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add If-None-Match and If-Modified-Since

Browse source 
fix https://github.com/chrislusf/seaweedfs/issues/1269
This commit is contained in:
Chris Lu 2020-04-08 08:12:00 -07:00
parent 2d7d4b1006
commit ec2eb8bc48
12 changed files with 193 additions and 135 deletions
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1
other/java/client/src/main/proto/filer.proto
View file

@ -123,6 +123,7 @@ message FuseAttributes {
string user_name = 11; // for hdfs string user_name = 11; // for hdfs
repeated string group_name = 12; // for hdfs repeated string group_name = 12; // for hdfs
string symlink_target = 13; string symlink_target = 13;
bytes md5 = 14;
} }
message CreateEntryRequest { message CreateEntryRequest {

1
weed/filer2/entry.go
View file

@ -21,6 +21,7 @@ type Attr struct {
UserName string UserName string
GroupNames []string GroupNames []string
SymlinkTarget string SymlinkTarget string
Md5 []byte
} }
func (attr Attr) IsDirectory() bool { func (attr Attr) IsDirectory() bool {

6
weed/filer2/entry_codec.go
View file

@ -52,6 +52,7 @@ func EntryAttributeToPb(entry *Entry) *filer_pb.FuseAttributes {
UserName: entry.Attr.UserName, UserName: entry.Attr.UserName,
GroupName: entry.Attr.GroupNames, GroupName: entry.Attr.GroupNames,
SymlinkTarget: entry.Attr.SymlinkTarget, SymlinkTarget: entry.Attr.SymlinkTarget,
Md5: entry.Attr.Md5,
} }
} }
@ -71,6 +72,7 @@ func PbToEntryAttribute(attr *filer_pb.FuseAttributes) Attr {
t.UserName = attr.UserName t.UserName = attr.UserName
t.GroupNames = attr.GroupName t.GroupNames = attr.GroupName
t.SymlinkTarget = attr.SymlinkTarget t.SymlinkTarget = attr.SymlinkTarget
t.Md5 = attr.Md5
return t return t
} }
@ -93,6 +95,10 @@ func EqualEntry(a, b *Entry) bool {
return false return false
} }
if !bytes.Equal(a.Md5, b.Md5) {
return false
}
for i := 0; i < len(a.Chunks); i++ { for i := 0; i < len(a.Chunks); i++ {
if !proto.Equal(a.Chunks[i], b.Chunks[i]) { if !proto.Equal(a.Chunks[i], b.Chunks[i]) {
return false return false

16
weed/filer2/filechunks.go
View file

@ -20,7 +20,21 @@ func TotalSize(chunks []*filer_pb.FileChunk) (size uint64) {
return return
} }
func ETag(chunks []*filer_pb.FileChunk) (etag string) { func ETag(entry *filer_pb.Entry) (etag string) {
if entry.Attributes == nil || entry.Attributes.Md5 == nil {
ETagChunks(entry.Chunks)
}
return fmt.Sprintf("%x", entry.Attributes.Md5)
}
func ETagEntry(entry *Entry) (etag string) {
if entry.Attr.Md5 == nil {
ETagChunks(entry.Chunks)
}
return fmt.Sprintf("%x", entry.Attr.Md5)
}
func ETagChunks(chunks []*filer_pb.FileChunk) (etag string) {
if len(chunks) == 1 { if len(chunks) == 1 {
return chunks[0].ETag return chunks[0].ETag
} }

1
weed/pb/filer.proto
View file

@ -123,6 +123,7 @@ message FuseAttributes {
string user_name = 11; // for hdfs string user_name = 11; // for hdfs
repeated string group_name = 12; // for hdfs repeated string group_name = 12; // for hdfs
string symlink_target = 13; string symlink_target = 13;
bytes md5 = 14;
} }
message CreateEntryRequest { message CreateEntryRequest {

