go fmt for all source codes

weed-fs/src/cmd/weed/command.go

@@ -24,7 +24,6 @@ type Command struct {
 
 	// Flag is a set of flags specific to this command.
 	Flag flag.FlagSet
-
 }
 
 // Name returns the command's name: the first word in the usage line.

weed-fs/src/cmd/weed/shell.go

@@ -2,8 +2,8 @@ package main
 
 import (
 	"bufio"
-  "os"
 	"fmt"
+	"os"
 )
 
 func init() {
@@ -18,8 +18,7 @@ var cmdShell = &Command{
   `,
 }
 
-var (
-)
+var ()
 
 func runShell(command *Command, args []string) bool {
 	r := bufio.NewReader(os.Stdin)
@@ -28,11 +27,11 @@ func runShell(command *Command, args []string) bool {
 	prompt := func() {
 		o.WriteString("> ")
 		o.Flush()
-  };
+	}
 	readLine := func() string {
 		ret, err := r.ReadString('\n')
 		if err != nil {
-       fmt.Fprint(e,err); 
+			fmt.Fprint(e, err)
 			os.Exit(1)
 		}
 		return ret

weed-fs/src/cmd/weed/volume.go

@@ -156,7 +156,9 @@ func GetHandler(w http.ResponseWriter, r *http.Request) {
 			if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
 				w.Header().Set("Content-Encoding", "gzip")
 			} else {
-				n.Data = storage.UnGzipData(n.Data)
+				if n.Data, err = storage.UnGzipData(n.Data); err != nil {
+					debug("lookup error:", err, r.URL.Path)
+				}
 			}
 		}
 	}

weed-fs/src/pkg/directory/file_id.go

@@ -3,8 +3,8 @@ package directory
 import (
 	"encoding/hex"
 	"pkg/storage"
-	"strings"
 	"pkg/util"
+	"strings"
 )
 
 type FileId struct {

weed-fs/src/pkg/operation/delete_content.go

@@ -1,8 +1,8 @@
 package operation
 
 import (
-	"net/http"
 	"log"
+	"net/http"
 )
 
 func Delete(url string) error {

weed-fs/src/pkg/operation/lookup_volume_id.go

@@ -2,11 +2,11 @@ package operation
 
 import (
 	"encoding/json"
+	"errors"
+	_ "fmt"
 	"net/url"
 	"pkg/storage"
 	"pkg/util"
-  _ "fmt"
-  "errors"
 )
 
 type Location struct {

weed-fs/src/pkg/operation/upload_content.go

@@ -3,13 +3,13 @@ package operation
 import (
 	"bytes"
 	"encoding/json"
+	"errors"
 	_ "fmt"
 	"io"
 	"io/ioutil"
 	"log"
 	"mime/multipart"
 	"net/http"
-	"errors"
 )
 
 type UploadResult struct {

weed-fs/src/pkg/replication/volume_growth_test.go

@@ -127,4 +127,3 @@ func TestReserveOneVolume(t *testing.T) {
 		t.Log("reserved", c)
 	}
 }
-

weed-fs/src/pkg/sequence/sequence.go

@@ -2,10 +2,10 @@ package sequence
 
 import (
 	"encoding/gob"
+	"log"
 	"os"
 	"path"
 	"sync"
-	"log"
 )
 
 const (

weed-fs/src/pkg/storage/compact_map_perf_test.go

@@ -1,10 +1,10 @@
 package storage
 
 import (
-	"testing"
 	"log"
 	"os"
 	"pkg/util"
+	"testing"
 )
 
 func TestMemoryUsage(t *testing.T) {

weed-fs/src/pkg/storage/compress.go

@@ -15,25 +15,10 @@ func IsGzippable(ext, mtype string) bool {
 	if strings.HasPrefix(mtype, "text/") {
 		return true
 	}
-	if ext == ".zip" {
+	switch ext {
+	case ".zip", ".rar", ".gz", ".bz2", ".xz":
 		return false
-	}
-	if ext == ".rar" {
-		return false
-	}
-	if ext == ".gz" {
-		return false
-	}
-	if ext == ".pdf" {
-		return true
-	}
-	if ext == ".css" {
-		return true
-	}
-	if ext == ".js" {
-		return true
-	}
-    if ext == ".json" {
+	case ".pdf", ".txt", ".html", ".css", ".js", ".json":
 		return true
 	}
 	if strings.HasPrefix(mtype, "application/") {
@@ -46,18 +31,21 @@ func IsGzippable(ext, mtype string) bool {
 	}
 	return false
 }
-func GzipData(input []byte) []byte {
+
+func GzipData(input []byte) ([]byte, error) {
 	buf := new(bytes.Buffer)
 	w, _ := gzip.NewWriterLevel(buf, flate.BestCompression)
 	if _, err := w.Write(input); err != nil {
 		println("error compressing data:", err)
+		return nil, err
 	}
 	if err := w.Close(); err != nil {
 		println("error closing compressed data:", err)
+		return nil, err
 	}
-	return buf.Bytes()
+	return buf.Bytes(), nil
 }
-func UnGzipData(input []byte) []byte {
+func UnGzipData(input []byte) ([]byte, error) {
 	buf := bytes.NewBuffer(input)
 	r, _ := gzip.NewReader(buf)
 	defer r.Close()
@@ -65,5 +53,5 @@ func UnGzipData(input []byte) []byte {
 	if err != nil {
 		println("error uncompressing data:", err)
 	}
-	return output
+	return output, err
 }

