- Prevent torrent shutdown when changing file priority to skip

apps/i2psnark/java/src/org/klomp/snark/MetaInfo.java

@@ -424,13 +424,22 @@ public class MetaInfo
   }
   
   /**
+   *  @return good
    *  @since 0.9.1
    */
-  boolean checkPiece(PartialPiece pp) throws IOException {
+  boolean checkPiece(PartialPiece pp) {
     MessageDigest sha1 = SHA1.getInstance();
     int piece = pp.getPiece();
-
-    byte[] hash = pp.getHash();
+    byte[] hash;
+    try {
+        hash = pp.getHash();
+    } catch (IOException ioe) {
+        // Could be caused by closing a peer connnection
+        // we don't want the exception to propagate through
+        // to Storage.putPiece()
+        _log.warn("Error checking", ioe);
+        return false;
+    }
     for (int i = 0; i < 20; i++)
       if (hash[i] != piece_hashes[20 * piece + i])
         return false;

apps/i2psnark/java/src/org/klomp/snark/PeerState.java

@@ -308,6 +308,7 @@ class PeerState implements DataLoader
                   + peer);
 
     // Last chunk needed for this piece?
+    // FIXME if priority changed to skip, we will think we're done when we aren't
     if (getFirstOutstandingRequest(req.getPiece()) == -1)
       {
         // warning - may block here for a while