Changeset - 9cf7971fa223
[Not reviewed]
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0 2 0
Ethan Zonca (ethanzonca) - 15 years ago 2010-09-03 00:25:24
e@ethanzonca.com
Random changes, reduced polling time for dev work
2 files changed with 2 insertions and 2 deletions:
0 comments (0 inline, 0 general)
src/server/simpleslave.c
Show inline comments
 
@@ -126,219 +126,219 @@ if(updateConf){
 
      fprintf(stderr, "server not set\n");
 
      return 1;
 
    }
 
  if(!username)
 
    {
 
      fprintf(stderr, "username not set, try the -u flag \n");
 
      return 1;
 
    }
 
  if(!password)
 
    {
 
      fprintf(stderr, "password not set, try the -p flag\n");
 
      return 1;
 
    }
 
  if(!hostname)
 
    {
 
      fprintf(stderr, "hostname not set\n");
 
      return 1;
 
    }
 

	
 
  
 
  /* Notifies the user if there no username in .conf */
 
  if(checkUsername(username))
 
    return 1;
 
  if(!strncmp(password, "!password",10))
 
    {
 
      fprintf(stderr, "You haven't specified a password. Please edit distrenslave.conf or try the -p flag!\n");
 
      return 1;
 
    }
 

	
 
  // Variables needed for main loop
 
  int jobnum = 0;
 
  int framenum = 0;
 
  int slavekey = atoi(username); // @TODO: Make this more friendly
 

	
 
  char *urltoTar;      /* Full URL to the server-side location of job#.tgz */
 
  char *pathtoTar;     /* Full path to the location of the job#.tgz */
 
  char *pathtoTardir;
 

	
 
  // Temporary for uncompressed testing
 
  // char *urltoJobfile;
 

	
 
  char *urltoOutput;   /* Full URL where output is posted */
 
  char *pathtoOutput;  /* Full path to the output (rendered) file */
 
  char *pathtoOutdir;  /* Full path to output directory */
 
  char *pathtoRenderOutput; /* Contains blender framenum placeholder */
 

	
 
  char *urltoJobfile; /* Used if we aren't using compression */
 
  char *pathtoJob; /* Path to job data folder */
 
  char *pathtoJobfile; /* Full path to the job's main file */
 
  char *outputExt = "jpg";     /* Output Extension (e.g., JPG) */
 

	
 
  int haveWork = 0;
 
  int quit = 0;
 

	
 
  fprintf(stderr,"\nDistRen SimpleSlave Pre-Alpha %s\n- Experimental build: Use at your own risk!\n\n", PACKAGE_VERSION);
 

	
 
  /* @TODO @FIXME create datadir (/var/distren/) if it doesn't exist, or notify the user */
 

	
 
  int benchmarkTime = 0;
 
  int renderPower = 0;
 

	
 
  // @TODO: create _web function to force recalc if !isset($render_power) on server
 
  if(runBenchmark)
 
    {
 
      if(slaveBenchmark(datadir, &benchmarkTime, &renderPower))
 
	{
 
	  fprintf(stderr,"Benchmark failed! Exiting.\n");
 
	  return 1;
 
	}
 
      else
 
	{
 
	  fprintf(stderr,"Benchmark successful, time taken was %d seconds, giving you a render power of %d.\n",
 
		  benchmarkTime, renderPower);
 
	  _web_setrenderpower(slavekey, password, renderPower);
 
	  return 0;
 
	}
 
    }
 

	
 
  if(!DEBUG)
 
    fprintf(stderr, "Running...");
 
  // Main loop
 
  while(!quit)
 
    {
 

	
 
    // request work
 
    if(DEBUG)
 
      fprintf(stderr,"Requesting work from %s...\n", hostname);
 
    haveWork = _web_getwork(slavekey, password, &jobnum, &framenum);
 

	
 
    /* If we got a frame */
 
    if(haveWork)
 
      {
 
        fprintf(stderr,"\nGot work from server...\n");
 
        if(DEBUG)
 
          fprintf(stderr, "Preparing to render frame %d in job %d\n", framenum, jobnum);
 

