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quiche / quiche / fd387ea02e2863fa4121f36fb5e7ff0a270af6f7 / . / quiche / http2 / adapter / nghttp2_adapter_test.cc
blob: c03fc1b290c09c838a9d3ef54f798bab6c08cf11 [file] [log] [blame]
#include "quiche/http2/adapter/nghttp2_adapter.h"
#include <memory>
#include "quiche/http2/adapter/http2_protocol.h"
#include "quiche/http2/adapter/http2_visitor_interface.h"
#include "quiche/http2/adapter/mock_http2_visitor.h"
#include "quiche/http2/adapter/nghttp2.h"
#include "quiche/http2/adapter/nghttp2_test_utils.h"
#include "quiche/http2/adapter/oghttp2_util.h"
#include "quiche/http2/adapter/test_frame_sequence.h"
#include "quiche/http2/adapter/test_utils.h"
#include "quiche/common/platform/api/quiche_test.h"
namespace http2 {
namespace adapter {
namespace test {
namespace {
using ConnectionError = Http2VisitorInterface::ConnectionError;
using spdy::SpdyFrameType;
using testing::_;
enum FrameType {
DATA,
HEADERS,
PRIORITY,
RST_STREAM,
SETTINGS,
PUSH_PROMISE,
PING,
GOAWAY,
WINDOW_UPDATE,
CONTINUATION,
};
// This send callback assumes |source|'s pointer is a TestDataSource, and
// |user_data| is a Http2VisitorInterface.
int TestSendCallback(nghttp2_session*, nghttp2_frame* /*frame*/,
const uint8_t* framehd, size_t length,
nghttp2_data_source* source, void* user_data) {
auto* visitor = static_cast<Http2VisitorInterface*>(user_data);
// Send the frame header via the visitor.
ssize_t result = visitor->OnReadyToSend(ToStringView(framehd, 9));
if (result == 0) {
return NGHTTP2_ERR_WOULDBLOCK;
}
auto* test_source = static_cast<TestDataSource*>(source->ptr);
absl::string_view payload = test_source->ReadNext(length);
// Send the frame payload via the visitor.
visitor->OnReadyToSend(payload);
return 0;
}
TEST(NgHttp2AdapterTest, ClientConstruction) {
testing::StrictMock<MockHttp2Visitor> visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
ASSERT_NE(nullptr, adapter);
EXPECT_TRUE(adapter->want_read());
EXPECT_FALSE(adapter->want_write());
EXPECT_FALSE(adapter->IsServerSession());
}
TEST(NgHttp2AdapterTest, ClientHandlesFrames) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
int result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(),
testing::StrEq(spdy::kHttp2ConnectionHeaderPrefix));
visitor.Clear();
EXPECT_EQ(0, adapter->GetHighestReceivedStreamId());
const std::string initial_frames = TestFrameSequence()
.ServerPreface()
.Ping(42)
.WindowUpdate(0, 1000)
.Serialize();
testing::InSequence s;
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(0, 8, PING, 0));
EXPECT_CALL(visitor, OnPing(42, false));
EXPECT_CALL(visitor, OnFrameHeader(0, 4, WINDOW_UPDATE, 0));
EXPECT_CALL(visitor, OnWindowUpdate(0, 1000));
const int64_t initial_result = adapter->ProcessBytes(initial_frames);
EXPECT_EQ(initial_frames.size(), initial_result);
EXPECT_EQ(adapter->GetSendWindowSize(), kInitialFlowControlWindowSize + 1000);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(PING, 0, 8, 0x1));
EXPECT_CALL(visitor, OnFrameSent(PING, 0, 8, 0x1, 0));
result = adapter->Send();
// Some bytes should have been serialized.
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(),
EqualsFrames({SpdyFrameType::SETTINGS, SpdyFrameType::PING}));
visitor.Clear();
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const std::vector<Header> headers2 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/two"}});
const std::vector<Header> headers3 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/three"}});
const char* kSentinel1 = "arbitrary pointer 1";
const char* kSentinel3 = "arbitrary pointer 3";
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, nullptr, true, const_cast<char*>(kSentinel1));
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
const int32_t stream_id2 =
adapter->SubmitRequest(headers2, nullptr, true, nullptr);
ASSERT_GT(stream_id2, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id2;
const int32_t stream_id3 = adapter->SubmitRequest(
headers3, nullptr, true, const_cast<char*>(kSentinel3));
ASSERT_GT(stream_id3, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id3;
const char* kSentinel2 = "arbitrary pointer 2";
adapter->SetStreamUserData(stream_id2, const_cast<char*>(kSentinel2));
adapter->SetStreamUserData(stream_id3, nullptr);
// These requests did not include a body, so they do not have corresponding
// DataFrameSources.
EXPECT_EQ(adapter->sources_size(), 0);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id2, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id2, _, 0x5, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id3, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id3, _, 0x5, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(),
EqualsFrames({SpdyFrameType::HEADERS, SpdyFrameType::HEADERS,
SpdyFrameType::HEADERS}));
visitor.Clear();
// All streams are active and have not yet received any data, so the receive
// window should be at the initial value.
EXPECT_EQ(kInitialFlowControlWindowSize,
adapter->GetStreamReceiveWindowSize(stream_id1));
EXPECT_EQ(kInitialFlowControlWindowSize,
adapter->GetStreamReceiveWindowSize(stream_id2));
EXPECT_EQ(kInitialFlowControlWindowSize,
adapter->GetStreamReceiveWindowSize(stream_id3));
// Upper bound on the flow control receive window should be the initial value.
EXPECT_EQ(kInitialFlowControlWindowSize,
adapter->GetStreamReceiveWindowLimit(stream_id1));
// Connection has not yet received any data.
EXPECT_EQ(kInitialFlowControlWindowSize, adapter->GetReceiveWindowSize());
EXPECT_EQ(0, adapter->GetHighestReceivedStreamId());
EXPECT_EQ(kSentinel1, adapter->GetStreamUserData(stream_id1));
EXPECT_EQ(kSentinel2, adapter->GetStreamUserData(stream_id2));
EXPECT_EQ(nullptr, adapter->GetStreamUserData(stream_id3));
EXPECT_EQ(0, adapter->GetHpackDecoderDynamicTableSize());
const std::string stream_frames =
TestFrameSequence()
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Data(1, "This is the response body.")
.RstStream(3, Http2ErrorCode::INTERNAL_ERROR)
.GoAway(5, Http2ErrorCode::ENHANCE_YOUR_CALM, "calm down!!")
.Serialize();
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "200"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "server", "my-fake-server"));
EXPECT_CALL(visitor,
OnHeaderForStream(1, "date", "Tue, 6 Apr 2021 12:54:01 GMT"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, 26, DATA, 0));
EXPECT_CALL(visitor, OnBeginDataForStream(1, 26));
EXPECT_CALL(visitor, OnDataForStream(1, "This is the response body."));
EXPECT_CALL(visitor, OnFrameHeader(3, 4, RST_STREAM, 0));
EXPECT_CALL(visitor, OnRstStream(3, Http2ErrorCode::INTERNAL_ERROR));
EXPECT_CALL(visitor, OnCloseStream(3, Http2ErrorCode::INTERNAL_ERROR))
.WillOnce(
[&adapter](Http2StreamId stream_id, Http2ErrorCode /*error_code*/) {
adapter->RemoveStream(stream_id);
return true;
});
EXPECT_CALL(visitor, OnFrameHeader(0, 19, GOAWAY, 0));
EXPECT_CALL(visitor,
OnGoAway(5, Http2ErrorCode::ENHANCE_YOUR_CALM, "calm down!!"));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), stream_result);
// First stream has received some data.
