Router: Add gzip caches to clearCaches()

core/java/src/net/i2p/util/ReusableGZIPInputStream.java

@@ -43,6 +43,15 @@ public class ReusableGZIPInputStream extends ResettableGZIPInputStream {
     
     private ReusableGZIPInputStream() { super(); }
     
+    /**
+     *  Clear the cache.
+     *  @since 0.9.21
+     */
+    public static void clearCache() {
+        if (_available != null)
+            _available.clear();
+    }
+
 /*******
     public static void main(String args[]) {
         for (int i = 0; i < 2; i++)

core/java/src/net/i2p/util/ReusableGZIPOutputStream.java

@@ -75,6 +75,15 @@ public class ReusableGZIPOutputStream extends ResettableGZIPOutputStream {
     /** pull the contents of the stream written */
     public byte[] getData() { return _buffer.toByteArray(); }
     
+    /**
+     *  Clear the cache.
+     *  @since 0.9.21
+     */
+    public static void clearCache() {
+        if (_available != null)
+            _available.clear();
+    }
+
 /******
     public static void main(String args[]) {
         try {

router/java/src/net/i2p/router/Router.java

@@ -52,6 +52,8 @@ import net.i2p.util.I2PThread;
 import net.i2p.util.Log;
 import net.i2p.util.NativeBigInteger;
 import net.i2p.util.OrderedProperties;
+import net.i2p.util.ReusableGZIPInputStream;
+import net.i2p.util.ReusableGZIPOutputStream;
 import net.i2p.util.SecureFileOutputStream;
 import net.i2p.util.SimpleByteCache;
 import net.i2p.util.SystemVersion;
@@ -420,6 +422,8 @@ public class Router implements RouterClock.ClockShiftListener {
         SigningPublicKey.clearCache();
         SigUtil.clearCaches();
         I2PSessionImpl.clearCache();
+        ReusableGZIPInputStream.clearCache();
+        ReusableGZIPOutputStream.clearCache();
     }
 
     /**