ar664_sampling.cs

/*******************************************************************************
//
//   File:
//       ar664_sampling.cs
//
//       Copyright (c) MAX Technologies Inc. 1988-2019, All Rights Reserved.
//             CONFIDENTIAL AND PROPRIETARY INFORMATION WHICH IS THE 
//                         PROPERTY OF MAX TECHNOLOGIES INC. 
//
//    This demo shows how to send periodic data and monitor in sampling
//    mode the inbound traffic using the MXF4 Sampling API services. 
//
//    Hardware Requirements:
//       - FlexMulti with A664 
//
*******************************************************************************/

#define LOOPBACK
//#define LOCAL

using System;
using System.Net;
using System.Runtime.InteropServices;

using static MAXT.MXFoundation.mxf;


namespace ar664_example
{
    public class ar664_sampling
    {
        private const UInt32 TEST_DATASIZE = 64;

        private const UInt64 DATARECS_BUFFER_SIZE_MAX = 64 * 1024;

        private const string SRC_IP_ADRS = "10.0.0.111";
        private const UInt32 SRC_UDP_PORT = 1234;
        private const string DST_IP_ADRS = "10.0.0.222";
        private const UInt32 DST_UDP_PORT = 5678;


        static void Main(string[] args)
        {
            UInt64 server = 0;
            UInt64 portTx = 0;
            UInt64 portRx = 0;
            UInt64 vlTx = 0, vlRx = 0;
            UInt64 rxBuffer = 0;
            var module = new UInt64[1];
            UInt64 device = 0;
            var phyChn = new UInt64[1];
            IntPtr recPtr = IntPtr.Zero;
            var txRec = new MXF_A664_DATAREC();
            var vlParamTx = new MXF_A664_VL_PARAM_TX();
            var vlParamRx = new MXF_A664_VL_PARAM_RX();
            var portParam = new MXF_A664_PORT_PARAM();
            int srcIpAdrs = 0, dstIpAdrs = 0;
            UInt64 status;
            UInt64 usedBytes, freeBytes;
            UInt64 msgCount = 0;
            UInt32 dataIdx;
            UInt32 vlid = 100;
            UInt32 rc;
            UInt64 count = 0;

            // Connect to server
# if LOCAL
            rc = mxfServerConnect("0.0.0.0", "", "", FALSE, &server);
#else
            rc = mxfServerConnect("192.168.0.1", "admin", "admin", 0, out server);
#endif
            if (rc != MAXT_SUCCESS)
            {
                Console.Write("Failed to connect; rc=0x{0:x8}\n", rc);
                Console.Write("\nPress a key to terminate\n");
                Console.ReadKey();
                return;
            }

            // Initialize server, allocate base resources
            rc = mxfSystemInit(server);

            // Get the first device handle
            if (rc == MAXT_SUCCESS)
                rc = mxfSystemDeviceGet(server, 0, out device);

            // Get the first A664 module
            if (rc == MAXT_SUCCESS)
                rc = mxfDeviceModuleAllGet(device, MXF_MODULE_A664, 1, out count, module);

            // Obtain the first ARINC 664 Phy channel (Phy logical #0)
            if (rc == MAXT_SUCCESS && count > 0)
                rc = mxfModuleChannelAllGet(module[0], MXF_CLASS_A664, MXF_SCLASS_RX_CHANNEL, 1, out count, phyChn);

            // If module or channel not found, return an error
            if (rc == MAXT_SUCCESS && count == 0)
                rc = MAXT_ERROR_NOT_FOUND;

#if LOOPBACK
            if (rc == MAXT_SUCCESS)
                rc = mxfAttributeUint64Set(phyChn[0], KMXF_A664_PHY_LOOPBACK, VMXF_A664_PHY_LOOPBACK_EXTERNAL);
            if (rc == MAXT_SUCCESS)
                mxfSleep(500);
#endif

            // Set Timebase
            if (rc == MAXT_SUCCESS)
                rc = mxfSystemTimeBaseSet(server, MXF_TIMEBASE_DEVICE_NSEC);

