<?php
/**
* Created by PhpStorm.
* User: tioncico
* Date: 18-5-21
* Time: 下午11:51
*/
classPipe
{
public$fifoPath;
private$w_pipe;
private$r_pipe;
/**
* 自动创建一个管道
*
* @param string $name 管道名字
* @param int $mode 管道的权限，默认任何用户组可以读写
*/
function__construct($name= 'pipe', $mode= 0666)
{
$fifoPath= "tmp/$name".getmypid() ;
if(!file_exists($fifoPath)) {
if(!posix_mkfifo($fifoPath, $mode)) {
// error("create new pipe ($name) error.");
returnfalse;
}
} else{
// error("pipe ($name) has exit.");
returnfalse;
}
$this->fifoPath = $fifoPath;
}
///////////////////////////////////////////////////
// 写管道函数开始
///////////////////////////////////////////////////
functionopen_write()
{
$this->w_pipe = fopen($this->fifoPath, 'w');
// var_dump($this->w_pipe);
if($this->w_pipe == NULL) {
thrownewException('打开管道错误!');
// return false;
}
returntrue;
}
functionwrite($data)
{
returnfwrite($this->w_pipe, $data);
}
functionwrite_all($data)
{
$w_pipe= fopen($this->fifoPath, 'w');
fwrite($w_pipe, $data);
fclose($w_pipe);
}
functionclose_write()
{
returnfclose($this->w_pipe);
}
/////////////////////////////////////////////////////////
/// 读管道相关函数开始
////////////////////////////////////////////////////////
functionopen_read()
{
$this->r_pipe = fopen($this->fifoPath, 'r');
if($this->r_pipe == NULL) {
// error("open pipe {$this->fifoPath} for read error.");
returnfalse;
}
returntrue;
}
functionread($byte= 1024)
{
returnfread($this->r_pipe, $byte);
}
functionread_all()
{
$r_pipe= fopen($this->fifoPath, 'r');
$data = '';
while(!feof($r_pipe)) {
//echo "read one K\n";
$data.= fread($r_pipe, 1024);
}
fclose($r_pipe);
return$data;
}
functionclose_read()
{
returnfclose($this->r_pipe);
}
////////////////////////////////////////////////////
/**
* 删除管道
*
* @return boolean is success
*/
functionrm_pipe()
{
returnunlink($this->fifoPath);
}
}
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