mirror of
https://github.com/cocos/cocos-engine.git
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90 lines
3.0 KiB
C++
90 lines
3.0 KiB
C++
/****************************************************************************
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Copyright (c) 2020-2022 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated engine source code (the "Software"), a limited,
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worldwide, royalty-free, non-assignable, revocable and non-exclusive license
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to use Cocos Creator solely to develop games on your target platforms. You shall
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not use Cocos Creator software for developing other software or tools that's
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used for developing games. You are not granted to publish, distribute,
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sublicense, and/or sell copies of Cocos Creator.
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The software or tools in this License Agreement are licensed, not sold.
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Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "platform/java/jni/glue/MessagePipe.h"
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#include <fcntl.h>
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#include <unistd.h>
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#include "platform/java/jni/log.h"
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//#include <android/log.h>
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//#include "platform/android/jni/JniCocosActivity.h"
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namespace cc {
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MessagePipe::MessagePipe() {
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int messagePipe[2] = {0};
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if (pipe(messagePipe)) {
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LOGV("Can not create pipe: %s", strerror(errno));
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}
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_pipeRead = messagePipe[0];
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_pipeWrite = messagePipe[1];
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if (fcntl(_pipeRead, F_SETFL, O_NONBLOCK) < 0) {
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LOGV("Can not make pipe read to non blocking mode.");
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}
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}
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MessagePipe::~MessagePipe() {
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close(_pipeRead);
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close(_pipeWrite);
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}
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void MessagePipe::writeCommand(int8_t cmd) const {
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write(_pipeWrite, &cmd, sizeof(cmd));
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}
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int MessagePipe::readCommand(int8_t& cmd) const {
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return read(_pipeRead, &cmd, sizeof(cmd));
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}
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int MessagePipe::readCommandWithTimeout(void* msg, int32_t size, int delayMS) {
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if (delayMS > 0) {
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static fd_set fdSet;
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static timeval timeout;
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timeout = {delayMS / 1000, (delayMS % 1000) * 1000};
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FD_ZERO(&fdSet);
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FD_SET(_pipeRead, &fdSet);
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auto ret = select(_pipeRead + 1, &fdSet, nullptr, nullptr, &timeout);
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if (ret < 0) {
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LOGV("failed to run select(..): %s\n", strerror(errno));
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return ret;
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}
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if (ret == 0) {
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return 0;
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}
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}
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return readCommand(msg, size);
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}
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void MessagePipe::writeCommand(void* msg, int32_t size) const {
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write(_pipeWrite, msg, size);
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}
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int MessagePipe::readCommand(void* msg, int32_t size) const {
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return read(_pipeRead, msg, size);
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}
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} // namespace cc
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