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97 lines
2.9 KiB
Python
97 lines
2.9 KiB
Python
#!/usr/bin/python
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# -*- coding: cp1252 -*-
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"""
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jsonSocket-Plugin to dispatch FMS-, ZVEI- and POCSAG-messages via UDP/TCP
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@author: Jens Herrmann
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@requires: jsonSocket-Configuration has to be set in the config.ini
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"""
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import logging # Global logger
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import socket # for connection
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import json # for data-transfer
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from includes import globals # Global variables
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##
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#
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# Main function of jsonSocket-plugin
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# will be called by the alarmHandler
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#
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def run(typ,freq,data):
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"""
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This function is the implementation of the jsonSocket-Plugin.
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It will send the data via UDP/TCP
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The configuration for the Connection is set in the config.ini.
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@type typ: string (FMS|ZVEI|POC)
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@param typ: Typ of the dataset for sending via UDP/TCP
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@type data: map of data (structure see interface.txt)
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@param data: Contains the parameter for dispatch to UDP.
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@type freq: string
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@keyword freq: frequency of the SDR Stick
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@requires: jsonSocket-Configuration has to be set in the config.ini
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@return: nothing
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"""
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try:
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#
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# ConfigParser
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#
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logging.debug("reading config file")
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try:
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for key,val in globals.config.items("jsonSocket"):
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logging.debug(" - %s = %s", key, val)
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except:
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logging.error("cannot read config file")
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logging.debug("cannot read config file", exc_info=True)
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# Without config, plugin couldn't work
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return
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try:
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#
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# initialize to socket-Server
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#
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# SOCK_DGRAM is the socket type to use for UDP sockets
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# SOCK_STREAM is the socket type to use for TCP sockets
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if globals.config.get("jsonSocket", "protocol") == "TCP":
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.connect((globals.config.get("jsonSocket", "server"), globals.config.getint("jsonSocket", "port")))
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else:
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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except:
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logging.error("cannot initialize %s-socket", globals.config.get("jsonSocket", "protocol"))
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logging.debug("cannot initialize %s-socket", globals.config.get("jsonSocket", "protocol"), exc_info=True)
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else:
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# toDo is equals for all types, so only check if typ is supported
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supportedTypes = ["FMS", "ZVEI", "POC"]
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if typ in supportedTypes:
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logging.debug("Start %s to %s", typ, globals.config.get("jsonSocket", "protocol"))
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try:
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# dump data to json-string
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sendData = json.dumps(data)
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# send data
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sock.sendto(sendData, (globals.config.get("jsonSocket", "server"), globals.config.getint("jsonSocket", "port")))
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except:
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logging.error("%s to %s failed", typ, globals.config.get("jsonSocket", "protocol"))
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logging.debug("%s to %s failed", typ, globals.config.get("jsonSocket", "protocol"), exc_info=True)
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else:
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logging.warning("Invalid Typ: %s", typ)
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finally:
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logging.debug("close %s-Connection", globals.config.get("jsonSocket", "protocol"))
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sock.close()
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except:
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# something very mysterious
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logging.error("unknown error")
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logging.debug("unknown error", exc_info=True) |