chore: add maxMB option for webdav (#5165)

weed/command/server.go

@@ -164,6 +164,7 @@ func init() {
 	webdavOptions.tlsCertificate = cmdServer.Flag.String("webdav.cert.file", "", "path to the TLS certificate file")
 	webdavOptions.cacheDir = cmdServer.Flag.String("webdav.cacheDir", os.TempDir(), "local cache directory for file chunks")
 	webdavOptions.cacheSizeMB = cmdServer.Flag.Int64("webdav.cacheCapacityMB", 0, "local cache capacity in MB")
+	webdavOptions.maxMB = cmdServer.Flag.Int("webdav.maxMB", 4, "split files larger than the limit")
 	webdavOptions.filerRootPath = cmdServer.Flag.String("webdav.filer.path", "/", "use this remote path from filer server")
 
 	mqBrokerOptions.port = cmdServer.Flag.Int("mq.broker.port", 17777, "message queue broker gRPC listen port")

weed/command/webdav.go

@@ -32,6 +32,7 @@ type WebDavOption struct {
 	tlsCertificate *string
 	cacheDir       *string
 	cacheSizeMB    *int64
+	maxMB          *int
 }
 
 func init() {
@@ -45,6 +46,7 @@ func init() {
 	webDavStandaloneOptions.tlsCertificate = cmdWebDav.Flag.String("cert.file", "", "path to the TLS certificate file")
 	webDavStandaloneOptions.cacheDir = cmdWebDav.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks")
 	webDavStandaloneOptions.cacheSizeMB = cmdWebDav.Flag.Int64("cacheCapacityMB", 0, "local cache capacity in MB")
+	webDavStandaloneOptions.maxMB = cmdWebDav.Flag.Int("maxMB", 4, "split files larger than the limit")
 	webDavStandaloneOptions.filerRootPath = cmdWebDav.Flag.String("filer.path", "/", "use this remote path from filer server")
 }
 
@@ -116,6 +118,7 @@ func (wo *WebDavOption) startWebDav() bool {
 		Cipher:         cipher,
 		CacheDir:       util.ResolvePath(*wo.cacheDir),
 		CacheSizeMB:    *wo.cacheSizeMB,
+		MaxMB:          *wo.maxMB,
 	})
 	if webdavServer_err != nil {
 		glog.Fatalf("WebDav Server startup error: %v", webdavServer_err)

weed/server/webdav_server.go

@@ -38,6 +38,7 @@ type WebDavOption struct {
 	Cipher         bool
 	CacheDir       string
 	CacheSizeMB    int64
+	MaxMB          int
 }
 
 type WebDavServer struct {
@@ -262,7 +263,7 @@ func (fs *WebDavFileSystem) OpenFile(ctx context.Context, fullFilePath string, f
 			fs:          fs,
 			name:        fullFilePath,
 			isDirectory: false,
-			bufWriter:   buffered_writer.NewBufferedWriteCloser(4 * 1024 * 1024),
+			bufWriter:   buffered_writer.NewBufferedWriteCloser(fs.option.MaxMB * 1024 * 1024),
 		}, nil
 	}
 
@@ -278,7 +279,7 @@ func (fs *WebDavFileSystem) OpenFile(ctx context.Context, fullFilePath string, f
 		fs:          fs,
 		name:        fullFilePath,
 		isDirectory: false,
-		bufWriter:   buffered_writer.NewBufferedWriteCloser(4 * 1024 * 1024),
+		bufWriter:   buffered_writer.NewBufferedWriteCloser(fs.option.MaxMB * 1024 * 1024),
 	}, nil
 
 }