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Changelog

[Unreleased]

[2.4.0] - 2025-11-26

Changed

  • MSRV is now 1.64.
  • Binding for pcap_breakloop added. It can be accessed via the breakloop_handle call on Activated captures.

[2.3.0] - 2025-07-19

Added

  • Added packet_header_size() for applications that need to know the size of internal type pcap_pkthdr (for instance to calculate exact send queue sizes).

[2.2.0] - 2024-09-01

Added

  • Added an implementation of AsFd on Capture<Active> on non-Windows.

[2.1.0] - 2024-08-27

Added

  • Add want_pktap on Capture<Inactive> for Mac OS.

[2.0.0] - 2024-04-21

Changed

  • Rust Edition is now 2021.
  • MSRV is now 1.63.0.

[1.3.0] - 2024-03-15

Added

  • Binding for pcap_loop added. It can be accessed via the for_each call on Activated captures.

[1.2.0] - 2024-01-19

Added

  • capture-stream support added for Windows.

[1.1.0] - 2023-05-12

Added

  • lending-iter UNSTABLE feature that introduces lending iterator using GATs.

Changed

  • Examples in the docs have been fixed.

[1.0.0] - 2022-11-19

Changed

  • Public API declared stable.

[0.11.0] - 2022-10-01

Added

  • SendQueue::queue_sg() can add scattered packets, as a slice of std::io::IoSlices, to SendQueues.

Changed

  • Rename sendqueue::Sync to sendqueue::SendSync to avoid collision with Sync in std's prelude.
  • Build script will fall back to pkg-config if available and LIBPCAP_LIBDIR hasn't been explicitly set.

[0.10.1] - 2022-08-17

Changed

  • MSRV is now 1.46.0.

[0.10.0] - 2022-08-16

Added

  • doc will now include all features.
  • Support for sendqueues on Windows.
  • PacketStream::capture_mut to still be able to inject packets when using PacketStream.
  • Capture::iter() that return an iterator that use a codec like Capture::stream().
  • Packet<Dead>::dead_with_precision to enable creating a pcap with nanosecond precision.
  • flags field to Device.

Removed

  • BpfProgram no longer have Clone implementation see #261

Changed

  • MSRV is now 1.41.0.
  • PacketStream has been moved from mod stream to the root of the crate.
  • PacketCodec has been moved from mod stream to the root of the crate.
  • PacketCodec::decode() no longer returns a Result.
  • PacketCodec::Type has been renamed to PacketCodec::Item.
  • Device::lookup now returns Result<Option<Device>, Error> rather than Result<Device, Error>. Ok(None) means that the lookup succeeded, but no suitable devices were available. This is consistent with libpcap.
  • Capture and Savefile no longer implement the Sync trait. The underlying libpcap library does not promise thread-safe access for the same capture object from multiple threads.
  • Switched from winapi to windows-sys for Windows builds. windows-sys requires rustc 1.46.0.
  • Capture::next have been rename next_packet to avoid any confusion with Iterator::next.

Removed

  • mod stream is no longer public.
  • docs-rs feature.
  • full feature.
  • stream::SelectableFd and stream::PacketStream::new as they were only meant to be used internally.

[0.9.2] - 2022-04-15

Changed

  • capture-stream requires rustc version 1.49.0 due to dependency on tokio.

[0.9.1] - 2021-11-07

Added

  • Support for device addresses.

[0.9.0] - 2021-09-05

Added

  • savefile.flush support.

Changed

  • Updated dependency tokio from version 0.2 to 1.0.
  • capture-stream requires rustc version 1.45.0 due to dependency on tokio.

[0.8.1] - 2020-12-30

Changed

  • Fix docs.rs build.

[0.8.0] - 2020-12-30

Added

  • Derive(Clone) to Device struct (#100).
  • Build-time libpcap version detection.
  • Support for immediate mode.
  • Const value for Linktype (#145).
  • Support for BPF compile.

Changed

  • Opt into Rust 2018.
  • Now minimum supported rustc version is 1.40.0.
  • Updated dependency from deprecated tokio-core to tokio 0.2.
  • Updated dependency futures from version 0.1 to 0.3.
  • Feature tokio renamed to capture-stream because Cargo does not allow features and dependencies to have the same name.
  • PCAP_LIBDIR renamed to LIBPCAP_LIBDIR to distinguish the pcap crate from the libpcap library.
  • All methods that construct objects out of a RawFd are now unsafe.
  • All methods that take a raw pointer are now unsafe. Some of these functions were renamed from new to from_handle to underline this.

Removed

  • Feature flags pcap-savefile-append, pcap-fopen-offline-precision (replaced by build-time libpcap version detection).

[0.7.0] - 2017-08-04

No Changelog entries for <= 0.7.0.