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gateway: add rw locks to lock multiple requests within a single machi…
…ne (#4845)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| /* | ||
| * JuiceFS, Copyright 2024 Juicedata, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package gateway | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "github.com/juicedata/juicefs/pkg/chunk" | ||
| "github.com/juicedata/juicefs/pkg/fs" | ||
| "github.com/juicedata/juicefs/pkg/meta" | ||
| "github.com/juicedata/juicefs/pkg/object" | ||
| "github.com/juicedata/juicefs/pkg/vfs" | ||
| minio "github.com/minio/minio/cmd" | ||
| "os" | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
|
||
| func TestGatewayLock(t *testing.T) { | ||
| m := meta.NewClient("memkv://", nil) | ||
| format := &meta.Format{ | ||
| Name: "test", | ||
| BlockSize: 4096, | ||
| Capacity: 1 << 30, | ||
| DirStats: true, | ||
| } | ||
| _ = m.Init(format, true) | ||
| var conf = vfs.Config{ | ||
| Meta: meta.DefaultConf(), | ||
| Chunk: &chunk.Config{ | ||
| BlockSize: format.BlockSize << 10, | ||
| MaxUpload: 1, | ||
| BufferSize: 100 << 20, | ||
| }, | ||
| DirEntryTimeout: time.Millisecond * 100, | ||
| EntryTimeout: time.Millisecond * 100, | ||
| AttrTimeout: time.Millisecond * 100, | ||
| } | ||
| objStore, _ := object.CreateStorage("mem", "", "", "", "") | ||
| store := chunk.NewCachedStore(objStore, *conf.Chunk, nil) | ||
| jfs, err := fs.NewFileSystem(&conf, m, store) | ||
| if err != nil { | ||
| t.Fatalf("initialize failed: %s", err) | ||
| } | ||
| jfsObj := &jfsObjects{fs: jfs, conf: &conf, listPool: minio.NewTreeWalkPool(time.Minute * 30), gConf: &Config{Umask: 022}, nsMutex: minio.NewNSLock(false)} | ||
| mctx = meta.NewContext(uint32(os.Getpid()), uint32(os.Getuid()), []uint32{uint32(os.Getgid())}) | ||
| if err := jfs.Mkdir(mctx, minio.MinioMetaBucket, 0777, 022); err != 0 { | ||
| t.Fatalf("mkdir failed: %s", err) | ||
| } | ||
|
|
||
| rwLocker := jfsObj.NewNSLock(minio.MinioMetaBucket, minio.MinioMetaLockFile) | ||
|
|
||
| if _, err := rwLocker.GetLock(context.Background(), minio.NewDynamicTimeout(2*time.Second, 1*time.Second)); err != nil { | ||
| t.Fatalf("get lock failed: %s", err) | ||
| } | ||
| if _, err := rwLocker.GetLock(context.Background(), minio.NewDynamicTimeout(2*time.Second, 1*time.Second)); !errors.As(err, &minio.OperationTimedOut{}) { | ||
| t.Fatalf("GetLock should return timeout error: %s", err) | ||
| } | ||
| rwLocker.Unlock() | ||
|
|
||
| if _, err := rwLocker.GetRLock(context.Background(), minio.NewDynamicTimeout(2*time.Second, 1*time.Second)); err != nil { | ||
| t.Fatalf("get lock failed: %s", err) | ||
| } | ||
| if _, err := rwLocker.GetRLock(context.Background(), minio.NewDynamicTimeout(2*time.Second, 1*time.Second)); err != nil { | ||
| t.Fatalf("GetRLock should return nil: %s", err) | ||
| } | ||
| rwLocker.RUnlock() | ||
| rwLocker.RUnlock() | ||
|
|
||
| if _, err := rwLocker.GetLock(context.Background(), minio.NewDynamicTimeout(2*time.Second, 1*time.Second)); err != nil { | ||
| t.Fatalf("get lock failed: %s", err) | ||
| } | ||
| if _, err := rwLocker.GetRLock(context.Background(), minio.NewDynamicTimeout(2*time.Second, 1*time.Second)); !errors.As(err, &minio.OperationTimedOut{}) { | ||
| t.Fatalf("GetRLock should return timeout error: %s", err) | ||
| } | ||
| rwLocker.Unlock() | ||
|
|
||
| if _, err := rwLocker.GetRLock(context.Background(), minio.NewDynamicTimeout(2*time.Second, 1*time.Second)); err != nil { | ||
| t.Fatalf("GetRLock failed: %s", err) | ||
| } | ||
| if _, err := rwLocker.GetLock(context.Background(), minio.NewDynamicTimeout(2*time.Second, 1*time.Second)); !errors.As(err, &minio.OperationTimedOut{}) { | ||
| t.Fatalf("GetRLock should return timeout error: %s", err) | ||
| } | ||
| rwLocker.RUnlock() | ||
|
|
||
| } |