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Add #[blocking_handler] to wrap handler in block_in_place #7

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Add #[blocking_handler] to wrap handler in block_in_place #7

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9 changes: 8 additions & 1 deletion src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,7 @@ pub fn xtra_productivity(_attribute: TokenStream, item: TokenStream) -> TokenStr
ReturnType::Type(_, ref t) => quote! { #t }
};

let attrs = method.attrs;
let mut attrs = method.attrs;

#[cfg(feature = "instrumentation")]
let instrument = if !attrs.iter().any(|attr| attr.path.segments.last().unwrap().ident == "instrument") {
Expand All @@ -80,6 +80,13 @@ pub fn xtra_productivity(_attribute: TokenStream, item: TokenStream) -> TokenStr
#[cfg(not(feature = "instrumentation"))]
let instrument = quote!();

let method_block = if let Some(idx) = attrs.iter().position(|attr| attr.path.is_ident("blocking_handler")) {
let _ = attrs.swap_remove(idx);
quote!({ ::tokio::task::block_in_place(move || #method_block ) })
} else {
quote!(#method_block)
};

quote! {
#[async_trait::async_trait]
impl<#generic_params> xtra::Handler<#message_type> for #actor
Expand Down