Exemplo n.º 1
0
    def test_FileSinkTimecode(self):
        filename = self._tempfileName('source_timecode')

        # Create a source with a known start time
        time_in = time.time()
        source = sb.DataSource(dataFormat='float', startTime=time_in)
        sink = sb.FileSink(filename, midasFile=True)
        source.connect(sink)
        sb.start()

        # The data isn't important, other than to cause a pushPacket with the
        # initial timestamp
        source.push(range(16), EOS=True)
        sink.waitForEOS()

        # Read back the timecode from the output file
        hdr = bluefile.readheader(filename)
        time_out = bluefile_helpers.j1950_to_unix(hdr['timecode'])
        self.assertAlmostEqual(time_in, time_out, 5)
Exemplo n.º 2
0
    def _test_FileSink(self, format):
        filename = self._tempfileName('sink_%s' % format)

        complexData = format.startswith('C')
        typecode = format[1]
        dataFormat, dataType = self.TYPEMAP[typecode]
        indata = [dataType(x) for x in xrange(16)]

        source = sb.DataSource(dataFormat=dataFormat)
        sink = sb.FileSink(filename, midasFile=True)
        source.connect(sink)
        sb.start()
        source.push(indata, complexData=complexData, EOS=True)
        sink.waitForEOS()

        hdr, outdata = bluefile.read(filename)
        self.assertEqual(hdr['format'], format)
        if complexData:
            if dataFormat in ('double', 'float'):
                outdata = list(self._flatten(outdata))
            else:
                outdata = outdata.flatten()
        self.assertTrue(numpy.array_equal(indata, outdata), msg="Format '%s' %s != %s" % (format, indata, outdata))
Exemplo n.º 3
0
    def _test_FileSinkOctet(self, format):
        filename = self._tempfileName('sink_octet_' + format.lower())

        source = sb.DataSource(dataFormat='octet')
        sink = sb.FileSink(filename, midasFile=True)
        source.connect(sink)
        sb.start()

        # Push a 256-element ramp (the maximum range of octet)
        indata = range(256)
        isComplex = bool(format[0] == 'C')
        source.push(indata, complexData=isComplex, EOS=True)
        sink.waitForEOS()

        # Check the BLUE file format matches
        hdr, data = bluefile.read(filename)
        self.assertEqual(format, hdr['format'])

        # Have to "cast" the data to unsigned 8-bit, since 'B' is a signed type
        # (as are all BLUE formats), and flattening the array re-interleaves
        # complex data
        outdata = data.view(numpy.uint8).reshape(-1)
        self.assertTrue(numpy.array_equal(indata, outdata),
                        msg="Format '%s' %s != %s" % (format, indata, outdata))
Exemplo n.º 4
0
    def _test_FileSinkType2000(self, format, subsize):
        filename = self._tempfileName('sink_2000_%s' % format)

        complexData = format.startswith('C')
        typecode = format[1]
        dataFormat, dataType = self.TYPEMAP[typecode]

        sink = sb.FileSink(filename, midasFile=True)
        sb.start()

        # Manually create our own SRI, because DataSource doesn't support
        # setting the Y-axis fields
        sri = bulkio.sri.create('test_stream')
        if complexData:
            sri.mode = 1
        else:
            sri.mode = 0
        sri.subsize = subsize
        sri.ystart = subsize / -2.0
        sri.ydelta = 1.0
        sri.yunits = 3

        # Generate test data; unlike the type 1000 tests, we have to generate
        # input data compatible with CORBA because we're bypassing DataSource
        frames = 4
        samples = subsize * frames
        if complexData:
            samples *= 2
        if dataFormat == 'char':
            indata = numpy.arange(samples, dtype=numpy.int8)
            packet = indata.tostring()
        else:
            indata = [dataType(x) for x in xrange(samples)]
            packet = indata

