From 89434d44fc91bf6dbaf023b3f3218c892420d908 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Sun, 03 Jul 2016 20:00:18 +0000
Subject: [PATCH] fixed some of the issues while reconstructing wesicles. Added Nbw/Nb metrics to the tspoststat tool.

---
 python/trisurf/trisurf.py |   59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 55 insertions(+), 4 deletions(-)

diff --git a/python/trisurf/trisurf.py b/python/trisurf/trisurf.py
index bed6f7d..ddcb7f9 100644
--- a/python/trisurf/trisurf.py
+++ b/python/trisurf/trisurf.py
@@ -212,8 +212,40 @@
 			lines=0
 			f.close()
 		return lines
-		
+
+	def tail(self,filename,n=2):
+		with open(filename,'r') as myfile:
+			lines=myfile.readlines()
+		return [lines[len(lines)-2].replace('\n',''),lines[len(lines)-1].replace('\n','')]
+
 	def read(self):
+		try:
+			lines=self.tail(self.fullname)
+		except:
+			return(False)
+		if len(lines)<2:
+			return(False)
+		#print (line)
+		fields=shlex.split(lines[0])
+		epoch1=fields[0]
+		n1=fields[1]
+		
+		fields=shlex.split(lines[1])
+		epoch2=fields[0]
+		n2=fields[1]
+		try:
+			self.dT=int(epoch2)-int(epoch1)
+			self.last=n2
+			#print(epoch1)
+			#print(epoch2)
+			#print(self.dT)
+			#print(self.last)
+			self.startDate=os.path.getmtime(os.path.join(self.path,'.lock'))
+		except:
+			return(False)
+		return(True)
+
+	def read_old(self):
 		'''
 		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.
 		'''
@@ -382,10 +414,18 @@
 				return
 
 			cwd=Directory(maindir=os.getcwd())
+			lastVTU=self.getLastVTU() #we get last VTU file in case we need to continue the simulation from last snapshot. Need to be done before the Dir.goto() call.
 			self.Dir.goto()
 			print("Starting trisurf-ng executable in "+self.Dir.fullpath())
 			if(self.fromSnapshot==True):
-				params=["trisurf", "--restore-from-vtk","initial_snapshot.vtu"]+self.runArgs
+				#here we try to determine whether we should continue the simulation or start from last known VTU snapshot.
+				if(lastVTU==None):
+					initSnap="initial_snapshot.vtu"
+				else:
+					initSnap=lastVTU
+					print("WARNING: Not using initial snapshot as starting point, but selecting "+initSnap+" as a starting vesicle")
+				params=["trisurf", "--restore-from-vtk",initSnap]+self.runArgs
+				print("InitSnap is: "+initSnap)
 			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):
@@ -397,8 +437,6 @@
 			print("Process in "+self.Dir.fullpath()+" already running. Not starting.")
 		return
 
-	def stop(self):
-		pass
 
 	def setMaindir(self,prefix,variables):
 		maindir=""
@@ -443,11 +481,24 @@
 			report=["N/A","N/A",statustxt, pid, str(self.Dir.fullpath()), self.Comment.getText()]
 		return report
 
+
+	def stop(self):
+		p=psutil.Process(self.getPID())
+		p.kill()
+
 	def writeComment(self, data, mode='w'):
 		self.Dir=Directory(maindir=self.maindir,simdir=self.subdir)
 		self.Comment=FileContent(os.path.join(self.Dir.fullpath(),".comment"))
 		self.Comment.writefile(data,mode=mode)
 
+
+	def getLastVTU(self):
+		vtuidx=self.getLastIteration()
+		if vtuidx<0:
+			return None
+		else:
+			return  'timestep_{:06d}.vtu'.format(vtuidx)
+
 	def __str__(self):
 		if(self.getStatus()==0):
 			str=" not running."

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