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Add gauge for reporting number of open fds 

// FREEBIE
This commit is contained in:
Moxie Marlinspike 2015-07-30 16:55:19 -07:00
parent 83a9e36ef1
commit a3fd08b7ef
2 changed files with 21 additions and 0 deletions
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2
src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java
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@ -53,6 +53,7 @@ import org.whispersystems.textsecuregcm.mappers.IOExceptionMapper;
import org.whispersystems.textsecuregcm.mappers.InvalidWebsocketAddressExceptionMapper;
import org.whispersystems.textsecuregcm.mappers.RateLimitExceededExceptionMapper;
import org.whispersystems.textsecuregcm.metrics.CpuUsageGauge;
import org.whispersystems.textsecuregcm.metrics.FileDescriptorGauge;
import org.whispersystems.textsecuregcm.metrics.FreeMemoryGauge;
import org.whispersystems.textsecuregcm.metrics.NetworkReceivedGauge;
import org.whispersystems.textsecuregcm.metrics.NetworkSentGauge;
@ -263,6 +264,7 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
environment.metrics().register(name(FreeMemoryGauge.class, "free_memory"), new FreeMemoryGauge());
environment.metrics().register(name(NetworkSentGauge.class, "bytes_sent"), new NetworkSentGauge());
environment.metrics().register(name(NetworkReceivedGauge.class, "bytes_received"), new NetworkReceivedGauge());
environment.metrics().register(name(FileDescriptorGauge.class, "fd_count"), new FileDescriptorGauge());
if (config.getGraphiteConfiguration().isEnabled()) {
GraphiteReporterFactory graphiteReporterFactory = new GraphiteReporterFactory();

19
src/main/java/org/whispersystems/textsecuregcm/metrics/FileDescriptorGauge.java Normal file
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@ -0,0 +1,19 @@
package org.whispersystems.textsecuregcm.metrics;
import com.codahale.metrics.Gauge;
import java.io.File;
public class FileDescriptorGauge implements Gauge<Integer> {
@Override
public Integer getValue() {
File file = new File("/proc/self/fd");
if (file.isDirectory() && file.exists()) {
return file.list().length;
}
return 0;
}
}