surma
8542b9fcb8
Blank stdout lines give no warning. core.exit requests the exit in its own handler.
36 lines
1.3 KiB
Rust
36 lines
1.3 KiB
Rust
//! Native plugin futures and their process context.
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use crate::{Host, RpcResult};
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use serde_json::{Value, json};
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use std::{future::Future, pin::Pin, sync::Arc};
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use uuid::Uuid;
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/// The cancellable future of a native process.
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pub type NativeFuture = Pin<Box<dyn Future<Output = RpcResult> + Send>>;
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/// A handler for the methods of one native plugin.
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pub type NativePlugin = Arc<dyn Fn(NativeContext, String, Value) -> NativeFuture + Send + Sync>;
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#[derive(Clone)]
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/// The process identity and host access supplied to a native handler.
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pub struct NativeContext {
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/// The host that owns this native process.
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pub host: Host,
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/// The ID assigned to this native process.
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pub pid: String,
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}
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impl NativeContext {
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/// Make an outgoing call with this native process as its caller.
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pub async fn call(&self, method: &str, params: Value) -> RpcResult {
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self.host
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.route(
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self.pid.clone(),
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Some(json!(Uuid::now_v7().to_string())),
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method.into(),
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params,
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false,
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)
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.await
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}
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/// Send progress to this process's caller while its call remains unanswered.
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pub fn notify(&self, name: &str, params: Value) {
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self.host.notify(&self.pid, name, params);
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}
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}
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