            // Create the transmission (TX) virtual link
            if (rc == MAXT_SUCCESS)
            {
                vlParamTx.dir.Tx.subVl = new MXF_A664_VL_PARAM_TX.Dir.TX.SubVl[4];


                vlParamTx.direction = MXF_A664_VL_DIR_TX;
                vlParamTx.VLId = vlid;
                vlParamTx.frameType = MXF_A664_FRAME_TYPE_ARINC664;
                vlParamTx.frameSizeMax = 512;
                vlParamTx.dir.Tx.subVlNumber = 1;
                vlParamTx.dir.Tx.bag = 1 * 1000 * 1000;  // 1ms
                vlParamTx.dir.Tx.netSelection = MXF_A664_NETSELECT_ALL;
                vlParamTx.dir.Tx.Ede.enable = VMXF_DISABLE;
                vlParamTx.dir.Tx.subVl[0].bufferSize = vlParamTx.frameSizeMax;
                vlParamTx.dir.Tx.subVl[0].maxBuffers = 1;

                rc = mxfA664VlCreate(phyChn[0], ref vlParamTx, out vlTx);
            }


            // Create the transmission COM port
            if (rc == MAXT_SUCCESS)
            {
                srcIpAdrs = BitConverter.ToInt32(IPAddress.Parse(SRC_IP_ADRS).GetAddressBytes(), 0);
                srcIpAdrs = IPAddress.HostToNetworkOrder(srcIpAdrs); // address is in host byte order
                dstIpAdrs = BitConverter.ToInt32(IPAddress.Parse(DST_IP_ADRS).GetAddressBytes(), 0);
                dstIpAdrs = IPAddress.HostToNetworkOrder(dstIpAdrs);

                portParam = new MXF_A664_PORT_PARAM();
                portParam.portType = MXF_A664_PORT_TYPE_COM;
                portParam.family = MXF_A664_PORT_FAMILY_IPV4;
                portParam.mode = MXF_A664_PORT_MODE_SAMPLING;
                portParam.dir.Tx.Sampling.rate = 10 * 1000 * 1000; // 10ms
                //portParam.dir.Tx.Sampling.options = MXF_A664_PORT_SAMPLING_OPT_SEND_STALE_DATA;
                portParam.type.COM.destAddress.port = DST_UDP_PORT;
                portParam.type.COM.destAddress.version.IPv4.address = (UInt32)dstIpAdrs;
                portParam.type.COM.srcAddress.port = SRC_UDP_PORT;
                portParam.type.COM.srcAddress.version.IPv4.address = (UInt32)srcIpAdrs;

                rc = mxfA664PortCreate(vlTx, ref portParam, out portTx);
            }

            // Create the reception (RX) virtual link
            if (rc == MAXT_SUCCESS)
            {
                vlParamRx = new MXF_A664_VL_PARAM_RX();

                vlParamRx.VLId = vlid;
                vlParamRx.frameType = MXF_A664_FRAME_TYPE_ARINC664;
                vlParamRx.direction = MXF_A664_VL_DIR_RX;
                vlParamRx.frameSizeMax = 512;
                vlParamRx.dir.Rx.Mac.skewMax = 4 * 1000 * 1000;
                vlParamRx.dir.Rx.Mac.rmPSNRange = 2;

                rc = mxfA664VlCreate(phyChn[0], ref vlParamRx, out vlRx);
            }
            // Create SAP RX port
            if (rc == MAXT_SUCCESS)
            {
                portParam = new MXF_A664_PORT_PARAM();
                portParam.portType = MXF_A664_PORT_TYPE_COM;
                portParam.family = MXF_A664_PORT_FAMILY_IPV4;
                portParam.mode = MXF_A664_PORT_MODE_SAMPLING;
                portParam.dir.Rx.network = MXF_A664_NETSELECT_ALL;
                portParam.dir.Rx.maxBuffers = 1;
                portParam.dir.Rx.bufferSize = 512;
                portParam.type.COM.destAddress.port = DST_UDP_PORT;
                portParam.type.COM.destAddress.version.IPv4.address = (UInt32)dstIpAdrs;
                portParam.type.COM.srcAddress.port = SRC_UDP_PORT;
                portParam.type.COM.srcAddress.version.IPv4.address = (UInt32)srcIpAdrs;

                rc = mxfA664PortCreate(vlRx, ref portParam, out portRx);
            }

            // Get buffer handle automatically allocated for the port
            if (rc == MAXT_SUCCESS)
                rc = mxfRxSamplingBufferGet(portRx, out rxBuffer);

            // Set sampling port killtime to 1 sec
            if (rc == MAXT_SUCCESS)
                rc = mxfRxSamplingKilltimeSet(rxBuffer, 1 * 1000 * 1000 * 1000);

