181 lines
6.4 KiB
Python
Executable File
181 lines
6.4 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2010 Maurizio Porrato <maurizio.porrato@gmail.com>
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# See LICENSE.txt for copyright info
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from __future__ import with_statement
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from zope.interface import implements
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from twisted.plugin import IPlugin
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from twisted.application.service import IServiceMaker
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from frn.protocol.client import FRNClient, FRNClientFactory
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from frn.user import FRNUser
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from twisted.application import internet
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from twisted.internet import reactor, task
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from twisted.internet.defer import DeferredList
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from twisted.python import log, usage
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import os, string, time, struct
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from os.path import curdir, join as pjoin
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from ConfigParser import ConfigParser
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safe_chars = string.ascii_letters+string.digits+' :;.,+-=$@'
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WAV_HEADER = "524946460c06000057415645666d74201400000031000100401f00005906000041000000020040016661637404000000000000006461746100000000".decode('hex')
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AUDIO_TIMEOUT = 5.0
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def sanitizeFilename(name):
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r = ''
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for c in name:
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if c in safe_chars:
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r += c
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return r
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class FRNRecorder(FRNClient):
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def getClientName(self, client_id):
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if self.clientsById.has_key(client_id):
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return self.clientsById[client_id]['ON']
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else:
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return client_id
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def buildRecordingName(self, client_id):
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ts = time.localtime()
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opname = sanitizeFilename(self.clients[client_id-1]['ON'])
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dirname = self.factory.recdir+"/"+time.strftime("%Y%m/%d/%H", ts)
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filename = time.strftime("%Y%m%d-%H%M%S-", ts) + opname + '.wav'
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try:
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os.makedirs(dirname)
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except OSError: pass
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return dirname+'/'+filename
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def buildMessageLogName(self):
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ts = time.localtime()
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dirname = self.factory.recdir+"/"+time.strftime("%Y%m/%d/%H", ts)
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filename = time.strftime("%Y%m%d-%H-", ts) + 'messages.txt'
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try:
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os.makedirs(dirname)
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except OSError: pass
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return dirname+'/'+filename
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def textMessageReceived(self, client, message, target):
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if target == 'A':
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f = open(self.buildMessageLogName(), 'a')
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ts = time.strftime("%Y-%m-%d %H:%M:%S")
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f.write("[%s] [%s] %s\r\n" %
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(ts, self.getClientName(client), message))
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f.close()
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def closeFile(self):
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size = self.recordingFile.tell()-len(WAV_HEADER)
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time = size / 1625.0
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if time > self.factory.mintime:
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self.recordingFile.seek(0x30) # fact chunk value
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self.recordingFile.write(struct.pack("<L", int(size/32.5)))
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self.recordingFile.seek(0x38) # data chunk size
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self.recordingFile.write(struct.pack("<L", size))
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self.recordingFile.close()
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else:
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name = self.recordingFile.name
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log.msg("Deleting short recording: %s" % (name,))
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self.recordingFile.close()
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os.remove(name)
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def archiveRecording(self, from_id):
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log.msg("%s stopped talking" %
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self.clients[from_id-1]['ON'])
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self.closeFile()
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self.recordingFile = None
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self.recordingOperator = None
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def audioFrameReceived(self, from_id, frames):
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if self.recordingOperator != self.clients[from_id-1]['ON']:
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if self.recordingOperator is not None:
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self.closeFile()
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self.recordingOperator = self.clients[from_id-1]['ON']
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self.recordingFile = file(self.buildRecordingName(from_id), 'wb')
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self.recordingFile.write(WAV_HEADER)
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self.recordingFile.write(frames)
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try:
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self.parrot_timer.reset(AUDIO_TIMEOUT)
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except:
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log.msg("%s started talking" %
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self.clients[from_id-1]['ON'])
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self.parrot_timer = self.factory.reactor.callLater(
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AUDIO_TIMEOUT, self.archiveRecording, from_id)
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self.pong()
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def loginResponse(self, info):
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log.msg("Login: %s" % info['AL'])
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self.setStatus(1)
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self.recordingOperator = None
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self.recordingFile = None
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def clientsListUpdated(self, clients):
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self.clients = clients
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self.clientsById = dict([(i['ID'], i) for i in clients])
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class FRNRecorderFactory(FRNClientFactory):
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protocol = FRNRecorder
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reactor = reactor
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def __init__(self, user, recdir="/var/spool/grn/recordings", mintime=2.0):
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self.recdir = recdir
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self.mintime = mintime
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FRNClientFactory.__init__(self, user)
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class Options(usage.Options):
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optParameters = [
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["confdir", "c", curdir, "Directory containing config files"],
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["recdir", "d", "/var/spool/grn/recordings", "Directory where to save recordings"],
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["mintime", "m", 2.0, "Minimun recording duration"]
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]
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def parseArgs(self, serverdef):
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basedir = self['confdir']
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acfg = ConfigParser()
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acfg.read(['/etc/grn/accounts.conf',
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pjoin(basedir,'accounts.conf'), 'accounts.conf'])
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scfg = ConfigParser()
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scfg.read(['/etc/grn/servers.conf',
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pjoin(basedir,'servers.conf'), 'servers.conf'])
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account_name, server_name, network_name = serverdef.split(':', 2)
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self['server'] = scfg.get(server_name, 'server')
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self['port'] = scfg.getint(server_name, 'port')
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self['backup_server'] = scfg.get(server_name, 'backup_server')
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self['backup_port'] = scfg.getint(server_name, 'backup_port')
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self['operator'] = acfg.get(account_name, 'operator')
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self['email'] = acfg.get(account_name, 'email')
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self['password'] = acfg.get(account_name, 'password')
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self['description'] = acfg.get(account_name, 'description')
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self['country'] = acfg.get(account_name, 'country')
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self['city'] = acfg.get(account_name, 'city')
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self['network'] = network_name
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class FRNRecorderServiceMaker(object):
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implements(IServiceMaker, IPlugin)
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tapname = "frnrecorder"
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description = "Freeradionetwork recorder"
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options = Options
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def makeService(self, options):
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return internet.TCPClient(options['server'], options['port'],
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FRNRecorderFactory(
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FRNUser(
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EA=options['email'],
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PW=options['password'], ON=options['operator'],
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BC="Crosslink", DS=options['description'],
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NN=options['country'], CT=options['city'], NT=options['network']),
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options['recdir'], options['mintime']))
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serviceMaker = FRNRecorderServiceMaker()
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# vim: set et ai sw=4 ts=4 sts=4:
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