From 6c907e28407eca1ac6ef46cbe486d4c02def9a16 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Adamski?= <michal@ert.pl>
Date: Tue, 8 Dec 2020 12:04:49 +0100
Subject: [PATCH] smarter interval calculation

---
 main.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index 5ba49dd..6727667 100644
--- a/main.go
+++ b/main.go
@@ -58,8 +58,14 @@ func announce(c *gin.Context) {
 		PutPeer(c.Param("room"), req.InfoHash, req.IP, req.Port, req.IsSeeding())
 	}
 	peersv4, peersv6, numSeeders, numLeechers := GetPeers(c.Param("room"), req.InfoHash, req.Numwant, req.IsSeeding())
+	interval := 120
+	if numSeeders == 0 {
+		interval /= 2
+	} else if numLeechers == 0 {
+		interval *= 2
+	}
 	resp := AnnounceResponse{
-		Interval:   120,
+		Interval:   interval,
 		Complete:   numSeeders,
 		Incomplete: numLeechers,
 		Peers:      string(peersv4),