Struct MutableTcpPacket 

pub struct MutableTcpPacket<'a> { /* private fields */ }

Represents a mutable TCP packet.

Implementations

impl<'a> MutableTcpPacket<'a>

pub fn new_unchecked(buffer: &'a mut [u8]) -> Self

Create a packet without validating the header fields.

pub fn checksum_mode(&self) -> ChecksumMode

Returns the checksum recalculation mode for the packet.

pub fn set_checksum_mode(&mut self, mode: ChecksumMode)

Updates how checksum recalculation should be handled.

pub fn enable_auto_checksum(&mut self)

Enables automatic checksum recomputation after field mutations.

pub fn disable_auto_checksum(&mut self)

Disables automatic checksum recomputation.

pub fn is_checksum_dirty(&self) -> bool

Returns true if the checksum needs to be updated before serialization.

pub fn mark_checksum_dirty(&mut self)

Marks the checksum as dirty and recomputes it when automatic mode is enabled.

pub fn set_checksum_context(&mut self, context: TransportChecksumContext)

Configures the pseudo-header context required for checksum calculation.

pub fn set_ipv4_checksum_context( &mut self, source: Ipv4Addr, destination: Ipv4Addr, )

Sets an IPv4 pseudo-header context for checksum calculation.

pub fn set_ipv6_checksum_context( &mut self, source: Ipv6Addr, destination: Ipv6Addr, )

Sets an IPv6 pseudo-header context for checksum calculation.

pub fn clear_checksum_context(&mut self)

Clears the configured pseudo-header context.

pub fn checksum_context(&self) -> Option<TransportChecksumContext>

Returns the currently configured pseudo-header context.

pub fn recompute_checksum(&mut self) -> Option<u16>

Recomputes the checksum using the configured pseudo-header context.

pub fn header_len(&self) -> usize

Returns the header length in bytes.

pub fn payload_len(&self) -> usize

Returns the payload length of the packet.

pub fn get_source(&self) -> u16

pub fn set_source(&mut self, value: u16)

pub fn get_destination(&self) -> u16

pub fn set_destination(&mut self, value: u16)

pub fn get_sequence(&self) -> u32

pub fn set_sequence(&mut self, value: u32)

pub fn get_acknowledgement(&self) -> u32

pub fn set_acknowledgement(&mut self, value: u32)

pub fn get_data_offset(&self) -> u8

pub fn set_data_offset(&mut self, offset: u8)

pub fn get_reserved(&self) -> u8

pub fn set_reserved(&mut self, value: u8)

pub fn get_flags(&self) -> u8

pub fn set_flags(&mut self, flags: u8)

pub fn get_window(&self) -> u16

pub fn set_window(&mut self, value: u16)

pub fn get_checksum(&self) -> u16

pub fn set_checksum(&mut self, value: u16)

pub fn get_urgent_ptr(&self) -> u16

pub fn set_urgent_ptr(&mut self, value: u16)

pub fn options(&self) -> &[u8]

pub fn options_mut(&mut self) -> &mut [u8]

Trait Implementations

impl<'a> MutablePacket<'a> for MutableTcpPacket<'a>

type Packet = TcpPacket

The immutable packet type associated with this mutable view.

fn new(buffer: &'a mut [u8]) -> Option<Self>

Construct a mutable packet from the provided buffer.

fn packet(&self) -> &[u8]

Get a shared view over the entire packet buffer.

fn packet_mut(&mut self) -> &mut [u8]

Get a mutable view over the entire packet buffer.

fn header(&self) -> &[u8]

Get the serialized header bytes of the packet.

fn header_mut(&mut self) -> &mut [u8]

Get a mutable view over the serialized header bytes of the packet.

fn payload(&self) -> &[u8]

Get the payload bytes of the packet.

fn payload_mut(&mut self) -> &mut [u8]

Get a mutable view over the payload bytes of the packet.

fn freeze(&self) -> Option<Self::Packet>

Convert the mutable packet into its immutable counterpart.