From e2cfe3154b170f5ed524505c9a86e9308e4f9eb2 Mon Sep 17 00:00:00 2001
From: Babicaa <andrej.babic@psi.ch>
Date: Wed, 14 Nov 2018 17:30:53 +0100
Subject: [PATCH] Add check if file creation was successful

---
 lib/src/H5Writer.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/src/H5Writer.cpp b/lib/src/H5Writer.cpp
index 9899802..768704c 100644
--- a/lib/src/H5Writer.cpp
+++ b/lib/src/H5Writer.cpp
@@ -223,6 +223,15 @@ void H5Writer::create_file(hsize_t frame_chunk)
     #endif
 
     file = H5::H5File(target_filename.c_str(), H5F_ACC_TRUNC);
+
+    if (file.getId() == -1) {
+       stringstream error_message;
+       using namespace date;
+       error_message << "[" << std::chrono::system_clock::now() << "]";
+       error_message << "Cannot create new file with filename " << target_filename << endl;
+
+       throw runtime_error(error_message.str());
+    }
     
     // New file created - set this files chunk number.
     current_frame_chunk = frame_chunk;
@@ -303,4 +312,5 @@ H5::H5File& DummyH5Writer::get_h5_file(){
     error_message << "Cannot get the H5 file with the dummy writer." << endl;
 
     throw runtime_error(error_message.str());
-};
\ No newline at end of file
+};
+