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DioCrafts wants to merge 2 commits into from
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perf: eliminate ParserConfig clones on every H1 request #4028

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ae1e073
perf: eliminate ParserConfig clones on every H1 request
Mar 3, 2026
35c85b9
perf: make BufList::remaining() O(1) by caching total bytes
Mar 3, 2026
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2 changes: 1 addition & 1 deletion src/proto/h1/conn.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -239,7 +239,7 @@ where
ParseContext {
cached_headers: &mut self.state.cached_headers,
req_method: &mut self.state.method,
h1_parser_config: self.state.h1_parser_config.clone(),
h1_parser_config: &self.state.h1_parser_config,
h1_max_headers: self.state.h1_max_headers,
preserve_header_case: self.state.preserve_header_case,
#[cfg(feature = "ffi")]
Expand Down
6 changes: 3 additions & 3 deletions src/proto/h1/io.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,7 @@ where
io,
partial_len: None,
read_blocked: false,
read_buf: BytesMut::with_capacity(0),
read_buf: BytesMut::with_capacity(INIT_BUFFER_SIZE),
read_buf_strategy: ReadStrategy::default(),
write_buf,
}
Expand Down Expand Up @@ -182,7 +182,7 @@ where
ParseContext {
cached_headers: parse_ctx.cached_headers,
req_method: parse_ctx.req_method,
h1_parser_config: parse_ctx.h1_parser_config.clone(),
h1_parser_config: parse_ctx.h1_parser_config,
h1_max_headers: parse_ctx.h1_max_headers,
preserve_header_case: parse_ctx.preserve_header_case,
#[cfg(feature = "ffi")]
Expand Down Expand Up @@ -704,7 +704,7 @@ mod tests {
let parse_ctx = ParseContext {
cached_headers: &mut None,
req_method: &mut None,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand Down
2 changes: 1 addition & 1 deletion src/proto/h1/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@ pub(crate) struct ParsedMessage<T> {
pub(crate) struct ParseContext<'a> {
cached_headers: &'a mut Option<HeaderMap>,
req_method: &'a mut Option<Method>,
h1_parser_config: ParserConfig,
h1_parser_config: &'a ParserConfig,
h1_max_headers: Option<usize>,
preserve_header_case: bool,
#[cfg(feature = "ffi")]
Expand Down
40 changes: 20 additions & 20 deletions src/proto/h1/role.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1674,7 +1674,7 @@ mod tests {
ParseContext {
cached_headers: &mut None,
req_method: &mut method,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand Down Expand Up @@ -1702,7 +1702,7 @@ mod tests {
let ctx = ParseContext {
cached_headers: &mut None,
req_method: &mut Some(crate::Method::GET),
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -1726,7 +1726,7 @@ mod tests {
let ctx = ParseContext {
cached_headers: &mut None,
req_method: &mut None,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -1747,7 +1747,7 @@ mod tests {
let ctx = ParseContext {
cached_headers: &mut None,
req_method: &mut Some(crate::Method::GET),
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -1770,7 +1770,7 @@ mod tests {
let ctx = ParseContext {
cached_headers: &mut None,
req_method: &mut Some(crate::Method::GET),
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -1797,7 +1797,7 @@ mod tests {
let ctx = ParseContext {
cached_headers: &mut None,
req_method: &mut Some(crate::Method::GET),
h1_parser_config,
h1_parser_config: &h1_parser_config,
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -1821,7 +1821,7 @@ mod tests {
let ctx = ParseContext {
cached_headers: &mut None,
req_method: &mut Some(crate::Method::GET),
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand Down Expand Up @@ -1849,7 +1849,7 @@ mod tests {
let ctx = ParseContext {
cached_headers: &mut None,
req_method: &mut method,
h1_parser_config,
h1_parser_config: &h1_parser_config,
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -1876,7 +1876,7 @@ mod tests {
let ctx = ParseContext {
cached_headers: &mut None,
req_method: &mut None,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -1896,7 +1896,7 @@ mod tests {
let ctx = ParseContext {
cached_headers: &mut None,
req_method: &mut None,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: true,
#[cfg(feature = "ffi")]
Expand Down Expand Up @@ -1935,7 +1935,7 @@ mod tests {
ParseContext {
cached_headers: &mut None,
req_method: &mut None,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -1956,7 +1956,7 @@ mod tests {
ParseContext {
cached_headers: &mut None,
req_method: &mut None,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand Down Expand Up @@ -2186,7 +2186,7 @@ mod tests {
ParseContext {
cached_headers: &mut None,
req_method: &mut Some(Method::GET),
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -2207,7 +2207,7 @@ mod tests {
ParseContext {
cached_headers: &mut None,
req_method: &mut Some(m),
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -2228,7 +2228,7 @@ mod tests {
ParseContext {
cached_headers: &mut None,
req_method: &mut Some(Method::GET),
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand Down Expand Up @@ -2798,7 +2798,7 @@ mod tests {
ParseContext {
cached_headers: &mut None,
req_method: &mut Some(Method::GET),
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand Down Expand Up @@ -2842,7 +2842,7 @@ mod tests {
ParseContext {
cached_headers: &mut None,
req_method: &mut None,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: max_headers,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand All @@ -2866,7 +2866,7 @@ mod tests {
ParseContext {
cached_headers: &mut None,
req_method: &mut None,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: max_headers,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand Down Expand Up @@ -3035,7 +3035,7 @@ mod tests {
ParseContext {
cached_headers: &mut headers,
req_method: &mut None,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand Down Expand Up @@ -3080,7 +3080,7 @@ mod tests {
ParseContext {
cached_headers: &mut headers,
req_method: &mut None,
h1_parser_config: Default::default(),
h1_parser_config: &Default::default(),
h1_max_headers: None,
preserve_header_case: false,
#[cfg(feature = "ffi")]
Expand Down