Changeset - c72229e67266
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ethanzonca - 16 years ago 2009-08-08 00:18:04

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1 file changed with 4 insertions and 3 deletions:
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src/server/distrend.c
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@@ -127,106 +127,106 @@ int distrend_do()
 
  return 0;
 
}
 
/**
 
   Accepts a client's connection
 
 */
 
void distrend_accept()
 
{
 

	
 
}
 
/**
 
   Frees the action
 
*/
 
void distrend_action_free()
 
{
 

	
 
}
 
/**
 
   Start listening
 
*/
 
void distrend_listen()
 
{
 

	
 
}
 
/**
 
   Stop listening
 
*/
 
void distrend_unlisten()
 
{
 

	
 
}
 
/**
 
   This is probably just a placeholder for remotio
 
*/
 
void remotio_send_to_client()
 
{
 
	// I am futile!
 
}
 
/** Fill variables after crash / shutdown from XML dumps */
 
void start_data(){
 
  if(1 == 0){
 
    // retrieve total_finished_jobs and total_finished_frames from xml file
 
  }
 
  else{
 
    general_info.total_finished_jobs = 0;
 
    general_info.total_frames_rendered = 0;
 
  }
 
}
 

	
 
// **** Finish-Setter: Sets a frame to the "completed" status.
 
/** Finish-Setter: Sets a frame to the "completed" status.*/
 
void finish_frame(struct blendjob *blendjob, int frame){
 
  blendjob->frameset[frame].status = 2;
 
  blendjob->frameset[frame].time_to_render = (clock() - blendjob[jobnum].frameset[frame].start_time); // Consider changing time-to-render to time-for-frame or something?
 

	
 
  general_info.total_frames_rendered++; // Increase total frames var for stats
 
}
 

	
 

	
 
// **** Queuer: Adds files to the queue
 
/** Queuer: Adds files to the queue */
 
void queue(struct blendjob *blendjob, int type, char *name, char *submitter, char *email, int priority, int mode, int spp, struct frameset *frameset) {
 
  // Type: 1 = blender, add more types later
 
  // jobnum is the next available job number
 
  if(type == 1){
 
    blendjob->name = name;
 
    blendjob->submitter = submitter;
 
    blendjob->email = email;
 
    blendjob->priority = priority;
 
    blendjob->frameset = frameset;
 
  }
 
  else{
 
    // Throw error.
 
  }
 
jobnum++; // Advance the jobnumber for the next queued job
 
}
 

	
 

	
 
/**
 
  Status Report Generator:
 
  -figures out how much of the job is done, where jobnum corresponds to the job number
 
  -removes finished jobs
 

	
 
  @param blendjobs_head a pointer to a pointer because the head of the blendjobs linked list may need to be changed by blendjob_remove
 
*/
 
void status_report_generator(struct blendjob **blendjobs_head)
 
{
 
  struct blendjob *blendjob_ptr;
 
  unsigned short workers_working; /*< used to count the total number of workers working */
 
  unsigned int numjobs; /*< used to track number of jobs */
 

	
 
  blendjob_ptr = *blendjobs_head;
 
  workers_working = 0;
 
  numjobs = 0;
 

	
 
  while(blendjob_ptr)
 
    {
 
      if(blendjob_ptr->priority != 0)
 
	/* If the job is not done, scan it */
 
	{
 
	  unsigned int framecounter;  /*< to scan through frames */
 
	  unsigned long finished_frames; /*< variable that counts the completed frames */
 
	  unsigned int pending_frames; /*< variable that counts the assigned frames */
 
	  float percent_frames_finished;  /*< variable that stores the percent done of the blendjob */
 
	  unsigned int total_time;  /*< total time taken to render all the completed frames for a job */
 

	
 
	  framecounter = 0;
 
	  finished_frames = 0;
 
	  pending_frames = 0;
 
@@ -247,190 +247,191 @@ void status_report_generator(struct blen
 
		/* If the frame is assigned */
 
		{
 
		  pending_frames ++;
 
		  workers_working ++;
 
