mirror of
https://fuchsia.googlesource.com/third_party/grpc
synced 2024-09-20 11:26:56 +00:00
95 lines
4.5 KiB
C
95 lines
4.5 KiB
C
/*
|
|
*
|
|
* Copyright 2015, Google Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following disclaimer
|
|
* in the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Google Inc. nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#ifndef GRPC_SLICE_BUFFER_H
|
|
#define GRPC_SLICE_BUFFER_H
|
|
|
|
#include <grpc/slice.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* initialize a slice buffer */
|
|
GPRAPI void grpc_slice_buffer_init(grpc_slice_buffer *sb);
|
|
/* destroy a slice buffer - unrefs any held elements */
|
|
GPRAPI void grpc_slice_buffer_destroy(grpc_slice_buffer *sb);
|
|
/* Add an element to a slice buffer - takes ownership of the slice.
|
|
This function is allowed to concatenate the passed in slice to the end of
|
|
some other slice if desired by the slice buffer. */
|
|
GPRAPI void grpc_slice_buffer_add(grpc_slice_buffer *sb, grpc_slice slice);
|
|
/* add an element to a slice buffer - takes ownership of the slice and returns
|
|
the index of the slice.
|
|
Guarantees that the slice will not be concatenated at the end of another
|
|
slice (i.e. the data for this slice will begin at the first byte of the
|
|
slice at the returned index in sb->slices)
|
|
The implementation MAY decide to concatenate data at the end of a small
|
|
slice added in this fashion. */
|
|
GPRAPI size_t grpc_slice_buffer_add_indexed(grpc_slice_buffer *sb,
|
|
grpc_slice slice);
|
|
GPRAPI void grpc_slice_buffer_addn(grpc_slice_buffer *sb, grpc_slice *slices,
|
|
size_t n);
|
|
/* add a very small (less than 8 bytes) amount of data to the end of a slice
|
|
buffer: returns a pointer into which to add the data */
|
|
GPRAPI uint8_t *grpc_slice_buffer_tiny_add(grpc_slice_buffer *sb, size_t len);
|
|
/* pop the last buffer, but don't unref it */
|
|
GPRAPI void grpc_slice_buffer_pop(grpc_slice_buffer *sb);
|
|
/* clear a slice buffer, unref all elements */
|
|
GPRAPI void grpc_slice_buffer_reset_and_unref(grpc_slice_buffer *sb);
|
|
/* swap the contents of two slice buffers */
|
|
GPRAPI void grpc_slice_buffer_swap(grpc_slice_buffer *a, grpc_slice_buffer *b);
|
|
/* move all of the elements of src into dst */
|
|
GPRAPI void grpc_slice_buffer_move_into(grpc_slice_buffer *src,
|
|
grpc_slice_buffer *dst);
|
|
/* remove n bytes from the end of a slice buffer */
|
|
GPRAPI void grpc_slice_buffer_trim_end(grpc_slice_buffer *src, size_t n,
|
|
grpc_slice_buffer *garbage);
|
|
/* move the first n bytes of src into dst */
|
|
GPRAPI void grpc_slice_buffer_move_first(grpc_slice_buffer *src, size_t n,
|
|
grpc_slice_buffer *dst);
|
|
/* move the first n bytes of src into dst (copying them) */
|
|
GPRAPI void grpc_slice_buffer_move_first_into_buffer(grpc_exec_ctx *exec_ctx,
|
|
grpc_slice_buffer *src,
|
|
size_t n, void *dst);
|
|
/* take the first slice in the slice buffer */
|
|
GPRAPI grpc_slice grpc_slice_buffer_take_first(grpc_slice_buffer *src);
|
|
/* undo the above with (a possibly different) \a slice */
|
|
GPRAPI void grpc_slice_buffer_undo_take_first(grpc_slice_buffer *src,
|
|
grpc_slice slice);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* GRPC_SLICE_BUFFER_H */
|