From e3c605a796b6f09c6b38a206fd110992ff5d1e4c Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Fri, 28 Sep 2018 16:15:01 +0200
Subject: breakpad: try to write session on crash

---
 src/main.cpp | 29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

(limited to 'src/main.cpp')

diff --git a/src/main.cpp b/src/main.cpp
index f3ddeb9..e7fdcee 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -22,22 +22,34 @@
 #endif
 
 #ifdef BreakpadEnabled
+#ifdef Q_OS_LINUX
 #include <client/linux/handler/exception_handler.h>
 
+// bool filter_callback (void*)
+// --> true: continue processing and write a minidump
+
 static bool dumpCallback(const google_breakpad::MinidumpDescriptor &descriptor, void *context, bool succeeded)
 {
     printf("Dump path: %s\n", descriptor.path());
+
+    if(auto *app = static_cast<Browser *>(context); app != nullptr) {
+        auto session = app->session();
+        QJsonDocument doc(session);
+        QFile sessionFile(QString("%1.json").arg(QString::fromStdString(descriptor.path())));
+        if(sessionFile.open(QIODevice::WriteOnly | QIODevice::Text)) {
+            sessionFile.write(qUtf8Printable(doc.toJson()));
+            sessionFile.flush();
+            sessionFile.close();
+        }
+    }
+
     return succeeded;
 }
+#endif // Q_OS_LINUX
 #endif
 
 int main(int argc, char **argv)
 {
-#ifdef BreakpadEnabled
-    google_breakpad::MinidumpDescriptor descriptor("/tmp");
-    google_breakpad::ExceptionHandler eh(descriptor, NULL, dumpCallback, NULL, true, -1);
-#endif
-
     // a beautiful hack to be able to write to stdout on Windows
 #ifdef _WIN32
     if(AttachConsole(ATTACH_PARENT_PROCESS)) {
@@ -116,6 +128,13 @@ int main(int argc, char **argv)
     // set this, otherwise the webview becomes black when using a stylesheet
     app.setAttribute(Qt::AA_DontCreateNativeWidgetSiblings, true);
 
+#ifdef BreakpadEnabled
+    google_breakpad::MinidumpDescriptor descriptor("/tmp");
+
+    // minidump descriptor, filter callback, minidump callback, callback_context, install handler, server_fd
+    google_breakpad::ExceptionHandler eh(descriptor, nullptr, dumpCallback, &app, true, -1);
+#endif
+
     // translator
     if(config->exists("browser.locale")) {
         auto *translator = new QTranslator(&app);
-- 
cgit v1.2.1