The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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74 lines
2.6 KiB
74 lines
2.6 KiB
/* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <grpc++/completion_queue.h> |
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#include <memory> |
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#include <grpc++/impl/grpc_library.h> |
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#include <grpc++/support/time.h> |
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#include <grpc/grpc.h> |
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#include <grpc/support/log.h> |
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namespace grpc { |
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static internal::GrpcLibraryInitializer g_gli_initializer; |
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CompletionQueue::CompletionQueue(grpc_completion_queue* take) : cq_(take) {} |
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void CompletionQueue::Shutdown() { |
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g_gli_initializer.summon(); |
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grpc_completion_queue_shutdown(cq_); |
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} |
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CompletionQueue::NextStatus CompletionQueue::AsyncNextInternal( |
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void** tag, bool* ok, gpr_timespec deadline) { |
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for (;;) { |
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auto ev = grpc_completion_queue_next(cq_, deadline, nullptr); |
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switch (ev.type) { |
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case GRPC_QUEUE_TIMEOUT: |
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return TIMEOUT; |
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case GRPC_QUEUE_SHUTDOWN: |
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return SHUTDOWN; |
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case GRPC_OP_COMPLETE: |
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auto cq_tag = static_cast<CompletionQueueTag*>(ev.tag); |
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*ok = ev.success != 0; |
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*tag = cq_tag; |
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if (cq_tag->FinalizeResult(tag, ok)) { |
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return GOT_EVENT; |
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} |
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break; |
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} |
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} |
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} |
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} // namespace grpc
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