gameServer2/src/server/server.rs
author unc0rr
Tue, 24 Jan 2017 20:28:16 +0300
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use slab;
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use mio::tcp::*;
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use mio::*;
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use std::io;
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use utils;
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use server::client::HWClient;
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use server::actions::Action;
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use super::handlers;
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type Slab<T> = slab::Slab<T, Token>;
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pub struct HWServer {
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    listener: TcpListener,
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    pub clients: Slab<HWClient>,
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    pub rooms: Slab<HWRoom>,
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    pub lobby_id: Token,
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}
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impl HWServer {
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    pub fn new(listener: TcpListener, clients_limit: usize, rooms_limit: usize) -> HWServer {
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        let mut rooms = Slab::with_capacity(rooms_limit);
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        let token = rooms.insert(HWRoom::new()).ok().expect("Cannot create lobby");
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        HWServer {
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            listener: listener,
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            clients: Slab::with_capacity(clients_limit),
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            rooms: rooms,
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            lobby_id: token,
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        }
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    }
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    pub fn register(&self, poll: &Poll) -> io::Result<()> {
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        poll.register(&self.listener, utils::SERVER, Ready::readable(),
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                      PollOpt::edge())
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    }
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    pub fn accept(&mut self, poll: &Poll) -> io::Result<()> {
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        let (sock, addr) = self.listener.accept()?;
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        info!("Connected: {}", addr);
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        let client = HWClient::new(sock, &self.lobby_id);
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        let token = self.clients.insert(client)
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            .ok().expect("could not add connection to slab");
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        self.clients[token].register(poll, token);
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        Ok(())
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    }
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    pub fn client_readable(&mut self, poll: &Poll,
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                           token: Token) -> io::Result<()> {
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        let actions;
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        {
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            actions = self.clients[token].readable(poll);
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        }
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        self.react(token, poll, actions);
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        Ok(())
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    }
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    pub fn client_writable(&mut self, poll: &Poll,
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                           token: Token) -> io::Result<()> {
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        self.clients[token].writable(poll)?;
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        Ok(())
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    }
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    pub fn client_error(&mut self, poll: &Poll,
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                           token: Token) -> io::Result<()> {
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        let actions;
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        {
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            actions = self.clients[token].error(poll);
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        }
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        self.react(token, poll, actions);
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        Ok(())
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    }
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    pub fn send(&mut self, token: Token, msg: &String) {
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        self.clients[token].send_string(msg);
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    }
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    pub fn react(&mut self, token: Token, poll: &Poll, actions: Vec<Action>) {
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        for action in actions {
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            handlers::handle(self, token, poll, action);
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        }
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    }
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}
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pub struct HWRoom {
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    pub name: String,
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}
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impl HWRoom {
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    pub fn new() -> HWRoom {
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        HWRoom {
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            name: String::new(),
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        }
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    }
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}