服务器发送的事件直到 PHP 脚本执行结束才发送
Server sent events not send until PHP script execution end
我已经成功使用 server sent events 几个月了。突然它停止工作。现在在服务器完成执行之前不会收到任何事件,然后会立即引发所有事件。
由于项目在不断开发中,我从头开始尝试,但没有成功。我的客户端代码是:
<!DOCTYPE html>
<html>
<head>
<title>HTML5 Server-Sent Events</title>
<script type="text/javascript">
window.onload = function()
{
var source = new EventSource("ServerSentEvents.php");
source.onmessage = function(event) {
document.getElementById("result").innerHTML += event.data + "<br>";
};
source.onerror = function(event) {
console.log(event);
};
};
</script>
</head>
<body>
<p>Here we go.</p>
<div id="result">
</div>
</body>
</html>
我的服务器代码是:
<?php
header("Content-Type: text/event-stream");
header("Cache-Control: no-cache");
for ($i = 0; $i < 20; $i++)
{
$time = date('r');
echo "data: The server time is: {$time}\n\n";
ob_flush();
flush();
usleep(500000);
}
?>
我想,我正在使用基本 XAMPP 安装。我没有使用任何第三方库。
以防万一,这是我的 httpd.conf:
ServerRoot "C:/xampp/apache"
Listen 127.0.0.1:80
LoadModule access_compat_module modules/mod_access_compat.so
LoadModule actions_module modules/mod_actions.so
LoadModule alias_module modules/mod_alias.so
LoadModule allowmethods_module modules/mod_allowmethods.so
LoadModule asis_module modules/mod_asis.so
LoadModule auth_basic_module modules/mod_auth_basic.so
LoadModule authn_core_module modules/mod_authn_core.so
LoadModule authn_file_module modules/mod_authn_file.so
LoadModule authz_core_module modules/mod_authz_core.so
LoadModule authz_groupfile_module modules/mod_authz_groupfile.so
LoadModule authz_host_module modules/mod_authz_host.so
LoadModule authz_user_module modules/mod_authz_user.so
LoadModule autoindex_module modules/mod_autoindex.so
LoadModule cgi_module modules/mod_cgi.so
LoadModule dav_lock_module modules/mod_dav_lock.so
LoadModule dir_module modules/mod_dir.so
LoadModule env_module modules/mod_env.so
LoadModule headers_module modules/mod_headers.so
LoadModule include_module modules/mod_include.so
LoadModule info_module modules/mod_info.so
LoadModule isapi_module modules/mod_isapi.so
LoadModule log_config_module modules/mod_log_config.so
LoadModule cache_disk_module modules/mod_cache_disk.so
LoadModule mime_module modules/mod_mime.so
LoadModule negotiation_module modules/mod_negotiation.so
LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
LoadModule rewrite_module modules/mod_rewrite.so
LoadModule setenvif_module modules/mod_setenvif.so
LoadModule socache_shmcb_module modules/mod_socache_shmcb.so
LoadModule ssl_module modules/mod_ssl.so
LoadModule status_module modules/mod_status.so
LoadModule version_module modules/mod_version.so
LoadModule proxy_http_module modules/mod_proxy_http.so
LoadModule deflate_module modules/mod_deflate.so
LoadModule xml2enc_module modules/mod_xml2enc.so
LoadModule proxy_html_module modules/mod_proxy_html.so
<IfModule unixd_module>
User daemon
Group daemon
</IfModule>
ServerAdmin postmaster@localhost
ServerName localhost:80
<Directory />
AllowOverride none
Require all denied
</Directory>
DocumentRoot "d:/Data/WWW/"
<Directory "d:/Data/WWW/">
Options Indexes FollowSymLinks Includes ExecCGI
AllowOverride All
Require all granted
</Directory>
<IfModule dir_module>
DirectoryIndex index.php index.pl index.cgi index.asp index.shtml index.html index.htm \
default.php default.pl default.cgi default.asp default.shtml default.html default.htm \
home.php home.pl home.cgi home.asp home.shtml home.html home.htm
</IfModule>
<Files ".ht*">
Require all denied
</Files>
