chrome/browser/extensions/api/mdns/dns_sd_delegate.h

// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_EXTENSIONS_API_MDNS_DNS_SD_DELEGATE_H_
#define CHROME_BROWSER_EXTENSIONS_API_MDNS_DNS_SD_DELEGATE_H_

#include <string>
#include <vector>

namespace extensions {

struct DnsSdService {
  std::string service_name;
  std::string service_host_port;
  std::string ip_address;
  std::vector<std::string> service_data;

  DnsSdService();
  virtual ~DnsSdService();

  bool operator==(const DnsSdService& other) const {
    return service_name == other.service_name &&
           service_host_port == other.service_host_port &&
           ip_address == other.ip_address &&
           service_data == other.service_data;
  }

  bool operator!=(const DnsSdService& other) const {
    return !(*this == other);
  }
};

// Delegate that is notified when a watched service is added, updated or
// removed.
class DnsSdDelegate {
 public:
  virtual void ServiceChanged(const std::string& service_type,
                              bool added,
                              const DnsSdService& service) = 0;
  virtual void ServiceRemoved(const std::string& service_type,
                              const std::string& service_name) = 0;
  virtual void ServicesFlushed(const std::string& service_type) = 0;
};

}  // namespace extensions

#endif  // CHROME_BROWSER_EXTENSIONS_API_MDNS_DNS_SD_DELEGATE_H_