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sqozz 4 years ago
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b81a6647e5
  1. 140
      pylinphone.py

140
pylinphone.py

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import socket
import pdb
class LinphoneEvent():
def __init__(self):
pass
class CallStateChanged(LinphoneEvent):
def __init__(self, event, caller_id, call_id):
self.event = event
self.caller_id = caller_id
self.call_id = call_id
class LinphoneCommunicationSocket():
def __init__(self, lp_socket):
self.socket_path = lp_socket
self.socket = socket.socket(socket.AF_UNIX)
self.socket.connect(self.socket_path)
def send_command(self, command, blocking=True):
self.socket.send(command.encode("ascii"))
def register(self, identity, proxy_address, password = "NULL", userid = "NULL", realm = "NULL", parameters = None):
self.socket.send(("register {identity} {proxy_address} {password} {userid} {realm} {parameters}".format(identity=identity, proxy_address=proxy_address, password=password, userid=userid, realm=realm, parameters="" if parameters else parameters)).encode("ascii"))
answer = self._await_answer()
return int(answer["data"][0].split(":", 1)[1].strip()) #id of newly registered account
def register_status(self, account_id=None):
self.socket.send(("register-status {account_id}".format(account_id="ALL" if account_id == None else account_id)).encode("ascii"))
accounts = []
answer = self._await_answer()
if answer["status"]:
for acc_idx in range(0, len(answer["data"]), 2):
acc_id = int(answer["data"][acc_idx].split(":", 1)[1].strip())
acc_state = answer["data"][acc_idx+1].split(":", 1)[1].strip()
accounts.append([acc_id, acc_state])
else:
raise RuntimeError(answer["error"])
return accounts
def register_info(self, account_id=None):
self.socket.send(("register-info {account_id}".format(account_id="ALL" if account_id == None else account_id)).encode("ascii"))
accounts = []
answer = self._await_answer()
if answer["status"]:
for acc_idx in range(0, len(answer["data"]), 4):
acc_id = int(answer["data"][acc_idx+0].split(":", 1)[1].strip())
acc_identity = answer["data"][acc_idx+1].split(":", 1)[1].strip()
acc_proxy = answer["data"][acc_idx+2].split(":", 1)[1].strip()
acc_state = answer["data"][acc_idx+3].split(":", 1)[1].strip()
accounts.append([acc_id, acc_identity, acc_proxy, acc_state])
else:
raise RuntimeError(answer["error"])
return accounts
def answer(self, call_id=None):
self.socket.send(("answer {call_id}".format(call_id="" if call_id == None else call_id)).encode("ascii"))
answer = self._await_answer()
def process_event(self):
self.socket.send("pop-event".encode("ascii"))
answer = self._await_answer()
if answer["status"]:
size_string = answer["data"][0]
remaining_item_count = int(size_string.split(":")[1].strip())
answer["data"].pop(0)
if len(answer["data"]) > 0:
event = self._parse_event_data(answer["data"])
getattr(self, "on{}".format(event.event))(event)
if remaining_item_count > 0:
self.process_event()
else:
raise RuntimeError("Failed to fetch event from the linphone event queue")
def _parse_event_data(self, data):
event_type = data[0].split(":", 1)[1].strip()
if event_type == "call-state-changed":
event = data[1].split(":", 1)[1].strip()
caller_id = data[2].split(":", 1)[1].strip()
call_id = data[3].split(":", 1)[1].strip()
event = CallStateChanged(event, caller_id, int(call_id))
else:
print("Unknown event type")
pdb.set_trace()
return event
def _await_answer(self):
chunk = self.socket.recv(1)
buf_size = 1024
data = chunk
while True:
try:
chunk = self.socket.recv(buf_size, socket.MSG_DONTWAIT)
except BlockingIOError:
break
data += chunk
if len(chunk) < buf_size:
break
return self._parse_answer(data)
def _parse_answer(self, raw_answer):
answer = raw_answer.decode("ascii").split("\n")
answer = list(filter(lambda x: len(x) > 0, answer)) #filter empty elements/lines
status = answer[0].split(":")[1].strip()
status = True if status == "Ok" else False
answer_dict = {"status": status}
if not status:
error = answer[1].split(":")[1].strip()
answer_dict["error"] = error
else:
answer_dict["data"] = answer[1:]
return answer_dict
def onLinphoneCallIncomingReceived(self, event):
print("dummy onLinphoneCallIncomingReceived")
pass
def onLinphoneCallEnd(self, event):
print("dummy onLinphoneCallEnd")
pass
def onLinphoneCallReleased(self, event):
print("dummy onLinphoneCallReleased")
pass
def onLinphoneCallConnected(self, event):
print("dummy onLinphoneCallConnected")
pass
def onLinphoneCallStreamsRunning(self, event):
print("dummy onLinphoneCallStreamsRunning")
pass
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