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