From 02f5733eee9201739fde8dfacfa28a3a9d27cbca Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Sat, 13 Oct 2018 11:40:14 +0000
Subject: [PATCH] Data: Prop 123 Meta Lease
---
core/java/src/net/i2p/data/MetaLease.java | 82 +++++++++++++++++++++++
1 file changed, 82 insertions(+)
create mode 100644 core/java/src/net/i2p/data/MetaLease.java
diff --git a/core/java/src/net/i2p/data/MetaLease.java b/core/java/src/net/i2p/data/MetaLease.java
new file mode 100644
index 0000000000..17997322ed
--- /dev/null
+++ b/core/java/src/net/i2p/data/MetaLease.java
@@ -0,0 +1,82 @@
+package net.i2p.data;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Date;
+
+/**
+ * Like a Lease, but points to another LeaseSet.
+ *
+ * TunnelId unused. Flags unsupported.
+ * The LeaseSet Hash is available at getGateway() / setGateway().
+ * Length is 40.
+ *
+ * PRELIMINARY - Subject to change - see proposal 123
+ *
+ * @since 0.9.38
+ */
+public class MetaLease extends Lease {
+
+ private int _cost;
+
+ public int getCost() {
+ return _cost;
+ }
+
+ public void setCost(int cost) {
+ _cost = cost;
+ }
+
+ /**
+ * @throws UnsupportedOperationException always
+ */
+ @Override
+ public TunnelId getTunnelId() {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * @throws UnsupportedOperationException always
+ */
+ @Override
+ public void setTunnelId(TunnelId id) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void readBytes(InputStream in) throws DataFormatException, IOException {
+ _gateway = Hash.create(in);
+ // flags
+ DataHelper.skip(in, 3);
+ _cost = in.read();
+ _end = new Date(DataHelper.readLong(in, 4) * 1000);
+ }
+
+ @Override
+ public void writeBytes(OutputStream out) throws DataFormatException, IOException {
+ if (_gateway == null)
+ throw new DataFormatException("Not enough data to write out a Lease");
+ _gateway.writeBytes(out);
+ // flags
+ DataHelper.writeLong(out, 3, 0);
+ out.write(_cost);
+ DataHelper.writeLong(out, 4, _end.getTime() / 1000);
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (object == this) return true;
+ if ((object == null) || !(object instanceof MetaLease)) return false;
+ MetaLease lse = (MetaLease) object;
+ return DataHelper.eq(_end, lse.getEndDate())
+ && _cost == lse._cost
+ && DataHelper.eq(_gateway, lse.getGateway());
+ }
+
+ @Override
+ public int hashCode() {
+ return (int) _end.getTime() ^ DataHelper.hashCode(_gateway)
+ ^ _cost;
+ }
+}
--
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