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<!DOCTYPE html> < html lang = "en" > < head > < meta charset = "utf-8" > < meta name = "viewport" content = "width=device-width, initial-scale=1.0" > < meta name = "generator" content = "rustdoc" > < meta name = "description" content = "Source of the Rust file `actix-protobuf/src/lib.rs`." > < meta name = "keywords" content = "rust, rustlang, rust-lang" > < title > lib.rs - source< / title > < link rel = "stylesheet" type = "text/css" href = "../../normalize.css" > < link rel = "stylesheet" type = "text/css" href = "../../rustdoc.css" id = "mainThemeStyle" > < link rel = "stylesheet" type = "text/css" href = "../../light.css" id = "themeStyle" > < link rel = "stylesheet" type = "text/css" href = "../../dark.css" disabled > < link rel = "stylesheet" type = "text/css" href = "../../ayu.css" disabled > < script id = "default-settings" > < / script > < script src = "../../storage.js" > < / script > < script src = "../../crates.js" > < / script > < noscript > < link rel = "stylesheet" href = "../../noscript.css" > < / noscript > < link rel = "icon" type = "image/svg+xml" href = "../../favicon.svg" >
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< a id = "settings-menu" href = "../../settings.html" > < img src = "../../wheel.svg" width = "18" height = "18" alt = "Change settings" > < / a > < / div > < / form > < / nav > < section id = "main" class = "content" > < pre class = "line-numbers" > < span id = "1" > 1< / span >
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< / pre > < div class = "example-wrap" > < pre class = "rust " >
< span class = "attribute" > #![< span class = "ident" > deny< / span > (< span class = "ident" > rust_2018_idioms< / span > )]< / span >
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< span class = "kw" > use< / span > < span class = "ident" > derive_more::Display< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > std::fmt< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > std::future::Future< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > std::ops< / span > ::{< span class = "ident" > Deref< / span > , < span class = "ident" > DerefMut< / span > };
< span class = "kw" > use< / span > < span class = "ident" > std::pin::Pin< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > std::task< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > std::task::Poll< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > prost::DecodeError< / span > < span class = "kw" > as< / span > < span class = "ident" > ProtoBufDecodeError< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > prost::EncodeError< / span > < span class = "kw" > as< / span > < span class = "ident" > ProtoBufEncodeError< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > prost::Message< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > actix_web::dev< / span > ::{< span class = "ident" > HttpResponseBuilder< / span > , < span class = "ident" > Payload< / span > };
< span class = "kw" > use< / span > < span class = "ident" > actix_web::error< / span > ::{< span class = "ident" > Error< / span > , < span class = "ident" > PayloadError< / span > , < span class = "ident" > ResponseError< / span > };
< span class = "kw" > use< / span > < span class = "ident" > actix_web::http::header< / span > ::{< span class = "ident" > CONTENT_LENGTH< / span > , < span class = "ident" > CONTENT_TYPE< / span > };
< span class = "kw" > use< / span > < span class = "ident" > actix_web::web::BytesMut< / span > ;
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< span class = "kw" > use< / span > < span class = "ident" > actix_web< / span > ::{< span class = "ident" > FromRequest< / span > , < span class = "ident" > HttpMessage< / span > , < span class = "ident" > HttpRequest< / span > , < span class = "ident" > HttpResponse< / span > , < span class = "ident" > Responder< / span > };
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< span class = "kw" > use< / span > < span class = "ident" > futures_util::future< / span > ::{< span class = "ident" > FutureExt< / span > , < span class = "ident" > LocalBoxFuture< / span > };
< span class = "kw" > use< / span > < span class = "ident" > futures_util::StreamExt< / span > ;
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< span class = "attribute" > #[< span class = "ident" > derive< / span > (< span class = "ident" > Debug< / span > , < span class = "ident" > Display< / span > )]< / span >
< span class = "kw" > pub< / span > < span class = "kw" > enum< / span > < span class = "ident" > ProtoBufPayloadError< / span > {
< span class = "doccomment" > /// Payload size is bigger than 256k< / span >
< span class = "attribute" > #[< span class = "ident" > display< / span > (< span class = "ident" > fmt< / span > < span class = "op" > =< / span > < span class = "string" > " Payload size is bigger than 256k" < / span > )]< / span >
< span class = "ident" > Overflow< / span > ,
< span class = "doccomment" > /// Content type error< / span >
< span class = "attribute" > #[< span class = "ident" > display< / span > (< span class = "ident" > fmt< / span > < span class = "op" > =< / span > < span class = "string" > " Content type error" < / span > )]< / span >
< span class = "ident" > ContentType< / span > ,
< span class = "doccomment" > /// Serialize error< / span >
< span class = "attribute" > #[< span class = "ident" > display< / span > (< span class = "ident" > fmt< / span > < span class = "op" > =< / span > < span class = "string" > " ProtoBuf serialize error: {}" < / span > , < span class = "ident" > _0< / span > )]< / span >
< span class = "ident" > Serialize< / span > (< span class = "ident" > ProtoBufEncodeError< / span > ),
< span class = "doccomment" > /// Deserialize error< / span >
