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| library(ggplot2) | |
| library(splines) | |
| library(MASS) | |
| library(plyr) | |
| library(reshape) | |
| library(scales) | |
| options(scipen=999) | |
| traffic<-read.table("trafficEvents.txt", header=TRUE, sep="," ,as.is=FALSE) | |
| traffic<-transform(traffic, TIME = as.numeric(TIME)) | |
| traffic<-transform(traffic, SRCPORT = as.numeric(SRCPORT)) | |
| traffic<-transform(traffic, DSTPORT = as.numeric(DSTPORT)) | |
| #Apps under study | |
| # trafficApps<-subset(traffic, (traffic$PACKAGE=="com.google.android.gms" | traffic$PACKAGE=="com.whatsapp" | traffic$PACKAGE=="com.facebook.katana" | traffic$PACKAGE=="com.skype.raider" | traffic$PACKAGE=="com.viber.voip") & traffic$SCREEN == 0) | |
| createConnID <- function(line) { | |
| if (line['DIRECTION'] == -1) { | |
| return (paste0(line['SRC'], "-", line['DST'], "-", line['SRCPORT'], "-", line['DSTPORT'])) | |
| } else { | |
| return (paste0(line['DST'], "-", line['SRC'], "-", line['DSTPORT'], "-", line['SRCPORT'])) | |
| } | |
| } | |
| connectionDuration <- function(x) { | |
| a = x['maxTime']-x['minTime'] | |
| colnames( a) = 'duration' | |
| a | |
| } | |
| # We look only at cmod as we can accurately attribute PID to packet, and only at TCP | |
| trafficApps<-subset(traffic, traffic$OSVERSION==10 & traffic$USER!="rip" & traffic$PROTOCOL=="TCP") | |
| # users<-levels(factor(trafficApps$USER)) | |
| # apps <- levels(factor(trafficApps$PACKAGE)) | |
| trafficApps <- subset(trafficApps, trafficApps$PACKAGE=="com.facebook.katana") | |
| # Calculate the duration of each connection | |
| trafficApps$ConnectionID = apply(trafficApps, 1, createConnID) | |
| timestamped <- ddply(trafficApps, .(ConnectionID,PACKAGE), transform, minTime = min(TIME), maxTime = max(TIME)) | |
| trafficApps = cbind(trafficApps,connectionDuration(timestamped)) | |
| head(count(trafficApps, c('ConnectionID', 'PACKAGE', 'duration'))) |
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| > head(count(trafficApps, c('ConnectionID', 'PACKAGE', 'duration'))) | |
| ConnectionID PACKAGE duration freq | |
| 1 10.135.206.76-173.194.35.135-47946- 80 com.facebook.katana 5975 30 | |
| 2 10.135.206.76-173.194.35.135-47946- 80 com.facebook.katana 50990 9 | |
| 3 10.135.206.76-173.194.35.135-47946- 80 com.facebook.katana 90964 2 | |
| 4 10.135.206.76-173.194.35.135-47946- 80 com.facebook.katana 96060 1 | |
| 5 10.135.206.76-173.194.69.138-54462- 80 com.facebook.katana 36048 1 | |
| 6 10.135.206.76-173.194.69.138-54462- 80 com.facebook.katana 39987 27 |
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