1 files changed, 40 insertions, 0 deletions
diff --git a/src/vm/eventpipejsonfile.h b/src/vm/eventpipejsonfile.h
new file mode 100644
index 0000000000..b6e42def68
--- /dev/null
+++ b/src/vm/eventpipejsonfile.h
@@ -0,0 +1,40 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+
+#ifndef __EVENTPIPE_JSONFILE_H__
+#define __EVENTPIPE_JSONFILE_H__
+
+#include "common.h"
+#include "eventpipe.h"
+#include "fstream.h"
+
+class EventPipeJsonFile
+{
+    public:
+        EventPipeJsonFile(SString &outFilePath);
+        ~EventPipeJsonFile();
+
+        // Write an event with the specified message and stack.
+        void WriteEvent(CommonEventFields &commonFields, SString &message, StackContents &stackContents);
+
+    private:
+
+        // Write a string to the file.
+        void Write(SString &str);
+
+        // Format the input callstack for printing.
+        void FormatCallStack(StackContents &stackContents, SString &resultStr);
+
+        // The output file stream.
+        CFileStream *m_pFileStream;
+
+        // Keep track of if an error has been encountered while writing.
+        bool m_writeErrorEncountered;
+
+        // File-open timestamp for use when calculating event timestamps.
+        LARGE_INTEGER m_fileOpenTimeStamp;
+};
+
+#endif // __EVENTPIPE_JSONFILE_H__