--- /dev/null
+using org.ldk.impl;
+using org.ldk.enums;
+using org.ldk.util;
+using System;
+
+namespace org { namespace ldk { namespace structs {
+
+/**
+ * A trait to describe an object that can receive onion messages.
+ */
+public class OnionMessageHandler : CommonBase {
+ internal readonly bindings.LDKOnionMessageHandler bindings_instance;
+ internal OnionMessageHandler(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
+ private OnionMessageHandler(bindings.LDKOnionMessageHandler arg, bindings.LDKOnionMessageProvider OnionMessageProvider) : base(bindings.LDKOnionMessageHandler_new(arg, OnionMessageProvider)) {
+ this.ptrs_to.AddLast(arg);
+ this.ptrs_to.AddLast(OnionMessageProvider);
+ this.bindings_instance = arg;
+ }
+ ~OnionMessageHandler() {
+ if (ptr != 0) { bindings.OnionMessageHandler_free(ptr); }
+ }
+
+ public interface OnionMessageHandlerInterface {
+ /**
+ * Handle an incoming onion_message message from the given peer.
+ */
+ void handle_onion_message(byte[] _peer_node_id, OnionMessage _msg);
+ /**
+ * Called when a connection is established with a peer. Can be used to track which peers
+ * advertise onion message support and are online.
+ *
+ * May return an `Err(())` if the features the peer supports are not sufficient to communicate
+ * with us. Implementors should be somewhat conservative about doing so, however, as other
+ * message handlers may still wish to communicate with this peer.
+ */
+ Result_NoneNoneZ peer_connected(byte[] _their_node_id, Init _init);
+ /**
+ * Indicates a connection to the peer failed/an existing connection was lost. Allows handlers to
+ * drop and refuse to forward onion messages to this peer.
+ *
+ * Note that in some rare cases this may be called without a corresponding
+ * [`Self::peer_connected`].
+ */
+ void peer_disconnected(byte[] _their_node_id, bool _no_connection_possible);
+ /**
+ * Gets the node feature flags which this handler itself supports. All available handlers are
+ * queried similarly and their feature flags are OR'd together to form the [`NodeFeatures`]
+ * which are broadcasted in our [`NodeAnnouncement`] message.
+ */
+ NodeFeatures provided_node_features();
+ /**
+ * Gets the init feature flags which should be sent to the given peer. All available handlers
+ * are queried similarly and their feature flags are OR'd together to form the [`InitFeatures`]
+ * which are sent in our [`Init`] message.
+ *
+ * Note that this method is called before [`Self::peer_connected`].
+ */
+ InitFeatures provided_init_features(byte[] _their_node_id);
+ }
+ private class LDKOnionMessageHandlerHolder { internal OnionMessageHandler held; }
+ private class LDKOnionMessageHandlerImpl : bindings.LDKOnionMessageHandler {
+ internal LDKOnionMessageHandlerImpl(OnionMessageHandlerInterface arg, LDKOnionMessageHandlerHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
+ private OnionMessageHandlerInterface arg;
+ private LDKOnionMessageHandlerHolder impl_holder;
+ public void handle_onion_message(byte[] _peer_node_id, long _msg) {
+ org.ldk.structs.OnionMessage _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.OnionMessage(null, _msg); }
+ arg.handle_onion_message(_peer_node_id, _msg_hu_conv);
+ GC.KeepAlive(arg);
+ }
+ public long peer_connected(byte[] _their_node_id, long _init) {
+ org.ldk.structs.Init _init_hu_conv = null; if (_init < 0 || _init > 4096) { _init_hu_conv = new org.ldk.structs.Init(null, _init); }
+ Result_NoneNoneZ ret = arg.peer_connected(_their_node_id, _init_hu_conv);
+ GC.KeepAlive(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
+ return result;
+ }
+ public void peer_disconnected(byte[] _their_node_id, bool _no_connection_possible) {
+ arg.peer_disconnected(_their_node_id, _no_connection_possible);
+ GC.KeepAlive(arg);
+ }
+ public long provided_node_features() {
+ NodeFeatures ret = arg.provided_node_features();
+ GC.KeepAlive(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
+ return result;
+ }
+ public long provided_init_features(byte[] _their_node_id) {
+ InitFeatures ret = arg.provided_init_features(_their_node_id);
+ GC.KeepAlive(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
+ return result;
+ }
+ }
+ public static OnionMessageHandler new_impl(OnionMessageHandlerInterface arg, OnionMessageProvider.OnionMessageProviderInterface OnionMessageProvider_impl) {
+ LDKOnionMessageHandlerHolder impl_holder = new LDKOnionMessageHandlerHolder();
+ impl_holder.held = new OnionMessageHandler(new LDKOnionMessageHandlerImpl(arg, impl_holder), OnionMessageProvider.new_impl(OnionMessageProvider_impl).bindings_instance);
+ return impl_holder.held;
+ }
+
+ /**
+ * Gets the underlying OnionMessageProvider.
