use crate::api_capnp::service;
use crate::service::remote::RemoteTrustlessService;
use crate::service::ServiceResult;
use capnp_rpc::{rpc_twoparty_capnp, twoparty, RpcSystem};
use futures::{AsyncReadExt, FutureExt};
use std::path::PathBuf;
use tokio::net::UnixStream;
use tokio::runtime::Builder;
use tokio::task::{self, LocalSet};
pub fn daemon_socket_path() -> PathBuf {
dirs::runtime_dir()
.map(|r| r.join("t-rust-less.socket"))
.unwrap_or_else(|| {
dirs::home_dir()
.unwrap_or_else(|| PathBuf::from("."))
.join(".t-rust-less-socket")
})
}
pub fn try_remote_service() -> ServiceResult<Option<RemoteTrustlessService>> {
let socket_path = daemon_socket_path();
if !socket_path.exists() {
return Ok(None);
}
let mut rt = Builder::new().basic_scheduler().enable_all().build().unwrap();
let local_set = LocalSet::new();
let client: ServiceResult<service::Client> = local_set.block_on(&mut rt, async move {
let stream = UnixStream::connect(socket_path).await?;
let (reader, writer) = tokio_util::compat::Tokio02AsyncReadCompatExt::compat(stream).split();
let network = Box::new(twoparty::VatNetwork::new(
reader,
writer,
rpc_twoparty_capnp::Side::Client,
Default::default(),
));
let mut rpc_system = RpcSystem::new(network, None);
let client: service::Client = rpc_system.bootstrap(rpc_twoparty_capnp::Side::Server);
task::spawn_local(Box::pin(rpc_system.map(|_| ())));
Ok(client)
});
Ok(Some(RemoteTrustlessService::new(client?, rt, local_set)))
}