use crate::ddd::application::repository_factory::RepositoryFactory;
use crate::dofus::realm::application::action_handler::ActionHandler;
use crate::dofus::realm::application::realm::RealmError::ServerError;
use crate::dofus::realm::application::realm_config::RealmConfig;
use crate::dofus::realm::application::realm_handle::{RealmHandle, RealmMessage};
use crate::io::tcp::server::{TcpServer, BUFFER_SIZE};
use thiserror::Error;
use tokio::select;
use tokio::sync::mpsc;
#[derive(Error, Debug)]
pub enum RealmError {
#[error("Error while processing client request")]
ClientHandleError,
#[error("The server just returned the following error")]
ServerError,
}
pub fn start<T: RepositoryFactory + Send + 'static, E: ActionHandler + Send + 'static>(
config: RealmConfig,
repository_factory: T,
action_handler: E,
) -> RealmHandle {
let RealmConfig {
name: _,
address,
port,
} = config;
let (realm_sender, mut realm_receiver) = mpsc::channel(BUFFER_SIZE);
let realm_join = tokio::spawn(async move {
let (tcp_client_sender, mut tcp_client_receiver) = mpsc::channel(BUFFER_SIZE);
let (server_handle, mut server_join) = TcpServer::start(tcp_client_sender, address, port);
let mut error: Result<(), RealmError> = Ok(());
loop {
select! {
Some(action) = tcp_client_receiver.recv() => { if let Err(_msg) = &action_handler.handle(action, &repository_factory) {
error = Err(RealmError::ClientHandleError);
break
}}
Some(RealmMessage::Stop) = realm_receiver.recv() => {break} server_result = &mut server_join => {
if server_result.is_err() {
error = Err(ServerError);
break;
}
}
}
}
let _ = server_handle.stop(); match server_join.await {
Err(_) => error = Err(ServerError), Ok(Err(_)) => error = Err(ServerError), _ => {}
}
error
});
RealmHandle::new(realm_sender, realm_join)
}