        # Push the SRI and data directly to the sink's port
        port = sink.getPort(dataFormat + 'In')
        port.pushSRI(sri)
        port.pushPacket(packet, bulkio.timestamp.now(), True, sri.streamID)

        sink.waitForEOS()

        hdr, outdata = bluefile.read(filename)
        self.assertEqual(hdr['format'], format)
        self.assertEqual(hdr['subsize'], subsize)
        self.assertEqual(hdr['ystart'], sri.ystart)
        self.assertEqual(hdr['ydelta'], sri.ydelta)
        self.assertEqual(hdr['yunits'], sri.yunits)
        self.assertEqual(len(outdata), frames)

        if complexData:
            if dataFormat == 'float':
                indata = numpy.array(indata,
                                     dtype=numpy.float32).view(numpy.complex64)
                indata = numpy.reshape(indata, (-1, subsize))
            elif dataFormat == 'double':
                indata = numpy.array(indata, dtype=numpy.float64).view(
                    numpy.complex128)
                indata = numpy.reshape(indata, (-1, subsize))
            else:
                indata = numpy.reshape(indata, (-1, subsize, 2))
        else:
            indata = numpy.reshape(indata, (-1, subsize))

        self.assertTrue(numpy.array_equal(indata, outdata),
                        msg="Format '%s' %s != %s" % (format, indata, outdata))
Exemplo n.º 5
0
f.write('sink.network_settings.address = ip_address\n')
sink.network_settings.enable = True
f.write('sink.network_settings.enable = True\n')
sink.VITA49Encapsulation.use_vrl_frames = True
f.write('sink.VITA49Encapsulation.useVRLFrames = True\n')
sink.VITA49Encapsulation.use_crc = False
f.write('sink.VITA49Encapsulation.useCRC = True\n')
sink.numberOfBuffers = 200
f.write('sink.numberOfBuffers = 200\n')
sink.advanced_configuration.endian_representation = 2
f.write('sink.advanced_configuration.endian_representation = 2\n')
sink.advanced_configuration.max_payload_size = 1428
f.write('sink.advanced_configuration.max_payload_size = 1500\n\n')
sink.VITA49IFContextPacket.class_identifier = "DEFAULT"
sink.VITA49IFContextPacket.device_identifier = "FF-FF-FA:1333"
output_result = sb.FileSink('results.tmp')
source.connect(output_result, providesPortName='shortIn')
#sink.api()
#time.sleep(100)
f.write('\n********** Starting Components **********\n')
sb.start()
f.write('Components started\n')

input_file = sb.FileSource('golden.tmp', dataFormat='short')

