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Merge pull request #669 from zcalusic/master

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Fix REST backend HTTP keepalive
This commit is contained in:
Alexander Neumann 2016-11-10 21:05:14 +01:00
commit b1ed74eb43
1 changed files with 14 additions and 2 deletions
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16
src/restic/backend/rest/rest.go
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@ -5,6 +5,7 @@ import (
"encoding/json" "encoding/json"
"fmt" "fmt"
"io" "io"
"io/ioutil"
"net/http" "net/http"
"net/url" "net/url"
"path" "path"
@ -59,7 +60,7 @@ func Open(cfg Config) (restic.Backend, error) {
for i := 0; i < connLimit; i++ { for i := 0; i < connLimit; i++ {
connChan <- struct{}{} connChan <- struct{}{}
} }
tr := &http.Transport{} tr := &http.Transport{MaxIdleConnsPerHost: connLimit}
client := http.Client{Transport: tr} client := http.Client{Transport: tr}
return &restBackend{url: cfg.URL, connChan: connChan, client: client}, nil return &restBackend{url: cfg.URL, connChan: connChan, client: client}, nil
@ -102,6 +103,7 @@ func (b *restBackend) Load(h restic.Handle, p []byte, off int64) (n int, err err
if resp != nil { if resp != nil {
defer func() { defer func() {
io.Copy(ioutil.Discard, resp.Body)
e := resp.Body.Close() e := resp.Body.Close()
if err == nil { if err == nil {
@ -132,6 +134,7 @@ func (b *restBackend) Save(h restic.Handle, p []byte) (err error) {
if resp != nil { if resp != nil {
defer func() { defer func() {
io.Copy(ioutil.Discard, resp.Body)
e := resp.Body.Close() e := resp.Body.Close()
if err == nil { if err == nil {
@ -164,6 +167,7 @@ func (b *restBackend) Stat(h restic.Handle) (restic.FileInfo, error) {
return restic.FileInfo{}, errors.Wrap(err, "client.Head") return restic.FileInfo{}, errors.Wrap(err, "client.Head")
} }
io.Copy(ioutil.Discard, resp.Body)
if err = resp.Body.Close(); err != nil { if err = resp.Body.Close(); err != nil {
return restic.FileInfo{}, errors.Wrap(err, "Close") return restic.FileInfo{}, errors.Wrap(err, "Close")
} }
@ -216,6 +220,7 @@ func (b *restBackend) Remove(t restic.FileType, name string) error {
return errors.New("blob not removed") return errors.New("blob not removed")
} }
io.Copy(ioutil.Discard, resp.Body)
return resp.Body.Close() return resp.Body.Close()
} }
@ -235,7 +240,14 @@ func (b *restBackend) List(t restic.FileType, done <-chan struct{}) <-chan strin
b.connChan <- struct{}{} b.connChan <- struct{}{}
if resp != nil { if resp != nil {
defer resp.Body.Close() defer func() {
io.Copy(ioutil.Discard, resp.Body)
e := resp.Body.Close()
if err == nil {
err = errors.Wrap(e, "Close")
}
}()
} }
if err != nil { if err != nil {