// Copyright (c) 2010 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.

#include "net/base/network_change_notifier_win.h"

#include <iphlpapi.h>
#include <winsock2.h>

#pragma comment(lib, "iphlpapi.lib")

namespace net {

NetworkChangeNotifierWin::NetworkChangeNotifierWin() {
  memset(&addr_overlapped_, 0, sizeof addr_overlapped_);
  addr_overlapped_.hEvent = WSACreateEvent();
}

NetworkChangeNotifierWin::~NetworkChangeNotifierWin() {
  CancelIPChangeNotify(&addr_overlapped_);
  addr_watcher_.StopWatching();
  WSACloseEvent(addr_overlapped_.hEvent);
}

void NetworkChangeNotifierWin::OnObjectSignaled(HANDLE object) {
  NotifyObserversOfIPAddressChange();

  // Start watching for the next address change.
  WatchForAddressChange();
}

void NetworkChangeNotifierWin::WatchForAddressChange() {
  HANDLE handle = NULL;
  DWORD ret = NotifyAddrChange(&handle, &addr_overlapped_);
  CHECK(ret == ERROR_IO_PENDING);
  addr_watcher_.StartWatching(addr_overlapped_.hEvent, this);
}

}  // namespace net

// Copyright (c) 2010 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.

#include "net/base/network_change_notifier_win.h"

#include <iphlpapi.h>
#include <winsock2.h>

#pragma comment(lib, "iphlpapi.lib")

namespace net {

NetworkChangeNotifierWin::NetworkChangeNotifierWin() {
  memset(&addr_overlapped_, 0, sizeof addr_overlapped_);
  addr_overlapped_.hEvent = WSACreateEvent();
  WatchForAddressChange();
}

NetworkChangeNotifierWin::~NetworkChangeNotifierWin() {
  CancelIPChangeNotify(&addr_overlapped_);
  addr_watcher_.StopWatching();
  WSACloseEvent(addr_overlapped_.hEvent);
}

void NetworkChangeNotifierWin::OnObjectSignaled(HANDLE object) {
  NotifyObserversOfIPAddressChange();

  // Start watching for the next address change.
  WatchForAddressChange();
}

void NetworkChangeNotifierWin::WatchForAddressChange() {
  HANDLE handle = NULL;
  DWORD ret = NotifyAddrChange(&handle, &addr_overlapped_);
  CHECK(ret == ERROR_IO_PENDING);
  addr_watcher_.StartWatching(addr_overlapped_.hEvent, this);
}

}  // namespace net

Fix regression where we didn't ever start watching for network address changes on Windows.
Fix regression where we didn't ever start watching for network address changes on Windows.

BUG=48204
TEST=NetworkChangeNotifier works on Windows
Review URL: http://codereview.chromium.org/2807036

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@51574 0039d316-1c4b-4281-b951-d872f2087c98
