src/resolver.hh


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// -*- mode: c++; c-basic-offset: 2; -*-

#ifndef RESOLVER_HH
#define RESOLVER_HH

#include <functional>
#include <string>

class Looper;

class Resolver {
public:
  typedef std::function<void(int fd, bool connected,
                             char const* error)> Callback;

  virtual ~Resolver() {}

  static Resolver* create(Looper* looper, bool delay = false);

  virtual bool setup() = 0;

  virtual void* request(std::string const& host, uint16_t port,
                        Callback const& callback) = 0;
  virtual void cancel(void* ptr) = 0;

protected:
  Resolver() {}
  Resolver(Resolver const&) = delete;
};

#endif  // RESOLVER_HH