EXPECT_GT(kInitialFlowControlWindowSize,
adapter->GetStreamReceiveWindowSize(stream_id1));
// Second stream was closed.
EXPECT_EQ(-1, adapter->GetStreamReceiveWindowSize(stream_id2));
// Third stream has not received any data.
EXPECT_EQ(kInitialFlowControlWindowSize,
adapter->GetStreamReceiveWindowSize(stream_id3));
// Connection window should be the same as the first stream.
EXPECT_EQ(adapter->GetReceiveWindowSize(),
adapter->GetStreamReceiveWindowSize(stream_id1));
// Upper bound on the flow control receive window should still be the initial
// value.
EXPECT_EQ(kInitialFlowControlWindowSize,
adapter->GetStreamReceiveWindowLimit(stream_id1));
EXPECT_GT(adapter->GetHpackDecoderDynamicTableSize(), 0);
// Should be 3, but this method only works for server adapters.
EXPECT_EQ(0, adapter->GetHighestReceivedStreamId());
// Even though the client recieved a GOAWAY, streams 1 and 5 are still active.
EXPECT_TRUE(adapter->want_read());
EXPECT_CALL(visitor, OnFrameHeader(1, 0, DATA, 1));
EXPECT_CALL(visitor, OnBeginDataForStream(1, 0));
EXPECT_CALL(visitor, OnEndStream(1));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::HTTP2_NO_ERROR))
.WillOnce(
[&adapter](Http2StreamId stream_id, Http2ErrorCode /*error_code*/) {
adapter->RemoveStream(stream_id);
return true;
});
EXPECT_CALL(visitor, OnFrameHeader(5, 4, RST_STREAM, 0));
EXPECT_CALL(visitor, OnRstStream(5, Http2ErrorCode::REFUSED_STREAM));
EXPECT_CALL(visitor, OnCloseStream(5, Http2ErrorCode::REFUSED_STREAM))
.WillOnce(
[&adapter](Http2StreamId stream_id, Http2ErrorCode /*error_code*/) {
adapter->RemoveStream(stream_id);
return true;
});
adapter->ProcessBytes(TestFrameSequence()
.Data(1, "", true)
.RstStream(5, Http2ErrorCode::REFUSED_STREAM)
.Serialize());
// Should be 5, but this method only works for server adapters.
EXPECT_EQ(0, adapter->GetHighestReceivedStreamId());
// After receiving END_STREAM for 1 and RST_STREAM for 5, the session no
// longer expects reads.
EXPECT_FALSE(adapter->want_read());
// Client will not have anything else to write.
EXPECT_FALSE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), testing::IsEmpty());
}
TEST(NgHttp2AdapterTest, QueuingWindowUpdateAffectsWindow) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
EXPECT_EQ(adapter->GetReceiveWindowSize(), kInitialFlowControlWindowSize);
adapter->SubmitWindowUpdate(0, 10000);
EXPECT_EQ(adapter->GetReceiveWindowSize(),
kInitialFlowControlWindowSize + 10000);
const std::vector<Header> headers =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id =
adapter->SubmitRequest(headers, nullptr, true, nullptr);
EXPECT_CALL(visitor, OnBeforeFrameSent(WINDOW_UPDATE, 0, 4, 0x0));
EXPECT_CALL(visitor, OnFrameSent(WINDOW_UPDATE, 0, 4, 0x0, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_EQ(adapter->GetStreamReceiveWindowSize(stream_id),
kInitialFlowControlWindowSize);
adapter->SubmitWindowUpdate(1, 20000);
EXPECT_EQ(adapter->GetStreamReceiveWindowSize(stream_id),
kInitialFlowControlWindowSize + 20000);
}
TEST(NgHttp2AdapterTest, AckOfSettingInitialWindowSizeAffectsWindow) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers, nullptr, true, nullptr);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
const std::string initial_frames =
TestFrameSequence().ServerPreface().Serialize();
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0x0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
int64_t parse_result = adapter->ProcessBytes(initial_frames);
EXPECT_EQ(initial_frames.size(), static_cast<size_t>(parse_result));
EXPECT_EQ(adapter->GetStreamReceiveWindowSize(stream_id1),
kInitialFlowControlWindowSize);
adapter->SubmitSettings({{INITIAL_WINDOW_SIZE, 80000u}});
// No update for the first stream, yet.
EXPECT_EQ(adapter->GetStreamReceiveWindowSize(stream_id1),
kInitialFlowControlWindowSize);
// Ack of server's initial settings.
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
// Outbound SETTINGS containing INITIAL_WINDOW_SIZE.
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 6, 0x0));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 6, 0x0, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
// Still no update, as a SETTINGS ack has not yet been received.
EXPECT_EQ(adapter->GetStreamReceiveWindowSize(stream_id1),
kInitialFlowControlWindowSize);
const std::string settings_ack =
TestFrameSequence().SettingsAck().Serialize();
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0x1));
EXPECT_CALL(visitor, OnSettingsAck);
parse_result = adapter->ProcessBytes(settings_ack);
EXPECT_EQ(settings_ack.size(), static_cast<size_t>(parse_result));
// Stream window has been updated.
