Signed-off-by: WATANABE Fumitaka <[email protected]>
---
ryu/lib/packet/packet_base.py | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/ryu/lib/packet/packet_base.py b/ryu/lib/packet/packet_base.py
index b0aeca0..07b5253 100644
--- a/ryu/lib/packet/packet_base.py
+++ b/ryu/lib/packet/packet_base.py
@@ -17,6 +17,7 @@
class PacketBase(object):
"""A base class for a protocol (ethernet, ipv4, ...) header."""
_TYPES = {}
+ _STR_CONVERT = {}
@classmethod
def get_packet_type(cls, type_):
@@ -80,3 +81,20 @@ class PacketBase(object):
For example, *prev* is ipv4 or ipv6 for tcp.serialize.
"""
pass
+
+ def __str__(self):
+ buf = ''
+
+ for key, value in self.__dict__.items():
+ if key == 'protocol_name':
+ continue
+ if key.startswith('_'):
+ continue
+ if key in self._STR_CONVERT:
+ value = self._STR_CONVERT[key](value)
+
+ if buf != '':
+ buf += ', '
+ buf += '%s=%s' % (key, repr(value)) # repr() to escape binaries
+ return '%s(%s)' % (self.protocol_name, buf)
+ __repr__ = __str__ # note: str(list) uses __repr__ for elements
-- 1.7.10.4
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