From 2fa27f737093b186ceeb910f385f5d25e0d0d744 Mon Sep 17 00:00:00 2001
From: Daniel Langesten <daniel.langest@gmail.com>
Date: Tue, 10 Mar 2015 14:47:32 +0100
Subject: added epsilon to conf

---
 cleaner.go  | 3 +--
 config.go   | 1 +
 config.json | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/cleaner.go b/cleaner.go
index 74875d0..588dbec 100644
--- a/cleaner.go
+++ b/cleaner.go
@@ -14,7 +14,6 @@ const (
 	DATABASE_PASS       = "nil"
 	DATABASE_CONNECTION = "" //e.g. "tcp(localhost:55555)
 	DATABASE_NAME       = "netflow"
-	EPSILON             = 1000
 )
 
 func cleanData(conf Config) (err error) {
@@ -61,7 +60,7 @@ func cleanData(conf Config) (err error) {
 
 	//Add noise for differential privacy
 	for i := range cDat {
-		cDat[i].occurances = diffpriv(cDat[i].occurances, 1, EPSILON)
+		cDat[i].occurances = diffpriv(cDat[i].occurances, 1, conf.Epsilon)
 	}
 
 	//Begin transaction
diff --git a/config.go b/config.go
index fb023dd..af84071 100644
--- a/config.go
+++ b/config.go
@@ -9,6 +9,7 @@ import (
 type Config struct {
 	Volumes  []VolumeInfo `json:volumes`
 	Interval string       `json:interval`
+	Epsilon  float64      `json:epsilon`
 }
 
 type VolumeInfo struct {
diff --git a/config.json b/config.json
index 10519b7..645a760 100644
--- a/config.json
+++ b/config.json
@@ -1,5 +1,6 @@
 {
 	"interval": "5min",
+	"epsilon": 10000,
 	"volumes": [
 		{
 			"size": "small",
-- 
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