关于php的socket
最近在学php的socket，想通过一个功能的实现检验我对socket的理解：
1、client端发送数据到服务器端
2、server端接收client发送过来的数据，并会送一个响应给client端
3、client端显示server端发过来的响应信息
以下是代码
server.php:
<?php
// Set up our socket
$commonProtocol = getprotobyname("tcp");
$socket = socket_create(AF_INET, SOCK_STREAM, $commonProtocol);
socket_bind($socket, 'localhost', 1234);
socket_listen($socket);
// Initialize the buffer
$buffer = "NO DATA";
while(true) {
// Accept any connections coming in on this socket
$connection = socket_accept($socket);
printf("Socket connected\r\n");
// Check to see if there is anything in the buffer
$buffer=socket_read($connection, 2048, PHP_NORMAL_READ);
echo "recived from client ".$buffer;
$ResponseToClient=$buffer." is handled by server!\n";
socket_write($connection, $ResponseToClient);
echo "response to client!\n ";
}
?>
client.php:
<?php
// Create the socket and connect
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
$connection = socket_connect($socket,'localhost', 65500);
$i=0;
$s=0;
while(true)
{
echo "sending data".$i++."\n";
$SendDataToServer=socket_write($socket, "server".$s++);
$ResponseFromServer=socket_read($socket, 2048, PHP_NORMAL_READ);
echo "received".$ResponseFromServer."from server \n";
}
?>
问题是：client端只显示sending data0
而server端只显示Socket connected
其他什么也不显示，没有达到我预想的client不断发送数据，server端不断处理数据并返回给client的目的，请高手指教下，万分感谢 socket PHP
[解决办法]
没有需求干嘛弄这个？
不过可以给你个早年写的测试例
服务端
<?php
// Server
// 设置错误处理
error_reporting (E_ALL);
// 设置运行时间
set_time_limit (0);
// 起用缓冲
ob_implicit_flush ();
$ip = "127.0.0.1"; // IP地址
$port = 1000; // 端口号
$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 创建一个SOCKET
if ($socket)
echo "socket_create() successed!\n";
else
echo "socket_create() failed:".socket_strerror ($socket)."\n";
$bind = socket_bind ($socket, $ip, $port); // 绑定一个SOCKET
if ($bind)
echo "socket_bind() successed!\n";
else
echo "socket_bind() failed:".socket_strerror ($bind)."\n";
$listen = socket_listen ($socket); // 间听SOCKET
if ($listen)
echo "socket_listen() successed!\n";
else
echo "socket_listen() failed:".socket_strerror ($listen)."\n";
while (true)
{
$msg = socket_accept ($socket); // 接受一个SOCKET
if (!$msg)
{
echo "socket_accept() failed:".socket_strerror ($msg)."\n";
break;
}
$welcome = "服务端收到:Welcome to PHP Server!\n";
socket_write ($msg, $welcome, strlen ($welcome));
while (true)
{
$command = strtoupper (trim (socket_read ($msg, 1024)));
if (!$command)
break;
switch ($command)
{
case "HELLO":
$writer = "Hello Everybody!";
break;
case "QUIT":
$writer = "Bye-Bye";
break;
case "HELP":
$writer = "HELLO\tQUIT\tHELP";
break;
default:
$writer = "Error Command!";
}
socket_write ($msg, $writer, strlen ($writer));
if ($command == "QUIT")
break;
}
socket_close ($msg);
if ($command == "QUIT")
break;
}
socket_close ($socket); // 关闭SOCKET
<?php
// Client
// 设置错误处理
error_reporting (E_ALL);
// 设置处理时间
set_time_limit (0);
$ip = "127.0.0.1"; // IP 地址
$port = 1000; // 端口号
$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 创建一个SOCKET
if ($socket)
echo "socket_create() 成功!<br>\n";
else
echo "socket_create() 失败:".socket_strerror ($socket)."<br>\n";
$conn = socket_connect ($socket, $ip, $port); // 建立SOCKET的连接
if ($conn)
echo "成功连接到[".$ip.":".$port."]<br>\n";
else
echo "socket_connect() 失败:".socket_strerror ($conn)."<br>\n";
echo socket_read ($socket, 1024)."<br>";
$stdin = fopen ('php://stdin', 'r');
$ar = array("HELLO","HELP","test","QUIT");
$i = 0;
while (true)
{
// $command = trim (fgets ($stdin, 1024));
// socket_write ($socket, $command, strlen ($command));
echo "发送 $ar[$i]<br>";
socket_write ($socket, $ar[$i], strlen($ar[$i]));
$i++;
$msg = trim (socket_read ($socket, 1024));
echo "收到:$msg<br>\n";
if ($msg == "Bye-Bye")
break;
}
fclose ($stdin);
socket_close ($socket);
