api3/admin/datastore/upload_catar.rs: implement upload future

src/api3/admin/datastore.rs

@@ -12,6 +12,8 @@ use crate::config::datastore;
 
 use crate::backup::datastore::*;
 
+mod upload_catar;
+
 // this is just a test for mutability/mutex handling  - will remove later
 fn start_garbage_collection(param: Value, _info: &ApiMethod) -> Result<Value, Error> {
 
@@ -52,39 +54,6 @@ pub fn api_method_garbage_collection_status() -> ApiMethod {
     )
 }
 
-fn upload_catar(req_body: hyper::Body, param: Value, _info: &ApiUploadMethod) -> BoxFut {
-
-    let name = param["name"].as_str().unwrap();
-
-    println!("Upload .catar to {}", name);
-
-    let resp = req_body
-        .map_err(|err| http_err!(BAD_REQUEST, format!("Promlems reading request body: {}", err)))
-        .for_each(|chunk| {
-             println!("UPLOAD Chunk {}", chunk.len());
-            Ok(())
-        })
-        .and_then(|()| {
-            println!("UPLOAD DATA Sucessful");
-
-            let response = http::Response::builder()
-                .status(200)
-                .body(hyper::Body::empty())
-                .unwrap();
-
-            Ok(response)
-        });
-
-    Box::new(resp)
-}
-
-fn api_method_upload_catar() -> ApiUploadMethod {
-    ApiUploadMethod::new(
-        upload_catar,
-        ObjectSchema::new("Upload .catar backup file.")
-            .required("name", StringSchema::new("Datastore name."))
-    )
-}
 
 fn get_datastore_list(_param: Value, _info: &ApiMethod) -> Result<Value, Error> {
 
@@ -105,7 +74,7 @@ pub fn router() -> Router {
             ObjectSchema::new("Directory index.")
                 .required("name", StringSchema::new("Datastore name.")))
         )
-        .upload(api_method_upload_catar())
+        .upload(upload_catar::api_method_upload_catar())
         .subdir(
             "gc",
             Router::new()

src/api3/admin/datastore/upload_catar.rs

@@ -0,0 +1,81 @@
+use failure::*;
+
+use crate::backup::datastore::*;
+use crate::backup::archive_index::*;
+use crate::server::rest::*;
+use crate::api::schema::*;
+use crate::api::router::*;
+
+use serde_json::{json, Value};
+
+use std::sync::Arc;
+use futures::*;
+
+pub struct UploadCaTar {
+    stream: hyper::Body,
+    index: ArchiveIndexWriter,
+    count: usize,
+}
+
+impl Future for UploadCaTar {
+    type Item = ();
+    type Error = failure::Error;
+
+    fn poll(&mut self) -> Poll<(), failure::Error> {
+        loop {
+            use std::io::Write;
+
+            match try_ready!(self.stream.poll()) {
+                Some(chunk) => {
+                    self.count += chunk.len();
+                    println!("UPLOAD Chunk {} {}", chunk.len(), self.count);
+                    if let Err(err) = self.index.write(&chunk) {
+                        bail!("writing chunk failed - {}", err);
+                    }
+                    return Ok(Async::NotReady);
+                }
+                None => {
+                    println!("UPLOAD Close Index {}", self.count);
+                    self.index.close();
+                    return Ok(Async::Ready(()))
+                }
+            }
+        }
+    }
+}
+
+fn upload_catar(req_body: hyper::Body, param: Value, _info: &ApiUploadMethod) -> BoxFut {
+
+    let store = param["name"].as_str().unwrap();
+
+    use std::io::Write;
+
+    println!("Upload .catar to {}", store);
+
+    let chunk_size = 4*1024*1024;
+    let datastore = DataStore::lookup_datastore(store).unwrap().clone();
+
+    let mut index = datastore.create_archive_writer("upload.aidx", chunk_size).unwrap();
+
+    let upload = UploadCaTar { stream: req_body, index, count: 0};
+
+    let resp = upload.and_then(|v| {
+
+        let response = http::Response::builder()
+            .status(200)
+            .body(hyper::Body::empty())
+            .unwrap();
+
+        Ok(response)
+    });
+
+    Box::new(resp)
+}
+
+pub fn api_method_upload_catar() -> ApiUploadMethod {
+    ApiUploadMethod::new(
+        upload_catar,
+        ObjectSchema::new("Upload .catar backup file.")
+            .required("name", StringSchema::new("Datastore name."))
+    )
+}

