Struct DnsInterceptor 

pub struct DnsInterceptor { /* private fields */ }

DNS query/response interceptor.

Owns the smoltcp UDP socket handle and channels to the async resolver task. The poll loop calls process() each iteration to:

1. Read pending queries from the smoltcp socket → send to resolver task.
2. Read resolved responses from the channel → write to smoltcp socket.

Implementations

impl DnsInterceptor

pub fn new( sockets: &mut SocketSet<'_>, dns_config: DnsConfig, shared: Arc<SharedState>, tokio_handle: &Handle, ) -> Self

Create the DNS interceptor.

Binds a smoltcp UDP socket to port 53, creates the channel pair, and spawns the background resolver task.

pub fn process(&mut self, sockets: &mut SocketSet<'_>)

Process DNS queries and responses.

Called by the poll loop each iteration:

1. Reads queries from the smoltcp socket → sends to resolver task.
2. Reads responses from the resolver → writes to smoltcp socket.