From 37be78705db7aff3bbdd502f2af3a0073f590351 Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Wed, 11 Apr 2018 14:04:36 +0100
Subject: [PATCH] fs/fshttp: limit MaxIdleConns and MaxIdleConnsPerHost

Before this change mega (which uses a different host per download)
would open too many sockets.
---
 fs/fshttp/http.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/fshttp/http.go b/fs/fshttp/http.go
index 9566d58f8..642acbc1e 100644
--- a/fs/fshttp/http.go
+++ b/fs/fshttp/http.go
@@ -126,7 +126,8 @@ func NewTransport(ci *fs.ConfigInfo) http.RoundTripper {
 		t := new(http.Transport)
 		setDefaults(t, http.DefaultTransport.(*http.Transport))
 		t.Proxy = http.ProxyFromEnvironment
-		t.MaxIdleConnsPerHost = 4 * (ci.Checkers + ci.Transfers + 1)
+		t.MaxIdleConnsPerHost = 2 * (ci.Checkers + ci.Transfers + 1)
+		t.MaxIdleConns = 2 * t.MaxIdleConnsPerHost
 		t.TLSHandshakeTimeout = ci.ConnectTimeout
 		t.ResponseHeaderTimeout = ci.Timeout
 		t.TLSClientConfig = &tls.Config{InsecureSkipVerify: ci.InsecureSkipVerify}