< span class = "attribute" > #[< span class = "ident" > display< / span > (< span class = "ident" > fmt< / span > < span class = "op" > =< / span > < span class = "string" > " ProtoBuf deserialize error: {}" < / span > , < span class = "ident" > _0< / span > )]< / span >
< span class = "ident" > Deserialize< / span > (< span class = "ident" > ProtoBufDecodeError< / span > ),
< span class = "doccomment" > /// Payload error< / span >
< span class = "attribute" > #[< span class = "ident" > display< / span > (< span class = "ident" > fmt< / span > < span class = "op" > =< / span > < span class = "string" > " Error that occur during reading payload: {}" < / span > , < span class = "ident" > _0< / span > )]< / span >
< span class = "ident" > Payload< / span > (< span class = "ident" > PayloadError< / span > ),
}
< span class = "kw" > impl< / span > < span class = "ident" > ResponseError< / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBufPayloadError< / span > {
< span class = "kw" > fn< / span > < span class = "ident" > error_response< / span > (< span class = "kw-2" > & < / span > < span class = "self" > self< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "ident" > HttpResponse< / span > {
< span class = "kw" > match< / span > < span class = "kw-2" > *< / span > < span class = "self" > self< / span > {
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< span class = "ident" > ProtoBufPayloadError::Overflow< / span > < span class = "op" > =< / span > < span class = "op" > > < / span > < span class = "ident" > HttpResponse::PayloadTooLarge< / span > ().< span class = "ident" > into< / span > (),
< span class = "kw" > _< / span > < span class = "op" > =< / span > < span class = "op" > > < / span > < span class = "ident" > HttpResponse::BadRequest< / span > ().< span class = "ident" > into< / span > (),
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}
}
}
< span class = "kw" > impl< / span > < span class = "ident" > From< / span > < span class = "op" > < < / span > < span class = "ident" > PayloadError< / span > < span class = "op" > > < / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBufPayloadError< / span > {
< span class = "kw" > fn< / span > < span class = "ident" > from< / span > (< span class = "ident" > err< / span > : < span class = "ident" > PayloadError< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "ident" > ProtoBufPayloadError< / span > {
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< span class = "ident" > ProtoBufPayloadError::Payload< / span > (< span class = "ident" > err< / span > )
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}
}
< span class = "kw" > impl< / span > < span class = "ident" > From< / span > < span class = "op" > < < / span > < span class = "ident" > ProtoBufDecodeError< / span > < span class = "op" > > < / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBufPayloadError< / span > {
< span class = "kw" > fn< / span > < span class = "ident" > from< / span > (< span class = "ident" > err< / span > : < span class = "ident" > ProtoBufDecodeError< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "ident" > ProtoBufPayloadError< / span > {
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< span class = "ident" > ProtoBufPayloadError::Deserialize< / span > (< span class = "ident" > err< / span > )
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}
}
< span class = "kw" > pub< / span > < span class = "kw" > struct< / span > < span class = "ident" > ProtoBuf< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > > < / span > (< span class = "kw" > pub< / span > < span class = "ident" > T< / span > );
< span class = "kw" > impl< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > > < / span > < span class = "ident" > Deref< / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBuf< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > < span class = "op" > > < / span > {
< span class = "kw" > type< / span > < span class = "ident" > Target< / span > < span class = "op" > =< / span > < span class = "ident" > T< / span > ;
< span class = "kw" > fn< / span > < span class = "ident" > deref< / span > (< span class = "kw-2" > & < / span > < span class = "self" > self< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "kw-2" > & < / span > < span class = "ident" > T< / span > {
< span class = "kw-2" > & < / span > < span class = "self" > self< / span > .< span class = "number" > 0< / span >
}
}
< span class = "kw" > impl< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > > < / span > < span class = "ident" > DerefMut< / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBuf< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > < span class = "op" > > < / span > {
< span class = "kw" > fn< / span > < span class = "ident" > deref_mut< / span > (< span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "self" > self< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > T< / span > {
< span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "self" > self< / span > .< span class = "number" > 0< / span >
}
}
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< span class = "kw" > impl< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > > < / span > < span class = "ident" > fmt::Debug< / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBuf< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > < span class = "op" > > < / span >
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< span class = "kw" > where< / span >
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< span class = "ident" > T< / span > : < span class = "ident" > fmt::Debug< / span > ,
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{