	
 
        prepareJobPaths(jobnum, framenum, outputExt, datadir, &urltoTar, &pathtoTar, &pathtoTardir, &pathtoJob, &pathtoJobfile, &urltoJobfile, &urltoOutput, &pathtoOutput, &pathtoRenderOutput, &pathtoOutdir);
 
        //free(outputExt);
 
        mkdir(pathtoTardir, 0700);
 
        int dlret = downloadTar(urltoTar, pathtoTar);
 
        //int dlret = downloadTar(urltoJobfile, pathtoJobfile);
 
        if(dlret == 0)
 
          fprintf(stderr,"Data retrieved successfully!\n");
 
        else if(dlret == 3){
 
          _web_resetframe(slavekey, password, jobnum, framenum);  // Unassign the frame on the server so other slaves can render it
 
          return 0; // ouput dir doesn't exist
 
        }
 
        else
 
          if(DEBUG)
 
            //fprintf(stderr,"Using existing uncompressed data %s...\n", pathtoJobfile);
 
            fprintf(stderr,"Using existing tarball %s...\n", pathtoTar);
 

	
 
        // Check if tar exists already
 
        struct stat jbuffer;
 
        int jstatus = stat(pathtoJobfile, &jbuffer);
 
        if(jstatus == -1){
 
          fprintf(stderr,"Main job file does not exist, extracting...\n");
 

	
 
          // If error unpacking tarball
 
          if(unpackJob(pathtoJob, pathtoTar)){
 
            _web_resetframe(slavekey, password, jobnum, framenum);  // Unassign the frame on the server so other slaves can render it
 
            fprintf(stderr,"Extraction failed, exiting.\n");
 
            return 1;
 
          }
 
	  else
 
	    if(DEBUG)
 
              fprintf(stderr,"Whatever happened in the unpackjob() function supposedly worked.\n");
 
        }
 
	else{
 
	  if(DEBUG)
 
	    fprintf(stderr,"Using already extracted data.\n");
 
        }
 

	
 
        struct stat tbuffer;
 
        int tstatus = stat(pathtoJobfile, &tbuffer);
 
	if(tstatus == -1){
 
          fprintf(stderr,"The main job file does not exist! Data may be corrupt, or the archive is malformatted.\n");
 
          return 1;
 
        }
 

	
 
        /* ignore return because directory may exist already */
 
        if(DEBUG)
 
          fprintf(stderr,"Creating output directory %s\n", pathtoOutdir);
 
        mkdir(pathtoOutdir, 0700);
 

	
 
        if(DEBUG)
 
          fprintf(stderr,"Marking frame started on server... ");
 
        _web_startframe(slavekey, password, jobnum, framenum);
 

	
 
        /* Execute blender */
 
        if(DEBUG){
 
          fprintf(stderr,"Executing blender on file %s\n", pathtoJobfile);
 
          fprintf(stderr,"Directing output to file %s\n", pathtoOutput);
 
        }
 

	
 
        if(exec_blender(pathtoJobfile, pathtoRenderOutput, framenum))
 
          {
 
            fprintf(stderr,"Error running Blender. Check your installation and/or your PATH.\n");
 
            _web_resetframe(slavekey, password, jobnum, framenum);  // Unassign the frame on the server so other slaves can render it
 
            return 1;
 
          }
 
        free(pathtoJobfile);
 
        pathtoJobfile = NULL;
 

	
 
        struct stat buffer;
 
        int fstatus = stat(pathtoOutput, &buffer);
 
        if(fstatus == -1){
 
          fprintf(stderr,"*** %s doesn't exist! Scene may not have camera, or your blender installation is not working.\n", pathtoOutput);
 
          _web_resetframe(slavekey, password, jobnum, framenum);  // Unassign the frame on the server so other slaves can render it
 
          return 1;
 
        }
 
        else{
 
          /* Post-execution */
 
          if(DEBUG)
 
            fprintf(stderr, "Finished frame %d in job %d, uploading...\n", framenum, jobnum);
 
          else
 
            fprintf(stderr,"Finished.\n");
 
          uploadOutput(pathtoOutput, urltoOutput, jobnum, framenum, slavekey); // @TODO: Handle return value
 

	
 
          free(urltoOutput);
 
          free(pathtoOutput);
 
          urltoOutput = NULL;
 
          pathtoOutput = NULL;
 
