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// 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;
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