StunAddrsRequestParent.h

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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/. */

#ifndef mozilla_net_StunAddrsRequestParent_h

#define mozilla_net_StunAddrsRequestParent_h

#include "mozilla/net/PStunAddrsRequestParent.h"

struct MDNSService;

namespace mozilla::net {

class StunAddrsRequestParent : public PStunAddrsRequestParent {

  friend class PStunAddrsRequestParent;

 public:

  StunAddrsRequestParent();

  NS_IMETHOD_(MozExternalRefCountType) AddRef();

  NS_IMETHOD_(MozExternalRefCountType) Release();

  mozilla::ipc::IPCResult Recv__delete__() override;

  void OnQueryComplete(const nsACString& hostname,

                       const Maybe<nsCString>& address);

 protected:

  virtual ~StunAddrsRequestParent();

  virtual mozilla::ipc::IPCResult RecvGetStunAddrs() override;

  virtual mozilla::ipc::IPCResult RecvRegisterMDNSHostname(

      const nsACString& hostname, const nsACString& address) override;

  virtual mozilla::ipc::IPCResult RecvQueryMDNSHostname(

      const nsACString& hostname) override;

  virtual mozilla::ipc::IPCResult RecvUnregisterMDNSHostname(

      const nsACString& hostname) override;

  virtual void ActorDestroy(ActorDestroyReason why) override;

  nsCOMPtr<nsIThread> mMainThread;

  nsCOMPtr<nsISerialEventTarget> mSTSThread;

  void GetStunAddrs_s();

  void SendStunAddrs_m(const NrIceStunAddrArray& addrs);

  void OnQueryComplete_m(const nsACString& hostname,

                         const Maybe<nsCString>& address);

  ThreadSafeAutoRefCnt mRefCnt;

  NS_DECL_OWNINGTHREAD

 private:

  bool mIPCClosed;  // true if IPDL channel has been closed (child crash)

  class MDNSServiceWrapper {

   public:

    explicit MDNSServiceWrapper(const std::string& ifaddr);

    void RegisterHostname(const char* hostname, const char* address);

    void QueryHostname(void* data, const char* hostname);

    void UnregisterHostname(const char* hostname);

    NS_IMETHOD_(MozExternalRefCountType) AddRef();

    NS_IMETHOD_(MozExternalRefCountType) Release();

   protected:

    ThreadSafeAutoRefCnt mRefCnt;

    NS_DECL_OWNINGTHREAD

   private:

    virtual ~MDNSServiceWrapper();

    void StartIfRequired();

    std::string ifaddr;

    MDNSService* mMDNSService = nullptr;

};

  static StaticRefPtr<MDNSServiceWrapper> mSharedMDNSService;

};

}  // namespace mozilla::net

#endif  // mozilla_net_StunAddrsRequestParent_h