mirror of
https://github.com/lune-org/lune.git
synced 2024-12-13 13:30:38 +00:00
Clean up boilerplate in task lib implementation
This commit is contained in:
Filip Tibell
parent
f2c9213e3e
commit
eea1e65c07
1 changed files with 107 additions and 141 deletions
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@ -6,6 +6,7 @@ use std::{
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};
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use mlua::prelude::*;
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use smol::prelude::*;
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use smol::{channel::Sender, LocalExecutor, Timer};
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use crate::{utils::table_builder::TableBuilder, LuneMessage};
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@ -34,6 +35,49 @@ fn tof_to_thread<'a>(lua: &'a Lua, tof: LuaValue<'a>) -> LuaResult<LuaThread<'a>
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}
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}
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async fn run_registered_task(
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lua: &Lua,
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to_run: impl Future<Output = LuaResult<()>> + 'static,
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run_in_background: bool,
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) -> LuaResult<()> {
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// Fetch global references to task executor & message sender
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let exec = lua
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.app_data_ref::<Weak<LocalExecutor>>()
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.unwrap()
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.upgrade()
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.unwrap();
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let sender = lua
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.app_data_ref::<Weak<Sender<LuneMessage>>>()
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.unwrap()
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.upgrade()
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.unwrap();
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// Send a message that we have started our task
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sender
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.send(LuneMessage::Spawned)
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.await
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.map_err(LuaError::external)?;
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// Run the new task separately from the current one using the executor
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// FIXME: This should run the task instantly and only stop at the first yield
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let sender = sender.clone();
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let task = exec.spawn(async move {
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sender
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.send(match to_run.await {
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Ok(_) => LuneMessage::Finished,
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Err(e) => LuneMessage::LuaError(e),
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})
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.await
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});
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// Wait for the task to complete OR let it run in the background
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// Any lua errors will be sent through the message channel back
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// to the main thread which will then handle them properly
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if run_in_background {
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task.detach();
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Ok(())
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} else {
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task.await.map_err(LuaError::external)
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}
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}
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async fn task_cancel<'a>(lua: &'a Lua, thread: LuaThread<'a>) -> LuaResult<()> {
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let coroutine: LuaTable = lua.globals().raw_get("coroutine")?;
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let close: LuaFunction = coroutine.raw_get("close")?;
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@ -41,168 +85,90 @@ async fn task_cancel<'a>(lua: &'a Lua, thread: LuaThread<'a>) -> LuaResult<()> {
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Ok(())
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}
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async fn task_defer<'a>(task_lua: &'a Lua, tof: LuaValue<'a>) -> LuaResult<LuaThread<'a>> {
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// Boilerplate to get arc-ed lua & async executor
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let lua = task_lua
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.app_data_ref::<Weak<Lua>>()
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.unwrap()
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.upgrade()
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.unwrap();
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let exec = task_lua
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.app_data_ref::<Weak<LocalExecutor>>()
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.unwrap()
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.upgrade()
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.unwrap();
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let sender = task_lua
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.app_data_ref::<Weak<Sender<LuneMessage>>>()
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.unwrap()
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.upgrade()
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.unwrap();
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// Spawn a new detached thread
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sender
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.send(LuneMessage::Spawned)
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.await
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.map_err(LuaError::external)?;
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let thread = tof_to_thread(&lua, tof)?;
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let thread_key = lua.create_registry_value(thread)?;
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let thread_to_return = task_lua.registry_value(&thread_key)?;
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let thread_sender = sender.clone();
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exec.spawn(async move {
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let result = async {
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task_wait(&lua, None).await?;
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let thread = lua.registry_value::<LuaThread>(&thread_key)?;
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async fn task_defer<'a>(lua: &'a Lua, tof: LuaValue<'a>) -> LuaResult<LuaThread<'a>> {
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// Spawn a new detached task using a lua reference that we can use inside of our task
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let task_lua = lua.app_data_ref::<Weak<Lua>>().unwrap().upgrade().unwrap();
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let task_thread = tof_to_thread(lua, tof)?;
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let task_thread_key = lua.create_registry_value(task_thread)?;
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let lua_thread_to_return = lua.registry_value(&task_thread_key)?;
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run_registered_task(
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lua,
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async move {
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task_wait(&task_lua, None).await?;
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let thread = task_lua.registry_value::<LuaThread>(&task_thread_key)?;
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if thread.status() == LuaThreadStatus::Resumable {
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thread.into_async::<_, LuaMultiValue>(()).await?;
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}
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Ok::<_, LuaError>(())
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};
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thread_sender
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.send(match result.await {
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Ok(_) => LuneMessage::Finished,
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Err(e) => LuneMessage::LuaError(e),
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})
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.await
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})
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.detach();
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Ok(thread_to_return)
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Ok(())
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},
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true,
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)
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.await?;
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Ok(lua_thread_to_return)
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}
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async fn task_delay<'a>(
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task_lua: &'a Lua,
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lua: &'a Lua,
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(duration, tof): (Option<f32>, LuaValue<'a>),
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) -> LuaResult<LuaThread<'a>> {
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// Boilerplate to get arc-ed lua & async executor
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let lua = task_lua
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.app_data_ref::<Weak<Lua>>()
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.unwrap()
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.upgrade()
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.unwrap();
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let exec = task_lua
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.app_data_ref::<Weak<LocalExecutor>>()
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.unwrap()
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.upgrade()
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.unwrap();
