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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

[scriptable, builtinclass, uuid(2693457e-3ba5-4455-991f-5350946adb12)]
interface nsINetworkConnectivityService : nsISupports
{
  /**
   * Each tested feature may be in one of 3 states:
   *   UNKNOWN, if a check hasn't been performed.
   *   OK, if the feature was successfully tested
   *   NOT_AVAILABLE, if the feature is blocked by the network.
   *                  Note that the endpoints are guaranteed to support the features.
   */
  cenum ConnectivityState: 8 {
    UNKNOWN             = 0,
    OK                  = 1,
    NOT_AVAILABLE       = 2
  };

  /* If DNS v4/v6 queries actually work on the current network */
  [infallible]
  readonly attribute nsINetworkConnectivityService_ConnectivityState DNSv4;
  [infallible]
  readonly attribute nsINetworkConnectivityService_ConnectivityState DNSv6;

  /* If connecting to IPv4/v6 works on the current network */
  [infallible]
  readonly attribute nsINetworkConnectivityService_ConnectivityState IPv4;
  [infallible]
  readonly attribute nsINetworkConnectivityService_ConnectivityState IPv6;

  /* Starts the DNS request to check for DNS v4/v6 availability */
  void recheckDNS();

  /* Starts HTTP requests over IPv4 and IPv6, and checks if they work */
  void recheckIPConnectivity();
};