[PATCH 3/5] tests/remote: add utils file
Janusz Dziedzic
janusz.dziedzic at tieto.com
Wed Mar 30 13:29:36 PDT 2016
Add rutils.py for remote tests.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic at tieto.com>
---
tests/hwsim/remotehost.py | 1 +
tests/remote/run-tests.py | 4 +
tests/remote/rutils.py | 524 +++++++++++++++++++++++++++++++++++++++++++
tests/remote/test_devices.py | 10 +-
4 files changed, 532 insertions(+), 7 deletions(-)
create mode 100644 tests/remote/rutils.py
diff --git a/tests/hwsim/remotehost.py b/tests/hwsim/remotehost.py
index f5e88ae..6796e25 100644
--- a/tests/hwsim/remotehost.py
+++ b/tests/hwsim/remotehost.py
@@ -37,6 +37,7 @@ class Host():
self.logs = []
self.ifname = ifname
self.port = port
+ self.dev = None
if self.name == "" and host != None:
self.name = host
diff --git a/tests/remote/run-tests.py b/tests/remote/run-tests.py
index 33ac8e6..c3cb16a 100755
--- a/tests/remote/run-tests.py
+++ b/tests/remote/run-tests.py
@@ -24,6 +24,7 @@ import wpaspy
import config
from test_devices import show_devices
from test_devices import check_devices
+from rutils import TestSkip
def usage():
print "USAGE: " + sys.argv[0] + " -t devices"
@@ -261,6 +262,9 @@ def main():
except KeyboardInterrupt:
put_devices(devices, duts, refs, monitors)
raise
+ except TestSkip, e:
+ end = datetime.now()
+ logger.warning("SKIP (" + str(e) + ") - " + str((end - start).total_seconds()) + "s")
except Exception, e:
end = datetime.now()
logger.warning("FAILED (" + str(e) + ") - " + str((end - start).total_seconds()) + "s")
diff --git a/tests/remote/rutils.py b/tests/remote/rutils.py
new file mode 100644
index 0000000..e321fee
--- /dev/null
+++ b/tests/remote/rutils.py
@@ -0,0 +1,524 @@
+#
+# Utils
+# Copyright (c) 2016, Tieto Corporation
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+import time
+from remotehost import Host
+import hostapd
+import config
+
+class TestSkip(Exception):
+ def __init__(self, reason):
+ self.reason = reason
+ def __str__(self):
+ return self.reason
+
+# get host based on name
+def get_host(devices, dev_name):
+ dev = config.get_device(devices, dev_name)
+ host = Host(host = dev['hostname'],
+ ifname = dev['ifname'],
+ port = dev['port'],
+ name = dev['name'])
+ host.dev = dev
+ return host
+
+# run setup_hw - hw specyfic
+def setup_hw(hosts, setup_params):
+ for host in hosts:
+ setup_hw_host(host, setup_params)
+
+def setup_hw_host(host, setup_params):
+ try:
+ setup_hw = setup_params['setup_hw']
+ restart = ""
+ try:
+ if setup_params['restart_device'] == True:
+ restart = " -R "
+ except:
+ pass
+ host.execute(setup_hw + " -I " + host.ifname + restart)
+ except:
+ pass
+
+# get traces - hw specyfic
+def trace_start(hosts, setup_params):
+ for host in hosts:
+ trace_start_stop(host, setup_params, start=True)
+
+def trace_stop(hosts, setup_params):
+ for host in hosts:
+ trace_start_stop(host, setup_params, start=False)
+
+def trace_start_stop(host, setup_params, start):
+ if setup_params['trace'] == False:
+ return
+ try:
+ start_trace = setup_params['trace_start']
+ stop_trace = setup_params['trace_stop']
+ if start:
+ cmd = start_trace
+ else:
+ cmd = stop_trace
+ trace_dir = setup_params['log_dir'] + host.ifname + "/remote_traces"
+ cmd = cmd + " -I " + host.ifname + " -D " + trace_dir
+ host.logs.append(trace_dir + "/*")
+ host.execute(cmd)
+ except:
+ pass
+
+# get perf
