From 234dd76cd43b53d4b32490bd67f534951410fae1 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sat, 26 Oct 2013 20:02:48 +0900
Subject: [PATCH] DefaultPeerStorage: Add warn log when Peer::usedBy is non
 zero on checkoutPeer

---
 src/DefaultPeerStorage.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/DefaultPeerStorage.cc b/src/DefaultPeerStorage.cc
index 02be48db..0a3dcf9e 100644
--- a/src/DefaultPeerStorage.cc
+++ b/src/DefaultPeerStorage.cc
@@ -231,6 +231,11 @@ std::shared_ptr<Peer> DefaultPeerStorage::checkoutPeer(cuid_t cuid)
   }
   std::shared_ptr<Peer> peer = unusedPeers_.front();
   unusedPeers_.pop_front();
+  if(peer->usedBy() != 0) {
+    A2_LOG_WARN(fmt("CUID#%" PRId64 " is already set for peer %s:%u",
+                    peer->usedBy(),
+                    peer->getIPAddress().c_str(), peer->getOrigPort()));
+  }
   peer->usedBy(cuid);
   usedPeers_.insert(peer);
   A2_LOG_DEBUG(fmt("Checkout peer %s:%u to CUID#%" PRId64,