def run(self):
self._logger.debug("VoIPClient.run()")
self._running = True
prev_call_logs = set(
[d for d in os.listdir(".") if d.startswith("call_")])
self._itgrecv = ITG("ITGRecv")
self._itgrecv.start()
while self._running:
time.sleep(1)
call_logs = set([
d for d in os.listdir(".")
if d.startswith("call_") and d.endswith(".bin")
])
new_logs = [l for l in call_logs if l not in prev_call_logs]
prev_call_logs = call_logs
for logf in new_logs:
while not self._is_finished_writing(logf):
time.sleep(1)
self._logger.debug("CALL: %s" % logf)
metric = self._parse_log(logf)
self._create_metric(metric=metric)
self._report_metric()
def run(self):
self._logger.debug("VoIPServer.run()")
self._running = True
if not self._config:
self._logger.info("No config applied yet - using default config")
self.set_config()
self._random_wait_start()
args = {'duration': self._config['call_duration'] * 1000,
'client_ip': self._config['client_ip'],
'codec': self._config['codec']}
call_cnt = 0
while self._running:
if not self._do_request():
time.sleep(0.1)
else:
self._logger.debug("VoIPServer running")
call_cnt += 1
args['rcv_file'] = "call_%d.bin" % int((time.time() - 1523017559) * 10)
cmd = "ITGSend -a {client_ip} -t {duration} -m rttm -x {rcv_file} VoIP -x {codec}".format(**args)
self._itgsend = ITG(cmd)
self._itgsend.start()
self._itgsend.wait()
self._request_finished()
class VoIPServer(PrototypeServer.PrototypeServer):
def __init__(self, **kwargs):
super(VoIPServer, self).__init__(**kwargs)
self._logger.debug("VoIPServer.__init__()")
self._default_config.update({
"client_ip": "127.0.0.1",
"call_duration": 30,
"codec": "G.729.2"
})
self._itgsend = None
def prepare(self):
self._logger.debug("VoIPServer.prepare()")
def run(self):
self._logger.debug("VoIPServer.run()")
self._running = True
if not self._config:
self._logger.info("No config applied yet - using default config")
self.set_config()
self._random_wait_start()
args = {'duration': self._config['call_duration'] * 1000,
'client_ip': self._config['client_ip'],
'codec': self._config['codec']}
call_cnt = 0
while self._running:
if not self._do_request():
time.sleep(0.1)
else:
self._logger.debug("VoIPServer running")
call_cnt += 1
args['rcv_file'] = "call_%d.bin" % int((time.time() - 1523017559) * 10)
cmd = "ITGSend -a {client_ip} -t {duration} -m rttm -x {rcv_file} VoIP -x {codec}".format(**args)
self._itgsend = ITG(cmd)
self._itgsend.start()
self._itgsend.wait()
self._request_finished()
def clean_up(self):
self._logger.debug("VoIPServer.clean_up()")
self._itgsend.stop()
def _apply_config(self):
self._logger.debug("VoIPServer._apply_config()")
class VoIPClient(PrototypeClient.PrototypeClient):
def __init__(self, **kwargs):
super(VoIPClient, self).__init__(**kwargs)
self._logger.debug("VoIPClient.__init__()")
self._default_config.update({})
self._itgrecv = None
def prepare(self):
self._logger.debug("VoIPClient.prepare()")
self.register_application()
def run(self):
self._logger.debug("VoIPClient.run()")
self._running = True
prev_call_logs = set(
[d for d in os.listdir(".") if d.startswith("call_")])
self._itgrecv = ITG("ITGRecv")
self._itgrecv.start()
while self._running:
time.sleep(1)
call_logs = set([
d for d in os.listdir(".")
if d.startswith("call_") and d.endswith(".bin")
])
new_logs = [l for l in call_logs if l not in prev_call_logs]
prev_call_logs = call_logs
for logf in new_logs:
while not self._is_finished_writing(logf):
time.sleep(1)
self._logger.debug("CALL: %s" % logf)
metric = self._parse_log(logf)
self._create_metric(metric=metric)
self._report_metric()
def _parse_log(self, logf):
# Summary Statistics
cmd = "ITGDec %s -c 1000000 %s.txt" % (logf, logf)
self._logger.debug("CMD: %s " % cmd)
subprocess.check_call(cmd, shell=True)
with open("%s.txt" % logf) as f:
stats = f.readlines()
# It should be only one line..
assert (len(stats) == 1)
m = ["time", "bitrate", "delay", "jitter", "packets_lost"]
sp = stats[0].split()
stats = {m: float(sp[i]) for i, m in enumerate(m)}
# Print metrics summary for debugging
cmd = "ITGDec %s > %s.summary.txt" % (logf, logf)
self._logger.debug("CMD: %s " % cmd)
subprocess.check_call(cmd, shell=True)
# Packet count and sizes
cmd = "ITGDec %s -P > %s.sizes.txt" % (logf, logf)
self._logger.debug("CMD: %s " % cmd)
subprocess.check_call(cmd, shell=True)
with open("%s.sizes.txt" % logf) as f:
sizes = f.readlines()
pkt_count = len(sizes) - 2
avg_pkt_size = int(sum([int(p) for p in sizes[2:]]) / pkt_count)
stats.update({
'call':
logf,
'rcvd_pkt_count':
pkt_count,
'rcvd_avg_pkt_size':
avg_pkt_size,
'packet_loss':
stats['packets_lost'] / (pkt_count + stats['packets_lost'])
})
return stats
def _is_finished_writing(self, logf):
"""
Checks if ITG finished writing the logfile.
:param logf:
:return:
"""
cmd = "lsof -t %s" % logf
#self._logger.debug("CMD: %s" % cmd)
try:
out = subprocess.check_output(cmd, shell=True)
except subprocess.CalledProcessError:
# Exception means no process has the file open right now
return True
return False
def clean_up(self):
self._logger.debug("VoIPClient.clean_up()")
self._itgrecv.stop()
self.unregister_application()
def _apply_config(self):
self._logger.debug("VoIPClient._apply_config()")