1 files changed, 48 insertions, 0 deletions

diff --git a/app/src/main/java/org/pacien/tincapp/context/CrashRecorder.kt b/app/src/main/java/org/pacien/tincapp/context/CrashRecorder.kt
new file mode 100644
index 0000000..d0310c2
--- /dev/null
+++ b/app/src/main/java/org/pacien/tincapp/context/CrashRecorder.kt
@@ -0,0 +1,48 @@
+/*
+ * Tinc App, an Android binding and user interface for the tinc mesh VPN daemon
+ * Copyright (C) 2017-2018 Pacien TRAN-GIRARD
+ *
+ * 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 3 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, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.pacien.tincapp.context
+
+import org.slf4j.Logger
+
+/**
+ * @author pacien
+ */
+class CrashRecorder(private val logger: Logger,
+                    private val upstreamCrashHandler: Thread.UncaughtExceptionHandler) : Thread.UncaughtExceptionHandler {
+
+  companion object {
+    private val flagFile = AppPaths.crashFlagFile()
+
+    fun hasPreviouslyCrashed() = flagFile.exists()
+
+    fun flagCrash() {
+      flagFile.apply { if (!exists()) createNewFile() }
+    }
+
+    fun dismissPreviousCrash() {
+      flagFile.delete()
+    }
+  }
+
+  override fun uncaughtException(thread: Thread, throwable: Throwable) {
+    logger.error("Fatal application error.", throwable)
+    flagCrash()
+    upstreamCrashHandler.uncaughtException(thread, throwable)
+  }
+}