From: Matt Joiner <anacrolix@gmail.com>
Date: Fri, 19 May 2023 04:09:27 +0000 (+1000)
Subject: Don't panic if changing interest fills the write buffer
X-Git-Url: http://www.git.stargrave.org/?p=btrtrc.git;a=commitdiff_plain;h=8ac9ea890eae7cff0705059dbfdf2a2e4f315cbc

Don't panic if changing interest fills the write buffer

This was the old behaviour, years ago. I don't know why it's suddenly being triggered lately.
---

diff --git a/requesting.go b/requesting.go
index 7fbfccfb..f9b5424f 100644
--- a/requesting.go
+++ b/requesting.go
@@ -272,7 +272,7 @@ func (p *Peer) maybeUpdateActualRequestState() {
 func (p *Peer) applyRequestState(next desiredRequestState) {
 	current := &p.requestState
 	if !p.setInterested(next.Interested) {
-		panic("insufficient write buffer")
+		return
 	}
 	more := true
 	requestHeap := binheap.FromSlice(next.Requests.requestIndexes, next.Requests.lessByValue)