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< span class = "kw" > fn< / span > < span class = "ident" > fmt< / span > (< span class = "kw-2" > & < / span > < span class = "self" > self< / span > , < span class = "ident" > f< / span > : < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > fmt::Formatter< / span > < span class = "op" > < < / span > < span class = "lifetime" > ' _< / span > < span class = "op" > > < / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "ident" > fmt::Result< / span > {
< span class = "macro" > write!< / span > (< span class = "ident" > f< / span > , < span class = "string" > " ProtoBuf: {:?}" < / span > , < span class = "self" > self< / span > .< span class = "number" > 0< / span > )
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}
}
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< span class = "kw" > impl< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > > < / span > < span class = "ident" > fmt::Display< / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBuf< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > < span class = "op" > > < / span >
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< span class = "kw" > where< / span >
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< span class = "ident" > T< / span > : < span class = "ident" > fmt::Display< / span > ,
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{
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< span class = "kw" > fn< / span > < span class = "ident" > fmt< / span > (< span class = "kw-2" > & < / span > < span class = "self" > self< / span > , < span class = "ident" > f< / span > : < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > fmt::Formatter< / span > < span class = "op" > < < / span > < span class = "lifetime" > ' _< / span > < span class = "op" > > < / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "ident" > fmt::Result< / span > {
< span class = "ident" > fmt::Display::fmt< / span > (< span class = "kw-2" > & < / span > < span class = "self" > self< / span > .< span class = "number" > 0< / span > , < span class = "ident" > f< / span > )
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}
}
< span class = "kw" > pub< / span > < span class = "kw" > struct< / span > < span class = "ident" > ProtoBufConfig< / span > {
< span class = "ident" > limit< / span > : < span class = "ident" > usize< / span > ,
}
< span class = "kw" > impl< / span > < span class = "ident" > ProtoBufConfig< / span > {
< span class = "doccomment" > /// Change max size of payload. By default max size is 256Kb< / span >
< span class = "kw" > pub< / span > < span class = "kw" > fn< / span > < span class = "ident" > limit< / span > (< span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "self" > self< / span > , < span class = "ident" > limit< / span > : < span class = "ident" > usize< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "self" > Self< / span > {
< span class = "self" > self< / span > .< span class = "ident" > limit< / span > < span class = "op" > =< / span > < span class = "ident" > limit< / span > ;
< span class = "self" > self< / span >
}
}
< span class = "kw" > impl< / span > < span class = "ident" > Default< / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBufConfig< / span > {
< span class = "kw" > fn< / span > < span class = "ident" > default< / span > () < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "self" > Self< / span > {
< span class = "ident" > ProtoBufConfig< / span > { < span class = "ident" > limit< / span > : < span class = "number" > 262_144< / span > }
}
}
< span class = "kw" > impl< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > < span class = "op" > > < / span > < span class = "ident" > FromRequest< / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBuf< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > < span class = "op" > > < / span >
< span class = "kw" > where< / span >
< span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > +< / span > < span class = "ident" > Default< / span > < span class = "op" > +< / span > < span class = "lifetime" > ' static< / span > ,
{
< span class = "kw" > type< / span > < span class = "ident" > Config< / span > < span class = "op" > =< / span > < span class = "ident" > ProtoBufConfig< / span > ;
< span class = "kw" > type< / span > < span class = "ident" > Error< / span > < span class = "op" > =< / span > < span class = "ident" > Error< / span > ;
< span class = "kw" > type< / span > < span class = "ident" > Future< / span > < span class = "op" > =< / span > < span class = "ident" > LocalBoxFuture< / span > < span class = "op" > < < / span > < span class = "lifetime" > ' static< / span > , < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "self" > Self< / span > , < span class = "ident" > Error< / span > < span class = "op" > > < / span > < span class = "op" > > < / span > ;
< span class = "attribute" > #[< span class = "ident" > inline< / span > ]< / span >
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< span class = "kw" > fn< / span > < span class = "ident" > from_request< / span > (< span class = "ident" > req< / span > : < span class = "kw-2" > & < / span > < span class = "ident" > HttpRequest< / span > , < span class = "ident" > payload< / span > : < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > Payload< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "self" > Self< / span > < span class = "ident" > ::Future< / span > {
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< span class = "kw" > let< / span > < span class = "ident" > limit< / span > < span class = "op" > =< / span > < span class = "ident" > req< / span >
.< span class = "ident" > app_data< / span > ::< span class = "op" > < < / span > < span class = "ident" > ProtoBufConfig< / span > < span class = "op" > > < / span > ()
.< span class = "ident" > map< / span > (< span class = "op" > |< / span > < span class = "ident" > c< / span > < span class = "op" > |< / span > < span class = "ident" > c< / span > .< span class = "ident" > limit< / span > )
