| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "net/quic/reliable_quic_stream.h" |
| |
| #include "net/quic/quic_connection.h" |
| #include "net/quic/quic_spdy_compressor.h" |
| #include "net/quic/quic_spdy_decompressor.h" |
| #include "net/quic/quic_utils.h" |
| #include "net/quic/spdy_utils.h" |
| #include "net/quic/test_tools/quic_session_peer.h" |
| #include "net/quic/test_tools/quic_test_utils.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| |
| using base::StringPiece; |
| using std::min; |
| using testing::_; |
| using testing::InSequence; |
| using testing::Return; |
| using testing::SaveArg; |
| using testing::StrEq; |
| using testing::StrictMock; |
| |
| namespace net { |
| namespace test { |
| namespace { |
| |
| const char kData1[] = "FooAndBar"; |
| const char kData2[] = "EepAndBaz"; |
| const size_t kDataLen = 9; |
| const QuicGuid kGuid = 42; |
| const QuicGuid kStreamId = 3; |
| const bool kIsServer = true; |
| const bool kShouldProcessData = true; |
| |
| class TestStream : public ReliableQuicStream { |
| public: |
| TestStream(QuicStreamId id, |
| QuicSession* session, |
| bool should_process_data) |
| : ReliableQuicStream(id, session), |
| should_process_data_(should_process_data) { |
| } |
| |
| virtual uint32 ProcessData(const char* data, uint32 data_len) OVERRIDE { |
| DVLOG(1) << "ProcessData data_len: " << data_len; |
| data_ += string(data, data_len); |
| return should_process_data_ ? data_len : 0; |
| } |
| |
| using ReliableQuicStream::WriteData; |
| using ReliableQuicStream::CloseReadSide; |
| using ReliableQuicStream::CloseWriteSide; |
| |
| const string& data() const { return data_; } |
| |
| private: |
| bool should_process_data_; |
| string data_; |
| }; |
| |
| class ReliableQuicStreamTest : public ::testing::TestWithParam<bool> { |
| public: |
| ReliableQuicStreamTest() { |
| headers_[":host"] = "www.google.com"; |
| headers_[":path"] = "/index.hml"; |
| headers_[":scheme"] = "https"; |
| } |
| |
| void Initialize(bool stream_should_process_data) { |
| connection_ = new testing::StrictMock<MockConnection>( |
| kGuid, IPEndPoint(), kIsServer); |
| session_.reset(new testing::StrictMock<MockSession>( |
| connection_, kIsServer)); |
| stream_.reset(new TestStream(kStreamId, session_.get(), |
| stream_should_process_data)); |
| stream2_.reset(new TestStream(kStreamId + 2, session_.get(), |
| stream_should_process_data)); |
| compressor_.reset(new QuicSpdyCompressor()); |
| decompressor_.reset(new QuicSpdyDecompressor); |
| write_blocked_list_ = |
| QuicSessionPeer::GetWriteblockedStreams(session_.get()); |
| } |
| |
| protected: |
| MockConnection* connection_; |
| scoped_ptr<MockSession> session_; |
| scoped_ptr<TestStream> stream_; |
| scoped_ptr<TestStream> stream2_; |
| scoped_ptr<QuicSpdyCompressor> compressor_; |
| scoped_ptr<QuicSpdyDecompressor> decompressor_; |
| SpdyHeaderBlock headers_; |
| BlockedList<QuicStreamId>* write_blocked_list_; |
| }; |
| |
| TEST_F(ReliableQuicStreamTest, WriteAllData) { |
| Initialize(kShouldProcessData); |
| |
| connection_->options()->max_packet_length = |
| 1 + QuicPacketCreator::StreamFramePacketOverhead( |
| 1, PACKET_8BYTE_GUID, !kIncludeVersion, |
| PACKET_6BYTE_SEQUENCE_NUMBER, NOT_IN_FEC_GROUP); |
| // TODO(rch): figure out how to get StrEq working here. |
| //EXPECT_CALL(*session_, WriteData(kStreamId, StrEq(kData1), _, _)).WillOnce( |
| EXPECT_CALL(*session_, WriteData(kStreamId, _, _, _)).WillOnce( |
| Return(QuicConsumedData(kDataLen, true))); |
| EXPECT_EQ(kDataLen, stream_->WriteData(kData1, false).bytes_consumed); |
| EXPECT_TRUE(write_blocked_list_->IsEmpty()); |
| } |
| |
| // TODO(rtenneti): Death tests crash on OS_ANDROID. |
| #if GTEST_HAS_DEATH_TEST && !defined(NDEBUG) && !defined(OS_ANDROID) |
