Add router log location to logs.jsp

apps/routerconsole/java/src/net/i2p/router/web/LogsHelper.java

@@ -9,7 +9,8 @@ public class LogsHelper extends HelperBase {
     public LogsHelper() {}
     
     public String getLogs() {
-        return formatMessages(_context.logManager().getBuffer().getMostRecentMessages());
+        String str = formatMessages(_context.logManager().getBuffer().getMostRecentMessages());
+        return "Location: " + _context.logManager().currentFile() + "<br />" + str;
     }
     
     public String getCriticalLogs() {

core/java/src/net/i2p/util/LogManager.java

@@ -202,6 +202,10 @@ public class LogManager {
         loadConfig();
     }
 
+    public String currentFile() {
+        return _writer.currentFile();
+    }
+
     /**
      * Used by Log to add records to the queue
      *

core/java/src/net/i2p/util/LogWriter.java

@@ -93,6 +93,9 @@ class LogWriter implements Runnable {
         }
     }
     
+    public String currentFile() {
+        return _currentFile != null ? _currentFile.getAbsolutePath() : "uninitialized";
+    }
 
     private void rereadConfig() {
         long now = Clock.getInstance().now();