add counter app in python

example/python/tmsp/reader.py

@@ -0,0 +1,31 @@
+
+# Simple read() method around a bytearray
+class BytesReader():
+	def __init__(self, b):
+		self.buf = b
+
+	def read(self, n):
+		if len(self.buf) < n:
+			# TODO: exception
+			return
+		r = self.buf[:n]
+		self.buf = self.buf[n:]
+		return r
+
+# Buffer bytes off a tcp connection and read them off in chunks
+class ConnReader():
+	def __init__(self, conn):
+		self.conn = conn
+		self.buf = bytearray()
+
+	# blocking 
+	def read(self, n):
+		while n > len(self.buf):
+			moreBuf = self.conn.recv(1024)
+			if not moreBuf:
+				raise IOError("dead connection")
+			self.buf = self.buf + bytearray(moreBuf)
+
+		r = self.buf[:n]
+		self.buf = self.buf[n:]
+		return r