fix piece count calculation

core/src/main/groovy/com/muwire/core/mesh/MeshManager.groovy

@@ -1,5 +1,6 @@
 package com.muwire.core.mesh
 
+import java.util.logging.Level
 import java.util.stream.Collectors
 
 import com.muwire.core.Constants
@@ -12,8 +13,10 @@ import com.muwire.core.util.DataUtil
 
 import groovy.json.JsonOutput
 import groovy.json.JsonSlurper
+import groovy.util.logging.Log
 import net.i2p.data.Base64
 
+@Log
 class MeshManager {
     
     private static final int EXPIRATION = 60 * 60 * 1000
@@ -36,6 +39,7 @@ class MeshManager {
         synchronized(meshes) {
             if (meshes.containsKey(infoHash))
                 return meshes.get(infoHash)
+            log.log(Level.INFO,"creating mesh with pieces:$nPieces", new Exception())
             Pieces pieces = new Pieces(nPieces, Constants.DOWNLOAD_SEQUENTIAL_RATIO)
             if (fileManager.rootToFiles.containsKey(infoHash)) {
                 for (int i = 0; i < nPieces; i++)

core/src/main/groovy/com/muwire/core/upload/ContentUploader.groovy

@@ -12,8 +12,10 @@ import com.muwire.core.connection.Endpoint
 import com.muwire.core.mesh.Mesh
 import com.muwire.core.util.DataUtil
 
+import groovy.util.logging.Log
 import net.i2p.data.Destination
 
+@Log
 class ContentUploader extends Uploader {
     
     private final File file
@@ -42,8 +44,10 @@ class ContentUploader extends Uploader {
             int endPiece = range.end / (0x1 << pieceSize)
             for (int i = startPiece; i <= endPiece; i++)
                 satisfiable &= mesh.pieces.isDownloaded(i)
+            log.info("requested range $range.start-$range.end startPiece:$startPiece endPiece:$endPiece satisfiable:$satisfiable my pieces: ${mesh.pieces.getDownloaded()}")
         }
         if (!satisfiable) {
+            log.info("416 range not satisfiable")
             os.write("416 Range Not Satisfiable\r\n".getBytes(StandardCharsets.US_ASCII))
             writeMesh(request.downloader)
             os.write("\r\n".getBytes(StandardCharsets.US_ASCII))
@@ -51,6 +55,8 @@ class ContentUploader extends Uploader {
             return
         }
 
+        log.info("200 ok")
+        
         os.write("200 OK\r\n".getBytes(StandardCharsets.US_ASCII))
         os.write("Content-Range: $range.start-$range.end\r\n".getBytes(StandardCharsets.US_ASCII))
         writeMesh(request.downloader)

core/src/main/java/com/muwire/core/SharedFile.java

@@ -30,7 +30,7 @@ public class SharedFile {
 	    long length = file.length();
 	    int rawPieceSize = 0x1 << pieceSize;
 	    int rv = (int) (length / rawPieceSize);
-	    if (length % pieceSize != 0)
+	    if (length % rawPieceSize != 0)
 	        rv++;
 	    return rv;
 	}