pub fn hyper_response(req: &Request<Body>, content_type: &str, etag: &str, filename: &str, data: &dyn StreamRange) -> Response<Body> {
    let full_len = data.len();
    let full_range = Range { start: 0, end: full_len };

    let range = req.headers().get(hyper::header::RANGE)
        .filter(|_| req.headers().get(hyper::header::IF_RANGE).map_or(true, |val| val == etag))
        .and_then(|v| v.to_str().ok())
        .and_then(|v| parse_range(v, full_len).ok())
        .and_then(|x| x);

    let mut res = Response::builder()
        .header(header::CONTENT_TYPE, content_type)
        .header(header::ACCEPT_RANGES, "bytes")
        .header(header::ETAG, etag)
        .header(header::CONTENT_DISPOSITION, format!("attachment; filename=\"{}\"", filename));

    if let Some(range) = range {
        res = res.status(StatusCode::PARTIAL_CONTENT)
                 .header(header::CONTENT_RANGE, format!("bytes {}-{}/{}", range.start, range.end - 1, full_len));
        log::info!("Serving range {:?}", range);
    }

    let range = range.unwrap_or(full_range);

    res = res.header(header::CONTENT_LENGTH, range.len());

    let stream = data.stream_range(range).inspect_err(|err| {
        log::error!("Response stream error: {}", err);
    });

    res.body(Body::wrap_stream(stream)).unwrap()
}
/// Serve a `StreamRange` in response to a `hyper` request.
/// This handles the HTTP Range header and "206 Partial content" and associated headers if required
Serve a `StreamRange` in response to a `hyper` request.
This handles the HTTP Range header and "206 Partial content" and associated headers if required
Serve a ` StreamRange ` in response to a ` hyper ` request . This handles the HTTP Range header and " 206 Partial content " and associated headers if required
pub fn hyper_response(req: &Request<Body>, content_type: &str, etag: &str, filename: &str, data: &dyn StreamRange) -> Response<Body> {
    let full_len = data.len();
    let full_range = Range { start: 0, end: full_len };
    let range = req.headers().get(hyper::header::RANGE)
        .filter(|_| req.headers().get(hyper::header::IF_RANGE).map_or(true, |val| val == etag))
        .and_then(|v| v.to_str().ok())
        .and_then(|v| parse_range(v, full_len).ok())
        .and_then(|x| x);
    let mut res = Response::builder()
        .header(header::CONTENT_TYPE, content_type)
        .header(header::ACCEPT_RANGES, "bytes")
        .header(header::ETAG, etag)
        .header(header::CONTENT_DISPOSITION, format!("attachment; filename=\"{}\"", filename));
    if let Some(range) = range {
        res = res.status(StatusCode::PARTIAL_CONTENT)
                 .header(header::CONTENT_RANGE, format!("bytes {}-{}/{}", range.start, range.end - 1, full_len));
        log::info!("Serving range {:?}", range);
    }
    let range = range.unwrap_or(full_range);
    res = res.header(header::CONTENT_LENGTH, range.len());
    let stream = data.stream_range(range).inspect_err(|err| {
        log::error!("Response stream error: {}", err);
    });
    res.body(Body::wrap_stream(stream)).unwrap()
}
pub fn hyper_response ( req : & Request < Body > , content_type : & str , etag : & str , filename : & str , data : & dyn StreamRange ) -> Response < Body > { let full_len = data . len ( ) ; let full_range = Range { start : 0 , end : full_len } ; let range = req . headers ( ) . get ( hyper :: header :: RANGE ) . filter ( | _ | req . headers ( ) . get ( hyper :: header :: IF_RANGE ) . map_or ( true , | val | val == etag ) ) . and_then ( | v | v . to_str ( ) . ok ( ) ) . and_then ( | v | parse_range ( v , full_len ) . ok ( ) ) . and_then ( | x | x ) ; let mut res = Response :: builder ( ) . header ( header :: CONTENT_TYPE , content_type ) . header ( header :: ACCEPT_RANGES , " " ) . header ( header :: ETAG , etag ) . header ( header :: CONTENT_DISPOSITION , format ! ( " \" \" " filename ) ) ; if let Some ( range ) = range { res = res . status ( StatusCode :: PARTIAL_CONTENT ) . header ( header :: CONTENT_RANGE , format ! ( " " range start range end 1 full_len ) ) ; log :: info ! ( " " range ) ; } let range = range . unwrap_or ( full_range ) ; res = res . header ( header :: CONTENT_LENGTH , range . len ( ) ) ; let stream = data . stream_range ( range ) . inspect_err ( | err | { log :: error ! ( " " err ) ; } ) ; res . body ( Body :: wrap_stream ( stream ) ) . unwrap ( ) }
Serve a `StreamRange` in response to a `hyper` request.
Serve a ` StreamRange ` in response to a ` hyper ` request .
req
&Request<Body>
content_type
&str
etag
&str
filename
&str
data
&dyn StreamRange
req
&Request<Body>
content_type
&str
etag
&str
filename
&str
data
&dyn StreamRange