Trait PacketBuilder 

pub trait PacketBuilder {
    type Output;

    // Required method
    fn build(self) -> Self::Output;
}

Common interface for all packet builders.

This is the Template Method pattern: every builder follows the same high-level construction sequence (validate → assemble header → seal checksum → append payload), but customizes the concrete steps via its own field values and the checksum helpers (seal_internet_checksum and seal_transport_checksum).

Template sequence

1. Validate — reject field values that violate protocol constraints
2. Assemble header — write fixed and variable fields into the buffer
3. Seal checksum — zero the checksum field, compute, write back
4. Append payload — attach the user-supplied payload bytes
5. Return — hand back the complete Vec<u8> packet

Required Associated Types

type Output

The final assembled output (typically Vec<u8>).

Required Methods

fn build(self) -> Self::Output

Execute the construction template and return the assembled packet.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl PacketBuilder for EthernetPacketBuilder

type Output = Vec<u8>

impl PacketBuilder for IcmpPacketBuilder

type Output = Vec<u8>

impl PacketBuilder for IgmpPacketBuilder

type Output = Vec<u8>

impl PacketBuilder for Ipv4PacketBuilder

type Output = Vec<u8>