 1)
            {
                if (satelliteUplinkBuffer.updateRequest(currentTime) == 1)
                {
                    satelliteDownlinkBuffer.startSending(currentTime);
                    _waitingForSatellite = 0;
                }
                return(finished);
            }
            else
            {
                int latched2BytesToDeviceDownlink;
                latched2BytesToDeviceDownlink = satelliteDownlinkBuffer.update(currentTime);
                if (latched2BytesToDeviceDownlink == 1)
                {
                    if (_numBytesFinished == _transactionSize - 2)
                    {
                        _finishTime = currentTime + deviceDownlinkBuffer.getTimeFor2Bytes();
                    }
                    _numBytesFinished += 2;
                }
                return(finished);
            }
        }