.< span class = "ident" > unwrap_or< / span > (< span class = "number" > 262_144< / span > );
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< span class = "ident" > ProtoBufMessage::new< / span > (< span class = "ident" > req< / span > , < span class = "ident" > payload< / span > )
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.< span class = "ident" > limit< / span > (< span class = "ident" > limit< / span > )
.< span class = "ident" > map< / span > (< span class = "kw" > move< / span > < span class = "op" > |< / span > < span class = "ident" > res< / span > < span class = "op" > |< / span > < span class = "kw" > match< / span > < span class = "ident" > res< / span > {
< span class = "prelude-val" > Err< / span > (< span class = "ident" > e< / span > ) < span class = "op" > =< / span > < span class = "op" > > < / span > < span class = "prelude-val" > Err< / span > (< span class = "ident" > e< / span > .< span class = "ident" > into< / span > ()),
< span class = "prelude-val" > Ok< / span > (< span class = "ident" > item< / span > ) < span class = "op" > =< / span > < span class = "op" > > < / span > < span class = "prelude-val" > Ok< / span > (< span class = "ident" > ProtoBuf< / span > (< span class = "ident" > item< / span > )),
})
.< span class = "ident" > boxed_local< / span > ()
}
}
< span class = "kw" > impl< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > +< / span > < span class = "ident" > Default< / span > < span class = "op" > > < / span > < span class = "ident" > Responder< / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBuf< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > < span class = "op" > > < / span > {
< span class = "kw" > fn< / span > < span class = "ident" > respond_to< / span > (< span class = "self" > self< / span > , < span class = "kw" > _< / span > : < span class = "kw-2" > & < / span > < span class = "ident" > HttpRequest< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "ident" > HttpResponse< / span > {
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< span class = "kw" > let< / span > < span class = "kw-2" > mut< / span > < span class = "ident" > buf< / span > < span class = "op" > =< / span > < span class = "ident" > Vec::new< / span > ();
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< span class = "kw" > match< / span > < span class = "self" > self< / span > .< span class = "number" > 0< / span > .< span class = "ident" > encode< / span > (< span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > buf< / span > ) {
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< span class = "prelude-val" > Ok< / span > (()) < span class = "op" > =< / span > < span class = "op" > > < / span > < span class = "ident" > HttpResponse::Ok< / span > ()
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.< span class = "ident" > content_type< / span > (< span class = "string" > " application/protobuf" < / span > )
.< span class = "ident" > body< / span > (< span class = "ident" > buf< / span > ),
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< span class = "prelude-val" > Err< / span > (< span class = "ident" > err< / span > ) < span class = "op" > =< / span > < span class = "op" > > < / span > < span class = "ident" > HttpResponse::from_error< / span > (< span class = "ident" > Error::from< / span > (
< span class = "ident" > ProtoBufPayloadError::Serialize< / span > (< span class = "ident" > err< / span > ),
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)),
}
}
}
< span class = "kw" > pub< / span > < span class = "kw" > struct< / span > < span class = "ident" > ProtoBufMessage< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > +< / span > < span class = "ident" > Default< / span > < span class = "op" > > < / span > {
< span class = "ident" > limit< / span > : < span class = "ident" > usize< / span > ,
< span class = "ident" > length< / span > : < span class = "prelude-ty" > Option< / span > < span class = "op" > < < / span > < span class = "ident" > usize< / span > < span class = "op" > > < / span > ,
< span class = "ident" > stream< / span > : < span class = "prelude-ty" > Option< / span > < span class = "op" > < < / span > < span class = "ident" > Payload< / span > < span class = "op" > > < / span > ,
< span class = "ident" > err< / span > : < span class = "prelude-ty" > Option< / span > < span class = "op" > < < / span > < span class = "ident" > ProtoBufPayloadError< / span > < span class = "op" > > < / span > ,
< span class = "ident" > fut< / span > : < span class = "prelude-ty" > Option< / span > < span class = "op" > < < / span > < span class = "ident" > LocalBoxFuture< / span > < span class = "op" > < < / span > < span class = "lifetime" > ' static< / span > , < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > , < span class = "ident" > ProtoBufPayloadError< / span > < span class = "op" > > < / span > < span class = "op" > > < / span > < span class = "op" > > < / span > ,
}
< span class = "kw" > impl< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > +< / span > < span class = "ident" > Default< / span > < span class = "op" > > < / span > < span class = "ident" > ProtoBufMessage< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > < span class = "op" > > < / span > {
< span class = "doccomment" > /// Create `ProtoBufMessage` for request.< / span >
< span class = "kw" > pub< / span > < span class = "kw" > fn< / span > < span class = "ident" > new< / span > (< span class = "ident" > req< / span > : < span class = "kw-2" > & < / span > < span class = "ident" > HttpRequest< / span > , < span class = "ident" > payload< / span > : < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > Payload< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "self" > Self< / span > {
