_ Git - ldk-java/blob - c_sharp/src/org/ldk/structs/MessageRouter.cs

   1
   2 using org.ldk.impl;
   3 using org.ldk.enums;
   4 using org.ldk.util;
   5 using System;
   6
   7 namespace org { namespace ldk { namespace structs {
   8
   9
  10
  11 /** An implementation of MessageRouter */
  12 public interface MessageRouterInterface {
  13         /**Returns a route for sending an [`OnionMessage`] to the given [`Destination`].
  14          */
  15         Result_OnionMessagePathNoneZ find_path(byte[] sender, byte[][] peers, Destination destination);
  16 }
  17
  18 /**
  19  * A trait defining behavior for routing an [`OnionMessage`].
  20  */
  21 public class MessageRouter : CommonBase {
  22         internal bindings.LDKMessageRouter bindings_instance;
  23         internal long instance_idx;
  24
  25         internal MessageRouter(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
  26         ~MessageRouter() {
  27                 if (ptr != 0) { bindings.MessageRouter_free(ptr); }
  28         }
  29
  30         private class LDKMessageRouterHolder { internal MessageRouter held; }
  31         private class LDKMessageRouterImpl : bindings.LDKMessageRouter {
  32                 internal LDKMessageRouterImpl(MessageRouterInterface arg, LDKMessageRouterHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
  33                 private MessageRouterInterface arg;
  34                 private LDKMessageRouterHolder impl_holder;
  35                 public long find_path(long _sender, long _peers, long _destination) {
  36                         byte[] _sender_conv = InternalUtils.decodeUint8Array(_sender);
  37                         int _peers_conv_8_len = InternalUtils.getArrayLength(_peers);
  38                         byte[][] _peers_conv_8_arr = new byte[_peers_conv_8_len][];
  39                         for (int i = 0; i < _peers_conv_8_len; i++) {
  40                                 long _peers_conv_8 = InternalUtils.getU64ArrayElem(_peers, i);
  41                                 byte[] _peers_conv_8_conv = InternalUtils.decodeUint8Array(_peers_conv_8);
  42                                 _peers_conv_8_arr[i] = _peers_conv_8_conv;
  43                         }
  44                         bindings.free_buffer(_peers);
  45                         org.ldk.structs.Destination _destination_hu_conv = org.ldk.structs.Destination.constr_from_ptr(_destination);
  46                         if (_destination_hu_conv != null) { _destination_hu_conv.ptrs_to.AddLast(this); };
  47                         Result_OnionMessagePathNoneZ ret = arg.find_path(_sender_conv, _peers_conv_8_arr, _destination_hu_conv);
  48                                 GC.KeepAlive(arg);
  49                         long result = ret == null ? 0 : ret.clone_ptr();
  50                         return result;
  51                 }
  52         }
  53
  54         /** Creates a new instance of MessageRouter from a given implementation */
  55         public static MessageRouter new_impl(MessageRouterInterface arg) {
  56                 LDKMessageRouterHolder impl_holder = new LDKMessageRouterHolder();
  57                 LDKMessageRouterImpl impl = new LDKMessageRouterImpl(arg, impl_holder);
  58                 long[] ptr_idx = bindings.LDKMessageRouter_new(impl);
  59
  60                 impl_holder.held = new MessageRouter(null, ptr_idx[0]);
  61                 impl_holder.held.instance_idx = ptr_idx[1];
  62                 impl_holder.held.bindings_instance = impl;
  63                 return impl_holder.held;
  64         }
  65
  66         /**
  67          * Returns a route for sending an [`OnionMessage`] to the given [`Destination`].
  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.encodeUint8Array(InternalUtils.check_arr_len(sender, 33)), InternalUtils.encodeUint64Array(InternalUtils.mapArray(peers, peers_conv_8 => InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(peers_conv_8, 33)))), destination.ptr);
  71                 GC.KeepAlive(this);
  72                 GC.KeepAlive(sender);
  73                 GC.KeepAlive(peers);
  74                 GC.KeepAlive(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.AddLast(destination); };
  78                 return ret_hu_conv;
  79         }
  80
  81 }
  82 } } }