From d78b76ddb44d5f45a0c0bbfbcc2f014c0f0bac3a Mon Sep 17 00:00:00 2001
From: Brian Tiger Chow <brian.holderchow@gmail.com>
Date: Fri, 30 Jan 2015 23:06:11 -0800
Subject: [PATCH] log(bitswap) add bitswap loggable

---
 exchange/bitswap/bitswap.go         | 1 +
 exchange/bitswap/message/message.go | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/exchange/bitswap/bitswap.go b/exchange/bitswap/bitswap.go
index d3f935cfa..1117d7742 100644
--- a/exchange/bitswap/bitswap.go
+++ b/exchange/bitswap/bitswap.go
@@ -409,6 +409,7 @@ func (bs *bitswap) ReceiveError(err error) {
 // send strives to ensure that accounting is always performed when a message is
 // sent
 func (bs *bitswap) send(ctx context.Context, p peer.ID, m bsmsg.BitSwapMessage) error {
+	defer log.EventBegin(ctx, "sendMessage", p, m).Done()
 	if err := bs.network.SendMessage(ctx, p, m); err != nil {
 		return errors.Wrap(err)
 	}
diff --git a/exchange/bitswap/message/message.go b/exchange/bitswap/message/message.go
index 117758d9e..d02d82740 100644
--- a/exchange/bitswap/message/message.go
+++ b/exchange/bitswap/message/message.go
@@ -39,6 +39,8 @@ type BitSwapMessage interface {
 
 	AddBlock(*blocks.Block)
 	Exportable
+
+	Loggable() map[string]interface{}
 }
 
 type Exportable interface {
@@ -170,3 +172,9 @@ func (m *impl) ToNet(w io.Writer) error {
 	}
 	return nil
 }
+
+func (m *impl) Loggable() map[string]interface{} {
+	return map[string]interface{}{
+		"wantlist": m.wantlist,
+	}
+}