+ */
+ public OnionMessageProvider get_onion_message_provider() {
+ OnionMessageProvider res = new OnionMessageProvider(null, bindings.LDKOnionMessageHandler_get_OnionMessageProvider(this.ptr));
+ this.ptrs_to.AddLast(res);
+ return res;
+ }
+
+ /**
+ * Handle an incoming onion_message message from the given peer.
+ */
+ public void handle_onion_message(byte[] peer_node_id, org.ldk.structs.OnionMessage msg) {
+ bindings.OnionMessageHandler_handle_onion_message(this.ptr, InternalUtils.check_arr_len(peer_node_id, 33), msg == null ? 0 : msg.ptr);
+ GC.KeepAlive(this);
+ GC.KeepAlive(peer_node_id);
+ GC.KeepAlive(msg);
+ if (this != null) { this.ptrs_to.AddLast(msg); };
+ }
+
+ /**
+ * Called when a connection is established with a peer. Can be used to track which peers
+ * advertise onion message support and are online.
+ *
+ * May return an `Err(())` if the features the peer supports are not sufficient to communicate
+ * with us. Implementors should be somewhat conservative about doing so, however, as other
+ * message handlers may still wish to communicate with this peer.
+ */
+ public Result_NoneNoneZ peer_connected(byte[] their_node_id, org.ldk.structs.Init init) {
+ long ret = bindings.OnionMessageHandler_peer_connected(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), init == null ? 0 : init.ptr);
+ GC.KeepAlive(this);
+ GC.KeepAlive(their_node_id);
+ GC.KeepAlive(init);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_NoneNoneZ ret_hu_conv = Result_NoneNoneZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.AddLast(init); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Indicates a connection to the peer failed/an existing connection was lost. Allows handlers to
+ * drop and refuse to forward onion messages to this peer.
+ *
+ * Note that in some rare cases this may be called without a corresponding
+ * [`Self::peer_connected`].
+ */
+ public void peer_disconnected(byte[] their_node_id, bool no_connection_possible) {
+ bindings.OnionMessageHandler_peer_disconnected(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), no_connection_possible);
+ GC.KeepAlive(this);
+ GC.KeepAlive(their_node_id);
+ GC.KeepAlive(no_connection_possible);
+ }
+
+ /**
+ * Gets the node feature flags which this handler itself supports. All available handlers are
+ * queried similarly and their feature flags are OR'd together to form the [`NodeFeatures`]
+ * which are broadcasted in our [`NodeAnnouncement`] message.
+ */
+ public NodeFeatures provided_node_features() {
+ long ret = bindings.OnionMessageHandler_provided_node_features(this.ptr);
+ GC.KeepAlive(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.NodeFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.NodeFeatures(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Gets the init feature flags which should be sent to the given peer. All available handlers
+ * are queried similarly and their feature flags are OR'd together to form the [`InitFeatures`]
+ * which are sent in our [`Init`] message.
+ *
+ * Note that this method is called before [`Self::peer_connected`].
+ */
+ public InitFeatures provided_init_features(byte[] their_node_id) {
+ long ret = bindings.OnionMessageHandler_provided_init_features(this.ptr, InternalUtils.check_arr_len(their_node_id, 33));
+ GC.KeepAlive(this);
+ GC.KeepAlive(their_node_id);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.InitFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.InitFeatures(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
+ return ret_hu_conv;
+ }
+
+}
+} } }
projects / ldk-java / blobdiff