+def perf_start(hosts, setup_params):
+ for host in hosts:
+ perf_start_stop(host, setup_params, start=True)
+
+def perf_stop(hosts, setup_params):
+ for host in hosts:
+ perf_start_stop(host, setup_params, start=False)
+
+def perf_start_stop(host, setup_params, start):
+ if setup_params['perf'] == False:
+ return
+ try:
+ perf_start = setup_params['perf_start']
+ perf_stop = setup_params['perf_stop']
+ if start:
+ cmd = perf_start
+ else:
+ cmd = perf_stop
+ perf_dir = setup_params['log_dir'] + host.ifname + "/remote_perf"
+ cmd = cmd + " -I " + host.ifname + " -D " + perf_dir
+ host.logs.append(perf_dir + "/*")
+ host.execute(cmd)
+ except:
+ pass
+
+# hostapd/wpa_supplicant helpers
+def run_hostapd(host, setup_params):
+ log_file = None
+ try:
+ tc_name = setup_params['tc_name']
+ log_dir = setup_params['log_dir']
+ log_file = log_dir + tc_name + "_hostapd_" + host.name + "_" + host.ifname + ".log"
+ host.execute("rm " + log_file)
+ log = " -f " + log_file
+ except:
+ log = ""
+
+ if log_file:
+ host.logs.append(log_file)
+ status, buf = host.execute(setup_params['hostapd'] + " -B -ddt -g udp:" + host.port + log)
+ if status != 0:
+ raise Exception("Could not run hostapd: " + buf)
+
+def run_wpasupplicant(host, setup_params):
+ log_file = None
+ try:
+ tc_name = setup_params['tc_name']
+ log_dir = setup_params['log_dir']
+ log_file = log_dir + tc_name + "_wpa_supplicant_" + host.name + "_" + host.ifname + ".log"
+ host.execute("rm " + log_file)
+ log = " -f " + log_file
+ except:
+ log = ""
+
+ if log_file:
+ host.logs.append(log_file)
+ status, buf = host.execute(setup_params['wpa_supplicant'] + " -B -ddt -g udp:" + host.port + log)
+ if status != 0:
+ raise Exception("Could not run wpa_supplicant: " + buf)
+
+def get_ap_params(channel="1", bw="HT20", country="US", security="open", ht_capab=None, vht_capab=None):
+ ssid = "test_" + channel + "_" + security + "_" + bw
+
+ if bw == "b_only":
+ params = hostapd.b_only_params(channel, ssid, country)
+ elif bw == "g_only":
+ params = hostapd.g_only_params(channel, ssid, country)
+ elif bw == "g_only_wmm":
+ params = hostapd.g_only_params(channel, ssid, country)
+ params['wmm_enabled'] = "1"
+ elif bw == "a_only":
+ params = hostapd.a_only_params(channel, ssid, country)
+ elif bw == "a_only_wmm":
+ params = hostapd.a_only_params(channel, ssid, country)
+ params['wmm_enabled'] = "1"
+ elif bw == "HT20":
+ params = hostapd.ht20_params(channel, ssid, country)
+ if ht_capab:
+ try:
+ params['ht_capab'] = params['ht_capab'] + ht_capab
+ except:
+ params['ht_capab'] = ht_capab
+ elif bw == "HT40+":
+ params = hostapd.ht40_plus_params(channel, ssid, country)
+ if ht_capab:
+ params['ht_capab'] = params['ht_capab'] + ht_capab
+ elif bw == "HT40-":
+ params = hostapd.ht40_minus_params(channel, ssid, country)
+ if ht_capab:
+ params['ht_capab'] = params['ht_capab'] + ht_capab
+ elif bw == "VHT80":
+ params = hostapd.ht40_plus_params(channel, ssid, country)
+ if ht_capab:
+ params['ht_capab'] = params['ht_capab'] + ht_capab
+ if vht_capab:
+ try:
+ params['vht_capab'] = params['vht_capab'] + vht_capab
+ except:
+ params['vht_capab'] = vht_capab
+ params['ieee80211ac'] = "1"
+ params['vht_oper_chwidth'] = "1"
+ params['vht_oper_centr_freq_seg0_idx'] = str(int(channel) + 6)
+ else:
+ params = {}
+
+ # now setup security params
+ if security == "tkip":
