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1
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import socket
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2
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import cStringIO
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3
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import time
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4
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5
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TCP_IP = '192.168.2.12'
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6
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TCP_PORT = 22222
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7
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BUFFER_SIZE = 4096
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8
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9
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10
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def read_until_space(data):
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11
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buf = []
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12
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ch = data.read(1)
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13
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while ch not in [" ", "\n", ""]:
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14
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buf.append(ch)
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15
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ch = data.read(1)
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16
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return "".join(buf)
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17
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18
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19
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def read_list(data, cls=float):
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20
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list_data = []
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21
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list_size = int(read_until_space(data))
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22
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# skip the first value since it's not a valid value...not sure what it's for!
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23
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read_until_space(data) # 0
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24
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for x in xrange(list_size):
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25
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list_data.append(cls(read_until_space(data)))
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26
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return list_data
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27
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28
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29
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def main():
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30
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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31
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s.connect((TCP_IP, TCP_PORT))
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32
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s.sendall("Read")
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33
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data = cStringIO.StringIO()
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34
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chunk = s.recv(BUFFER_SIZE)
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35
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while chunk:
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36
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data.write(chunk)
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37
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chunk = s.recv(BUFFER_SIZE)
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38
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# print "read %d bytes\n\n" % len(data.getvalue())
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39
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s.close()
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40
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41
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# attempt to deserialize
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42
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start = time.clock()
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43
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data.reset()
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44
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header = data.read(int(read_until_space(data)) + 1)
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45
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if header.strip() != "serialization::archive":
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46
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print "not Boost archive serialized: %s" % header
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47
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return
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48
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49
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# skip the next 3 ints...not sure what they are anyway
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50
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read_until_space(data) # 9
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51
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read_until_space(data) # 0
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52
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read_until_space(data) # 0
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53
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54
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version = int(read_until_space(data))
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55
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timestamp = float(read_until_space(data))
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56
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ping_period_seconds = float(read_until_space(data))
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57
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gain = int(read_until_space(data))
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58
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pulse_length_seconds = float(read_until_space(data))
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59
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sound_velocity = float(read_until_space(data))
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60
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num_samples = int(read_until_space(data))
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61
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num_channels = int(read_until_space(data))
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62
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63
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# now read the lists...
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64
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angles = read_list(data)
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65
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ranges = read_list(data)
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66
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magnitude = read_list(data)
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67
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raw_data = read_list(data, int)
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68
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end = time.clock()
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69
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70
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data.close()
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71
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72
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print " version: %d" % version
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73
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print " timestamp: %f" % timestamp
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74
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print " ping period (s): %f" % ping_period_seconds
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75
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print " gain: %d" % gain
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76
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print " pulse length (s): %f" % pulse_length_seconds
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77
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print "sound velocity (m/s): %f" % sound_velocity
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78
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print " samples: %d" % num_samples
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79
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print " channels: %d" % num_channels
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80
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print ""
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81
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print "Read %d angles" % len(angles)
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82
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print "Read %d ranges" % len(ranges)
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83
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print "Read %d magnitudes" % len(magnitude)
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84
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print "Read %d raw data points" % len(raw_data)
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85
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print ""
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86
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print "Deserialization took %f seconds" % (end - start)
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87
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88
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89
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if __name__ == "__main__":
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90
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main()
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