Began re-architecting the project for concurrency support

The project is now in a state where it builds, but it probably has a lot
of bugs still.

1 files changed, 54 insertions, 0 deletions

diff --git a/include/framework/Configuration.h b/include/framework/Configuration.h
new file mode 100644
index 0000000..eb9b93f
--- /dev/null
+++ b/include/framework/Configuration.h
@@ -0,0 +1,54 @@
+/*
+ * include/framework/DynamicExtension.h
+ *
+ * Copyright (C) 2023 Douglas Rumbaugh <drumbaugh@psu.edu> 
+ *                    Dong Xie <dongx@psu.edu>
+ *
+ * All rights reserved. Published under the Modified BSD License.
+ *
+ */
+#pragma once
+
+#include <atomic>
+#include <numeric>
+#include <cstdio>
+#include <vector>
+
+#include "psu-util/timer.h"
+#include "psu-ds/Alias.h"
+
+namespace de {
+
+thread_local size_t sampling_attempts = 0;
+thread_local size_t sampling_rejections = 0;
+thread_local size_t deletion_rejections = 0;
+thread_local size_t bounds_rejections = 0;
+thread_local size_t tombstone_rejections = 0;
+thread_local size_t buffer_rejections = 0;
+
+/*
+ * thread_local size_t various_sampling_times go here.
+ */
+thread_local size_t sample_range_time = 0;
+thread_local size_t alias_time = 0;
+thread_local size_t alias_query_time = 0;
+thread_local size_t rejection_check_time = 0;
+thread_local size_t buffer_sample_time = 0;
+thread_local size_t memlevel_sample_time = 0;
+thread_local size_t disklevel_sample_time = 0;
+thread_local size_t sampling_bailouts = 0;
+
+
+enum class LayoutPolicy {
+    LEVELING,
+    TEIRING
+};
+
+enum class DeletePolicy {
+    TOMBSTONE,
+    TAGGING
+};
+
+typedef ssize_t level_index;
+
+}