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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/h2/src/frame/head.rs
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/h2/src/frame/head.rs')
-rw-r--r--third_party/rust/h2/src/frame/head.rs94
1 files changed, 94 insertions, 0 deletions
diff --git a/third_party/rust/h2/src/frame/head.rs b/third_party/rust/h2/src/frame/head.rs
new file mode 100644
index 0000000000..38be2f6973
--- /dev/null
+++ b/third_party/rust/h2/src/frame/head.rs
@@ -0,0 +1,94 @@
+use super::StreamId;
+
+use bytes::BufMut;
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+pub struct Head {
+ kind: Kind,
+ flag: u8,
+ stream_id: StreamId,
+}
+
+#[repr(u8)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+pub enum Kind {
+ Data = 0,
+ Headers = 1,
+ Priority = 2,
+ Reset = 3,
+ Settings = 4,
+ PushPromise = 5,
+ Ping = 6,
+ GoAway = 7,
+ WindowUpdate = 8,
+ Continuation = 9,
+ Unknown,
+}
+
+// ===== impl Head =====
+
+impl Head {
+ pub fn new(kind: Kind, flag: u8, stream_id: StreamId) -> Head {
+ Head {
+ kind,
+ flag,
+ stream_id,
+ }
+ }
+
+ /// Parse an HTTP/2 frame header
+ pub fn parse(header: &[u8]) -> Head {
+ let (stream_id, _) = StreamId::parse(&header[5..]);
+
+ Head {
+ kind: Kind::new(header[3]),
+ flag: header[4],
+ stream_id,
+ }
+ }
+
+ pub fn stream_id(&self) -> StreamId {
+ self.stream_id
+ }
+
+ pub fn kind(&self) -> Kind {
+ self.kind
+ }
+
+ pub fn flag(&self) -> u8 {
+ self.flag
+ }
+
+ pub fn encode_len(&self) -> usize {
+ super::HEADER_LEN
+ }
+
+ pub fn encode<T: BufMut>(&self, payload_len: usize, dst: &mut T) {
+ debug_assert!(self.encode_len() <= dst.remaining_mut());
+
+ dst.put_uint(payload_len as u64, 3);
+ dst.put_u8(self.kind as u8);
+ dst.put_u8(self.flag);
+ dst.put_u32(self.stream_id.into());
+ }
+}
+
+// ===== impl Kind =====
+
+impl Kind {
+ pub fn new(byte: u8) -> Kind {
+ match byte {
+ 0 => Kind::Data,
+ 1 => Kind::Headers,
+ 2 => Kind::Priority,
+ 3 => Kind::Reset,
+ 4 => Kind::Settings,
+ 5 => Kind::PushPromise,
+ 6 => Kind::Ping,
+ 7 => Kind::GoAway,
+ 8 => Kind::WindowUpdate,
+ 9 => Kind::Continuation,
+ _ => Kind::Unknown,
+ }
+ }
+}