+ sec_params = hostapd.wpa_params(passphrase="testtest")
+ elif security == "ccmp":
+ sec_params = hostapd.wpa2_params(passphrase="testtest")
+ elif security == "mixed":
+ sec_params = hostapd.wpa_mixed_params(passphrase="testtest")
+ elif security == "wep":
+ sec_params = { "wep_key0" : "123456789a",
+ "wep_default_key" : "0",
+ "auth_algs" : "1"}
+ elif security == "wep_shared":
+ sec_params = { "wep_key0" : "123456789a",
+ "wep_default_key" : "0",
+ "auth_algs" : "2" }
+ else:
+ sec_params = {}
+
+ params.update(sec_params)
+
+ return params
+
+# ip helpers
+def get_ipv4(client, ifname=None):
+ if ifname is None:
+ ifname = client.ifname
+ status, buf = client.execute("ifconfig " + ifname)
+ lines = buf.splitlines()
+
+ for line in lines:
+ res = line.find("inet addr:")
+ if res != -1:
+ break
+
+ if res != -1:
+ words = line.split()
+ addr = words[1].split(":")
+ return addr[1]
+
+ return "unknown"
+
+def get_ipv6(client, ifname=None):
+ res = -1
+ if ifname is None:
+ ifname = client.ifname
+ status, buf = client.execute("ifconfig " + ifname)
+ lines = buf.splitlines()
+
+ for line in lines:
+ res = line.find("Scope:Link")
+ if res != -1:
+ break
+
+ if res != -1:
+ words = line.split()
+ if words[0] == "inet6" and words[1] == "addr:":
+ addr_mask = words[2]
+ addr = addr_mask.split("/")
+ return addr[0]
+
+ return "unknown"
+
+def get_ip(client, addr_type="ipv6", iface=None):
+ if addr_type == "ipv6":
+ return get_ipv6(client, iface)
+ elif addr_type == "ipv4":
+ return get_ipv4(client, iface)
+ else:
+ return "unknown addr_type: " + addr_type
+
+def get_ipv4_addr(setup_params, number):
+ try:
+ ipv4_base = setup_params['ipv4_test_net']
+ except:
+ ipv4_base = "172.16.12.0"
+
+ parts = ipv4_base.split('.')
+ ipv4 = parts[0] + "." + parts[1] + "." + parts[2] + "." + str(number)
+
+ return ipv4
+
+
+# connectivity/ping helpers
+def get_ping_packet_loss(ping_res):
+ loss_line = ""
+ lines = ping_res.splitlines()
+ for line in lines:
+ if line.find("packet loss") != -1:
+ loss_line = line
+ break;
+
+ if loss_line == "":
+ return "100%"
+
+ sections = loss_line.split(",")
+
+ for section in sections:
+ if section.find("packet loss") != -1:
+ words = section.split()
+ return words[0]
+
+ return "100%"
+
+def ac_to_ping_ac(qos):
+ if qos == "be":
+ qos_param = "-Q 0x00"
+ elif qos == "bk":
+ qos_param = "-Q 0x20"
+ elif qos == "vi":
+ qos_param = "-Q 0xA0"
+ elif qos == "vo":
+ qos_param = "-Q 0xE0"
+ else:
+ qos_param = "-Q 0x00"
+ return qos_param
+
+def ping_run(host, ip, result, ifname=None, addr_type="ipv4", deadline="5", qos=None):
+ ping = "ping"
+ if ifname is None:
+ ifname = host.ifname
+ if addr_type == "ipv6":
+ ping = "ping6"
+ if qos:
+ qos = " " + ac_to_ping_ac(qos) + " "
+ else:
+ qos = ""
+ ping = ping + " -w " + deadline + " -I " + ifname + qos + " " + ip
+
+ host.execute("ip -s -s neigh flush all")
+
+ thread = host.execute_run(ping, result)
+ return thread
+
+def ping_wait(host, thread, timeout=None):
+ host.wait_execute_complete(thread, timeout)
+ if thread.isAlive():
+ raise Exception("ping thread still alive")
+
+def check_connectivity(a, b, addr_type = "ipv4", deadline="5", qos=None):
+ addr_a = get_ip(a, addr_type)
+ addr_b = get_ip(b, addr_type)
+
+ if addr_type == "ipv4":
+ ping = "ping"
+ else:
+ ping = "ping6"
+
+ if qos:
+ qos = " " + ac_to_ping_ac(qos) + " "
+ else:
+ qos = ""
+
+ # Clear arp cache
