Rollo

A multiplayer framework based on Rust.

• Tcp/Tls.
• Packet Manager (message command/payload).
• Game Loop (tick rate).
• Event Manager.
• Interval Manager.
• Dos protection/detection.

[dependencies]
rollo = { version = "0.1.0", features = ["full"] }

Example

use rollo::{
    async_trait,
    server::{
        dos_protection::DosPolicy,
        world::World,
        world_session::{SocketTools, WorldSession},
        world_socket_mgr::{ListenerSecurity, WorldSocketMgr},
    },
    tokio,
};

use std::sync::{
    atomic::{AtomicI64, Ordering},
    Arc,
};

#[tokio::main]
async fn main() {
    let world = Box::new(MyWorld {
        elapsed: AtomicI64::new(0),
    });
    let world = Box::leak(world);

    let mut socket_manager = WorldSocketMgr::new(world);
    socket_manager
        .start_game_loop(15)
        .start_network("127.0.0.1:6666", ListenerSecurity::Tcp)
        .await
        .unwrap();
}

struct MyWorld {
    elapsed: AtomicI64,
}

impl World for MyWorld {
    type WorldSessionimplementer = MyWorldSession;
    fn update(&'static self, _diff: i64) {}

    fn time(&self) -> i64 {
        self.elapsed.load(Ordering::Acquire)
    }

    fn update_time(&self, new_time: i64) {
        self.elapsed.store(new_time, Ordering::Release);
    }

    fn get_packet_limits(&self, _cmd: u16) -> (u16, u32, DosPolicy) {
        (10, 1024 * 10, DosPolicy::Log)
    }
}

struct MyWorldSession {
    socket_tools: SocketTools,
}

#[async_trait]
impl WorldSession<MyWorld> for MyWorldSession {
    async fn on_dos_trigger(_world_session: &Arc<Self>, _world: &'static MyWorld, _cmd: u16) {}

    async fn on_open(
        socket_tools: rollo::server::world_session::SocketTools,
        _world: &'static MyWorld,
    ) -> Result<std::sync::Arc<Self>, rollo::error::Error> {
        Ok(Arc::new(Self { socket_tools }))
    }

    fn socket_tools(&self) -> &rollo::server::world_session::SocketTools {
        &self.socket_tools
    }

    async fn on_message(
        _world_session: &std::sync::Arc<Self>,
        _world: &'static MyWorld,
        _packet: rollo::packet::Packet,
    ) {
    }

    async fn on_close(_world_session: &std::sync::Arc<Self>, _world: &'static MyWorld) {}
}

Packet composition

[Payload size(u32), Command(u16), payload(x)]