		}
 

	
 
	      framecounter ++;
 
	    } /* while(framecounter < blendjob_ptr->total_frames) */
 

	
 
	  // find the percent of completed frames
 
	  percent_frames_finished = (finished_frames / blendjob_ptr->total_frames) * 100; /*< @LordofWar: extraneous parentheses! */
 

	
 
	  /* updates values in the blendjob struct */
 
	  blendjob_ptr->completed_frames = finished_frames;
 
	  blendjob_ptr->assigned_frames = pending_frames;
 
	  blendjob_ptr->percent_done = percent_frames_finished;
 
	  blendjob_ptr->avg_render_time = (total_time / finished_frames); /*< extraneous parentheses! */
 
	  blendjob_ptr->time_remaining = (blendjob_ptr->avg_render_time * (blendjob_ptr->total_frames - finished_frames)); /*< extraneous parentheses! */
 

	
 
	  if(finished_frames == blendjob_ptr->total_frames)
 
	    /* If all frames are complete */
 
	    {
 
	      blendjob_ptr->priority = 0; /*< set priority to zero to indicate job is complete */
 
	      blendjob_remove(blendjobs_head, blendjob_ptr); /*< remove this job from the linkedlist */
 
	      general_info.total_finished_jobs++; /*< add one to the total finished jobs */
 

	
 
	    }
 
	  else if (finished_frames > blendjob_ptr->total_frames)
 
	    /* just in case ;-) */
 
	    {
 
	      fprintf(stderr, "%s:%d: finished_frames (%lu) > blendjob_ptr->total_frames (%d)",
 
		      __FILE__, __LINE__,
 
		      finished_frames,
 
		      blendjob_ptr->total_frames);
 
	      abort();
 
	    }
 
	}
 

	
 
      general_info.rendering_clients = workers_working; /*< should this be a +=? */
 

	
 
      blendjob_ptr = blendjob_ptr->next; /*< This is the essence of linked lists and iterating through them */
 
      numjobs ++;
 
    } /* while(blendjob_ptr) */
 

	
 
  general_info.jobs_in_queue = (highest_jobnum - general_info.total_finished_jobs); /*< extraneous parentheses! */
 
}
 

	
 

	
 
// **** Structure Builder: This function creates frame array based on the total number of frames to be rendered, which will then be parsed by function frame_farmer.
 
/** Structure Builder: This function creates frame array based on the total number of frames to be rendered, which will then be parsed by function frame_farmer. */
 
void frame_num_struct_builder(struct blendjob *job, unsigned int startframe, unsigned int numframes) {
 
  int jobnum_new = highest_jobnum + 1; /* global vars will someday leave us  */
 
  unsigned int counter;
 

	
 
  job->frameset = malloc(sizeof(struct frameset) * numframes);
 
  if(!job->frameset)
 
    fprintf(stderr, "error allocating memory");
 

	
 
  job->total_frames = numframes; // sets the total number of frames in animation for status purposes
 
  job->jobnum = jobnum_new;
 

	
 
  for(counter = 0; counter < numframes; counter ++)
 
    /* This builds the array, with the array starting at zero and the frameset.num starting at sframe */
 
    job->frameset[counter].num = counter + startframe;
 

	
 
  highest_jobnum++; // After it has created the job, it adds one to the highest_jobnum interger
 
}
 

	
 

	
 

	
 
/**
 
  Frame Finder: matches your computer up with a lovely frame to render
 
  TODO: Major issue here, the client needs to know the frame number, AND the job number!
 
