Will be redoing the event interface for subscriptions, some work for the wi and crash fixes

common/event_sub.cpp

@@ -0,0 +1,22 @@
+#include "event_sub.h"
+#include <string.h>
+
+void EventSubscriptionWatcher::Subscribe(const std::string &event_name)
+{
+	m_subs[event_name] = 1;
+}
+
+void EventSubscriptionWatcher::Unsubscribe(const std::string &event_name)
+{
+	m_subs[event_name] = 0;
+}
+
+bool EventSubscriptionWatcher::IsSubscribed(const std::string &event_name) const
+{
+	auto iter = m_subs.find(event_name);
+	if (iter != m_subs.end()) {
+		return iter->second;
+	}
+
+	return false;
+}