src/backup/archive_index.rs

@@ -3,6 +3,7 @@ use failure::*;
 use super::chunk_store::*;
 use super::chunker::*;
 
+use std::sync::Arc;
 use std::io::{Read, Write, BufWriter};
 use std::fs::File;
 use std::path::{Path, PathBuf};
@@ -312,8 +313,8 @@ impl <'a> std::io::Seek for  BufferedArchiveReader<'a> {
     }
 }
 
-pub struct ArchiveIndexWriter<'a> {
-    store: &'a ChunkStore,
+pub struct ArchiveIndexWriter {
+    store: Arc<ChunkStore>,
     chunker: Chunker,
     writer: BufWriter<File>,
     closed: bool,
@@ -327,9 +328,16 @@ pub struct ArchiveIndexWriter<'a> {
     chunk_buffer: Vec<u8>,
 }
 
-impl <'a> ArchiveIndexWriter<'a> {
+impl Drop for ArchiveIndexWriter {
 
-    pub fn create(store: &'a ChunkStore, path: &Path, chunk_size: usize) -> Result<Self, Error> {
+    fn drop(&mut self) {
+        let _ = std::fs::remove_file(&self.tmp_filename); // ignore errors
+    }
+}
+
+impl ArchiveIndexWriter {
+
+    pub fn create(store: Arc<ChunkStore>, path: &Path, chunk_size: usize) -> Result<Self, Error> {
 
         let full_path = store.relative_path(path);
         let mut tmp_path = full_path.clone();
@@ -433,7 +441,7 @@ impl <'a> ArchiveIndexWriter<'a> {
     }
 }
 
-impl <'a> Write for ArchiveIndexWriter<'a> {
+impl Write for ArchiveIndexWriter {
 
     fn write(&mut self, data: &[u8]) -> std::result::Result<usize, std::io::Error> {
 

src/backup/datastore.rs

@@ -11,7 +11,7 @@ use super::image_index::*;
 use super::archive_index::*;
 
 pub struct DataStore {
-    chunk_store: ChunkStore,
+    chunk_store: Arc<ChunkStore>,
     gc_mutex: Mutex<bool>,
 }
 
@@ -58,7 +58,7 @@ impl DataStore {
         let chunk_store = ChunkStore::open(store_name, path)?;
 
         Ok(Self {
-            chunk_store: chunk_store,
+            chunk_store: Arc::new(chunk_store),
             gc_mutex: Mutex::new(false),
         })
     }
@@ -82,7 +82,8 @@ impl DataStore {
         chunk_size: usize
     ) -> Result<ArchiveIndexWriter, Error> {
 
-        let index = ArchiveIndexWriter::create(&self.chunk_store, filename.as_ref(), chunk_size)?;
+        let index = ArchiveIndexWriter::create(
+            self.chunk_store.clone(), filename.as_ref(), chunk_size)?;
 
         Ok(index)
     }

src/server/rest.rs

@@ -180,8 +180,8 @@ fn handle_sync_api_request(
 
 fn handle_upload_api_request(
     info: &'static ApiUploadMethod,
-    formatter: &'static OutputFormatter,
-    parts: Parts,
+    _formatter: &'static OutputFormatter,
+    _parts: Parts,
     req_body: Body,
     uri_param: HashMap<String, String>,
 ) -> BoxFut