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// 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_ack_notifier.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/quic_write_blocked_list.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 "net/test/gtest_util.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 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 ProcessRawData(const char* data, uint32 data_len) OVERRIDE {
EXPECT_NE(0u, data_len);
DVLOG(1) << "ProcessData data_len: " << data_len;
data_ += string(data, data_len);
return should_process_data_ ? data_len : 0;
}
virtual QuicPriority EffectivePriority() const OVERRIDE {
return QuicUtils::HighestPriority();
}
using ReliableQuicStream::WriteOrBufferData;
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";
headers_["cookie"] =
"__utma=208381060.1228362404.1372200928.1372200928.1372200928.1; "
"__utmc=160408618; "
"GX=DQAAAOEAAACWJYdewdE9rIrW6qw3PtVi2-d729qaa-74KqOsM1NVQblK4VhX"
"hoALMsy6HOdDad2Sz0flUByv7etmo3mLMidGrBoljqO9hSVA40SLqpG_iuKKSHX"
"RW3Np4bq0F0SDGDNsW0DSmTS9ufMRrlpARJDS7qAI6M3bghqJp4eABKZiRqebHT"
"pMU-RXvTI5D5oCF1vYxYofH_l1Kviuiy3oQ1kS1enqWgbhJ2t61_SNdv-1XJIS0"
"O3YeHLmVCs62O6zp89QwakfAWK9d3IDQvVSJzCQsvxvNIvaZFa567MawWlXg0Rh"
"1zFMi5vzcns38-8_Sns; "
"GA=v*2%2Fmem*57968640*47239936%2Fmem*57968640*47114716%2Fno-nm-"
"yj*15%2Fno-cc-yj*5%2Fpc-ch*133685%2Fpc-s-cr*133947%2Fpc-s-t*1339"
"47%2Fno-nm-yj*4%2Fno-cc-yj*1%2Fceft-as*1%2Fceft-nqas*0%2Fad-ra-c"
"v_p%2Fad-nr-cv_p-f*1%2Fad-v-cv_p*859%2Fad-ns-cv_p-f*1%2Ffn-v-ad%"
"2Fpc-t*250%2Fpc-cm*461%2Fpc-s-cr*722%2Fpc-s-t*722%2Fau_p*4"
"SICAID=AJKiYcHdKgxum7KMXG0ei2t1-W4OD1uW-ecNsCqC0wDuAXiDGIcT_HA2o1"
"3Rs1UKCuBAF9g8rWNOFbxt8PSNSHFuIhOo2t6bJAVpCsMU5Laa6lewuTMYI8MzdQP"
"ARHKyW-koxuhMZHUnGBJAM1gJODe0cATO_KGoX4pbbFxxJ5IicRxOrWK_5rU3cdy6"
"edlR9FsEdH6iujMcHkbE5l18ehJDwTWmBKBzVD87naobhMMrF6VvnDGxQVGp9Ir_b"
"Rgj3RWUoPumQVCxtSOBdX0GlJOEcDTNCzQIm9BSfetog_eP_TfYubKudt5eMsXmN6"
"QnyXHeGeK2UINUzJ-D30AFcpqYgH9_1BvYSpi7fc7_ydBU8TaD8ZRxvtnzXqj0RfG"
"tuHghmv3aD-uzSYJ75XDdzKdizZ86IG6Fbn1XFhYZM-fbHhm3mVEXnyRW4ZuNOLFk"
"Fas6LMcVC6Q8QLlHYbXBpdNFuGbuZGUnav5C-2I_-46lL0NGg3GewxGKGHvHEfoyn"
"EFFlEYHsBQ98rXImL8ySDycdLEFvBPdtctPmWCfTxwmoSMLHU2SCVDhbqMWU5b0yr"
"JBCScs_ejbKaqBDoB7ZGxTvqlrB__2ZmnHHjCr8RgMRtKNtIeuZAo ";
}
void Initialize(bool stream_should_process_data) {
connection_ = new StrictMock<MockConnection>(kIsServer);
session_.reset(new StrictMock<MockSession>(connection_));
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_;
QuicWriteBlockedList* write_blocked_list_;
};
TEST_F(ReliableQuicStreamTest, WriteAllData) {
Initialize(kShouldProcessData);
connection_->options()->max_packet_length =
1 + QuicPacketCreator::StreamFramePacketOverhead(
connection_->version(), PACKET_8BYTE_GUID, !kIncludeVersion,
PACKET_6BYTE_SEQUENCE_NUMBER, NOT_IN_FEC_GROUP);
EXPECT_CALL(*session_, WritevData(kStreamId, _, 1, _, _, _)).WillOnce(
Return(QuicConsumedData(kDataLen, true)));
stream_->WriteOrBufferData(kData1, false);
EXPECT_FALSE(write_blocked_list_->HasWriteBlockedStreams());
}
TEST_F(ReliableQuicStreamTest, NoBlockingIfNoDataOrFin) {
Initialize(kShouldProcessData);
// Write no data and no fin. If we consume nothing we should not be write
// blocked.