EXPECT_EQ(adapter->GetStreamReceiveWindowSize(stream_id1), 80000);
const std::vector<Header> headers2 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/two"}});
const int32_t stream_id2 =
adapter->SubmitRequest(headers, nullptr, true, nullptr);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id2, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id2, _, 0x5, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_EQ(adapter->GetStreamReceiveWindowSize(stream_id2), 80000);
}
TEST(NgHttp2AdapterTest, ClientRejects100HeadersWithFin) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1, {{":status", "100"}}, /*fin=*/false)
.Headers(1, {{":status", "100"}}, /*fin=*/true)
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "100"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 5));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "100"));
EXPECT_CALL(visitor,
OnInvalidFrame(
1, Http2VisitorInterface::InvalidFrameError::kHttpMessaging));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), static_cast<size_t>(stream_result));
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(RST_STREAM, 1, _, 0x0));
EXPECT_CALL(visitor, OnFrameSent(RST_STREAM, 1, _, 0x0, 1));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::PROTOCOL_ERROR));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS,
SpdyFrameType::RST_STREAM}));
}
TEST(NgHttp2AdapterTest, ClientRejects100HeadersWithContent) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1, {{":status", "100"}},
/*fin=*/false)
.Data(1, "We needed the final headers before data, whoops")
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "100"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, _, DATA, 0));
EXPECT_CALL(visitor, OnBeginDataForStream(1, _));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), static_cast<size_t>(stream_result));
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(RST_STREAM, 1, _, 0x0));
EXPECT_CALL(visitor,
OnFrameSent(RST_STREAM, 1, _, 0x0,
static_cast<int>(Http2ErrorCode::PROTOCOL_ERROR)));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::PROTOCOL_ERROR));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS,
SpdyFrameType::RST_STREAM}));
}
TEST(NgHttp2AdapterTest, ClientRejects100HeadersWithContentLength) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1, {{":status", "100"}, {"content-length", "42"}},
/*fin=*/false)
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/true)
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "100"));
EXPECT_CALL(
visitor,
OnErrorDebug("Invalid HTTP header field was received: frame type: 1, "
"stream: 1, name: [content-length], value: [42]"));
EXPECT_CALL(
visitor,
OnInvalidFrame(1, Http2VisitorInterface::InvalidFrameError::kHttpHeader));
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 5));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), static_cast<size_t>(stream_result));
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(RST_STREAM, 1, _, 0x0));
EXPECT_CALL(visitor,
OnFrameSent(RST_STREAM, 1, _, 0x0,
static_cast<int>(Http2ErrorCode::PROTOCOL_ERROR)));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::PROTOCOL_ERROR));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS,
SpdyFrameType::RST_STREAM}));
}
TEST(NgHttp2AdapterTest, ClientHandles204WithContent) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
const std::vector<Header> headers2 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/two"}});
const int32_t stream_id2 =
adapter->SubmitRequest(headers2, nullptr, true, nullptr);
ASSERT_GT(stream_id2, stream_id1);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id2, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id2, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1, {{":status", "204"}, {"content-length", "2"}},
/*fin=*/false)
.Data(1, "hi")
.Headers(3, {{":status", "204"}}, /*fin=*/false)
.Data(3, "hi")
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "204"));
EXPECT_CALL(
visitor,
OnErrorDebug("Invalid HTTP header field was received: frame type: 1, "
"stream: 1, name: [content-length], value: [2]"));
EXPECT_CALL(
visitor,
OnInvalidFrame(1, Http2VisitorInterface::InvalidFrameError::kHttpHeader));
EXPECT_CALL(visitor, OnFrameHeader(3, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(3));
EXPECT_CALL(visitor, OnHeaderForStream(3, ":status", "204"));
EXPECT_CALL(visitor, OnEndHeadersForStream(3));
EXPECT_CALL(visitor, OnFrameHeader(3, _, DATA, 0));
EXPECT_CALL(visitor, OnBeginDataForStream(3, 2));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), static_cast<size_t>(stream_result));
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(RST_STREAM, 1, _, 0x0));
EXPECT_CALL(visitor,
OnFrameSent(RST_STREAM, 1, _, 0x0,
static_cast<int>(Http2ErrorCode::PROTOCOL_ERROR)));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::PROTOCOL_ERROR));
EXPECT_CALL(visitor, OnBeforeFrameSent(RST_STREAM, 3, _, 0x0));
EXPECT_CALL(visitor,
OnFrameSent(RST_STREAM, 3, _, 0x0,
static_cast<int>(Http2ErrorCode::PROTOCOL_ERROR)));
EXPECT_CALL(visitor, OnCloseStream(3, Http2ErrorCode::PROTOCOL_ERROR));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(),
EqualsFrames({SpdyFrameType::SETTINGS, SpdyFrameType::RST_STREAM,
SpdyFrameType::RST_STREAM}));
}
TEST(NgHttp2AdapterTest, ClientHandles304WithContent) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1, {{":status", "304"}, {"content-length", "2"}},
/*fin=*/false)
.Data(1, "hi")
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "304"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "content-length", "2"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, _, DATA, 0));
EXPECT_CALL(visitor, OnBeginDataForStream(1, 2));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), static_cast<size_t>(stream_result));
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(RST_STREAM, 1, _, 0x0));
EXPECT_CALL(visitor,
OnFrameSent(RST_STREAM, 1, _, 0x0,
static_cast<int>(Http2ErrorCode::PROTOCOL_ERROR)));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::PROTOCOL_ERROR));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS,
SpdyFrameType::RST_STREAM}));
}
TEST(NgHttp2AdapterTest, ClientHandles304WithContentLength) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id =
adapter->SubmitRequest(headers, nullptr, true, nullptr);
ASSERT_GT(stream_id, 0);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1, {{":status", "304"}, {"content-length", "2"}},
/*fin=*/true)
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 5));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "304"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "content-length", "2"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnEndStream(1));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::HTTP2_NO_ERROR));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), static_cast<size_t>(stream_result));
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
}
TEST(NgHttp2AdapterTest, ClientHandlesTrailers) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const char* kSentinel1 = "arbitrary pointer 1";
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, nullptr, true, const_cast<char*>(kSentinel1));
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Data(1, "This is the response body.")
.Headers(1, {{"final-status", "A-OK"}},
/*fin=*/true)
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "200"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "server", "my-fake-server"));
EXPECT_CALL(visitor,
OnHeaderForStream(1, "date", "Tue, 6 Apr 2021 12:54:01 GMT"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, 26, DATA, 0));
EXPECT_CALL(visitor, OnBeginDataForStream(1, 26));
EXPECT_CALL(visitor, OnDataForStream(1, "This is the response body."));
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 5));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, "final-status", "A-OK"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnEndStream(1));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::HTTP2_NO_ERROR));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
}
class NgHttp2AdapterDataTest : public quiche::test::QuicheTestWithParam<bool> {
};
INSTANTIATE_TEST_SUITE_P(BothValues, NgHttp2AdapterDataTest, testing::Bool());
TEST_P(NgHttp2AdapterDataTest, ClientSendsTrailers) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const Http2StreamId kStreamId = 1;
const std::string kBody = "This is an example request body.";
visitor.AppendPayloadForStream(kStreamId, kBody);
visitor.SetEndData(kStreamId, false);
auto body1 = std::make_unique<VisitorDataSource>(visitor, kStreamId);
// nghttp2 does not require that the data source indicate the end of data
// before trailers are enqueued.
