Added a net::BidirectionalStream to expose a bidirectional streaming interface

net/http/bidirectional_stream_create_helper.cc

+// Copyright 2015 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/http/bidirectional_stream_create_helper.h"
+
+#include "base/memory/scoped_ptr.h"
+#include "net/base/net_errors.h"
+#include "net/http/http_request_info.h"
+#include "net/http/http_stream.h"
+#include "net/http/http_transaction_factory.h"
+#include "net/ssl/ssl_cert_request_info.h"
+#include "net/url_request/url_request_context.h"
+#include "url/gurl.h"
+
+namespace net {
+
+BidirectionalStreamCreateHelper::BidirectionalStreamCreateHelper(
+    const HttpRequestInfo* request_info,
+    RequestPriority priority,
+    const URLRequestContext* context,
+    Delegate* delegate)
+    : request_info_(request_info),
+      priority_(priority),
+      delegate_(delegate),
+      net_log_(BoundNetLog::Make(context->net_log(),
+                                 NetLog::SOURCE_BIDIRECTIONAL_STREAM)) {
+  HttpTransactionFactory* factory = context->http_transaction_factory();
+  session_ = factory->GetSession();
+
+  session_->ssl_config_service()->GetSSLConfig(&server_ssl_config_);
+  proxy_ssl_config_ = server_ssl_config_;
+}
+
+BidirectionalStreamCreateHelper::~BidirectionalStreamCreateHelper() {
+  if (stream_)
+    stream_->Cancel();
+}
+
+void BidirectionalStreamCreateHelper::CreateBidirectionalStream() {
+  if (!request_info_->url.SchemeIs("https")) {
+    delegate_->OnStreamFailed(ERR_DISALLOWED_URL_SCHEME);
+    return;
+  }
+  stream_request_.reset(
+      session_->http_stream_factory()->RequestBidirectionalStream(
+          *request_info_, priority_, server_ssl_config_, proxy_ssl_config_,
+          this, net_log_));
+}
+
+void BidirectionalStreamCreateHelper::OnStreamReady(
+    const SSLConfig& used_ssl_config,
+    const ProxyInfo& used_proxy_info,
+    HttpStream* stream) {
+  NOTREACHED();
+}
+
+void BidirectionalStreamCreateHelper::OnBidirectionalStreamReady(
+    const SSLConfig& used_ssl_config,
+    const ProxyInfo& used_proxy_info,
+    BidirectionalStream* stream) {
+  stream_.reset(stream);
+  delegate_->OnStreamCreated();
+}
+
+void BidirectionalStreamCreateHelper::OnWebSocketHandshakeStreamReady(
+    const SSLConfig& used_ssl_config,
+    const ProxyInfo& used_proxy_info,
+    WebSocketHandshakeStreamBase* stream) {
+  NOTREACHED();
+}
+
+void BidirectionalStreamCreateHelper::OnStreamFailed(
+    int result,
+    const SSLConfig& used_ssl_config,
+    SSLFailureState ssl_failure_state) {
+  DCHECK_NE(OK, result);
+  DCHECK(stream_request_.get());
+  DCHECK(!stream_);
+
+  delegate_->OnStreamFailed(result);
+}
+
+void BidirectionalStreamCreateHelper::OnCertificateError(
+    int result,
+    const SSLConfig& used_ssl_config,
+    const SSLInfo& ssl_info) {
+  DCHECK_NE(OK, result);
+  DCHECK(stream_request_.get());
+  DCHECK(!stream_);
+
+  delegate_->OnStreamFailed(result);
+}
+
+void BidirectionalStreamCreateHelper::OnNeedsProxyAuth(
+    const HttpResponseInfo& proxy_response,
+    const SSLConfig& used_ssl_config,
+    const ProxyInfo& used_proxy_info,
+    HttpAuthController* auth_controller) {
+  DCHECK(stream_request_.get());
+  DCHECK(!stream_);
+
+  delegate_->OnStreamFailed(ERR_PROXY_AUTH_REQUESTED);
+}
+
+void BidirectionalStreamCreateHelper::OnNeedsClientAuth(
+    const SSLConfig& used_ssl_config,
+    SSLCertRequestInfo* cert_info) {
+  DCHECK(stream_request_.get());
+  DCHECK(!stream_);
+
+  delegate_->OnStreamFailed(ERR_SSL_CLIENT_AUTH_CERT_NEEDED);
+}
+
+void BidirectionalStreamCreateHelper::OnHttpsProxyTunnelResponse(
+    const HttpResponseInfo& response_info,
+    const SSLConfig& used_ssl_config,
+    const ProxyInfo& used_proxy_info,
+    HttpStream* stream) {
+  NOTREACHED();
+}
+
+}  // namespace net