< span class = "kw" > if< / span > < span class = "ident" > req< / span > .< span class = "ident" > content_type< / span > () < span class = "op" > !< / span > < span class = "op" > =< / span > < span class = "string" > " application/protobuf" < / span > {
< span class = "kw" > return< / span > < span class = "ident" > ProtoBufMessage< / span > {
< span class = "ident" > limit< / span > : < span class = "number" > 262_144< / span > ,
< span class = "ident" > length< / span > : < span class = "prelude-val" > None< / span > ,
< span class = "ident" > stream< / span > : < span class = "prelude-val" > None< / span > ,
< span class = "ident" > fut< / span > : < span class = "prelude-val" > None< / span > ,
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< span class = "ident" > err< / span > : < span class = "prelude-val" > Some< / span > (< span class = "ident" > ProtoBufPayloadError::ContentType< / span > ),
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};
}
< span class = "kw" > let< / span > < span class = "kw-2" > mut< / span > < span class = "ident" > len< / span > < span class = "op" > =< / span > < span class = "prelude-val" > None< / span > ;
< span class = "kw" > if< / span > < span class = "kw" > let< / span > < span class = "prelude-val" > Some< / span > (< span class = "ident" > l< / span > ) < span class = "op" > =< / span > < span class = "ident" > req< / span > .< span class = "ident" > headers< / span > ().< span class = "ident" > get< / span > (< span class = "ident" > CONTENT_LENGTH< / span > ) {
< span class = "kw" > if< / span > < span class = "kw" > let< / span > < span class = "prelude-val" > Ok< / span > (< span class = "ident" > s< / span > ) < span class = "op" > =< / span > < span class = "ident" > l< / span > .< span class = "ident" > to_str< / span > () {
< span class = "kw" > if< / span > < span class = "kw" > let< / span > < span class = "prelude-val" > Ok< / span > (< span class = "ident" > l< / span > ) < span class = "op" > =< / span > < span class = "ident" > s< / span > .< span class = "ident" > parse< / span > ::< span class = "op" > < < / span > < span class = "ident" > usize< / span > < span class = "op" > > < / span > () {
< span class = "ident" > len< / span > < span class = "op" > =< / span > < span class = "prelude-val" > Some< / span > (< span class = "ident" > l< / span > )
}
}
}
< span class = "ident" > ProtoBufMessage< / span > {
< span class = "ident" > limit< / span > : < span class = "number" > 262_144< / span > ,
< span class = "ident" > length< / span > : < span class = "ident" > len< / span > ,
< span class = "ident" > stream< / span > : < span class = "prelude-val" > Some< / span > (< span class = "ident" > payload< / span > .< span class = "ident" > take< / span > ()),
< span class = "ident" > fut< / span > : < span class = "prelude-val" > None< / span > ,
< span class = "ident" > err< / span > : < span class = "prelude-val" > None< / span > ,
}
}
< span class = "doccomment" > /// Change max size of payload. By default max size is 256Kb< / span >
< span class = "kw" > pub< / span > < span class = "kw" > fn< / span > < span class = "ident" > limit< / span > (< span class = "kw-2" > mut< / span > < span class = "self" > self< / span > , < span class = "ident" > limit< / span > : < span class = "ident" > usize< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "self" > Self< / span > {
< span class = "self" > self< / span > .< span class = "ident" > limit< / span > < span class = "op" > =< / span > < span class = "ident" > limit< / span > ;
< span class = "self" > self< / span >
}
}
< span class = "kw" > impl< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > +< / span > < span class = "ident" > Default< / span > < span class = "op" > +< / span > < span class = "lifetime" > ' static< / span > < span class = "op" > > < / span > < span class = "ident" > Future< / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBufMessage< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > < span class = "op" > > < / span > {
< span class = "kw" > type< / span > < span class = "ident" > Output< / span > < span class = "op" > =< / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > , < span class = "ident" > ProtoBufPayloadError< / span > < span class = "op" > > < / span > ;
< span class = "kw" > fn< / span > < span class = "ident" > poll< / span > (
< span class = "kw-2" > mut< / span > < span class = "self" > self< / span > : < span class = "ident" > Pin< / span > < span class = "op" > < < / span > < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "self" > Self< / span > < span class = "op" > > < / span > ,
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< span class = "ident" > task< / span > : < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > task::Context< / span > < span class = "op" > < < / span > < span class = "lifetime" > ' _< / span > < span class = "op" > > < / span > ,
) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "ident" > Poll< / span > < span class = "op" > < < / span > < span class = "self" > Self< / span > < span class = "ident" > ::Output< / span > < span class = "op" > > < / span > {
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< span class = "kw" > if< / span > < span class = "kw" > let< / span > < span class = "prelude-val" > Some< / span > (< span class = "kw-2" > ref< / span > < span class = "kw-2" > mut< / span > < span class = "ident" > fut< / span > ) < span class = "op" > =< / span > < span class = "self" > self< / span > .< span class = "ident" > fut< / span > {
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< span class = "kw" > return< / span > < span class = "ident" > Pin::new< / span > (< span class = "ident" > fut< / span > ).< span class = "ident" > poll< / span > (< span class = "ident" > task< / span > );
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}