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, GetParam() ? nullptr : std::move(body1), false, nullptr);
ASSERT_GT(stream_id1, 0);
EXPECT_EQ(stream_id1, kStreamId);
EXPECT_EQ(adapter->sources_size(), GetParam() ? 0 : 1);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x4));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x4, 0));
EXPECT_CALL(visitor, OnFrameSent(DATA, stream_id1, _, 0x0, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data,
EqualsFrames({SpdyFrameType::HEADERS, SpdyFrameType::DATA}));
visitor.Clear();
const std::vector<Header> trailers1 =
ToHeaders({{"extra-info", "Trailers are weird but good?"}});
adapter->SubmitTrailer(stream_id1, trailers1);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
data = visitor.data();
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
}
TEST(NgHttp2AdapterTest, ClientHandlesMetadata) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const char* kSentinel1 = "arbitrary pointer 1";
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, nullptr, true, const_cast<char*>(kSentinel1));
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Metadata(0, "Example connection metadata")
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Metadata(1, "Example stream metadata")
.Data(1, "This is the response body.", true)
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(0, _, kMetadataFrameType, 4));
EXPECT_CALL(visitor, OnBeginMetadataForStream(0, _));
EXPECT_CALL(visitor, OnMetadataForStream(0, _));
EXPECT_CALL(visitor, OnMetadataEndForStream(0));
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "200"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "server", "my-fake-server"));
EXPECT_CALL(visitor,
OnHeaderForStream(1, "date", "Tue, 6 Apr 2021 12:54:01 GMT"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, _, kMetadataFrameType, 4));
EXPECT_CALL(visitor, OnBeginMetadataForStream(1, _));
EXPECT_CALL(visitor, OnMetadataForStream(1, _));
EXPECT_CALL(visitor, OnMetadataEndForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, 26, DATA, 1));
EXPECT_CALL(visitor, OnBeginDataForStream(1, 26));
EXPECT_CALL(visitor, OnDataForStream(1, "This is the response body."));
EXPECT_CALL(visitor, OnEndStream(1));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::HTTP2_NO_ERROR));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
}
TEST(NgHttp2AdapterTest, ClientHandlesMetadataWithEmptyPayload) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id, 0);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Metadata(1, "")
.Data(1, "This is the response body.", true)
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, _, _)).Times(3);
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, _, kMetadataFrameType, 4));
EXPECT_CALL(visitor, OnBeginMetadataForStream(1, _));
EXPECT_CALL(visitor, OnMetadataEndForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, _, DATA, 1));
EXPECT_CALL(visitor, OnBeginDataForStream(1, _));
EXPECT_CALL(visitor, OnDataForStream(1, "This is the response body."));
EXPECT_CALL(visitor, OnEndStream(1));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::HTTP2_NO_ERROR));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), static_cast<size_t>(stream_result));
}
TEST(NgHttp2AdapterTest, ClientHandlesMetadataWithError) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const char* kSentinel1 = "arbitrary pointer 1";
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, nullptr, true, const_cast<char*>(kSentinel1));
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Metadata(0, "Example connection metadata")
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Metadata(1, "Example stream metadata")
.Data(1, "This is the response body.", true)
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(0, _, kMetadataFrameType, 4));
EXPECT_CALL(visitor, OnBeginMetadataForStream(0, _));
EXPECT_CALL(visitor, OnMetadataForStream(0, _));
EXPECT_CALL(visitor, OnMetadataEndForStream(0));
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "200"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "server", "my-fake-server"));
EXPECT_CALL(visitor,
OnHeaderForStream(1, "date", "Tue, 6 Apr 2021 12:54:01 GMT"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, _, kMetadataFrameType, 4));
EXPECT_CALL(visitor, OnBeginMetadataForStream(1, _));
EXPECT_CALL(visitor, OnMetadataForStream(1, _))
.WillOnce(testing::Return(false));
// Remaining frames are not processed due to the error.
EXPECT_CALL(visitor, OnConnectionError(ConnectionError::kParseError));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
// The false return from OnMetadataForStream() results in a connection error.
EXPECT_EQ(stream_result, NGHTTP2_ERR_CALLBACK_FAILURE);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_TRUE(adapter->want_write());
EXPECT_TRUE(adapter->want_read()); // Even after an error. Why?
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
}
TEST(NgHttp2AdapterTest, ClientHandlesHpackHeaderTableSetting) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 = ToHeaders({
{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"},
{"x-i-do-not-like", "green eggs and ham"},
{"x-i-will-not-eat-them", "here or there, in a box, with a fox"},
{"x-like-them-in-a-house", "no"},
{"x-like-them-with-a-mouse", "no"},
});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
visitor.Clear();
EXPECT_GT(adapter->GetHpackEncoderDynamicTableSize(), 100);
const std::string stream_frames =
TestFrameSequence().Settings({{HEADER_TABLE_SIZE, 100u}}).Serialize();
// Server preface (SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 6, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSetting(Http2Setting{HEADER_TABLE_SIZE, 100u}));
EXPECT_CALL(visitor, OnSettingsEnd());
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), stream_result);
EXPECT_LE(adapter->GetHpackEncoderDynamicTableSize(), 100);
}
TEST(NgHttp2AdapterTest, ClientHandlesInvalidTrailers) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const char* kSentinel1 = "arbitrary pointer 1";
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, nullptr, true, const_cast<char*>(kSentinel1));
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Data(1, "This is the response body.")
.Headers(1, {{":bad-status", "9000"}},
/*fin=*/true)
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "200"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "server", "my-fake-server"));
EXPECT_CALL(visitor,
OnHeaderForStream(1, "date", "Tue, 6 Apr 2021 12:54:01 GMT"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(1, 26, DATA, 0));
EXPECT_CALL(visitor, OnBeginDataForStream(1, 26));
EXPECT_CALL(visitor, OnDataForStream(1, "This is the response body."));
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 5));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(
visitor,
OnErrorDebug("Invalid HTTP header field was received: frame type: 1, "
"stream: 1, name: [:bad-status], value: [9000]"));
EXPECT_CALL(
visitor,
OnInvalidFrame(1, Http2VisitorInterface::InvalidFrameError::kHttpHeader));
// Bad status trailer will cause a PROTOCOL_ERROR. The header is never
// delivered in an OnHeaderForStream callback.
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(RST_STREAM, stream_id1, 4, 0x0));
EXPECT_CALL(visitor, OnFrameSent(RST_STREAM, stream_id1, 4, 0x0, 1));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::PROTOCOL_ERROR));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS,
SpdyFrameType::RST_STREAM}));
}
TEST(NgHttp2AdapterTest, ClientRstStreamWhileHandlingHeaders) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const char* kSentinel1 = "arbitrary pointer 1";
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, nullptr, true, const_cast<char*>(kSentinel1));
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Data(1, "This is the response body.")
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "200"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "server", "my-fake-server"));
EXPECT_CALL(visitor,
OnHeaderForStream(1, "date", "Tue, 6 Apr 2021 12:54:01 GMT"))
.WillOnce(testing::DoAll(
testing::InvokeWithoutArgs([&adapter]() {
adapter->SubmitRst(1, Http2ErrorCode::REFUSED_STREAM);
}),
testing::Return(Http2VisitorInterface::HEADER_RST_STREAM)));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(RST_STREAM, stream_id1, 4, 0x0));
EXPECT_CALL(visitor,
OnFrameSent(RST_STREAM, stream_id1, 4, 0x0,
static_cast<int>(Http2ErrorCode::REFUSED_STREAM)));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::REFUSED_STREAM));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS,
SpdyFrameType::RST_STREAM}));
}
TEST(NgHttp2AdapterTest, ClientConnectionErrorWhileHandlingHeaders) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const char* kSentinel1 = "arbitrary pointer 1";
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, nullptr, true, const_cast<char*>(kSentinel1));
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Data(1, "This is the response body.")
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "200"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "server", "my-fake-server"));
EXPECT_CALL(visitor,
OnHeaderForStream(1, "date", "Tue, 6 Apr 2021 12:54:01 GMT"))
.WillOnce(
testing::Return(Http2VisitorInterface::HEADER_CONNECTION_ERROR));
// Translation to nghttp2 treats this error as a general parsing error.
EXPECT_CALL(visitor, OnConnectionError(ConnectionError::kParseError));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(-902 /* NGHTTP2_ERR_CALLBACK_FAILURE */, stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
}
TEST(NgHttp2AdapterTest, ClientConnectionErrorWhileHandlingHeadersOnly) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const char* kSentinel1 = "arbitrary pointer 1";
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, nullptr, true, const_cast<char*>(kSentinel1));
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/true)
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 5));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "200"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "server", "my-fake-server"));
EXPECT_CALL(visitor,
OnHeaderForStream(1, "date", "Tue, 6 Apr 2021 12:54:01 GMT"))
.WillOnce(
testing::Return(Http2VisitorInterface::HEADER_CONNECTION_ERROR));
// Translation to nghttp2 treats this error as a general parsing error.
