byte_buffer.h

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/*
 *
 * Copyright 2015, Google Inc.
 * All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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#ifndef GRPC_BYTE_BUFFER_H
#define GRPC_BYTE_BUFFER_H

#include <grpc/compression.h>
#include <grpc/support/slice_buffer.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
  GRPC_BB_RAW
  /* Future types may include GRPC_BB_PROTOBUF, etc. */
} grpc_byte_buffer_type;

struct grpc_byte_buffer {
  grpc_byte_buffer_type type;
  union {
    struct {
      grpc_compression_algorithm compression;
      gpr_slice_buffer slice_buffer;
    } raw;
  } data;
};
typedef struct grpc_byte_buffer grpc_byte_buffer;

grpc_byte_buffer *grpc_raw_byte_buffer_create(gpr_slice *slices,
                                              size_t nslices);

grpc_byte_buffer *grpc_raw_compressed_byte_buffer_create(
    gpr_slice *slices, size_t nslices, grpc_compression_algorithm compression);

grpc_byte_buffer *grpc_byte_buffer_copy(grpc_byte_buffer *bb);

size_t grpc_byte_buffer_length(grpc_byte_buffer *bb);

void grpc_byte_buffer_destroy(grpc_byte_buffer *byte_buffer);

struct grpc_byte_buffer_reader;
typedef struct grpc_byte_buffer_reader grpc_byte_buffer_reader;

void grpc_byte_buffer_reader_init(grpc_byte_buffer_reader *reader,
                                  grpc_byte_buffer *buffer);

void grpc_byte_buffer_reader_destroy(grpc_byte_buffer_reader *reader);

int grpc_byte_buffer_reader_next(grpc_byte_buffer_reader *reader,
                                 gpr_slice *slice);

grpc_byte_buffer *grpc_raw_byte_buffer_from_reader(
    grpc_byte_buffer_reader *reader);

#ifdef __cplusplus
}
#endif

#endif /* GRPC_BYTE_BUFFER_H */