246
weed/pb/filer_pb/filer.pb.go
View file

@ -415,6 +415,7 @@ type FuseAttributes struct {
UserName string `protobuf:"bytes,11,opt,name=user_name,json=userName" json:"user_name,omitempty"` UserName string `protobuf:"bytes,11,opt,name=user_name,json=userName" json:"user_name,omitempty"`
GroupName []string `protobuf:"bytes,12,rep,name=group_name,json=groupName" json:"group_name,omitempty"` GroupName []string `protobuf:"bytes,12,rep,name=group_name,json=groupName" json:"group_name,omitempty"`
SymlinkTarget string `protobuf:"bytes,13,opt,name=symlink_target,json=symlinkTarget" json:"symlink_target,omitempty"` SymlinkTarget string `protobuf:"bytes,13,opt,name=symlink_target,json=symlinkTarget" json:"symlink_target,omitempty"`
Md5 []byte `protobuf:"bytes,14,opt,name=md5,proto3" json:"md5,omitempty"`
} }
func (m *FuseAttributes) Reset() { *m = FuseAttributes{} } func (m *FuseAttributes) Reset() { *m = FuseAttributes{} }
@ -513,6 +514,13 @@ func (m *FuseAttributes) GetSymlinkTarget() string {
return "" return ""
} }
func (m *FuseAttributes) GetMd5() []byte {
if m != nil {
return m.Md5
}
return nil
}
type CreateEntryRequest struct { type CreateEntryRequest struct {
Directory string `protobuf:"bytes,1,opt,name=directory" json:"directory,omitempty"` Directory string `protobuf:"bytes,1,opt,name=directory" json:"directory,omitempty"`
Entry *Entry `protobuf:"bytes,2,opt,name=entry" json:"entry,omitempty"` Entry *Entry `protobuf:"bytes,2,opt,name=entry" json:"entry,omitempty"`
@ -1707,125 +1715,125 @@ var _SeaweedFiler_serviceDesc = grpc.ServiceDesc{
func init() { proto.RegisterFile("filer.proto", fileDescriptor0) } func init() { proto.RegisterFile("filer.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{ var fileDescriptor0 = []byte{
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} }

4
weed/replication/sink/filersink/filer_sink.go
View file

@ -90,7 +90,7 @@ func (fs *FilerSink) CreateEntry(key string, entry *filer_pb.Entry) error {
} }
glog.V(1).Infof("lookup: %v", lookupRequest) glog.V(1).Infof("lookup: %v", lookupRequest)
if resp, err := filer_pb.LookupEntry(client, lookupRequest); err == nil { if resp, err := filer_pb.LookupEntry(client, lookupRequest); err == nil {
if filer2.ETag(resp.Entry.Chunks) == filer2.ETag(entry.Chunks) { if filer2.ETag(resp.Entry) == filer2.ETag(entry) {
glog.V(0).Infof("already replicated %s", key) glog.V(0).Infof("already replicated %s", key)
return nil return nil
} }
@ -160,7 +160,7 @@ func (fs *FilerSink) UpdateEntry(key string, oldEntry *filer_pb.Entry, newParent
// skip if already changed // skip if already changed
// this usually happens when the messages are not ordered // this usually happens when the messages are not ordered
glog.V(0).Infof("late updates %s", key) glog.V(0).Infof("late updates %s", key)
} else if filer2.ETag(newEntry.Chunks) == filer2.ETag(existingEntry.Chunks) { } else if filer2.ETag(newEntry) == filer2.ETag(existingEntry) {
// skip if no change // skip if no change
// this usually happens when retrying the replication // this usually happens when retrying the replication
glog.V(0).Infof("already replicated %s", key) glog.V(0).Infof("already replicated %s", key)

4
weed/s3api/filer_multipart.go
View file

@ -107,7 +107,7 @@ func (s3a *S3ApiServer) completeMultipartUpload(input *s3.CompleteMultipartUploa
CompleteMultipartUploadOutput: s3.CompleteMultipartUploadOutput{ CompleteMultipartUploadOutput: s3.CompleteMultipartUploadOutput{
Location: aws.String(fmt.Sprintf("http://%s%s/%s", s3a.option.Filer, dirName, entryName)), Location: aws.String(fmt.Sprintf("http://%s%s/%s", s3a.option.Filer, dirName, entryName)),
Bucket: input.Bucket, Bucket: input.Bucket,
ETag: aws.String("\"" + filer2.ETag(finalParts) + "\""), ETag: aws.String("\"" + filer2.ETagChunks(finalParts) + "\""),
Key: objectKey(input.Key), Key: objectKey(input.Key),
}, },
} }
@ -208,7 +208,7 @@ func (s3a *S3ApiServer) listObjectParts(input *s3.ListPartsInput) (output *ListP
PartNumber: aws.Int64(int64(partNumber)), PartNumber: aws.Int64(int64(partNumber)),
LastModified: aws.Time(time.Unix(entry.Attributes.Mtime, 0)), LastModified: aws.Time(time.Unix(entry.Attributes.Mtime, 0)),
Size: aws.Int64(int64(filer2.TotalSize(entry.Chunks))), Size: aws.Int64(int64(filer2.TotalSize(entry.Chunks))),
ETag: aws.String("\"" + filer2.ETag(entry.Chunks) + "\""), ETag: aws.String("\"" + filer2.ETag(entry) + "\""),
}) })
} }
} }