          // Tell the server that rendering and upload are complete
 
          _web_finishframe(slavekey, password, jobnum, framenum);
 
        }
 
      }
 
    else{
 
      if(DEBUG)
 
        fprintf(stderr,"No work to do. Idling...\n");
 
      else
 
        fprintf(stderr,".");
 
      sleep(300); // Poll every 300 seconds @TODO: remove polling
 
      sleep(60); // Poll every 300 seconds @TODO: remove polling
 
    }
 

	
 
    // @TODO: If the server says that every frame for the last jobnum is finished, OR if the data is getting old
 
    if(1 == 0)
 
      {
 
        // Note: individual frames are already deleted after uploading,
 
        // except for ones that couldn't be uploaded
 
        delete_jobdata(jobnum, datadir);
 
      }
 
  }
 

	
 
  free(my_cfg);
 
  free(outputExt);
 
  free(datadir);
 
  free(urltoTar);
 
  free(pathtoTar);
 
  free(pathtoTardir);
 
  free(pathtoJob);
 
  free(pathtoJobfile);
 
  free(urltoJobfile);
 
  free(urltoOutput);
 
  free(pathtoRenderOutput);
 
  free(pathtoOutdir);
 
  fprintf(stderr,"Goodbye!\n");
 
  return 0;
 
}
src/server/slavefuncs.c
Show inline comments
 
@@ -200,385 +200,385 @@ CURLcode curlpost(char *filename, char *
 
    curl_easy_setopt(curl, CURLOPT_URL, url);
 
    curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
 
    res = curl_easy_perform(curl);
 

	
 
    curl_easy_cleanup(curl);
 
    /* cleanup the formpost junk */
 
    curl_formfree(formpost);
 
    curl_slist_free_all (headerlist);
 
    free(sjobnum);
 
    free(sframenum);
 
    free(sslavekey);
 
    }
 
  return res;
 
}
 

	
 
/** Replaces wordtoreplace with replacewith in conffile (relative to SYSCONFDIR) */
 
int conf_replace(char *conffile, char *wordtoreplace, char *replacewith){
 
  int maxlinelen = 120;
 
  char *fileOrig;
 
  char *fileRepl;
 
  _distren_asprintf(&fileOrig, "%s/%s", SYSCONFDIR, conffile);
 
  _distren_asprintf(&fileRepl, "%s%s.edited", SYSCONFDIR, conffile);
 
  char buffer[maxlinelen+2];
 
  char *buff_ptr, *find_ptr;
 
  FILE *fp1, *fp2;
 
  size_t find_len = strlen(wordtoreplace);
 
  fp1 = fopen(fileOrig,"r");
 
  fp2 = fopen(fileRepl,"w");
 
  if (fp1 ==NULL){
 
    fprintf(stderr, "%s doesn't exist\n",fileOrig);
 
    return 0;
 
  }
 
  else if(fp2 ==NULL){
 
    fprintf(stderr, "Can't write a file to disk! Check permissions.\n");
 
    return 0;
 
  }
 
  else{
 
    while(fgets(buffer,maxlinelen+2,fp1))
 
      {
 
        buff_ptr = buffer;
 
        while ((find_ptr = strstr(buff_ptr,wordtoreplace)))
 
        {
 
           while(buff_ptr < find_ptr)
 
             fputc((int)*buff_ptr++,fp2);
 
           fputs(replacewith,fp2);
 
           buff_ptr += find_len;
 
         }
 
         fputs(buff_ptr,fp2);
 
      }
 
    rename(fileRepl, fileOrig);
 
  }
 
  fclose(fp2);
 
  fclose(fp1);
 
  fprintf(stderr,"Wrote conf file...\n");
 
return 1; // Success
 
}
 

	
 

	
 
/* Executors */
 

	
 
/** Executor function for Blender operations */
 
int exec_blender(char *input, char *output, int frame)
 
{
 
  int ret;
 
  char *frame_str;
 
  _distren_asprintf(&frame_str, "%i", frame);
 

	
 
  char *command = "blender"; // @TODO: We currently expect this to be in PATH
 
  char *cmd[] = { command, "-b", input, "-o", output, "-f", frame_str, "-t", "0", (char *)NULL }; // arguments for blender
 

