src/dns/LookupDetails.h

   1 /*
   2  * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 /* DEBUG: section 78    DNS lookups */
  10
  11 #ifndef SQUID_DNS_LOOKUPDETAILS_H
  12 #define SQUID_DNS_LOOKUPDETAILS_H
  13
  14 #include "SquidString.h"
  15
  16 namespace Dns
  17 {
  18
  19 /// encapsulates DNS lookup results
  20 class LookupDetails
  21 {
  22 public:
  23     LookupDetails() : wait(-1) {} ///< no error, no lookup delay (i.e., no lookup)
  24     LookupDetails(const String &anError, int aWait) : error(anError), wait(aWait) {}
  25
  26     std::ostream &print(std::ostream &os) const;
  27
  28 public:
  29     String error; ///< error message for unsuccessful lookups; empty otherwise
  30     int wait; ///< msecs spent waiting for the lookup (if any) or -1 (if none)
  31 };
  32
  33 inline std::ostream &
  34 operator <<(std::ostream &os, const LookupDetails &dns)
  35 {
  36     return dns.print(os);
  37 }
  38
  39 } // namespace Dns
  40
  41 #endif /* SQUID_DNS_LOOKUPDETAILS_H */
  42