HostAddr.h

/* Copyright (c) 2020 vesoft inc. All rights reserved.
 *
 * This source code is licensed under Apache 2.0 License.
 */
 
#pragma once
 
#include <sstream>
 
#include "common/thrift/ThriftTypes.h"
 
namespace nebula {
 
// Host address type and utility functions
struct HostAddr {
  std::string host;
  Port port;
 
  HostAddr() : host(), port(0) {}
  /*
   * some one may ctor HostAddr this way : HostAddr host(0, 0)
   * C++ will compile this successfully even we don't support an (int, int) ctor
   * so, add an explicit delete ctor
   * */
  HostAddr(int h, int p) = delete;
  HostAddr(std::string h, Port p) : host(std::move(h)), port(p) {}
 
  void clear() {
    host.clear();
    port = 0;
  }
 
  void __clear() {
    clear();
  }
 
  std::string toString() const {
    std::stringstream os;
    os << "\"" << host << "\""
       << ":" << port;
    return os.str();
  }
 
  bool operator==(const HostAddr& rhs) const;
 
  bool operator!=(const HostAddr& rhs) const;
 
  bool operator<(const HostAddr& rhs) const;
};
 
inline std::ostream& operator<<(std::ostream& os, const HostAddr& addr) {
  return os << addr.toString();
}
 
}  // namespace nebula
 
namespace std {
 
// Inject a customized hash function
template <>
struct hash<nebula::HostAddr> {
  std::size_t operator()(const nebula::HostAddr& h) const noexcept;
};
 
}  // namespace std