	
 
  if(DEBUG)
 
    fprintf(stderr,"Preparing to execute command: %s -b %s -o %s -f %s\n", command, input, output, frame_str);
 

	
 
  char buf[20];
 
  struct execio *testrem;
 
  size_t readlen;
 

	
 
  if(DEBUG)
 
    fprintf(stderr,"Executing: %s\n", frame_str);
 

	
 
  ret = execio_open(&testrem, command, cmd);
 
  if(ret)
 
    {
 
      fprintf(stderr, "Error running blender\n");
 
      return 1;
 
    }
 
  buf[19] = '\0';
 
  while(!execio_read(testrem, buf, 19, &readlen))
 
    {
 
       buf[readlen] = '\0';
 
       if(DEBUG)
 
         fprintf(stderr, "read \"%s\"\n", buf);
 
    }
 
  execio_close(testrem);
 
  free(frame_str);
 
  return ret;
 
}
 

	
 
void xmlinit()
 
{
 
  xmlInitParser();
 
  xmlXPathInit();
 
}
 

	
 
void xmlcleanup()
 
{
 
  xmlCleanupParser();
 
}
 

	
 

	
 
/** Creates directories recursively */
 
int distren_mkdir_recurse(const char *dirname)
 
{
 
  size_t counter;
 
  char *nextdir;
 
  int ret;
 

	
 
  nextdir = strdup(dirname);
 
  /* skip preficing slashes */
 
  for(counter = 0; nextdir[counter] == '/'; counter ++)
 
    ;
 
  for(; nextdir[counter]; counter ++)
 
    {
 
      /** @TODO OS-portabalize the path-separators */
 
      if(nextdir[counter] == '/')
 
        {
 
          nextdir[counter] = '\0';
 
          ret = mkdir(nextdir, S_IRWXU | S_IRGRP | S_IROTH);
 
	  if(ret == -1
 
	     && errno != EEXIST)
 
	    {
 
	      perror("mkdir");
 
	      free(nextdir);
 
	      return 1;
 
	    }
 
          nextdir[counter] = '/';
 
        }
 
    }
 
  ret = mkdir(nextdir, S_IRWXU | S_IRGRP | S_IROTH);
 
  if(ret == -1
 
     && errno != EEXIST)
 
    {
 
      perror("mkdir");
 
      free(nextdir);
 
      return 1;
 
    }
 
  free(nextdir);
 

	
 
  return 0;
 
}
 

	
 
/**
 
 @TODO: Use for constructing path to job data locally and/or on data.distren.org
 
 */
 
int job_build_path(char *filename, unsigned int jobnum)
 
{
 
  return 0;
 
}
 

	
 

	
 
int downloadTar(char *url, char *destinationPath){
 
  // Prepare to download the job tar if it isn't  present
 
  struct stat buffer;
 
  int fstatus = stat(destinationPath, &buffer);
 
  if(fstatus == -1)
 
    {
 
      // Download the Tar
 
      int ret = curlget(url, destinationPath);
 
      if(ret == 0){
 
        fprintf(stderr, "Job data retrieved successfully\n");
 
        // free(url); @FIXME: causes doublefree! Curl must free the url?
 
        return 0;
 
      }
 
      else if(ret == 1){
 
        fprintf(stderr, "Downloading job data from %s failed. Check your network connection.\n",url);
 
        free(url);
 
        return 1; // Eventually make a retry loop
 
      }
 
    }
 
  if(DEBUG)
 
    fprintf(stderr, "Tar at %s already exists! Download cancelled.\n", destinationPath);
 
  return 2;
 
}
 

	
 

	
 
int uploadOutput(char *pathtoOutput, char *urltoOutput, int jobnum, int framenum, int slavekey){
 
  //fprintf(stderr,"Uploading output %s to url %s for job %d and frame %d for slavekey %d", pathtoOutput, urltoOutput, jobnum, framenum, slavekey);
 
  if( !curlpost(pathtoOutput, urltoOutput, jobnum, framenum, slavekey)) // Uploads output
 
    {
 
      if(DEBUG)
 
        fprintf(stderr,"Upload successful, removing old output...\n");
 
      else
 
        fprintf(stderr,"Uploaded\n");
 
        fprintf(stderr,"Uploaded.\n");
 

