DistRen Changeset - 1f986f0a72d1 · protofusion repositories

Changeset - 1f986f0a72d1

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Nathan Brink (binki) - 16 years ago 2009-07-24 20:30:00
ohnobinki@ohnopublishing.net

struct blendjob*-ized frame_finder()

1 file changed with 56 insertions and 35 deletions:

src/server/distrend.c

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src/server/distrend.c

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@@ @@ -103,431 +103,452 @@ struct blendjob { @@
   char *submitter;
   char *email;
   jobnum_t jobnum;
   int priority;  // 1 is lowest, 10 is highest, 0 means the job is done
   int percent_done;
   int completed_frames; // number of completed frames for stats/etc
   int assigned_frames; // number of assigned frames (that are not yet completed) for stats/etc
   int total_frames; // how many frames are in the animation for stats/etc (unassigned frames)
   int avg_render_time; // average seconds it took to render a frame
   unsigned int time_remaining; // estimated seconds remaining till render is complete (up to 49, 710 days)
 							   // we can have the client computer convert it into days, hours, etc if they wish to view it
   struct frameset *frameset;
 };
 // Frameset Structure
 struct frameset {
 	int frame_num; // frame number to render
 	char slave_name; // user that frame is assigned to
 	int frame_status; // status of frame, 0= unassigned, 1= taken, 2= done
 	clock_t start_time; // time the frame was started
 	int time_to_render; // the total seconds it took to render the frame
 } frameset[]; // Frameset array is generated by status_report_generator function
                          // Using this method to save memory, because if animation starts on a high frame number, it would waste a lot of RAM on empty structures
 /*
   internally defined funcs's prototypes
 */
 void status_report_generator(struct blendjob **blendjobs_head);
 void blendjob_remove(struct blendjob **head, struct blendjob *bj);
 struct blendjob *blendjob_get(struct blendjob *head, jobnum_t jobnum);
 /* Global Vars, try to cut down on these */
 jobnum_t jobnum = 0; // The next job number to create in the queue
 int hcfjob; // Highest consecutively finished job
 int highest_jobnum; // The job number of the most recently created job, this is used when creating new jobs
 /* ********************** Functions ************************* */
 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.
 void finish_frame(struct blendjob *blendjob, int frame){
   blendjob->frameset[frame].frame_status = 2;
   blendjob->frameset[frame].time_to_render = (clock() - blendjob[jobnum].frameset[frame].start_time); // Consider changin 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
 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
   blendjobs_head is 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;
 	  percent_frames_finished = 0;
 	  total_time = 0;
 	  while(framecounter < blendjob_ptr->total_frames)
 	    /* scans through frames, based on their status it runs a statement(s) */
+	    {
 	      if(blendjob_ptr->frameset[framecounter].frame_status == 2)
 		/* If the frame is done */
+		{
 		  finished_frames ++;
 		  total_time += blendjob_ptr->frameset[framecounter].time_to_render;
+		}
 	      if(blendjob_ptr->frameset[framecounter].frame_status == 1)
 		/* 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.
 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 frame_num starting at sframe */
 	  job->frameset[counter].frame_num = counter + startframe;
 	highest_jobnum++; // After it has created the job, it adds one to the highest_jobnum interger
+}
 // Frame Assigner: matches your computer up with a lovely frame to render
 // Major issue here, the client needs to know the frame number, AND the job number!
 int frame_finder(){
 	int your_frame = 0;  // your_frame is an interger value that will be given to the client as the frame number to render
 	int finder_jobnum = 0;
 	int frameset_count = 0; // the frameset number, note* frames in an animation don't start at zero
 	short int done = 0;
 	short int priority = 10;
 /**
   Frame Finder: matches your computer up with a lovely frame to render
   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
   @return 0 success, other: error
 */
 int frame_finder(struct blendjob *head, struct blendjob **job, struct frameset **frame)
+{
   int your_frame;  // your_frame is an interger value that will be given to the client as the frame number to render
   unsigned short int found;
   unsigned short int priority;
   struct blendjob *blendjob_ptr;
 	while(priority >= 1){ // start the scan for the next job with the highest priority, decreases priority before it loops
 		finder_jobnum = hcfjob + 1; // reset it to start scanning at first uncompleted job for the pass at each priority level
   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;
 		while(finder_jobnum <= highest_jobnum){  // This keeps increasing the finder_jobnum until it is higher than the highest_jobnum
 			if(blendjob[finder_jobnum].priority == priority){  // looks for a job with the current priority value
 				done = 1;									  // notice it starts by looking at the oldest job first
 				break;
       if(!found)
+	{
 	  fprintf(stderr, "out of jobs to render\n");
 	  return 1;
+			}
 			if((done) == 1)  // If it has found a job with the current priority value, it will break out of the loop
 				break;    // If none is found it goes to the next job to see if it is of the current priority value
 			else
 				finder_jobnum++;
 		} // End of increasing finder_jobnum
       found = 0;
       for(your_frame = 0;
 	  your_frame < blendjob_ptr->total_frames;
 	  your_frame ++)
 	if(blendjob_ptr->frameset[your_frame].frame_status == 0)
 	  found = 1;
 		if(done == 1) // if job has been found, it lets it out of the priority changer loop
