trace of irdeal

module AP_MODULE_DECLARE_DATA irdealtest_module;

그리고 아래와 같이 할당 해준다 할당 해줄때 각각의 인자를 보면 첫번째 인자는 모듈의 버전,마이너 버전, 모듈의 인덱스, 모듈의 이름, 핸들, 등등의 값을 정해준다.

module AP_MODULE_DECLARE_DATA irdealtest_module =
{  
        // Only one callback function is provided.  Real
        // modules will need to declare callback functions for
        // server/directory configuration, configuration merging
        // and other tasks.
        STANDARD20_MODULE_STUFF,
        NULL,
        NULL,
        create_irdealtest_config,               /*create irdealtest config*/
        NULL,
        irdeattest_cmds,                        /*for config*/
        mod_irdealtest_register_hooks,          /* callback for registering hooks */
};

/** Use this in all standard modules */
#define STANDARD20_MODULE_STUFF MODULE_MAGIC_NUMBER_MAJOR, \
        MODULE_MAGIC_NUMBER_MINOR, \
-1, \
__FILE__, \
NULL, \
NULL, \
MODULE_MAGIC_COOKIE, \
NULL      /* rewrite args spot */

static const command_rec irdealtest_cmds[] =
{
    AP_INIT_TAKE1 ("IrdealMessage", add_irdealmessage, NULL, RSRC_CONF, "irdeal's message"),

    AP_INIT_TAKE1 ("IrdealDebug", set_debug, NULL, RSRC_CONF, "Set IRDEAL Debug rutine"),
    {NULL}
};

/**    
 * @defgroup ConfigDirectives Allowed locations for configuration directives.    
 * 
 * The allowed locations for a configuration directive are the union of          
 * those indicated by each set bit in the req_override mask.                     
 *
 * @{
 */                                                                              
#define OR_NONE 0             /**< *.conf is not available anywhere in this override */
#define OR_LIMIT 1       /**< *.conf inside <Directory> or <Location>            
                and .htaccess when AllowOverride Limit */                        
#define OR_OPTIONS 2         /**< *.conf anywhere
                                and .htaccess when AllowOverride Options */      
#define OR_FILEINFO 4        /**< *.conf anywhere                                
                and .htaccess when AllowOverride FileInfo */                      
#define OR_AUTHCFG 8         /**< *.conf inside <Directory> or <Location>        
                and .htaccess when AllowOverride AuthConfig */                   
#define OR_INDEXES 16        /**< *.conf anywhere
                and .htaccess when AllowOverride Indexes */                      
#define OR_UNSET 32          /**< unset a directive (in Allow) */                
#define ACCESS_CONF 64       /**< *.conf inside <Directory> or <Location> */     
#define RSRC_CONF 128        /**< *.conf outside <Directory> or <Location> */    
#define EXEC_ON_READ 256     /**< force directive to execute a command           
                which would modify the configuration (like including another     
                file, or IFModule */                                             
/** this directive can be placed anywhere */                                     
#define OR_ALL (OR_LIMIT|OR_OPTIONS|OR_FILEINFO|OR_AUTHCFG|OR_INDEXES)           
                                                                                  
/** @} */

struct command_struct {
    /** Name of this command */
    const char *name;
    /** The function to be called when this directive is parsed */
    cmd_func func;
    /** Extra data, for functions which implement multiple commands... */
    void *cmd_data;
    /** What overrides need to be allowed to enable this command. */
    int req_override;
    /** What the command expects as arguments
     *  @defvar cmd_how args_how*/
    enum cmd_how args_how;
   
    /** 'usage' message, in case of syntax errors */
    const char *errmsg;
}; 

static ap_filter_rec_t *irdealtest_out_filter_handle;
static void mod_irdealtest_register_hooks (apr_pool_t *p)
{   
   
irdealtest_out_filter_handle = ap_register_output_filter("IRDEALFILTER", irdesltest_out_filter, NULL, AP_FTYPE_PROTOCOL + 1);
   

ap_hook_insert_filter(irdealtest_filter_insert, NULL, NULL, APR_HOOK_MIDDLE);

}

static int irdealtest_out_filter(ap_filter_t *f, apr_bucket_brigade *bb)
{                          
    request_rec * r = f->r;
                           
    ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server, "It's in irdealtest_out_filter irdeal's message =====  %s", sconf->irdealmessage);
                         
    return ap_pass_brigade(f->next, bb);
}