altoslib: Add callback from AltosLog on file open failure

[fw/altos] / altoslib / AltosLogTrace.java

diff --git a/altoslib/AltosLogTrace.java b/altoslib/AltosLogTrace.java
new file mode 100644 (file)
index 0000000..64b41d6
--- /dev/null
+++ b/altoslib/AltosLogTrace.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright © 2021 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altoslib_14;
+
+import java.io.*;
+import java.net.*;
+
+public interface AltosLogTrace {
+       public abstract void trace(String format, Object ... arguments);
+
+       public abstract void open_failed(File path);
+}