75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/*
|
|
* Copyright (C) 2014-2019 Amlogic, Inc. All rights reserved.
|
|
*
|
|
* All information contained herein is Amlogic confidential.
|
|
*
|
|
* This software is provided to you pursuant to Software License Agreement
|
|
* (SLA) with Amlogic Inc ("Amlogic"). This software may be used
|
|
* only in accordance with the terms of this agreement.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification is strictly prohibited without prior written permission from
|
|
* Amlogic.
|
|
*
|
|
* 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 "IpcBuffer.h"
|
|
|
|
IpcBuffer::IpcBuffer(size_t size, const char *name) {
|
|
_handle = ringbuffer_create(size, name);
|
|
}
|
|
|
|
IpcBuffer::~IpcBuffer() {
|
|
ringbuffer_free(_handle);
|
|
_handle = nullptr;
|
|
|
|
if (_data_header != nullptr) {
|
|
delete _data_header;
|
|
_data_header = nullptr;
|
|
}
|
|
}
|
|
|
|
void IpcBuffer::reset() {
|
|
ringbuffer_cleanreset(_handle);
|
|
|
|
if (_data_header != nullptr) {
|
|
delete _data_header;
|
|
_data_header = nullptr;
|
|
}
|
|
}
|
|
|
|
int IpcBuffer::read(char *dst, int count) {
|
|
return ringbuffer_read(_handle, dst, count, rbuf_mode_t::RBUF_MODE_BLOCK);
|
|
}
|
|
|
|
int IpcBuffer::peek(char *dst, int count) {
|
|
return ringbuffer_peek(_handle, dst, count, rbuf_mode_t::RBUF_MODE_BLOCK);
|
|
}
|
|
|
|
int IpcBuffer::write(char *src, int count) {
|
|
return ringbuffer_write(_handle, src, count, rbuf_mode_t::RBUF_MODE_BLOCK);
|
|
}
|
|
|
|
int IpcBuffer::readableCount() {
|
|
return ringbuffer_read_avail(_handle);
|
|
}
|
|
|
|
int IpcBuffer::writeableCount() {
|
|
return ringbuffer_write_avail(_handle);
|
|
}
|
|
|
|
const char *IpcBuffer::base() {
|
|
return static_cast<const char *>(_handle);
|
|
}
|