EXPECT_CALL(visitor, OnConnectionError(ConnectionError::kParseError));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(-902 /* NGHTTP2_ERR_CALLBACK_FAILURE */, stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
}
TEST(NgHttp2AdapterTest, ClientRejectsHeaders) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const char* kSentinel1 = "arbitrary pointer 1";
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, nullptr, true, const_cast<char*>(kSentinel1));
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Data(1, "This is the response body.")
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1))
.WillOnce(testing::Return(false));
// Rejecting headers leads to a connection error.
EXPECT_CALL(visitor, OnConnectionError(ConnectionError::kParseError));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(NGHTTP2_ERR_CALLBACK_FAILURE, stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
}
TEST(NgHttp2AdapterTest, ClientStartsShutdown) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
EXPECT_FALSE(adapter->want_write());
// No-op for a client implementation.
adapter->SubmitShutdownNotice();
EXPECT_FALSE(adapter->want_write());
int result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_EQ(visitor.data(), spdy::kHttp2ConnectionHeaderPrefix);
}
TEST(NgHttp2AdapterTest, ClientReceivesGoAway) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
const std::vector<Header> headers2 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/two"}});
const int32_t stream_id2 =
adapter->SubmitRequest(headers2, nullptr, true, nullptr);
ASSERT_GT(stream_id2, stream_id1);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id2, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id2, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data,
EqualsFrames({SpdyFrameType::HEADERS, SpdyFrameType::HEADERS}));
visitor.Clear();
// Submit a pending WINDOW_UPDATE for a stream that will be closed due to
// GOAWAY. The WINDOW_UPDATE should not be sent.
adapter->SubmitWindowUpdate(3, 42);
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.RstStream(1, Http2ErrorCode::ENHANCE_YOUR_CALM)
.GoAway(1, Http2ErrorCode::INTERNAL_ERROR, "indigestion")
.WindowUpdate(0, 42)
.WindowUpdate(1, 42)
.Serialize();
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, 4, RST_STREAM, 0));
EXPECT_CALL(visitor, OnRstStream(1, Http2ErrorCode::ENHANCE_YOUR_CALM));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::ENHANCE_YOUR_CALM));
EXPECT_CALL(visitor, OnFrameHeader(0, _, GOAWAY, 0));
EXPECT_CALL(visitor,
OnGoAway(1, Http2ErrorCode::INTERNAL_ERROR, "indigestion"));
EXPECT_CALL(visitor, OnCloseStream(3, Http2ErrorCode::REFUSED_STREAM));
EXPECT_CALL(visitor, OnFrameHeader(0, 4, WINDOW_UPDATE, 0));
EXPECT_CALL(visitor, OnWindowUpdate(0, 42));
EXPECT_CALL(visitor, OnFrameHeader(1, 4, WINDOW_UPDATE, 0));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
// SETTINGS ack (but only after the enqueue of the seemingly unrelated
// WINDOW_UPDATE). The WINDOW_UPDATE is not written.
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
}
TEST(NgHttp2AdapterTest, ClientReceivesMultipleGoAways) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string initial_frames =
TestFrameSequence()
.ServerPreface()
.GoAway(kMaxStreamId, Http2ErrorCode::INTERNAL_ERROR, "indigestion")
.Serialize();
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(0, _, GOAWAY, 0));
EXPECT_CALL(visitor, OnGoAway(kMaxStreamId, Http2ErrorCode::INTERNAL_ERROR,
"indigestion"));
const int64_t initial_result = adapter->ProcessBytes(initial_frames);
EXPECT_EQ(initial_frames.size(), static_cast<size_t>(initial_result));
// Submit a WINDOW_UPDATE for the open stream. Because the stream is below the
// GOAWAY's last_stream_id, it should be sent.
adapter->SubmitWindowUpdate(1, 42);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(WINDOW_UPDATE, 1, 4, 0x0));
EXPECT_CALL(visitor, OnFrameSent(WINDOW_UPDATE, 1, 4, 0x0, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS,
SpdyFrameType::WINDOW_UPDATE}));
visitor.Clear();
const std::string final_frames =
TestFrameSequence()
.GoAway(0, Http2ErrorCode::INTERNAL_ERROR, "indigestion")
.Serialize();
EXPECT_CALL(visitor, OnFrameHeader(0, _, GOAWAY, 0));
EXPECT_CALL(visitor,
OnGoAway(0, Http2ErrorCode::INTERNAL_ERROR, "indigestion"));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::REFUSED_STREAM));
const int64_t final_result = adapter->ProcessBytes(final_frames);
EXPECT_EQ(final_frames.size(), static_cast<size_t>(final_result));
EXPECT_FALSE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), testing::IsEmpty());
}
TEST(NgHttp2AdapterTest, ClientReceivesMultipleGoAwaysWithIncreasingStreamId) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
auto source = std::make_unique<TestMetadataSource>(ToHeaderBlock(ToHeaders(
{{"query-cost", "is too darn high"}, {"secret-sauce", "hollandaise"}})));
adapter->SubmitMetadata(stream_id1, 16384u, std::move(source));
const std::string frames =
TestFrameSequence()
.ServerPreface()
.GoAway(0, Http2ErrorCode::HTTP2_NO_ERROR, "")
.GoAway(0, Http2ErrorCode::ENHANCE_YOUR_CALM, "")
.GoAway(1, Http2ErrorCode::INTERNAL_ERROR, "")
.Serialize();
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(0, _, GOAWAY, 0));
EXPECT_CALL(visitor, OnGoAway(0, Http2ErrorCode::HTTP2_NO_ERROR, ""));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::REFUSED_STREAM));
EXPECT_CALL(visitor, OnFrameHeader(0, _, GOAWAY, 0));
EXPECT_CALL(visitor, OnGoAway(0, Http2ErrorCode::ENHANCE_YOUR_CALM, ""));
EXPECT_CALL(visitor, OnFrameHeader(0, _, GOAWAY, 0));
EXPECT_CALL(
visitor,
OnInvalidFrame(0, Http2VisitorInterface::InvalidFrameError::kProtocol));
const int64_t frames_result = adapter->ProcessBytes(frames);
EXPECT_EQ(frames.size(), static_cast<size_t>(frames_result));
EXPECT_CALL(visitor, OnBeforeFrameSent(GOAWAY, 0, _, 0x0));
EXPECT_CALL(visitor,
OnFrameSent(GOAWAY, 0, _, 0x0,
static_cast<int>(Http2ErrorCode::PROTOCOL_ERROR)));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::GOAWAY}));
}
TEST(NgHttp2AdapterTest, ClientReceivesGoAwayWithPendingStreams) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
int result = adapter->Send();
EXPECT_EQ(0, result);
// Client preface does not appear to include the mandatory SETTINGS frame.
EXPECT_THAT(visitor.data(),
testing::StrEq(spdy::kHttp2ConnectionHeaderPrefix));
visitor.Clear();
testing::InSequence s;
const std::string initial_frames =
TestFrameSequence()
.ServerPreface({{MAX_CONCURRENT_STREAMS, 1}})
.Serialize();
// Server preface (SETTINGS with MAX_CONCURRENT_STREAMS)
EXPECT_CALL(visitor, OnFrameHeader(0, 6, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSetting);
EXPECT_CALL(visitor, OnSettingsEnd());
const int64_t initial_result = adapter->ProcessBytes(initial_frames);
EXPECT_EQ(initial_frames.size(), initial_result);
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
const std::vector<Header> headers2 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/two"}});
const int32_t stream_id2 =
adapter->SubmitRequest(headers2, nullptr, true, nullptr);
ASSERT_GT(stream_id2, stream_id1);
// The second request should be pending because of
// SETTINGS_MAX_CONCURRENT_STREAMS.
