3 * Copyright 2015 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
23 #include "grpc/byte_buffer_reader.h"
24 #include "grpc/grpc.h"
25 #include "grpc/slice.h"
27 #include "byte_buffer.h"
34 using Nan::MaybeLocal;
42 grpc_byte_buffer *BufferToByteBuffer(Local<Value> buffer) {
43 Nan::HandleScope scope;
44 grpc_slice slice = CreateSliceFromBuffer(buffer);
45 grpc_byte_buffer *byte_buffer(grpc_raw_byte_buffer_create(&slice, 1));
46 grpc_slice_unref(slice);
51 void delete_buffer(char *data, void *hint) {
52 grpc_slice *slice = static_cast<grpc_slice *>(hint);
53 grpc_slice_unref(*slice);
58 Local<Value> ByteBufferToBuffer(grpc_byte_buffer *buffer) {
59 Nan::EscapableHandleScope scope;
61 return scope.Escape(Nan::Null());
63 grpc_byte_buffer_reader reader;
64 if (!grpc_byte_buffer_reader_init(&reader, buffer)) {
65 Nan::ThrowError("Error initializing byte buffer reader.");
66 return scope.Escape(Nan::Undefined());
68 grpc_slice *slice = new grpc_slice;
69 *slice = grpc_byte_buffer_reader_readall(&reader);
70 grpc_byte_buffer_reader_destroy(&reader);
71 char *result = reinterpret_cast<char *>(GRPC_SLICE_START_PTR(*slice));
72 size_t length = GRPC_SLICE_LENGTH(*slice);
74 Nan::NewBuffer(result, length, delete_buffer, slice).ToLocalChecked();
75 return scope.Escape(buf);