我是准备 为每个用户 以IP为标识 存在数据库中 还存着他这4个聊友的IP 还有发过来的内容等等然后直接在sendmessage函数里面 把你发给别人的话 直接存到对方的数据库中的内容里然后每个用户的getmessage函数负责监视数据库的变化之类的 通过AJAX长轮询来完成消息的传递可是在网上看到很多人一说到聊天室一类的内容 都会提到 多线程这些内容 我就想知道我的这种实现 需不需要多线程? 如
果不需要 那多线程的做法好 还是我这样的做法好?
果不需要 那多线程的做法好 还是我这样的做法好?
//确保在连接客户端时不会超时
set_time_limit(0);//设置IP和端口号
$address='127.0.0.1';
$port=2009; //调试的时候,可以多换端口来测试程序!//创建一个SOCKET
if(($sock=socket_create(AF_INET,SOCK_STREAM,SOL_TCP))<0)
{
echo "socket_create() 失败的原因是:".socket_strerror($sock)."<br>";
}//绑定到socket端口
if(($ret=socket_bind($sock,$address,$port))<0)
{
echo "socket_bind() 失败的原因是:".socket_strerror($ret)."<br>";
}//开始监听
if(($ret=socket_listen($sock,4))<0)
{
echo "socket_listen() 失败的原因是:".socket_strerror($ret)."<br>";
}do {
if (($msgsock = socket_accept($sock)) < 0)
{
echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "\n";
break;
}//发到客户端
//$msg ="<font color=red>欢迎进入服务器!zhaojun来测试一下看看!</font>{$buf}<br>";
$msg.=$buf.'<hr/>';
socket_write($msgsock, $msg, strlen($msg));echo "读取客户端发来的信息<br>";
$buf = socket_read($msgsock,8192);
$talkback = "收到的信息:$buf<br>";
echo $talkback;
/* if(socket_write($msgsock, $talkback, strlen($talkback))<0)
{
echo "socket_write() failed: reason: " . socket_strerror($msgsock) . "\n";
}
else
{
echo "发送成功";
}*/
//echo $buf;
socket_close($msgsock);
} while (true);socket_close($sock);
?>
<?php
error_reporting(E_ALL);
set_time_limit(0);
echo "<h2>TCP/IP Connection</h2>\n";$service_port = 2009;
$address = "127.0.0.1";
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
if ($socket < 0)
{
echo "socket_create() failed: reason: " . socket_strerror($socket) . "\n";
}
else
{
echo "OK.\n";
}echo "试图连接 '$address' 端口 '$service_port'...<br>";
$result = socket_connect($socket, $address, $service_port);
if ($result < 0)
{
echo "socket_connect() failed.\nReason: ($result) " . socket_strerror($result) . "\n";
}
else
{
echo "连接OK<br>";
}$in = "Hello\r\n";
$in .= "我是Chester\r\n";
$out = '';
$out1='';
if(!socket_write($socket, $in, strlen($in)))
{
echo "socket_write() failed: reason: " . socket_strerror($socket) . "\n";
}
else
{
echo "发送到服务器信息成功!<br>";
echo "发送的内容为:<font color='red'>$in</font> <br>";
}while($out = socket_read($socket, 8192))
{
echo "接收服务器回传信息成功!<br>";
echo "接受的内容为:",$out;
}
echo "关闭SOCKET...<br>";
socket_close($socket);
echo "关闭OK<br>";
?><?php
error_reporting(E_ALL);
set_time_limit(0);
echo "<h2>TCP/IP Connection</h2>\n";$service_port = 2009;
$address = "127.0.0.1";
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
if ($socket < 0)
{
echo "socket_create() failed: reason: " . socket_strerror($socket) . "\n";
}
else
{
echo "OK.\n";
}echo "试图连接 '$address' 端口 '$service_port'...<br>";
$result = socket_connect($socket, $address, $service_port);
if ($result < 0)
{
echo "socket_connect() failed.\nReason: ($result) " . socket_strerror($result) . "\n";
}
else
{
echo "连接OK<br>";
}$in = "Hello\r\n";
$in .= "我们来测试一下,君临天下!\r\n";
$out = '';
$out1='';
if(!socket_write($socket, $in, strlen($in)))
{
echo "socket_write() failed: reason: " . socket_strerror($socket) . "\n";
}
else
{
echo "发送到服务器信息成功!<br>";
echo "发送的内容为:<font color='red'>$in</font> <br>";
}while($out = socket_read($socket, 8192))
{
echo "接收服务器回传信息成功!<br>";
echo "接受的内容为:",$out;
}
echo "关闭SOCKET...<br>";
socket_close($socket);
echo "关闭OK<br>";
?>