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// 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.
use serde::Deserialize;
use serde::Serialize;
use super::RawInfo;
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = "snake_case")]
pub enum H3Owner {
Local,
Remote,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = "snake_case")]
pub enum H3StreamType {
Request,
Control,
Push,
Reserved,
Unknown,
QpackEncode,
QpackDecode,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = "snake_case")]
pub enum H3PushDecision {
Claimed,
Abandoned,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = "snake_case")]
pub enum H3PriorityTargetStreamType {
Request,
Push,
}
#[derive(Serialize, Deserialize, Clone, Copy, PartialEq, Eq, Debug)]
#[serde(rename_all = "snake_case")]
pub enum Http3EventType {
ParametersSet,
ParametersRestored,
StreamTypeSet,
FrameCreated,
FrameParsed,
PushResolved,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = "snake_case")]
pub enum ApplicationError {
HttpNoError,
HttpGeneralProtocolError,
HttpInternalError,
HttpRequestCancelled,
HttpIncompleteRequest,
HttpConnectError,
HttpFrameError,
HttpExcessiveLoad,
HttpVersionFallback,
HttpIdError,
HttpStreamCreationError,
HttpClosedCriticalStream,
HttpEarlyResponse,
HttpMissingSettings,
HttpUnexpectedFrame,
HttpRequestRejection,
HttpSettingsError,
Unknown,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
pub struct HttpHeader {
pub name: String,
pub value: String,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
pub struct Setting {
pub name: String,
pub value: u64,
}
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(rename_all = "snake_case")]
pub enum Http3FrameTypeName {
Data,
Headers,
CancelPush,
Settings,
PushPromise,
Goaway,
MaxPushId,
DuplicatePush,
Reserved,
Unknown,
}
#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
#[serde(tag = "frame_type")]
#[serde(rename_all = "snake_case")]
// 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.
pub enum Http3Frame {
Data {
raw: Option<RawInfo>,
},
Headers {
headers: Vec<HttpHeader>,
},
CancelPush {
push_id: u64,
},
Settings {
settings: Vec<Setting>,
},
PushPromise {
push_id: u64,
headers: Vec<HttpHeader>,
},
Goaway {
id: u64,
},
MaxPushId {
push_id: u64,
},
PriorityUpdate {
target_stream_type: H3PriorityTargetStreamType,
prioritized_element_id: u64,
priority_field_value: String,
},
Reserved {
length: Option<u64>,
},
Unknown {
frame_type_value: u64,
raw: Option<RawInfo>,
},
}
#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
pub struct H3ParametersSet {
pub owner: Option<H3Owner>,
#[serde(alias = "max_header_list_size")]
pub max_field_section_size: Option<u64>,
pub max_table_capacity: Option<u64>,
pub blocked_streams_count: Option<u64>,
pub enable_connect_protocol: Option<u64>,
pub h3_datagram: Option<u64>,
// qlog-defined
pub waits_for_settings: Option<bool>,
}
#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
pub struct H3ParametersRestored {
#[serde(alias = "max_header_list_size")]
pub max_field_section_size: Option<u64>,
pub max_table_capacity: Option<u64>,
pub blocked_streams_count: Option<u64>,
pub enable_connect_protocol: Option<u64>,
pub h3_datagram: Option<u64>,
}
#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
pub struct H3StreamTypeSet {
pub owner: Option<H3Owner>,
pub stream_id: u64,
pub stream_type: H3StreamType,
pub stream_type_value: Option<u64>,
pub associated_push_id: Option<u64>,
}
#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
pub struct H3FrameCreated {
pub stream_id: u64,
pub length: Option<u64>,
pub frame: Http3Frame,
pub raw: Option<RawInfo>,
}
#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
pub struct H3FrameParsed {
pub stream_id: u64,
pub length: Option<u64>,
pub frame: Http3Frame,
pub raw: Option<RawInfo>,
}
#[serde_with::skip_serializing_none]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
pub struct H3PushResolved {
push_id: Option<u64>,
stream_id: Option<u64>,
decision: Option<H3PushDecision>,
}