From 1c520b20f70ddbdab885ec6c4bf5c87893a26eb4 Mon Sep 17 00:00:00 2001
From: hozan23 <hozan23@karyontech.net>
Date: Sun, 19 May 2024 22:18:06 +0200
Subject: jsonrpc: remove jsonrpc_internal crate

---
 jsonrpc/src/error.rs   | 40 +++++++++++++++++++++++++++++++
 jsonrpc/src/lib.rs     |  6 +++--
 jsonrpc/src/service.rs | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 108 insertions(+), 2 deletions(-)
 create mode 100644 jsonrpc/src/error.rs
 create mode 100644 jsonrpc/src/service.rs

(limited to 'jsonrpc/src')

diff --git a/jsonrpc/src/error.rs b/jsonrpc/src/error.rs
new file mode 100644
index 0000000..7f89729
--- /dev/null
+++ b/jsonrpc/src/error.rs
@@ -0,0 +1,40 @@
+use thiserror::Error as ThisError;
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+/// Represents karyon's jsonrpc Error.
+#[derive(ThisError, Debug)]
+pub enum Error {
+    #[error(transparent)]
+    IO(#[from] std::io::Error),
+
+    #[error("Call Error: code: {0} msg: {1}")]
+    CallError(i32, String),
+
+    #[error("RPC Method Error:  code: {0} msg: {1}")]
+    RPCMethodError(i32, &'static str),
+
+    #[error("Invalid Params: {0}")]
+    InvalidParams(&'static str),
+
+    #[error("Invalid Request: {0}")]
+    InvalidRequest(&'static str),
+
+    #[error(transparent)]
+    ParseJSON(#[from] serde_json::Error),
+
+    #[error("Invalid Message Error: {0}")]
+    InvalidMsg(&'static str),
+
+    #[error("Unsupported protocol: {0}")]
+    UnsupportedProtocol(String),
+
+    #[error("Unexpected Error: {0}")]
+    General(&'static str),
+
+    #[error(transparent)]
+    KaryonCore(#[from] karyon_core::error::Error),
+
+    #[error(transparent)]
+    KaryonNet(#[from] karyon_net::Error),
+}
diff --git a/jsonrpc/src/lib.rs b/jsonrpc/src/lib.rs
index 4ec03cc..3062512 100644
--- a/jsonrpc/src/lib.rs
+++ b/jsonrpc/src/lib.rs
@@ -68,13 +68,15 @@
 
 mod client;
 mod codec;
+mod error;
 pub mod message;
 mod server;
+mod service;
 
 pub use client::Client;
 pub use server::Server;
 
-pub use karyon_jsonrpc_internal::{impl_rpc_service, RPCMethod, RPCService};
-pub use karyon_jsonrpc_internal::{Error, Result};
+pub use error::{Error, Result};
 pub use karyon_jsonrpc_macro::rpc_impl;
 pub use karyon_net::Endpoint;
+pub use service::{RPCMethod, RPCService};
diff --git a/jsonrpc/src/service.rs b/jsonrpc/src/service.rs
new file mode 100644
index 0000000..4c8c4b8
--- /dev/null
+++ b/jsonrpc/src/service.rs
@@ -0,0 +1,64 @@
+use std::{future::Future, pin::Pin};
+
+use crate::Result;
+
+/// Represents the RPC method
+pub type RPCMethod<'a> = Box<dyn Fn(serde_json::Value) -> RPCMethodOutput<'a> + Send + 'a>;
+type RPCMethodOutput<'a> =
+    Pin<Box<dyn Future<Output = Result<serde_json::Value>> + Send + Sync + 'a>>;
+
+/// Defines the interface for an RPC service.
+pub trait RPCService: Sync + Send {
+    fn get_method<'a>(&'a self, name: &'a str) -> Option<RPCMethod>;
+    fn name(&self) -> String;
+}
+
+/// Implements the [`RPCService`] trait for a provided type.
+///
+/// # Example
+///
+/// ```
+/// use serde_json::Value;
+///
+/// use karyon_jsonrpc::{Error, impl_rpc_service};
+///
+/// struct Hello {}
+///
+/// impl Hello {
+///     async fn foo(&self, params: Value) -> Result<Value, Error> {
+///         Ok(serde_json::json!("foo!"))
+///     }
+///
+///     async fn bar(&self, params: Value) -> Result<Value, Error> {
+///         Ok(serde_json::json!("bar!"))
+///     }
+/// }
+///
+/// impl_rpc_service!(Hello, foo, bar);
+///
+/// ```
+#[macro_export]
+macro_rules! impl_rpc_service {
+    ($t:ty, $($m:ident),*) => {
+        impl karyon_jsonrpc::RPCService for $t {
+            fn get_method<'a>(
+                &'a self,
+                name: &'a str
+            ) -> Option<karyon_jsonrpc::RPCMethod> {
+                match name {
+                $(
+                    stringify!($m) => {
+                        Some(Box::new(move |params: serde_json::Value| Box::pin(self.$m(params))))
+                    }
+                )*
+                    _ => None,
+                }
+
+
+            }
+            fn name(&self) -> String{
+                stringify!($t).to_string()
+            }
+        }
+    };
+}
-- 
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