1 files changed, 25 insertions, 0 deletions
diff --git a/agents/virt/include/history.h b/agents/virt/include/history.h
new file mode 100644
index 0000000..3d28518
--- /dev/null
+++ b/agents/virt/include/history.h
@@ -0,0 +1,25 @@
+#ifndef _HISTORY_H
+#define _HISTORY_H
+
+typedef struct _history_node {
+	list_head();
+	void *data;
+	time_t when;
+} history_node;
+
+typedef int (*history_compare_fn)(void *, void *);
+
+typedef struct _history_info {
+	history_node *hist;
+	history_compare_fn compare_func;
+	time_t timeout;
+	size_t element_size;
+} history_info_t;
+
+history_info_t *history_init(history_compare_fn func,
+			     time_t expiration, size_t element_size);
+int history_check(history_info_t *hinfo, void *stuff);
+int history_record(history_info_t *hinfo, void *data);
+int history_wipe(history_info_t *hinfo);
+
+#endif