def bwmonitor(interface):
client_id = util.get_client_id()
MAX_32UINT = (2**32) - 1
STATS_PATH = "/sys/class/net/{}/statistics".format(interface)
try:
rx_bytes_file = open("{}/rx_bytes".format(STATS_PATH))
except:
sys.exit(2)
try:
tx_bytes_file = open("{}/tx_bytes".format(STATS_PATH))
except:
sys.exit(2)
last_rx_bytes = None
last_tx_bytes = None
last_time = None
dbq = db_queue()
while True:
loop_start_time = time.time()
rx_bytes_file.seek(0)
rx_bytes = long(rx_bytes_file.read().strip())
tx_bytes_file.seek(0)
tx_bytes = long(tx_bytes_file.read().strip())
if last_time is not None:
if last_rx_bytes > rx_bytes:
# rollover occurred
rx_bytes_delta = rx_bytes + (MAX_32UINT - last_rx_bytes)
else:
rx_bytes_delta = rx_bytes - last_rx_bytes
if last_tx_bytes > tx_bytes:
# rollover occurred
tx_bytes_delta = tx_bytes + (MAX_32UINT - last_tx_bytes)
else:
tx_bytes_delta = tx_bytes - last_tx_bytes
time_delta = loop_start_time - last_time
rx_bps = float(rx_bytes_delta * 8) / time_delta
tx_bps = float(tx_bytes_delta * 8) / time_delta
bw_data = { "type" : "bandwidth", \
"data" : { "client_id" : client_id, \
"timestamp" : loop_start_time, \
"rx_bytes" : rx_bytes_delta, \
"tx_bytes" : tx_bytes_delta, \
"rx_bps" : rx_bps, \
"tx_bps" : tx_bps}
}
dbq.write(bw_data)
last_time = loop_start_time
last_rx_bytes = rx_bytes
last_tx_bytes = tx_bytes
# sleep off remaining time
sleeptime = 1.0 - (time.time() - loop_start_time)
if (sleeptime > 0):
try:
time.sleep(sleeptime)
except:
pass
def bwmonitor(interface):
client_id = util.get_client_id()
os_word_size = 64 if sys.maxsize > 2**32 else 32
MAXUINT = (2 ** os_word_size) - 1
STATS_PATH="/sys/class/net/{}/statistics".format(interface)
try:
rx_bytes_file = open("{}/rx_bytes".format(STATS_PATH))
except:
sys.exit(2)
try:
tx_bytes_file = open("{}/tx_bytes".format(STATS_PATH))
except:
sys.exit(2)
last_rx_bytes = None
last_tx_bytes = None
last_time = None
dbq = db_queue()
while True:
loop_start_time = time.time()
rx_bytes_file.seek(0)
rx_bytes = int(rx_bytes_file.read().strip())
tx_bytes_file.seek(0)
tx_bytes = int(tx_bytes_file.read().strip())
if last_time is not None:
rx_bytes_delta = rx_bytes - last_rx_bytes if rx_bytes >= last_rx_bytes else MAXUINT - last_rx_bytes + rx_bytes + 1
tx_bytes_delta = tx_bytes - last_tx_bytes if tx_bytes >= last_tx_bytes else MAXUINT - last_tx_bytes + tx_bytes + 1
time_delta = loop_start_time - last_time
rx_bps = float(rx_bytes_delta * 8) / time_delta
tx_bps = float(tx_bytes_delta * 8) / time_delta
bw_data = { "type" : "bandwidth", \
"data" : { "client_id" : client_id, \
"timestamp" : loop_start_time, \
"rx_bytes" : rx_bytes_delta, \
"tx_bytes" : tx_bytes_delta, \
"rx_bps" : rx_bps, \
"tx_bps" : tx_bps}
}
dbq.write(bw_data)
last_time = loop_start_time
last_rx_bytes = rx_bytes
last_tx_bytes = tx_bytes
# sleep off remaining time
sleeptime = 1.0 - (time.time() - loop_start_time)
if (sleeptime > 0):
try:
time.sleep (sleeptime)
except:
pass
def main():
if ((len(sys.argv) < 2) or (len(sys.argv) > 2)):
print_usage()
sys.exit(1)
dbq = db_queue()
with open("/opt/netperf/config/interfaces.json", "r") as config_file:
interface_info = json.load(config_file)
test_exec_namespace = interface_info["test_exec_namespace"]
if sys.argv[1] == 'local':
