一起看看Swoole HTTP

# 查看SWOOLE版本
$ php -r 'echo SWOOLE_VERSION;'
4.3.1

POST /search HTTP/1.1  
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/vnd.ms-powerpoint, 
application/msword, application/x-silverlight, application/x-shockwave-flash, */*  
Referer: http://www.google.cn/  
Accept-Language: zh-cn  
Accept-Encoding: gzip, deflate  
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; TheWorld)  
Host: www.google.cn 
Connection: Keep-Alive  
Cookie: PREF=ID=80a06da87be9ae3c:U=f7167333e2c3b714:NW=1:TM=1261551909:LM=1261551917:S=ybYcq2wpfefs4V9g; 
NID=31=ojj8d-IygaEtSxLgaJmqSjVhCspkviJrB6omjamNrSm8lZhKy_yMfO2M4QMRKcH1g0iQv9u-2hfBW7bUFwVh7pGaRUb0RnHcJU37y-
FxlRugatx63JLv7CWMD6UB_O_r  

hl=zh-CN&source=hp&q=domety

HTTP/1.1 200 OK
Date: Mon, 23 May 2005 22:38:34 GMT
Content-Type: text/html; charset=UTF-8
Content-Encoding: UTF-8
Content-Length: 138
Last-Modified: Wed, 08 Jan 2003 23:11:55 GMT
Server: Apache/1.3.3.7 (Unix) (Red-Hat/Linux)
ETag: "3f80f-1b6-3e1cb03b"
Accept-Ranges: bytes
Connection: close

# 创建应用
$ mkdir test && cd test

# 创建并编辑服务器文件
$ vim server.php

<?php //创建HTTP服务器对象
$host = "0.0.0.0";
$port = 9501;
$server = new swoole_http_server($host, $port);
var_dump($server);

//设置服务器运行参数
$configs = [];
$configs["worker_num"] = 2;//设置Worker工作进程数量
$configs["daemonize"] = 0;//设置是否已后台守护进程运行
$server->set($configs);

//注册监听客户端HTTP请求回调事件
$server-&amp;amp;amp;amp;gt;on("request", function(swoole_http_request $request, swoole_http_response $response) use($server){
    var_dump($request);
    var_dump($response);
    
    //获取客户端文件描述符
    $fd = $request-&amp;amp;amp;amp;gt;fd;
    if(!empty($fd)){
        //获取连接信息
        $clientinfo = $server-&amp;amp;amp;amp;gt;getClientInfo($fd);
        var_dump($clientinfo);
        //获取收包时间
        var_dump($clientinfo["last_time"]);
    }

    //响应客户端HTTP请求
    $response-&amp;amp;amp;amp;gt;write("success");//向客户端写入响应数据
    $response-&amp;amp;amp;amp;gt;end();//浏览器中输出结果
});

//启动服务器
$server-&amp;amp;amp;amp;gt;start();

# 使用PHP-CLI运行服务器脚本
$ php server.php

# 使用CURL向HTTP服务器发送请求测试
$ curl 127.0.0.1:9501

var_dump($server);

object(Swoole\Connection\Iterator)#2 (0) {
  ["host"]=>string(7) "0.0.0.0"
  ["port"]=>int(9501)
  ["type"]=>int(1)
  ["mode"]=>int(2)
  ["ports"]=>
  array(1) {
    [0]=>
    object(Swoole\Server\Port)#3 (16) {
      ["onConnect":"Swoole\Server\Port":private]=>NULL
      ["onReceive":"Swoole\Server\Port":private]=>NULL
      ["onClose":"Swoole\Server\Port":private]=>NULL
      ["onPacket":"Swoole\Server\Port":private]=>NULL
      ["onBufferFull":"Swoole\Server\Port":private]=>NULL
      ["onBufferEmpty":"Swoole\Server\Port":private]=>NULL
      ["onRequest":"Swoole\Server\Port":private]=>NULL
      ["onHandShake":"Swoole\Server\Port":private]=>NULL
      ["onOpen":"Swoole\Server\Port":private]=>NULL
      ["onMessage":"Swoole\Server\Port":private]=>NULL
      ["host"]=>string(7) "0.0.0.0"
      ["port"]=>int(9501)
      ["type"]=>int(1)
      ["sock"]=>int(4)
      ["setting"]=>NULL
      ["connections"]=>object(Swoole\Connection\Iterator)#4 (0) {
      }
    }
  }
  ["master_pid"]=>int(0)
  ["manager_pid"]=>int(0)
  ["worker_id"]=>int(-1)
  ["taskworker"]=>bool(false)
  ["worker_pid"]=>int(0)
  ["onRequest":"Swoole\Http\Server":private]=>NULL
  ["onHandshake":"Swoole\Http\Server":private]=>NULL
}

