Files
darkfi/example/dchat/src/protocol_dchat.rs
2023-06-29 16:13:43 +03:00

82 lines
2.7 KiB
Rust

/* This file is part of DarkFi (https://dark.fi)
*
* Copyright (C) 2020-2023 Dyne.org foundation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
// ANCHOR: protocol_dchat
use async_std::sync::Arc;
use async_trait::async_trait;
use darkfi::{net, Result};
use log::debug;
use smol::Executor;
use crate::dchatmsg::{DchatMsg, DchatMsgsBuffer};
pub struct ProtocolDchat {
jobsman: net::ProtocolJobsManagerPtr,
msg_sub: net::MessageSubscription<DchatMsg>,
msgs: DchatMsgsBuffer,
}
// ANCHOR_END: protocol_dchat
// ANCHOR: constructor
impl ProtocolDchat {
pub async fn init(channel: net::ChannelPtr, msgs: DchatMsgsBuffer) -> net::ProtocolBasePtr {
debug!(target: "dchat", "ProtocolDchat::init() [START]");
let message_subsytem = channel.message_subsystem();
message_subsytem.add_dispatch::<DchatMsg>().await;
let msg_sub =
channel.subscribe_msg::<DchatMsg>().await.expect("Missing DchatMsg dispatcher!");
Arc::new(Self {
jobsman: net::ProtocolJobsManager::new("ProtocolDchat", channel.clone()),
msg_sub,
msgs,
})
}
// ANCHOR_END: constructor
// ANCHOR: receive
async fn handle_receive_msg(self: Arc<Self>) -> Result<()> {
debug!(target: "dchat", "ProtocolDchat::handle_receive_msg() [START]");
while let Ok(msg) = self.msg_sub.receive().await {
let msg = (*msg).to_owned();
self.msgs.lock().await.push(msg);
}
Ok(())
}
// ANCHOR_END: receive
}
#[async_trait]
impl net::ProtocolBase for ProtocolDchat {
// ANCHOR: start
async fn start(self: Arc<Self>, executor: Arc<Executor<'_>>) -> Result<()> {
debug!(target: "dchat", "ProtocolDchat::ProtocolBase::start() [START]");
self.jobsman.clone().start(executor.clone());
self.jobsman.clone().spawn(self.clone().handle_receive_msg(), executor.clone()).await;
debug!(target: "dchat", "ProtocolDchat::ProtocolBase::start() [STOP]");
Ok(())
}
// ANCHOR_END: start
fn name(&self) -> &'static str {
"ProtocolDchat"
}
}