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// Copyright 2019-2021 Parity Technologies (UK) Ltd.
//
// Permission is hereby granted, free of charge, to any
// person obtaining a copy of this software and associated
// documentation files (the "Software"), to deal in the
// Software without restriction, including without
// limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice
// shall be included in all copies or substantial portions
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
// IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
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use jsonrpsee::{
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http_server::{HttpServerBuilder, HttpStopHandle},
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types::Error,
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ws_server::{WsServerBuilder, WsStopHandle},
RpcModule,
};
use std::net::SocketAddr;
use std::time::Duration;
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pub async fn websocket_server_with_subscription() -> (SocketAddr, WsStopHandle) {
let server = WsServerBuilder::default().build("127.0.0.1:0").await.unwrap();
let mut module = RpcModule::new(());
module.register_method("say_hello", |_, _| Ok("hello")).unwrap();
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module
.register_subscription("subscribe_hello", "unsubscribe_hello", |_, mut sink, _| {
std::thread::spawn(move || loop {
if let Err(Error::SubscriptionClosed(_)) = sink.send(&"hello from subscription") {
break;
}
std::thread::sleep(Duration::from_millis(50));
});
Ok(())
})
.unwrap();
module
.register_subscription("subscribe_foo", "unsubscribe_foo", |_, mut sink, _| {
std::thread::spawn(move || loop {
if let Err(Error::SubscriptionClosed(_)) = sink.send(&1337) {
break;
}
std::thread::sleep(Duration::from_millis(100));
});
Ok(())
})
.unwrap();
module
.register_subscription("subscribe_add_one", "unsubscribe_add_one", |params, mut sink, _| {
let mut count: usize = params.one()?;
std::thread::spawn(move || loop {
count = count.wrapping_add(1);
if let Err(Error::SubscriptionClosed(_)) = sink.send(&count) {
break;
}
std::thread::sleep(Duration::from_millis(100));
});
Ok(())
})
.unwrap();
module
.register_subscription("subscribe_noop", "unsubscribe_noop", |_, mut sink, _| {
std::thread::spawn(move || {
std::thread::sleep(Duration::from_secs(1));
sink.close("Server closed the stream because it was lazy".into())
});
Ok(())
})
.unwrap();
let addr = server.local_addr().unwrap();
let stop_handle = server.start(module).unwrap();
let server = WsServerBuilder::default().build("127.0.0.1:0").await.unwrap();
let mut module = RpcModule::new(());
module.register_method("say_hello", |_, _| Ok("hello")).unwrap();
module
.register_async_method("slow_hello", |_, _| async {
tokio::time::sleep(std::time::Duration::from_secs(1)).await;
Ok("hello")
})
.unwrap();
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pub async fn http_server() -> (SocketAddr, HttpStopHandle) {
let server = HttpServerBuilder::default().build("127.0.0.1:0".parse().unwrap()).unwrap();
module.register_method("say_hello", |_, _| Ok("hello")).unwrap();
module.register_method("notif", |_, _| Ok("")).unwrap();
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let handle = server.start(module).unwrap();
(addr, handle)