| /* |
| * |
| * 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. |
| * |
| */ |
| |
| #include "src/core/transport/byte_stream.h" |
| |
| #include <stdlib.h> |
| |
| #include <grpc/support/log.h> |
| |
| int grpc_byte_stream_next(grpc_exec_ctx *exec_ctx, |
| grpc_byte_stream *byte_stream, gpr_slice *slice, |
| size_t max_size_hint, grpc_closure *on_complete) { |
| return byte_stream->next(exec_ctx, byte_stream, slice, max_size_hint, |
| on_complete); |
| } |
| |
| void grpc_byte_stream_destroy(grpc_exec_ctx *exec_ctx, |
| grpc_byte_stream *byte_stream) { |
| byte_stream->destroy(exec_ctx, byte_stream); |
| } |
| |
| /* slice_buffer_stream */ |
| |
| static int slice_buffer_stream_next(grpc_exec_ctx *exec_ctx, |
| grpc_byte_stream *byte_stream, |
| gpr_slice *slice, size_t max_size_hint, |
| grpc_closure *on_complete) { |
| grpc_slice_buffer_stream *stream = (grpc_slice_buffer_stream *)byte_stream; |
| GPR_ASSERT(stream->cursor < stream->backing_buffer->count); |
| *slice = gpr_slice_ref(stream->backing_buffer->slices[stream->cursor]); |
| stream->cursor++; |
| return 1; |
| } |
| |
| static void slice_buffer_stream_destroy(grpc_exec_ctx *exec_ctx, |
| grpc_byte_stream *byte_stream) {} |
| |
| void grpc_slice_buffer_stream_init(grpc_slice_buffer_stream *stream, |
| gpr_slice_buffer *slice_buffer, |
| uint32_t flags) { |
| GPR_ASSERT(slice_buffer->length <= UINT32_MAX); |
| stream->base.length = (uint32_t)slice_buffer->length; |
| stream->base.flags = flags; |
| stream->base.next = slice_buffer_stream_next; |
| stream->base.destroy = slice_buffer_stream_destroy; |
| stream->backing_buffer = slice_buffer; |
| stream->cursor = 0; |
| } |