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::rc::Rc;
use std::io;
use std::fmt;

use mio::Ready;

use core::Message;
use transport::endpoint::*;

pub enum Command {
    Open,
    Close,
    Send(Rc<Message>),
    Recv
}

pub enum Event {
    Opened,
    Closed,
    CanSend(bool),
    CanRecv(bool),
    Sent,
    Received(Message),
    Error(io::Error)
}

pub trait Pipe {
    fn ready(&mut self, ctx: &mut Context, events: Ready);
    fn open(&mut self, ctx: &mut Context);
    fn close(&mut self, ctx: &mut Context);
    fn send(&mut self, ctx: &mut Context, msg: Rc<Message>);
    fn recv(&mut self, ctx: &mut Context);
}

pub trait Context : EndpointRegistrar + fmt::Debug {
    fn raise(&mut self, evt: Event);
}

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

impl Command {
    fn name(&self) -> &'static str {
        match *self {
            Command::Open    => "Open",
            Command::Close   => "Close",
            Command::Send(_) => "Send",
            Command::Recv    => "Recv"
        }
    }
}

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

impl Event {
    pub fn name(&self) -> &'static str {
        match *self {
            Event::Opened      => "Opened",
            Event::Closed      => "Closed",
            Event::CanSend(_)  => "CanSend",
            Event::CanRecv(_)  => "CanRecv",
            Event::Sent        => "Sent",
            Event::Received(_) => "Received",
            Event::Error(_)    => "Error",
        }
    }
}