--- /dev/null
+package org.ldk.structs;
+
+import org.ldk.impl.bindings;
+import org.ldk.enums.*;
+import org.ldk.util.*;
+import java.util.Arrays;
+import java.lang.ref.Reference;
+import javax.annotation.Nullable;
+
+/**
+ * A trait to describe an object that can receive onion messages.
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
+public class OnionMessageHandler extends CommonBase {
+ final bindings.LDKOnionMessageHandler bindings_instance;
+ OnionMessageHandler(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
+ private OnionMessageHandler(bindings.LDKOnionMessageHandler arg, bindings.LDKOnionMessageProvider OnionMessageProvider) {
+ super(bindings.LDKOnionMessageHandler_new(arg, OnionMessageProvider));
+ this.ptrs_to.add(arg);
+ this.ptrs_to.add(OnionMessageProvider);
+ this.bindings_instance = arg;
+ }
+ @Override @SuppressWarnings("deprecation")
+ protected void finalize() throws Throwable {
+ if (ptr != 0) { bindings.OnionMessageHandler_free(ptr); } super.finalize();
+ }
+
+ public static 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.
+ */
+ void 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.
+ */
+ void peer_disconnected(byte[] their_node_id, boolean 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 static class LDKOnionMessageHandlerHolder { OnionMessageHandler held; }
+ public static OnionMessageHandler new_impl(OnionMessageHandlerInterface arg, OnionMessageProvider.OnionMessageProviderInterface OnionMessageProvider_impl) {
+ final LDKOnionMessageHandlerHolder impl_holder = new LDKOnionMessageHandlerHolder();
+ impl_holder.held = new OnionMessageHandler(new bindings.LDKOnionMessageHandler() {
+ @Override 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);
+ Reference.reachabilityFence(arg);
+ }
+ @Override public void 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); }
+ arg.peer_connected(their_node_id, init_hu_conv);
+ Reference.reachabilityFence(arg);
+ }
+ @Override public void peer_disconnected(byte[] their_node_id, boolean no_connection_possible) {
+ arg.peer_disconnected(their_node_id, no_connection_possible);
+ Reference.reachabilityFence(arg);
+ }
+ @Override public long provided_node_features() {
+ NodeFeatures ret = arg.provided_node_features();
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
+ return result;
+ }
+ @Override public long provided_init_features(byte[] their_node_id) {
+ InitFeatures ret = arg.provided_init_features(their_node_id);
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
+ return result;
+ }
+ }, 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.add(res);
+ return res;
+ }
+
+ /**
+ * Handle an incoming onion_message message from the given peer.
+ */
+ public void handle_onion_message(byte[] peer_node_id, OnionMessage msg) {
+ bindings.OnionMessageHandler_handle_onion_message(this.ptr, InternalUtils.check_arr_len(peer_node_id, 33), msg == null ? 0 : msg.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(peer_node_id);
+ Reference.reachabilityFence(msg);
+ if (this != null) { this.ptrs_to.add(msg); };
+ }
+
+ /**
+ * Called when a connection is established with a peer. Can be used to track which peers
+ * advertise onion message support and are online.
+ */
+ public void peer_connected(byte[] their_node_id, Init init) {
+ bindings.OnionMessageHandler_peer_connected(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), init == null ? 0 : init.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(their_node_id);
+ Reference.reachabilityFence(init);
+ if (this != null) { this.ptrs_to.add(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.
+ */
+ public void peer_disconnected(byte[] their_node_id, boolean no_connection_possible) {
+ bindings.OnionMessageHandler_peer_disconnected(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), no_connection_possible);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(their_node_id);
+ Reference.reachabilityFence(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);
+ Reference.reachabilityFence(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.add(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));
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(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.add(this); };
+ return ret_hu_conv;
+ }
+
+}
projects / ldk-java / blobdiff