$configs = [];
$configs["upload_tmp_dir"] = "/data/uploads/";
$server->set($configs);

$configs = [];
$configs["http_parse_post"] = true;
$server->set($configs);

$configs = [];
$configs["package_max_length"] = 2*1024;
$server->set($configs);

$configs = [];
$configs["http_parse_cookie"] = true;
$server->set($configs);

$configs = [];
$configs["http_compression"] = false;
$server->set($configs);

$configs = [];
$configs["http_compression_level"] = 1;
$server->set($configs);

$configs = [];
$configs["document_root"] = "/app";
$server->set($configs);

$configs = [];
$configs["enable_static_handler"] = true;
$server->set($configs);

$configs = [];
$configs["static_handler_locations"] = ["/static", "/public/assets"];
$server->set($configs);

$ vim server.php

$configs = [];
$configs["enable_static_handler"] =  true;
$configs["document_root"] = "/test";
$server->set($configs);

$ vim /usr/local/nginx/conf/nginx.conf

http {
    include       mime.types;
    default_type  application/octet-stream;
    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';
    #access_log  logs/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    #keepalive_timeout  0;
    keepalive_timeout  65;
    #gzip  on;
        upstream swoole{
                server 127.0.0.1:9501;
                keepalive 4;
        }
    server {
        listen       80;
        server_name  www.swoole.com;
        #charset koi8-r;
        #access_log  logs/host.access.log  main;
        location / {
            proxy_pass http://swoole;
            proxy_set_header Connection "";
            proxy_http_version 1.1;
            root   html;
            index  index.html index.htm;
        }
        #error_page  404              /404.html;
        # redirect server error pages to the static page /50x.html
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
}

server {
    root /data/wwwroot/;
    server_name local.swoole.com;

    location / {
        proxy_http_version 1.1;
        proxy_set_header Connection "keep-alive";
        proxy_set_header X-Real-IP $remote_addr;
        if (!-e $request_filename) {
             proxy_pass http://127.0.0.1:9501;
        }
    }
}

var_dump($request);

object(Swoole\Http\Request)#6 (10) {
  ["fd"]=>int(1)
  ["streamId"]=>int(0)
  ["header"]=>array(3) {
    ["host"]=>string(14) "127.0.0.1:9501"
    ["user-agent"]=>string(11) "curl/7.52.1"
    ["accept"]=>string(3) "*/*"
  }
  ["server"]=>array(10) {
    ["request_method"]=>string(3) "GET"
    ["request_uri"]=>string(1) "/"
    ["path_info"]=>string(1) "/"
    ["request_time"]=>int(1561689532)
    ["request_time_float"]=>float(1561689533.0563)
    ["server_port"]=>int(9501)
    ["remote_port"]=>int(51188)
    ["remote_addr"]=>string(9) "127.0.0.1"
    ["master_time"]=>int(1561689532)
    ["server_protocol"]=>string(8) "HTTP/1.1"
  }
  ["request"]=>NULL
  ["cookie"]=>NULL
  ["get"]=>NULL
  ["files"]=>NULL
  ["post"]=>NULL
  ["tmpfiles"]=>NULL
}

$host = $request->header["host"];
$accept = $request->header["accept"];

$request_method = $request->server["request_method"];
$request_time = $request->server["request_time"];
$request_uri = $request->server["request_uri"];

$uri = $request->server["request_uri"];
if($uri == "/favicon.icon")
{
  $respoonse->status(404);
  $response->end();
}

//获取客户端文件描述符
$fd = $request->fd;
if(!empty($fd)){
    //获取连接信息
    $clientinfo = $server->getClientInfo($fd);
    var_dump($clientinfo);
    //获取收包时间
    var_dump($clientinfo["last_time"]);
}

bool|array Server->getClientInfo(int $fd, int $extraData, bool $ignoreError = false)

array(10) {
  ["server_port"]=>int(9501)
  ["server_fd"]=>int(4)
  ["socket_fd"]=>int(12)
  ["socket_type"]=>int(1)
  ["remote_port"]=>int(51194)
  ["remote_ip"]=>string(9) "127.0.0.1"
  ["reactor_id"]=>int(0)
  ["connect_time"]=>int(1561690606)
  ["last_time"]=>int(1561690606)
  ["close_errno"]=>int(0)
}

$get = $request->get;//获取HTTP请求的所有GET参数

WARN swReactorThead_onReceive_http_request: http header is too long.

