2017-02-25 20:38:09 -06:00

135 lines
3.7 KiB
Rust

extern crate toml;
extern crate crossbeam;
extern crate discord;
extern crate rand;
extern crate pvn;
extern crate echobox;
use std::collections::BTreeMap;
use toml::Table;
mod modules;
use modules::Module;
use modules::loader::{ModuleLoader, ModuleLoaderError};
mod event;
use event::Envelope;
use std::sync::Arc;
use std::sync::mpsc;
use std::sync::mpsc::Sender;
mod helpers;
#[macro_use]
extern crate log;
pub struct Tenquestionmarks {
modules: BTreeMap<String, Box<Module>>
}
impl Tenquestionmarks {
pub fn with_modules (modules: BTreeMap<String, Box<Module>>) -> Tenquestionmarks {
let tqm = Tenquestionmarks {
modules: modules
};
for (_, module) in &tqm.modules {
module.register(&tqm);
}
tqm
}
pub fn from_configuration (configuration: Table) -> Result<Tenquestionmarks, ModuleLoaderError> {
let loader = ModuleLoader::new();
let modules = loader.load_from_configuration(configuration)?;
Result::Ok(Tenquestionmarks::with_modules(modules))
}
pub fn run (&self) {
crossbeam::scope(|scope| {
// Our main event channel.
// Modules push events to tenquestionmarks using this channel.
let (ref main_sender, ref main_receiver) = mpsc::channel();
// Module threads.
// Each Module will produce events which tenquestionmarks will push
// into all other Modules.
// tenquestionmarks propagates all events to each Module through these
// channels.
let module_senders: BTreeMap<&str, Sender<Arc<Envelope>>> = self.modules.iter().map(|(key, module)| {
let main_sender_clone = main_sender.clone();
let (module_sender, module_receiver) = mpsc::channel();
info!("Spawning thread for \"{}\"", key);
scope.spawn(move || {
module.run(main_sender_clone, module_receiver);
info!("Thread for \"{}\" is exiting", key);
});
(&key[..], module_sender)
}).collect();
// tenquestionmarks main event loop.
// tenquestionmarks receives events produced by Modules and pushes them
// into all other Modules
loop {
match main_receiver.recv() {
Ok(envelope) => {
let arc_envelope = Arc::new(envelope);
for (key, sender) in &module_senders {
match sender.send(arc_envelope.clone()) {
Err(err) => debug!("Failed to dispatch event to module \"{}\": {:?}", key, err),
Ok(_) => {}
}
}
},
Err(err) => { error!("Failed to receive event in main event loop: {:?}", err); }
}
}
});
}
}
pub struct Message {
content: String,
author: User,
channel: Option<Channel>
}
impl Message {
fn reply (&self, message: &str) {
match self.channel {
Some(ref channel) => channel.send(message),
None => self.author.send(message)
}
}
}
pub struct Channel {
name: String,
description: String,
topic: String,
sender: Box<MessageSender>
}
impl Channel {
pub fn send (&self, message: &str) {
self.sender.send_message(message);
}
}
pub struct User {
name: String,
sender: Box<MessageSender>
}
impl User {
pub fn send (&self, message: &str) {
self.sender.send_message(message);
}
}
pub trait MessageSender : Sync + Send {
fn send_message (&self, _: &str) {}
}