1 files changed, 50 insertions, 0 deletions
diff --git a/ext/libnatpmp/fr/free/miniupnp/libnatpmp/NatPmp.java b/ext/libnatpmp/fr/free/miniupnp/libnatpmp/NatPmp.java
new file mode 100644
index 00000000..2f1ddd3d
--- /dev/null
+++ b/ext/libnatpmp/fr/free/miniupnp/libnatpmp/NatPmp.java
@@ -0,0 +1,50 @@
+package fr.free.miniupnp.libnatpmp;
+
+import java.nio.ByteBuffer;
+
+
+public class NatPmp {
+       private static final String JNA_LIBRARY_NAME = LibraryExtractor.getLibraryPath("jninatpmp", true, NatPmp.class);
+
+    static {
+        String s = JNA_LIBRARY_NAME;
+        startup();
+    }
+
+    public ByteBuffer natpmp;
+
+    public NatPmp() {
+        init(0, 0);
+    }
+
+    public NatPmp(int forcedgw) {
+        init(1, forcedgw);
+    }
+
+    /** Cleans up the native resources used by this object.
+     Attempting to use the object after this has been called
+     will lead to crashes.*/
+    public void dispose() {
+        free();
+    }
+
+
+    protected void finalize() {
+        if (natpmp != null)
+            free();
+    }
+
+    private native void init(int forcegw, int forcedgw);
+    private native void free();
+
+    private static native void startup();
+
+    public native int sendPublicAddressRequest();
+    public native int sendNewPortMappingRequest(int protocol, int privateport, int publicport, int lifetime);
+
+    //returns a number of milliseconds, in accordance with Java convention
+    public native long getNatPmpRequestTimeout();
+
+    public native int readNatPmpResponseOrRetry(NatPmpResponse response);
+
+}