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/*
*
* Copyright 2014, 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.
*
*/
#include <grpc/byte_buffer_reader.h>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/slice_buffer.h>
#include <grpc/byte_buffer.h>
grpc_byte_buffer_reader *grpc_byte_buffer_reader_create(
grpc_byte_buffer *buffer) {
grpc_byte_buffer_reader *reader = malloc(sizeof(grpc_byte_buffer_reader));
reader->buffer = buffer;
switch (buffer->type) {
case GRPC_BB_SLICE_BUFFER:
reader->current.index = 0;
}
return reader;
}
int grpc_byte_buffer_reader_next(grpc_byte_buffer_reader *reader,
gpr_slice *slice) {
grpc_byte_buffer *buffer = reader->buffer;
gpr_slice_buffer *slice_buffer;
switch (buffer->type) {
case GRPC_BB_SLICE_BUFFER:
slice_buffer = &buffer->data.slice_buffer;
if (reader->current.index < slice_buffer->count) {
*slice = gpr_slice_ref(slice_buffer->slices[reader->current.index]);
reader->current.index += 1;
return 1;
} else {
return 0;
}
break;
}
return 0;
}
void grpc_byte_buffer_reader_destroy(grpc_byte_buffer_reader *reader) {
free(reader);
}
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