blob: a228b6a274e961e910a437e93b4888189bd88243 [file] [log] [blame]
// Copyright 2016 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 "http2/hpack/decoder/hpack_entry_collector.h"
#include "http2/hpack/decoder/hpack_string_collector.h"
#include "http2/hpack/http2_hpack_constants.h"
#include "http2/platform/api/http2_logging.h"
#include "http2/platform/api/http2_string_utils.h"
#include "http2/platform/api/http2_test_helpers.h"
#include "common/platform/api/quiche_test.h"
using ::testing::AssertionResult;
namespace http2 {
namespace test {
namespace {
const HpackEntryType kInvalidHeaderType = static_cast<HpackEntryType>(99);
const size_t kInvalidIndex = 99999999;
} // namespace
HpackEntryCollector::HpackEntryCollector() {
Clear();
}
HpackEntryCollector::HpackEntryCollector(const HpackEntryCollector& other) =
default;
HpackEntryCollector::HpackEntryCollector(HpackEntryType type,
size_t index_or_size)
: header_type_(type), index_(index_or_size), started_(true), ended_(true) {}
HpackEntryCollector::HpackEntryCollector(HpackEntryType type,
size_t index,
bool value_huffman,
const std::string& value)
: header_type_(type),
index_(index),
value_(value, value_huffman),
started_(true),
ended_(true) {}
HpackEntryCollector::HpackEntryCollector(HpackEntryType type,
bool name_huffman,
const std::string& name,
bool value_huffman,
const std::string& value)
: header_type_(type),
index_(0),
name_(name, name_huffman),
value_(value, value_huffman),
started_(true),
ended_(true) {}
HpackEntryCollector::~HpackEntryCollector() = default;
void HpackEntryCollector::OnIndexedHeader(size_t index) {
ASSERT_FALSE(started_);
ASSERT_TRUE(IsClear()) << ToString();
Init(HpackEntryType::kIndexedHeader, index);
ended_ = true;
}
void HpackEntryCollector::OnStartLiteralHeader(HpackEntryType header_type,
size_t maybe_name_index) {
ASSERT_FALSE(started_);
ASSERT_TRUE(IsClear()) << ToString();
Init(header_type, maybe_name_index);
}
void HpackEntryCollector::OnNameStart(bool huffman_encoded, size_t len) {
ASSERT_TRUE(started_);
ASSERT_FALSE(ended_);
ASSERT_FALSE(IsClear());
ASSERT_TRUE(LiteralNameExpected()) << ToString();
name_.OnStringStart(huffman_encoded, len);
}
void HpackEntryCollector::OnNameData(const char* data, size_t len) {
ASSERT_TRUE(started_);
ASSERT_FALSE(ended_);
ASSERT_TRUE(LiteralNameExpected()) << ToString();
ASSERT_TRUE(name_.IsInProgress());
name_.OnStringData(data, len);
}
void HpackEntryCollector::OnNameEnd() {
ASSERT_TRUE(started_);
ASSERT_FALSE(ended_);
ASSERT_TRUE(LiteralNameExpected()) << ToString();
ASSERT_TRUE(name_.IsInProgress());
name_.OnStringEnd();
}
void HpackEntryCollector::OnValueStart(bool huffman_encoded, size_t len) {
ASSERT_TRUE(started_);
ASSERT_FALSE(ended_);
if (LiteralNameExpected()) {
ASSERT_TRUE(name_.HasEnded());
}
ASSERT_TRUE(LiteralValueExpected()) << ToString();
ASSERT_TRUE(value_.IsClear()) << value_.ToString();
value_.OnStringStart(huffman_encoded, len);
}
void HpackEntryCollector::OnValueData(const char* data, size_t len) {
ASSERT_TRUE(started_);
ASSERT_FALSE(ended_);
ASSERT_TRUE(LiteralValueExpected()) << ToString();
ASSERT_TRUE(value_.IsInProgress());
value_.OnStringData(data, len);
}
void HpackEntryCollector::OnValueEnd() {
ASSERT_TRUE(started_);
ASSERT_FALSE(ended_);
ASSERT_TRUE(LiteralValueExpected()) << ToString();
ASSERT_TRUE(value_.IsInProgress());
value_.OnStringEnd();
ended_ = true;
}
void HpackEntryCollector::OnDynamicTableSizeUpdate(size_t size) {
ASSERT_FALSE(started_);
ASSERT_TRUE(IsClear()) << ToString();
Init(HpackEntryType::kDynamicTableSizeUpdate, size);
ended_ = true;
}
void HpackEntryCollector::Clear() {
header_type_ = kInvalidHeaderType;
index_ = kInvalidIndex;
name_.Clear();
value_.Clear();
started_ = ended_ = false;
}
bool HpackEntryCollector::IsClear() const {
return header_type_ == kInvalidHeaderType && index_ == kInvalidIndex &&
name_.IsClear() && value_.IsClear() && !started_ && !ended_;
}
bool HpackEntryCollector::IsComplete() const {
return started_ && ended_;
}
bool HpackEntryCollector::LiteralNameExpected() const {
switch (header_type_) {
case HpackEntryType::kIndexedLiteralHeader:
case HpackEntryType::kUnindexedLiteralHeader:
case HpackEntryType::kNeverIndexedLiteralHeader:
return index_ == 0;
default:
return false;
}
}
bool HpackEntryCollector::LiteralValueExpected() const {
switch (header_type_) {