ErrorLog "logs/error.log"
LogLevel warn
<IfModule log_config_module>
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "%h %l %u %t \"%r\" %>s %b" common
<IfModule logio_module>
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O" combinedio
</IfModule>
CustomLog "logs/access.log" combined
</IfModule>
<IfModule alias_module>
ScriptAlias /cgi-bin/ "C:/xampp/cgi-bin/"
</IfModule>
<IfModule cgid_module>
</IfModule>
<Directory "C:/xampp/cgi-bin">
AllowOverride All
Options None
Require all granted
</Directory>
<IfModule mime_module>
TypesConfig conf/mime.types
AddType application/x-compress .Z
AddType application/x-gzip .gz .tgz
AddHandler cgi-script .cgi .pl .asp
AddType text/html .shtml
AddOutputFilter INCLUDES .shtml
</IfModule>
<IfModule mime_magic_module>
MIMEMagicFile "conf/magic"
</IfModule>
Include conf/extra/httpd-mpm.conf
Include conf/extra/httpd-multilang-errordoc.conf
Include conf/extra/httpd-autoindex.conf
Include conf/extra/httpd-languages.conf
Include conf/extra/httpd-userdir.conf
Include conf/extra/httpd-info.conf
Include conf/extra/httpd-vhosts.conf
Include "conf/extra/httpd-proxy.conf"
Include "conf/extra/httpd-default.conf"
Include "conf/extra/httpd-xampp.conf"
<IfModule proxy_html_module>
Include conf/extra/proxy-html.conf
</IfModule>
Include conf/extra/httpd-ssl.conf
#
<IfModule ssl_module>
SSLRandomSeed startup builtin
SSLRandomSeed connect builtin
</IfModule>
AcceptFilter http none
<IfModule mod_proxy.c>
<IfModule mod_proxy_ajp.c>
Include "conf/extra/httpd-ajp.conf"
</IfModule>
</IfModule>
谢谢。
我几乎不敢相信。白白测试一天,大喊大叫心情极差
只能怪一件事(或程序)。几天前我安装的防病毒软件 (BitDefender 2015),当时我的儿子感染了 Locker 病毒。
我试过把网页加入白名单,没办法,试过关掉,没办法,最后卸载了,还好。
我在这里发帖是为了让遇到同样问题的人头疼不已。
我的问题原来是我的防病毒软件 - BitDefender Internet Security 2015。
升级到 BitDefender 2017 解决了这个问题...
我已经成功使用 server sent events 几个月了。突然它停止工作。现在在服务器完成执行之前不会收到任何事件,然后会立即引发所有事件。
由于项目在不断开发中,我从头开始尝试,但没有成功。我的客户端代码是:
<!DOCTYPE html>
<html>
<head>
<title>HTML5 Server-Sent Events</title>
<script type="text/javascript">
window.onload = function()
{
var source = new EventSource("ServerSentEvents.php");
source.onmessage = function(event) {
document.getElementById("result").innerHTML += event.data + "<br>";
};
source.onerror = function(event) {
console.log(event);
};
};
</script>
</head>
<body>
<p>Here we go.</p>
<div id="result">
</div>
</body>
</html>
我的服务器代码是:
<?php
header("Content-Type: text/event-stream");
header("Cache-Control: no-cache");
for ($i = 0; $i < 20; $i++)
{
$time = date('r');
echo "data: The server time is: {$time}\n\n";
ob_flush();
flush();
usleep(500000);
}
?>
我想,我正在使用基本 XAMPP 安装。我没有使用任何第三方库。
以防万一,这是我的 httpd.conf:
ServerRoot "C:/xampp/apache"
Listen 127.0.0.1:80
LoadModule access_compat_module modules/mod_access_compat.so
LoadModule actions_module modules/mod_actions.so
LoadModule alias_module modules/mod_alias.so
LoadModule allowmethods_module modules/mod_allowmethods.so
LoadModule asis_module modules/mod_asis.so
LoadModule auth_basic_module modules/mod_auth_basic.so
LoadModule authn_core_module modules/mod_authn_core.so
LoadModule authn_file_module modules/mod_authn_file.so
LoadModule authz_core_module modules/mod_authz_core.so
LoadModule authz_groupfile_module modules/mod_authz_groupfile.so
LoadModule authz_host_module modules/mod_authz_host.so
LoadModule authz_user_module modules/mod_authz_user.so
LoadModule autoindex_module modules/mod_autoindex.so
LoadModule cgi_module modules/mod_cgi.so
LoadModule dav_lock_module modules/mod_dav_lock.so
