mirror of https://github.com/grpc/grpc-node.git
73 lines
2.7 KiB
C++
73 lines
2.7 KiB
C++
/*
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*
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* Copyright 2014, 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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#ifndef NET_GRPC_NODE_TAG_H_
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#define NET_GRPC_NODE_TAG_H_
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#include <vector>
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#include <grpc/grpc.h>
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#include <node.h>
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#include <nan.h>
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namespace grpc {
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namespace node {
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/* Create a void* tag that can be passed to grpc_call_start_batch from a
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callback function and an ops array */
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void *CreateTag(v8::Handle<v8::Function> callback, grpc_op *ops, size_t nops,
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std::vector<v8::Persistent<v8::Value> > *handles,
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std::vector<NanUtf8String *> *strings);
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/* Create a void* tag that can be passed to grpc_server_request_call from a
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callback and the various out parameters to that function */
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void *CreateTag(v8::Handle<v8::Function> callback, grpc_call **call,
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grpc_call_details *details,
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grpc_metadata_array *request_metadata);
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/* Get the callback from the tag */
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NanCallback GetCallback(void *tag);
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/* Get the combined output value from the tag */
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v8::Handle<v8::Value> GetNodeValue(void *tag);
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/* Destroy the tag and all resources it is holding. It is illegal to call any
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of these other functions on a tag after it has been destroyed. */
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void DestroyTag(void *tag);
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} // namespace node
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} // namespace grpc
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#endif // NET_GRPC_NODE_TAG_H_
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