< span class = "kw" > if< / span > < span class = "kw" > let< / span > < span class = "prelude-val" > Some< / span > (< span class = "ident" > err< / span > ) < span class = "op" > =< / span > < span class = "self" > self< / span > .< span class = "ident" > err< / span > .< span class = "ident" > take< / span > () {
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< span class = "kw" > return< / span > < span class = "ident" > Poll::Ready< / span > (< span class = "prelude-val" > Err< / span > (< span class = "ident" > err< / span > ));
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}
< span class = "kw" > let< / span > < span class = "ident" > limit< / span > < span class = "op" > =< / span > < span class = "self" > self< / span > .< span class = "ident" > limit< / span > ;
< span class = "kw" > if< / span > < span class = "kw" > let< / span > < span class = "prelude-val" > Some< / span > (< span class = "ident" > len< / span > ) < span class = "op" > =< / span > < span class = "self" > self< / span > .< span class = "ident" > length< / span > .< span class = "ident" > take< / span > () {
< span class = "kw" > if< / span > < span class = "ident" > len< / span > < span class = "op" > > < / span > < span class = "ident" > limit< / span > {
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< span class = "kw" > return< / span > < span class = "ident" > Poll::Ready< / span > (< span class = "prelude-val" > Err< / span > (< span class = "ident" > ProtoBufPayloadError::Overflow< / span > ));
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}
}
< span class = "kw" > let< / span > < span class = "kw-2" > mut< / span > < span class = "ident" > stream< / span > < span class = "op" > =< / span > < span class = "self" > self< / span >
.< span class = "ident" > stream< / span >
.< span class = "ident" > take< / span > ()
.< span class = "ident" > expect< / span > (< span class = "string" > " ProtoBufMessage could not be used second time" < / span > );
< span class = "self" > self< / span > .< span class = "ident" > fut< / span > < span class = "op" > =< / span > < span class = "prelude-val" > Some< / span > (
< span class = "kw" > async< / span > < span class = "kw" > move< / span > {
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< span class = "kw" > let< / span > < span class = "kw-2" > mut< / span > < span class = "ident" > body< / span > < span class = "op" > =< / span > < span class = "ident" > BytesMut::with_capacity< / span > (< span class = "number" > 8192< / span > );
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< span class = "kw" > while< / span > < span class = "kw" > let< / span > < span class = "prelude-val" > Some< / span > (< span class = "ident" > item< / span > ) < span class = "op" > =< / span > < span class = "ident" > stream< / span > .< span class = "ident" > next< / span > ().< span class = "kw" > await< / span > {
< span class = "kw" > let< / span > < span class = "ident" > chunk< / span > < span class = "op" > =< / span > < span class = "ident" > item< / span > < span class = "question-mark" > ?< / span > ;
< span class = "kw" > if< / span > (< span class = "ident" > body< / span > .< span class = "ident" > len< / span > () < span class = "op" > +< / span > < span class = "ident" > chunk< / span > .< span class = "ident" > len< / span > ()) < span class = "op" > > < / span > < span class = "ident" > limit< / span > {
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< span class = "kw" > return< / span > < span class = "prelude-val" > Err< / span > (< span class = "ident" > ProtoBufPayloadError::Overflow< / span > );
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} < span class = "kw" > else< / span > {
< span class = "ident" > body< / span > .< span class = "ident" > extend_from_slice< / span > (< span class = "kw-2" > & < / span > < span class = "ident" > chunk< / span > );
}
}
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< span class = "prelude-val" > Ok< / span > (< span class = "op" > < < / span > < span class = "ident" > T< / span > < span class = "op" > > < / span > < span class = "ident" > ::decode< / span > (< span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > body< / span > )< span class = "question-mark" > ?< / span > )
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}
.< span class = "ident" > boxed_local< / span > (),
);
< span class = "self" > self< / span > .< span class = "ident" > poll< / span > (< span class = "ident" > task< / span > )
}
}
< span class = "kw" > pub< / span > < span class = "kw" > trait< / span > < span class = "ident" > ProtoBufResponseBuilder< / span > {
< span class = "kw" > fn< / span > < span class = "ident" > protobuf< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > > < / span > (< span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "self" > self< / span > , < span class = "ident" > value< / span > : < span class = "ident" > T< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > HttpResponse< / span > , < span class = "ident" > Error< / span > < span class = "op" > > < / span > ;
}
< span class = "kw" > impl< / span > < span class = "ident" > ProtoBufResponseBuilder< / span > < span class = "kw" > for< / span > < span class = "ident" > HttpResponseBuilder< / span > {
< span class = "kw" > fn< / span > < span class = "ident" > protobuf< / span > < span class = "op" > < < / span > < span class = "ident" > T< / span > : < span class = "ident" > Message< / span > < span class = "op" > > < / span > (< span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "self" > self< / span > , < span class = "ident" > value< / span > : < span class = "ident" > T< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > HttpResponse< / span > , < span class = "ident" > Error< / span > < span class = "op" > > < / span > {
