1 files changed, 47 insertions, 0 deletions

diff --git a/src/OSSupport/HostnameLookup.h b/src/OSSupport/HostnameLookup.h
new file mode 100644
index 000000000..d69f24707
--- /dev/null
+++ b/src/OSSupport/HostnameLookup.h
@@ -0,0 +1,47 @@
+
+// HostnameLookup.h
+
+// Declares the cHostnameLookup class representing an in-progress hostname-to-IP lookup
+
+// This is an internal header, no-one outside OSSupport should need to include it; use Network.h instead
+
+
+
+
+
+#pragma once
+
+#include "Network.h"
+#include <event2/util.h>
+
+
+
+
+
+/** Holds information about an in-progress Hostname-to-IP lookup. */
+class cHostnameLookup
+{
+public:
+	/** Creates the lookup object. Doesn't start the lookup yet. */
+	cHostnameLookup(cNetwork::cResolveNameCallbacksPtr a_Callbacks);
+
+	/** Starts the lookup. */
+	void Lookup(const AString & a_Hostname);
+
+protected:
+
+	/** The callbacks to call for resolved names / errors. */
+	cNetwork::cResolveNameCallbacksPtr m_Callbacks;
+
+	/** The hostname that was queried (needed for the callbacks). */
+	AString m_Hostname;
+
+	static void Callback(int a_ErrCode, struct evutil_addrinfo * a_Addr, void * a_Self);
+};
+typedef SharedPtr<cHostnameLookup> cHostnameLookupPtr;
+typedef std::vector<cHostnameLookupPtr> cHostnameLookupPtrs;
+
+
+
+
+