UDPSocketChild.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* 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_dom_UDPSocketChild_h__

#define mozilla_dom_UDPSocketChild_h__

#include "mozilla/net/PUDPSocketChild.h"

#include "nsCycleCollectionParticipant.h"

#include "nsCOMPtr.h"

#define UDPSOCKETCHILD_CID                           \

  {                                                  \

    0xb47e5a0f, 0xd384, 0x48ef, {                    \

      0x88, 0x85, 0x42, 0x59, 0x79, 0x3d, 0x9c, 0xf0 \

    }                                                \

class nsIInputStream;

class nsIPrincipal;

class nsIUDPSocketInternal;

namespace mozilla::dom {

class UDPSocketChildBase : public nsISupports {

 public:

  NS_DECL_ISUPPORTS

  void AddIPDLReference();

  void ReleaseIPDLReference();

 protected:

  UDPSocketChildBase();

  virtual ~UDPSocketChildBase();

  nsCOMPtr<nsIUDPSocketInternal> mSocket;

  bool mIPCOpen;

};

class UDPSocketChild : public mozilla::net::PUDPSocketChild,

                       public UDPSocketChildBase {

 public:

  NS_IMETHOD_(MozExternalRefCountType) Release() override;

  UDPSocketChild();

  virtual ~UDPSocketChild();

  uint16_t LocalPort() const { return mLocalPort; }

  // Local address as UTF-8.

  const nsACString& LocalAddress() const { return mLocalAddress; }

  nsresult SetFilterName(const nsACString& aFilterName);

  // Allow hosting this over PBackground instead of PNecko

  nsresult SetBackgroundSpinsEvents();

  // Tell the chrome process to bind the UDP socket to a given local host and

  // port

  nsresult Bind(nsIUDPSocketInternal* aSocket, nsIPrincipal* aPrincipal,

                const nsACString& aHost, uint16_t aPort, bool aAddressReuse,

                bool aLoopback, uint32_t recvBufferSize,

                uint32_t sendBufferSize);

  // Tell the chrome process to connect the UDP socket to a given remote host

  // and port

  void Connect(nsIUDPSocketInternal* aSocket, const nsACString& aHost,

               uint16_t aPort);

  // Send the given data to the given address.

  nsresult SendWithAddress(const NetAddr* aAddr, const uint8_t* aData,

                           uint32_t aByteLength);

  // Send input stream. This must be a buffered stream implementation.

  nsresult SendBinaryStream(const nsACString& aHost, uint16_t aPort,

                            nsIInputStream* aStream);

  void Close();

  // Address and interface are both UTF-8.

  void JoinMulticast(const nsACString& aMulticastAddress,

                     const nsACString& aInterface);

  void LeaveMulticast(const nsACString& aMulticastAddress,

                      const nsACString& aInterface);

  mozilla::ipc::IPCResult RecvCallbackOpened(

      const UDPAddressInfo& aAddressInfo);

  mozilla::ipc::IPCResult RecvCallbackConnected(

      const UDPAddressInfo& aAddressInfo);

  mozilla::ipc::IPCResult RecvCallbackClosed();

  mozilla::ipc::IPCResult RecvCallbackReceivedData(

      const UDPAddressInfo& aAddressInfo, nsTArray<uint8_t>&& aData);

  mozilla::ipc::IPCResult RecvCallbackError(const nsCString& aMessage,

                                            const nsCString& aFilename,

                                            const uint32_t& aLineNumber);

 private:

  nsresult SendDataInternal(const UDPSocketAddr& aAddr, const uint8_t* aData,

                            const uint32_t aByteLength);

  mozilla::ipc::PBackgroundChild* mBackgroundManager;

  uint16_t mLocalPort;

  nsCString mLocalAddress;

  nsCString mFilterName;

};

}  // namespace mozilla::dom

#endif  // !defined(mozilla_dom_UDPSocketChild_h__)