| TEST_F(ReliableQuicStreamTest, NoBlockingIfNoDataOrFin) { |
| Initialize(kShouldProcessData); |
| |
| // Write no data and no fin. If we consume nothing we should not be write |
| // blocked. |
| EXPECT_DEBUG_DEATH({ |
| EXPECT_CALL(*session_, WriteData(kStreamId, _, _, _)).WillOnce( |
| Return(QuicConsumedData(0, false))); |
| stream_->WriteData(StringPiece(), false); |
| EXPECT_TRUE(write_blocked_list_->IsEmpty()); |
| }, ""); |
| } |
| #endif // GTEST_HAS_DEATH_TEST && !defined(NDEBUG) && !defined(OS_ANDROID) |
| |
| TEST_F(ReliableQuicStreamTest, BlockIfOnlySomeDataConsumed) { |
| Initialize(kShouldProcessData); |
| |
| // Write some data and no fin. If we consume some but not all of the data, |
| // we should be write blocked a not all the data was consumed. |
| EXPECT_CALL(*session_, WriteData(kStreamId, _, _, _)).WillOnce( |
| Return(QuicConsumedData(1, false))); |
| stream_->WriteData(StringPiece(kData1, 2), false); |
| ASSERT_EQ(1, write_blocked_list_->NumObjects()); |
| } |
| |
| |
| TEST_F(ReliableQuicStreamTest, BlockIfFinNotConsumedWithData) { |
| Initialize(kShouldProcessData); |
| |
| // Write some data and no fin. If we consume all the data but not the fin, |
| // we should be write blocked because the fin was not consumed. |
| // (This should never actually happen as the fin should be sent out with the |
| // last data) |
| EXPECT_CALL(*session_, WriteData(kStreamId, _, _, _)).WillOnce( |
| Return(QuicConsumedData(2, false))); |
| stream_->WriteData(StringPiece(kData1, 2), true); |
| ASSERT_EQ(1, write_blocked_list_->NumObjects()); |
| } |
| |
| TEST_F(ReliableQuicStreamTest, BlockIfSoloFinNotConsumed) { |
| Initialize(kShouldProcessData); |
| |
| // Write no data and a fin. If we consume nothing we should be write blocked, |
| // as the fin was not consumed. |
| EXPECT_CALL(*session_, WriteData(kStreamId, _, _, _)).WillOnce( |
| Return(QuicConsumedData(0, false))); |
| stream_->WriteData(StringPiece(), true); |
| ASSERT_EQ(1, write_blocked_list_->NumObjects()); |
| } |
| |
| TEST_F(ReliableQuicStreamTest, WriteData) { |
| Initialize(kShouldProcessData); |
| |
| EXPECT_TRUE(write_blocked_list_->IsEmpty()); |
| connection_->options()->max_packet_length = |
| 1 + QuicPacketCreator::StreamFramePacketOverhead( |
| 1, PACKET_8BYTE_GUID, !kIncludeVersion, |
| PACKET_6BYTE_SEQUENCE_NUMBER, NOT_IN_FEC_GROUP); |
| // TODO(rch): figure out how to get StrEq working here. |
| //EXPECT_CALL(*session_, WriteData(_, StrEq(kData1), _, _)).WillOnce( |
| EXPECT_CALL(*session_, WriteData(_, _, _, _)).WillOnce( |
| Return(QuicConsumedData(kDataLen - 1, false))); |
| // The return will be kDataLen, because the last byte gets buffered. |
| EXPECT_EQ(kDataLen, stream_->WriteData(kData1, false).bytes_consumed); |
| EXPECT_FALSE(write_blocked_list_->IsEmpty()); |
| |
| // Queue a bytes_consumed write. |
| EXPECT_EQ(kDataLen, stream_->WriteData(kData2, false).bytes_consumed); |
| |
| // Make sure we get the tail of the first write followed by the bytes_consumed |
| InSequence s; |
| //EXPECT_CALL(*session_, WriteData(_, StrEq(&kData1[kDataLen - 1]), _, _)). |
| EXPECT_CALL(*session_, WriteData(_, _, _, _)). |
| WillOnce(Return(QuicConsumedData(1, false))); |
| //EXPECT_CALL(*session_, WriteData(_, StrEq(kData2), _, _)). |
| EXPECT_CALL(*session_, WriteData(_, _, _, _)). |
| WillOnce(Return(QuicConsumedData(kDataLen - 2, false))); |
| stream_->OnCanWrite(); |
| |
| // And finally the end of the bytes_consumed |
| //EXPECT_CALL(*session_, WriteData(_, StrEq(&kData2[kDataLen - 2]), _, _)). |
| EXPECT_CALL(*session_, WriteData(_, _, _, _)). |
| WillOnce(Return(QuicConsumedData(2, true))); |
| stream_->OnCanWrite(); |
| } |
| |
