def process(self, influx_client, start_time, end_time):
for s_str, e_str in datetime_iter(start_time, end_time):
sys.stderr.write('Processing video_sent and video_acked data '
'between {} and {}\n'.format(s_str, e_str))
self.do_process(influx_client, s_str, e_str)
self.video_stream.done_data_points()
self.process_expired_sessions()
def process(self, influx_client, start_time, end_time):
for s_str, e_str in datetime_iter(start_time, end_time):
sys.stderr.write('Processing client_buffer data '
'between {} and {}\n'.format(s_str, e_str))
self.do_process(influx_client, s_str, e_str)
self.expiry_list.expire_all()
self.process_expired_sessions()
def collect_rebuffer():
buffer_stream = BufferStream(expt, postgres_cursor)
for s_str, e_str in datetime_iter(args.start_time, args.end_time):
do_collect_rebuffer(s_str, e_str, buffer_stream)
buffer_stream.done_data_points()
return buffer_stream.out
def count_hours_users(influx_client):
state = {}
state['num_chunk'] = 0
state['distinct_users'] = set()
for s_str, e_str in datetime_iter(args.start_time, args.end_time):
do_count_hours_users(influx_client, s_str, e_str, state)
print('Total hours: {:.2f}'.format(state['num_chunk'] * 2.002 / 3600))
print('Distinct users: {}'.format(len(state['distinct_users'])))
def collect_ssim():
d = {} # key: abr_cc; value: [sum, count]
for s_str, e_str in datetime_iter(args.start_time, args.end_time):
do_collect_ssim(s_str, e_str, d)
# calculate average SSIM in dB
for abr_cc in d:
if d[abr_cc][1] == 0:
sys.stderr.write('Warning: {} does not have SSIM data\n'
.format(abr_cc))
continue
avg_ssim_index = d[abr_cc][0] / d[abr_cc][1]
avg_ssim_db = ssim_index_to_db(avg_ssim_index)
d[abr_cc] = avg_ssim_db
return d