108 lines
2.6 KiB
PHP
Executable File
108 lines
2.6 KiB
PHP
Executable File
<?php
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define('PID_FILE_NAME', '/tmp/swoole_server.pid');
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$serv = new FixedHeaderServer();
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$serv->run('0.0.0.0', 9504);
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class FixedHeaderServer
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{
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protected $buffer = array();
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protected $length = array();
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/**
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* @var swoole_server
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*/
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protected $serv;
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const MAX_PACKAGE_LEN = 8000000;
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function onPackage($fd, $pkg)
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{
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$this->current_fd = $fd;
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var_dump($pkg);
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$resp = "hello world";
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$this->serv->send($fd, $resp);
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$this->current_fd = '';
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}
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function onReceive($serv, $fd, $from_id, $data)
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{
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echo "package".substr($data, -4, 4)." length=". (strlen($data) - 2)."\n";
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}
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function onReceive_unpack_php($serv, $fd, $from_id, $data)
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{
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if (empty($this->buffer[$fd]))
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{
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$this->buffer[$fd] = '';
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$this->length[$fd] = 0;
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}
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$this->buffer[$fd] .= $data;
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$buffer = &$this->buffer[$fd];
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do
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{
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if ($this->length[$fd] === 0)
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{
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$n = unpack('Nlen', substr($buffer, 0, 4));
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$this->length[$fd] = $n['len'];
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if ($n['len'] > self::MAX_PACKAGE_LEN)
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{
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$this->serv->close($fd);
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return;
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}
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}
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if (strlen($buffer) >= $this->length[$fd])
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{
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$this->onPackage($fd, substr($buffer, 0, $this->length[$fd]));
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$buffer = substr($buffer, $this->length[$fd]);
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$this->length[$fd] = 0;
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}
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else
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{
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break;
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}
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} while(strlen($buffer) > 0);
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}
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function onClose($serv, $fd)
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{
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unset($this->buffer[$fd], $this->length[$fd]);
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}
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function run($host, $port)
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{
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register_shutdown_function(array($this, 'errorHandler'));
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$this->serv = new swoole_server($host, $port);
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file_put_contents(PID_FILE_NAME, posix_getpid());
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$this->serv->set(array(
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'max_request' => 0,
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// 'dispatch_mode' => 3,
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'open_length_check' => true,
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'package_max_length' => 81920,
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'package_length_type' => 'n', //see php pack()
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'package_length_offset' => 0,
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'package_body_offset' => 2,
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'worker_num' => 2,
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));
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$this->serv->on('receive', array($this, 'onReceive'));
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$this->serv->on('close', array($this, 'onClose'));
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$this->serv->start();
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}
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function errorHandler()
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{
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if(!empty($this->current_fd))
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{
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$rsp = Proxy::shutdown_handler();
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$rsp && $this->serv->send($this->current_fd, $rsp);
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}
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}
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}
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