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-rw-r--r--src/node/ext/completion_queue_async_worker.h86
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diff --git a/src/node/ext/completion_queue_async_worker.h b/src/node/ext/completion_queue_async_worker.h
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-/*
- *
- * 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.
- *
- */
-
-#ifndef NET_GRPC_NODE_COMPLETION_QUEUE_ASYNC_WORKER_H_
-#define NET_GRPC_NODE_COMPLETION_QUEUE_ASYNC_WORKER_H_
-#include <nan.h>
-
-#include "grpc/grpc.h"
-
-namespace grpc {
-namespace node {
-
-/* A worker that asynchronously calls completion_queue_next, and queues onto the
- node event loop a call to the function stored in the event's tag. */
-class CompletionQueueAsyncWorker : public Nan::AsyncWorker {
- public:
- CompletionQueueAsyncWorker();
-
- ~CompletionQueueAsyncWorker();
- /* Calls completion_queue_next with the provided deadline, and stores the
- event if there was one or sets an error message if there was not */
- void Execute();
-
- /* Returns the completion queue attached to this class */
- static grpc_completion_queue *GetQueue();
-
- /* Convenience function to create a worker with the given arguments and queue
- it to run asynchronously */
- static void Next();
-
- /* Initialize the CompletionQueueAsyncWorker class */
- static void Init(v8::Local<v8::Object> exports);
-
- protected:
- /* Called when Execute has succeeded (completed without setting an error
- message). Calls the saved callback with the event that came from
- completion_queue_next */
- void HandleOKCallback();
-
- void HandleErrorCallback();
-
- private:
- grpc_event result;
-
- static grpc_completion_queue *queue;
-
- // Number of grpc_completion_queue_next calls in the thread pool
- static int current_threads;
- // Number of grpc_completion_queue_next calls waiting to enter the thread pool
- static int waiting_next_calls;
-};
-
-} // namespace node
-} // namespace grpc
-
-#endif // NET_GRPC_NODE_COMPLETION_QUEUE_ASYNC_WORKER_H_