Added many fixes for reruning the simulations, starting from tapes, added C...

Samo Penic

2016-05-13 3d0247677949505858b0b947fc3b216bb2a7bc80

 python/trisurf/trisurf.py

@@ -19,6 +19,7 @@
TS_NONEXISTANT=0 # process is not in the list of processes
TS_STOPPED=1 # the process is listed, but is in stopped state
TS_RUNNING=2 # process is running
TS_COMPLETED=3 #simulation is completed

class FileContent:
   '''
@@ -209,7 +210,13 @@
      Method read() reads the statistics if it exists. It sets local variable dT storing the time differential between two intervals of simulation (outer loops). It also stores last simulation loop and the start of the run.
      '''
      if(self.exists()):
      #   epoch1=0
      #   epoch2=0
      #   n1=0
      #   n2=0
         nlines=self.mapcount()
         if nlines<2:
            return(False)
         try:
            with open(self.fullname, "r+") as fin:
               i=0;
@@ -230,8 +237,10 @@
      else:
         #print("File "+self.fullname+" does not exists.\n")
         return(False)

      self.dT=(int(epoch2)-int(epoch1))/(int(n2)-int(n1))
      try:
         self.dT=(int(epoch2)-int(epoch1))/(int(n2)-int(n1))
      except:
         self.dT=0
      self.last=n2
      self.startDate=epoch1
      return(True)
@@ -289,8 +298,27 @@
      fp.close()
      return int(pid)

   def getLastIteration(self):
      self.Dir=Directory(maindir=self.maindir,simdir=self.subdir)
      #self.Dir.makeifnotexist()
      try:
         fp = open(os.path.join(self.Dir.fullpath(),'.status'))
      except IOError as e:
         return -1 #file probably does not exist. e==2??
      status=fp.readline()
      fp.close()
      return int(status)

   def isCompleted(self):
      if (int(self.tape.getValue("iterations"))==self.getLastIteration()+1):
         return True
      else:
         return False

   def getStatus(self):
      pid=self.getPID()
      if(self.isCompleted()):
         return TS_COMPLETED
      if(pid==0):
         return TS_NOLOCK
      if(psutil.pid_exists(int(pid))):
@@ -306,7 +334,7 @@
         return TS_NONEXISTANT

   def start(self):
      if(self.getStatus()==0):
      if(self.getStatus()==0 or self.getStatus()==TS_COMPLETED):
         self.Dir=Directory(maindir=self.maindir,simdir=self.subdir)
#Symlinks tape file to the directory or create tape file from snapshot in the direcory...
         if(self.Dir.makeifnotexist()):
@@ -328,13 +356,21 @@
                  os.symlink(os.path.abspath(self.snapshotFile), os.path.join(self.Dir.fullpath(),self.snapshotFile))
               except:
                  print("Error while symlinking "+os.path.abspath(self.snapshotFile)+" to "+os.path.join(self.Dir.fullpath(),self.snapshotFile))
	
		
         #check if the simulation has been completed. in this case notify user and stop executing.
         if(self.isCompleted() and ("--force-from-tape" not in self.runArgs) and ("--reset-iteration-count" not in self.runArgs)):
            print("The simulation was completed. Not starting executable at localhost in "+self.Dir.fullpath()+"\n")
            return

         cwd=Directory(maindir=os.getcwd())
         self.Dir.goto()
         print("Starting trisurf-ng executable at "+self.Dir.fullpath()+"\n")
         print("Starting trisurf-ng executable at localhost in "+self.Dir.fullpath()+"\n")
         if(self.fromSnapshot==True):
            params=["trisurf", "--restore-from-vtk",self.snapshotFile]+self.runArgs
         else:
            #veify if dump exists. If not it is a first run and shoud be run with --force-from-tape
            if(os.path.isfile("dump.bin")==False):
               self.runArgs.append("--force-from-tape")
            params=["trisurf"]+self.runArgs
         subprocess.Popen (params, stdout=subprocess.DEVNULL)
         cwd.goto()
@@ -371,6 +407,8 @@
         pid=""
      elif status==TS_STOPPED:
         statustxt="Stopped"
      elif status==TS_COMPLETED:
         statustxt="Completed"
      else:
         statustxt="Running"