--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright (C) 2012 Tobias Brunner
+ Copyright (C) 2012 Giuliano Grassi
+ Copyright (C) 2012 Ralf Sager
+ Hochschule fuer Technik Rapperswil
+
+ 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. See <http://www.fsf.org/copyleft/gpl.txt>.
+
+ 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.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:orientation="vertical" >
+
+ <org.strongswan.android.ui.LogScrollView
+ android:id="@+id/scroll_view"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:layout_margin="10dp"
+ android:scrollbarFadeDuration="0"
+ android:scrollbarAlwaysDrawVerticalTrack="true" >
+
+ <TextView
+ android:id="@+id/log_view"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:textSize="9sp"
+ android:typeface="monospace" >
+ </TextView>
+
+ </org.strongswan.android.ui.LogScrollView>
+
+</LinearLayout>
--- /dev/null
+/*
+ * Copyright (C) 2012 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+package org.strongswan.android.ui;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.StringReader;
+
+import org.strongswan.android.R;
+import org.strongswan.android.logic.CharonVpnService;
+
+import android.app.Fragment;
+import android.os.Bundle;
+import android.os.Handler;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+public class LogFragment extends Fragment implements Runnable
+{
+ private String mLogFilePath;
+ private Handler mLogHandler;
+ private TextView mLogView;
+ private LogScrollView mScrollView;
+ private BufferedReader mReader;
+ private Thread mThread;
+ private volatile boolean mRunning;
+
+ @Override
+ public void onCreate(Bundle savedInstanceState)
+ {
+ super.onCreate(savedInstanceState);
+
+ mLogFilePath = getActivity().getFilesDir() + File.separator + CharonVpnService.LOG_FILE;
+ /* use a handler to update the log view */
+ mLogHandler = new Handler();
+ }
+
+ @Override
+ public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
+ {
+ View view = inflater.inflate(R.layout.log_fragment, null);
+ mLogView = (TextView)view.findViewById(R.id.log_view);
+ mScrollView = (LogScrollView)view.findViewById(R.id.scroll_view);
+ return view;
+ }
+
+ @Override
+ public void onStart()
+ {
+ super.onStart();
+ mLogView.setText("");
+ try
+ {
+ mReader = new BufferedReader(new FileReader(mLogFilePath));
+ }
+ catch (FileNotFoundException e)
+ {
+ mReader = new BufferedReader(new StringReader(""));
+ }
+ mRunning = true;
+ mThread = new Thread(this);
+ mThread.start();
+ }
+
+ @Override
+ public void onStop()
+ {
+ super.onStop();
+ try
+ {
+ mRunning = false;
+ mThread.interrupt();
+ mThread.join();
+ }
+ catch (InterruptedException e)
+ {
+ }
+ }
+
+ /**
+ * Write the given log line to the TextView. We strip the prefix off to save
+ * some space (it is not that helpful for regular users anyway).
+ * @param line log line to log
+ */
+ public void logLine(final String line)
+ {
+ mLogHandler.post(new Runnable() {
+ @Override
+ public void run()
+ {
+ /* strip off prefix (month=3, day=2, time=8, thread=2, spaces=3) */
+ mLogView.append((line.length() > 18 ? line.substring(18) : line) + '\n');
+ /* calling autoScroll() directly does not work, probably because content
+ * is not yet updated, so we post this to be done later */
+ mScrollView.post(new Runnable() {
+ @Override
+ public void run()
+ {
+ mScrollView.autoScroll();
+ }
+ });
+ }
+ });
+ }
+
+ @Override
+ public void run()
+ {
+ while (mRunning)
+ {
+ try
+ {
+ String line = mReader.readLine();
+ if (line == null)
+ { /* wait until there is more to log */
+ Thread.sleep(1000);
+ }
+ else
+ {
+ logLine(line);
+ }
+ }
+ catch (Exception e)
+ {
+ break;
+ }
+ }
+ }
+}