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Code

Calculate bytes per second in network gauges

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// FREEBIE
This commit is contained in:
Moxie Marlinspike 2016-07-21 17:54:01 -07:00
parent 8cbeecd347
commit 4e8ca603fe
3 changed files with 36 additions and 20 deletions
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2
src/main/java/org/whispersystems/textsecuregcm/metrics/NetworkGauge.java
View File

@ -9,7 +9,7 @@ import java.io.File;
import java.io.FileReader;
import java.io.IOException;
public abstract class NetworkGauge implements Gauge<Long> {
public abstract class NetworkGauge implements Gauge<Double> {
protected Pair<Long, Long> getSentReceived() throws IOException {
File proc = new File("/proc/net/dev");

24
src/main/java/org/whispersystems/textsecuregcm/metrics/NetworkReceivedGauge.java
View File

@ -13,23 +13,31 @@ public class NetworkReceivedGauge extends NetworkGauge {
private long lastTimestamp;
private long lastReceived;
public NetworkReceivedGauge() {
try {
this.lastTimestamp = System.currentTimeMillis();
this.lastReceived = getSentReceived().second();
} catch (IOException e) {
logger.warn(NetworkReceivedGauge.class.getSimpleName(), e);
}
}
@Override
public Long getValue() {
public Double getValue() {
try {
long timestamp = System.currentTimeMillis();
Pair<Long, Long> sentAndReceived = getSentReceived();
long result = 0;
double bytesReceived = sentAndReceived.second() - lastReceived;
double secondsElapsed = (timestamp - this.lastTimestamp) / 1000;
double result = bytesReceived / secondsElapsed;
if (lastTimestamp != 0) {
result = sentAndReceived.second() - lastReceived;
lastReceived = sentAndReceived.second();
}
this.lastTimestamp = timestamp;
this.lastReceived = sentAndReceived.second();
lastTimestamp = timestamp;
return result;
} catch (IOException e) {
logger.warn("NetworkReceivedGauge", e);
return -1L;
return -1D;
}
}

30
src/main/java/org/whispersystems/textsecuregcm/metrics/NetworkSentGauge.java
View File

@ -13,23 +13,31 @@ public class NetworkSentGauge extends NetworkGauge {
private long lastTimestamp;
private long lastSent;
@Override
public Long getValue() {
public NetworkSentGauge() {
try {
long timestamp = System.currentTimeMillis();
Pair<Long, Long> sentAndReceived = getSentReceived();
long result = 0;
this.lastTimestamp = System.currentTimeMillis();
this.lastSent = getSentReceived().first();
} catch (IOException e) {
logger.warn(NetworkSentGauge.class.getSimpleName(), e);
}
}
if (lastTimestamp != 0) {
result = sentAndReceived.first() - lastSent;
lastSent = sentAndReceived.first();
}
@Override
public Double getValue() {
try {
long timestamp = System.currentTimeMillis();
Pair<Long, Long> sentAndReceived = getSentReceived();
double bytesTransmitted = sentAndReceived.first() - lastSent;
double secondsElapsed = (timestamp - this.lastTimestamp) / 1000;
double result = bytesTransmitted / secondsElapsed;
this.lastSent = sentAndReceived.first();
this.lastTimestamp = timestamp;
lastTimestamp = timestamp;
return result;
} catch (IOException e) {
logger.warn("NetworkSentGauge", e);
return -1L;
return -1D;
}
}
}