import socket
import struct
import json


HOST = 'zabbix1.test.ru'
PORT = 10051


HEADER = '''ZBXD\1%s%s'''
# just some data
DATA = '''{
"request":"sender data",
"data":[
{
"host":"test",
"key":"digit",
"value":"7146.21",
"clock":1414494600},
{
"host":"test",
"key":"string",
"value":"test string",
"clock":1414494600}
],
"clock":1414494600.02}
'''


data_length = len(DATA)
data_header = struct.pack('i', data_length) + '\0\0\0\0'

data_to_send = HEADER % (data_header, DATA)

# here really should come some exception handling
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((HOST, PORT))


# send the data to the server
sock.send(data_to_send)