[PATCH lnst 01/13] HostAPI: Make SlaveMethods.get_routes() IPv6-aware

[Petr Machata]

Introduce an as simple as possible regular expression to parse IPv6
routes. This doesn't support parsing of the least significant 32 bits
in IPv4 format.

Signed-off-by: Petr Machata <petrm(a)mellanox.com&gt;
Reviewed-by: Yotam Gigi <yotamg(a)mellanox.com&gt;
---

Notes:
    Changes from v1 to v2:
    
    - Reword the subject for clarity

 lnst/Slave/NetTestSlave.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lnst/Slave/NetTestSlave.py b/lnst/Slave/NetTestSlave.py
index a6acb8d..8f2eef3 100644
--- a/lnst/Slave/NetTestSlave.py
+++ b/lnst/Slave/NetTestSlave.py
@@ -766,7 +766,8 @@ class SlaveMethods:
         dc_routes = []
         nh_routes = []
         ip_re = "\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}"
-        prefix_re = "^(" + ip_re + "(?:/\d{1,3})?)"
+        ip6_re =
"(?:(?:[\da-f]{1,4}:)*|:)(?::|(?:[\da-f]{1,4})|(?::[\da-f]{1,4})*)"
+        prefix_re = "^((?:local )?" + "(?:%s|%s)" % (ip_re, ip6_re) +
"(?:/\d{1,3})?)"
 
         # parse directly connected routes
         dc_route_re = prefix_re + " dev (\w+) (.*)"
-- 
2.4.11