From ef75512e752fd80b3db350877d0c43969860208e Mon Sep 17 00:00:00 2001
From: Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
Date: Wed, 21 Oct 2015 12:22:59 +0200
Subject: [PATCH] added Python scripts for file manipulation

---
 contrib/python/file-merge.py    | 35 +++++++++++++++++++++++++
 contrib/python/s2ss/__init__.py |  4 +++
 contrib/python/s2ss/msg.py      | 24 +++++++++++++++++
 contrib/python/s2ss/ocb.py      | 38 +++++++++++++++++++++++++++
 contrib/python/s2ss/ts.py       | 46 +++++++++++++++++++++++++++++++++
 5 files changed, 147 insertions(+)
 create mode 100755 contrib/python/file-merge.py
 create mode 100644 contrib/python/s2ss/__init__.py
 create mode 100644 contrib/python/s2ss/msg.py
 create mode 100644 contrib/python/s2ss/ocb.py
 create mode 100644 contrib/python/s2ss/ts.py

diff --git a/contrib/python/file-merge.py b/contrib/python/file-merge.py
new file mode 100755
index 000000000..c2e58a8cd
--- /dev/null
+++ b/contrib/python/file-merge.py
@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+
+import sys
+
+import s2ss
+from s2ss import *
+
+def main():
+	files = sys.argv[1:]
+	
+	all = [ ]
+	last = { }
+	
+	for file in files:
+		handle = sys.stdin if file == '-' else open(file, "r")
+
+		msgs = [ ]
+		for line in handle.xreadlines():
+			msgs.append(s2ss.Message.parse(line, file))
+		
+		all += msgs
+		last[file] = s2ss.Message(s2ss.Timestamp(), [0] * len(msgs[0].values), file)
+
+	all.sort()
+	for msg in all:
+		last[msg.source] = msg
+
+		values = [ ]
+		for file in files:
+			values += last[file].values
+			
+		print s2ss.Message(msg.ts, values, "")
+
+if __name__ == "__main__":
+	main()
diff --git a/contrib/python/s2ss/__init__.py b/contrib/python/s2ss/__init__.py
new file mode 100644
index 000000000..d3cf5a604
--- /dev/null
+++ b/contrib/python/s2ss/__init__.py
@@ -0,0 +1,4 @@
+from msg import Message
+from ts import Timestamp
+
+__all__ = [ "msg", "ts" ]
\ No newline at end of file
diff --git a/contrib/python/s2ss/msg.py b/contrib/python/s2ss/msg.py
new file mode 100644
index 000000000..a7cb0dada
--- /dev/null
+++ b/contrib/python/s2ss/msg.py
@@ -0,0 +1,24 @@
+from . import ts
+
+class Message:
+	"""Parsing a S2SS from a file (not a UDP package!!)"""
+
+	def __init__(self, ts, values, source = None):
+		self.source = source
+		self.ts = ts
+		self.values = values
+
+	@classmethod
+	def parse(self, line, source = None):
+		csv = line.split()
+	
+		t = ts.Timestamp.parse(csv[0])
+		v = map(float, csv[1:])
+		
+		return Message(t, v, source)
+
+	def __str__(self):
+		return '%s %s' % (self.ts, self.values)
+
+	def __cmp__(self, other):
+		return cmp(self.ts, other.ts)
\ No newline at end of file
diff --git a/contrib/python/s2ss/ocb.py b/contrib/python/s2ss/ocb.py
new file mode 100644
index 000000000..8231957e5
--- /dev/null
+++ b/contrib/python/s2ss/ocb.py
@@ -0,0 +1,38 @@
+import re
+
+class OcbMapping:
+	def __init__(self, entityId, entityType, attributeName, attributeType):
+		self.entityId = entityId
+		self.entityType = entityType
+		self.attributeName = attributeName
+		self.attributeType = attributeType
+		
+	@classmethod
+	def parse(self, lines):
+		m = re.match('([a-z]+)\(([a-z]+)\)\.([a-z]+).\(([a-z]+)\)', re.I)
+		return OcbMapping(m.group(1), m.group(2), m.group(3), m.group(4))
+	
+	@classMethod
+	def parseFile(self, file):
+
+class OcbEntity:
+
+class OcbAttribute:
+
+class OcbResponse:
+	def __init__(self, mapping):
+		self.mapping = mapping
+
+	def getJson(self, msg):
+		json = { "contextResponses" : [ ] }
+				
+		for (value in msg.values):
+			json["contextResponses"].append({
+				"statusCode" : { "code" : 200, "reasonPhrase" : "OK" }
+				"contextElement" : {
+					"attributes" = [ ],
+					"id" : "",
+					"isPattern" : false,
+					"type"
+				}
+			})
diff --git a/contrib/python/s2ss/ts.py b/contrib/python/s2ss/ts.py
new file mode 100644
index 000000000..0b4ac7384
--- /dev/null
+++ b/contrib/python/s2ss/ts.py
@@ -0,0 +1,46 @@
+import re
+
+class Timestamp:
+	"""Parsing the S2SS timestamp format"""
+
+	def __init__(self, seconds = 0, nanoseconds = None, offset = None, sequence = None):
+		self.seconds = seconds
+		self.nanoseconds = nanoseconds
+		self.offset = offset
+		self.sequence = sequence
+
+	@classmethod
+	def parse(self, ts):
+		m = re.match('(\d+)(?:\.(\d+))?([-+]\d+(?:\.\d+)?(?:e[+-]?\d+)?)?(?:\((\d+)\))?', ts)
+		
+		seconds		= int(m.group(1)); # Mandatory
+		nanoseconds	= int(m.group(2))   if m.group(2) else None
+		offset		= float(m.group(3)) if m.group(3) else None
+		sequence	= int(m.group(4))   if m.group(4) else None
+		
+		return Timestamp(seconds, nanoseconds, offset, sequence)
+
+	def __str__(self):
+		str = "%u" % (self.seconds)
+		
+		if self.nanoseconds is not None:
+			str += ".%09u" % self.nanoseconds
+		if self.offset is not None:
+			str += "+%u" % self.offset
+		if self.sequence is not None:
+			str += "(%u)" % self.sequence
+
+		return str
+	
+	def __float__(self):
+		sum = float(self.seconds)
+		
+		if self.nanoseconds is not None:
+			sum += self.nanoseconds * 1e-9
+		if self.offset is not None:
+			sum += self.offset
+
+		return sum
+
+	def __cmp__(self, other):
+		return cmp(float(self), float(other))
\ No newline at end of file