diff options
Diffstat (limited to 'src/ovs/ofctl.py')
| -rw-r--r-- | src/ovs/ofctl.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/ovs/ofctl.py b/src/ovs/ofctl.py index d7a2b320..a75d0be2 100644 --- a/src/ovs/ofctl.py +++ b/src/ovs/ofctl.py @@ -439,6 +439,21 @@ def flow_match(flow_dump, flow_src): # perform unifications on both source and destination flows flow_dump = flow_dump.replace('actions=', 'action=') flow_src = flow_src.replace('actions=', 'action=') + # For complex flows the output of "ovs-ofctl dump-flows" can use the + # shorthand notation. + # eg if we set a flow with constraints on UDP ports like in the following + # {'dl_type': '0x0800', 'nw_proto': '17', 'in_port': '1', 'udp_dst': '0', 'actions': ['output:2']} + # dump-flows output can combine the first 2 constraints into 'udp' and translate + # 'udp_dst' into 'tp_dst' like + # "udp,in_port=1,tp_dst=0 actions=output:2". + # So the next replacements are needed. + flow_dump = flow_dump.replace('ip', 'dl_type=0x0800') + flow_dump = flow_dump.replace('tcp', 'nw_proto=6,dl_type=0x0800') + flow_dump = flow_dump.replace('udp', 'nw_proto=17,dl_type=0x0800') + flow_src = flow_src.replace('udp_src', 'tp_src') + flow_src = flow_src.replace('udp_dst', 'tp_dst') + flow_src = flow_src.replace('tcp_src', 'tp_src') + flow_src = flow_src.replace('tcp_dst', 'tp_dst') # split flow strings into lists of comparable elements flow_dump_list = re.findall(r"[\w.:=()]+", flow_dump) |