_ Git - ldk-java/blob - src/main/java/org/ldk/structs/MessageRouter.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 defining behavior for routing an [`OnionMessage`].
  12  *
  13  * [`OnionMessage`]: msgs::OnionMessage
  14  */
  15 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  16 public class MessageRouter extends CommonBase {
  17         final bindings.LDKMessageRouter bindings_instance;
  18         MessageRouter(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
  19         private MessageRouter(bindings.LDKMessageRouter arg) {
  20                 super(bindings.LDKMessageRouter_new(arg));
  21                 this.ptrs_to.add(arg);
  22                 this.bindings_instance = arg;
  23         }
  24         @Override @SuppressWarnings("deprecation")
  25         protected void finalize() throws Throwable {
  26                 if (ptr != 0) { bindings.MessageRouter_free(ptr); } super.finalize();
  27         }
  28         /**
  29          * Destroys the object, freeing associated resources. After this call, any access
  30          * to this object may result in a SEGFAULT or worse.
  31          *
  32          * You should generally NEVER call this method. You should let the garbage collector
  33          * do this for you when it finalizes objects. However, it may be useful for types
  34          * which represent locks and should be closed immediately to avoid holding locks
  35          * until the GC runs.
  36          */
  37         public void destroy() {
  38                 if (ptr != 0) { bindings.MessageRouter_free(ptr); }
  39                 ptr = 0;
  40         }
  41         public static interface MessageRouterInterface {
  42                 /**
  43                  * Returns a route for sending an [`OnionMessage`] to the given [`Destination`].
  44                  *
  45                  * [`OnionMessage`]: msgs::OnionMessage
  46                  */
  47                 Result_OnionMessagePathNoneZ find_path(byte[] sender, byte[][] peers, Destination destination);
  48         }
  49         private static class LDKMessageRouterHolder { MessageRouter held; }
  50         public static MessageRouter new_impl(MessageRouterInterface arg) {
  51                 final LDKMessageRouterHolder impl_holder = new LDKMessageRouterHolder();
  52                 impl_holder.held = new MessageRouter(new bindings.LDKMessageRouter() {
  53                         @Override public long find_path(byte[] sender, byte[][] peers, long destination) {
  54                                 org.ldk.structs.Destination destination_hu_conv = org.ldk.structs.Destination.constr_from_ptr(destination);
  55                                 if (destination_hu_conv != null) { destination_hu_conv.ptrs_to.add(this); };
  56                                 Result_OnionMessagePathNoneZ ret = arg.find_path(sender, peers, destination_hu_conv);
  57                                 Reference.reachabilityFence(arg);
  58                                 long result = ret == null ? 0 : ret.clone_ptr();
  59                                 return result;
  60                         }
  61                 });
  62                 return impl_holder.held;
  63         }
  64         /**
  65          * Returns a route for sending an [`OnionMessage`] to the given [`Destination`].
  66          *
  67          * [`OnionMessage`]: msgs::OnionMessage
  68          */
  69         public Result_OnionMessagePathNoneZ find_path(byte[] sender, byte[][] peers, org.ldk.structs.Destination destination) {
  70                 long ret = bindings.MessageRouter_find_path(this.ptr, InternalUtils.check_arr_len(sender, 33), peers != null ? Arrays.stream(peers).map(peers_conv_8 -> InternalUtils.check_arr_len(peers_conv_8, 33)).toArray(byte[][]::new) : null, destination.ptr);
  71                 Reference.reachabilityFence(this);
  72                 Reference.reachabilityFence(sender);
  73                 Reference.reachabilityFence(peers);
  74                 Reference.reachabilityFence(destination);
  75                 if (ret >= 0 && ret <= 4096) { return null; }
  76                 Result_OnionMessagePathNoneZ ret_hu_conv = Result_OnionMessagePathNoneZ.constr_from_ptr(ret);
  77                 if (this != null) { this.ptrs_to.add(destination); };
  78                 return ret_hu_conv;
  79         }
  80
  81 }