| /* |
| * |
| * 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); |
| } |