From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id B06B8BC1E2 for ; Thu, 28 Mar 2024 13:38:17 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 668659DF5 for ; Thu, 28 Mar 2024 13:37:43 +0100 (CET) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS for ; Thu, 28 Mar 2024 13:37:41 +0100 (CET) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id DECB0428EE for ; Thu, 28 Mar 2024 13:37:40 +0100 (CET) From: Christian Ebner To: pbs-devel@lists.proxmox.com Date: Thu, 28 Mar 2024 13:36:30 +0100 Message-Id: <20240328123707.336951-22-c.ebner@proxmox.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240328123707.336951-1-c.ebner@proxmox.com> References: <20240328123707.336951-1-c.ebner@proxmox.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.030 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pbs-devel] [PATCH v3 proxmox-backup 21/58] client: helper: add helpers for creating reader instances X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Mar 2024 12:38:17 -0000 Add module to place helper methods which need to be used in different submodules of the client. Add `get_pxar_fuse_reader` and `get_buffered_pxar_reader` to create reader instances to access pxar archives. Signed-off-by: Christian Ebner --- changes since version 2: - not present in previous version proxmox-backup-client/src/helper.rs | 43 +++++++++++++++++++++++++++++ proxmox-backup-client/src/main.rs | 2 ++ 2 files changed, 45 insertions(+) create mode 100644 proxmox-backup-client/src/helper.rs diff --git a/proxmox-backup-client/src/helper.rs b/proxmox-backup-client/src/helper.rs new file mode 100644 index 000000000..cb58db2a6 --- /dev/null +++ b/proxmox-backup-client/src/helper.rs @@ -0,0 +1,43 @@ +use std::sync::Arc; + +use anyhow::Error; +use pbs_client::{BackupReader, RemoteChunkReader}; +use pbs_datastore::BackupManifest; +use pbs_tools::crypt_config::CryptConfig; + +use crate::{BufferedDynamicReadAt, BufferedDynamicReader, IndexFile}; + +pub(crate) async fn get_pxar_fuse_reader( + archive_name: &str, + client: Arc, + manifest: &BackupManifest, + crypt_config: Option>, +) -> Result<(pbs_pxar_fuse::Reader, u64), Error> { + let reader = get_buffered_pxar_reader(archive_name, client, manifest, crypt_config).await?; + let archive_size = reader.archive_size(); + let reader: pbs_pxar_fuse::Reader = Arc::new(BufferedDynamicReadAt::new(reader)); + + Ok((reader, archive_size)) +} + +pub(crate) async fn get_buffered_pxar_reader( + archive_name: &str, + client: Arc, + manifest: &BackupManifest, + crypt_config: Option>, +) -> Result, Error> { + let index = client + .download_dynamic_index(&manifest, &archive_name) + .await?; + + let most_used = index.find_most_used_chunks(8); + let file_info = manifest.lookup_file_info(&archive_name)?; + let chunk_reader = RemoteChunkReader::new( + client.clone(), + crypt_config.clone(), + file_info.chunk_crypt_mode(), + most_used, + ); + + Ok(BufferedDynamicReader::new(index, chunk_reader)) +} diff --git a/proxmox-backup-client/src/main.rs b/proxmox-backup-client/src/main.rs index dc6fe0e8d..975f6fdf8 100644 --- a/proxmox-backup-client/src/main.rs +++ b/proxmox-backup-client/src/main.rs @@ -72,6 +72,8 @@ mod catalog; pub use catalog::*; mod snapshot; pub use snapshot::*; +mod helper; +pub(crate) use helper::*; pub mod key; pub mod namespace; -- 2.39.2