7 namespace org { namespace ldk { namespace structs {
11 /** An implementation of MessageRouter */
12 public interface MessageRouterInterface {
13 /**Returns a route for sending an [`OnionMessage`] to the given [`Destination`].
15 Result_OnionMessagePathNoneZ find_path(byte[] sender, byte[][] peers, Destination destination);
19 * A trait defining behavior for routing an [`OnionMessage`].
21 public class MessageRouter : CommonBase {
22 internal bindings.LDKMessageRouter bindings_instance;
23 internal long instance_idx;
25 internal MessageRouter(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
27 if (ptr != 0) { bindings.MessageRouter_free(ptr); }
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;
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);
49 long result = ret == null ? 0 : ret.clone_ptr();
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);
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;
67 * Returns a route for sending an [`OnionMessage`] to the given [`Destination`].
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);
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); };