1 package org.ldk.structs;
3 import org.ldk.impl.bindings;
4 import org.ldk.enums.*;
6 import java.util.Arrays;
7 import java.lang.ref.Reference;
8 import javax.annotation.Nullable;
11 * A trait indicating an object may generate onion messages to send
13 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
14 public class OnionMessageProvider extends CommonBase {
15 final bindings.LDKOnionMessageProvider bindings_instance;
16 OnionMessageProvider(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
17 private OnionMessageProvider(bindings.LDKOnionMessageProvider arg) {
18 super(bindings.LDKOnionMessageProvider_new(arg));
19 this.ptrs_to.add(arg);
20 this.bindings_instance = arg;
22 @Override @SuppressWarnings("deprecation")
23 protected void finalize() throws Throwable {
24 if (ptr != 0) { bindings.OnionMessageProvider_free(ptr); } super.finalize();
27 public static interface OnionMessageProviderInterface {
29 * Gets the next pending onion message for the peer with the given node id.
31 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
33 OnionMessage next_onion_message_for_peer(byte[] peer_node_id);
35 private static class LDKOnionMessageProviderHolder { OnionMessageProvider held; }
36 public static OnionMessageProvider new_impl(OnionMessageProviderInterface arg) {
37 final LDKOnionMessageProviderHolder impl_holder = new LDKOnionMessageProviderHolder();
38 impl_holder.held = new OnionMessageProvider(new bindings.LDKOnionMessageProvider() {
39 @Override public long next_onion_message_for_peer(byte[] peer_node_id) {
40 OnionMessage ret = arg.next_onion_message_for_peer(peer_node_id);
41 Reference.reachabilityFence(arg);
42 long result = ret == null ? 0 : ret.clone_ptr();
46 return impl_holder.held;
49 * Gets the next pending onion message for the peer with the given node id.
51 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
54 public OnionMessage next_onion_message_for_peer(byte[] peer_node_id) {
55 long ret = bindings.OnionMessageProvider_next_onion_message_for_peer(this.ptr, InternalUtils.check_arr_len(peer_node_id, 33));
56 Reference.reachabilityFence(this);
57 Reference.reachabilityFence(peer_node_id);
58 if (ret >= 0 && ret <= 4096) { return null; }
59 org.ldk.structs.OnionMessage ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.OnionMessage(null, ret); }
60 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };