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Posted to dev@tomcat.apache.org by co...@apache.org on 2002/01/12 06:01:15 UTC

cvs commit: jakarta-tomcat-connectors/jk/native2/common jk_worker_run.c

costin      02/01/11 21:01:15

  Added:       jk/native2/common jk_worker_run.c
  Log:
  Initial template for run worker. This will start a java process ( it'll be the
  'startup' part of the jni worker ).
  
  Revision  Changes    Path
  1.1                  jakarta-tomcat-connectors/jk/native2/common/jk_worker_run.c
  
  Index: jk_worker_run.c
  ===================================================================
  /* ========================================================================= *
   *                                                                           *
   *                 The Apache Software License,  Version 1.1                 *
   *                                                                           *
   *          Copyright (c) 1999-2001 The Apache Software Foundation.          *
   *                           All rights reserved.                            *
   *                                                                           *
   * ========================================================================= *
   *                                                                           *
   * 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:                             *
   *                                                                           *
   *       "This product includes  software developed  by the Apache  Software *
   *        Foundation <http://www.apache.org/>."                              *
   *                                                                           *
   *    Alternately, this acknowlegement may appear in the software itself, if *
   *    and wherever such third-party acknowlegements normally appear.         *
   *                                                                           *
   * 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 <ap...@apache.org>.                        *
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   * 5. Products derived from this software may not be called "Apache" nor may *
   *    "Apache" appear in their names without prior written permission of the *
   *    Apache Software Foundation.                                            *
   *                                                                           *
   * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES *
   * INCLUDING, BUT NOT LIMITED TO,  THE IMPLIED WARRANTIES OF MERCHANTABILITY *
   * AND FITNESS FOR  A PARTICULAR PURPOSE  ARE DISCLAIMED.  IN NO EVENT SHALL *
   * THE APACHE  SOFTWARE  FOUNDATION OR  ITS CONTRIBUTORS  BE LIABLE  FOR ANY *
   * DIRECT,  INDIRECT,   INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR  CONSEQUENTIAL *
   * DAMAGES (INCLUDING,  BUT NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE GOODS *
   * OR SERVICES;  LOSS OF USE,  DATA,  OR PROFITS;  OR BUSINESS INTERRUPTION) *
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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/>.   *
   *                                                                           *
   * ========================================================================= */
  
  /**
   * Run worker. It'll execute a process and monitor it. Derived from 
   * the good old jserv.
   *
   * 
   *
   * @author Costin Manolache
   */
  
  #include "jk_pool.h"
  #include "jk_service.h"
  #include "jk_worker.h"
  #include "jk_logger.h"
  #include "jk_env.h"
  #include "jk_requtil.h"
  #include "jk_registry.h"
  
  static int JK_METHOD service(jk_env_t *env, jk_endpoint_t *e, 
                               jk_ws_service_t *s,
                               int *is_recoverable_error)
  {
      /* I should display a status page for the monitored processes
       */
      env->l->jkLog(env, env->l, JK_LOG_INFO, "run.service()\n");
  
      /* Generate the header */
      s->status=500;
      s->msg="Not supported";
      s->headers_out->put(env, s->headers_out,
                          "Content-Type", "text/html", NULL);
  
      s->head(env, s );
  
      s->afterRequest( env, s);
      return JK_TRUE;
  
  }
  
  static int JK_METHOD done(jk_env_t *env, jk_endpoint_t *e)
  {
      return JK_TRUE;
  }
  
  static int JK_METHOD validate(jk_env_t *env, jk_worker_t *_this,
                                jk_map_t *props, jk_workerEnv_t *we)
  {
      return JK_TRUE;
  }
  
  static int JK_METHOD init(jk_env_t *env, jk_worker_t *_this,
                            jk_map_t *props, jk_workerEnv_t *we)
  {
      return JK_TRUE;
  }
  
  static int JK_METHOD get_endpoint(jk_env_t *env, jk_worker_t *_this,
                                    jk_endpoint_t **pend)
  {
      jk_endpoint_t *e;
      jk_pool_t *endpointPool;
      
      if (_this->endpointCache != NULL ) {
          e=_this->endpointCache->get( env, _this->endpointCache );
          if (e!=NULL) {
              env->l->jkLog(env, env->l, JK_LOG_INFO,
                       "run.getEndpoint(): Reusing endpoint\n");
              *pend = e;
              return JK_TRUE;
          }
      }
      
      endpointPool=_this->pool->create( env, _this->pool, HUGE_POOL_SIZE);
      
      e = (jk_endpoint_t *)endpointPool->calloc(env, endpointPool,
                                                sizeof(jk_endpoint_t));
      if(e==NULL) {
          env->l->jkLog(env, env->l, JK_LOG_ERROR, 
                        "run_worker.getEndpoint() OutOfMemoryException\n");
          return JK_FALSE;
      }
  
      e->pool = endpointPool;
      e->cPool=endpointPool->create( env,endpointPool, HUGE_POOL_SIZE );
      e->worker = _this;
      e->service = service;
      e->done = done;
      e->channelData = NULL;
      *pend = e;
  
      env->l->jkLog(env, env->l, JK_LOG_INFO, "run_worker.getEndpoint() %p\n", e);
      return JK_TRUE;
  }
  
  
  static int JK_METHOD destroy(jk_env_t *env, jk_worker_t *w)
  {
      int i = 0;
  
      if(w==NULL ) {
          env->l->jkLog(env, env->l, JK_LOG_ERROR,
                        "run_worker.destroy() NullPointerException\n");
          return JK_FALSE;
      }
  
      if( w->endpointCache != NULL ) {
          for( i=0; i< w->endpointCache->ep_cache_sz; i++ ) {
              jk_endpoint_t *e;
              
              e= w->endpointCache->get( env, w->endpointCache );
              if( e==NULL ) {
                  // we finished all endpoints in the cache
                  break;
              }
  
              /* Nothing else to clean up ? */
              e->cPool->close( env, e->cPool );
              e->pool->close( env, e->pool );
          }
          w->endpointCache->destroy( env, w->endpointCache );
  
          env->l->jkLog(env, env->l, JK_LOG_DEBUG,
                        "run.destroy() closed %d cached endpoints\n",i);
      }
  
      w->pool->close(env, w->pool);    
  
      return JK_TRUE;
  }
  
  
  int JK_METHOD jk_worker_run_factory(jk_env_t *env, jk_pool_t *pool,
                                         void **result,
                                         const char *type, const char *name)
  {
      jk_worker_t *_this;
      
      if(NULL == name ) {
          env->l->jkLog(env, env->l, JK_LOG_ERROR,
                        "run_worker.factory() NullPointerException\n");
          return JK_FALSE;
      }
      
      _this = (jk_worker_t *)pool->calloc(env, pool, sizeof(jk_worker_t));
  
      if(_this==NULL) {
          env->l->jkLog(env, env->l, JK_LOG_ERROR,
                        "run_worker.factory() OutOfMemoryException\n");
          return JK_FALSE;
      }
  
      _this->name=(char *)name;
      _this->pool=pool;
  
      _this->lb_workers = NULL;
      _this->num_of_workers = 0;
      _this->worker_private = NULL;
      _this->validate       = validate;
      _this->init           = init;
      _this->get_endpoint   = get_endpoint;
      _this->destroy        = destroy;
      
      *result=_this;
  
      return JK_TRUE;
  }
  
  
  
  

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