1 files changed, 35 insertions, 0 deletions
diff --git a/src/vm/eventpipeprotocolhelper.h b/src/vm/eventpipeprotocolhelper.h
new file mode 100644
index 0000000000..fb3f65a247
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+++ b/src/vm/eventpipeprotocolhelper.h
@@ -0,0 +1,35 @@
+// 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_PROTOCOL_HELPER_H__
+#define __EVENTPIPE_PROTOCOL_HELPER_H__
+
+#ifdef FEATURE_PERFTRACING
+
+#include "common.h"
+#include "eventpipe.h"
+
+class IpcStream;
+
+class EventPipeProtocolHelper
+{
+public:
+    // IPC event handlers.
+    static void EnableFileTracingEventHandler(IpcStream *pStream);
+    static void DisableTracingEventHandler(IpcStream *pStream);
+
+private:
+    const static uint32_t DefaultCircularBufferMB = 1024; // 1 GB
+    const static uint64_t DefaultMultiFileTraceLengthInSeconds = 0;
+    const static uint32_t DefaultProfilerSamplingRateInNanoseconds = 1000000;
+
+    //! Read a list of providers: "Provider[,Provider]"
+    //!     Provider:       "(GUID|KnownProviderName)[:Flags[:Level][:KeyValueArgs]]"
+    //!     KeyValueArgs:   "[key1=value1][;key2=value2]"
+    static bool TryParseProviderConfigurations(uint8_t *&bufferCursor, uint32_t &bufferLen, CQuickArray<EventPipeProviderConfiguration> &result);
+};
+
+#endif // FEATURE_PERFTRACING
+
+#endif // __EVENTPIPE_PROTOCOL_HELPER_H__