Implement QUIC-based net::BidirectionalStream

net/quic/quic_stream_factory.cc

 // 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/quic_stream_factory.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 43 matching lines @@
 #include "base/win/windows_version.h"
 #endif
 
 #if defined(USE_OPENSSL)
 #include <openssl/aead.h>
 #include "crypto/openssl_util.h"
 #else
 #include "base/cpu.h"
 #endif
 
+#if BUILDFLAG(ENABLE_BIDIRECTIONAL_STREAM)
+#include "net/http/bidirectional_stream_job.h"
+#include "net/quic/bidirectional_stream_quic_impl.h"
+#endif
+
 using std::min;
 using NetworkHandle = net::NetworkChangeNotifier::NetworkHandle;
 
 namespace net {
 
 namespace {
 
 enum CreateSessionFailure {
   CREATION_ERROR_CONNECTING_SOCKET,
   CREATION_ERROR_SETTING_RECEIVE_BUFFER,
@@ skipping 432 matching lines @@
     factory_->CancelRequest(this);
 }
 
 int QuicStreamRequest::Request(const HostPortPair& host_port_pair,
                                PrivacyMode privacy_mode,
                                int cert_verify_flags,
                                const GURL& url,
                                base::StringPiece method,
                                const BoundNetLog& net_log,
                                const CompletionCallback& callback) {
-  DCHECK(!stream_);
   DCHECK(callback_.is_null());
   DCHECK(factory_);
   origin_host_ = url.host();
   privacy_mode_ = privacy_mode;
+
   int rv = factory_->Create(host_port_pair, privacy_mode, cert_verify_flags,
                             url, method, net_log, this);
   if (rv == ERR_IO_PENDING) {
     host_port_pair_ = host_port_pair;
     net_log_ = net_log;
     callback_ = callback;
   } else {
     factory_ = nullptr;
   }
   if (rv == OK)
-    DCHECK(stream_);
+    DCHECK(session_);
   return rv;
 }
 
-void QuicStreamRequest::set_stream(scoped_ptr<QuicHttpStream> stream) {
-  DCHECK(stream);
-  stream_ = std::move(stream);
+void QuicStreamRequest::SetSession(QuicChromiumClientSession* session) {
+  DCHECK(session);
+  session_ = session->GetWeakPtr();
 }
 
 void QuicStreamRequest::OnRequestComplete(int rv) {
   factory_ = nullptr;
   callback_.Run(rv);
 }
 
 base::TimeDelta QuicStreamRequest::GetTimeDelayForWaitingJob() const {
   if (!factory_)
     return base::TimeDelta();
   return factory_->GetTimeDelayForWaitingJob(
       QuicServerId(host_port_pair_, privacy_mode_));
 }
 
-scoped_ptr<QuicHttpStream> QuicStreamRequest::ReleaseStream() {
-  DCHECK(stream_);
-  return std::move(stream_);
+scoped_ptr<QuicHttpStream> QuicStreamRequest::CreateStream() {
+  if (!session_)
+    return nullptr;
+  return make_scoped_ptr(new QuicHttpStream(session_));
 }
 
+#if BUILDFLAG(ENABLE_BIDIRECTIONAL_STREAM)
+scoped_ptr<BidirectionalStreamJob>
+QuicStreamRequest::CreateBidirectionalStreamJob() {
+  if (!session_)
+    return nullptr;
+  return make_scoped_ptr(new BidirectionalStreamQuicImpl(session_));
+}
+#endif
+
 QuicStreamFactory::QuicStreamFactory(
     HostResolver* host_resolver,
     ClientSocketFactory* client_socket_factory,
     base::WeakPtr<HttpServerProperties> http_server_properties,
     CertVerifier* cert_verifier,
     CTPolicyEnforcer* ct_policy_enforcer,
     ChannelIDService* channel_id_service,
     TransportSecurityState* transport_security_state,
     CTVerifier* cert_transparency_verifier,
     SocketPerformanceWatcherFactory* socket_performance_watcher_factory,
@@ skipping 206 matching lines @@
                               const BoundNetLog& net_log,
                               QuicStreamRequest* request) {
   // Enforce session affinity for promised streams.
   QuicClientPromisedInfo* promised =
       push_promise_index_.GetPromised(url.spec());
   if (promised) {
     QuicChromiumClientSession* session =
         static_cast<QuicChromiumClientSession*>(promised->session());
     DCHECK(session);
     if (session->server_id().privacy_mode() == privacy_mode) {
-      request->set_stream(CreateFromSession(session));
+      request->SetSession(session);
       ++num_push_streams_created_;
       return OK;
     }
     // This should happen extremely rarely (if ever), but if somehow a
     // request comes in with a mismatched privacy mode, consider the
     // promise borked.
     promised->Cancel();
   }
 