2
weed/s3api/s3api_objects_list_handlers.go
View file

@ -139,7 +139,7 @@ func (s3a *S3ApiServer) listFilerEntries(bucket, originalPrefix string, maxKeys
contents = append(contents, ListEntry{ contents = append(contents, ListEntry{
Key: fmt.Sprintf("%s%s", dir, entry.Name), Key: fmt.Sprintf("%s%s", dir, entry.Name),
LastModified: time.Unix(entry.Attributes.Mtime, 0), LastModified: time.Unix(entry.Attributes.Mtime, 0),
ETag: "\"" + filer2.ETag(entry.Chunks) + "\"", ETag: "\"" + filer2.ETag(entry) + "\"",
Size: int64(filer2.TotalSize(entry.Chunks)), Size: int64(filer2.TotalSize(entry.Chunks)),
Owner: CanonicalUser{ Owner: CanonicalUser{
ID: fmt.Sprintf("%x", entry.Attributes.Uid), ID: fmt.Sprintf("%x", entry.Attributes.Uid),

21
weed/server/filer_server_handlers_read.go
View file

@ -8,6 +8,7 @@ import (
"path/filepath" "path/filepath"
"strconv" "strconv"
"strings" "strings"
"time"
"github.com/chrislusf/seaweedfs/weed/filer2" "github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/glog"
@ -78,8 +79,26 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request,
w.Header().Set("Content-Type", mimeType) w.Header().Set("Content-Type", mimeType)
} }
// if modified since
if !entry.Attr.Mtime.IsZero() {
w.Header().Set("Last-Modified", entry.Attr.Mtime.UTC().Format(http.TimeFormat))
if r.Header.Get("If-Modified-Since") != "" {
if t, parseError := time.Parse(http.TimeFormat, r.Header.Get("If-Modified-Since")); parseError == nil {
if t.After(entry.Attr.Mtime) {
w.WriteHeader(http.StatusNotModified)
return
}
}
}
}
// set etag // set etag
setEtag(w, filer2.ETag(entry.Chunks)) etag := filer2.ETagEntry(entry)
if inm := r.Header.Get("If-None-Match"); inm == "\""+etag+"\"" {
w.WriteHeader(http.StatusNotModified)
return
}
setEtag(w, etag)
if r.Method == "HEAD" { if r.Method == "HEAD" {
w.Header().Set("Content-Length", strconv.FormatInt(int64(filer2.TotalSize(entry.Chunks)), 10)) w.Header().Set("Content-Length", strconv.FormatInt(int64(filer2.TotalSize(entry.Chunks)), 10))

