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authorMartin Klozik <martinx.klozik@intel.com>2018-01-12 10:25:15 +0000
committerMartin Klozik <martinx.klozik@intel.com>2018-01-18 16:07:34 +0000
commit17a932044bd9924fc4ea041b217c1814148a5533 (patch)
treeebe5d650d427f4a81b5847cf966fcc8e57370579 /tools/pkt_gen/trex
parentce8e18ddcfb84f887aa91f38133781da2f592309 (diff)
trex: Improve error handling
Print an error message in case, that vsperf is not able to connect to the T-Rex server. User is instructed to check if T-Rex server is up and running. Change-Id: I70c6d27fa8331921d43e25c5eaa3638ded6c015b Signed-off-by: Martin Klozik <martinx.klozik@intel.com> Reviewed-by: Jose Lausuch <jalausuch@suse.com> Reviewed-by: Al Morton <acmorton@att.com> Reviewed-by: Christian Trautman <ctrautma@redhat.com> Reviewed-by: Sridhar Rao <sridhar.rao@spirent.com> Reviewed-by: Trevor Cooper <trevor.cooper@intel.com>
Diffstat (limited to 'tools/pkt_gen/trex')
-rw-r--r--tools/pkt_gen/trex/trex.py11
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/pkt_gen/trex/trex.py b/tools/pkt_gen/trex/trex.py
index 5ce87b1d..cfe54b78 100644
--- a/tools/pkt_gen/trex/trex.py
+++ b/tools/pkt_gen/trex/trex.py
@@ -126,9 +126,14 @@ class Trex(ITrafficGenerator):
'T-Rex: Cannot locate Trex program at %s within %s' \
% (self._trex_host_ip_addr, self._trex_base_dir))
- self._stlclient = STLClient(username=self._trex_user, server=self._trex_host_ip_addr,
- verbose_level=0)
- self._stlclient.connect()
+ try:
+ self._stlclient = STLClient(username=self._trex_user, server=self._trex_host_ip_addr,
+ verbose_level=0)
+ self._stlclient.connect()
+ except STLError:
+ raise RuntimeError('T-Rex: Cannot connect to T-Rex server. Please check if it is '
+ 'running and that firewall allows connection to TCP port 4501.')
+
self._logger.info("T-Rex: Trex host successfully found...")
def disconnect(self):