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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/tools/quic/quic_server_session.h"
#include "net/quic/crypto/quic_crypto_server_config.h"
#include "net/quic/crypto/quic_random.h"
#include "net/quic/quic_connection.h"
#include "net/quic/quic_utils.h"
#include "net/quic/test_tools/quic_connection_peer.h"
#include "net/quic/test_tools/quic_data_stream_peer.h"
#include "net/quic/test_tools/quic_test_utils.h"
#include "net/tools/epoll_server/epoll_server.h"
#include "net/tools/quic/quic_spdy_server_stream.h"
#include "net/tools/quic/test_tools/quic_test_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using __gnu_cxx::vector;
using net::test::MockConnection;
using net::test::QuicConnectionPeer;
using net::test::QuicDataStreamPeer;
using net::test::SupportedVersions;
using testing::_;
using testing::StrictMock;
namespace net {
namespace tools {
namespace test {
class QuicServerSessionPeer {
public:
static QuicDataStream* GetIncomingDataStream(
QuicServerSession* s, QuicStreamId id) {
return s->GetIncomingDataStream(id);
}
static QuicDataStream* GetDataStream(QuicServerSession* s, QuicStreamId id) {
return s->GetDataStream(id);
}
};
namespace {
class QuicServerSessionTest : public ::testing::TestWithParam<QuicVersion> {
protected:
QuicServerSessionTest()
: crypto_config_(QuicCryptoServerConfig::TESTING,
QuicRandom::GetInstance()) {
config_.SetDefaults();
config_.set_max_streams_per_connection(3, 3);
connection_ =
new StrictMock<MockConnection>(true, SupportedVersions(GetParam()));
session_.reset(new QuicServerSession(
config_, connection_, &owner_));
session_->InitializeSession(crypto_config_);
visitor_ = QuicConnectionPeer::GetVisitor(connection_);
}
QuicVersion version() const { return connection_->version(); }
StrictMock<MockQuicServerSessionVisitor> owner_;
StrictMock<MockConnection>* connection_;
QuicConfig config_;
QuicCryptoServerConfig crypto_config_;
scoped_ptr<QuicServerSession> session_;
QuicConnectionVisitorInterface* visitor_;
};
INSTANTIATE_TEST_CASE_P(Tests, QuicServerSessionTest,
::testing::ValuesIn(QuicSupportedVersions()));
TEST_P(QuicServerSessionTest, CloseStreamDueToReset) {
QuicStreamId stream_id = 5;
// Open a stream, then reset it.
// Send two bytes of payload to open it.
QuicStreamFrame data1(stream_id, false, 0, MakeIOVector("HT"));
vector<QuicStreamFrame> frames;
frames.push_back(data1);
EXPECT_TRUE(visitor_->OnStreamFrames(frames));
EXPECT_EQ(1u, session_->GetNumOpenStreams());
// Send a reset (and expect the peer to send a RST in response).
QuicRstStreamFrame rst1(stream_id, QUIC_STREAM_NO_ERROR, 0);
if (version() > QUIC_VERSION_13) {
EXPECT_CALL(*connection_,
SendRstStream(stream_id, QUIC_STREAM_NO_ERROR, 0));
}
visitor_->OnRstStream(rst1);
EXPECT_EQ(0u, session_->GetNumOpenStreams());
// Send the same two bytes of payload in a new packet.
EXPECT_TRUE(visitor_->OnStreamFrames(frames));
// The stream should not be re-opened.
EXPECT_EQ(0u, session_->GetNumOpenStreams());
}
TEST_P(QuicServerSessionTest, NeverOpenStreamDueToReset) {
QuicStreamId stream_id = 5;
// Send a reset (and expect the peer to send a RST in response).
