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diff --git a/services/blob/src/main.rs b/services/blob/src/main.rs
--- a/services/blob/src/main.rs
+++ b/services/blob/src/main.rs
@@ -4,6 +4,7 @@
pub mod grpc;
pub mod http;
pub mod s3;
+pub mod service;
pub mod tools;
use anyhow::Result;
diff --git a/services/blob/src/service.rs b/services/blob/src/service.rs
new file mode 100644
--- /dev/null
+++ b/services/blob/src/service.rs
@@ -0,0 +1,77 @@
+#![allow(unused)]
+use std::ops::RangeInclusive;
+use std::sync::Arc;
+
+use async_stream::try_stream;
+use chrono::Duration;
+use tokio_stream::StreamExt;
+use tonic::codegen::futures_core::Stream;
+use tracing::{debug, error, trace, warn};
+
+use crate::constants::S3_MULTIPART_UPLOAD_MINIMUM_CHUNK_SIZE;
+use crate::database::types::{
+ BlobItemInput, BlobItemRow, PrimaryKey, UncheckedKind,
+};
+use crate::database::DBError;
+use crate::s3::{Error as S3Error, S3Client, S3Path};
+use crate::tools::{BoxedError, MemOps};
+use crate::{constants::BLOB_DOWNLOAD_CHUNK_SIZE, database::DatabaseClient};
+
+#[derive(
+ Debug, derive_more::Display, derive_more::From, derive_more::Error,
+)]
+pub enum BlobServiceError {
+ BlobNotFound,
+ BlobAlreadyExists,
+ InvalidState,
+ DB(DBError),
+ S3(S3Error),
+ InputError(#[error(ignore)] BoxedError),
+}
+
+type BlobServiceResult<T> = Result<T, BlobServiceError>;
+
+#[derive(Clone, Debug)]
+pub struct BlobServiceConfig {
+ /// Blob data is streamed from S3 in chunks of this size.
+ pub download_chunk_size: usize,
+ /// If enabled, orphaned blobs will be deleted immediately after
+ /// last holder is removed. This option should be enabled
+ /// if maintenance garbage collection tasks are not run.
+ pub instant_delete_orphaned_blobs: bool,
+ /// Minimum age that a orphan must stay unmodified
+ /// before it can be deleted by a garbage collection task
+ /// This option is ignored if `instant_delete_orphaned_blobs` is `true`
+ pub orphan_protection_period: chrono::Duration,
+}
+
+impl Default for BlobServiceConfig {
+ fn default() -> Self {
+ BlobServiceConfig {
+ download_chunk_size: BLOB_DOWNLOAD_CHUNK_SIZE as usize,
+ instant_delete_orphaned_blobs: false,
+ orphan_protection_period: Duration::hours(1),
+ }
+ }
+}
+
+#[derive(Clone)]
+pub struct BlobService {
+ db: Arc<DatabaseClient>,
+ s3: S3Client,
+ config: BlobServiceConfig,
+}
+
+impl BlobService {
+ pub fn new(
+ db: DatabaseClient,
+ s3: S3Client,
+ config: BlobServiceConfig,
+ ) -> Self {
+ Self {
+ db: Arc::new(db),
+ s3,
+ config,
+ }
+ }
+}
diff --git a/services/blob/src/tools.rs b/services/blob/src/tools.rs
--- a/services/blob/src/tools.rs
+++ b/services/blob/src/tools.rs
@@ -1,5 +1,6 @@
+use std::{env, error::Error as StdError};
+
use crate::constants;
-use std::env;
fn is_env_flag_set(env_var_name: &str) -> bool {
let flag_value = env::var(env_var_name).unwrap_or_default().to_lowercase();
@@ -11,6 +12,7 @@
return is_env_flag_set(constants::SANDBOX_ENV_VAR);
}
+pub type BoxedError = Box<dyn StdError>;
pub trait MemOps {
fn take_out(&mut self) -> Self;
}

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