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-rwxr-xr-xtest/vpp_pg_interface.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/vpp_pg_interface.py b/test/vpp_pg_interface.py
index b347f9d5096..e5926fac509 100755
--- a/test/vpp_pg_interface.py
+++ b/test/vpp_pg_interface.py
@@ -295,6 +295,20 @@ class VppPGInterface(VppInterface):
raise AssertionError("Capture file present for interface %s" %
self.name)
+ def wait_for_pg_stop(self):
+ # wait till packet-generator is stopped
+ # "show packet-generator" while it is still running gives this:
+ # Name Enabled Count Parameters
+ # pcap0-sw_if_inde Yes 64 limit 64, ...
+ #
+ # also have a 5-minute timeout just in case things go terribly wrong...
+ deadline = time.time() + 300
+ while self.test.vapi.cli('show packet-generator').find("Yes") != -1:
+ self._test.sleep(0.01) # yield
+ if time.time() > deadline:
+ self.test.logger.debug("Timeout waiting for pg to stop")
+ break
+
def wait_for_capture_file(self, timeout=1):
"""
Wait until pcap capture file appears
@@ -303,6 +317,7 @@ class VppPGInterface(VppInterface):
:returns: True/False if the file is present or appears within timeout
"""
+ self.wait_for_pg_stop()
deadline = time.time() + timeout
if not os.path.isfile(self.out_path):
self.test.logger.debug("Waiting for capture file %s to appear, "