From 93d06b6015ae2f67b33082d2f935a00653cb881f Mon Sep 17 00:00:00 2001
From: phil <phil@secdev.org>
Date: Mon, 20 Mar 2017 13:31:14 +0100
Subject: [PATCH] Added new pipe: TriggeredSwitch
---
scapy/scapypipes.py | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/scapy/scapypipes.py b/scapy/scapypipes.py
index fcc1d772..4924b0cb 100644
--- a/scapy/scapypipes.py
+++ b/scapy/scapypipes.py
@@ -294,3 +294,24 @@ class TriggeredQueueingValve(Drain):
self._send(msg)
else:
self._high_send(msg)
+
+class TriggeredSwitch(Drain):
+ """Let messages alternatively high or low, changing on trigger
+ +------^------+
+ >>-|-\ | /-|->>
+ | [up/down] |
+ >-|-/ | \-|->
+ +------^------+
+"""
+ def __init__(self, start_state=True, name=None):
+ Drain.__init__(self, name=name)
+ self.low = start_state
+ def push(self, msg):
+ if self.low:
+ self._send(msg)
+ else:
+ self._high_send(msg)
+ high_push = push
+ def on_trigger(self, msg):
+ self.low ^= True
+ self._trigger(msg)
--
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