   QuicServerId server_id(host_port_pair, privacy_mode);
   // TODO(rtenneti): crbug.com/498823 - delete active_sessions_.empty() checks.
   if (!active_sessions_.empty()) {
     SessionMap::iterator it = active_sessions_.find(server_id);
     if (it != active_sessions_.end()) {
       QuicChromiumClientSession* session = it->second;
       if (!session->CanPool(url.host(), privacy_mode))
         return ERR_ALTERNATIVE_CERT_NOT_VALID_FOR_ORIGIN;
-      request->set_stream(CreateFromSession(session));
+      request->SetSession(session);
       return OK;
     }
   }
 
   if (HasActiveJob(server_id)) {
     active_requests_[request] = server_id;
     job_requests_map_[server_id].insert(request);
     return ERR_IO_PENDING;
   }
 
@@ skipping 35 matching lines @@
     // related changes.
     if (active_sessions_.empty())
       return ERR_QUIC_PROTOCOL_ERROR;
     SessionMap::iterator it = active_sessions_.find(server_id);
     DCHECK(it != active_sessions_.end());
     if (it == active_sessions_.end())
       return ERR_QUIC_PROTOCOL_ERROR;
     QuicChromiumClientSession* session = it->second;
     if (!session->CanPool(url.host(), privacy_mode))
       return ERR_ALTERNATIVE_CERT_NOT_VALID_FOR_ORIGIN;
-    request->set_stream(CreateFromSession(session));
+    request->SetSession(session);
   }
   return rv;
 }
 
 void QuicStreamFactory::CreateAuxilaryJob(const QuicServerId server_id,
                                           int cert_verify_flags,
                                           bool server_and_origin_have_same_host,
                                           bool is_post,
                                           const BoundNetLog& net_log) {
   Job* aux_job = new Job(
@@ skipping 57 matching lines @@
         RequestSet::iterator old_request_it = request_it;
         ++request_it;
         // Remove request from containers so that OnRequestComplete() is not
         // called later again on the same request.
         job_requests_map_[server_id].erase(old_request_it);
         active_requests_.erase(request);
         // Notify request of certificate error.
         request->OnRequestComplete(ERR_ALTERNATIVE_CERT_NOT_VALID_FOR_ORIGIN);
         continue;
       }
-      request->set_stream(CreateFromSession(session));
+      request->SetSession(session);
       ++request_it;
     }
   }
 
   while (!job_requests_map_[server_id].empty()) {
     RequestSet::iterator it = job_requests_map_[server_id].begin();
     QuicStreamRequest* request = *it;
     job_requests_map_[server_id].erase(it);
     active_requests_.erase(request);
     // Even though we're invoking callbacks here, we don't need to worry
@@ skipping 790 matching lines @@
   // Since the session was active, there's no longer an
   // HttpStreamFactoryImpl::Job running which can mark it broken, unless the TCP
   // job also fails. So to avoid not using QUIC when we otherwise could, we mark
   // it as recently broken, which means that 0-RTT will be disabled but we'll
   // still race.
   http_server_properties_->MarkAlternativeServiceRecentlyBroken(
       alternative_service);
 }
 
 }  // namespace net