interfaces = interface_info["interfaces"]
for i in interfaces:
if interfaces[i]["namespace"] != test_exec_namespace:
test_local_network(test_exec_namespace,
interfaces[i]["alias"], dbq)
else:
if sys.argv[1] == 'isp':
db_filename = NETPERF_SETTINGS.get_db_filename()
db = netperf_db(db_filename)
enforce_quota = NETPERF_SETTINGS.get_speedtest_enforce_quota()
data_usage_quota_GB = NETPERF_SETTINGS.get_data_usage_quota_GB(
)
data_usage_GB = float(
db.get_data_usage()["rxtx_bytes"]) / float(1e9)
test_log.info("data usage GB: {:0.2f}".format(data_usage_GB))
if enforce_quota == True:
st_data_usage = db.get_speedtest_data_usage(
datetime.today())
test_count = st_data_usage[0]["test_count"]
if test_count > 0:
rxtx_GB = float(
st_data_usage[0]["rxtx_bytes"]) / float(1e9)
avg_rxtx_GB = float(rxtx_GB) / float(test_count)
else:
rxtx_GB = float(0)
avg_rxtx_GB = float(0)
if (data_usage_GB + avg_rxtx_GB) > data_usage_quota_GB:
quota_reached = True
else:
quota_reached = False
if not (enforce_quota == True and quota_reached == True):
test_ok = test_isp(test_exec_namespace, dbq)
if not test_ok:
# speedtest failed, test for an Internet outage outage
ping_results = pingtest(test_exec_namespace, "8.8.8.8",
dbq)
(client_id, timestamp, remote_host, min, avg, max,
mdev) = ping_results
if min == 0 or max == 0:
# log an outage
outage_data = {"type": "isp_outage",\
"data" : { \
"client_id" : client_id, \
"timestamp" : timestamp} \
}
dbq.write(outage_data)
else:
test_log.error(
"Data usage quota has been reached, speedtest was cancelled. Data usage quota: {:0.2f} Data usage since last reset: {:0.2} GB, average data usage per test: {:0.2f} GB"
.format(data_usage_quota_GB, data_usage_GB,
avg_rxtx_GB))
else:
if sys.argv[1] == 'dns':
dns_ok = test_name_resolution(test_exec_namespace, dbq)
if not dns_ok:
# dns lookup failures, test for an Internet outage
ping_results = pingtest(test_exec_namespace, "8.8.8.8",
dbq)
(client_id, timestamp, remote_host, min, avg, max,
mdev) = ping_results
if min == 0 or max == 0:
# log an outage
outage_data = {"type": "isp_outage",\
"data" : { \
"client_id" : client_id, \
"timestamp" : timestamp} \
}
dbq.write(outage_data)
else:
if sys.argv[1] == 'internet_ping':
ping_results = pingtest(test_exec_namespace, "8.8.8.8",
dbq)
(client_id, timestamp, remote_host, min, avg, max,
mdev) = ping_results
message = { "type" : "ping", \
"data" : { "client_id" : client_id, \
"timestamp" : timestamp, \
"remote_host" : remote_host, \
"min" : min, \
"avg" : avg, \
"max" : max, \
"mdev" : mdev}}
#dbq.write(message)
if min == 0 or max == 0:
test_log.info("Internet outage detected.")
outage_data = {"type": "isp_outage",\
"data" : { \
"client_id" : client_id, \
"timestamp" : timestamp} \
}
dbq.write(outage_data)
else:
print_usage()
sys.exit(1)
#!/usr/bin/env python
# This file is part of the Network Performance Monitor which is released under the GNU General Public License v3.0
# See the file LICENSE for full license details.
import sys
import util
from datetime import datetime, timedelta
from netperf_db import db_queue
from util import get_client_id
client_id = get_client_id()
dbq = db_queue()
message = { "type" : "data_usage_reset",\
"data" : { "client_id" : client_id } }
dbq.write(message)