$post = $request->post;

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_POST, 1);//设置为POST方式
curl_setopt($ch, CURLOPT_HTTPHEADER, ["Exception:"]);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$files = $request->files;
var_dump($files);

array(5) {
    [name] => facepalm.jpg
    [type] => image/jpeg
    [tmp_name] => /tmp/swoole.upfile.n3FmFr
    [error] => 0
    [size] => 15476
}

string HTTP\Request->rawContent();

function swoole_http_request_getData() : string

object(Swoole\Http\Response)#7 (4) {
  ["fd"]=>int(1)
  ["header"]=>NULL
  ["cookie"]=>NULL
  ["trailer"]=>NULL
}

function Http\Response->header(
  string $key,
  string $value,
  bool $ucworods = true
)

$response->header("Content-Type", "image/jpeg", true);

$origin = $request->header['origin'];

// Access-Control-Allow-Origin 不能使用 *，这样修改是不支持php版本低于7.0的。
// $response->header('Access-Control-Allow-Origin', '*');
$response->header('Access-Control-Allow-Origin', $origin);
$response->header('Access-Control-Allow-Methods', 'OPTIONS');
$response->header('Access-Control-Allow-Headers', 'x-requested-with,session_id,Content-Type,token,Origin');
$response->header('Access-Control-Max-Age', '86400');
$response->header('Access-Control-Allow-Credentials', 'true');

if ($request->server['request_method'] == 'OPTIONS') {
  $response->status(200);
  $response->end();
  return;
};

function  Http\Response->cookie(
  string $key,
  string $value = "", 
  int $expire = 0,
  string $path = "/",
  string $domain = "",
  bool  $secure = false,
  bool $httponly = false
)

swoole_http_response->status(
  int $http_status_code
)

function Http\Response->redirect(
  string $url,
  int $http_code = 302
)

$server = new swoole_http_server("0.0.0.0", 9501, SWOOLE_BASE);
$server->on("request", function(swoole_http_request $request, swoole_http_response $response){
  $url = "http://www.baidu.com";
  $response->redirect($url, 301);
});
$server->start();

bool Http\Response->write(string $data)

function Http\Response->sendfile(
  string $filename,
  int $offset = 0,
  int $length = 0
)

$response->header("Content-Type", "image/jpeg");

$filepath = $request->server["request_uri"];
$filename = __DIR__.$filepath;
$response->sendfile($filename);

function Http\Response->end(string $html);

function Http\Response->detach():bool

<?php //创建HTTP服务器对象
$host = "0.0.0.0";
$port = 9501;
$server = new swoole_http_server($host, $port);

//设置服务器运行参数
$configs = [];
$configs["worker_num"] = 1;//设置Worker工作进程数量
$configs["task_worker_num"]  = 1;//设置Task任务进程数量
$configs["daemonize"] = 0;//设置是否已后台守护进程运行
$server->set($configs);

//注册客户端请求处理回调函数
$server-&amp;amp;amp;amp;gt;on("request", function(swoole_http_request $request, swoole_http_response $response) use($server){
    //分离响应对象
    $response-&amp;amp;amp;amp;gt;detach();
    //在Task任务进程中对客户端发出响应
    $fd = strval($response-&amp;amp;amp;amp;gt;fd);
    $server-&amp;amp;amp;amp;gt;task($fd);
});

//注册异步任务处理回调函数
$server-&amp;amp;amp;amp;gt;on("task", function(swoole_http_server $server, $worker_id, $data){
    //创建响应对象
    $response = swoole_http_response::create($data);
    //向客户端发送响应
    $html = "in task";
    $response-&amp;amp;amp;amp;gt;end($html);
});

//注册Task异步任务执行完毕回调函数
$server-&amp;amp;amp;amp;gt;on("finish", function(){
    echo "[finish] task".PHP_EOL;
});

//启动服务器
$server-&amp;amp;amp;amp;gt;start();

