mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 22:36:09 +03:00
85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
|
// Copyright 2013 The Chromium Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#include "net/quic/chromium/quic_http_utils.h"
|
||
|
|
|
||
|
|
#include <utility>
|
||
|
|
|
||
|
|
#include "base/metrics/histogram_macros.h"
|
||
|
|
#include "net/quic/platform/api/quic_endian.h"
|
||
|
|
|
||
|
|
namespace net {
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
enum AltSvcFormat { GOOGLE_FORMAT = 0, IETF_FORMAT = 1, ALTSVC_FORMAT_MAX };
|
||
|
|
|
||
|
|
void RecordAltSvcFormat(AltSvcFormat format) {
|
||
|
|
UMA_HISTOGRAM_ENUMERATION("Net.QuicAltSvcFormat", format, ALTSVC_FORMAT_MAX);
|
||
|
|
}
|
||
|
|
|
||
|
|
}; // namespace
|
||
|
|
|
||
|
|
SpdyPriority ConvertRequestPriorityToQuicPriority(
|
||
|
|
const RequestPriority priority) {
|
||
|
|
DCHECK_GE(priority, MINIMUM_PRIORITY);
|
||
|
|
DCHECK_LE(priority, MAXIMUM_PRIORITY);
|
||
|
|
return static_cast<SpdyPriority>(HIGHEST - priority);
|
||
|
|
}
|
||
|
|
|
||
|
|
RequestPriority ConvertQuicPriorityToRequestPriority(SpdyPriority priority) {
|
||
|
|
// Handle invalid values gracefully.
|
||
|
|
return (priority >= 5) ? IDLE
|
||
|
|
: static_cast<RequestPriority>(HIGHEST - priority);
|
||
|
|
}
|
||
|
|
|
||
|
|
std::unique_ptr<base::Value> QuicRequestNetLogCallback(
|
||
|
|
QuicStreamId stream_id,
|
||
|
|
const SpdyHeaderBlock* headers,
|
||
|
|
SpdyPriority priority,
|
||
|
|
NetLogCaptureMode capture_mode) {
|
||
|
|
std::unique_ptr<base::DictionaryValue> dict(
|
||
|
|
static_cast<base::DictionaryValue*>(
|
||
|
|
SpdyHeaderBlockNetLogCallback(headers, capture_mode).release()));
|
||
|
|
dict->SetInteger("quic_priority", static_cast<int>(priority));
|
||
|
|
dict->SetInteger("quic_stream_id", static_cast<int>(stream_id));
|
||
|
|
return std::move(dict);
|
||
|
|
}
|
||
|
|
|
||
|
|
QuicTransportVersionVector FilterSupportedAltSvcVersions(
|
||
|
|
const SpdyAltSvcWireFormat::AlternativeService& quic_alt_svc,
|
||
|
|
const QuicTransportVersionVector& supported_versions,
|
||
|
|
bool support_ietf_format_quic_altsvc) {
|
||
|
|
QuicTransportVersionVector supported_alt_svc_versions;
|
||
|
|
if (support_ietf_format_quic_altsvc && quic_alt_svc.protocol_id == "hq") {
|
||
|
|
// Using IETF format for advertising QUIC. In this case,
|
||
|
|
// |alternative_service_entry.version| will store QUIC version labels.
|
||
|
|
for (uint32_t quic_version_label : quic_alt_svc.version) {
|
||
|
|
for (QuicTransportVersion supported : supported_versions) {
|
||
|
|
QuicVersionLabel supported_version_label_network_order =
|
||
|
|
FLAGS_quic_reloadable_flag_quic_use_net_byte_order_version_label
|
||
|
|
? QuicVersionToQuicVersionLabel(supported)
|
||
|
|
: QuicEndian::HostToNet32(
|
||
|
|
QuicVersionToQuicVersionLabel(supported));
|
||
|
|
if (supported_version_label_network_order == quic_version_label) {
|
||
|
|
supported_alt_svc_versions.push_back(supported);
|
||
|
|
RecordAltSvcFormat(IETF_FORMAT);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else if (quic_alt_svc.protocol_id == "quic") {
|
||
|
|
for (uint32_t quic_version : quic_alt_svc.version) {
|
||
|
|
for (QuicTransportVersion supported : supported_versions) {
|
||
|
|
if (static_cast<uint32_t>(supported) == quic_version) {
|
||
|
|
supported_alt_svc_versions.push_back(supported);
|
||
|
|
RecordAltSvcFormat(GOOGLE_FORMAT);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return supported_alt_svc_versions;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace net
|