src/eu/alefzero/owncloud/CrashHandler.java

   1 package eu.alefzero.owncloud;
   2
   3 import java.io.BufferedReader;
   4 import java.io.File;
   5 import java.io.FileWriter;
   6 import java.io.InputStreamReader;
   7 import java.io.PrintWriter;
   8 import java.io.StringWriter;
   9 import java.io.Writer;
  10 import java.lang.Thread.UncaughtExceptionHandler;
  11 import java.util.LinkedList;
  12 import java.util.List;
  13
  14 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  15
  16 import android.accounts.Account;
  17 import android.accounts.AccountManager;
  18 import android.content.Context;
  19 import android.net.ConnectivityManager;
  20 import android.os.Environment;
  21 import android.util.Log;
  22
  23 public class CrashHandler implements UncaughtExceptionHandler {
  24
  25     private Context mContext;
  26     private static final String TAG = "CrashHandler";
  27     private static final String crash_filename_template = "crash";
  28     private static List<String> TAGS;
  29     private UncaughtExceptionHandler defaultUEH;
  30
  31     static {
  32         TAGS = new LinkedList<String>();
  33         TAGS.add("AccountAuthenticator");
  34         TAGS.add("AccountAuthenticator");
  35         TAGS.add("ConnectionCheckerRunnable");
  36         TAGS.add("EasySSLSocketFactory");
  37         TAGS.add("FileDataStorageManager");
  38         TAGS.add("PhotoTakenBroadcastReceiver");
  39         TAGS.add("InstantUploadService");
  40         TAGS.add("FileDownloader");
  41         TAGS.add("FileUploader");
  42         TAGS.add("LocationUpdateService");
  43         TAGS.add("FileSyncAdapter");
  44         TAGS.add("AuthActivity");
  45         TAGS.add("OwnCloudPreferences");
  46         TAGS.add("FileDetailFragment");
  47         TAGS.add("FileListFragment");
  48         TAGS.add("ownCloudUploader");
  49         TAGS.add("WebdavClient");
  50     }
  51
  52     public CrashHandler(Context context) {
  53         mContext = context;
  54         defaultUEH = Thread.getDefaultUncaughtExceptionHandler();
  55     }
  56
  57     @Override
  58     public void uncaughtException(Thread thread, Throwable ex) {
  59         final Writer writer = new StringWriter();
  60         final PrintWriter printwriter = new PrintWriter(writer);
  61         ex.printStackTrace(printwriter);
  62         final String startrace = writer.toString();
  63         printwriter.close();
  64         File ocdir = new File(Environment.getExternalStorageDirectory().getAbsoluteFile(), "owncloud");
  65         ocdir.mkdirs();
  66
  67         String crash_filename = crash_filename_template + System.currentTimeMillis() + ".txt";
  68         File crashfile = new File(ocdir, crash_filename);
  69         try {
  70             ConnectivityManager cm = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
  71             String header = String.format("Model: %s, SDK: %d, Current net: %s\n\n",
  72                                           android.os.Build.MODEL,
  73                                           android.os.Build.VERSION.SDK_INT,
  74                                           cm.getActiveNetworkInfo() != null ? cm.getActiveNetworkInfo().getTypeName() : "NONE");
  75             Account account = AccountUtils.getCurrentOwnCloudAccount(mContext);
  76             AccountManager am = AccountManager.get(mContext);
  77             String header2 = String.format("Account: %s, OCUrl: %s, OCVersion: %s\n\n",
  78                                            account.name,
  79                                            am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL),
  80                                            am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
  81
  82             crashfile.createNewFile();
  83             FileWriter fw = new FileWriter(crashfile);
  84             fw.write(header);
  85             fw.write(header2);
  86             fw.write(startrace);
  87             fw.write("\n\n");
  88
  89             String logcat = "logcat -d *:S ";
  90
  91             for (String s : TAGS)
  92                 logcat += s + ":V ";
  93
  94             Process process = Runtime.getRuntime().exec(logcat);
  95             BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));
  96             String logline;
  97             while ((logline = br.readLine()) != null)
  98                 fw.write(logline+"\n");
  99
 100             br.close();
 101             fw.close();
 102
 103         } catch (Exception e1) {
 104             Log.e(TAG, "Crash handler failed to run logcat, WTF!");
 105             defaultUEH.uncaughtException(thread, ex);
 106             return;
 107         }
 108     }
 109 }