<?php //创建HTTP服务器对象
$host = "0.0.0.0";
$port = 9501;
$server = new swoole_http_server($host, $port);
//设置服务器运行参数
$configs = [];
$configs["worker_num"] = 2;//设置Worker工作进程数量
$configs["daemonize"] = 0;//设置是否已后台守护进程运行
$server->set($configs);
//注册监听客户端HTTP请求回调事件
$server-&amp;amp;amp;amp;gt;on("request", function(swoole_http_request $request, swoole_http_response $response) use($server){
    //分离响应对象
    $response-&amp;amp;amp;amp;gt;detach();
    //自行组包并使用Server::send方法发送数据
    $fd = $response-&amp;amp;amp;amp;gt;fd;
    $message = "HTTP/1.1 200 OK\r\n";
    $message .= "Server: server\r\n";
    $message .= "\r\n";
    $message .= "Hello World\n";
    $server-&amp;amp;amp;amp;gt;send($fd, $message);
});
//启动服务器
$server-&amp;amp;amp;amp;gt;start();

function Http\Response::createE(int $fd) : Http\Response

$server->on("request", function(swoole_http_request $request, swoole_http_response $response) use($server){
  $html = "success";
  $response->end($html);
});

<?php $addr = "0.0.0.0";
$port = 9501;
$svr = new swoole_http_server($addr, $port);
$svr->on("request", function(swoole_http_request $rq, swoole_http_response $rp){
    //处理动态请求
    $path_info = $rq-&amp;amp;amp;amp;gt;server["path_info"];
    $file = __DIR__.$path_info;
    echo "\nfile:{$file}";
    if(is_file($file) &amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp; file_exists($file)){
        $ext = pathinfo($path_info, PATHINFO_EXTENSION);
        echo "\next:{$ext}";
        if($ext == "php"){
            ob_start();
            include($file);
            $contents = ob_get_contents();
            ob_end_clean();
        }else{
            $contents = file_get_contents($file);
        }
        echo "\ncontents:{$contents}";
        $rp-&amp;amp;amp;amp;gt;end($contents);
    }else{
        $rp-&amp;amp;amp;amp;gt;status(404);
        $rp-&amp;amp;amp;amp;gt;end("404 not found");
    }
});
$svr-&amp;amp;amp;amp;gt;start();

# 创建静态文件
$ vim index.html
index.html

# 测试静态文件
$ curl 127.0.0.1:9501/index.html

# 观察http_server输出
file:/home/jc/projects/swoole/chat/index.html
ext:html
contents:index.html

# 测试动态文件
$ vim index.php
<?php echo "index.php";

#观察http_server日志输出
file:/home/jc/projects/swoole/chat/index.php
ext:php
contents:index.php

<?php $addr = "0.0.0.0";
$port = 9501;
$svr = new swoole_http_server($addr, $port);
$svr->on("request", function(swoole_http_request $rq, swoole_http_response $rp){
    //获取请求参数
    $params = $rq-&amp;amp;amp;amp;gt;get;
    echo "\nparams:".json_encode($params);
    //处理动态请求
    $path_info = $rq-&amp;amp;amp;amp;gt;server["path_info"];
    $file = __DIR__.$path_info;
    echo "\nfile:{$file}";
    if(is_file($file) &amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp; file_exists($file)){
        $ext = pathinfo($path_info, PATHINFO_EXTENSION);
        echo "\next:{$ext}";
        if($ext == "php"){
            ob_start();
            include($file);
            $contents = ob_get_contents();
            ob_end_clean();
        }else{
            $contents = file_get_contents($file);
        }
        echo "\ncontents:{$contents}";
        $rp-&amp;amp;amp;amp;gt;end($contents);
    }else{
        $rp-&amp;amp;amp;amp;gt;status(404);
        $rp-&amp;amp;amp;amp;gt;end("404 not found");
    }
});
$svr-&amp;amp;amp;amp;gt;start();

$ curl 127.0.0.1:9501?k=v

params:{"k":"v"}
file:/home/jc/projects/swoole/chat/index.html
ext:html
contents:index.html

