_ Git - ldk-java/blob - src/main/java/org/ldk/structs/CustomMessageReader.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  * Trait to be implemented by custom message (unrelated to the channel/gossip LN layers)
  12  * decoders.
  13  */
  14 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  15 public class CustomMessageReader extends CommonBase {
  16         final bindings.LDKCustomMessageReader bindings_instance;
  17         CustomMessageReader(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
  18         private CustomMessageReader(bindings.LDKCustomMessageReader arg) {
  19                 super(bindings.LDKCustomMessageReader_new(arg));
  20                 this.ptrs_to.add(arg);
  21                 this.bindings_instance = arg;
  22         }
  23         @Override @SuppressWarnings("deprecation")
  24         protected void finalize() throws Throwable {
  25                 if (ptr != 0) { bindings.CustomMessageReader_free(ptr); } super.finalize();
  26         }
  27
  28         public static interface CustomMessageReaderInterface {
  29                 /**
  30                  * Decodes a custom message to `CustomMessageType`. If the given message type is known to the
  31                  * implementation and the message could be decoded, must return `Ok(Some(message))`. If the
  32                  * message type is unknown to the implementation, must return `Ok(None)`. If a decoding error
  33                  * occur, must return `Err(DecodeError::X)` where `X` details the encountered error.
  34                  */
  35                 Result_COption_TypeZDecodeErrorZ read(short message_type, byte[] buffer);
  36         }
  37         private static class LDKCustomMessageReaderHolder { CustomMessageReader held; }
  38         public static CustomMessageReader new_impl(CustomMessageReaderInterface arg) {
  39                 final LDKCustomMessageReaderHolder impl_holder = new LDKCustomMessageReaderHolder();
  40                 impl_holder.held = new CustomMessageReader(new bindings.LDKCustomMessageReader() {
  41                         @Override public long read(short message_type, byte[] buffer) {
  42                                 Result_COption_TypeZDecodeErrorZ ret = arg.read(message_type, buffer);
  43                                 long result = ret == null ? 0 : ret.clone_ptr();
  44                                 return result;
  45                         }
  46                 });
  47                 return impl_holder.held;
  48         }
  49         /**
  50          * Decodes a custom message to `CustomMessageType`. If the given message type is known to the
  51          * implementation and the message could be decoded, must return `Ok(Some(message))`. If the
  52          * message type is unknown to the implementation, must return `Ok(None)`. If a decoding error
  53          * occur, must return `Err(DecodeError::X)` where `X` details the encountered error.
  54          */
  55         public Result_COption_TypeZDecodeErrorZ read(short message_type, byte[] buffer) {
  56                 long ret = bindings.CustomMessageReader_read(this.ptr, message_type, buffer);
  57                 Reference.reachabilityFence(this);
  58                 Reference.reachabilityFence(message_type);
  59                 Reference.reachabilityFence(buffer);
  60                 if (ret >= 0 && ret <= 4096) { return null; }
  61                 Result_COption_TypeZDecodeErrorZ ret_hu_conv = Result_COption_TypeZDecodeErrorZ.constr_from_ptr(ret);
  62                 return ret_hu_conv;
  63         }
  64
  65 }