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use std::fmt;
use std::mem;
pub trait SockAddr : Clone + Send + 'static {
type SockAddr : ?Sized;
fn as_ref(&self) -> &Self::SockAddr;
unsafe fn as_mut(&mut self) -> &mut Self::SockAddr;
fn capacity(&self) -> usize;
fn size(&self) -> usize;
unsafe fn resize(&mut self, size: usize);
}
pub trait Endpoint<P> : SockAddr {
fn protocol(&self) -> P;
}
pub trait Protocol : fmt::Debug + Clone + Send + 'static {
type Endpoint : Endpoint<Self>;
fn family_type(&self) -> i32;
fn socket_type(&self) -> i32;
fn protocol_type(&self) -> i32;
unsafe fn uninitialized(&self) -> Self::Endpoint;
}
pub trait IoControl {
type Data;
#[cfg(unix)] fn name(&self) -> u64;
#[cfg(windows)] fn name(&self) -> i32;
fn data(&mut self) -> &mut Self::Data;
}
pub trait SocketOption<P> {
type Data;
fn level(&self, pro: &P) -> i32;
fn name(&self, pro: &P) -> i32;
}
pub trait GetSocketOption<P> : SocketOption<P> + Default {
fn capacity(&self) -> usize {
mem::size_of::<Self::Data>()
}
fn data_mut(&mut self) -> &mut Self::Data;
fn resize(&mut self, _size: usize) {
}
}
pub trait SetSocketOption<P> : SocketOption<P> {
fn data(&self) -> &Self::Data;
fn size(&self) -> usize {
mem::size_of::<Self::Data>()
}
}