            // Start sampling, check status
            if (rc == MAXT_SUCCESS)
                rc = mxfRxSamplingStart(rxBuffer);

            if (rc == MAXT_SUCCESS)
            {
                rc = mxfRxSamplingBufferStatusGet(rxBuffer, out status, out msgCount, out usedBytes, out freeBytes);
                if (rc == MAXT_SUCCESS && (status & MXF_RXSAMPLING_STATUS_RUNNING) > 0)
                    Console.Write("Sampling Running\n");
            }

            if (rc == MAXT_SUCCESS)
            {
                try
                {
                    recPtr = Marshal.AllocHGlobal((int)DATARECS_BUFFER_SIZE_MAX);
                }
                catch (OutOfMemoryException)
                {
                    rc = MAXT_ERROR_MEM;
                }
            }

            // Transmit and Receive the data
            for (count = 0; count < 10 && rc == MAXT_SUCCESS; count++)
            {
                // Build the Transmit Record
                if ((count % 5) == 0)
                {
                    txRec = new MXF_A664_DATAREC();
                    txRec.data = new byte[8192];

                    txRec.dataSize = TEST_DATASIZE;
                    txRec.repeatCount = 1;
                    for (dataIdx = 0; dataIdx < TEST_DATASIZE; dataIdx++)
                        txRec.data[dataIdx] = (byte)((dataIdx + ((count * TEST_DATASIZE) & 0xff)) & 0xff);


                    Marshal.StructureToPtr(txRec, recPtr, true);
                    rc = mxfA664TxPeriodicUpdateMsgWrite(portTx, 1, recPtr);
                }

                if (rc == MAXT_SUCCESS)
                {
                    mxfSleep(500);
                    rc = readSamplingData(rxBuffer);
                }
            }

            // Terminate Sampling
            if (rc == MAXT_SUCCESS)
                rc = mxfRxSamplingStop(rxBuffer);

            // Make sure the sampling if stopped
            if (rc == MAXT_SUCCESS)
            {
                rc = mxfRxSamplingBufferStatusGet(rxBuffer, out status, out msgCount, out usedBytes, out freeBytes);
                if (rc == MAXT_SUCCESS && (status & MXF_RXSAMPLING_STATUS_STOPPED) > 0)
                    Console.Write("\nSampling stopped\n");
            }
            // Free Ports Resources
            if (rc == MAXT_SUCCESS)
                rc = mxfRxSamplingBufferFree(rxBuffer);

            // Free COM ports
            if (rc == MAXT_SUCCESS)
                rc = mxfA664PortRelease(portTx);

            if (rc == MAXT_SUCCESS)
                rc = mxfA664PortRelease(portRx);

            // Free VL(s)
            if (rc == MAXT_SUCCESS)
                rc = mxfA664VlRelease(vlRx);

            if (rc == MAXT_SUCCESS)
                rc = mxfA664VlRelease(vlTx);

            if (recPtr != IntPtr.Zero)
                Marshal.FreeHGlobal(recPtr);


            mxfSystemTerminate(server);
            mxfServerDisconnect(server);

            Console.Write("\n\nPress a key to terminate rc=0x{0:X8}\n", rc);
            Console.ReadKey();

            return;
        }

        private static UInt32 readSamplingData(UInt64 rxBuffer)
        {

            IntPtr sampRecPtr = IntPtr.Zero;
            var rxRec = new MXF_A664_SAMPREC();
            UInt64 dataIdx;
            UInt64 msgCount = 0, bytesCount = 0;
            UInt32 dataSize;
            UInt32 rc = 0;

            try
            {
                sampRecPtr = Marshal.AllocHGlobal((int)DATARECS_BUFFER_SIZE_MAX);
            }
            catch (OutOfMemoryException)
            {
                rc = MAXT_ERROR_MEM;
            }


            // Read and display records 
            if (rc == MAXT_SUCCESS)
                rc = mxfA664RxSamplingRead(rxBuffer, 0, 0, DATARECS_BUFFER_SIZE_MAX, out msgCount, out bytesCount, sampRecPtr);

            if (rc == MAXT_SUCCESS)
                Console.Write("{0} records received\n\n", msgCount);

            if (msgCount > 0 && rc == MAXT_SUCCESS)
            {
                rxRec = (MXF_A664_SAMPREC)Marshal.PtrToStructure(sampRecPtr, typeof(MXF_A664_SAMPREC));

                Console.Write("  timeTag={0:D12}, Size={1}\n", rxRec.timeTag, rxRec.dataSize);
                Console.Write("\n        data=");

                dataSize = rxRec.dataSize;

                for (dataIdx = 0; dataIdx < dataSize; dataIdx++)
                {
                    Console.Write("{0:X2} ", rxRec.data[dataIdx]);

                    if (((dataIdx + 1) % 8) == 0 && (dataIdx + 1 < rxRec.dataSize))
                        Console.Write("\n             ");
                }
                Console.Write("\n\n");
            }
            return rc;
        }
    }
}