Dummy data instead of HTTP

src/codec.rs

@@ -0,0 +1,40 @@
+use tokio::io::{AsyncRead, AsyncReadExt};
+
+pub struct StreamCodec<S> {
+	stream: S,
+}
+
+impl<S: AsyncRead + Unpin> StreamCodec<S> {
+	pub fn new(stream: S) -> Self {
+		Self { stream }
+	}
+
+	pub async fn next(&mut self) -> Result<Vec<u8>, std::io::Error> {
+		let mut buf = vec![0; 8];
+		self.stream.read_exact(&mut buf).await?;
+		let expected_len = u32::from_be_bytes(buf[0..4].try_into().unwrap()) as usize;
+		if expected_len < 8 || expected_len > 8 * 1024 * 1024 {
+			return Err(std::io::ErrorKind::InvalidData.into());
+		}
+		buf.resize(expected_len, 0);
+		self.stream.read_exact(&mut buf[8..expected_len]).await?;
+		Ok(buf)
+	}
+
+	pub fn get_mut(&mut self) -> &mut S {
+		&mut self.stream
+	}
+}
+
+/*#[cfg(test)]
+mod test {
+	use super::*;
+
+	use tokio_util::{bytes::BytesMut, codec::Framed};
+
+	#[test]
+	fn test_decode() {
+		let stream = futures_util::stream::iter([BytesMut::fr&[0u8]]);
+		let stream = Framed::new(stream, CustomCodec::new());
+	}
+}*/