nsServerSocket.h - mozsearch

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/* vim:set ts=2 sw=2 et cindent: */

/* 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 nsServerSocket_h__

#define nsServerSocket_h__

#include "prio.h"

#include "nsASocketHandler.h"

#include "nsCOMPtr.h"

#include "nsIServerSocket.h"

#include "mozilla/Mutex.h"

//-----------------------------------------------------------------------------

class nsIEventTarget;

namespace mozilla {

namespace net {

union NetAddr;

class nsServerSocket : public nsASocketHandler, public nsIServerSocket {

 public:

  NS_DECL_THREADSAFE_ISUPPORTS

  NS_DECL_NSISERVERSOCKET

  // nsASocketHandler methods:

  virtual void OnSocketReady(PRFileDesc* fd, int16_t outFlags) override;

  virtual void OnSocketDetached(PRFileDesc* fd) override;

  virtual void IsLocal(bool* aIsLocal) override;

  virtual void KeepWhenOffline(bool* aKeepWhenOffline) override;

  virtual uint64_t ByteCountSent() override { return 0; }

  virtual uint64_t ByteCountReceived() override { return 0; }

  nsServerSocket();

  virtual void CreateClientTransport(PRFileDesc* clientFD,

                                     const mozilla::net::NetAddr& clientAddr);

  virtual nsresult SetSocketDefaults() { return NS_OK; }

  virtual nsresult OnSocketListen() { return NS_OK; }

 protected:

  virtual ~nsServerSocket();

  PRFileDesc* mFD{nullptr};

  nsCOMPtr<nsIServerSocketListener> mListener;

 private:

  void OnMsgClose();

  void OnMsgAttach();

  // try attaching our socket (mFD) to the STS's poll list.

  nsresult TryAttach();

  nsresult InitWithAddressInternal(const PRNetAddr* aAddr, int32_t aBackLog,

                                   bool aDualStack = false);

  // lock protects access to mListener; so it is not cleared while being used.

  mozilla::Mutex mLock MOZ_UNANNOTATED{"nsServerSocket.mLock"};

  PRNetAddr mAddr = {.raw = {0, {0}}};

  nsCOMPtr<nsIEventTarget> mListenerTarget;

  bool mAttached{false};

  bool mKeepWhenOffline{false};

};

}  // namespace net

}  // namespace mozilla

//-----------------------------------------------------------------------------

#endif  // nsServerSocket_h__