From 0ced2d9fbca2e4ce1790b7a5c9989a810c13aa55 Mon Sep 17 00:00:00 2001 From: Yuichi Ito Date: Tue, 29 Oct 2013 18:50:56 +0900 Subject: [PATCH] packet lib: sctp: change the timing of the auto calculation As well as 'length', calculate 'num' automatically at 'serialize()'. Signed-off-by: Yuichi Ito Signed-off-by: FUJITA Tomonori --- ryu/lib/packet/sctp.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/ryu/lib/packet/sctp.py b/ryu/lib/packet/sctp.py index 89b57a0d..6ecefd03 100644 --- a/ryu/lib/packet/sctp.py +++ b/ryu/lib/packet/sctp.py @@ -1319,8 +1319,6 @@ class cause_missing_param(cause): for one in types: assert isinstance(one, int) self.types = types - if 0 == num: - num = len(self.types) self.num = num @classmethod @@ -1339,6 +1337,9 @@ class cause_missing_param(cause): self._PACK_STR, self.cause_code(), self.length, self.num)) for one in self.types: buf.extend(struct.pack('!H', one)) + if 0 == self.num: + self.num = len(self.types) + struct.pack_into('!I', buf, 4, self.num) if 0 == self.length: self.length = len(buf) struct.pack_into('!H', buf, 2, self.length)