| TEST_F(ReliableQuicStreamTest, ConnectionCloseAfterStreamClose) { |
| Initialize(kShouldProcessData); |
| |
| stream_->CloseReadSide(); |
| stream_->CloseWriteSide(); |
| EXPECT_EQ(QUIC_STREAM_NO_ERROR, stream_->stream_error()); |
| EXPECT_EQ(QUIC_NO_ERROR, stream_->connection_error()); |
| stream_->ConnectionClose(QUIC_INTERNAL_ERROR, false); |
| EXPECT_EQ(QUIC_STREAM_NO_ERROR, stream_->stream_error()); |
| EXPECT_EQ(QUIC_NO_ERROR, stream_->connection_error()); |
| } |
| |
| TEST_F(ReliableQuicStreamTest, ProcessHeaders) { |
| Initialize(kShouldProcessData); |
| |
| string compressed_headers = compressor_->CompressHeaders(headers_); |
| QuicStreamFrame frame(kStreamId, false, 0, compressed_headers); |
| |
| stream_->OnStreamFrame(frame); |
| EXPECT_EQ(SpdyUtils::SerializeUncompressedHeaders(headers_), stream_->data()); |
| } |
| |
| TEST_F(ReliableQuicStreamTest, ProcessHeadersWithInvalidHeaderId) { |
| Initialize(kShouldProcessData); |
| |
| string compressed_headers = compressor_->CompressHeaders(headers_); |
| compressed_headers.replace(0, 1, 1, '\xFF'); // Illegal header id. |
| QuicStreamFrame frame(kStreamId, false, 0, compressed_headers); |
| |
| EXPECT_CALL(*connection_, SendConnectionClose(QUIC_INVALID_HEADER_ID)); |
| stream_->OnStreamFrame(frame); |
| } |
| |
| TEST_F(ReliableQuicStreamTest, ProcessHeadersAndBody) { |
| Initialize(kShouldProcessData); |
| |
| string compressed_headers = compressor_->CompressHeaders(headers_); |
| string body = "this is the body"; |
| string data = compressed_headers + body; |
| QuicStreamFrame frame(kStreamId, false, 0, data); |
| |
| stream_->OnStreamFrame(frame); |
| EXPECT_EQ(SpdyUtils::SerializeUncompressedHeaders(headers_) + body, |
| stream_->data()); |
| } |
| |
| TEST_F(ReliableQuicStreamTest, ProcessHeadersAndBodyFragments) { |
| Initialize(kShouldProcessData); |
| |
| string compressed_headers = compressor_->CompressHeaders(headers_); |
| string body = "this is the body"; |
| string data = compressed_headers + body; |
| |
| for (size_t fragment_size = 1; fragment_size < data.size(); ++fragment_size) { |
| Initialize(kShouldProcessData); |
| for (size_t offset = 0; offset < data.size(); offset += fragment_size) { |
| size_t remaining_data = data.length() - offset; |
| StringPiece fragment(data.data() + offset, |
| min(fragment_size, remaining_data)); |
| QuicStreamFrame frame(kStreamId, false, offset, fragment); |
| |
| stream_->OnStreamFrame(frame); |
| } |
| ASSERT_EQ(SpdyUtils::SerializeUncompressedHeaders(headers_) + body, |
| stream_->data()) << "fragment_size: " << fragment_size; |
| } |
| } |
| |
| TEST_F(ReliableQuicStreamTest, ProcessHeadersAndBodyReadv) { |
| Initialize(!kShouldProcessData); |
| |
| string compressed_headers = compressor_->CompressHeaders(headers_); |
| string body = "this is the body"; |
| string data = compressed_headers + body; |
| QuicStreamFrame frame(kStreamId, false, 0, data); |
| string uncompressed_headers = |
| SpdyUtils::SerializeUncompressedHeaders(headers_); |
| string uncompressed_data = uncompressed_headers + body; |
| |
| stream_->OnStreamFrame(frame); |
| EXPECT_EQ(uncompressed_headers, stream_->data()); |
| |
| char buffer[1024]; |
| ASSERT_LT(data.length(), arraysize(buffer)); |
| struct iovec vec; |
| vec.iov_base = buffer; |
| vec.iov_len = arraysize(buffer); |
| |
| size_t bytes_read = stream_->Readv(&vec, 1); |
| EXPECT_EQ(uncompressed_headers.length(), bytes_read); |
| EXPECT_EQ(uncompressed_headers, string(buffer, bytes_read)); |
| |
| bytes_read = stream_->Readv(&vec, 1); |
| EXPECT_EQ(body.length(), bytes_read); |
| EXPECT_EQ(body, string(buffer, bytes_read)); |
| } |
| |
| TEST_F(ReliableQuicStreamTest, ProcessHeadersAndBodyIncrementalReadv) { |
| Initialize(!kShouldProcessData); |
| |
