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|
pub mod pb {
tonic::include_proto!("grpc.planetwars.bot_api");
}
use clap::Parser;
use pb::bot_api_service_client::BotApiServiceClient;
use planetwars_matchrunner::bot_runner::Bot;
use serde::Deserialize;
use std::{path::PathBuf, time::Duration};
use tokio::sync::mpsc;
use tokio_stream::wrappers::UnboundedReceiverStream;
use tonic::{metadata::MetadataValue, transport::Channel, Request, Status};
#[derive(clap::Parser)]
struct PlayMatch {
#[clap(value_parser)]
bot_config_path: String,
#[clap(value_parser)]
opponent_name: String,
#[clap(
value_parser,
long,
default_value = "https://planetwars.dev:7492",
env = "PLANETWARS_GRPC_SERVER_URL"
)]
grpc_server_url: String,
}
#[derive(Deserialize)]
struct BotConfig {
#[allow(dead_code)]
name: String,
command: Vec<String>,
}
#[tokio::main]
async fn main() {
let play_match = PlayMatch::parse();
let content = std::fs::read_to_string(play_match.bot_config_path).unwrap();
let bot_config: BotConfig = toml::from_str(&content).unwrap();
let uri = play_match
.grpc_server_url
.parse()
.expect("invalid grpc url");
let channel = Channel::builder(uri).connect().await.unwrap();
let created_match = create_match(channel.clone(), play_match.opponent_name)
.await
.unwrap();
run_player(bot_config, created_match.player_key, channel).await;
println!(
"Match completed. Watch the replay at {}",
created_match.match_url
);
tokio::time::sleep(Duration::from_secs(1)).await;
}
async fn create_match(channel: Channel, opponent_name: String) -> Result<pb::CreatedMatch, Status> {
let mut client = BotApiServiceClient::new(channel);
let res = client
.create_match(Request::new(pb::MatchRequest { opponent_name }))
.await;
res.map(|response| response.into_inner())
}
async fn run_player(bot_config: BotConfig, player_key: String, channel: Channel) {
let mut client = BotApiServiceClient::with_interceptor(channel, |mut req: Request<()>| {
let player_key: MetadataValue<_> = player_key.parse().unwrap();
req.metadata_mut().insert("player_key", player_key);
Ok(req)
});
let mut bot_process = Bot {
working_dir: PathBuf::from("."),
argv: bot_config.command,
}
.spawn_process();
let (tx, rx) = mpsc::unbounded_channel();
let mut stream = client
.connect_player(UnboundedReceiverStream::new(rx))
.await
.unwrap()
.into_inner();
while let Some(message) = stream.message().await.unwrap() {
use pb::client_message::ClientMessage;
use pb::server_message::ServerMessage;
match message.server_message {
Some(ServerMessage::PlayerRequest(req)) => {
let moves = bot_process.communicate(&req.content).await.unwrap();
let resp = pb::PlayerRequestResponse {
request_id: req.request_id,
content: moves.as_bytes().to_vec(),
};
let msg = pb::ClientMessage {
client_message: Some(ClientMessage::RequestResponse(resp)),
};
tx.send(msg).unwrap();
}
_ => {} // pass
}
}
}
|
