| /* |
| * |
| * 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_INTERNAL_CORE_SURFACE_BYTE_BUFFER_QUEUE_H |
| #define GRPC_INTERNAL_CORE_SURFACE_BYTE_BUFFER_QUEUE_H |
| |
| #include <grpc/byte_buffer.h> |
| |
| /* TODO(ctiller): inline an element or two into this struct to avoid per-call |
| allocations */ |
| typedef struct { |
| grpc_byte_buffer **data; |
| size_t count; |
| size_t capacity; |
| } grpc_bbq_array; |
| |
| /* should be initialized by zeroing memory */ |
| typedef struct { |
| size_t drain_pos; |
| grpc_bbq_array filling; |
| grpc_bbq_array draining; |
| } grpc_byte_buffer_queue; |
| |
| void grpc_bbq_destroy(grpc_byte_buffer_queue *q); |
| grpc_byte_buffer *grpc_bbq_pop(grpc_byte_buffer_queue *q); |
| void grpc_bbq_flush(grpc_byte_buffer_queue *q); |
| int grpc_bbq_empty(grpc_byte_buffer_queue *q); |
| void grpc_bbq_push(grpc_byte_buffer_queue *q, grpc_byte_buffer *bb); |
| |
| #endif /* GRPC_INTERNAL_CORE_SURFACE_BYTE_BUFFER_QUEUE_H */ |