| string compressed_headers = compressor_->CompressHeaders(headers_); |
| string body = "this is the body"; |
| string data = compressed_headers + body; |
| QuicStreamFrame frame(kStreamId, false, 0, data); |
| string uncompressed_headers = |
| SpdyUtils::SerializeUncompressedHeaders(headers_); |
| string uncompressed_data = uncompressed_headers + body; |
| |
| stream_->OnStreamFrame(frame); |
| EXPECT_EQ(uncompressed_headers, stream_->data()); |
| |
| char buffer[1]; |
| struct iovec vec; |
| vec.iov_base = buffer; |
| vec.iov_len = arraysize(buffer); |
| for (size_t i = 0; i < uncompressed_data.length(); ++i) { |
| size_t bytes_read = stream_->Readv(&vec, 1); |
| ASSERT_EQ(1u, bytes_read); |
| EXPECT_EQ(uncompressed_data.data()[i], buffer[0]); |
| } |
| } |
| |
| TEST_F(ReliableQuicStreamTest, ProcessHeadersUsingReadvWithMultipleIovecs) { |
| Initialize(!kShouldProcessData); |
| |
| string compressed_headers = compressor_->CompressHeaders(headers_); |
| string body = "this is the body"; |
| string data = compressed_headers + body; |
| QuicStreamFrame frame(kStreamId, false, 0, data); |
| string uncompressed_headers = |
| SpdyUtils::SerializeUncompressedHeaders(headers_); |
| string uncompressed_data = uncompressed_headers + body; |
| |
| stream_->OnStreamFrame(frame); |
| EXPECT_EQ(uncompressed_headers, stream_->data()); |
| |
| char buffer1[1]; |
| char buffer2[1]; |
| struct iovec vec[2]; |
| vec[0].iov_base = buffer1; |
| vec[0].iov_len = arraysize(buffer1); |
| vec[1].iov_base = buffer2; |
| vec[1].iov_len = arraysize(buffer2); |
| for (size_t i = 0; i < uncompressed_data.length(); i += 2) { |
| size_t bytes_read = stream_->Readv(vec, 2); |
| ASSERT_EQ(2u, bytes_read) << i; |
| ASSERT_EQ(uncompressed_data.data()[i], buffer1[0]) << i; |
| ASSERT_EQ(uncompressed_data.data()[i + 1], buffer2[0]) << i; |
| } |
| } |
| |
| TEST_F(ReliableQuicStreamTest, ProcessHeadersEarly) { |
| Initialize(kShouldProcessData); |
| |
| string compressed_headers1 = compressor_->CompressHeaders(headers_); |
| QuicStreamFrame frame1(stream_->id(), false, 0, compressed_headers1); |
| string decompressed_headers1 = |
| SpdyUtils::SerializeUncompressedHeaders(headers_); |
| |
| headers_["content-type"] = "text/plain"; |
| string compressed_headers2 = compressor_->CompressHeaders(headers_); |
| QuicStreamFrame frame2(stream2_->id(), false, 0, compressed_headers2); |
| string decompressed_headers2 = |
| SpdyUtils::SerializeUncompressedHeaders(headers_); |
| |
| stream2_->OnStreamFrame(frame2); |
| EXPECT_EQ("", stream_->data()); |
| |
| stream_->OnStreamFrame(frame1); |
| EXPECT_EQ(decompressed_headers1, stream_->data()); |
| |
| EXPECT_EQ(2u, session_->decompressor()->current_header_id()); |
| stream2_->OnDecompressorAvailable(); |
| EXPECT_EQ(decompressed_headers2, stream2_->data()); |
| } |
| |
| TEST_F(ReliableQuicStreamTest, ProcessHeadersDelay) { |
| Initialize(!kShouldProcessData); |
| |
| string compressed_headers = compressor_->CompressHeaders(headers_); |
| QuicStreamFrame frame1(stream_->id(), false, 0, compressed_headers); |
| string decompressed_headers = |
| SpdyUtils::SerializeUncompressedHeaders(headers_); |
| |
| // Send the headers to the stream and verify they were decompressed. |
| stream_->OnStreamFrame(frame1); |
| EXPECT_EQ(2u, session_->decompressor()->current_header_id()); |
| |
| // Verify that we are now able to handle the body data, |
| // even though the stream has not processed the headers. |
| EXPECT_CALL(*connection_, SendConnectionClose(QUIC_INVALID_HEADER_ID)) |
| .Times(0); |
| QuicStreamFrame frame2(stream_->id(), false, compressed_headers.length(), |
| "body data"); |
| stream_->OnStreamFrame(frame2); |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace net |