152 lines
4.1 KiB
Rust
152 lines
4.1 KiB
Rust
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use crate::dart_serialize::*;
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pub use allo_isolate::ffi::DartCObject;
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pub use allo_isolate::IntoDart;
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use allo_isolate::Isolate;
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use core::future::Future;
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use parking_lot::Mutex;
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use serde::*;
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use std::sync::Arc;
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#[derive(Clone)]
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pub struct DartIsolateWrapper {
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isolate: Isolate,
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}
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const MESSAGE_OK: i32 = 0;
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const MESSAGE_ERR: i32 = 1;
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const MESSAGE_OK_JSON: i32 = 2;
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const MESSAGE_ERR_JSON: i32 = 3;
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const MESSAGE_STREAM_ITEM: i32 = 4;
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const MESSAGE_STREAM_ITEM_JSON: i32 = 5;
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const MESSAGE_STREAM_ABORT: i32 = 6;
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const MESSAGE_STREAM_ABORT_JSON: i32 = 7;
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const MESSAGE_STREAM_CLOSE: i32 = 8;
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impl DartIsolateWrapper {
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pub fn new(port: i64) -> Self {
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DartIsolateWrapper {
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isolate: Isolate::new(port),
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}
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}
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pub fn spawn_result_json<F, T, E>(self, future: F)
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where
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F: Future<Output = Result<T, E>> + Send + 'static,
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T: Serialize,
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E: Serialize,
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{
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async_std::task::spawn(async move {
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self.result_json(future.await);
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});
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}
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pub fn result<T: IntoDart, E: IntoDart>(&self, result: Result<T, E>) -> bool {
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match result {
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Ok(v) => self.ok(v),
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Err(e) => self.err(e),
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}
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}
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pub fn result_json<T: Serialize, E: Serialize>(&self, result: Result<T, E>) -> bool {
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match result {
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Ok(v) => self.ok_json(v),
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Err(e) => self.err_json(e),
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}
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}
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pub fn ok<T: IntoDart>(&self, value: T) -> bool {
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self.isolate
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.post(vec![MESSAGE_OK.into_dart(), value.into_dart()])
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}
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pub fn ok_json<T: Serialize>(&self, value: T) -> bool {
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self.isolate.post(vec![
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MESSAGE_OK_JSON.into_dart(),
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serialize_json(value).into_dart(),
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])
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}
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pub fn err<E: IntoDart>(&self, error: E) -> bool {
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self.isolate
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.post(vec![MESSAGE_ERR.into_dart(), error.into_dart()])
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}
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pub fn err_json<E: Serialize>(&self, error: E) -> bool {
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self.isolate.post(vec![
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MESSAGE_ERR_JSON.into_dart(),
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serialize_json(error).into_dart(),
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])
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}
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}
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#[derive(Clone)]
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pub struct DartIsolateStream {
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isolate: Arc<Mutex<Option<Isolate>>>,
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}
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impl DartIsolateStream {
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pub fn new(port: i64) -> Self {
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DartIsolateStream {
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isolate: Arc::new(Mutex::new(Some(Isolate::new(port)))),
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}
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}
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pub fn item<T: IntoDart>(&self, value: T) -> bool {
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let isolate = self.isolate.lock();
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if let Some(isolate) = &*isolate {
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isolate.post(vec![MESSAGE_STREAM_ITEM.into_dart(), value.into_dart()])
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} else {
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false
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}
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}
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pub fn item_json<T: Serialize>(&self, value: T) -> bool {
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let isolate = self.isolate.lock();
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if let Some(isolate) = &*isolate {
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isolate.post(vec![
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MESSAGE_STREAM_ITEM_JSON.into_dart(),
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serialize_json(value).into_dart(),
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])
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} else {
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false
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}
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}
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pub fn abort<E: IntoDart>(self, error: E) -> bool {
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let mut isolate = self.isolate.lock();
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if let Some(isolate) = isolate.take() {
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isolate.post(vec![MESSAGE_STREAM_ABORT.into_dart(), error.into_dart()])
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} else {
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false
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}
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}
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pub fn abort_json<E: Serialize>(self, error: E) -> bool {
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let mut isolate = self.isolate.lock();
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if let Some(isolate) = isolate.take() {
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isolate.post(vec![
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MESSAGE_STREAM_ABORT_JSON.into_dart(),
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serialize_json(error).into_dart(),
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])
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} else {
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false
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}
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}
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pub fn close(self) -> bool {
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let mut isolate = self.isolate.lock();
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if let Some(isolate) = isolate.take() {
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isolate.post(vec![MESSAGE_STREAM_CLOSE.into_dart()])
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} else {
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false
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}
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}
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}
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impl Drop for DartIsolateStream {
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fn drop(&mut self) {
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let mut isolate = self.isolate.lock();
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if let Some(isolate) = isolate.take() {
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isolate.post(vec![MESSAGE_STREAM_CLOSE.into_dart()]);
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}
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}
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}
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