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(),
EqualsFrames({SpdyFrameType::SETTINGS, SpdyFrameType::HEADERS}));
visitor.Clear();
// Let the client receive a GOAWAY and raise MAX_CONCURRENT_STREAMS. Even
// though the GOAWAY last_stream_id is higher than the pending request's
// stream ID, pending request should not be sent.
const std::string stream_frames =
TestFrameSequence()
.GoAway(kMaxStreamId, Http2ErrorCode::INTERNAL_ERROR, "indigestion")
.Settings({{MAX_CONCURRENT_STREAMS, 42u}})
.Serialize();
EXPECT_CALL(visitor, OnFrameHeader(0, _, GOAWAY, 0));
EXPECT_CALL(visitor, OnGoAway(kMaxStreamId, Http2ErrorCode::INTERNAL_ERROR,
"indigestion"));
EXPECT_CALL(visitor, OnFrameHeader(0, 6, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSetting(Http2Setting{MAX_CONCURRENT_STREAMS, 42u}));
EXPECT_CALL(visitor, OnSettingsEnd());
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(stream_frames.size(), stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
// Nghttp2 closes the pending stream on the next write attempt.
EXPECT_CALL(visitor, OnCloseStream(3, Http2ErrorCode::REFUSED_STREAM));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
visitor.Clear();
// Requests submitted after receiving the GOAWAY should not be sent.
const std::vector<Header> headers3 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/three"}});
const int32_t stream_id3 =
adapter->SubmitRequest(headers3, nullptr, true, nullptr);
ASSERT_GT(stream_id3, stream_id2);
// Nghttp2 closes the pending stream on the next write attempt.
EXPECT_CALL(visitor, OnCloseStream(5, Http2ErrorCode::REFUSED_STREAM));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), testing::IsEmpty());
EXPECT_FALSE(adapter->want_write());
}
TEST(NgHttp2AdapterTest, ClientFailsOnGoAway) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}});
const char* kSentinel1 = "arbitrary pointer 1";
const int32_t stream_id1 = adapter->SubmitRequest(
headers1, nullptr, true, const_cast<char*>(kSentinel1));
ASSERT_GT(stream_id1, 0);
QUICHE_LOG(INFO) << "Created stream: " << stream_id1;
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.GoAway(1, Http2ErrorCode::INTERNAL_ERROR, "indigestion")
.Data(1, "This is the response body.")
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(visitor, OnHeaderForStream(1, ":status", "200"));
EXPECT_CALL(visitor, OnHeaderForStream(1, "server", "my-fake-server"));
EXPECT_CALL(visitor,
OnHeaderForStream(1, "date", "Tue, 6 Apr 2021 12:54:01 GMT"));
EXPECT_CALL(visitor, OnEndHeadersForStream(1));
EXPECT_CALL(visitor, OnFrameHeader(0, _, GOAWAY, 0));
EXPECT_CALL(visitor,
OnGoAway(1, Http2ErrorCode::INTERNAL_ERROR, "indigestion"))
.WillOnce(testing::Return(false));
EXPECT_CALL(visitor, OnConnectionError(ConnectionError::kParseError));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(NGHTTP2_ERR_CALLBACK_FAILURE, stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
}
TEST(NgHttp2AdapterTest, ClientRejects101Response) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
const std::vector<Header> headers1 =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"},
{"upgrade", "new-protocol"}});
const int32_t stream_id1 =
adapter->SubmitRequest(headers1, nullptr, true, nullptr);
ASSERT_GT(stream_id1, 0);
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id1, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id1, _, 0x5, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
absl::string_view data = visitor.data();
EXPECT_THAT(data, testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
data.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(data, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
const std::string stream_frames =
TestFrameSequence()
.ServerPreface()
.Headers(1,
{{":status", "101"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Serialize();
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(1, _, HEADERS, 4));
EXPECT_CALL(visitor, OnBeginHeadersForStream(1));
EXPECT_CALL(
visitor,
OnErrorDebug("Invalid HTTP header field was received: frame type: 1, "
"stream: 1, name: [:status], value: [101]"));
EXPECT_CALL(
visitor,
OnInvalidFrame(1, Http2VisitorInterface::InvalidFrameError::kHttpHeader));
const int64_t stream_result = adapter->ProcessBytes(stream_frames);
EXPECT_EQ(static_cast<int64_t>(stream_frames.size()), stream_result);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(RST_STREAM, 1, 4, 0x0));
EXPECT_CALL(
visitor,
OnFrameSent(RST_STREAM, 1, 4, 0x0,
static_cast<uint32_t>(Http2ErrorCode::PROTOCOL_ERROR)));
EXPECT_CALL(visitor, OnCloseStream(1, Http2ErrorCode::PROTOCOL_ERROR));
EXPECT_TRUE(adapter->want_write());
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS,
SpdyFrameType::RST_STREAM}));
}
TEST_P(NgHttp2AdapterDataTest, ClientSubmitRequest) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
int result = adapter->Send();
EXPECT_EQ(0, result);
// Client preface does not appear to include the mandatory SETTINGS frame.
EXPECT_THAT(visitor.data(),
testing::StrEq(spdy::kHttp2ConnectionHeaderPrefix));
visitor.Clear();
const std::string initial_frames =
TestFrameSequence().ServerPreface().Serialize();
testing::InSequence s;
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
const int64_t initial_result = adapter->ProcessBytes(initial_frames);
EXPECT_EQ(initial_frames.size(), initial_result);
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
visitor.Clear();
EXPECT_EQ(0, adapter->GetHpackEncoderDynamicTableSize());
EXPECT_FALSE(adapter->want_write());
const char* kSentinel = "";
const absl::string_view kBody = "This is an example request body.";
visitor.AppendPayloadForStream(1, kBody);
visitor.SetEndData(1, true);
auto body1 = std::make_unique<VisitorDataSource>(visitor, 1);
int stream_id =
adapter->SubmitRequest(ToHeaders({{":method", "POST"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}}),
GetParam() ? nullptr : std::move(body1), false,
const_cast<char*>(kSentinel));
ASSERT_EQ(1, stream_id);
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id, _, 0x4));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id, _, 0x4, 0));
EXPECT_CALL(visitor, OnFrameSent(DATA, stream_id, _, 0x1, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_EQ(kInitialFlowControlWindowSize,
adapter->GetStreamReceiveWindowSize(stream_id));
EXPECT_EQ(kInitialFlowControlWindowSize, adapter->GetReceiveWindowSize());
EXPECT_EQ(kInitialFlowControlWindowSize,
adapter->GetStreamReceiveWindowLimit(stream_id));
EXPECT_GT(adapter->GetHpackEncoderDynamicTableSize(), 0);
// Some data was sent, so the remaining send window size should be less than
// the default.
EXPECT_LT(adapter->GetStreamSendWindowSize(stream_id),
kInitialFlowControlWindowSize);
EXPECT_GT(adapter->GetStreamSendWindowSize(stream_id), 0);
// Send window for a nonexistent stream is not available.
