From 36f221dbe7e66568fc3f1680208b73e4ea20c4ef Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Fri, 31 Jan 2014 01:12:48 +0100
Subject: [PATCH] Don't connect to peers that are already connected
---
ethereum.go | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/ethereum.go b/ethereum.go
index 98316cf04..dd6256f4b 100644
--- a/ethereum.go
+++ b/ethereum.go
@@ -90,6 +90,22 @@ func (s *Ethereum) ProcessPeerList(addrs []string) {
}
func (s *Ethereum) ConnectToPeer(addr string) error {
+ var alreadyConnected bool
+
+ eachPeer(s.peers, func(p *Peer, v *list.Element) {
+ phost, _, _ := net.SplitHostPort(p.conn.RemoteAddr().String())
+ ahost, _, _ := net.SplitHostPort(addr)
+
+ if phost == ahost {
+ alreadyConnected = true
+ return
+ }
+ })
+
+ if alreadyConnected {
+ return nil
+ }
+
peer := NewOutboundPeer(addr, s)
s.peers.PushBack(peer)
--
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