From 1b0102bd1cec573cbbf9cd37f22cf13181344175 Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Wed, 18 Jul 2018 12:08:40 +0000
Subject: [PATCH] i2psnark: Enable sequential order option for single-file
 torrents (ticket #2234)

---
 apps/i2psnark/java/src/org/klomp/snark/Storage.java  | 12 ++++++------
 .../src/org/klomp/snark/web/I2PSnarkServlet.java     |  7 +++++--
 router/java/src/net/i2p/router/RouterVersion.java    |  2 +-
 3 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/apps/i2psnark/java/src/org/klomp/snark/Storage.java b/apps/i2psnark/java/src/org/klomp/snark/Storage.java
index 91dd34261..77843cd74 100644
--- a/apps/i2psnark/java/src/org/klomp/snark/Storage.java
+++ b/apps/i2psnark/java/src/org/klomp/snark/Storage.java
@@ -440,9 +440,9 @@ public class Storage implements Closeable
    */
   public int getPriority(int fileIndex) {
       if (complete() || metainfo.getFiles() == null)
-          return 0;
+          return PRIORITY_NORMAL;
       if (fileIndex < 0 || fileIndex >= _torrentFiles.size())
-          return 0;
+          return PRIORITY_NORMAL;
       return _torrentFiles.get(fileIndex).priority;
   }
 
@@ -488,7 +488,7 @@ public class Storage implements Closeable
   void setFilePriorities(int[] p) {
       if (p == null) {
           for (TorrentFile tf : _torrentFiles) {
-              tf.priority = 0;
+              tf.priority = PRIORITY_NORMAL;
           }
       } else {
           int sz = _torrentFiles.size();
@@ -517,7 +517,7 @@ public class Storage implements Closeable
       if (yes == _inOrder)
           return;
       _inOrder = yes;
-      if (complete() || metainfo.getFiles() == null)
+      if (complete())
           return;
       if (yes) {
           List<TorrentFile> sorted = _torrentFiles;
@@ -560,11 +560,11 @@ public class Storage implements Closeable
    *  Set the piece priority to the highest priority
    *  of all files spanning the piece.
    *  Caller must pass array to the PeerCoordinator.
-   *  @return null on error, if complete, or if only one file
+   *  @return null on error, if complete, or if only one file and inOrder not set.
    *  @since 0.8.1
    */
   public int[] getPiecePriorities() {
-      if (complete() || metainfo.getFiles() == null)
+      if (complete() || (metainfo.getFiles() == null && !_inOrder))
           return null;
       int[] rv = new int[metainfo.getPieces()];
       int file = 0;
diff --git a/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java b/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
index 7e61f65d5..0a9fb8e73 100644
--- a/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
+++ b/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
@@ -3286,11 +3286,14 @@ public class I2PSnarkServlet extends BasicServlet {
                            .append("\">\n");
                 }
                 boolean showInOrder = storage != null && !storage.complete() &&
-                                      meta != null && meta.getFiles() != null && meta.getFiles().size() > 1;
+                                      meta != null;
                 if (showInOrder) {
                     buf.append("</td></tr>\n" +
                                "<tr id=\"torrentOrderControl\"><td colspan=\"2\">");
-                    buf.append(_t("Download files in order"));
+                    String txt = (meta.getFiles() != null && meta.getFiles().size() > 1) ?
+                                 _t("Download files in order") :
+                                 _t("Download pieces in order");
+                    buf.append(txt);
                     buf.append(":<input type=\"checkbox\" class=\"optbox\" name=\"enableInOrder\" id=\"enableInOrder\" ");
                     if (storage.getInOrder())
                         buf.append("checked=\"checked\"");
diff --git a/router/java/src/net/i2p/router/RouterVersion.java b/router/java/src/net/i2p/router/RouterVersion.java
index 31c35f8c3..ea17ad55f 100644
--- a/router/java/src/net/i2p/router/RouterVersion.java
+++ b/router/java/src/net/i2p/router/RouterVersion.java
@@ -18,7 +18,7 @@ public class RouterVersion {
     /** deprecated */
     public final static String ID = "Monotone";
     public final static String VERSION = CoreVersion.VERSION;
-    public final static long BUILD = 14;
+    public final static long BUILD = 15;
 
     /** for example "-test" */
     public final static String EXTRA = "";