fetapi/phoneinterface.py

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7.6 KiB
Python
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import linphone
import time
import threading
import subprocess
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class PhoneProxyConfiguration(object):
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def __init__(self, name, proxy, identity, username, password, realm,
prefix):
self.name = name
self.proxy = proxy
self.identity = identity
self.username = username
self.password = password
self.realm = realm
self.prefix = prefix
class PhoneConfiguration(object):
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def __init__(self, sound_device, incoming_timeout, linphone_config,
default_proxy, proxies, stun_server):
self.sound_device = sound_device
self.incoming_timeout = incoming_timeout
self.linphone_config = linphone_config
self.default_proxy = default_proxy
self.proxies = proxies
self.stun_server = stun_server
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class PhoneEvent(object):
RegInProgress,\
RegSuccessfull,\
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RegLost,\
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CallIncoming,\
CallRinging,\
CallAccepted,\
CallEnded,\
CallBusy,\
CallInvalidNumber = range(9)
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@classmethod
def string(cls, val):
for k, v in vars(cls).iteritems():
if v == val:
return k
class PhoneInterface(object):
def __init__(self, config):
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cbs = {
'global_state_changed': self.__global_state_changed,
'registration_state_changed': self.__registration_state_changed,
'call_state_changed': self.__call_state_changed
}
self.__event_cbs = []
self.__config = config
self.__core = linphone.Core.new(cbs, None, config.linphone_config)
# Create and add all proxy configs
for p in config.proxies:
ainfo = self.__core.create_auth_info(p.username, p.username, p.password, None, p.realm, None)
self.__core.add_auth_info(ainfo)
pconf = self.__core.create_proxy_config()
pconf.edit()
pconf.identity = p.identity
pconf.publish_enabled = False
pconf.realm = p.realm
pconf.register_enabled = True
pconf.server_addr = p.proxy
self.__core.add_proxy_config(pconf)
pconf.done()
if p.name == config.default_proxy:
self.__core.default_proxy_config = pconf
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self.__audioproc = None
aplay = subprocess.Popen(['aplay', '-qD%s' % config.sound_device], stdin=subprocess.PIPE)
self.__ttsproc = subprocess.Popen(['espeak', '-p10', '--stdout'], stdin=subprocess.PIPE, stdout=aplay.stdin)
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# Set default parameters overriding the ones from the given config file
self.__core.set_user_agent('FeTAp 615', '0.1')
self.__core.stun_server = config.stun_server
self.__core.ringback = ''
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self.__core.max_calls = 1
self.__core.inc_timeout = config.incoming_timeout
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self.__core.set_call_error_tone(linphone.Reason.Busy, '')
self.__core.disable_chat(linphone.Reason.None)
self.__core.echo_cancellation_enabled = False
self.__core.video_capture_enabled = False
self.__core.video_display_enabled = False
def __global_state_changed(self, core, state, msg):
print 'Global state changed:', state, msg
# TODO: Do we need events emitted here?
pass
def __registration_state_changed(self, core, proxyconf, state, msg):
print 'Registration state changed:', proxyconf, state, msg
evt = None
if state == linphone.RegistrationState.Progress:
evt = PhoneEvent.RegInProgress
elif state == linphone.RegistrationState.Ok:
evt = PhoneEvent.RegSuccessfull
elif state == linphone.RegistrationState.None:
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evt = PhoneEvent.RegLost
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if evt is not None:
for cb in self.__event_cbs:
cb(evt)
else:
print 'Unhandled registration state:', linphone.RegistrationState.string(state)
def __call_state_changed(self, core, call, state, msg):
print 'Call state changed:', call, state, msg
evt = None
if state == linphone.CallState.IncomingReceived:
evt = PhoneEvent.CallIncoming
elif state == linphone.CallState.OutgoingRinging:
evt = PhoneEvent.CallRinging
elif state == linphone.CallState.Connected:
evt = PhoneEvent.CallAccepted
elif state == linphone.CallState.End:
evt = PhoneEvent.CallEnded
elif state == linphone.CallState.Error:
error = call.error_info.reason
if error == linphone.Reason.Busy:
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evt = PhoneEvent.CallBusy
elif error == linphone.Reason.NotFound:
evt = PhoneEvent.CallInvalidNumber
else:
evt = PhoneEvent.CallEnded
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if evt is not None:
for cb in self.__event_cbs:
cb(evt)
else:
print 'Unhandled call state:', linphone.CallState.string(state)
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def __pollthread(self):
while self.__running:
self.__core.iterate()
time.sleep(0.02) # Value from example code
def start(self):
self.__running = True
t = threading.Thread(target=self.__pollthread)
t.start()
def stop(self):
self.stop_playing()
if self.__ttsproc is not None:
self.__ttsproc.terminate()
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self.__running = False
def add_event_cb(self, cb):
self.__event_cbs.append(cb)
def call(self, number):
if '@' not in number and self.__core.default_proxy_config is None:
# Try to resolve prefix
for p in self.__config.proxies:
if number.startswith(p.prefix):
number += '@' + p.realm
break
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self.__core.invite(number)
def accept_call(self):
self.__core.accept_call(self.__core.current_call)
def decline_call(self):
self.__core.decline_call(self.__core.current_call, linphone.Reason.Busy)
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def end_call(self):
self.__core.terminate_call(self.__core.current_call)
def play_dial_tone(self):
self.stop_playing()
self.__audioproc = subprocess.Popen(['play', '-nq', 'synth', 'sine', '425'],
env = {'AUDIODRIVER': 'alsa',
'AUDIODEV': self.__config.sound_device})
def play_ringback_tone(self):
self.stop_playing()
self.__audioproc = subprocess.Popen(['play', '-nq', 'synth', '1', 'sine', '425', 'pad', '4@1', 'repeat', '1000'],
env = {'AUDIODRIVER': 'alsa',
'AUDIODEV': self.__config.sound_device})
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def play_busy_tone(self):
self.stop_playing()
self.__audioproc = subprocess.Popen(['play', '-nq', 'synth', '0.48', 'sine', '425', 'pad', '0.48@0.48', 'repeat', '1000'],
env = {'AUDIODRIVER': 'alsa',
'AUDIODEV': self.__config.sound_device})
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def stop_playing(self):
if self.__audioproc is not None:
self.__audioproc.terminate()
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def read_text(self, text):
self.__ttsproc.stdin.write(text + '\n')
self.__ttsproc.stdin.flush()
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if __name__ == '__main__':
def event_cb(evt):
print 'Got event:', PhoneEvent.string(evt)
try:
phone = PhoneInterface('.linphonerc-foo', '.linphonerc')
phone.add_event_cb(event_cb)
phone.start()
i = 0
while True:
time.sleep(1)
i += 1
if i == 5:
phone.call('3474')
#phone.play_busy_tone()
pass
except KeyboardInterrupt:
phone.stop()