From 111cd16827048aa5e58f77f92acda8ac831a146a Mon Sep 17 00:00:00 2001
From: weisd <weishidavip@163.com>
Date: Mon, 22 Jul 2024 15:33:41 +0800
Subject: [PATCH] todo:ec decode

---
 ecstore/src/sets.rs      |  4 ++--
 ecstore/src/store.rs     |  4 ++--
 ecstore/src/store_api.rs | 22 +++++++++++++++++++++-
 3 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/ecstore/src/sets.rs b/ecstore/src/sets.rs
index fc3cd12f8..60ca10f2d 100644
--- a/ecstore/src/sets.rs
+++ b/ecstore/src/sets.rs
@@ -133,7 +133,7 @@ impl StorageAPI for Sets {
     async fn get_object_info(&self, bucket: &str, object: &str, opts: &ObjectOptions) -> Result<ObjectInfo> {
         self.get_disks_by_key(object).get_object_info(bucket, object, opts).await
     }
-    async fn get_Object_reader(
+    async fn get_object_reader(
         &self,
         bucket: &str,
         object: &str,
@@ -142,7 +142,7 @@ impl StorageAPI for Sets {
         opts: &ObjectOptions,
     ) -> Result<GetObjectReader> {
         self.get_disks_by_key(object)
-            .get_Object_reader(bucket, object, range, h, opts)
+            .get_object_reader(bucket, object, range, h, opts)
             .await
     }
     async fn put_object(&self, bucket: &str, object: &str, data: PutObjReader, opts: &ObjectOptions) -> Result<()> {
diff --git a/ecstore/src/store.rs b/ecstore/src/store.rs
index 9549246e3..0eec6455e 100644
--- a/ecstore/src/store.rs
+++ b/ecstore/src/store.rs
@@ -161,7 +161,7 @@ impl StorageAPI for ECStore {
 
         unimplemented!()
     }
-    async fn get_Object_reader(
+    async fn get_object_reader(
         &self,
         bucket: &str,
         object: &str,
@@ -172,7 +172,7 @@ impl StorageAPI for ECStore {
         let object = utils::path::encode_dir_object(object);
 
         if self.single_pool() {
-            return self.pools[0].get_Object_reader(bucket, object.as_str(), range, h, opts).await;
+            return self.pools[0].get_object_reader(bucket, object.as_str(), range, h, opts).await;
         }
 
         unimplemented!()
diff --git a/ecstore/src/store_api.rs b/ecstore/src/store_api.rs
index 077f56327..e35431057 100644
--- a/ecstore/src/store_api.rs
+++ b/ecstore/src/store_api.rs
@@ -92,6 +92,24 @@ impl FileInfo {
             is_latest: self.is_latest,
         }
     }
+    // to_part_offset 取offset 所在的part index, 返回part index, offset
+    pub fn to_part_offset(&self, offset: i64) -> Result<(usize, i64)> {
+        if offset == 0 {
+            return Ok((0, 0));
+        }
+
+        let mut part_offset = offset;
+        for (i, part) in self.parts.iter().enumerate() {
+            let part_index = i;
+            if part_offset < part.size as i64 {
+                return Ok((part_index, part_offset));
+            }
+
+            part_offset -= part.size as i64
+        }
+
+        Err(Error::msg("part not found"))
+    }
 }
 
 impl Default for FileInfo {
@@ -342,6 +360,7 @@ pub struct ObjectOptions {
     // Use the maximum parity (N/2), used when saving server configuration files
     pub max_parity: bool,
     pub mod_time: OffsetDateTime,
+    pub part_number: usize,
 }
 
 impl Default for ObjectOptions {
@@ -349,6 +368,7 @@ impl Default for ObjectOptions {
         Self {
             max_parity: Default::default(),
             mod_time: OffsetDateTime::UNIX_EPOCH,
+            part_number: Default::default(),
         }
     }
 }
@@ -403,7 +423,7 @@ pub trait StorageAPI {
     async fn make_bucket(&self, bucket: &str, opts: &MakeBucketOptions) -> Result<()>;
     async fn get_bucket_info(&self, bucket: &str, opts: &BucketOptions) -> Result<BucketInfo>;
     async fn get_object_info(&self, bucket: &str, object: &str, opts: &ObjectOptions) -> Result<ObjectInfo>;
-    async fn get_Object_reader(
+    async fn get_object_reader(
         &self,
         bucket: &str,
         object: &str,