还有其他模块类型。 有关完整参考，请参阅 Roxen 1.3 程序员指南，网址为 http://caudium.info/。
有关如何编写容器的示例，请参阅fnord.pike在/Caudium/sources中。 因为位置模块是必须的，所以这里有另一个例子
例 6-6. 一个示例模块。
// It is intended to show a simple example of a location module.
// This module output the result of the who(1) command. It is not meant to
// be really useful since it would be better to do a <who /> tag thus
// having data in the HTML files and code here
// This variable is shown in the configuration interface as the
// version of the module.
string CVS_version = "$Id";
// Tell Caudium that this module is 'thread safe', that is, there is no
// request-specific data in global variables.
int thread_safe=1;
#include <module.h>
inherit "module";
// for the http_string_answer API
inherit "caudiumlib";
// Documentation:
constant module_type = MODULE_LOCATION;
constant module_name = "Who";
constant module_doc = "Send the result of the who(1) command ";
constant module_unique = 1;
// The constructor of this module.
// This function is called each time you/Caudium load the module
void create()
{
defvar("location", "/who", "Mount point", TYPE_LOCATION,
"The mount point of this module");
/* each string have to be on a single
line, don't do: "The mount point of
this module".
You can however do "The mount point of "
"this module";
*/
defvar("path2who", "/usr/bin/who",
"Path to the who command", TYPE_FILE);
defvar("options2who", "-a",
"Options given to who", TYPE_STRING);
defvar("codebeforewho", "<html><body><p>",
"The code to output before who", TYPE_STRING);
defvar("codeafterwho", "</p></body></html>", "The code to output after who",
TYPE_STRING);
}
// This function is called when a user access mount point
// path is the path to the URL he used
// id contains Caudium global variables such as browser name,...
mixed find_file(string path, object id)
{
// get the contents of the CIF. variables path2who and options2who
// and put a single space between it.
string command = QUERY(path2who)+" "+QUERY(options2who);
// this will write the result of command to the debug log file
// very useful for debug
write(sprintf("command=%s\n", command));
string result = Process.popen(command);
// replacing \n by \n<br /> for better output
result = replace(result, "\n","\n<br />");
return http_string_answer(QUERY(codebeforewho)+result+QUERY(codeafterwho));
}
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返回到主虚拟服务器标签，然后选择你的一个服务器。 执行添加模块并选择who模块。 如果你没有 who 模块，请检查你的事件日志。