	
 
      remove(pathtoOutput); // Delete the file after its uploaded
 
      return 0;
 
    }
 
  else
 
    {
 
      fprintf(stderr,"Upload failed. Check your network connection. Retrying upload...\n");
 
      int tries=1;
 
      while(tries<=10 && curlpost(pathtoOutput, urltoOutput, jobnum, framenum, slavekey))
 
        {
 
          fprintf(stderr, "Upload failed. Trying again in 10 seconds... (attempt %d of 10)\n", tries);
 
          tries++;
 
          sleep(10);
 
        }
 
      return 1; // Upload failed after multiple tries
 
      // @FUTURE: Keep track of files that we were unable to upload, and upload them later
 
    }
 
}
 

	
 
void prepareJobPaths(int jobnum, int framenum, char *outputExt, char *datadir, char **urltoTar,char **pathtoTar,char **pathtoTardir,char **pathtoJob, char **pathtoJobfile, char **urltoJobfile, char **urltoOutput,char **pathtoOutput, char **pathtoRenderOutput, char **pathtoOutdir)
 
{
 
  // Variable Preparation
 
  char *jobdatapath;
 
   _distren_asprintf(&jobdatapath, "job%d", jobnum);
 
   _distren_asprintf(urltoTar, "http://data.distren.org/job%d/job.tar.gz", jobnum, jobnum); // Prepares URL to download from
 
   _distren_asprintf(urltoJobfile, "http://data.distren.org/job%d/job.blend", jobnum); // Prepares URL to download from
 

	
 
   _distren_asprintf(pathtoTar, "%s/%s/job.tar.gz", datadir, jobdatapath, jobnum); // Prepares destination to save to
 

	
 
   _distren_asprintf(pathtoTardir, "%s/%s/", datadir, jobdatapath); // Prepares destination to save to
 

	
 
   _distren_asprintf(pathtoJob, "%s/%s/", datadir, jobdatapath);
 

	
 
   _distren_asprintf(pathtoJobfile, "%s/%s/job.blend", datadir, jobdatapath ); // Prepares the path to the jobfile
 
   _distren_asprintf(urltoOutput, "http://distren.org/slaveUpload.php?jobkey=%d&framekey=%d",jobnum,framenum); // Prepares the URL where output is posted
 

	
 
   _distren_asprintf(pathtoRenderOutput, "%s/%s/output/job%d-frame#.%s", datadir, jobdatapath, jobnum, outputExt ); // Note: the # is for blender to put in framenum in output file
 
   _distren_asprintf(pathtoOutput, "%s/%s/output/job%d-frame%d.%s", datadir, jobdatapath, jobnum, framenum, outputExt ); // Note: the # is for blender to put in framenum in output file
 

	
 
   _distren_asprintf(pathtoOutdir, "%s/%s/output", datadir, jobdatapath);
 
   free(jobdatapath);
 
}
 

	
 
int checkUsername(char *username)
 
{
 
  if(username == NULL || strcmp(username, "!username") == 0 )
 
    {
 
     fprintf(stderr, "\nPlease ensure that your slave ID is present in distrenslave.conf, or use the -u flag to set a slave ID.\n");
 
     return 1;
 
   }
 
   else
 
     if( username != NULL || strcmp(username, "!username") != 0 )
 
       {
 
         // Log in the user
 
         if(login_user(username) == 1){
 
           // Logged in OK
 
           return 0;
 
         }
 
         else
 
           {
 
             fprintf(stderr, "Login failed, please check your username. If you have not registered, please do so on the DistRen website.\n");
 
             return 1;
 
           }
 
       }
 
     else
 
       {
 
         fprintf(stderr, "Please check your distrenslave.conf, it appears to be incorrectly formatted.\n");
 
         return 1;
 
       }
 
}
 

	
 
void slaveTest(char *datadir)
 
{
 
  int command;
 
  int test = 1;
 
  int jobnum = 0;
 
  int framenum = 0;
 
  int slavekey = 0;
 
  fprintf(stderr,"Hello!\n");
 
  char tmpString1[100] = "";
 
  char tmpString2[100] = "";
 
  char *uploadURL = "http://distren.org/slaveUpload.php";
 

	
 
  while(test == 1)
 
