mod_jk2.c

Tomcat 4.1与WebServer集成组件的源代码包.

/* ========================================================================= *
 *                                                                           *
 *                 The Apache Software License,  Version 1.1                 *
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 *          Copyright (c) 1999-2002 The Apache Software Foundation.          *
 *                           All rights reserved.                            *
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 * ========================================================================= *
 *                                                                           *
 * Redistribution and use in source and binary forms,  with or without modi- *
 * fication, are permitted provided that the following conditions are met:   *
 *                                                                           *
 * 1. Redistributions of source code  must retain the above copyright notice *
 *    notice, this list of conditions and the following disclaimer.          *
 *                                                                           *
 * 2. Redistributions  in binary  form  must  reproduce the  above copyright *
 *    notice,  this list of conditions  and the following  disclaimer in the *
 *    documentation and/or other materials provided with the distribution.   *
 *                                                                           *
 * 3. The end-user documentation  included with the redistribution,  if any, *
 *    must include the following acknowlegement:                             *
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 *       "This product includes  software developed  by the Apache  Software *
 *        Foundation <http://www.apache.org/>."                              *
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 *    Alternately, this acknowlegement may appear in the software itself, if *
 *    and wherever such third-party acknowlegements normally appear.         *
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 * 4. The names  "The  Jakarta  Project",  "Jk",  and  "Apache  Software     *
 *    Foundation"  must not be used  to endorse or promote  products derived *
 *    from this  software without  prior  written  permission.  For  written *
 *    permission, please contact <[e-mail]>.                        *
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 * 5. Products derived from this software may not be called "Apache" nor may *
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 *    Apache Software Foundation.                                            *
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 * INCLUDING, BUT NOT LIMITED TO,  THE IMPLIED WARRANTIES OF MERCHANTABILITY *
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 * ANY  WAY  OUT OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF  ADVISED  OF THE *
 * POSSIBILITY OF SUCH DAMAGE.                                               *
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 * ========================================================================= *
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 * This software  consists of voluntary  contributions made  by many indivi- *
 * duals on behalf of the  Apache Software Foundation.  For more information *
 * on the Apache Software Foundation, please see <http://www.apache.org/>.   *
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/***************************************************************************
 * Description: Apache 1.3 plugin for Jakarta/Tomcat                         *
 * Author:      Gal Shachor <[e-mail]>                           *
 *                 Henri Gomez <[e-mail]>                               *
 * Version:     $Revision: 1.25 $                                           *
 ***************************************************************************/

/*
 * mod_jk: keeps all servlet/jakarta related ramblings together.
 */
#include "httpd.h"
#include "http_config.h"
#include "http_request.h"
#include "http_core.h"
#include "http_protocol.h"
#include "http_main.h"
#include "http_log.h"
#include "util_script.h"
#include "http_conf_globals.h"

/*
 * Jakarta (jk_) include files
 */
#include "jk_global.h"
#include "jk_map.h"
#include "jk_pool.h"
#include "jk_env.h"
#include "jk_service.h"
#include "jk_worker.h"
#include "jk_workerEnv.h"
#include "jk_uriMap.h"
#include "jk_requtil.h"

#ifdef WIN32
static char  file_name[_MAX_PATH];
#endif


#define JK_HANDLER          ("jakarta-servlet2")
#define JK_MAGIC_TYPE       ("application/x-jakarta-servlet2")

module MODULE_VAR_EXPORT jk2_module;

int jk2_service_apache13_init(jk_env_t *env, jk_ws_service_t *s);


/* In apache1.3 this is reset when the module is reloaded ( after
 * config. No good way to discover if it's the first time or not.
 */
static jk_workerEnv_t *workerEnv;