18
weed/server/filer_server_handlers_write.go
View file

@ -122,12 +122,12 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) {
glog.V(4).Infof("write %s to %v", r.URL.Path, urlLocation) glog.V(4).Infof("write %s to %v", r.URL.Path, urlLocation)
u, _ := url.Parse(urlLocation) u, _ := url.Parse(urlLocation)
ret, err := fs.uploadToVolumeServer(r, u, auth, w, fileId) ret, md5value, err := fs.uploadToVolumeServer(r, u, auth, w, fileId)
if err != nil { if err != nil {
return return
} }
if err = fs.updateFilerStore(ctx, r, w, replication, collection, ret, fileId, ttlSeconds); err != nil { if err = fs.updateFilerStore(ctx, r, w, replication, collection, ret, md5value, fileId, ttlSeconds); err != nil {
return return
} }
@ -144,8 +144,8 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) {
} }
// update metadata in filer store // update metadata in filer store
func (fs *FilerServer) updateFilerStore(ctx context.Context, r *http.Request, w http.ResponseWriter, func (fs *FilerServer) updateFilerStore(ctx context.Context, r *http.Request, w http.ResponseWriter, replication string,
replication string, collection string, ret *operation.UploadResult, fileId string, ttlSeconds int32) (err error) { collection string, ret *operation.UploadResult, md5value []byte, fileId string, ttlSeconds int32) (err error) {
stats.FilerRequestCounter.WithLabelValues("postStoreWrite").Inc() stats.FilerRequestCounter.WithLabelValues("postStoreWrite").Inc()
start := time.Now() start := time.Now()
@ -186,6 +186,7 @@ func (fs *FilerServer) updateFilerStore(ctx context.Context, r *http.Request, w
Collection: collection, Collection: collection,
TtlSec: ttlSeconds, TtlSec: ttlSeconds,
Mime: ret.Mime, Mime: ret.Mime,
Md5: md5value,
}, },
Chunks: []*filer_pb.FileChunk{{ Chunks: []*filer_pb.FileChunk{{
FileId: fileId, FileId: fileId,
@ -212,15 +213,15 @@ func (fs *FilerServer) updateFilerStore(ctx context.Context, r *http.Request, w
} }
// send request to volume server // send request to volume server
func (fs *FilerServer) uploadToVolumeServer(r *http.Request, u *url.URL, auth security.EncodedJwt, w http.ResponseWriter, fileId string) (ret *operation.UploadResult, err error) { func (fs *FilerServer) uploadToVolumeServer(r *http.Request, u *url.URL, auth security.EncodedJwt, w http.ResponseWriter, fileId string) (ret *operation.UploadResult, md5value []byte, err error) {
stats.FilerRequestCounter.WithLabelValues("postUpload").Inc() stats.FilerRequestCounter.WithLabelValues("postUpload").Inc()
start := time.Now() start := time.Now()
defer func() { stats.FilerRequestHistogram.WithLabelValues("postUpload").Observe(time.Since(start).Seconds()) }() defer func() { stats.FilerRequestHistogram.WithLabelValues("postUpload").Observe(time.Since(start).Seconds()) }()
ret = &operation.UploadResult{} ret = &operation.UploadResult{}
hash := md5.New() md5Hash := md5.New()
var body = ioutil.NopCloser(io.TeeReader(r.Body, hash)) var body = ioutil.NopCloser(io.TeeReader(r.Body, md5Hash))
request := &http.Request{ request := &http.Request{
Method: r.Method, Method: r.Method,
@ -285,7 +286,8 @@ func (fs *FilerServer) uploadToVolumeServer(r *http.Request, u *url.URL, auth se
} }
} }
// use filer calculated md5 ETag, instead of the volume server crc ETag // use filer calculated md5 ETag, instead of the volume server crc ETag
ret.ETag = fmt.Sprintf("%x", hash.Sum(nil)) md5value = md5Hash.Sum(nil)
ret.ETag = fmt.Sprintf("%x", md5value)
return return
} }

8
weed/server/filer_server_handlers_write_autochunk.go
View file

@ -2,7 +2,9 @@ package weed_server
import ( import (
"context" "context"
"crypto/md5"
"io" "io"
"io/ioutil"
"net/http" "net/http"
"path" "path"
"strconv" "strconv"
@ -91,10 +93,13 @@ func (fs *FilerServer) doAutoChunk(ctx context.Context, w http.ResponseWriter, r
var fileChunks []*filer_pb.FileChunk var fileChunks []*filer_pb.FileChunk
md5Hash := md5.New()
var partReader = ioutil.NopCloser(io.TeeReader(part1, md5Hash))
chunkOffset := int64(0) chunkOffset := int64(0)
for chunkOffset < contentLength { for chunkOffset < contentLength {
limitedReader := io.LimitReader(part1, int64(chunkSize)) limitedReader := io.LimitReader(partReader, int64(chunkSize))
// assign one file id for one chunk // assign one file id for one chunk
fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(w, r, replication, collection, dataCenter, ttlString) fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(w, r, replication, collection, dataCenter, ttlString)
@ -157,6 +162,7 @@ func (fs *FilerServer) doAutoChunk(ctx context.Context, w http.ResponseWriter, r
Collection: collection, Collection: collection,
TtlSec: ttlSec, TtlSec: ttlSec,
Mime: contentType, Mime: contentType,
Md5: md5Hash.Sum(nil),
}, },
Chunks: fileChunks, Chunks: fileChunks,
} }