[PATCH v3 3/6] tests/remote: add monitor.py
Janusz Dziedzic
janusz.dziedzic at tieto.com
Thu Apr 28 22:07:34 PDT 2016
Add monitor support. This will support
monitors added to the current interfaces.
This also support standallone monitor with
multi interfaces support. This will allow to
get logs from different channels at the same
time to the one pcap file.
Example of t3-monitor added to config.py file.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic at tieto.com>
---
tests/hwsim/remotehost.py | 10 +++
tests/remote/config.py | 1 +
tests/remote/monitor.py | 177 ++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 188 insertions(+)
create mode 100644 tests/remote/monitor.py
diff --git a/tests/hwsim/remotehost.py b/tests/hwsim/remotehost.py
index 6895fc2..f86e972 100644
--- a/tests/hwsim/remotehost.py
+++ b/tests/hwsim/remotehost.py
@@ -31,6 +31,9 @@ class Host():
self.host = host
self.name = name
self.user = user
+ self.monitors = []
+ self.monitor_thread = None
+ self.logs = []
self.ifname = ifname
self.port = port
if self.name == "" and host != None:
@@ -88,3 +91,10 @@ class Host():
logger.debug(self.name + " wait_execute_complete(" + wait_str + "): ")
if t.isAlive():
t.join(wait)
+
+ def get_logs(self, local_log_dir=None):
+ for log in self.logs:
+ if local_log_dir:
+ self.local_execute(["scp", self.user + "@[" + self.host + "]:" + log, local_log_dir])
+ self.execute(["rm", log])
+ del self.logs[:]
diff --git a/tests/remote/config.py b/tests/remote/config.py
index 89de0fe..44efd2f 100644
--- a/tests/remote/config.py
+++ b/tests/remote/config.py
@@ -33,6 +33,7 @@ setup_params = {"setup_hw" : "./tests/setup_hw.sh",
#devices = [{"hostname": "192.168.254.58", "ifname" : "wlan0", "port": "9877", "name" : "t2-ath9k", "flags" : "AP_HT40 STA_HT40"},
# {"hostname": "192.168.254.58", "ifname" : "wlan1", "port": "9877", "name" : "t2-ath10k", "flags" : "AP_VHT80"},
# {"hostname": "192.168.254.58", "ifname" : "wlan3", "port": "9877", "name" : "t2-intel7260", "flags" : "STA_VHT80"},
+# {"hostname": "192.168.254.55", "ifname" : "wlan0, wlan1, wlan2", "port": "", "name" : "t3-monitor"},
# {"hostname": "192.168.254.50", "ifname" : "wlan0", "port": "9877", "name" : "t1-ath9k"},
# {"hostname": "192.168.254.50", "ifname" : "wlan1", "port": "9877", "name" : "t1-ath10k"}]
diff --git a/tests/remote/monitor.py b/tests/remote/monitor.py
new file mode 100644
index 0000000..e278f77
--- /dev/null
+++ b/tests/remote/monitor.py
@@ -0,0 +1,177 @@
+#
+# Monitor support
+# 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 config
+import re
+import traceback
+import logging
+logger = logging.getLogger()
+import hostapd
+
+# standalone monitor with multi iface support
+def create(devices, setup_params, refs, duts, monitors):
+ mons= []
+ mhosts = []
+ hosts = duts + refs
+
+ # choose only standalone monitors
+ for monitor in monitors:
+ if monitor not in hosts and monitor != "all":
+ mons.append(monitor)
+
+ for mon in mons:
+ dev = config.get_device(devices, mon)
+ if dev is None:
+ continue
+
+ host = Host(host = dev['hostname'],
+ ifname = dev['ifname'],
+ port = dev['port'],
+ name = dev['name'])
+
+ try:
+ host.execute(["iw", "reg", "set", setup_params['country']])
+ setup_hw = setup_params['setup_hw']
+ for iface in ifaces:
+ host.execute(setup_hw + " -I " + iface + " -R 1")
+ except:
+ pass
+ mhosts.append(host)
+
+ return mhosts
+
+def destroy(devices, hosts):
+ for host in hosts:
+ stop(host)
+ for monitor in host.monitors:
