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-rw-r--r--legacy_systems/action/src/action_pool.rs247
1 files changed, 0 insertions, 247 deletions
diff --git a/legacy_systems/action/src/action_pool.rs b/legacy_systems/action/src/action_pool.rs
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index 019fa6d..0000000
--- a/legacy_systems/action/src/action_pool.rs
+++ /dev/null
@@ -1,247 +0,0 @@
-use std::pin::Pin;
-
-use serde::{Serialize, de::DeserializeOwned};
-use serde_json;
-use tcp_connection::error::TcpTargetError;
-
-use crate::action::{Action, ActionContext};
-
-type ProcBeginCallback = for<'a> fn(
- &'a mut ActionContext,
- args: &'a (dyn std::any::Any + Send + Sync),
-) -> ProcBeginFuture<'a>;
-type ProcEndCallback = fn() -> ProcEndFuture;
-
-type ProcBeginFuture<'a> = Pin<Box<dyn Future<Output = Result<(), TcpTargetError>> + Send + 'a>>;
-type ProcEndFuture = Pin<Box<dyn Future<Output = Result<(), TcpTargetError>> + Send>>;
-
-/// # Struct - ActionPool
-///
-/// This struct is used to register and record all accessible and executable actions
-///
-/// It also registers `on_proc_begin` and `on_proc_end` callback functions
-/// used for action initialization
-///
-/// ## Creating and registering actions
-/// ```ignore
-/// fn init_action_pool() {
-/// let mut pool = Action::new();
-///
-/// // Register action
-/// pool.register<YourAction, ActionArgument, ActionReturn>();
-///
-/// // If the action is implemented with `#[action_gen]`, you can also do
-/// register_your_action(&mut pool);
-/// }
-/// ```
-pub struct ActionPool {
- /// HashMap storing action name to action implementation mapping
- actions: std::collections::HashMap<&'static str, Box<dyn ActionErased>>,
-
- /// Callback to execute when process begins
- on_proc_begin: Option<ProcBeginCallback>,
-
- /// Callback to execute when process ends
- on_proc_end: Option<ProcEndCallback>,
-}
-
-impl Default for ActionPool {
- fn default() -> Self {
- Self::new()
- }
-}
-
-impl ActionPool {
- /// Creates a new empty ActionPool
- pub fn new() -> Self {
- Self {
- actions: std::collections::HashMap::new(),
- on_proc_begin: None,
- on_proc_end: None,
- }
- }
-
- /// Sets a callback to be executed when process begins
- pub fn set_on_proc_begin(&mut self, callback: ProcBeginCallback) {
- self.on_proc_begin = Some(callback);
- }
-
- /// Sets a callback to be executed when process ends
- pub fn set_on_proc_end(&mut self, callback: ProcEndCallback) {
- self.on_proc_end = Some(callback);
- }
-
- /// Registers an action type with the pool
- ///
- /// Usage:
- /// ```ignore
- /// action_pool.register::<MyAction, MyArgs, MyReturn>();
- /// ```
- pub fn register<A, Args, Return>(&mut self)
- where
- A: Action<Args, Return> + Send + Sync + 'static,
- Args: serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static,
- Return: serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static,
- {
- let action_name = A::action_name();
- self.actions.insert(
- action_name,
- Box::new(ActionWrapper::<A, Args, Return>(std::marker::PhantomData)),
- );
- }
-
- /// Processes an action by name with given context and arguments
- ///
- /// Usage:
- /// ```ignore
- /// let result = action_pool.process::<MyArgs, MyReturn>("my_action", context, args).await?;
- /// ```
- /// Processes an action by name with JSON-serialized arguments
- ///
- /// Usage:
- /// ```ignore
- /// let result_json = action_pool.process_json("my_action", context, args_json).await?;
- /// let result: MyReturn = serde_json::from_str(&result_json)?;
- /// ```
- pub async fn process_json<'a>(
- &'a self,
- action_name: &'a str,
- context: ActionContext,
- args_json: String,
- ) -> Result<String, TcpTargetError> {
- if let Some(action) = self.actions.get(action_name) {
- // Set action name and args in context for callbacks
- let context = context.set_action_name(action_name.to_string());
- let mut context = context.set_action_args(args_json.clone());
-
