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Junzi Sun 2019-08-26 16:50:05 +02:00
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README.rst
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@ -115,7 +115,7 @@ Live with network data
If you want to connect to a TCP server that broadcast raw data. use can use ``net`` source switch, for example:: If you want to connect to a TCP server that broadcast raw data. use can use ``net`` source switch, for example::
$ modeslive --source net --connect localhost 30002 avr $ modeslive --source net --connect localhost 30002 raw
$ modeslive --source net --connect 127.0.0.1 30005 beast $ modeslive --source net --connect 127.0.0.1 30005 beast
@ -285,41 +285,42 @@ Meteorological hazard air report (MHR) [Experimental]
Customize the streaming module Customize the streaming module
****************************** ******************************
The TCP client module from pyModeS can be re-used to stream and process Mode-S data as you like. You need to re-implement the ``handle_messages()`` function from the ``BaseClient`` class to write your own logic to handle the messages. The TCP client module from pyModeS can be re-used to stream and process Mode-S data as you like. You need to re-implement the ``handle_messages()`` function from the ``TcpClient`` class to write your own logic to handle the messages.
Here is an example: Here is an example:
.. code:: python .. code:: python
from pyModeS.extra.tcpclient import BaseClient import pyModeS as pms
from pyModeS.extra.tcpclient import TcpClient
# define your custom class by extending the BaseClient # define your custom class by extending the TcpClient
# - implement your handle_messages() methods # - implement your handle_messages() methods
class ADSBClient(BaseClient): class ADSBClient(TcpClient):
def __init__(self, host, port, rawtype): def __init__(self, host, port, rawtype):
super(ADSBClient, self).__init__(host, port, rawtype) super(ADSBClient, self).__init__(host, port, rawtype)
def handle_messages(self, messages): def handle_messages(self, messages):
for msg, ts in messages: for msg, ts in messages:
if len(msg) < 28: # wrong data length if len(msg) != 28: # wrong data length
continue continue
df = pms.df(msg) df = pms.df(msg)
if df != 17: # not ADSB if df != 17: # not ADSB
continue continue
if '1' in pms.crc(msg): # CRC fail if pms.crc(msg) !=0: # CRC fail
continue continue
icao = pms.adsb.icao(msg) icao = pms.adsb.icao(msg)
tc = pms.adsb.typecode(msg) tc = pms.adsb.typecode(msg)
# TODO: write you magic code here # TODO: write you magic code here
print ts, icao, tc, msg print(ts, icao, tc, msg)
# run new client, change the host, port, and rawtype if needed # run new client, change the host, port, and rawtype if needed
client = ADSBClient(host='127.0.0.1', port=30334, rawtype='beast') client = ADSBClient(host='127.0.0.1', port=30005, rawtype='beast')
client.run() client.run()