   {
 
     fprintf(stderr, "Welcome to DistRenSlave Alpha Interactive Test Mode\n\n");
 
     fprintf(stderr, "\t1 \tTest posting (uploading) data\n");
 
     fprintf(stderr, "\t2 \tTest getting frame from server\n");
 
     fprintf(stderr, "\t3 \tTest data downloading\n");
 
     fprintf(stderr, "\t4 \tTest archive decompression\n");
 
     fprintf(stderr, "\t5 \tQuit\n");
 

	
 
     scanf("%d", &command);
 

	
 
     switch(command)
 
     {
 
     case 1:
 
       fprintf(stderr,"Path to output file to upload: ");
 
       scanf("%99s", tmpString1);
 
       fprintf(stderr,"Framenum that is being uploaded: ");
 
       scanf("%d", &framenum);
 
       fprintf(stderr,"Jobnum that frame belongs to: ");
 
       scanf("%d", &jobnum);
 
       fprintf(stderr,"Slavekey that rendered this output: ");
 
       scanf("%d", &slavekey);
 
       uploadOutput(tmpString1, uploadURL, jobnum, framenum, slavekey);
 
       break;
 
     case 2:
 
       fprintf(stderr,"Remotio not implemented yet!\n");
 
       break;
 
     case 3:
 
       fprintf(stderr,"URL to file: ");
 
       scanf("%s", tmpString1);
 
       fprintf(stderr,"Local save path (including filename): ");
 
       scanf("%s", tmpString2);
 
       if(downloadTar(tmpString1, tmpString2))
 
         fprintf(stderr,"Error downloading!\n");
 
       else
 
         fprintf(stderr,"Success!\n");
 
       break;
 
     case 4:
 
       fprintf(stderr,"Jobnum to decompress: ");
 
       scanf("%d", &jobnum);
 
       fprintf(stderr,"Path to compressed data: ");
 
       scanf("%s", tmpString2);
 
       unpackJob(datadir, tmpString1);
 
       break;
 
     case 5:
 
       test = 0;
 
       break;
 
     default:
 
       fprintf(stderr, "Invalid input, please try again.\n");
 
       break;
 
     }
 
   }
 
}
 

	
 
/*
 
int runBenchmark(int slavekey, char *datadir){
 
  // Execute blender
 

	
 
  if(exec_blender(pathtoJobfile, pathtoOutput, framenum))
 
    {
 
      fprintf(stderr,"Error running Blender. Check your installation and/or your PATH.\n");
 
      _web_resetframe(slavekey, password, jobnum, framenum);  // Unassign the frame on the server so other slaves can render it
 
      return 1;
 
    }
 
  free(pathtoJobfile);
 

	
 
  struct stat buffer;
 
  int fstatus = stat(pathtoOutput, &buffer);
 
  if(fstatus == -1){
 
    fprintf(stderr,"*** Frame was not rendered correctly! Scene may not have camera, or your blender installation is not working.\n");
 
    _web_resetframe(slavekey, password, jobnum, framenum);  // Unassign the frame on the server so other slaves can render it
 
    return 1;
 
  }
 

	
 
}
 
*/
 

	
 
/* simpleSlave functions */
 

	
 
/** Memory struct for curl */
 
struct _web_memorystruct {
 
  char *memory;
 
  size_t size;
 
};
 

	
 
void *_web_myrealloc(void *ptr, size_t size);
 

	
 
void *_web_myrealloc(void *ptr, size_t size)
 
{
 
  /* There might be a realloc() out there that doesn't like reallocing
 
     NULL pointers, so we take care of it here */
 
  if(ptr)
 
    return realloc(ptr, size);
 
  else
 
    return malloc(size);
 
}
 

	
 
size_t _web_writememorycallback(void *ptr, size_t size, size_t nmemb, void *data)
 
{
 
  size_t realsize = size * nmemb;
 
  struct _web_memorystruct *mem = (struct _web_memorystruct *)data;
 

	
 
  mem->memory = _web_myrealloc(mem->memory, mem->size + realsize + 1);
 
  if (mem->memory) {
 
    memcpy(&(mem->memory[mem->size]), ptr, realsize);
 
    mem->size += realsize;
 
    mem->memory[mem->size] = 0;
 
  }
 
  return realsize;
0 comments (0 inline, 0 general)