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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set et sw=2 ts=4: */
/* 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/. */
#ifndef NSNOTIFYADDRLISTENER_H_
#define NSNOTIFYADDRLISTENER_H_
#include <windows.h>
#include <winsock2.h>
#include <iptypes.h>
#include "nsINetworkLinkService.h"
#include "nsIRunnable.h"
#include "nsIObserver.h"
#include "nsString.h"
#include "nsTArray.h"
#include "nsThreadUtils.h"
#include "nsThreadPool.h"
#include "nsCOMPtr.h"
#include "mozilla/Atomics.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/Mutex.h"
#include "mozilla/SHA1.h"
#include "mozilla/net/DNS.h"
class nsIThreadPool;
class nsNotifyAddrListener : public nsINetworkLinkService,
public nsIRunnable,
public nsIObserver {
virtual ~nsNotifyAddrListener();
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSINETWORKLINKSERVICE
NS_DECL_NSIRUNNABLE
NS_DECL_NSIOBSERVER
nsNotifyAddrListener();
nsresult Init(void);
void CheckLinkStatus(void);
static void HashSortedNetworkIds(const std::vector<GUID> nwGUIDS,
mozilla::SHA1Sum& sha1);
protected:
bool mLinkUp;
bool mStatusKnown;
bool mCheckAttempted;
nsresult Shutdown(void);
nsresult NotifyObservers(const char* aTopic, const char* aData);
DWORD CheckAdaptersAddresses(void);
// This threadpool only ever holds 1 thread. It is a threadpool and not a
// regular thread so that we may call shutdownWithTimeout on it.
nsCOMPtr<nsIThreadPool> mThread;
private:
// Returns the new timeout period for coalescing (or INFINITE)
DWORD nextCoalesceWaitTime();
// Called for every detected network change
nsresult NetworkChanged();
// Figure out the current network identification
void calculateNetworkId(void);
bool findMac(char* gateway);
mozilla::Mutex mMutex;
nsCString mNetworkId;
nsTArray<nsCString> mDnsSuffixList;
nsTArray<mozilla::net::NetAddr> mDNSResolvers;
HANDLE mCheckEvent;
// set true when mCheckEvent means shutdown
mozilla::Atomic<bool> mShutdown;
// Contains a set of flags that codify the reasons for which
// the platform indicates DNS should be used instead of TRR.
mozilla::Atomic<uint32_t, mozilla::Relaxed> mPlatformDNSIndications;
// This is a checksum of various meta data for all network interfaces
// considered UP at last check.
ULONG mIPInterfaceChecksum;
// start time of the checking
mozilla::TimeStamp mStartTime;
// Flag set while coalescing change events
bool mCoalescingActive;
// Time stamp for first event during coalescing
mozilla::TimeStamp mChangeTime;
};
#endif /* NSNOTIFYADDRLISTENER_H_ */