scaproust 0.3.2

Nanomsg scalability protocols implementation in rust. Various messaging patterns over pluggable transports
Documentation 
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// Copyright (c) 2015-2017 Contributors as noted in the AUTHORS file.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0>
// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
// This file may not be copied, modified, or distributed except according to those terms.

use std::fmt;
use std::io::Result;
use std::time::Duration;

use core::{EndpointId, EndpointSpec, Scheduled};
use core::network::Network;

pub trait Context : Network + Scheduler + fmt::Debug {
    fn raise(&mut self, evt: Event);
    fn check_send_ready_change(&mut self, was_ready: bool, is_ready: bool) {
        if was_ready != is_ready {
            self.raise(Event::CanSend(is_ready));
        }
    }
    fn check_recv_ready_change(&mut self, was_ready: bool, is_ready: bool) {
        if was_ready != is_ready {
            self.raise(Event::CanRecv(is_ready));
        }
    }
}

pub trait Scheduler {
    fn schedule(&mut self, schedulable: Schedulable, delay: Duration) -> Result<Scheduled>;
    fn cancel(&mut self, scheduled: Scheduled);
}

#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub enum Command {
    Poll
}

#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub enum Event {
    CanSend(bool),
    CanRecv(bool),
    Closed
}

pub enum Schedulable {
    Reconnect(EndpointId, EndpointSpec),
    Rebind(EndpointId, EndpointSpec),
    SendTimeout,
    RecvTimeout,
    ReqResend,
    SurveyCancel
}

impl fmt::Debug for Scheduled {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", self.0)
    }
}

impl From<usize> for Scheduled {
    fn from(value: usize) -> Scheduled {
        Scheduled(value)
    }
}

impl Into<usize> for Scheduled {
    fn into(self) -> usize {
        self.0
    }
}

impl<'x> Into<usize> for &'x Scheduled {
    fn into(self) -> usize {
        self.0
    }
}