+ a.execute("ip -s -s neigh flush all")
+ b.execute("ip -s -s neigh flush all")
+
+ status, buf = a.execute(ping + " -w " + deadline + qos + " -I " + a.ifname + " " + addr_b)
+ if status == 2 and ping == "ping6":
+ # tentative possible for a while, try again
+ time.sleep(3)
+ status, buf = a.execute(ping + " -w " + deadline + qos + " -I " + a.ifname + " " + addr_b)
+ if status != 0:
+ raise Exception("ping " + a.name + "/" + a.ifname + " >> " + b.name + "/" + b.ifname)
+
+ a_b = get_ping_packet_loss(buf)
+
+ # Clear arp cache
+ a.execute("ip -s -s neigh flush all")
+ b.execute("ip -s -s neigh flush all")
+
+ status, buf = b.execute(ping + " -w " + deadline + qos + " -I " + b.ifname + " " + addr_a)
+ if status != 0:
+ raise Exception("ping " + b.name + "/" + b.ifname + " >> " + a.name + "/" + a.ifname)
+
+ b_a = get_ping_packet_loss(buf)
+
+ if int(a_b[:-1]) > 40:
+ raise Exception("Too high packet lost: " + a_b)
+
+ if int(b_a[:-1]) > 40:
+ raise Exception("Too high packet lost: " + b_a)
+
+ return a_b, b_a
+
+
+# iperf helpers
+def get_iperf_speed(iperf_res, pattern="Mbits/sec"):
+ lines = iperf_res.splitlines()
+ sum_line = ""
+ last_line = ""
+ count = 0
+ res = -1
+
+ # first find last SUM line
+ for line in lines:
+ res = line.find("[SUM]")
+ if res != -1:
+ sum_line = line
+
+ # next check SUM status
+ if sum_line != "":
+ words = sum_line.split()
+ for word in words:
+ res = word.find(pattern)
+ if res != -1:
+ return words[count - 1] + " " + pattern
+ count = count + 1
+
+ # no SUM - one thread - find last line
+ for line in lines:
+ res = line.find(pattern)
+ if res != -1:
+ last_line = line
+
+ if last_line == "":
+ return "0 " + pattern
+
+ count = 0
+ words = last_line.split()
+ for word in words:
+ res = word.find(pattern)
+ if res != -1:
+ return words[count - 1] + " " + pattern
+ break;
+ count = count + 1
+ return "0 " + pattern
+
+def ac_to_iperf_ac(qos):
+ if qos == "be":
+ qos_param = "-S 0x00"
+ elif qos == "bk":
+ qos_param = "-S 0x20"
+ elif qos == "vi":
+ qos_param = "-S 0xA0"
+ elif qos == "vo":
+ qos_param = "-S 0xE0"
+ else:
+ qos_param = "-S 0x00"
+ return qos_param
+
+def iperf_run(server, client, server_ip, client_res, server_res,
+ l4="udp", bw="30M", test_time="30", parallel="5",
+ qos="be", param=" -i 5 ", ifname=None, l3="ipv4",
+ port="5001", iperf="iperf"):
+ if ifname == None:
+ ifname = client.ifname
+
+ if iperf == "iperf":
+ iperf_server = iperf
+ elif iperf == "iperf3":
+ iperf_server = iperf + " -1"
+
+ if l3 == "ipv4":
+ iperf_client = iperf + " -c " + server_ip + " -p " + port
+ iperf_server = iperf_server + " -p " + port
+ elif l3 == "ipv6":
+ iperf_client = iperf + " -V -c " + server_ip + "%" + ifname + " -p " + port
+ iperf_server = iperf_server + " -V -p " + port
+ else:
+ return -1, -1
+
+ iperf_server = iperf_server + " -s -f m " + param
+ iperf_client = iperf_client + " -f m -t " + test_time
+
+ if parallel != "1":
+ iperf_client = iperf_client + " -P" + parallel
+
+ if l4 == "udp":
+ if iperf != "iperf3":
+ iperf_server = iperf_server + " -u"
+ iperf_client = iperf_client + " -u -b " + bw
+
+ qos_param = ac_to_iperf_ac(qos)
+ iperf_client = iperf_client + " " + qos_param
+
+ server.execute("ip -s -s neigh flush all")
+ client.execute("ip -s -s neigh flush all")
+
+ server_thread = server.execute_run(iperf_server, server_res)
+ time.sleep(1)
