socket详解
<?php /* * * socket主要翻译为套接字 * socket_accept — Accepts a connection on a socket * 接受一个socket链接 * socket_bind — 给套接字绑定名字 socket_clear_error — 清除套接字或者最后的错误代码上的错误 socket_close — 关闭套接字资源 socket_cmsg_space — Calculate message buffer size * 消息缓冲区大小的计算 * socket_connect — 开启一个套接字连接 socket_create_listen — Opens a socket on port to accept connections * 打开一个套接字端口接受连接 * socket_create_pair — Creates a pair of indistinguishable sockets and stores them in an array * 创建一对不可区分套接字并将其存储在一个数组 * socket_create — 创建一个套接字(通讯节点) socket_get_option — Gets socket options for the socket * 获取socket套接字选项 * socket_getpeername — Queries the remote side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type * 查询给定的套接字的远程侧既可以导致主机/端口或Unix文件系统路径,依赖于它的类型 * socket_getsockname — Queries the local side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type * 查询给定的套接字的本地端可能既导致主机/端口或Unix文件系统路径,依赖于它的类型 * socket_import_stream — Import a stream * 导入流 * socket_last_error — Returns the last error on the socket * 返回最后的socket的错误 * socket_listen — Listens for a connection on a socket * 监听socket的一个链接 * socket_read — Reads a maximum of length bytes from a socket * 从socket读取最大长度字节 * socket_recv — Receives data from a connected socket * 从连接套接字接收数据 * socket_recvfrom — Receives data from a socket whether or not it is connection-oriented * 从socket连接接收数据无论链接是否是面向连接 * socket_recvmsg — Read a message * 读取一个信息 * socket_select — Runs the select() system call on the given arrays of sockets with a specified timeout * 运行的select()系统指定一个给定的数组sockets,有指定的超时时间 * socket_send — Sends data to a connected socket * 用socket链接发送数据 * socket_sendmsg — Send a message * 发送一个信息 * socket_sendto — Sends a message to a socket, whether it is connected or not * 用socket发送一个信息,无论是链接还是没有链接 * socket_set_block — Sets blocking mode on a socket resource * 设置阻塞模式的socket资源模式 * socket_set_nonblock — Sets nonblocking mode for file descriptor fd * 设置无阻塞的文件描述符FD模式 * socket_set_option — Sets socket options for the socket * 设置socket套接字选项 * socket_shutdown — Shuts down a socket for receiving, sending, or both * 关闭一个socket接收,发送,或同时 * socket_strerror — Return a string describing a socket error * 返回一个描述一个socket错误字符串 * socket_write — Write to a socket * 写给一个socket * * */
server.php
<?php //确保在连接客户端时不会超时 set_time_limit(0); $ip = '127.0.0.1'; $port = 1935; /* +------------------------------- * @socket通信整个过程 +------------------------------- * @socket_create * @socket_bind * @socket_listen * @socket_accept * @socket_read * @socket_write * @socket_close +-------------------------------- */ /*---------------- 以下操作都是手册上的 -------------------*/ if(($sock = socket_create(AF_INET,SOCK_STREAM,SOL_TCP)) < 0) { echo "socket_create() 失败的原因是:".socket_strerror($sock)."\n"; } if(($ret = socket_bind($sock,$ip,$port)) < 0) { echo "socket_bind() 失败的原因是:".socket_strerror($ret)."\n"; } if(($ret = socket_listen($sock,4)) < 0) { echo "socket_listen() 失败的原因是:".socket_strerror($ret)."\n"; } $count = 0; do { if (($msgsock = socket_accept($sock)) < 0) { echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "\n"; break; } else { //发到客户端 $msg ="测试成功!\n"; socket_write($msgsock, $msg, strlen($msg)); echo "测试成功了啊\n"; $buf = socket_read($msgsock,8192); $talkback = "收到的信息:$buf\n"; echo $talkback; if(++$count >= 5){ break; }; } //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"; $port = 1935; $ip = "127.0.0.1"; /* +------------------------------- * @socket连接整个过程 +------------------------------- * @socket_create * @socket_connect * @socket_write * @socket_read * @socket_close +-------------------------------- */ $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); if ($socket < 0) { echo "socket_create() failed: reason: " . socket_strerror($socket) . "\n"; }else { echo "OK.\n"; } echo "试图连接 '$ip' 端口 '$port'...\n"; $result = socket_connect($socket, $ip, $port); if ($result < 0) { echo "socket_connect() failed.\nReason: ($result) " . socket_strerror($result) . "\n"; }else { echo "连接OK\n"; } $in = "Ho\r\n"; $in .= "first blood\r\n"; $out = ''; if(!socket_write($socket, $in, strlen($in))) { echo "socket_write() failed: reason: " . socket_strerror($socket) . "\n"; }else { echo "发送到服务器信息成功!\n"; echo "发送的内容为:<font color='red'>$in</font> <br>"; } while($out = socket_read($socket, 8192)) { echo "接收服务器回传信息成功!\n"; echo "接受的内容为:",$out; } echo "关闭SOCKET...\n"; socket_close($socket); echo "关闭OK\n"; ?>
server.php需要在cli模式下运行,后续还有更多例子添加
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