LoadModule dir_module modules/mod_dir.so
LoadModule env_module modules/mod_env.so
LoadModule headers_module modules/mod_headers.so
LoadModule include_module modules/mod_include.so
LoadModule info_module modules/mod_info.so
LoadModule isapi_module modules/mod_isapi.so
LoadModule log_config_module modules/mod_log_config.so
LoadModule cache_disk_module modules/mod_cache_disk.so
LoadModule mime_module modules/mod_mime.so
LoadModule negotiation_module modules/mod_negotiation.so
LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
LoadModule rewrite_module modules/mod_rewrite.so
LoadModule setenvif_module modules/mod_setenvif.so
LoadModule socache_shmcb_module modules/mod_socache_shmcb.so
LoadModule ssl_module modules/mod_ssl.so
LoadModule status_module modules/mod_status.so
LoadModule version_module modules/mod_version.so
LoadModule proxy_http_module modules/mod_proxy_http.so
LoadModule deflate_module modules/mod_deflate.so
LoadModule xml2enc_module modules/mod_xml2enc.so
LoadModule proxy_html_module modules/mod_proxy_html.so
<IfModule unixd_module>
User daemon
Group daemon
</IfModule>
ServerAdmin postmaster@localhost
ServerName localhost:80
<Directory />
AllowOverride none
Require all denied
</Directory>
DocumentRoot "d:/Data/WWW/"
<Directory "d:/Data/WWW/">
Options Indexes FollowSymLinks Includes ExecCGI
AllowOverride All
Require all granted
</Directory>
<IfModule dir_module>
DirectoryIndex index.php index.pl index.cgi index.asp index.shtml index.html index.htm \
default.php default.pl default.cgi default.asp default.shtml default.html default.htm \
home.php home.pl home.cgi home.asp home.shtml home.html home.htm
</IfModule>
<Files ".ht*">
Require all denied
</Files>
ErrorLog "logs/error.log"
LogLevel warn
<IfModule log_config_module>
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "%h %l %u %t \"%r\" %>s %b" common
<IfModule logio_module>
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O" combinedio
</IfModule>
CustomLog "logs/access.log" combined
</IfModule>
<IfModule alias_module>
ScriptAlias /cgi-bin/ "C:/xampp/cgi-bin/"
</IfModule>
<IfModule cgid_module>
</IfModule>
<Directory "C:/xampp/cgi-bin">
AllowOverride All
Options None
Require all granted
</Directory>
<IfModule mime_module>
TypesConfig conf/mime.types
AddType application/x-compress .Z
AddType application/x-gzip .gz .tgz
AddHandler cgi-script .cgi .pl .asp
AddType text/html .shtml
AddOutputFilter INCLUDES .shtml
</IfModule>
<IfModule mime_magic_module>
MIMEMagicFile "conf/magic"
</IfModule>
Include conf/extra/httpd-mpm.conf
Include conf/extra/httpd-multilang-errordoc.conf
Include conf/extra/httpd-autoindex.conf
Include conf/extra/httpd-languages.conf
Include conf/extra/httpd-userdir.conf
Include conf/extra/httpd-info.conf
Include conf/extra/httpd-vhosts.conf
Include "conf/extra/httpd-proxy.conf"
Include "conf/extra/httpd-default.conf"
Include "conf/extra/httpd-xampp.conf"
<IfModule proxy_html_module>
Include conf/extra/proxy-html.conf
</IfModule>
Include conf/extra/httpd-ssl.conf
#
<IfModule ssl_module>
SSLRandomSeed startup builtin
SSLRandomSeed connect builtin
</IfModule>
AcceptFilter http none
<IfModule mod_proxy.c>
<IfModule mod_proxy_ajp.c>
Include "conf/extra/httpd-ajp.conf"
</IfModule>
</IfModule>
谢谢。
我几乎不敢相信。白白测试一天,大喊大叫心情极差
只能怪一件事(或程序)。几天前我安装的防病毒软件 (BitDefender 2015),当时我的儿子感染了 Locker 病毒。
我试过把网页加入白名单,没办法,试过关掉,没办法,最后卸载了,还好。
我在这里发帖是为了让遇到同样问题的人头疼不已。
我的问题原来是我的防病毒软件 - BitDefender Internet Security 2015。 升级到 BitDefender 2017 解决了这个问题...