init metacache io

ecstore/src/disk/local.rs

@@ -1291,10 +1291,18 @@ impl DiskAPI for LocalDisk {
         Ok(entries)
     }
 
-    // TODO: io.writer
-    async fn walk_dir(&self, opts: WalkDirOptions) -> Result<Vec<MetaCacheEntry>> {
+    // FIXME: TODO: io.writer
+    async fn walk_dir(&self, opts: WalkDirOptions, wr: crate::io::Writer) -> Result<Vec<MetaCacheEntry>> {
         // warn!("walk_dir opts {:?}", &opts);
 
+        let volume_dir = self.get_bucket_path(&opts.bucket)?;
+
+        if !skip_access_checks(&opts.bucket) {
+            if let Err(e) = access(&volume_dir).await {
+                return Err(convert_access_error(e, DiskError::VolumeAccessDenied));
+            }
+        }
+
         let mut metas = Vec::new();
 
         if opts.base_dir.ends_with(SLASH_SEPARATOR) {

ecstore/src/disk/mod.rs

@@ -22,6 +22,7 @@ use crate::{
         data_usage_cache::{DataUsageCache, DataUsageEntry},
         heal_commands::{HealScanMode, HealingTracker},
     },
+    io,
     store_api::{FileInfo, RawFileInfo},
 };
 use endpoint::Endpoint;
@@ -208,10 +209,10 @@ impl DiskAPI for Disk {
         }
     }
 
-    async fn walk_dir(&self, opts: WalkDirOptions) -> Result<Vec<MetaCacheEntry>> {
+    async fn walk_dir(&self, opts: WalkDirOptions, wr: crate::io::Writer) -> Result<Vec<MetaCacheEntry>> {
         match self {
-            Disk::Local(local_disk) => local_disk.walk_dir(opts).await,
-            Disk::Remote(remote_disk) => remote_disk.walk_dir(opts).await,
+            Disk::Local(local_disk) => local_disk.walk_dir(opts, wr).await,
+            Disk::Remote(remote_disk) => remote_disk.walk_dir(opts, wr).await,
         }
     }
 
@@ -403,7 +404,7 @@ pub trait DiskAPI: Debug + Send + Sync + 'static {
     async fn delete_volume(&self, volume: &str) -> Result<()>;
 
     // 并发边读边写 TODO: wr io.Writer
-    async fn walk_dir(&self, opts: WalkDirOptions) -> Result<Vec<MetaCacheEntry>>;
+    async fn walk_dir(&self, opts: WalkDirOptions, wr: crate::io::Writer) -> Result<Vec<MetaCacheEntry>>;
 
     // Metadata operations
     async fn delete_version(
@@ -599,10 +600,10 @@ pub struct MetaCacheEntry {
     pub metadata: Vec<u8>,
 
     // cached contains the metadata if decoded.
-    cached: Option<FileMeta>,
+    pub cached: Option<FileMeta>,
 
     // Indicates the entry can be reused and only one reference to metadata is expected.
-    _reusable: bool,
+    pub reusable: bool,
 }
 
 impl MetaCacheEntry {
@@ -616,6 +617,7 @@ impl MetaCacheEntry {
 
         Ok(wr)
     }
+
     pub fn is_dir(&self) -> bool {
         self.metadata.is_empty() && self.name.ends_with('/')
     }
@@ -838,7 +840,7 @@ impl MetaCacheEntries {
                 meta_ver: selected.as_ref().unwrap().cached.as_ref().unwrap().meta_ver,
                 ..Default::default()
             }),
-            _reusable: true,
+            reusable: true,
             ..Default::default()
         });
 

ecstore/src/disk/remote.rs

@@ -346,7 +346,7 @@ impl DiskAPI for RemoteDisk {
         Ok(response.volumes)
     }
 
-    async fn walk_dir(&self, opts: WalkDirOptions) -> Result<Vec<MetaCacheEntry>> {
+    async fn walk_dir(&self, opts: WalkDirOptions, wr: crate::io::Writer) -> Result<Vec<MetaCacheEntry>> {
         info!("walk_dir");
         let walk_dir_options = serde_json::to_string(&opts)?;
         let mut client = node_service_time_out_client(&self.addr)