_ 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 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  14 public class MessageRouter extends CommonBase {
  15         final bindings.LDKMessageRouter bindings_instance;
  16         MessageRouter(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
  17         private MessageRouter(bindings.LDKMessageRouter arg) {
  18                 super(bindings.LDKMessageRouter_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.MessageRouter_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.MessageRouter_free(ptr); }
  37                 ptr = 0;
  38         }
  39         public static interface MessageRouterInterface {
  40                 /**
  41                  * Returns a route for sending an [`OnionMessage`] to the given [`Destination`].
  42                  */
  43                 Result_OnionMessagePathNoneZ find_path(byte[] sender, byte[][] peers, Destination destination);
  44                 /**
  45                  * Creates [`BlindedPath`]s to the `recipient` node. The nodes in `peers` are assumed to be
  46                  * direct peers with the `recipient`.
  47                  */
  48                 Result_CVec_BlindedPathZNoneZ create_blinded_paths(byte[] recipient, byte[][] peers);
  49         }
  50         private static class LDKMessageRouterHolder { MessageRouter held; }
  51         public static MessageRouter new_impl(MessageRouterInterface arg) {
  52                 final LDKMessageRouterHolder impl_holder = new LDKMessageRouterHolder();
  53                 impl_holder.held = new MessageRouter(new bindings.LDKMessageRouter() {
  54                         @Override public long find_path(byte[] sender, byte[][] peers, long destination) {
  55                                 org.ldk.structs.Destination destination_hu_conv = org.ldk.structs.Destination.constr_from_ptr(destination);
  56                                 if (destination_hu_conv != null) { destination_hu_conv.ptrs_to.add(this); };
  57                                 Result_OnionMessagePathNoneZ ret = arg.find_path(sender, peers, destination_hu_conv);
  58                                 Reference.reachabilityFence(arg);
  59                                 long result = ret == null ? 0 : ret.clone_ptr();
  60                                 return result;
  61                         }
  62                         @Override public long create_blinded_paths(byte[] recipient, byte[][] peers) {
  63                                 Result_CVec_BlindedPathZNoneZ ret = arg.create_blinded_paths(recipient, peers);
  64                                 Reference.reachabilityFence(arg);
  65                                 long result = ret == null ? 0 : ret.clone_ptr();
  66                                 return result;
  67                         }
  68                 });
  69                 return impl_holder.held;
  70         }
  71         /**
  72          * Returns a route for sending an [`OnionMessage`] to the given [`Destination`].
  73          */
  74         public Result_OnionMessagePathNoneZ find_path(byte[] sender, byte[][] peers, org.ldk.structs.Destination destination) {
  75                 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);
  76                 Reference.reachabilityFence(this);
  77                 Reference.reachabilityFence(sender);
  78                 Reference.reachabilityFence(peers);
  79                 Reference.reachabilityFence(destination);
  80                 if (ret >= 0 && ret <= 4096) { return null; }
  81                 Result_OnionMessagePathNoneZ ret_hu_conv = Result_OnionMessagePathNoneZ.constr_from_ptr(ret);
  82                 if (this != null) { this.ptrs_to.add(destination); };
  83                 return ret_hu_conv;
  84         }
  85
  86         /**
  87          * Creates [`BlindedPath`]s to the `recipient` node. The nodes in `peers` are assumed to be
  88          * direct peers with the `recipient`.
  89          */
  90         public Result_CVec_BlindedPathZNoneZ create_blinded_paths(byte[] recipient, byte[][] peers) {
  91                 long ret = bindings.MessageRouter_create_blinded_paths(this.ptr, InternalUtils.check_arr_len(recipient, 33), peers != null ? Arrays.stream(peers).map(peers_conv_8 -> InternalUtils.check_arr_len(peers_conv_8, 33)).toArray(byte[][]::new) : null);
  92                 Reference.reachabilityFence(this);
  93                 Reference.reachabilityFence(recipient);
  94                 Reference.reachabilityFence(peers);
  95                 if (ret >= 0 && ret <= 4096) { return null; }
  96                 Result_CVec_BlindedPathZNoneZ ret_hu_conv = Result_CVec_BlindedPathZNoneZ.constr_from_ptr(ret);
  97                 return ret_hu_conv;
  98         }
  99
 100 }