  Notice that this function starts by looking at the oldest job first
 

	
 
	TODO: Link this up with the main() function to check if there are frames available or not and provide jobnum/framenum to the client
 

	
 
  @return 0 success, other: error
 
*/
 
int frame_finder(struct blendjob *head, struct blendjob **job, struct frameset **frame)
 
{
 
  int your_frame;  // your_frame is an integer value that will be given to the client as the frame number to render
 
  // UNUSED: int your_job;	   // @TODO: Fixme: do we need this var? you_job is an integer value that must ALSO be given to the client
 

	
 
  unsigned short int found;
 
  unsigned short int priority;
 

	
 
  struct blendjob *blendjob_ptr;
 

	
 
  found = 0;
 
  while(!found)
 
    {
 
      /* enumerate through priority levels */
 
      for(priority = 10;
 
        priority > 0
 
            && !found;
 
           priority --)
 
	/* Find the job with the highest priority */
 
        for(blendjob_ptr = head;
 
            blendjob_ptr != NULL
 
            && !found;
 
            blendjob_ptr = blendjob_ptr->next)
 
          if(blendjob_ptr->priority == priority)
 
	    found = 1;
 

	
 
      if(!found)
 
        {
 
          fprintf(stderr, "out of jobs to render\n");
 
          return 1;
 
        }
 

	
 
      found = 0;
 
      for(your_frame = 0;
 
        your_frame < blendjob_ptr->total_frames;
 
        your_frame ++)
 
        if(blendjob_ptr->frameset[your_frame].status == 0)
 
          found = 1;
 

	
 
      if(!found)
 
        {
 
          /* there are no frames left in this job */
 
          blendjob_ptr->priority --;
 

	
 
	  /* If that job had no open frames for some reason, run the status report generator so that */
 
          status_report_generator(&head);
 

	
 
          /* should the job be removed now? */
 
          fprintf(stderr, "Job %d is finished, this is probably the place to call the job-removal function\n", blendjob_ptr->jobnum);
 
        }
 
    } /* while(!found) */
 

	
 
  fprintf(stderr, "Missing apostrophe !!!!!!!!!!!!!!\n"); abort();
 
  /* sets the value of the frame to 1, which means its taken !!!!!! MISSSING APOSTROPHE!!!!!!! */
 
  blendjob_ptr->frameset[your_frame].status++;
 

	
 
  blendjob_ptr->frameset[your_frame].start_time = clock();
 

	
 
  *job = blendjob_ptr;
 
  *frame =  &blendjob_ptr->frameset[your_frame];
 

	
 
  return 0;
 
}
 

	
 
/** Checks for dying slaves */
 
void blend_frame_watchdog(struct blendjob *blendjob_head)
 
{
 
  unsigned short int watchdog_forgiveness; /*< seconds to wait on a frame before re-assigning it */
 
  struct blendjob *blendjob_ptr;
 
  unsigned int counter;
 

	
 
  watchdog_forgiveness = 3; /*< hours of forgiveness before frame is re-assigned */
 
  blendjob_ptr = blendjob_head;
 

	
 
  for(blendjob_ptr = blendjob_head; blendjob_ptr; blendjob_ptr = blendjob_ptr->next)
 
    /* iterate through jobs */
 

	
 
    for(counter = 0; counter < blendjob_ptr->total_frames; counter ++)
 
      /* iterate through all frames for this job*/
 
      {
 
        if((blendjob_ptr->frameset[counter].start_time + (watchdog_forgiveness * 3600)) < clock())
 
          /*
 
            If frame is not completed within the number of hours specified by watchdog_forgiveness
 
            Then change the frame status to unassigned
 
           */
 
          blendjob_ptr->frameset[counter].status = 0;
 
      }
 

	
 
}
 

	
 
/**
 
   Finds a blendjob struct based on the jobnum
 
   @arg jobnum job number to search for
 
   @return NULL on job doesn't exist
 
 */
 
struct blendjob *blendjob_get(struct blendjob *head, jobnum_t jobnum)
 
{
 
  struct blendjob *blendjob_ptr;
 

	
 
  /*
 
    The conditions of the for loop will leave blendjob_ptr at NULL if the end of the list is reached. It will leave it pointing to the correct job if it is found.
 
   */
 
  for(blendjob_ptr = head;
 
      blendjob_ptr
 
        && blendjob_ptr->jobnum != jobnum;
 
      blendjob_ptr = blendjob_ptr->next);
 

	
 
  return blendjob_ptr;
 
}
 

	
 

	
 
/**
 
   Removes a blendjob from the blendjob linkelist.
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