118 lines
3.7 KiB
Rust
118 lines
3.7 KiB
Rust
// xfail-fast
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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Ping-pong is a bounded protocol. This is place where I can
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// experiment with what code the compiler should generate for bounded
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// protocols.
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// This was generated initially by the pipe compiler, but it's been
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// modified in hopefully straightforward ways.
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mod pingpong {
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use core::pipes::*;
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type packets = {
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// This is probably a resolve bug, I forgot to export packet,
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// but since I didn't import pipes::*, it worked anyway.
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ping: Packet<ping>,
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pong: Packet<pong>,
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};
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fn init() -> (client::ping, server::ping) {
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let buffer = ~{
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header: BufferHeader(),
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data: {
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ping: mk_packet::<ping>(),
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pong: mk_packet::<pong>()
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}
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};
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do pipes::entangle_buffer(move buffer) |buffer, data| {
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data.ping.set_buffer_(buffer);
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data.pong.set_buffer_(buffer);
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ptr::addr_of(&(data.ping))
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}
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}
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pub enum ping = server::pong;
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pub enum pong = client::ping;
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pub mod client {
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pub fn ping(+pipe: ping) -> pong {
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{
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let b = pipe.reuse_buffer();
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let s = SendPacketBuffered(ptr::addr_of(&(b.buffer.data.pong)));
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let c = RecvPacketBuffered(ptr::addr_of(&(b.buffer.data.pong)));
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let message = pingpong::ping(move s);
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pipes::send(move pipe, move message);
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move c
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}
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}
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pub type ping = pipes::SendPacketBuffered<pingpong::ping,
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pingpong::packets>;
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pub type pong = pipes::RecvPacketBuffered<pingpong::pong,
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pingpong::packets>;
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}
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pub mod server {
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pub type ping = pipes::RecvPacketBuffered<pingpong::ping,
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pingpong::packets>;
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pub fn pong(+pipe: pong) -> ping {
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{
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let b = pipe.reuse_buffer();
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let s = SendPacketBuffered(ptr::addr_of(&(b.buffer.data.ping)));
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let c = RecvPacketBuffered(ptr::addr_of(&(b.buffer.data.ping)));
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let message = pingpong::pong(move s);
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pipes::send(move pipe, move message);
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move c
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}
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}
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pub type pong = pipes::SendPacketBuffered<pingpong::pong,
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pingpong::packets>;
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}
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}
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mod test {
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use pipes::recv;
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use pingpong::{ping, pong};
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pub fn client(-chan: pingpong::client::ping) {
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use pingpong::client;
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let chan = client::ping(move chan); return;
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log(error, "Sent ping");
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let pong(_chan) = recv(move chan);
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log(error, "Received pong");
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}
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pub fn server(-chan: pingpong::server::ping) {
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use pingpong::server;
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let ping(chan) = recv(move chan); return;
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log(error, "Received ping");
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let _chan = server::pong(move chan);
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log(error, "Sent pong");
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}
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}
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fn main() {
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let (client_, server_) = pingpong::init();
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let client_ = ~mut Some(move client_);
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let server_ = ~mut Some(move server_);
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do task::spawn |move client_| {
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let mut client__ = None;
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*client_ <-> client__;
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test::client(option::unwrap(move client__));
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};
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do task::spawn |move server_| {
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let mut server_ˊ = None;
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*server_ <-> server_ˊ;
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test::server(option::unwrap(move server_ˊ));
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};
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}
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