try to add cbor support

Cargo.toml

@@ -37,6 +37,7 @@ pin-project-lite = "0.2.6"
 regex = "1.4.5"
 serde = { version = "1.0.125", features = ["derive"] }
 serde_json = "1.0.64"
+serde_cbor = "0.11.1"
 thiserror = "1.0.24"
 static_assertions = "1.1.0"
 http = "0.2.3"

src/error.rs

@@ -6,6 +6,7 @@ use serde::{Deserialize, Serialize};
 use thiserror::Error;
 
 use crate::{parser, InputType, Pos, Value};
+use serde::de::Error as SerdeError;
 
 /// Extensions to the error.
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]

src/http/mod.rs

@@ -54,3 +54,13 @@ pub async fn receive_batch_json(body: impl AsyncRead) -> Result<BatchRequest, Pa
         .map_err(ParseRequestError::Io)?;
     Ok(serde_json::from_slice::<BatchRequest>(&data).map_err(ParseRequestError::InvalidRequest)?)
 }
+
+
+pub async fn receive_batch_cbor(body: impl AsyncRead) -> Result<BatchRequest, ParseRequestError> {
+    let mut data = Vec::new();
+    futures_util::pin_mut!(body);
+    body.read_to_end(&mut data)
+        .await
+        .map_err(ParseRequestError::Io)?;
+    Ok(serde_cbor::from_slice::<BatchRequest>(&data).map_err(ParseRequestError::InvalidRequest)?)
+}