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</pre></div><pre class="rust"><code><span class="comment">// Copyright (C) 2021, Cloudflare, Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
</span><span class="kw">use </span>serde::Deserialize;
<span class="kw">use </span>serde::Serialize;
<span class="kw">use </span><span class="kw">super</span>::RawInfo;
<span class="attr">#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = <span class="string">"snake_case"</span>)]
</span><span class="kw">pub enum </span>H3Owner {
Local,
Remote,
}
<span class="attr">#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = <span class="string">"snake_case"</span>)]
</span><span class="kw">pub enum </span>H3StreamType {
Request,
Control,
Push,
Reserved,
Unknown,
QpackEncode,
QpackDecode,
}
<span class="attr">#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = <span class="string">"snake_case"</span>)]
</span><span class="kw">pub enum </span>H3PushDecision {
Claimed,
Abandoned,
}
<span class="attr">#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = <span class="string">"snake_case"</span>)]
</span><span class="kw">pub enum </span>H3PriorityTargetStreamType {
Request,
Push,
}
<span class="attr">#[derive(Serialize, Deserialize, Clone, Copy, PartialEq, Eq, Debug)]
#[serde(rename_all = <span class="string">"snake_case"</span>)]
</span><span class="kw">pub enum </span>Http3EventType {
ParametersSet,
ParametersRestored,
StreamTypeSet,
FrameCreated,
FrameParsed,
PushResolved,
}
<span class="attr">#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = <span class="string">"snake_case"</span>)]
</span><span class="kw">pub enum </span>ApplicationError {
HttpNoError,
HttpGeneralProtocolError,
HttpInternalError,
HttpRequestCancelled,
HttpIncompleteRequest,
HttpConnectError,
HttpFrameError,
HttpExcessiveLoad,
HttpVersionFallback,
HttpIdError,
HttpStreamCreationError,
HttpClosedCriticalStream,
HttpEarlyResponse,
HttpMissingSettings,
HttpUnexpectedFrame,
HttpRequestRejection,
HttpSettingsError,
Unknown,
}
<span class="attr">#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
</span><span class="kw">pub struct </span>HttpHeader {
<span class="kw">pub </span>name: String,
<span class="kw">pub </span>value: String,
}
<span class="attr">#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
</span><span class="kw">pub struct </span>Setting {
<span class="kw">pub </span>name: String,
<span class="kw">pub </span>value: u64,
}
<span class="attr">#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = <span class="string">"snake_case"</span>)]
</span><span class="kw">pub enum </span>Http3FrameTypeName {
Data,
Headers,
CancelPush,
Settings,
PushPromise,
Goaway,
MaxPushId,
DuplicatePush,
Reserved,
Unknown,
}
<span class="attr">#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(tag = <span class="string">"frame_type"</span>)]
#[serde(rename_all = <span class="string">"snake_case"</span>)]
</span><span class="comment">// Strictly, the qlog spec says that all these frame types have a frame_type
// field. But instead of making that a rust object property, just use serde to
// ensure it goes out on the wire. This means that deserialization of frames
// also works automatically.
</span><span class="kw">pub enum </span>Http3Frame {
Data {
raw: <span class="prelude-ty">Option</span>&lt;RawInfo&gt;,
},
Headers {
headers: Vec&lt;HttpHeader&gt;,
},
CancelPush {
push_id: u64,
},
Settings {
settings: Vec&lt;Setting&gt;,
},
PushPromise {
push_id: u64,
headers: Vec&lt;HttpHeader&gt;,
},
Goaway {
id: u64,
},
MaxPushId {
push_id: u64,
},
PriorityUpdate {
target_stream_type: H3PriorityTargetStreamType,
prioritized_element_id: u64,
priority_field_value: String,
},
Reserved {
length: <span class="prelude-ty">Option</span>&lt;u64&gt;,
},
Unknown {
frame_type_value: u64,
raw: <span class="prelude-ty">Option</span>&lt;RawInfo&gt;,
},
}
<span class="attr">#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
</span><span class="kw">pub struct </span>H3ParametersSet {
<span class="kw">pub </span>owner: <span class="prelude-ty">Option</span>&lt;H3Owner&gt;,
<span class="attr">#[serde(alias = <span class="string">"max_header_list_size"</span>)]
</span><span class="kw">pub </span>max_field_section_size: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>max_table_capacity: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>blocked_streams_count: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>enable_connect_protocol: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>h3_datagram: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="comment">// qlog-defined
</span><span class="kw">pub </span>waits_for_settings: <span class="prelude-ty">Option</span>&lt;bool&gt;,
}
<span class="attr">#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
</span><span class="kw">pub struct </span>H3ParametersRestored {
<span class="attr">#[serde(alias = <span class="string">"max_header_list_size"</span>)]
</span><span class="kw">pub </span>max_field_section_size: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>max_table_capacity: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>blocked_streams_count: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>enable_connect_protocol: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>h3_datagram: <span class="prelude-ty">Option</span>&lt;u64&gt;,
}
<span class="attr">#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
</span><span class="kw">pub struct </span>H3StreamTypeSet {
<span class="kw">pub </span>owner: <span class="prelude-ty">Option</span>&lt;H3Owner&gt;,
<span class="kw">pub </span>stream_id: u64,
<span class="kw">pub </span>stream_type: H3StreamType,
<span class="kw">pub </span>stream_type_value: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>associated_push_id: <span class="prelude-ty">Option</span>&lt;u64&gt;,
}
<span class="attr">#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
</span><span class="kw">pub struct </span>H3FrameCreated {
<span class="kw">pub </span>stream_id: u64,
<span class="kw">pub </span>length: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>frame: Http3Frame,
<span class="kw">pub </span>raw: <span class="prelude-ty">Option</span>&lt;RawInfo&gt;,
}
<span class="attr">#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
</span><span class="kw">pub struct </span>H3FrameParsed {
<span class="kw">pub </span>stream_id: u64,
<span class="kw">pub </span>length: <span class="prelude-ty">Option</span>&lt;u64&gt;,
<span class="kw">pub </span>frame: Http3Frame,
<span class="kw">pub </span>raw: <span class="prelude-ty">Option</span>&lt;RawInfo&gt;,
}
<span class="attr">#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
</span><span class="kw">pub struct </span>H3PushResolved {
push_id: <span class="prelude-ty">Option</span>&lt;u64&gt;,
stream_id: <span class="prelude-ty">Option</span>&lt;u64&gt;,
decision: <span class="prelude-ty">Option</span>&lt;H3PushDecision&gt;,
}
</code></pre></div></section></main></body></html>