48 lines
1008 B
C++
48 lines
1008 B
C++
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// HostnameLookup.h
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// Declares the cHostnameLookup class representing an in-progress hostname-to-IP lookup
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// This is an internal header, no-one outside OSSupport should need to include it; use Network.h instead
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#pragma once
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#include "Network.h"
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#include <event2/util.h>
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/** Holds information about an in-progress Hostname-to-IP lookup. */
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class cHostnameLookup
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{
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public:
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/** Creates the lookup object. Doesn't start the lookup yet. */
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cHostnameLookup(cNetwork::cResolveNameCallbacksPtr a_Callbacks);
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/** Starts the lookup. */
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void Lookup(const AString & a_Hostname);
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protected:
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/** The callbacks to call for resolved names / errors. */
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cNetwork::cResolveNameCallbacksPtr m_Callbacks;
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/** The hostname that was queried (needed for the callbacks). */
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AString m_Hostname;
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static void Callback(int a_ErrCode, struct evutil_addrinfo * a_Addr, void * a_Self);
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};
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typedef SharedPtr<cHostnameLookup> cHostnameLookupPtr;
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typedef std::vector<cHostnameLookupPtr> cHostnameLookupPtrs;
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