From 10f41ef157317aec3dfc54c445465662d8502469 Mon Sep 17 00:00:00 2001
From: akwizgran <michael@briarproject.org>
Date: Wed, 8 Nov 2017 14:46:56 +0000
Subject: [PATCH] Log network usage at shutdown.
---
.../briarproject/briar/android/AppModule.java | 10 +++++
.../briar/android/NetworkUsageLogger.java | 40 +++++++++++++++++++
2 files changed, 50 insertions(+)
create mode 100644 briar-android/src/main/java/org/briarproject/briar/android/NetworkUsageLogger.java
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/AppModule.java b/briar-android/src/main/java/org/briarproject/briar/android/AppModule.java
index c5b09f2443..4d5dad242d 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/AppModule.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/AppModule.java
@@ -38,6 +38,8 @@ public class AppModule {
static class EagerSingletons {
@Inject
AndroidNotificationManager androidNotificationManager;
+ @Inject
+ NetworkUsageLogger networkUsageLogger;
}
private final Application application;
@@ -173,4 +175,12 @@ public class AppModule {
ScreenFilterMonitorImpl screenFilterMonitor) {
return screenFilterMonitor;
}
+
+ @Provides
+ NetworkUsageLogger provideNetworkUsageLogger(
+ LifecycleManager lifecycleManager) {
+ NetworkUsageLogger networkUsageLogger = new NetworkUsageLogger();
+ lifecycleManager.registerService(networkUsageLogger);
+ return networkUsageLogger;
+ }
}
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/NetworkUsageLogger.java b/briar-android/src/main/java/org/briarproject/briar/android/NetworkUsageLogger.java
new file mode 100644
index 0000000000..dcf500cbf6
--- /dev/null
+++ b/briar-android/src/main/java/org/briarproject/briar/android/NetworkUsageLogger.java
@@ -0,0 +1,40 @@
+package org.briarproject.briar.android;
+
+import android.net.TrafficStats;
+import android.os.Process;
+
+import org.briarproject.bramble.api.lifecycle.Service;
+import org.briarproject.bramble.api.lifecycle.ServiceException;
+
+import java.util.logging.Logger;
+
+import static java.util.logging.Level.INFO;
+
+class NetworkUsageLogger implements Service {
+
+ private static final Logger LOG =
+ Logger.getLogger(NetworkUsageLogger.class.getName());
+
+ private volatile long startTime, rxBytes, txBytes;
+
+ @Override
+ public void startService() throws ServiceException {
+ startTime = System.currentTimeMillis();
+ int uid = Process.myUid();
+ rxBytes = TrafficStats.getUidRxBytes(uid);
+ txBytes = TrafficStats.getUidTxBytes(uid);
+ }
+
+ @Override
+ public void stopService() throws ServiceException {
+ if (LOG.isLoggable(INFO)) {
+ long sessionDuration = System.currentTimeMillis() - startTime;
+ int uid = Process.myUid();
+ long rx = TrafficStats.getUidRxBytes(uid) - rxBytes;
+ long tx = TrafficStats.getUidTxBytes(uid) - txBytes;
+ LOG.info("Duration " + (sessionDuration / 1000) + " seconds");
+ LOG.info("Received " + rx + " bytes");
+ LOG.info("Sent " + tx + " bytes");
+ }
+ }
+}
--
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