From 538e5878a1fee30a24fe2e1586af3aca4d98c813 Mon Sep 17 00:00:00 2001
From: Alexander Neumann <alexander@bumpern.de>
Date: Sun, 22 Nov 2015 16:30:13 +0100
Subject: [PATCH] add debug logging to MemoryBackend

---
 backend/mem_backend.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/backend/mem_backend.go b/backend/mem_backend.go
index 213ddb68f..e6b51cf8c 100644
--- a/backend/mem_backend.go
+++ b/backend/mem_backend.go
@@ -6,6 +6,8 @@ import (
 	"io"
 	"sort"
 	"sync"
+
+	"github.com/restic/restic/debug"
 )
 
 type entry struct {
@@ -55,6 +57,8 @@ func NewMemoryBackend() *MemoryBackend {
 		return memList(be, t, done)
 	}
 
+	debug.Log("MemoryBackend.New", "created new memory backend")
+
 	return be
 }
 
@@ -74,6 +78,8 @@ func memTest(be *MemoryBackend, t Type, name string) (bool, error) {
 	be.m.Lock()
 	defer be.m.Unlock()
 
+	debug.Log("MemoryBackend.Test", "test %v %v", t, name)
+
 	if _, ok := be.data[entry{t, name}]; ok {
 		return true, nil
 	}
@@ -117,6 +123,8 @@ func memGet(be *MemoryBackend, t Type, name string) (io.ReadCloser, error) {
 	be.m.Lock()
 	defer be.m.Unlock()
 
+	debug.Log("MemoryBackend.Get", "get %v %v", t, name)
+
 	if _, ok := be.data[entry{t, name}]; !ok {
 		return nil, errors.New("no such data")
 	}
@@ -128,6 +136,8 @@ func memGetReader(be *MemoryBackend, t Type, name string, offset, length uint) (
 	be.m.Lock()
 	defer be.m.Unlock()
 
+	debug.Log("MemoryBackend.GetReader", "get %v %v", t, name)
+
 	if _, ok := be.data[entry{t, name}]; !ok {
 		return nil, errors.New("no such data")
 	}
@@ -152,6 +162,8 @@ func memRemove(be *MemoryBackend, t Type, name string) error {
 	be.m.Lock()
 	defer be.m.Unlock()
 
+	debug.Log("MemoryBackend.Remove", "get %v %v", t, name)
+
 	if _, ok := be.data[entry{t, name}]; !ok {
 		return errors.New("no such data")
 	}
@@ -177,6 +189,8 @@ func memList(be *MemoryBackend, t Type, done <-chan struct{}) <-chan string {
 
 	sort.Strings(ids)
 
+	debug.Log("MemoryBackend.List", "list %v: %v", t, ids)
+
 	go func() {
 		defer close(ch)
 		for _, id := range ids {