Re: [quicwg/base-drafts] Add OnPacketReceived to pseudocode (#3653)

Jana Iyengar <notifications@github.com> Thu, 14 May 2020 03:00 UTC

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Date: Wed, 13 May 2020 20:00:41 -0700
From: Jana Iyengar <notifications@github.com>
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Subject: Re: [quicwg/base-drafts] Add OnPacketReceived to pseudocode (#3653)
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@janaiyengar commented on this pull request.



> @@ -1142,6 +1142,21 @@ Pseudocode for OnPacketSent follows:
      SetLossDetectionTimer()
 ~~~
 
+## On Receiving a Packet
+
+When a packet is received, it may allow the server to send
+if the server was previously amplification limited.
+
+Psuedocode for OnPacketReceived follows:
+
+~~~
+OnPacketReceived(packet):
+  // If this packet unblocks the server, arm the
+  // timer to ensure forward progress resumes
+  if (server was at anti-amplification limit):
+    SetLossDetectionTimer()
+  DecryptAndProcessFrames()

Yeah, I think this should be in the comments above.

> @@ -1142,6 +1142,21 @@ Pseudocode for OnPacketSent follows:
      SetLossDetectionTimer()
 ~~~
 
+## On Receiving a Packet
+
+When a packet is received, it may allow the server to send
+if the server was previously amplification limited.
+
+Psuedocode for OnPacketReceived follows:
+
+~~~
+OnPacketReceived(packet):
+  // If this packet unblocks the server, arm the
+  // timer to ensure forward progress resumes

```suggestion
  // PTO timer to avoid deadlock.
```

> @@ -1142,6 +1142,21 @@ Pseudocode for OnPacketSent follows:
      SetLossDetectionTimer()
 ~~~
 
+## On Receiving a Packet
+
+When a packet is received, it may allow the server to send
+if the server was previously amplification limited.
+
+Psuedocode for OnPacketReceived follows:
+
+~~~
+OnPacketReceived(packet):

+1. You don't need to process packets  in here, just say up above that this function is called even if the received packet is undecryptable.

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