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let sender = task_lua
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.app_data_ref::<Weak<Sender<LuneMessage>>>()
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.unwrap()
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.upgrade()
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.unwrap();
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// Spawn a new detached thread
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sender
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.send(LuneMessage::Spawned)
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.await
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.map_err(LuaError::external)?;
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let thread = tof_to_thread(&lua, tof)?;
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let thread_key = lua.create_registry_value(thread)?;
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let thread_to_return = task_lua.registry_value(&thread_key)?;
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let thread_sender = sender.clone();
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exec.spawn(async move {
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let result = async {
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task_wait(&lua, duration).await?;
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let thread = lua.registry_value::<LuaThread>(&thread_key)?;
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// Spawn a new detached task using a lua reference that we can use inside of our task
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let task_lua = lua.app_data_ref::<Weak<Lua>>().unwrap().upgrade().unwrap();
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let task_thread = tof_to_thread(lua, tof)?;
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let task_thread_key = lua.create_registry_value(task_thread)?;
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let lua_thread_to_return = lua.registry_value(&task_thread_key)?;
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run_registered_task(
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lua,
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async move {
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task_wait(&task_lua, duration).await?;
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let thread = task_lua.registry_value::<LuaThread>(&task_thread_key)?;
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if thread.status() == LuaThreadStatus::Resumable {
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thread.into_async::<_, LuaMultiValue>(()).await?;
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}
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Ok::<_, LuaError>(())
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};
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thread_sender
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.send(match result.await {
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Ok(_) => LuneMessage::Finished,
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Err(e) => LuneMessage::LuaError(e),
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})
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.await
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})
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.detach();
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Ok(thread_to_return)
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Ok(())
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},
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true,
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)
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.await?;
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Ok(lua_thread_to_return)
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}
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async fn task_spawn<'a>(task_lua: &'a Lua, tof: LuaValue<'a>) -> LuaResult<LuaThread<'a>> {
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// Boilerplate to get arc-ed lua & async executor
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let lua = task_lua
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.app_data_ref::<Weak<Lua>>()
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.unwrap()
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.upgrade()
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.unwrap();
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let exec = task_lua
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.app_data_ref::<Weak<LocalExecutor>>()
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.unwrap()
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.upgrade()
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.unwrap();
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let sender = task_lua
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.app_data_ref::<Weak<Sender<LuneMessage>>>()
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.unwrap()
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.upgrade()
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.unwrap();
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// Spawn a new detached thread
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sender
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.send(LuneMessage::Spawned)
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.await
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.map_err(LuaError::external)?;
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let thread = tof_to_thread(&lua, tof)?;
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let thread_key = lua.create_registry_value(thread)?;
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let thread_to_return = task_lua.registry_value(&thread_key)?;
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let thread_sender = sender.clone();
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// FIXME: This does not run the thread instantly
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exec.spawn(async move {
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let result = async {
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let thread = lua.registry_value::<LuaThread>(&thread_key)?;
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async fn task_spawn<'a>(lua: &'a Lua, tof: LuaValue<'a>) -> LuaResult<LuaThread<'a>> {
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// Spawn a new detached task using a lua reference that we can use inside of our task
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let task_lua = lua.app_data_ref::<Weak<Lua>>().unwrap().upgrade().unwrap();
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let task_thread = tof_to_thread(lua, tof)?;
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let task_thread_key = lua.create_registry_value(task_thread)?;
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let lua_thread_to_return = lua.registry_value(&task_thread_key)?;
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run_registered_task(
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lua,
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async move {
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let thread = task_lua.registry_value::<LuaThread>(&task_thread_key)?;
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if thread.status() == LuaThreadStatus::Resumable {
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thread.into_async::<_, LuaMultiValue>(()).await?;
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}
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Ok::<_, LuaError>(())
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};
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thread_sender
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.send(match result.await {
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Ok(_) => LuneMessage::Finished,
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Err(e) => LuneMessage::LuaError(e),
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})
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.await
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})
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.detach();
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Ok(thread_to_return)
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Ok(())
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},
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true,
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)
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.await?;
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Ok(lua_thread_to_return)
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}
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async fn task_wait(lua: &Lua, duration: Option<f32>) -> LuaResult<f32> {
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let sender = lua
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.app_data_ref::<Weak<Sender<LuneMessage>>>()
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.unwrap()
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.upgrade()
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.unwrap();
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sender
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.send(LuneMessage::Spawned)
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.await
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.map_err(LuaError::external)?;
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let start = Instant::now();
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run_registered_task(
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lua,
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async move {
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Timer::after(
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duration
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.map(Duration::from_secs_f32)
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.unwrap_or(Duration::ZERO),
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)
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.await;
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Ok(())
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},
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false,
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)
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.await?;
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let end = Instant::now();
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sender
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.send(LuneMessage::Finished)
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.await
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.map_err(LuaError::external)?;
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Ok((end - start).as_secs_f32())
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}
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