< span class = "self" > self< / span > .< span class = "ident" > insert_header< / span > ((< span class = "ident" > CONTENT_TYPE< / span > , < span class = "string" > " application/protobuf" < / span > ));
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< span class = "kw" > let< / span > < span class = "kw-2" > mut< / span > < span class = "ident" > body< / span > < span class = "op" > =< / span > < span class = "ident" > Vec::new< / span > ();
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< span class = "ident" > value< / span >
.< span class = "ident" > encode< / span > (< span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > body< / span > )
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.< span class = "ident" > map_err< / span > (< span class = "ident" > ProtoBufPayloadError::Serialize< / span > )< span class = "question-mark" > ?< / span > ;
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< span class = "prelude-val" > Ok< / span > (< span class = "self" > self< / span > .< span class = "ident" > body< / span > (< span class = "ident" > body< / span > ))
}
}
< span class = "attribute" > #[< span class = "ident" > cfg< / span > (< span class = "ident" > test< / span > )]< / span >
< span class = "kw" > mod< / span > < span class = "ident" > tests< / span > {
< span class = "kw" > use< / span > < span class = "kw" > super< / span > ::< span class = "kw-2" > *< / span > ;
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< span class = "kw" > use< / span > < span class = "ident" > actix_web::http::header< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > actix_web::test::TestRequest< / span > ;
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< span class = "kw" > impl< / span > < span class = "ident" > PartialEq< / span > < span class = "kw" > for< / span > < span class = "ident" > ProtoBufPayloadError< / span > {
< span class = "kw" > fn< / span > < span class = "ident" > eq< / span > (< span class = "kw-2" > & < / span > < span class = "self" > self< / span > , < span class = "ident" > other< / span > : < span class = "kw-2" > & < / span > < span class = "ident" > ProtoBufPayloadError< / span > ) < span class = "op" > -< / span > < span class = "op" > > < / span > < span class = "ident" > bool< / span > {
< span class = "kw" > match< / span > < span class = "kw-2" > *< / span > < span class = "self" > self< / span > {
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< span class = "ident" > ProtoBufPayloadError::Overflow< / span > < span class = "op" > =< / span > < span class = "op" > > < / span > {
< span class = "macro" > matches!< / span > (< span class = "kw-2" > *< / span > < span class = "ident" > other< / span > , < span class = "ident" > ProtoBufPayloadError::Overflow< / span > )
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}
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< span class = "ident" > ProtoBufPayloadError::ContentType< / span > < span class = "op" > =< / span > < span class = "op" > > < / span > {
< span class = "macro" > matches!< / span > (< span class = "kw-2" > *< / span > < span class = "ident" > other< / span > , < span class = "ident" > ProtoBufPayloadError::ContentType< / span > )
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}
< span class = "kw" > _< / span > < span class = "op" > =< / span > < span class = "op" > > < / span > < span class = "bool-val" > false< / span > ,
}
}
}
< span class = "attribute" > #[< span class = "ident" > derive< / span > (< span class = "ident" > Clone< / span > , < span class = "ident" > PartialEq< / span > , < span class = "ident" > Message< / span > )]< / span >
< span class = "kw" > pub< / span > < span class = "kw" > struct< / span > < span class = "ident" > MyObject< / span > {
< span class = "attribute" > #[< span class = "ident" > prost< / span > (< span class = "ident" > int32< / span > , < span class = "ident" > tag< / span > < span class = "op" > =< / span > < span class = "string" > " 1" < / span > )]< / span >
< span class = "kw" > pub< / span > < span class = "ident" > number< / span > : < span class = "ident" > i32< / span > ,
< span class = "attribute" > #[< span class = "ident" > prost< / span > (< span class = "ident" > string< / span > , < span class = "ident" > tag< / span > < span class = "op" > =< / span > < span class = "string" > " 2" < / span > )]< / span >
< span class = "kw" > pub< / span > < span class = "ident" > name< / span > : < span class = "ident" > String< / span > ,
}
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< span class = "attribute" > #[< span class = "ident" > actix_rt::test< / span > ]< / span >
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< span class = "kw" > async< / span > < span class = "kw" > fn< / span > < span class = "ident" > test_protobuf< / span > () {
< span class = "kw" > let< / span > < span class = "ident" > protobuf< / span > < span class = "op" > =< / span > < span class = "ident" > ProtoBuf< / span > (< span class = "ident" > MyObject< / span > {
< span class = "ident" > number< / span > : < span class = "number" > 9< / span > ,
< span class = "ident" > name< / span > : < span class = "string" > " test" < / span > .< span class = "ident" > to_owned< / span > (),
});
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< span class = "kw" > let< / span > < span class = "ident" > req< / span > < span class = "op" > =< / span > < span class = "ident" > TestRequest::default< / span > ().< span class = "ident" > to_http_request< / span > ();
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< span class = "kw" > let< / span > < span class = "ident" > resp< / span > < span class = "op" > =< / span > < span class = "ident" > protobuf< / span > .< span class = "ident" > respond_to< / span > (< span class = "kw-2" > & < / span > < span class = "ident" > req< / span > ).< span class = "kw" > await< / span > .< span class = "ident" > unwrap< / span > ();