$ vim mimes.php

<?php return [
    "jpg"=>"image/jpeg",
    "jpeg"=&amp;amp;amp;amp;gt;"image/jpeg",
    "bmp"=&amp;amp;amp;amp;gt;"image/bmp",
    "ico"=&amp;amp;amp;amp;gt;"image/x-icon",
    "gif"=&amp;amp;amp;amp;gt;"image/gif",
    "png"=&amp;amp;amp;amp;gt;"image/png",
    "css"=&amp;amp;amp;amp;gt;"text/css",
    "html"=&amp;amp;amp;amp;gt;"text/html",
    "xml"=&amp;amp;amp;amp;gt;"text/xml",
    "bin"=&amp;amp;amp;amp;gt;"application/octet-stream",
    "js"=&amp;amp;amp;amp;gt;"application/javascript",
    "tar"=&amp;amp;amp;amp;gt;"application/x-tar",
    "ppt"=&amp;amp;amp;amp;gt;"application/vnd.ms-powerpoint",
    "pdf"=&amp;amp;amp;amp;gt;"application/pdf",
    "swf"=&amp;amp;amp;amp;gt;"application/x-shockwave-flash",
    "zip"=&amp;amp;amp;amp;gt;"application/x-zip-compressed"
];

<?php //创建HTTP服务器
$addr = "0.0.0.0";
$port = 9501;
$srv = new swoole_http_server($addr, $port);
//设置HTTP服务器参数
$cfg = [];
$cfg["worker_num"] = 4;//设置工作进程数量
$cfg["daemonize"] = 0;//守护进程化，程序转入后台。
$srv->set($cfg);
//处理请求
$srv-&amp;amp;amp;amp;gt;on("request", function(swoole_http_request $rq, swoole_http_response $rp) use($srv){
    //获取请求文件信息与文件后缀
    $path_info = $rq-&amp;amp;amp;amp;gt;server["path_info"];
    $ext = pathinfo($path_info, PATHINFO_EXTENSION);
    //文件是否存在
    $file = __DIR__.$path_info;
    if(!is_file($file) || !file_exists($file)){
        $rp-&amp;amp;amp;amp;gt;status(404);
        $rp-&amp;amp;amp;amp;gt;end("404 NOT FOUND");
    }
    //处理静态请求
    if($ext != "php"){
        //设置响应头信息的内容内容
        $mimes = include("mimes.php");
        $rp-&amp;amp;amp;amp;gt;header("Content-Type", $mimes[$ext]);
        //获取静态文件内容
        $contents = file_get_contents($file);
        //返回内容
        $rp-&amp;amp;amp;amp;gt;end($contents);
    }
});
//启动服务
$srv-&amp;amp;amp;amp;gt;start();

<?php class HttpServer
{
    public static function run($host, $port, $options=[])
    {
        $srv = new swoole_http_server($host, $port);
        if(!empty($options)){
            $srv->set($options);
        }
        $srv-&amp;amp;amp;amp;gt;on("request", function(swoole_http_request $rq, swoole_http_response $rp) use($srv){
            $rp-&amp;amp;amp;amp;gt;end("test");
            $srv-&amp;amp;amp;amp;gt;close($rq-&amp;amp;amp;amp;gt;fd);
        });
        $srv-&amp;amp;amp;amp;gt;start();
    }
}

HttpServer::run("127.0.0.1", 9501, ["worker_num"=&amp;amp;amp;amp;gt;2, "daemonize"=&amp;amp;amp;amp;gt;0]);

$ sudo apt install apache2-util

$ ab -c 100 -n 1000 127.0.0.1:9501/index.php

Concurrency Level:      100
Time taken for tests:   0.480 seconds
Complete requests:      1000
Failed requests:        0
Total transferred:      156000 bytes
HTML transferred:       9000 bytes
Requests per second:    2084.98 [#/sec] (mean)
Time per request:       47.962 [ms] (mean)
Time per request:       0.480 [ms] (mean, across all concurrent requests)
Transfer rate:          317.63 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   3.0      0      12
Processing:     4   44  10.0     45      57
Waiting:        4   44  10.1     45      57
Total:         16   45   7.8     45      57

Percentage of the requests served within a certain time (ms)
  50%     45
  66%     49
  75%     51
  80%     52
  90%     54
  95%     55
  98%     55
  99%     56
 100%     57 (longest request)

$cfg = [];
// 处理请求的进程数量
$cfg["worker_num"] = 4;
// 守护进程化
$cfg["daemonize"] = 1;
// 设置工作进程的最大任务数量
$cfg["max_request"] = 0;

$cfg["backlog"] = 128;
$cfg["max_request"] = 50;
$cfg["dispatch_mode"] = 1;
$srv->set($cfg);