case HpackEntryType::kIndexedLiteralHeader:
case HpackEntryType::kUnindexedLiteralHeader:
case HpackEntryType::kNeverIndexedLiteralHeader:
return true;
default:
return false;
}
}
AssertionResult HpackEntryCollector::ValidateIndexedHeader(
size_t expected_index) const {
VERIFY_TRUE(started_);
VERIFY_TRUE(ended_);
VERIFY_EQ(HpackEntryType::kIndexedHeader, header_type_);
VERIFY_EQ(expected_index, index_);
return ::testing::AssertionSuccess();
}
AssertionResult HpackEntryCollector::ValidateLiteralValueHeader(
HpackEntryType expected_type,
size_t expected_index,
bool expected_value_huffman,
absl::string_view expected_value) const {
VERIFY_TRUE(started_);
VERIFY_TRUE(ended_);
VERIFY_EQ(expected_type, header_type_);
VERIFY_NE(0u, expected_index);
VERIFY_EQ(expected_index, index_);
VERIFY_TRUE(name_.IsClear());
VERIFY_SUCCESS(value_.Collected(expected_value, expected_value_huffman));
return ::testing::AssertionSuccess();
}
AssertionResult HpackEntryCollector::ValidateLiteralNameValueHeader(
HpackEntryType expected_type,
bool expected_name_huffman,
absl::string_view expected_name,
bool expected_value_huffman,
absl::string_view expected_value) const {
VERIFY_TRUE(started_);
VERIFY_TRUE(ended_);
VERIFY_EQ(expected_type, header_type_);
VERIFY_EQ(0u, index_);
VERIFY_SUCCESS(name_.Collected(expected_name, expected_name_huffman));
VERIFY_SUCCESS(value_.Collected(expected_value, expected_value_huffman));
return ::testing::AssertionSuccess();
}
AssertionResult HpackEntryCollector::ValidateDynamicTableSizeUpdate(
size_t size) const {
VERIFY_TRUE(started_);
VERIFY_TRUE(ended_);
VERIFY_EQ(HpackEntryType::kDynamicTableSizeUpdate, header_type_);
VERIFY_EQ(index_, size);
return ::testing::AssertionSuccess();
}
void HpackEntryCollector::AppendToHpackBlockBuilder(
HpackBlockBuilder* hbb) const {
ASSERT_TRUE(started_ && ended_) << *this;
switch (header_type_) {
case HpackEntryType::kIndexedHeader:
hbb->AppendIndexedHeader(index_);
return;
case HpackEntryType::kDynamicTableSizeUpdate:
hbb->AppendDynamicTableSizeUpdate(index_);
return;
case HpackEntryType::kIndexedLiteralHeader:
case HpackEntryType::kUnindexedLiteralHeader:
case HpackEntryType::kNeverIndexedLiteralHeader:
ASSERT_TRUE(value_.HasEnded()) << *this;
if (index_ != 0) {
QUICHE_CHECK(name_.IsClear());
hbb->AppendNameIndexAndLiteralValue(header_type_, index_,
value_.huffman_encoded, value_.s);
} else {
QUICHE_CHECK(name_.HasEnded()) << *this;
hbb->AppendLiteralNameAndValue(header_type_, name_.huffman_encoded,
name_.s, value_.huffman_encoded,
value_.s);
}
return;
default:
ADD_FAILURE() << *this;
}
}
std::string HpackEntryCollector::ToString() const {
std::string result("Type=");
switch (header_type_) {
case HpackEntryType::kIndexedHeader:
result += "IndexedHeader";
break;
case HpackEntryType::kDynamicTableSizeUpdate:
result += "DynamicTableSizeUpdate";
break;
case HpackEntryType::kIndexedLiteralHeader:
result += "IndexedLiteralHeader";
break;
case HpackEntryType::kUnindexedLiteralHeader:
result += "UnindexedLiteralHeader";
break;
case HpackEntryType::kNeverIndexedLiteralHeader:
result += "NeverIndexedLiteralHeader";
break;
default:
if (header_type_ == kInvalidHeaderType) {
result += "<unset>";
} else {
Http2StrAppend(&result, header_type_);
}
}
if (index_ != 0) {
Http2StrAppend(&result, " Index=", index_);
}
if (!name_.IsClear()) {
Http2StrAppend(&result, " Name", name_.ToString());
}
if (!value_.IsClear()) {
Http2StrAppend(&result, " Value", value_.ToString());
}
if (!started_) {
EXPECT_FALSE(ended_);
Http2StrAppend(&result, " !started");
} else if (!ended_) {
Http2StrAppend(&result, " !ended");
} else {
Http2StrAppend(&result, " Complete");
}
return result;
}
void HpackEntryCollector::Init(HpackEntryType type, size_t maybe_index) {
ASSERT_TRUE(IsClear()) << ToString();
header_type_ = type;
index_ = maybe_index;
started_ = true;
}
bool operator==(const HpackEntryCollector& a, const HpackEntryCollector& b) {
return a.name() == b.name() && a.value() == b.value() &&
a.index() == b.index() && a.header_type() == b.header_type() &&
a.started() == b.started() && a.ended() == b.ended();
}
bool operator!=(const HpackEntryCollector& a, const HpackEntryCollector& b) {
return !(a == b);
}
std::ostream& operator<<(std::ostream& out, const HpackEntryCollector& v) {
return out << v.ToString();
}
} // namespace test
} // namespace http2