From f0f672777866a524c36e767a6c313f93f574dd8c Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Fri, 12 Dec 2014 11:58:39 +0100
Subject: [PATCH] p2p: use an error type for disconnect requests

Test-tastic.
---
 p2p/peer_error.go | 9 +++++++++
 p2p/protocol.go   | 3 +--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/p2p/peer_error.go b/p2p/peer_error.go
index 88b870fbdf..0eb7ec838d 100644
--- a/p2p/peer_error.go
+++ b/p2p/peer_error.go
@@ -100,7 +100,16 @@ func (d DiscReason) String() string {
 	return discReasonToString[d]
 }
 
+type discRequestedError DiscReason
+
+func (err discRequestedError) Error() string {
+	return fmt.Sprintf("disconnect requested: %v", DiscReason(err))
+}
+
 func discReasonForError(err error) DiscReason {
+	if reason, ok := err.(discRequestedError); ok {
+		return DiscReason(reason)
+	}
 	peerError, ok := err.(*peerError)
 	if !ok {
 		return DiscSubprotocolError
diff --git a/p2p/protocol.go b/p2p/protocol.go
index 5af586f130..3f52205f59 100644
--- a/p2p/protocol.go
+++ b/p2p/protocol.go
@@ -158,8 +158,7 @@ func (bp *baseProtocol) handle(rw MsgReadWriter) error {
 		if err := msg.Decode(&reason); err != nil {
 			return err
 		}
-		bp.peer.Disconnect(reason[0])
-		return nil
+		return discRequestedError(reason[0])
 
 	case pingMsg:
 		return bp.rw.EncodeMsg(pongMsg)