EXPECT_DFATAL(stream_->WriteOrBufferData(StringPiece(), false), "");
EXPECT_FALSE(write_blocked_list_->HasWriteBlockedStreams());
}
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_, WritevData(kStreamId, _, 1, _, _, _)).WillOnce(
Return(QuicConsumedData(1, false)));
stream_->WriteOrBufferData(StringPiece(kData1, 2), false);
ASSERT_EQ(1u, write_blocked_list_->NumBlockedStreams());
}
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_, WritevData(kStreamId, _, 1, _, _, _)).WillOnce(
Return(QuicConsumedData(2, false)));
stream_->WriteOrBufferData(StringPiece(kData1, 2), true);
ASSERT_EQ(1u, write_blocked_list_->NumBlockedStreams());
}
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_, WritevData(kStreamId, _, 1, _, _, _)).WillOnce(
Return(QuicConsumedData(0, false)));
stream_->WriteOrBufferData(StringPiece(), true);
ASSERT_EQ(1u, write_blocked_list_->NumBlockedStreams());
}
TEST_F(ReliableQuicStreamTest, WriteOrBufferData) {
Initialize(kShouldProcessData);
EXPECT_FALSE(write_blocked_list_->HasWriteBlockedStreams());
connection_->options()->max_packet_length =
1 + QuicPacketCreator::StreamFramePacketOverhead(
connection_->version(), PACKET_8BYTE_GUID, !kIncludeVersion,
PACKET_6BYTE_SEQUENCE_NUMBER, NOT_IN_FEC_GROUP);
EXPECT_CALL(*session_, WritevData(_, _, 1, _, _, _)).WillOnce(
Return(QuicConsumedData(kDataLen - 1, false)));
stream_->WriteOrBufferData(kData1, false);
EXPECT_TRUE(write_blocked_list_->HasWriteBlockedStreams());
// Queue a bytes_consumed write.
stream_->WriteOrBufferData(kData2, false);
// Make sure we get the tail of the first write followed by the bytes_consumed
InSequence s;
EXPECT_CALL(*session_, WritevData(_, _, 1, _, _, _)).
WillOnce(Return(QuicConsumedData(1, false)));
EXPECT_CALL(*session_, WritevData(_, _, 1, _, _, _)).
WillOnce(Return(QuicConsumedData(kDataLen - 2, false)));
stream_->OnCanWrite();
// And finally the end of the bytes_consumed.
EXPECT_CALL(*session_, WritevData(_, _, 1, _, _, _)).
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_->OnConnectionClosed(QUIC_INTERNAL_ERROR, false);
EXPECT_EQ(QUIC_STREAM_NO_ERROR, stream_->stream_error());
EXPECT_EQ(QUIC_NO_ERROR, stream_->connection_error());
}
} // namespace
} // namespace test
} // namespace net
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