+ client_thread = client.execute_run(iperf_client, client_res)
+
+ return server_thread, client_thread
+
+def iperf_wait(server, client, server_thread, client_thread, timeout=None, iperf="iperf"):
+ client.wait_execute_complete(client_thread, timeout)
+ if client_thread.isAlive():
+ raise Exception("iperf client thread still alive")
+
+ server.wait_execute_complete(server_thread, 5)
+ if server_thread.isAlive():
+ server.execute("killall -s INT " + iperf)
+ time.sleep(1)
+
+ server.wait_execute_complete(server_thread, 5)
+ if server_thread.isAlive():
+ raise Execption("iperf server thread still alive")
+
+ return
+
+def run_tp_test(server, client, l3="ipv4", iperf="iperf", l4="tcp", test_time="10", parallel="5",
+ qos="be", bw="30M", ifname=None, port="5001"):
+ client_res = []
+ server_res = []
+
+ server_ip = get_ip(server, l3)
+ time.sleep(1)
+ server_thread, client_thread = iperf_run(server, client, server_ip, client_res, server_res,
+ l3=l3, iperf=iperf, l4=l4, test_time=test_time,
+ parallel=parallel, qos=qos, bw=bw, ifname=ifname,
+ port=port)
+ iperf_wait(server, client, server_thread, client_thread, iperf=iperf, timeout=int(test_time) + 10)
+
+ if client_res[0] != 0:
+ raise Exception(iperf + " client: " + client_res[1])
+ if server_res[0] != 0:
+ raise Exception(iperf + " server: " + server_res[1])
+ if client_res[1] is None:
+ raise Exception(iperf + " client result issue")
+ if server_res[1] is None:
+ raise Exception(iperf + " server result issue")
+
+ if iperf == "iperf":
+ result = server_res[1]
+ if iperf == "iperf3":
+ result = client_res[1]
+
+ speed = get_iperf_speed(result)
+ return speed
+
+def get_iperf_bw(bw, parallel, spacial_streams=2):
+ if bw == "b_only":
+ max_tp = 11
+ elif bw == "g_only" or bw == "g_only_wmm" or bw == "a_only" or bw == "a_only_wmm":
+ max_tp = 54
+ elif bw == "HT20":
+ max_tp = 72 * spacial_streams
+ elif bw == "HT40+" or bw == "HT40-":
+ max_tp = 150 * spacial_streams
+ elif bw == "VHT80":
+ max_tp = 433 * spacial_streams
+ else:
+ max_tp = 150
+
+ max_tp = 1.2 * max_tp
+
+ return str(int(max_tp/int(parallel))) + "M"
diff --git a/tests/remote/test_devices.py b/tests/remote/test_devices.py
index 4a22d42..412c2ad 100644
--- a/tests/remote/test_devices.py
+++ b/tests/remote/test_devices.py
@@ -16,7 +16,7 @@ import re
import logging
logger = logging.getLogger()
-import utils
+import rutils
from remotehost import Host
from wpasupplicant import WpaSupplicant
import hostapd
@@ -25,9 +25,7 @@ def show_devices(devices, setup_params):
"""Show/check available devices"""
print "Devices:"
for device in devices:
- dev = config.get_device(devices, device['name'])
- host = Host(host = dev['hostname'], ifname = dev['ifname'],
- port = dev['port'], name = dev['name'])
+ host = rutils.get_host(devices, device['name'])
# simple check if authorized_keys works correctly
status, buf = host.execute("id")
if status != 0:
@@ -83,9 +81,7 @@ def show_devices(devices, setup_params):
print ""
def check_device(devices, setup_params, dev_name, monitor=False):
- dev = config.get_device(devices, dev_name)
- host = Host(host = dev['hostname'], ifname = dev['ifname'],
- port = dev['port'], name = dev['name'])
+ host = rutils.get_host(devices, dev_name)
# simple check if authorized_keys works correctly
status, buf = host.execute("id")
if status != 0:
--
1.9.1
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