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< span class = "kw" > let< / span > < span class = "ident" > ct< / span > < span class = "op" > =< / span > < span class = "ident" > resp< / span > .< span class = "ident" > headers< / span > ().< span class = "ident" > get< / span > (< span class = "ident" > header::CONTENT_TYPE< / span > ).< span class = "ident" > unwrap< / span > ();
< span class = "macro" > assert_eq!< / span > (< span class = "ident" > ct< / span > , < span class = "string" > " application/protobuf" < / span > );
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}
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< span class = "attribute" > #[< span class = "ident" > actix_rt::test< / span > ]< / span >
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< span class = "kw" > async< / span > < span class = "kw" > fn< / span > < span class = "ident" > test_protobuf_message< / span > () {
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< span class = "kw" > let< / span > (< span class = "ident" > req< / span > , < span class = "kw-2" > mut< / span > < span class = "ident" > pl< / span > ) < span class = "op" > =< / span > < span class = "ident" > TestRequest::default< / span > ().< span class = "ident" > to_http_parts< / span > ();
< span class = "kw" > let< / span > < span class = "ident" > protobuf< / span > < span class = "op" > =< / span > < span class = "ident" > ProtoBufMessage< / span > ::< span class = "op" > < < / span > < span class = "ident" > MyObject< / span > < span class = "op" > > < / span > < span class = "ident" > ::new< / span > (< span class = "kw-2" > & < / span > < span class = "ident" > req< / span > , < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > pl< / span > ).< span class = "kw" > await< / span > ;
< span class = "macro" > assert_eq!< / span > (< span class = "ident" > protobuf< / span > .< span class = "ident" > err< / span > ().< span class = "ident" > unwrap< / span > (), < span class = "ident" > ProtoBufPayloadError::ContentType< / span > );
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< span class = "kw" > let< / span > (< span class = "ident" > req< / span > , < span class = "kw-2" > mut< / span > < span class = "ident" > pl< / span > ) < span class = "op" > =< / span > < span class = "ident" > TestRequest::get< / span > ()
.< span class = "ident" > insert_header< / span > ((< span class = "ident" > header::CONTENT_TYPE< / span > , < span class = "string" > " application/text" < / span > ))
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.< span class = "ident" > to_http_parts< / span > ();
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< span class = "kw" > let< / span > < span class = "ident" > protobuf< / span > < span class = "op" > =< / span > < span class = "ident" > ProtoBufMessage< / span > ::< span class = "op" > < < / span > < span class = "ident" > MyObject< / span > < span class = "op" > > < / span > < span class = "ident" > ::new< / span > (< span class = "kw-2" > & < / span > < span class = "ident" > req< / span > , < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > pl< / span > ).< span class = "kw" > await< / span > ;
< span class = "macro" > assert_eq!< / span > (< span class = "ident" > protobuf< / span > .< span class = "ident" > err< / span > ().< span class = "ident" > unwrap< / span > (), < span class = "ident" > ProtoBufPayloadError::ContentType< / span > );
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< span class = "kw" > let< / span > (< span class = "ident" > req< / span > , < span class = "kw-2" > mut< / span > < span class = "ident" > pl< / span > ) < span class = "op" > =< / span > < span class = "ident" > TestRequest::get< / span > ()
.< span class = "ident" > insert_header< / span > ((< span class = "ident" > header::CONTENT_TYPE< / span > , < span class = "string" > " application/protobuf" < / span > ))
.< span class = "ident" > insert_header< / span > ((< span class = "ident" > header::CONTENT_LENGTH< / span > , < span class = "string" > " 10000" < / span > ))
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.< span class = "ident" > to_http_parts< / span > ();
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< span class = "kw" > let< / span > < span class = "ident" > protobuf< / span > < span class = "op" > =< / span > < span class = "ident" > ProtoBufMessage< / span > ::< span class = "op" > < < / span > < span class = "ident" > MyObject< / span > < span class = "op" > > < / span > < span class = "ident" > ::new< / span > (< span class = "kw-2" > & < / span > < span class = "ident" > req< / span > , < span class = "kw-2" > & < / span > < span class = "kw-2" > mut< / span > < span class = "ident" > pl< / span > )
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.< span class = "ident" > limit< / span > (< span class = "number" > 100< / span > )
.< span class = "kw" > await< / span > ;
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< span class = "macro" > assert_eq!< / span > (< span class = "ident" > protobuf< / span > .< span class = "ident" > err< / span > ().< span class = "ident" > unwrap< / span > (), < span class = "ident" > ProtoBufPayloadError::Overflow< / span > );
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}
}
< / pre > < / div >
< / section > < section id = "search" class = "content hidden" > < / section > < section class = "footer" > < / section > < div id = "rustdoc-vars" data-root-path = "../../" data-current-crate = "actix_protobuf" data-search-js = "../../search-index.js" > < / div >
< script src = "../../main.js" > < / script > < script src = "../../source-script.js" > < / script > < script src = "../../source-files.js" > < / script > < / body > < / html >
