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Se añadio los ejemplos del udp en multicast
murco -
r24:25
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1 from udp import *
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2
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3 clientObj = Client()
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4 clientObj.start() No newline at end of file
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1 from udp import *
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2
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3 serverObj = Server()
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4 serverObj.start() No newline at end of file
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1 # Server program
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2 # UDP VERSION
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3
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4
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5 import socket
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6
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7 class Server:
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8
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9 # Set the socket parameters
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10 host = "localhost"
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11 port = 5140
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12 buf = 1024
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13 addr = (host,port)
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14
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15 def __init__(self):
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16
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17 self.createObjects()
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18
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19 def createObjects(self):
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20
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21 # Create socket and bind to address
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22 self.sock_s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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23 self.sock_s.bind(self.addr)
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24
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25 def listen(self):
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26
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27 # Receive messages
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28 print "Server initialized ..."
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29 print
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30 while 1:
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31 data_rx, addr_rx = self.sock_s.recvfrom(self.buf)
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32 if not data_rx:
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33 print "Client has exited!"
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34 break
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35
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36 print "\nSERVER:"
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37 print "Received message '", data_rx,"'"
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38 print "Sendinf ack ..."
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39 self.sock_s.sendto('ack', addr_rx)
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40
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41 # Close socket
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42 self.sock_s.close()
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43
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44 def start(self):
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45
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46 self.listen()
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47
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48 class Client:
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49
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50
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51 # Set the socket parameters
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52 host = '0.0.0.0'
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53 port = 5140
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54 buf = 1024
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55 multicast_addr = (host,port)
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56
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57 def __init__(self):
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58
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59 self.createObjects()
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60
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61 def createObjects(self):
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62
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63 # Create socket
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64 self.socket_c = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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65 self.socket_c.settimeout(0.2)
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66 self.socket_c.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 20)
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67
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68 def sendData(self):
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69
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70 def_msg = "===Enter message to send to server===";
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71 print "\n", def_msg
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72 print
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73
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74 # Send messages
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75 while (1):
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76 print "\nCLIENT"
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77 data = raw_input('>> ')
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78 if not data or data == 'q':
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79 break
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80
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81 if(self.socket_c.sendto(data, self.multicast_addr)):
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82
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83 print "Sending message '",data,"'....."
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84
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85 data_rx, server_rx = self.socket_c.recvfrom(16)
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86
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87 print "Data received ", data_rx, server_rx
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88
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89 # Close socket
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90 self.socket_c.close()
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91
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92 def start(self):
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93
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94 self.sendData()
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95
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96 import threading
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97
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98 class MiThread(threading.Thread):
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99 def __init__(self, obj):
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100
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101 threading.Thread.__init__(self)
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102 self.obj = obj
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103
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104 def run(self):
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105
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106 self.obj.start()
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107
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108
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109 if __name__ == '__main__':
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110
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111 serverObj = Server()
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112 clientObj = Client()
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113
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114 ts = MiThread(serverObj)
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115 tc = MiThread(clientObj)
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116
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117 ts.start()
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118 tc.start()
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119
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120 tc.join()
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121 ts.join(60)
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122
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123
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124 No newline at end of file
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