EXPECT_EQ(-1, adapter->GetStreamSendWindowSize(stream_id + 2));
EXPECT_THAT(visitor.data(),
EqualsFrames({SpdyFrameType::HEADERS, SpdyFrameType::DATA}));
EXPECT_THAT(visitor.data(), testing::HasSubstr(kBody));
visitor.Clear();
EXPECT_FALSE(adapter->want_write());
stream_id =
adapter->SubmitRequest(ToHeaders({{":method", "POST"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}}),
nullptr, true, nullptr);
EXPECT_GT(stream_id, 0);
EXPECT_TRUE(adapter->want_write());
const char* kSentinel2 = "arbitrary pointer 2";
EXPECT_EQ(nullptr, adapter->GetStreamUserData(stream_id));
adapter->SetStreamUserData(stream_id, const_cast<char*>(kSentinel2));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id, _, 0x5, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::HEADERS}));
EXPECT_EQ(kSentinel2, adapter->GetStreamUserData(stream_id));
// No data was sent (just HEADERS), so the remaining send window size should
// still be the default.
EXPECT_EQ(adapter->GetStreamSendWindowSize(stream_id),
kInitialFlowControlWindowSize);
}
// This is really a test of the MakeZeroCopyDataFrameSource adapter, but I
// wasn't sure where else to put it.
TEST(NgHttp2AdapterTest, ClientSubmitRequestWithDataProvider) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
int result = adapter->Send();
EXPECT_EQ(0, result);
// Client preface does not appear to include the mandatory SETTINGS frame.
EXPECT_THAT(visitor.data(),
testing::StrEq(spdy::kHttp2ConnectionHeaderPrefix));
visitor.Clear();
const std::string initial_frames =
TestFrameSequence().ServerPreface().Serialize();
testing::InSequence s;
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
const int64_t initial_result = adapter->ProcessBytes(initial_frames);
EXPECT_EQ(initial_frames.size(), initial_result);
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
visitor.Clear();
EXPECT_FALSE(adapter->want_write());
const absl::string_view kBody = "This is an example request body.";
// This test will use TestDataSource as the source of the body payload data.
TestDataSource body1{kBody};
// The TestDataSource is wrapped in the nghttp2_data_provider data type.
nghttp2_data_provider provider = body1.MakeDataProvider();
nghttp2_send_data_callback send_callback = &TestSendCallback;
// This call transforms it back into a DataFrameSource, which is compatible
// with the Http2Adapter API.
std::unique_ptr<DataFrameSource> frame_source =
MakeZeroCopyDataFrameSource(provider, &visitor, std::move(send_callback));
int stream_id =
adapter->SubmitRequest(ToHeaders({{":method", "POST"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}}),
std::move(frame_source), false, nullptr);
EXPECT_GT(stream_id, 0);
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id, _, 0x4));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id, _, 0x4, 0));
EXPECT_CALL(visitor, OnFrameSent(DATA, stream_id, _, 0x1, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(),
EqualsFrames({SpdyFrameType::HEADERS, SpdyFrameType::DATA}));
EXPECT_THAT(visitor.data(), testing::HasSubstr(kBody));
EXPECT_FALSE(adapter->want_write());
}
// This test verifies how nghttp2 behaves when a data source becomes
// read-blocked.
TEST(NgHttp2AdapterTest, ClientSubmitRequestWithDataProviderAndReadBlock) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
const absl::string_view kBody = "This is an example request body.";
// This test will use TestDataSource as the source of the body payload data.
TestDataSource body1{kBody};
body1.set_is_data_available(false);
// The TestDataSource is wrapped in the nghttp2_data_provider data type.
nghttp2_data_provider provider = body1.MakeDataProvider();
nghttp2_send_data_callback send_callback = &TestSendCallback;
// This call transforms it back into a DataFrameSource, which is compatible
// with the Http2Adapter API.
std::unique_ptr<DataFrameSource> frame_source =
MakeZeroCopyDataFrameSource(provider, &visitor, std::move(send_callback));
int stream_id =
adapter->SubmitRequest(ToHeaders({{":method", "POST"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}}),
std::move(frame_source), false, nullptr);
EXPECT_GT(stream_id, 0);
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id, _, 0x4));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id, _, 0x4, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
// Client preface does not appear to include the mandatory SETTINGS frame.
absl::string_view serialized = visitor.data();
EXPECT_THAT(serialized,
testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
serialized.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(serialized, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
EXPECT_FALSE(adapter->want_write());
// Resume the deferred stream.
body1.set_is_data_available(true);
EXPECT_TRUE(adapter->ResumeStream(stream_id));
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnFrameSent(DATA, stream_id, _, 0x1, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::DATA}));
EXPECT_FALSE(adapter->want_write());
// Stream data is done, so this stream cannot be resumed.
EXPECT_FALSE(adapter->ResumeStream(stream_id));
EXPECT_FALSE(adapter->want_write());
}
// This test verifies how nghttp2 behaves when a data source is read block, then
// ends with an empty DATA frame.
TEST(NgHttp2AdapterTest, ClientSubmitRequestEmptyDataWithFin) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
const absl::string_view kEmptyBody = "";
// This test will use TestDataSource as the source of the body payload data.
TestDataSource body1{kEmptyBody};
body1.set_is_data_available(false);
// The TestDataSource is wrapped in the nghttp2_data_provider data type.
nghttp2_data_provider provider = body1.MakeDataProvider();
nghttp2_send_data_callback send_callback = &TestSendCallback;
// This call transforms it back into a DataFrameSource, which is compatible
// with the Http2Adapter API.
std::unique_ptr<DataFrameSource> frame_source =
MakeZeroCopyDataFrameSource(provider, &visitor, std::move(send_callback));
int stream_id =
adapter->SubmitRequest(ToHeaders({{":method", "POST"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}}),
std::move(frame_source), false, nullptr);
EXPECT_GT(stream_id, 0);
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id, _, 0x4));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id, _, 0x4, 0));
int result = adapter->Send();
EXPECT_EQ(0, result);
// Client preface does not appear to include the mandatory SETTINGS frame.
absl::string_view serialized = visitor.data();
EXPECT_THAT(serialized,
testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
serialized.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(serialized, EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
EXPECT_FALSE(adapter->want_write());
// Resume the deferred stream.
body1.set_is_data_available(true);
EXPECT_TRUE(adapter->ResumeStream(stream_id));
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnFrameSent(DATA, stream_id, 0, 0x1, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::DATA}));
EXPECT_FALSE(adapter->want_write());
// Stream data is done, so this stream cannot be resumed.
EXPECT_FALSE(adapter->ResumeStream(stream_id));
EXPECT_FALSE(adapter->want_write());
}
// This test verifies how nghttp2 behaves when a connection becomes
// write-blocked.
TEST(NgHttp2AdapterTest, ClientSubmitRequestWithDataProviderAndWriteBlock) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
const absl::string_view kBody = "This is an example request body.";
// This test will use TestDataSource as the source of the body payload data.