- self.exec_on_proc_begin(&mut context, &args_json).await?;
- let result = action.process_json_erased(context, args_json).await?;
- self.exec_on_proc_end().await?;
- Ok(result)
- } else {
- Err(TcpTargetError::Unsupported("InvalidAction".to_string()))
- }
- }
-
- /// Processes an action by name with given context and arguments
- ///
- /// Usage:
- /// ```ignore
- /// let result = action_pool.process::<MyArgs, MyReturn>("my_action", context, args).await?;
- /// ```
- pub async fn process<'a, Args, Return>(
- &'a self,
- action_name: &'a str,
- mut context: ActionContext,
- args: Args,
- ) -> Result<Return, TcpTargetError>
- where
- Args: serde::de::DeserializeOwned + Send + Sync + 'static,
- Return: serde::Serialize + Send + 'static,
- {
- if let Some(action) = self.actions.get(action_name) {
- self.exec_on_proc_begin(&mut context, &args).await?;
- let result = action.process_erased(context, Box::new(args)).await?;
- let result = *result
- .downcast::<Return>()
- .map_err(|_| TcpTargetError::Unsupported("InvalidArguments".to_string()))?;
- self.exec_on_proc_end().await?;
- Ok(result)
- } else {
- Err(TcpTargetError::Unsupported("InvalidAction".to_string()))
- }
- }
-
- /// Executes the process begin callback if set
- async fn exec_on_proc_begin(
- &self,
- context: &mut ActionContext,
- args: &(dyn std::any::Any + Send + Sync),
- ) -> Result<(), TcpTargetError> {
- if let Some(callback) = &self.on_proc_begin {
- callback(context, args).await
- } else {
- Ok(())
- }
- }
-
- /// Executes the process end callback if set
- async fn exec_on_proc_end(&self) -> Result<(), TcpTargetError> {
- if let Some(callback) = &self.on_proc_end {
- callback().await
- } else {
- Ok(())
- }
- }
-}
-
-/// Trait for type-erased actions that can be stored in ActionPool
-type ProcessErasedFuture = std::pin::Pin<
- Box<
- dyn std::future::Future<Output = Result<Box<dyn std::any::Any + Send>, TcpTargetError>>
- + Send,
- >,
->;
-type ProcessJsonErasedFuture =
- std::pin::Pin<Box<dyn std::future::Future<Output = Result<String, TcpTargetError>> + Send>>;
-
-trait ActionErased: Send + Sync {
- /// Processes the action with type-erased arguments and returns type-erased result
- fn process_erased(
- &self,
- context: ActionContext,
- args: Box<dyn std::any::Any + Send>,
- ) -> ProcessErasedFuture;
-
- /// Processes the action with JSON-serialized arguments and returns JSON-serialized result
- fn process_json_erased(
- &self,
- context: ActionContext,
- args_json: String,
- ) -> ProcessJsonErasedFuture;
-}
-
-/// Wrapper struct that implements ActionErased for concrete Action types
-struct ActionWrapper<A, Args, Return>(std::marker::PhantomData<(A, Args, Return)>);
-
-impl<A, Args, Return> ActionErased for ActionWrapper<A, Args, Return>
-where
- A: Action<Args, Return> + Send + Sync,
- Args: Serialize + DeserializeOwned + Send + Sync + 'static,
- Return: Serialize + DeserializeOwned + Send + Sync + 'static,
-{
- fn process_erased(
- &self,
- context: ActionContext,
- args: Box<dyn std::any::Any + Send>,
- ) -> std::pin::Pin<
- Box<
- dyn std::future::Future<Output = Result<Box<dyn std::any::Any + Send>, TcpTargetError>>
- + Send,
- >,
- > {
- Box::pin(async move {
- let args = *args
- .downcast::<Args>()
- .map_err(|_| TcpTargetError::Unsupported("InvalidArguments".to_string()))?;
- let result = A::process(context, args).await?;
- Ok(Box::new(result) as Box<dyn std::any::Any + Send>)
- })
- }
-
- fn process_json_erased(
- &self,
- context: ActionContext,
- args_json: String,
- ) -> std::pin::Pin<Box<dyn std::future::Future<Output = Result<String, TcpTargetError>> + Send>>
- {
- Box::pin(async move {
- let args: Args = serde_json::from_str(&args_json)
- .map_err(|e| TcpTargetError::Serialization(format!("Deserialize failed: {}", e)))?;
- let result = A::process(context, args).await?;
- let result_json = serde_json::to_string(&result)
- .map_err(|e| TcpTargetError::Serialization(format!("Serialize failed: {}", e)))?;
- Ok(result_json)
- })
- }
-}