 			break;
       if(!found)
+	{
 	  /* there are no frames left in this job */
 	  blendjob_ptr->priority --;
 		priority--; // end of decreasing priority
+	}
 	  /* If that job had no open frames for some reason, run the status report generator so that */
 	  status_report_generator(&head);
 	while(your_frame < blendjob[finder_jobnum].total_frames){ // Finds the frameset number with a frame that needs to be rendered
 		if (blendjob[finder_jobnum].frameset[frameset_count].frame_status == 0)  // If frame that is not assigned has been found, frameset_count is not changed
 			break;																// and frameset_count is used to give the frame number later in this funciton
 		frameset_count++;  // If frame is assigned or done, it goes to next frame
 	  /* 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);
+	}
 blendjob[jobnum].frameset[frameset_count].frame_status++; // sets the value of the frame to 2, which means its taken
     } /* while(!found) */
 your_frame = blendjob[jobnum].frameset[frameset_count].frame_num; //  Takes the frameset found in the while statement above, and extracts the frame number from it and assigns it to the int your_frame
   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].frame_status++;
 if(your_frame == 0)  // If that job had no open frames for some reason, run the status report generator so that
 	status_report_generator(blendjobs_head);  //the job priority can be changed to 0
   blendjob_ptr->frameset[your_frame].start_time = clock();
 blendjob[jobnum].frameset[frameset_count].start_time = clock();
   *job = blendjob_ptr;
   *frame =  &blendjob_ptr->frameset[your_frame];
-return your_frame; // your_frame is returned as the frame to be rendered
+  return 0;
+}
 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].frame_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.
    @arg head a double pointer. the head pointer will have to be changed if blendjob == *head. Thus, make sure that the pointer points to the pointer to the head that all functions use. (I'm going to come back to this and misunderstand myself ;-))
  */
 void blendjob_remove(struct blendjob **head, struct blendjob *bj)
+{
   struct blendjob *previous_blendjob;
   if(bj == *head)
     *head = bj->next;
   else
+    {
       for(previous_blendjob = *head;
 	  previous_blendjob
 	    && previous_blendjob->next != bj; /*< stop on the blendjob that comes before bj */
 	  previous_blendjob = previous_blendjob->next)
 	/* all of the action is in the definition of the for loop itself */;
       /*
 	This removes references to bj from the linked list. I.E., we now skip bj when iterating through the list
        */
       previous_blendjob->next = bj->next;
+    }
   /*
      @lordofwar: the magic deallocation of memory ;-)
    */
   free(bj);
+}
 /* ************************** Main ************************* */
 int main(int argc, char *argv[])
+{
 //// Begin Getopt Sample, EDITME!Sometime
 		   int aflag = 0;
 	       int bflag = 0;
 	       char *cvalue = NULL;
 	       int index;
 	       int c;
 	       opterr = 0;
 	       while ((c = getopt (argc, argv, "abc:")) != -1)
 	         switch (c)
+	           {
 	           case 'a':
 	             aflag = 1;
 	             break;
 	           case 'b':
 	             bflag = 1;
 	             break;
 	           case 'c':
 	             cvalue = optarg;
 	             break;
 	           case '?':
 	             if (optopt == 'c')
 	               fprintf (stderr, "Option -%c requires an argument.\n", optopt);
 	             else if (isprint (optopt))
 	               fprintf (stderr, "Unknown option `-%c'.\n", optopt);
 	             else
 	               fprintf (stderr,
 	                        "Unknown option character `\\x%x'.\n",
 	                        optopt);
 	             return 1;
 	           default:
 	             abort ();
+	           }
 	       printf ("aflag = %d, bflag = %d, cvalue = %s\n",
 	               aflag, bflag, cvalue);
 	       for (index = optind; index < argc; index++)
 	         printf ("Non-option argument %s\n", argv[index]);
 //// End getopt sample
 // Just wrote this to try and piece everything together after writing it on paper :D --ethanzonca
 ///////////////////// Semi-pseudo-code for server //////////////////////////////////////////
 /*
 start_data();
 status_report_generator();
 blend_frame_watchdog();
 	if(client says "i ain't got nuthin to render!"){
 		frame_finder() ==> returns jobnum/framenum that are sent to slave, "render jobnum framenum"
+	}
 	if(client says "done with frame # in job #"){
 		finish_frame(jobnum, frame);
 		frame_finder() ==> returns jobnum/framenum that are sent to slave, "render jobnum framenum"
+	}
 */
 ///////////////////////////////////////////////////////////////////////////////////////
 // Begin non-working framework?
 	int distrend_do_config(int argc, char *argv[], struct distrend_config *config)
+	{
 	  cfg_opt_t myopts_listen[] =
+	    {
 	      CFG_SIMPLE_STR("type", NULL),
 	      CFG_SIMPLE_STR("path", NULL),
 	      CFG_SIMPLE_INT("port", NULL),
 	      CFG_END()
 	  };
 	  cfg_opt_t myopts[] =
+	    {
 	      CFG_SEC("listen",  /* this must be imported into struct listens (which must still be declared) */
 		      myopts_listen
+		      ,
 		      CFGF_MULTI),
 	      CFG_END()
 	    };
 	  config = malloc(sizeof(struct distrend_config));
 	  options_init(argc, argv, &config->mycfg, myopts, "server", &config->options);
 	  return 0;
+	}
 	int distrend_config_free(struct distrend_config *config)
+	{
 	  options_free(config->options);
 	  free(config);
 	  return 0;
+	}
 // End non-working framework?
   int cont = 1;
   struct distrend_listenset *listenset;
   struct distrend_config *config;
   distrend_do_config(argc, argv, config);

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