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https://github.com/grpc/grpc-node.git
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47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#include <string.h>
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#include <malloc.h>
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#include <node.h>
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#include <nan.h>
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#include "grpc/grpc.h"
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#include "grpc/support/slice.h"
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namespace grpc {
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namespace node {
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#include "byte_buffer.h"
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using ::node::Buffer;
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using v8::Handle;
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using v8::Value;
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grpc_byte_buffer *BufferToByteBuffer(Handle<Value> buffer) {
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NanScope();
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int length = Buffer::Length(buffer);
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char *data = Buffer::Data(buffer);
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gpr_slice slice = gpr_slice_malloc(length);
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memcpy(GPR_SLICE_START_PTR(slice), data, length);
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grpc_byte_buffer *byte_buffer(grpc_byte_buffer_create(&slice, 1));
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gpr_slice_unref(slice);
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return byte_buffer;
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}
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Handle<Value> ByteBufferToBuffer(grpc_byte_buffer *buffer) {
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NanEscapableScope();
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if (buffer == NULL) {
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NanReturnNull();
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}
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size_t length = grpc_byte_buffer_length(buffer);
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char *result = reinterpret_cast<char*>(calloc(length, sizeof(char)));
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size_t offset = 0;
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grpc_byte_buffer_reader *reader = grpc_byte_buffer_reader_create(buffer);
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gpr_slice next;
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while (grpc_byte_buffer_reader_next(reader, &next) != 0) {
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memcpy(result+offset, GPR_SLICE_START_PTR(next), GPR_SLICE_LENGTH(next));
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offset += GPR_SLICE_LENGTH(next);
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}
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return NanEscapeScope(NanNewBufferHandle(result, length));
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}
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} // namespace node
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} // namespace grpc
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