QuicRstStreamFrame rst1(stream_id, QUIC_STREAM_NO_ERROR, 0);
if (version() > QUIC_VERSION_13) {
EXPECT_CALL(*connection_,
SendRstStream(stream_id, QUIC_STREAM_NO_ERROR, 0));
}
visitor_->OnRstStream(rst1);
EXPECT_EQ(0u, session_->GetNumOpenStreams());
// Send two bytes of payload.
QuicStreamFrame data1(stream_id, false, 0, MakeIOVector("HT"));
vector<QuicStreamFrame> frames;
frames.push_back(data1);
EXPECT_TRUE(visitor_->OnStreamFrames(frames));
// The stream should never be opened, now that the reset is received.
EXPECT_EQ(0u, session_->GetNumOpenStreams());
}
TEST_P(QuicServerSessionTest, AcceptClosedStream) {
QuicStreamId stream_id = 5;
vector<QuicStreamFrame> frames;
// Send (empty) compressed headers followed by two bytes of data.
frames.push_back(QuicStreamFrame(stream_id, false, 0,
MakeIOVector("\1\0\0\0\0\0\0\0HT")));
frames.push_back(QuicStreamFrame(stream_id + 2, false, 0,
MakeIOVector("\2\0\0\0\0\0\0\0HT")));
EXPECT_TRUE(visitor_->OnStreamFrames(frames));
// Send a reset (and expect the peer to send a RST in response).
QuicRstStreamFrame rst(stream_id, QUIC_STREAM_NO_ERROR, 0);
if (version() > QUIC_VERSION_13) {
EXPECT_CALL(*connection_,
SendRstStream(stream_id, QUIC_STREAM_NO_ERROR, 0));
}
visitor_->OnRstStream(rst);
// If we were tracking, we'd probably want to reject this because it's data
// past the reset point of stream 3. As it's a closed stream we just drop the
// data on the floor, but accept the packet because it has data for stream 5.
frames.clear();
frames.push_back(QuicStreamFrame(stream_id, false, 2, MakeIOVector("TP")));
frames.push_back(QuicStreamFrame(stream_id + 2, false, 2,
MakeIOVector("TP")));
EXPECT_TRUE(visitor_->OnStreamFrames(frames));
}
TEST_P(QuicServerSessionTest, MaxNumConnections) {
QuicStreamId stream_id = 5;
EXPECT_EQ(0u, session_->GetNumOpenStreams());
EXPECT_TRUE(QuicServerSessionPeer::GetIncomingDataStream(session_.get(),
stream_id));
EXPECT_TRUE(QuicServerSessionPeer::GetIncomingDataStream(session_.get(),
stream_id + 2));
EXPECT_TRUE(QuicServerSessionPeer::GetIncomingDataStream(session_.get(),
stream_id + 4));
EXPECT_CALL(*connection_, SendConnectionClose(QUIC_TOO_MANY_OPEN_STREAMS));
EXPECT_FALSE(QuicServerSessionPeer::GetIncomingDataStream(session_.get(),
stream_id + 6));
}
TEST_P(QuicServerSessionTest, MaxNumConnectionsImplicit) {
QuicStreamId stream_id = 5;
EXPECT_EQ(0u, session_->GetNumOpenStreams());
EXPECT_TRUE(QuicServerSessionPeer::GetIncomingDataStream(session_.get(),
stream_id));
// Implicitly opens two more streams.
EXPECT_CALL(*connection_, SendConnectionClose(QUIC_TOO_MANY_OPEN_STREAMS));
EXPECT_FALSE(QuicServerSessionPeer::GetIncomingDataStream(session_.get(),
stream_id + 6));
}
TEST_P(QuicServerSessionTest, GetEvenIncomingError) {
// Incoming streams on the server session must be odd.
EXPECT_CALL(*connection_, SendConnectionClose(QUIC_INVALID_STREAM_ID));
EXPECT_EQ(NULL,
QuicServerSessionPeer::GetIncomingDataStream(session_.get(), 4));
}
} // namespace
} // namespace test
} // namespace tools
} // namespace net
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