1 files changed, 136 insertions, 0 deletions
diff --git a/third_party/rust/neqo-http3/src/conn_params.rs b/third_party/rust/neqo-http3/src/conn_params.rs
new file mode 100644
index 0000000000..23a5d2cc67
--- /dev/null
+++ b/third_party/rust/neqo-http3/src/conn_params.rs
@@ -0,0 +1,136 @@
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::cmp::min;
+
+use neqo_qpack::QpackSettings;
+use neqo_transport::ConnectionParameters;
+
+const QPACK_MAX_TABLE_SIZE_DEFAULT: u64 = 65536;
+const QPACK_TABLE_SIZE_LIMIT: u64 = (1 << 30) - 1;
+const QPACK_MAX_BLOCKED_STREAMS_DEFAULT: u16 = 20;
+const MAX_PUSH_STREAM_DEFAULT: u64 = 0;
+const WEBTRANSPORT_DEFAULT: bool = false;
+const HTTP3_DATAGRAM_DEFAULT: bool = false;
+
+#[derive(Debug, Clone)]
+pub struct Http3Parameters {
+    conn_params: ConnectionParameters,
+    qpack_settings: QpackSettings,
+    max_concurrent_push_streams: u64,
+    webtransport: bool,
+    http3_datagram: bool,
+}
+
+impl Default for Http3Parameters {
+    fn default() -> Self {
+        Self {
+            conn_params: ConnectionParameters::default(),
+            qpack_settings: QpackSettings {
+                max_table_size_encoder: QPACK_MAX_TABLE_SIZE_DEFAULT,
+                max_table_size_decoder: QPACK_MAX_TABLE_SIZE_DEFAULT,
+                max_blocked_streams: QPACK_MAX_BLOCKED_STREAMS_DEFAULT,
+            },
+            max_concurrent_push_streams: MAX_PUSH_STREAM_DEFAULT,
+            webtransport: WEBTRANSPORT_DEFAULT,
+            http3_datagram: HTTP3_DATAGRAM_DEFAULT,
+        }
+    }
+}
+
+impl Http3Parameters {
+    #[must_use]
+    pub fn get_connection_parameters(&self) -> &ConnectionParameters {
+        &self.conn_params
+    }
+
+    #[must_use]
+    pub fn connection_parameters(mut self, conn_params: ConnectionParameters) -> Self {
+        self.conn_params = conn_params;
+        self
+    }
+
+    /// # Panics
+    ///
+    /// The table size must be smaller than 1 << 30 by the spec.
+    #[must_use]
+    pub fn max_table_size_encoder(mut self, mut max_table: u64) -> Self {
+        assert!(max_table <= QPACK_TABLE_SIZE_LIMIT);
+        max_table = min(max_table, QPACK_TABLE_SIZE_LIMIT);
+        self.qpack_settings.max_table_size_encoder = max_table;
+        self
+    }
+
+    #[must_use]
+    pub fn get_max_table_size_encoder(&self) -> u64 {
+        self.qpack_settings.max_table_size_encoder
+    }
+
+    /// # Panics
+    ///
+    /// The table size must be smaller than 1 << 30 by the spec.
+    #[must_use]
+    pub fn max_table_size_decoder(mut self, mut max_table: u64) -> Self {
+        assert!(max_table <= QPACK_TABLE_SIZE_LIMIT);
+        max_table = min(max_table, QPACK_TABLE_SIZE_LIMIT);
+        self.qpack_settings.max_table_size_decoder = max_table;
+        self
+    }
+
+    #[must_use]
+    pub fn get_max_table_size_decoder(&self) -> u64 {
+        self.qpack_settings.max_table_size_decoder
+    }
+
+    #[must_use]
+    pub fn max_blocked_streams(mut self, max_blocked: u16) -> Self {
+        self.qpack_settings.max_blocked_streams = max_blocked;
+        self
+    }
+
+    #[must_use]
+    pub fn get_max_blocked_streams(&self) -> u16 {
+        self.qpack_settings.max_blocked_streams
+    }
+
+    #[must_use]
+    pub fn get_qpack_settings(&self) -> &QpackSettings {
+        &self.qpack_settings
+    }
+
+    #[must_use]
+    pub fn max_concurrent_push_streams(mut self, max_push_streams: u64) -> Self {
+        self.max_concurrent_push_streams = max_push_streams;
+        self
+    }
+
+    #[must_use]
+    pub fn get_max_concurrent_push_streams(&self) -> u64 {
+        self.max_concurrent_push_streams
+    }
+
+    #[must_use]
+    pub fn webtransport(mut self, webtransport: bool) -> Self {
+        self.webtransport = webtransport;
+        self
+    }
+
+    #[must_use]
+    pub fn get_webtransport(&self) -> bool {
+        self.webtransport
+    }
+
+    #[must_use]
+    pub fn http3_datagram(mut self, http3_datagram: bool) -> Self {
+        self.http3_datagram = http3_datagram;
+        self
+    }
+
+    #[must_use]
+    pub fn get_http3_datagram(&self) -> bool {
+        self.http3_datagram
+    }
+}