Struct PortPool 

pub struct PortPool { /* private fields */ }

Bitmap-based ephemeral port allocator for NAT

Manages ports in the range 49152-65535 using a compact bitmap. Each bit represents one port: 0 = free, 1 = allocated.

Implementations

impl PortPool

pub fn new() -> Self

Create a new port pool with all ports available

pub fn allocated(&self) -> u16

Number of ports currently allocated

pub fn available(&self) -> u16

Number of ports available

pub fn allocate(&mut self) -> Option<Port>

Allocate the next available port

Returns the allocated port number or None if pool is exhausted.

pub fn release(&mut self, port: Port) -> bool

Release a previously allocated port

pub fn is_allocated(&self, port: Port) -> bool

Check if a specific port is allocated

Trait Implementations

impl Default for PortPool

fn default() -> Self

Returns the “default value” for a type.