weed-fs/src/pkg/storage/needle.go

@@ -64,7 +64,9 @@ func NewNeedle(r *http.Request) (n *Needle, fname string, e error) {
 		mtype = contentType
 	}
 	if IsGzippable(ext, mtype) {
-		data = GzipData(data)
+		if data, e = GzipData(data); e != nil {
+			return
+		}
 		n.SetGzipped()
 	}
 	if ext == ".gz" {

weed-fs/src/pkg/storage/store.go

@@ -65,13 +65,13 @@ func (s *Store) AddVolume(volumeListString string, replicationType string) error
 	}
 	return e
 }
-func (s *Store) addVolume(vid VolumeId, replicationType ReplicationType) error {
+func (s *Store) addVolume(vid VolumeId, replicationType ReplicationType) (err error) {
 	if s.volumes[vid] != nil {
 		return errors.New("Volume Id " + vid.String() + " already exists!")
 	}
 	log.Println("In dir", s.dir, "adds volume =", vid, ", replicationType =", replicationType)
-	s.volumes[vid] = NewVolume(s.dir, vid, replicationType)
-	return nil
+	s.volumes[vid], err = NewVolume(s.dir, vid, replicationType)
+	return err
 }
 
 func (s *Store) CheckCompactVolume(volumeIdString string, garbageThresholdString string) (error, bool) {
@@ -107,7 +107,7 @@ func (s *Store) loadExistingVolumes() {
 				base := name[:len(name)-len(".dat")]
 				if vid, err := NewVolumeId(base); err == nil {
 					if s.volumes[vid] == nil {
-						v := NewVolume(s.dir, vid, CopyNil)
+						if v, e := NewVolume(s.dir, vid, CopyNil); e == nil {
 							s.volumes[vid] = v
 							log.Println("In dir", s.dir, "read volume =", vid, "replicationType =", v.replicaType, "version =", v.version, "size =", v.Size())
 						}
@@ -116,6 +116,7 @@ func (s *Store) loadExistingVolumes() {
 			}
 		}
 	}
+}
 func (s *Store) Status() []*VolumeInfo {
 	var stats []*VolumeInfo
 	for k, v := range s.volumes {

weed-fs/src/pkg/storage/volume.go

@@ -24,9 +24,9 @@ type Volume struct {
 	accessLock sync.Mutex
 }
 
-func NewVolume(dirname string, id VolumeId, replicationType ReplicationType) (v *Volume) {
+func NewVolume(dirname string, id VolumeId, replicationType ReplicationType) (v *Volume, e error) {
 	v = &Volume{dir: dirname, Id: id, replicaType: replicationType}
-	v.load()
+	e = v.load()
 	return
 }
 func (v *Volume) load() error {
@@ -79,21 +79,19 @@ func (v *Volume) maybeWriteSuperBlock() {
 		v.dataFile.Write(header)
 	}
 }
-func (v *Volume) readSuperBlock() error {
+func (v *Volume) readSuperBlock() (err error) {
 	v.dataFile.Seek(0, 0)
 	header := make([]byte, SuperBlockSize)
 	if _, e := v.dataFile.Read(header); e != nil {
 		return fmt.Errorf("cannot read superblock: %s", e)
 	}
-	var err error
 	v.version, v.replicaType, err = ParseSuperBlock(header)
 	return err
 }
-func ParseSuperBlock(header []byte) (version Version, replicaType ReplicationType, e error) {
+func ParseSuperBlock(header []byte) (version Version, replicaType ReplicationType, err error) {
 	version = Version(header[0])
-	var err error
 	if replicaType, err = NewReplicationTypeFromByte(header[1]); err != nil {
-		e = fmt.Errorf("cannot read replica type: %s", err)
+		err = fmt.Errorf("cannot read replica type: %s", err)
 	}
 	return
 }

weed-fs/src/pkg/storage/volume_id.go

@@ -5,6 +5,7 @@ import (
 )
 
 type VolumeId uint32
+
 func NewVolumeId(vid string) (VolumeId, error) {
 	volumeId, err := strconv.ParseUint(vid, 10, 64)
 	return VolumeId(volumeId), err

weed-fs/src/pkg/storage/volume_version.go

@@ -1,7 +1,6 @@
 package storage
 
-import (
-)
+import ()
 
 type Version uint8
 

weed-fs/src/pkg/topology/data_center.go

@@ -1,7 +1,6 @@
 package topology
 
-import (
-)
+import ()
 
 type DataCenter struct {
 	NodeImpl

weed-fs/src/pkg/topology/node_list_test.go

@@ -1,9 +1,9 @@
 package topology
 
 import (
+	_ "fmt"
 	"strconv"
 	"testing"
-  _ "fmt"
 )
 
 func TestXYZ(t *testing.T) {

weed-fs/src/pkg/topology/topology_map.go

@@ -1,7 +1,6 @@
 package topology
 
-import (
-)
+import ()
 
 func (t *Topology) ToMap() interface{} {
 	m := make(map[string]interface{})

weed-fs/src/pkg/util/bytes.go

@@ -31,4 +31,3 @@ func Uint32toBytes(b []byte, v uint32){
 func Uint8toBytes(b []byte, v uint8) {
 	b[0] = byte(v)
 }
-