使用php编写socket服务端程序,不知道为什么读不出socket中的数据,请各位大虾指点,先行谢过 我是想这样实现的,我这里开一个服务器端的程序,它会时时的侦听端口,当有客户端的socket到来时,服务器这头能够监测并且可以把socket里面的数据取出来。测试的时候客户端发送socket到服务器端是成功的,但是服务器这端没有把socket里面的数据取出来。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 客户端那头在发送socket时没有任何错误提示,我想服务器这端的socket的create,bind,listen应该是没有问题的吧?但是其他的我就不知道是不是有错误了。我应该怎样找出这里的错误哪? 刚刚我编写了一个简单的向socket些数据的小程序<?$fp = fsockopen("10.199.162.51", 7779, &$errno, &$errstr, 10);fputs($fp,"picture.jpg");/*while(!feof($fp)) { echo fgets($fp,1024); }*/fclose($fp);?>结果服务端出现如下错误:Warning: socket_recv() unable to read from socket [0]: 操作成功完成。 in d:\phpweb\wap\tsocket.php on line 42socket_read() failed: reason: 功能错误。 我该如何解决?有劳唠叨前辈。 这是我以前测试过的程序,你可参考一下(php4.3.3)Server.php<?php// Server// 设置错误处理error_reporting (E_ALL);// 设置运行时间set_time_limit (0);// 起用缓冲ob_implicit_flush ();$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SOCKETif ($socket) echo "socket_create() successed!\n";else echo "socket_create() failed:".socket_strerror ($socket)."\n";$bind = socket_bind ($socket, $ip, $port); // 绑定一个SOCKETif ($bind) echo "socket_bind() successed!\n";else echo "socket_bind() failed:".socket_strerror ($bind)."\n";$listen = socket_listen ($socket); // 间听SOCKETif ($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?>Client.php<?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$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 创建一个SOCKETif ($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);?> 嗯,我测试了,在客户端发送socket,在服务器端接收到了,并且也echo出来了,但是出现这种错误picture.jpg //此为echo出来的socket值Warning: socket_read() unable to read from socket [10054]: 远程主机强迫关闭了一个现有的连接。 in d:\phpweb\wap\tsocket.php on line 42socket_read() failed: reason: 功能错误。 客户端程序:$fp = fsockopen("10.199.162.51", 7779, &$errno, &$errstr, 10);fputs($fp,"picture.jpg");如果我改成$fp = fsockopen("10.199.162.51", 7779, &$errno, &$errstr, 10);do{fputs($fp,"picture.jpg");}while(true)是没有错误了,但是服务器端就会不停的echo出“picture.jpg”,为什么哪?怎样才能避免这种错误哪? $res=socket_recv($msgsock,&$buf,1024,1);if ($res >= 0) { echo "socket_read() failed: reason: " . socket_strerror($ret) . "\n"; break 2;}---------------i think there is sth wrong.it may be:$res = socket_recv( $msgsock, $buf, 1024, 0 );if ($res < 0) { // print wrong info.} 问题想通了,多谢唠叨前辈的指点,也谢谢 fishchen(小瑜) ,虽然问题并不出在socket_recv( $msgsock, $buf, 1024, 0 );上面,结贴了:) 图片的上传问题 求高手帮忙解答下 php环境 一个MYSQL按条件排序问题,在线等! 请问可不可以通过程序结束一次Session? imageSX和imageXY的用法? 一个关于多表多字段查询的表单问题!急求解决!!!!!!!!!!!(分不够可以再加) 我想写一个php下载文件的程序,为什么实现不了的,高手帮忙啊,急~~ 如何解决用http 方式上传慢的方法! 将数组中某一元素值相同的追加到该数组 利用imagepng()生成的图片怎么同时存贮到服务器端~~?????(急,在线等) 为什么我的session我自动清空?
<?
$fp = fsockopen("10.199.162.51", 7779, &$errno, &$errstr, 10);
fputs($fp,"picture.jpg");
/*
while(!feof($fp))
{
echo fgets($fp,1024);
}
*/
fclose($fp);
?>结果服务端出现如下错误:
Warning: socket_recv() unable to read from socket [0]: 操作成功完成。 in d:\phpweb\wap\tsocket.php on line 42
socket_read() failed: reason: 功能错误。 我该如何解决?有劳唠叨前辈。
Server.php
<?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
?>Client.php
<?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);
?>
但是出现这种错误picture.jpg //此为echo出来的socket值
Warning: socket_read() unable to read from socket [10054]: 远程主机强迫关闭了一个现有的连接。 in d:\phpweb\wap\tsocket.php on line 42
socket_read() failed: reason: 功能错误。
客户端程序:
$fp = fsockopen("10.199.162.51", 7779, &$errno, &$errstr, 10);
fputs($fp,"picture.jpg");如果我改成
$fp = fsockopen("10.199.162.51", 7779, &$errno, &$errstr, 10);
do{
fputs($fp,"picture.jpg");}while(true)
是没有错误了,但是服务器端就会不停的echo出“picture.jpg”,为什么哪?怎样才能避免这种错误哪?
if ($res >= 0) {
echo "socket_read() failed: reason: " . socket_strerror($ret) . "\n";
break 2;
}---------------
i think there is sth wrong.
it may be:$res = socket_recv( $msgsock, $buf, 1024, 0 );
if ($res < 0) {
// print wrong info.
}