sendingNumpy.py

'''
import socket, json, pickle

PORT = 12345

s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(("10.40.3.2", PORT))
#while True:

arr = ([1],[1])
data_string = pickle.dumps(arr)
s.send(data_string)
s.send(data_string)
s.send(data_string)
s.send(data_string)
s.close();
'''
import socket,json
import time
import numpy as np

client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client_socket.connect(("10.40.3.2", 8220))

class NumpyEncoder(json.JSONEncoder):
    def default(self, obj):
        if isinstance(obj, np.ndarray):
            return obj.tolist()
        return json.JSONEncoder.default(self, obj)

data = np.array([1,1])

#for index in xrange(5):

    #data = "GET\nSONAR%d\n\n" % index
print 'send to server: ',data
client_socket.send(json.dumps({'data': data}, cls=NumpyEncoder))
while client_socket.recv(2048) != "ack":
  print "waiting for ack"
print "ack received!"

#send disconnect message
dmsg = "disconnect"
print "Disconnecting"
client_socket.send(dmsg)

client_socket.close()