PHP编程：详解php的socket通信

 1 <?php 2 //确保在连接客户端时不会超时 3 set_time_limit(0); 4 5 $ip = '127.0.0.1'; 6 $port = 1935; 7 8 /* 9 +------------------------------- 10 *  @socket通信整个过程 11 +------------------------------- 12 *  @socket_create 13 *  @socket_bind 14 *  @socket_listen 15 *  @socket_accept 16 *  @socket_read 17 *  @socket_write 18 *  @socket_close 19 +-------------------------------- 20 */ 21 22 /*----------------  以下操作都是手册上的  -------------------*/ 23 if(($sock = socket_create(AF_INET,SOCK_STREAM,SOL_TCP)) < 0) { 24 echo "socket_create() 失败的原因是:".socket_strerror($sock)."n"; 25 } 26 27 if(($ret = socket_bind($sock,$ip,$port)) < 0) { 28 echo "socket_bind() 失败的原因是:".socket_strerror($ret)."n"; 29 } 30 31 if(($ret = socket_listen($sock,4)) < 0) { 32 echo "socket_listen() 失败的原因是:".socket_strerror($ret)."n"; 33 } 34 35 $count = 0; 36 37 do { 38 if (($msgsock = socket_accept($sock)) < 0) { 39 echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "n"; 40 break; 41 } else { 42 43 //发到客户端 44 $msg ="测试成功!n"; 45 socket_write($msgsock,$msg,strlen($msg)); 46 47 echo "测试成功了啊n"; 48 $buf = socket_read($msgsock,8192); 49 50 51 $talkback = "收到的信息:$bufn"; 52 echo $talkback; 53 54 if(++$count >= 5){ 55 break; 56 }; 57 58 59 } 60 //echo $buf; 61 socket_close($msgsock); 62 63 } while (true); 64 65 socket_close($sock); 66 ?>

 1 <?php 2 error_reporting(E_ALL); 3 set_time_limit(0); 4 echo "<h2>TCP/IP Connection</h2>n"; 5 6 $port = 1935; 7 $ip = "127.0.0.1"; 8 9 /* 10 +------------------------------- 11 *  @socket连接整个过程 12 +------------------------------- 13 *  @socket_create 14 *  @socket_connect 15 *  @socket_write 16 *  @socket_read 17 *  @socket_close 18 +-------------------------------- 19 */ 20 21 $socket = socket_create(AF_INET,SOL_TCP); 22 if ($socket < 0) { 23 echo "socket_create() failed: reason: " . socket_strerror($socket) . "n"; 24 }else { 25 echo "OK.n"; 26 } 27 28 echo "试图连接 '$ip' 端口 '$port'...n"; 29 $result = socket_connect($socket,$port); 30 if ($result < 0) { 31 echo "socket_connect() failed.nReason: ($result) " . socket_strerror($result) . "n"; 32 }else { 33 echo "连接OKn"; 34 } 35 36 $in = "Horn"; 37 $in .= "first bloodrn"; 38 $out = ''; 39 40 if(!socket_write($socket,$in,strlen($in))) { 41 echo "socket_write() failed: reason: " . socket_strerror($socket) . "n"; 42 }else { 43 echo "发送到服务器信息成功!n"; 44 echo "发送的内容为:<font color='red'>$in</font> <br>"; 45 } 46 47 while($out = socket_read($socket,8192)) { 48 echo "接收服务器回传信息成功!n"; 49 echo "接受的内容为:",$out; 50 } 51 52 53 echo "关闭SOCKET...n"; 54 socket_close($socket); 55 echo "关闭OKn"; 56 ?>

// 设置一些基本的变量
$host = "192.168.1.99";
$port = 1234;
// 设置超时时间
set_time_limit(0);
// 创建一个Socket
$socket = socket_create(AF_INET,0) or die("Could not createsocketn");
//绑定Socket到端口
$result = socket_bind($socket,$host,$port) or die("Could not bind tosocketn");
// 开始监听链接
$result = socket_listen($socket,3) or die("Could not set up socketlistenern");
// accept incoming connections
// 另一个Socket来处理通信
$spawn = socket_accept($socket) or die("Could not accept incomingconnectionn");
// 获得客户端的输入
$input = socket_read($spawn,1024) or die("Could not read inputn");
// 清空输入字符串
$input = trim($input);
//处理客户端输入并返回结果
$output = strrev($input) . "n";
socket_write($spawn,$output,strlen ($output)) or die("Could not write
outputn");
// 关闭sockets
socket_close($spawn);
socket_close($socket);

// 设置两个变量
$host = "192.168.1.99" ;
$port = 1234 ; 

// 超时时间
set_time_limit ( 0 ); 

// 创建Socket
$socket = socket_create ( AF_INET,0 ) or die( "Could not create
socketn" ); 

// 创建 socket
$socket = socket_create ( AF_INET,SOCK_DGRAM,0 ) or die( "Could not create
socketn" ); 

// 绑定 socket to 指定地址和端口
$result = socket_bind ( $socket,$port ) or die( "Could not bind to
socketn" ); 

// 开始监听连接
$result = socket_listen ( $socket,3 ) or die( "Could not set up socket
listenern" ); 

//接受哀求链接
// 调用子socket 处理信息
$spawn = socket_accept ( $socket ) or die( "Could not accept incoming
connectionn" ); 

// 读取客户端输入
$input = socket_read ( $spawn,1024 ) or die( "Could not read inputn" );
?& gt ; 

// 处理客户端输入并返回数据
$output = strrev ( $input ) . "n" ;
socket_write ( $spawn,strlen ( $output )) or die( "Could not write
outputn" ); 

// 关闭 sockets
socket_close ( $spawn );
socket_close ( $socket );