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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/tools/quic/quic_server_session.h"
#include "base/logging.h"
#include "net/quic/quic_connection.h"
#include "net/quic/reliable_quic_stream.h"
#include "net/tools/quic/quic_spdy_server_stream.h"
namespace net {
namespace tools {
// If true, cancel any asynchronous client hello validation when the connection
// is closed.
bool FLAGS_cancel_crypto_callbacks_on_close = false;
QuicServerSession::QuicServerSession(
const QuicConfig& config,
QuicConnection* connection,
QuicServerSessionVisitor* visitor)
: QuicSession(connection, config),
visitor_(visitor) {}
QuicServerSession::~QuicServerSession() {}
void QuicServerSession::InitializeSession(
const QuicCryptoServerConfig& crypto_config) {
crypto_stream_.reset(CreateQuicCryptoServerStream(crypto_config));
}
QuicCryptoServerStream* QuicServerSession::CreateQuicCryptoServerStream(
const QuicCryptoServerConfig& crypto_config) {
return new QuicCryptoServerStream(crypto_config, this);
}
void QuicServerSession::OnConnectionClosed(QuicErrorCode error,
bool from_peer) {
QuicSession::OnConnectionClosed(error, from_peer);
// In the unlikely event we get a connection close while doing an asynchronous
// crypto event, make sure we cancel the callback.
if (FLAGS_cancel_crypto_callbacks_on_close &&
crypto_stream_.get() != NULL) {
crypto_stream_->CancelOutstandingCallbacks();
}
visitor_->OnConnectionClosed(connection()->connection_id(), error);
}
void QuicServerSession::OnWriteBlocked() {
QuicSession::OnWriteBlocked();
visitor_->OnWriteBlocked(connection());
}
bool QuicServerSession::ShouldCreateIncomingDataStream(QuicStreamId id) {
if (id % 2 == 0) {
DVLOG(1) << "Invalid incoming even stream_id:" << id;
connection()->SendConnectionClose(QUIC_INVALID_STREAM_ID);
return false;
}
if (GetNumOpenStreams() >= get_max_open_streams()) {
DVLOG(1) << "Failed to create a new incoming stream with id:" << id
<< " Already " << GetNumOpenStreams() << " open.";
connection()->SendConnectionClose(QUIC_TOO_MANY_OPEN_STREAMS);
return false;
}
return true;
}
QuicDataStream* QuicServerSession::CreateIncomingDataStream(
QuicStreamId id) {
if (!ShouldCreateIncomingDataStream(id)) {
return NULL;
}
return new QuicSpdyServerStream(id, this);
}
QuicDataStream* QuicServerSession::CreateOutgoingDataStream() {
DLOG(ERROR) << "Server push not yet supported";
return NULL;
}
QuicCryptoServerStream* QuicServerSession::GetCryptoStream() {
return crypto_stream_.get();
}
} // namespace tools
} // namespace net
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