diff options
| author | 魏曹先生 <1992414357@qq.com> | 2026-03-08 22:48:54 +0800 |
|---|---|---|
| committer | 魏曹先生 <1992414357@qq.com> | 2026-03-08 22:48:54 +0800 |
| commit | 47e0ffd50427440696c245814517e4f5fa94ed83 (patch) | |
| tree | 777b1107af04f6b5bcc79673064b1821e1b7f59f /systems/action/src/action_pool.rs | |
| parent | 90ed18a41fef137ed0637cf9fc6aa667de2c905f (diff) | |
Move action system to legacy and remove storage system
Diffstat (limited to 'systems/action/src/action_pool.rs')
| -rw-r--r-- | systems/action/src/action_pool.rs | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/systems/action/src/action_pool.rs b/systems/action/src/action_pool.rs deleted file mode 100644 index 019fa6d..0000000 --- a/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) - }) - } -} |