kw = sb.SRIKeyword("COL_BW", 20000000.0, 'double')
kw1 = sb.SRIKeyword("COL_IF_FREQUENCY_OFFSET", 70000000.0, 'double')
kw2 = sb.SRIKeyword("COL_RF", 155500000.0, 'double')
kw3 = sb.SRIKeyword("COL_RF_OFFSET", 20.0, 'double')
kw5 = sb.SRIKeyword("COL_REFERENCE_LEVEL", 10.2969, 'float')
kw6 = sb.SRIKeyword("COL_GAIN", 10.0, 'float')
def main(argv):
    sadfile = ''
    inputfile = ''
    dataformat = ''
    samplerate = ''
    iscomplex = False
    outputfile = ''
    try:
        opts, args = getopt.getopt(argv, "hs:i:f:r:co:", [
            "sadfile=", "ifile=", "dataformat=", "samplerate=", "complex",
            "ofile="
        ])
    except getopt.GetoptError:
        print 'runWaveform.py -s <sadfile> -i <inputfile> -f <dataFormat> -r <sampleRate> -c -o <outputfile>'
        sys.exit(2)
    for opt, arg in opts:
        #print 'evaluating opt - ',opt,' arg - ',arg
        if opt == '-h':
            print 'runWaveform.py -s <sadfile> -i <inputfile> -f <dataFormat> -r <sampleRate> -c o <outputfile>'
            sys.exit()
        elif opt in ("-s", "--sadfile"):
            sadfile = arg
        elif opt in ("-i", "--ifile"):
            inputfile = arg
        elif opt in ("-f", "--dataformat"):
            dataformat = arg
        elif opt in ("-r", "--samplerate"):
            samplerate = arg
        elif opt in ("-c", "--complex"):
            iscomplex = True
        elif opt in ("-o", "--ofile"):
            outputfile = arg
            print 'setting outputfile', outputfile
    print 'Processing ', inputfile, " through waveform - ", sadfile
    sadFile = open(sadfile)
    sadFileString = sadFile.read()
    usesPort = ''
    usesComponent = ''
    providesPort = ''
    providesComponent = ''
    sadXML = parsers.sad.parseString(sadFileString)
    if sadXML.get_externalports():
        for port in sadXML.get_externalports().get_port():
            if port.get_usesidentifier():
                usesPort = port.get_usesidentifier()
                usesComponent = port.get_componentinstantiationref()
            elif port.get_providesidentifier():
                providesPort = port.get_providesidentifier()
                providesComponent = port.get_componentinstantiationref()
        if not usesPort and not providesPort:
            print 'Need uses and provides external ports'
            sys.exit()
    else:
        print 'No external ports'
        sys.exit()
    print usesPort, providesPort
    if not usesPort or not providesPort:
        print 'Require external uses & provides port'
        sys.exit()
    sb.loadSADFile(sadfile)
    fileSource = sb.FileSource(filename=inputfile,
                               dataFormat=dataformat,
                               sampleRate=samplerate)
    fileSink = sb.FileSink(filename=outputfile)
    #FIXME check file type matches external port
    fileSource.connect(sb.getComponent(providesComponent.get_refid()),
                       providesPortName=providesPort)
    sb.getComponent(usesComponent.get_refid()).connect(fileSink,
                                                       usesPortName=usesPort)
    sb.start()
    fileSink.waitForEOS()
    sb.stop()
    sb.release()
Exemplo n.º 7
0
def listen_waveform_ports(domain, waveform_ports):
    """Listen to message events on specific waveform ports on domain

    Parameters
    ----------
    domain : str
        The Redhawk domain to connect

    waveform_ports : list of tuples
        This will be a list of ports.  Each tuple is a combination of
        (WAVEFORM_NAME, PORT_NAME, PORT_DATA_TYPE OUTPUT_FILE)
        PORT_DATA_TYPE should match an input port of the sb.FileSink
        {"floatIn", "shortIn", "octetIn"}

    Returns
    -------
    my_msgs : dict
        Dictionary where keys is the combo of waveform + port name
        The value will be the recorded messages.
    """
    # --------------  connect and get list of waveforms  --------------------
    dom = redhawk.attach(domain)
    waveforms = dom.applications

    # ------------------------  prepare variables  --------------------------
    my_sink_list = {}

    # add a message sink per port
    for (c_name, c_port, c_type, c_file) in waveform_ports:
        # enforce strings
        c_name = str(c_name)
        c_port = str(c_port)
        c_type = str(c_type)
        c_file = str(c_file)

        print("Name = %s, Port = %s" % (str(c_name), str(c_port)))

        # select waveform from the list
        c_wave = find_waveform(waveforms, c_name)

        try:
            # get the port of interest
            port_inst = c_wave.getPort(c_port)

            # ---------------  connect to message sink  ---------------------
            f_sink = sb.FileSink(filename=c_file, midasFile=True)
            port_inst.connectPort(\
                f_sink.getPort(c_type),
                "conn_"+ str(uuid.uuid1()))
            f_sink.start()

            # track sink
            key = c_name + ":" + c_port
            my_sink_list[key] = f_sink
        except:
            print("Failed to connect to port:\t%s:%s" % (c_name, c_port))

    # -----------------------  user prompt to end  --------------------------
    if len(my_sink_list) > 0:
        prompt("Hit enter to end...")
    else:
        print("No connections set...exiting")

    # --------------------------  stop and release  -------------------------
    for key in my_sink_list.keys():
        try:
            my_sink_list[key].stop()
            my_sink_list[key].releaseObject()
        except Exception as e:
            print("Failed to release sink: %s" % str(e))