Initial checkin of gRPC to third_party/

third_party/grpc/include/grpc++/create_channel.h

 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ *
+ * Copyright 2015-2016, Google Inc.
+ * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
  */
 
-#include "modules/mediasource/MediaSourceRegistry.h"
+#ifndef GRPCXX_CREATE_CHANNEL_H
+#define GRPCXX_CREATE_CHANNEL_H
 
-#include "modules/mediasource/MediaSource.h"
-#include "platform/weborigin/KURL.h"
+#include <memory>
 
-namespace blink {
+#include <grpc++/channel.h>
+#include <grpc++/security/credentials.h>
+#include <grpc++/support/channel_arguments.h>
+#include <grpc++/support/config.h>
 
-MediaSourceRegistry& MediaSourceRegistry::registry()
-{
-    ASSERT(isMainThread());
-    DEFINE_STATIC_LOCAL(MediaSourceRegistry, instance, ());
-    return instance;
-}
+namespace grpc {
 
-void MediaSourceRegistry::registerURL(SecurityOrigin*, const KURL& url, URLRegistrable* registrable)
-{
-    ASSERT(&registrable->registry() == this);
-    ASSERT(isMainThread());
+/// Create a new \a Channel pointing to \a target
+///
+/// \param target The URI of the endpoint to connect to.
+/// \param creds Credentials to use for the created channel. If it does not hold
+/// an object or is invalid, a lame channel is returned.
+/// \param args Options for channel creation.
+std::shared_ptr<Channel> CreateChannel(
+    const grpc::string& target,
+    const std::shared_ptr<ChannelCredentials>& creds);
 
-    MediaSource* source = static_cast<MediaSource*>(registrable);
-    source->addedToRegistry();
-    m_mediaSources.set(url.getString(), source);
-}
+/// Create a new \em custom \a Channel pointing to \a target
+///
+/// \warning For advanced use and testing ONLY. Override default channel
+/// arguments only if necessary.
+///
+/// \param target The URI of the endpoint to connect to.
+/// \param creds Credentials to use for the created channel. If it does not hold
+/// an object or is invalid, a lame channel is returned.
+/// \param args Options for channel creation.
+std::shared_ptr<Channel> CreateCustomChannel(
+    const grpc::string& target,
+    const std::shared_ptr<ChannelCredentials>& creds,
+    const ChannelArguments& args);
 
-void MediaSourceRegistry::unregisterURL(const KURL& url)
-{
-    ASSERT(isMainThread());
-    PersistentHeapHashMap<String, Member<MediaSource>>::iterator iter = m_mediaSources.find(url.getString());
-    if (iter == m_mediaSources.end())
-        return;
+}  // namespace grpc
 
-    MediaSource* source = iter->value;
-    m_mediaSources.remove(iter);
-    source->removedFromRegistry();
-}
-
-URLRegistrable* MediaSourceRegistry::lookup(const String& url)
-{
-    ASSERT(isMainThread());
-    return m_mediaSources.get(url);
-}
-
-MediaSourceRegistry::MediaSourceRegistry()
-{
-    HTMLMediaSource::setRegistry(this);
-}
-
-} // namespace blink
+#endif  // GRPCXX_CREATE_CHANNEL_H