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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
//! This actor is used for protocol purposes, it forwards the reflow events to clients.
use std::sync::Arc;
use malloc_size_of_derive::MallocSizeOf;
use serde_json::{Map, Value};
use crate::actor::{Actor, ActorError, ActorRegistry, new_actor_name};
use crate::protocol::ClientRequest;
use crate::{EmptyReplyMsg, StreamId};
#[derive(MallocSizeOf)]
pub(crate) struct ReflowActor {
name: String,
}
impl Actor for ReflowActor {
fn name(&self) -> &str {
&self.name
}
/// The reflow actor can handle the following messages:
///
/// - `start`: Does nothing yet. This doesn't need a reply like other messages.
fn handle_message(
&self,
request: ClientRequest,
_registry: &ActorRegistry,
msg_type: &str,
_msg: &Map<String, Value>,
_id: StreamId,
) -> Result<(), ActorError> {
match msg_type {
"start" => {
// TODO: Create an observer on "reflows" events
let msg = EmptyReplyMsg {
from: self.name().into(),
};
request.reply_final(&msg)?
},
_ => return Err(ActorError::UnrecognizedPacketType),
};
Ok(())
}
}
impl ReflowActor {
pub fn register(registry: &ActorRegistry) -> Arc<Self> {
let name = new_actor_name::<Self>();
let actor = Self { name };
registry.register::<Self>(actor)
}
}