mirror of
https://github.com/musix-org/musix-oss
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80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
/*
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*
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* Copyright 2015 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include <string.h>
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#include <nan.h>
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#include <node.h>
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#include "grpc/byte_buffer_reader.h"
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#include "grpc/grpc.h"
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#include "grpc/slice.h"
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#include "byte_buffer.h"
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#include "slice.h"
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namespace grpc {
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namespace node {
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using Nan::Callback;
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using Nan::MaybeLocal;
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using v8::Function;
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using v8::Local;
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using v8::Object;
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using v8::Number;
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using v8::Value;
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grpc_byte_buffer *BufferToByteBuffer(Local<Value> buffer) {
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Nan::HandleScope scope;
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grpc_slice slice = CreateSliceFromBuffer(buffer);
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grpc_byte_buffer *byte_buffer(grpc_raw_byte_buffer_create(&slice, 1));
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grpc_slice_unref(slice);
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return byte_buffer;
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}
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namespace {
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void delete_buffer(char *data, void *hint) {
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grpc_slice *slice = static_cast<grpc_slice *>(hint);
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grpc_slice_unref(*slice);
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delete slice;
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}
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}
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Local<Value> ByteBufferToBuffer(grpc_byte_buffer *buffer) {
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Nan::EscapableHandleScope scope;
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if (buffer == NULL) {
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return scope.Escape(Nan::Null());
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}
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grpc_byte_buffer_reader reader;
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if (!grpc_byte_buffer_reader_init(&reader, buffer)) {
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Nan::ThrowError("Error initializing byte buffer reader.");
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return scope.Escape(Nan::Undefined());
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}
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grpc_slice *slice = new grpc_slice;
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*slice = grpc_byte_buffer_reader_readall(&reader);
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grpc_byte_buffer_reader_destroy(&reader);
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char *result = reinterpret_cast<char *>(GRPC_SLICE_START_PTR(*slice));
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size_t length = GRPC_SLICE_LENGTH(*slice);
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Local<Value> buf =
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Nan::NewBuffer(result, length, delete_buffer, slice).ToLocalChecked();
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return scope.Escape(buf);
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}
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} // namespace node
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} // namespace grpc
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