TestDataSource body1{kBody};
// The TestDataSource is wrapped in the nghttp2_data_provider data type.
nghttp2_data_provider provider = body1.MakeDataProvider();
nghttp2_send_data_callback send_callback = &TestSendCallback;
// This call transforms it back into a DataFrameSource, which is compatible
// with the Http2Adapter API.
std::unique_ptr<DataFrameSource> frame_source =
MakeZeroCopyDataFrameSource(provider, &visitor, std::move(send_callback));
int stream_id =
adapter->SubmitRequest(ToHeaders({{":method", "POST"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}}),
std::move(frame_source), false, nullptr);
EXPECT_GT(stream_id, 0);
EXPECT_TRUE(adapter->want_write());
visitor.set_is_write_blocked(true);
int result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), testing::IsEmpty());
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id, _, 0x4));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id, _, 0x4, 0));
EXPECT_CALL(visitor, OnFrameSent(DATA, stream_id, _, 0x1, 0));
visitor.set_is_write_blocked(false);
result = adapter->Send();
EXPECT_EQ(0, result);
// Client preface does not appear to include the mandatory SETTINGS frame.
absl::string_view serialized = visitor.data();
EXPECT_THAT(serialized,
testing::StartsWith(spdy::kHttp2ConnectionHeaderPrefix));
serialized.remove_prefix(strlen(spdy::kHttp2ConnectionHeaderPrefix));
EXPECT_THAT(serialized,
EqualsFrames({SpdyFrameType::HEADERS, SpdyFrameType::DATA}));
EXPECT_FALSE(adapter->want_write());
}
TEST(NgHttp2AdapterTest, ClientReceivesDataOnClosedStream) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
int result = adapter->Send();
EXPECT_EQ(0, result);
// Client preface does not appear to include the mandatory SETTINGS frame.
EXPECT_THAT(visitor.data(),
testing::StrEq(spdy::kHttp2ConnectionHeaderPrefix));
visitor.Clear();
const std::string initial_frames =
TestFrameSequence().ServerPreface().Serialize();
testing::InSequence s;
// Server preface (empty SETTINGS)
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSettingsEnd());
const int64_t initial_result = adapter->ProcessBytes(initial_frames);
EXPECT_EQ(initial_frames.size(), initial_result);
// Client SETTINGS ack
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, 0, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, 0, 0x1, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::SETTINGS}));
visitor.Clear();
// Let the client open a stream with a request.
int stream_id =
adapter->SubmitRequest(ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/this/is/request/one"}}),
nullptr, true, nullptr);
EXPECT_GT(stream_id, 0);
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_id, _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_id, _, 0x5, 0));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::HEADERS}));
visitor.Clear();
// Let the client RST_STREAM the stream it opened.
adapter->SubmitRst(stream_id, Http2ErrorCode::CANCEL);
EXPECT_TRUE(adapter->want_write());
EXPECT_CALL(visitor, OnBeforeFrameSent(RST_STREAM, stream_id, _, 0x0));
EXPECT_CALL(visitor, OnFrameSent(RST_STREAM, stream_id, _, 0x0,
static_cast<int>(Http2ErrorCode::CANCEL)));
EXPECT_CALL(visitor, OnCloseStream(stream_id, Http2ErrorCode::CANCEL));
result = adapter->Send();
EXPECT_EQ(0, result);
EXPECT_THAT(visitor.data(), EqualsFrames({SpdyFrameType::RST_STREAM}));
visitor.Clear();
// Let the server send a response on the stream. (It might not have received
// the RST_STREAM yet.)
const std::string response_frames =
TestFrameSequence()
.Headers(stream_id,
{{":status", "200"},
{"server", "my-fake-server"},
{"date", "Tue, 6 Apr 2021 12:54:01 GMT"}},
/*fin=*/false)
.Data(stream_id, "This is the response body.", /*fin=*/true)
.Serialize();
// The visitor gets notified about the HEADERS frame but not the DATA frame on
// the closed stream. No further processing for either frame occurs.
EXPECT_CALL(visitor, OnFrameHeader(stream_id, _, HEADERS, 0x4));
EXPECT_CALL(visitor, OnFrameHeader(stream_id, _, DATA, _)).Times(0);
const int64_t response_result = adapter->ProcessBytes(response_frames);
EXPECT_EQ(response_frames.size(), response_result);
EXPECT_FALSE(adapter->want_write());
}
TEST(NgHttp2AdapterTest, ClientQueuesRequests) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
testing::InSequence s;
adapter->SubmitSettings({});
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x0));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x0, 0));
adapter->Send();
const std::string initial_frames =
TestFrameSequence()
.ServerPreface({{MAX_CONCURRENT_STREAMS, 2}})
.SettingsAck()
.Serialize();
EXPECT_CALL(visitor, OnFrameHeader(0, 6, SETTINGS, 0x0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSetting(Http2Setting{
Http2KnownSettingsId::MAX_CONCURRENT_STREAMS, 2u}));
EXPECT_CALL(visitor, OnSettingsEnd());
EXPECT_CALL(visitor, OnFrameHeader(0, 0, SETTINGS, 0x1));
EXPECT_CALL(visitor, OnSettingsAck());
adapter->ProcessBytes(initial_frames);
const std::vector<Header> headers =
ToHeaders({{":method", "GET"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/example/request"}});
std::vector<int32_t> stream_ids;
// Start two, which hits the limit.
int32_t stream_id = adapter->SubmitRequest(headers, nullptr, true, nullptr);
stream_ids.push_back(stream_id);
stream_id = adapter->SubmitRequest(headers, nullptr, true, nullptr);
stream_ids.push_back(stream_id);
// Start two more, which must be queued.
stream_id = adapter->SubmitRequest(headers, nullptr, true, nullptr);
stream_ids.push_back(stream_id);
stream_id = adapter->SubmitRequest(headers, nullptr, true, nullptr);
stream_ids.push_back(stream_id);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_ids[0], _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_ids[0], _, 0x5, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_ids[1], _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_ids[1], _, 0x5, 0));
adapter->Send();
const std::string update_streams =
TestFrameSequence().Settings({{MAX_CONCURRENT_STREAMS, 5}}).Serialize();
EXPECT_CALL(visitor, OnFrameHeader(0, 6, SETTINGS, 0x0));
EXPECT_CALL(visitor, OnSettingsStart());
EXPECT_CALL(visitor, OnSetting(Http2Setting{
Http2KnownSettingsId::MAX_CONCURRENT_STREAMS, 5u}));
EXPECT_CALL(visitor, OnSettingsEnd());
adapter->ProcessBytes(update_streams);
stream_id = adapter->SubmitRequest(headers, nullptr, true, nullptr);
stream_ids.push_back(stream_id);
EXPECT_CALL(visitor, OnBeforeFrameSent(SETTINGS, 0, _, 0x1));
EXPECT_CALL(visitor, OnFrameSent(SETTINGS, 0, _, 0x1, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_ids[2], _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_ids[2], _, 0x5, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_ids[3], _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_ids[3], _, 0x5, 0));
EXPECT_CALL(visitor, OnBeforeFrameSent(HEADERS, stream_ids[4], _, 0x5));
EXPECT_CALL(visitor, OnFrameSent(HEADERS, stream_ids[4], _, 0x5, 0));
// Header frames should all have been sent in order, regardless of any
// queuing.
adapter->Send();
}
TEST(NgHttp2AdapterTest, ClientAcceptsHeadResponseWithContentLength) {
TestVisitor visitor;
auto adapter = NgHttp2Adapter::CreateClientAdapter(visitor);
const std::vector<Header> headers = ToHeaders({{":method", "HEAD"},
{":scheme", "http"},
{":authority", "example.com"},
{":path", "/"}});
const int32_t stream_id =
adapter->SubmitRequest(headers, nullptr,