<?php //创建HTTP服务器
$addr = "0.0.0.0";
$port = 9501;
$srv = new swoole_http_server($addr, $port);
//设置HTTP服务器参数
$cfg = [];
$cfg["worker_num"] = 4;//设置工作进程数量
$cfg["daemonize"] = 1;//守护进程化，程序转入后台。
$srv->set($cfg);

$srv-&amp;amp;amp;amp;gt;on("request", function(swoole_http_request $rq, swoole_http_response $rp){
    //获取请求参数
    $params = $rq-&amp;amp;amp;amp;gt;get;
    echo "\nparams:".json_encode($params);
    //处理动态请求
    $path_info = $rq-&amp;amp;amp;amp;gt;server["path_info"];
    $file = __DIR__.$path_info;
    echo "\nfile:{$file}";
    if(is_file($file) &amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp; file_exists($file)){
        $ext = pathinfo($path_info, PATHINFO_EXTENSION);
        echo "\next:{$ext}";
        if($ext == "php"){
            ob_start();
            include($file);
            $contents = ob_get_contents();
            ob_end_clean();
        }else{
            $contents = file_get_contents($file);
        }
        echo "\ncontents:{$contents}";
        $rp-&amp;amp;amp;amp;gt;end($contents);
    }else{
        $rp-&amp;amp;amp;amp;gt;status(404);
        $rp-&amp;amp;amp;amp;gt;end("404 not found");
    }
});

//启动服务
$srv-&amp;amp;amp;amp;gt;start();

$ ps -ef|grep http_server.php
root     16224  1207  0 22:41 ?        00:00:00 php http_server.php
root     16225 16224  0 22:41 ?        00:00:00 php http_server.php
root     16227 16225  0 22:41 ?        00:00:00 php http_server.php
root     16228 16225  0 22:41 ?        00:00:00 php http_server.php
root     16229 16225  0 22:41 ?        00:00:00 php http_server.php
root     16230 16225  0 22:41 ?        00:00:00 php http_server.php
root     16233  2456  0 22:42 pts/0    00:00:00 grep --color=auto http_server.php

$ ps axuf|grep http_server.php
root     16622  0.0  0.0  21536  1044 pts/0    S+   22:46   0:00  |   |           \_ grep --color=auto http_server.php
root     16224  0.0  0.3 269036  8104 ?        Ssl  22:41   0:00  \_ php http_server.php
root     16225  0.0  0.3 196756  8440 ?        S    22:41   0:00      \_ php http_server.php
root     16227  0.0  0.6 195212 14524 ?        S    22:41   0:00          \_ php http_server.php
root     16228  0.0  0.6 195212 14524 ?        S    22:41   0:00          \_ php http_server.php
root     16229  0.0  0.6 195212 14524 ?        S    22:41   0:00          \_ php http_server.php
root     16230  0.0  0.6 195212 14524 ?        S    22:41   0:00          \_ php http_server.php

$ ps auxf|grep http_server.php|wc -l
7

# 强杀后台进程
$ kill -9 $(ps aux|grep swoole|grep -v grep|awk '{print $2}')
$ kill -9 16224
$ kill -9 16225
$ kill -9 16227
$ kill -9 16228
$ kill -9 16229
$ kill -9 16230

# 重启后台进程
$ kill -10 $(ps aux|grep http_server|grep -v grep|awk '{print $2}')

$ ab -c 100 -n 1000 127.0.0.1:9501/index.php
Server Software:        swoole-http-server
Server Hostname:        127.0.0.1
Server Port:            9501

Document Path:          /index.php
Document Length:        9 bytes

Concurrency Level:      100
Time taken for tests:   0.226 seconds
Complete requests:      1000
Failed requests:        0
Total transferred:      156000 bytes
HTML transferred:       9000 bytes
Requests per second:    4417.72 [#/sec] (mean)
Time per request:       22.636 [ms] (mean)
Time per request:       0.226 [ms] (mean, across all concurrent requests)
Transfer rate:          673.01 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   2.8      0      11
Processing:     4   21   7.2     20      49
Waiting:        1   21   7.2     20      49
Total:          5   22   7.6     20      56

Percentage of the requests served within a certain time (ms)
  50%     20
  66%     23
  75%     25
  80%     26
  90%     30
  95%     38
  98%     45
  99%     53
 100%     56 (longest request)