+ host.execute(["ifconfig", monitor, "down"])
+
+def setup(host, monitor_params):
+ if host is None:
+ return
+
+ ifaces = re.split('; | |, ', host.ifname)
+ count = 0
+ for param in monitor_params:
+ try:
+ iface = ifaces[count]
+ except:
+ logger.debug(traceback.format_exc())
+ break
+ host.execute(["ifconfig", iface, " down"])
+ host.execute(["iw", iface, "set type monitor"])
+ host.execute(["ifconfig", iface, "up"])
+ status, buf = host.execute(["iw", iface, "set", "freq", param['freq'],
+ param['bw'], param['center_freq1'],
+ param['center_freq2']])
+ if status != 0:
+ logger.debug("Could not setup monitor interface: " + buf)
+ continue
+ host.monitors.append(iface)
+ count = count + 1
+
+def run(host, setup_params):
+ monitor_res = []
+ log_monitor = ""
+ if host is None:
+ return None
+ if len(host.monitors) == 0:
+ return None
+ try:
+ log_dir = setup_params['log_dir']
+ tc_name = setup_params['tc_name']
+ except:
+ return None
+
+ tshark = "tshark"
+ for monitor in host.monitors:
+ host.execute(["ifconfig", monitor, "up"])
+ tshark = tshark + " -i " + monitor
+ log_monitor = log_monitor + "_" + monitor
+
+ log = log_dir + tc_name + "_" + host.name + log_monitor + ".pcap"
+ host.logs.append(log)
+ thread = host.execute_run([tshark, "-w", log], monitor_res)
+ host.thread = thread
+
+
+def stop(host):
+ if host is None:
+ return
+ if len(host.monitors) == 0:
+ return
+ if host.thread is None:
+ return
+
+ host.execute(["killall", "-s", "INT", "tshark"])
+ host.wait_execute_complete(host.thread, 5)
+ if host.thread.isAlive():
+ raise Exception("tshark still alive")
+ host.thread = None
+
+# Add monitor to existing interface
+def add(host, monitors):
+ if host is None:
+ return
+
+ for monitor in monitors:
+ if monitor != "all" and monitor != host.name:
+ continue
+ mon = "mon_" + host.ifname
+ status, buf = host.execute(["iw", host.ifname, "interface", "add", mon, "type", "monitor"])
+ if status == 0:
+ host.monitors.append(mon)
+ host.execute(["ifconfig", mon, "up"])
+ else:
+ logger.debug("Could not add monitor for " + host.name)
+
+def remove(host):
+ stop(host)
+ for monitor in host.monitors:
+ host.execute(["iw", monitor, "del"])
+ host.monitors.remove(monitor)
+
+
+# get monitor params from hostapd
+def get_monitor_params(hapd):
+ freq = hapd.get_status_field("freq")
+ bw = "20"
+ center_freq1=""
+ center_freq2=""
+
+ vht_oper_chwidth = hapd.get_status_field("vht_oper_chwidth")
+ secondary_channel = hapd.get_status_field("secondary_channel")
+ vht_oper_centr_freq_seg0_idx = hapd.get_status_field("vht_oper_centr_freq_seg0_idx")
+ vht_oper_centr_freq_seg1_idx = hapd.get_status_field("vht_oper_centr_freq_seg1_idx")
+ if vht_oper_chwidth == "0" or vht_oper_chwidth is None:
+ if secondary_channel == "1":
+ bw = "40"
+ center_freq1 = str(int(freq) + 10)
+ elif secondary_channel == "-1":
+ center_freq1 = str(int(freq) - 10)
+ else:
+ pass
+ elif vht_oper_chwidth == "1":
+ bw = "80"
+ center_freq1 = str(int(vht_oper_centr_freq_seg0_idx) * 5 + 5000)
+ elif vht_oper_chwidth == "2":
+ bw = "160"
+ center_freq1 = str(int(vht_oper_centr_freq_seg0_idx) * 5 + 5000)
+ elif vht_oper_chwidth == "3":
+ bw = "80+80"
+ center_freq1 = str(int(vht_oper_centr_freq_seg0_idx) * 5 + 5000)
+ center_freq2 = str(int(vht_oper_centr_freq_seg1_idx) * 5 + 5000)
+ else:
+ pass
+
+ monitor_params = { "freq" : freq,
+ "bw" : bw,
+ "center_freq1" : center_freq1,
+ "center_freq2" : center_freq2 }
+
+ return monitor_params
--
1.9.1
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