perf(link): optimize concurrent response (#641)

* fix(crypt): bug caused by link cache

* perf(crypt,mega,halalcloud,quark,uc): optimize concurrent response link

* chore: 删除无用代码

* ftp

* 修复bug；资源释放

* 添加SyncClosers

* local,sftp,smb

* 重构，优化，增强

* Update internal/stream/util.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: j2rong4cn <36783515+j2rong4cn@users.noreply.github.com>

* chore

* chore

* 优化，修复bug

* .

---------

Signed-off-by: j2rong4cn <36783515+j2rong4cn@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

internal/model/args.go

@@ -2,6 +2,7 @@ package model
 
 import (
 	"context"
+	"errors"
 	"io"
 	"net/http"
 	"time"
@@ -24,16 +25,25 @@ type LinkArgs struct {
 }
 
 type Link struct {
-	URL             string            `json:"url"`    // most common way
-	Header          http.Header       `json:"header"` // needed header (for url)
-	RangeReadCloser RangeReadCloserIF `json:"-"`      // recommended way if can't use URL
-	MFile           io.ReadSeeker     `json:"-"`      // best for local,smb... file system, which exposes MFile
+	URL         string        `json:"url"`    // most common way
+	Header      http.Header   `json:"header"` // needed header (for url)
+	RangeReader RangeReaderIF `json:"-"`      // recommended way if can't use URL
+	MFile       File          `json:"-"`      // best for local,smb... file system, which exposes MFile
 
 	Expiration *time.Duration // local cache expire Duration
 
 	//for accelerating request, use multi-thread downloading
 	Concurrency int `json:"concurrency"`
 	PartSize    int `json:"part_size"`
+
+	utils.SyncClosers `json:"-"`
+}
+
+func (l *Link) Close() error {
+	if clr, ok := l.MFile.(io.Closer); ok {
+		return errors.Join(clr.Close(), l.SyncClosers.Close())
+	}
+	return l.SyncClosers.Close()
 }
 
 type OtherArgs struct {
@@ -74,23 +84,24 @@ type ArchiveDecompressArgs struct {
 	PutIntoNewDir bool
 }
 
-type RangeReadCloserIF interface {
+type RangeReaderIF interface {
 	RangeRead(ctx context.Context, httpRange http_range.Range) (io.ReadCloser, error)
+}
+
+type RangeReadCloserIF interface {
+	RangeReaderIF
 	utils.ClosersIF
 }
 
 var _ RangeReadCloserIF = (*RangeReadCloser)(nil)
 
 type RangeReadCloser struct {
-	RangeReader RangeReaderFunc
+	RangeReader RangeReaderIF
 	utils.Closers
 }
 
 func (r *RangeReadCloser) RangeRead(ctx context.Context, httpRange http_range.Range) (io.ReadCloser, error) {
-	rc, err := r.RangeReader(ctx, httpRange)
-	r.Closers.Add(rc)
+	rc, err := r.RangeReader.RangeRead(ctx, httpRange)
+	r.Add(rc)
 	return rc, err
 }
-
-// type WriterFunc func(w io.Writer) error
-type RangeReaderFunc func(ctx context.Context, httpRange http_range.Range) (io.ReadCloser, error)

internal/model/file.go

@@ -1,6 +1,9 @@
 package model
 
-import "io"
+import (
+	"errors"
+	"io"
+)
 
 // File is basic file level accessing interface
 type File interface {
@@ -8,3 +11,22 @@ type File interface {
 	io.ReaderAt
 	io.Seeker
 }
+type FileCloser struct {
+	File
+	io.Closer
+}
+
+func (f *FileCloser) Close() error {
+	var errs []error
+	if clr, ok := f.File.(io.Closer); ok {
+		errs = append(errs, clr.Close())
+	}
+	if f.Closer != nil {
+		errs = append(errs, f.Closer.Close())
+	}
+	return errors.Join(errs...)
+}
+
+type FileRangeReader struct {
+	RangeReaderIF
+}

internal/model/obj.go

@@ -37,7 +37,7 @@ type Obj interface {
 // FileStreamer ->check FileStream for more comments
 type FileStreamer interface {
 	io.Reader
-	io.Closer
+	utils.ClosersIF
 	Obj
 	GetMimetype() string
 	//SetReader(io.Reader)