1 files changed, 49 insertions, 0 deletions

diff --git a/src/OSSupport/IPLookup.h b/src/OSSupport/IPLookup.h
new file mode 100644
index 000000000..af878cbf1
--- /dev/null
+++ b/src/OSSupport/IPLookup.h
@@ -0,0 +1,49 @@
+
+// IPLookup.h
+
+// Declares the cIPLookup class representing an IP-to-hostname lookup in progress.
+
+// This is an internal header, no-one outside OSSupport should need to include it; use Network.h instead
+
+
+
+
+
+#pragma once
+
+#include "Network.h"
+
+
+
+
+
+/** Holds information about an in-progress IP-to-Hostname lookup. */
+class cIPLookup
+{
+public:
+	/** Creates the lookup object. Doesn't start the lookup yet. */
+	cIPLookup(cNetwork::cResolveNameCallbacksPtr a_Callbacks);
+
+	/** Starts the lookup.
+	Returns true if lookup started successfully, false on failure (invalid IP format etc.) */
+	bool Lookup(const AString & a_IP);
+
+protected:
+
+	/** The callbacks to call for resolved names / errors. */
+	cNetwork::cResolveNameCallbacksPtr m_Callbacks;
+
+	/** The IP that was queried (needed for the callbacks). */
+	AString m_IP;
+
+
+	/** Callback that is called by LibEvent when there's an event for the request. */
+	static void Callback(int a_Result, char a_Type, int a_Count, int a_Ttl, void * a_Addresses, void * a_Self);
+};
+typedef SharedPtr<cIPLookup> cIPLookupPtr;
+typedef std::vector<cIPLookupPtr> cIPLookupPtrs;
+
+
+
+
+