/* ==================== Options setters ==================== */

/*
 * JkSet name value
 *
 * Set jk options. Same as using workers.properties or a
 * config application.
 *
 * Known properties: see workers.properties documentation
 *
 * XXX Shouldn't abuse it, there is no way to write back
 * the properties.
 */
static const char *jk2_set2(cmd_parms *cmd, void *per_dir,
                            const char *name,  char *value)
{
    server_rec *s = cmd->server;
    jk_uriEnv_t *serverEnv=(jk_uriEnv_t *)
        ap_get_module_config(s->module_config, &jk2_module);
    jk_env_t *env=workerEnv->globalEnv;
    int rc;
    
    rc=workerEnv->config->setPropertyString( env, workerEnv->config, (char *)name, value );
    if( rc!=JK_OK ) {
        fprintf( stderr, "mod_jk2: Unrecognized option %s %s\n", name, value);
    }

    return NULL;
}

#ifdef HAS_APR
apr_pool_t *jk_globalPool;
#endif

/* Create the initial set of objects. You need to cut&paste this and
   adapt to your server.
 */
static int jk2_create_workerEnv(ap_pool *p, const server_rec *s)
{
    jk_env_t *env;
    jk_pool_t *globalPool;
    jk_bean_t *jkb;

#ifdef HAS_APR
	apr_initialize();
    apr_pool_create( &jk_globalPool, NULL );

    jk2_pool_apr_create( NULL, &globalPool, NULL, jk_globalPool );
#else
    /** First create a pool. We use the default ( jk ) pool impl,
     *  other choices are apr or native.
     */
    jk2_pool_create( NULL, &globalPool, NULL, 2048 );
#endif
    
    /** Create the global environment. This will register the default
        factories, to be overriten later.
    */
    env=jk2_env_getEnv( NULL, globalPool );

    /* Optional. Register more factories ( or replace existing ones )
       Insert your server-specific objects here.
    */

    /* Create the logger . We use the default jk logger, will output
       to a file. Check the logger for default settings.
    */
    jkb=env->createBean2( env, env->globalPool, "logger.file", "");
    env->alias( env, "logger.file:", "logger");
    env->alias( env, "logger.file:", "logger:"); 
    if( jkb==NULL ) {
        fprintf(stderr, "Error creating logger ");
        return JK_ERR;
    }
    env->l=jkb->object;
    env->alias( env, "logger.file:", "logger");
    
    /* Create the workerEnv
     */
    jkb=env->createBean2( env, env->globalPool,"workerEnv", "");
    if( jkb==NULL ) {
        fprintf(stderr, "Error creating workerEnv ");
        return JK_ERR;
    }
    workerEnv= jkb->object;
    env->alias( env, "workerEnv:", "workerEnv");

    if( workerEnv==NULL || env->l == NULL  ) {
        fprintf( stderr, "Error initializing jk, NULL objects \n");
        return JK_ERR;
    }

    /* serverRoot via ap_server_root
     */
    workerEnv->initData->add( env, workerEnv->initData, "serverRoot",
                             workerEnv->pool->pstrdup( env, workerEnv->pool, ap_server_root));

                             /* Local initialization.
     */
    env->l->jkLog(env, env->l, JK_LOG_INFO, "Set serverRoot %s\n", ap_server_root); 

    workerEnv->_private = (void *)s;

    return JK_OK;
}


/* -------------------- Apache specific initialization -------------------- */

/* Command table.
 */
static const command_rec jk2_cmds[] =
    {
        /* This is the 'main' directive for tunning jk2. It takes 2 parameters,
           and it behaves _identically_ as a setting in workers.properties.
        */
        { "JkSet", jk2_set2, NULL, RSRC_CONF, TAKE2,
          "Set a jk property, same syntax and rules as in JkWorkersFile" },
        NULL
    };

/** Create default jk_config.
    This is the first thing called by apache ( or should be )
 */
static void *jk2_create_config(ap_pool *p, server_rec *s)
{
    jk_uriEnv_t *newUri;
    jk_bean_t *jkb;

    if(  workerEnv==NULL ) {
        jk2_create_workerEnv(p, s );
    }
    if( s->is_virtual == 1 ) {
        /* Virtual host */
        fprintf( stderr, "Create config for virtual host\n");
    } else {
        /* Default host */
        fprintf( stderr, "Create config for main host\n");
    }

    jkb=workerEnv->globalEnv->createBean2( workerEnv->globalEnv,
                                           workerEnv->pool,
                                           "uri", "" );
    newUri = jkb->object;
    newUri->workerEnv=workerEnv;
    return newUri;
}



/** Standard apache callback, merge jk options specified in 
    <Host> context. Used to set per virtual host configs
 */
static void *jk2_merge_config(ap_pool *p, 
                              void *basev,