_ Git - ldk-java/blob - src/main/java/org/ldk/structs/OnionMessageProvider.java

   1 package org.ldk.structs;
   2
   3 import org.ldk.impl.bindings;
   4 import org.ldk.enums.*;
   5 import org.ldk.util.*;
   6 import java.util.Arrays;
   7 import java.lang.ref.Reference;
   8 import javax.annotation.Nullable;
   9
  10 /**
  11  * A trait indicating an object may generate onion messages to send
  12  */
  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;
  21         }
  22         @Override @SuppressWarnings("deprecation")
  23         protected void finalize() throws Throwable {
  24                 if (ptr != 0) { bindings.OnionMessageProvider_free(ptr); } super.finalize();
  25         }
  26         /**
  27          * Destroys the object, freeing associated resources. After this call, any access
  28          * to this object may result in a SEGFAULT or worse.
  29          *
  30          * You should generally NEVER call this method. You should let the garbage collector
  31          * do this for you when it finalizes objects. However, it may be useful for types
  32          * which represent locks and should be closed immediately to avoid holding locks
  33          * until the GC runs.
  34          */
  35         public void destroy() {
  36                 if (ptr != 0) { bindings.OnionMessageProvider_free(ptr); }
  37                 ptr = 0;
  38         }
  39         public static interface OnionMessageProviderInterface {
  40                 /**
  41                  * Gets the next pending onion message for the peer with the given node id.
  42                  *
  43                  * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
  44                  */
  45                 OnionMessage next_onion_message_for_peer(byte[] peer_node_id);
  46         }
  47         private static class LDKOnionMessageProviderHolder { OnionMessageProvider held; }
  48         public static OnionMessageProvider new_impl(OnionMessageProviderInterface arg) {
  49                 final LDKOnionMessageProviderHolder impl_holder = new LDKOnionMessageProviderHolder();
  50                 impl_holder.held = new OnionMessageProvider(new bindings.LDKOnionMessageProvider() {
  51                         @Override public long next_onion_message_for_peer(byte[] peer_node_id) {
  52                                 OnionMessage ret = arg.next_onion_message_for_peer(peer_node_id);
  53                                 Reference.reachabilityFence(arg);
  54                                 long result = ret == null ? 0 : ret.clone_ptr();
  55                                 return result;
  56                         }
  57                 });
  58                 return impl_holder.held;
  59         }
  60         /**
  61          * Gets the next pending onion message for the peer with the given node id.
  62          *
  63          * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
  64          */
  65         @Nullable
  66         public OnionMessage next_onion_message_for_peer(byte[] peer_node_id) {
  67                 long ret = bindings.OnionMessageProvider_next_onion_message_for_peer(this.ptr, InternalUtils.check_arr_len(peer_node_id, 33));
  68                 Reference.reachabilityFence(this);
  69                 Reference.reachabilityFence(peer_node_id);
  70                 if (ret >= 0 && ret <= 4096) { return null; }
  71                 org.ldk.structs.OnionMessage ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.OnionMessage(null, ret); }
  72                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
  73                 return ret_hu_conv;
  74         }
  75
  76 }