Initial checkin of gRPC to third_party/

third_party/grpc/src/core/channel/client_uchannel.h

 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ *
+ * Copyright 2015, 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 "core/page/PagePopupSupplement.h"
+#ifndef GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H
+#define GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H
 
-#include "core/page/PagePopupController.h"
+#include "src/core/channel/channel_stack.h"
+#include "src/core/client_config/resolver.h"
 
-namespace blink {
+#define GRPC_MICROCHANNEL_SUBCHANNEL_ARG "grpc.microchannel_subchannel_key"
 
-PagePopupSupplement::PagePopupSupplement(PagePopup& popup, PagePopupClient* popupClient)
-    : m_controller(PagePopupController::create(popup, popupClient))
-{
-    ASSERT(popupClient);
-}
+/* A client microchannel (aka uchannel) is a channel wrapping a subchannel, for
+ * the purposes of lightweight RPC communications from within the core.*/
 
-const char* PagePopupSupplement::supplementName()
-{
-    return "PagePopupSupplement";
-}
+extern const grpc_channel_filter grpc_client_uchannel_filter;
 
-PagePopupController* PagePopupSupplement::pagePopupController(LocalFrame& frame)
-{
-    PagePopupSupplement* supplement = static_cast<PagePopupSupplement*>(from(&frame, supplementName()));
-    ASSERT(supplement);
-    return supplement->m_controller.get();
-}
+grpc_connectivity_state grpc_client_uchannel_check_connectivity_state(
+    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect);
 
-void PagePopupSupplement::install(LocalFrame& frame, PagePopup& popup, PagePopupClient* popupClient)
-{
-    ASSERT(popupClient);
-    provideTo(frame, supplementName(), new PagePopupSupplement(popup, popupClient));
-}
+void grpc_client_uchannel_watch_connectivity_state(
+    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
+    grpc_connectivity_state *state, grpc_closure *on_complete);
 
-void PagePopupSupplement::uninstall(LocalFrame& frame)
-{
-    pagePopupController(frame)->clearPagePopupClient();
-    frame.removeSupplement(supplementName());
-}
+grpc_channel *grpc_client_uchannel_create(grpc_subchannel *subchannel,
+                                          grpc_channel_args *args);
 
-DEFINE_TRACE(PagePopupSupplement)
-{
-    visitor->trace(m_controller);
-    Supplement<LocalFrame>::trace(visitor);
-}
+void grpc_client_uchannel_set_connected_subchannel(
+    grpc_channel *uchannel, grpc_connected_subchannel *connected_subchannel);
 
-} // namespace blink
+#endif /* GRPC_INTERNAL_CORE_CHANNEL_CLIENT_MICROCHANNEL_H */