From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <c.ebner@proxmox.com>
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 D0AC4BC12E
 for <pbs-devel@lists.proxmox.com>; Thu, 28 Mar 2024 13:38:07 +0100 (CET)
Received: from firstgate.proxmox.com (localhost [127.0.0.1])
 by firstgate.proxmox.com (Proxmox) with ESMTP id 877219CE1
 for <pbs-devel@lists.proxmox.com>; Thu, 28 Mar 2024 13:37:37 +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 <pbs-devel@lists.proxmox.com>; Thu, 28 Mar 2024 13:37:37 +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 CD05D42933
 for <pbs-devel@lists.proxmox.com>; Thu, 28 Mar 2024 13:37:36 +0100 (CET)
From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Thu, 28 Mar 2024 13:36:18 +0100
Message-Id: <20240328123707.336951-10-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 0.031 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 pxar 09/58] encoder: add payload position
 capability
X-BeenThere: pbs-devel@lists.proxmox.com
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Proxmox Backup Server development discussion
 <pbs-devel.lists.proxmox.com>
List-Unsubscribe: <https://lists.proxmox.com/cgi-bin/mailman/options/pbs-devel>, 
 <mailto:pbs-devel-request@lists.proxmox.com?subject=unsubscribe>
List-Archive: <http://lists.proxmox.com/pipermail/pbs-devel/>
List-Post: <mailto:pbs-devel@lists.proxmox.com>
List-Help: <mailto:pbs-devel-request@lists.proxmox.com?subject=help>
List-Subscribe: <https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel>, 
 <mailto:pbs-devel-request@lists.proxmox.com?subject=subscribe>
X-List-Received-Date: Thu, 28 Mar 2024 12:38:07 -0000

Allows to read the current payload offset from the dedicated payload
input stream. This is required to get the current offset for calculation
of forced boundaries in the proxmox-backup-client, when injecting reused
payload chunks into the payload stream.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
changes since version 2:
- no changes

 src/encoder/aio.rs  | 5 +++++
 src/encoder/mod.rs  | 4 ++++
 src/encoder/sync.rs | 5 +++++
 3 files changed, 14 insertions(+)

diff --git a/src/encoder/aio.rs b/src/encoder/aio.rs
index 17ade7d..b9cbe11 100644
--- a/src/encoder/aio.rs
+++ b/src/encoder/aio.rs
@@ -83,6 +83,11 @@ impl<'a, T: SeqWrite + 'a> Encoder<'a, T> {
         })
     }
 
+    /// Get current position for payload stream
+    pub fn payload_position(&self) -> io::Result<PayloadOffset> {
+        self.inner.payload_position()
+    }
+
     // /// Convenience shortcut to add a *regular* file by path including its contents to the archive.
     // pub async fn add_file<P, F>(
     //     &mut self,
diff --git a/src/encoder/mod.rs b/src/encoder/mod.rs
index fcd636d..607cea5 100644
--- a/src/encoder/mod.rs
+++ b/src/encoder/mod.rs
@@ -503,6 +503,10 @@ impl<'a, T: SeqWrite + 'a> EncoderImpl<'a, T> {
         Ok(offset)
     }
 
+    pub fn payload_position(&self) -> io::Result<PayloadOffset> {
+        Ok(PayloadOffset(self.state()?.payload_position()))
+    }
+
     /// Encode a payload reference pointing to given offset in the separate payload output
     ///
     /// Returns with error if the encoder instance has no separate payload output or encoding
diff --git a/src/encoder/sync.rs b/src/encoder/sync.rs
index 48942b9..a63a3cd 100644
--- a/src/encoder/sync.rs
+++ b/src/encoder/sync.rs
@@ -100,6 +100,11 @@ impl<'a, T: SeqWrite + 'a> Encoder<'a, T> {
         ))
     }
 
+    /// Get current payload position for payload stream
+    pub fn payload_position(&self) -> io::Result<PayloadOffset> {
+        self.inner.payload_position()
+    }
+
     /// Encode a payload reference pointing to given offset in the separate payload output
     ///
     /// Returns with error if the encoder instance has no separate payload output or encoding
-- 
2.39.2