ipc/netd/Netd.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/ipc/netd/Netd.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,81 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#ifndef mozilla_system_netd_h__
     1.9 +#define mozilla_system_netd_h__
    1.10 +
    1.11 +#include "nsISupportsImpl.h"
    1.12 +#include "nsAutoPtr.h"
    1.13 +#include "base/message_loop.h"
    1.14 +#include "mozilla/FileUtils.h"
    1.15 +
    1.16 +#define MAX_COMMAND_SIZE  4096
    1.17 +
    1.18 +namespace mozilla {
    1.19 +namespace ipc {
    1.20 +
    1.21 +/*
    1.22 + * Represents raw data going to or coming from the Netd socket.
    1.23 + */
    1.24 +struct NetdCommand
    1.25 +{
    1.26 +  uint8_t mData[MAX_COMMAND_SIZE];
    1.27 +
    1.28 +  // Number of octets in mData.
    1.29 +  size_t mSize;
    1.30 +};
    1.31 +
    1.32 +class NetdConsumer
    1.33 +{
    1.34 +protected:
    1.35 +  virtual ~NetdConsumer() { }
    1.36 +
    1.37 +public:
    1.38 +  NS_INLINE_DECL_REFCOUNTING(NetdConsumer)
    1.39 +
    1.40 +  virtual void MessageReceived(NetdCommand* aMessage) = 0;
    1.41 +};
    1.42 +
    1.43 +class NetdWriteTask : public Task
    1.44 +{
    1.45 +  virtual void Run();
    1.46 +};
    1.47 +
    1.48 +class NetdClient : public MessageLoopForIO::LineWatcher
    1.49 +{
    1.50 +  virtual ~NetdClient();
    1.51 +
    1.52 +public:
    1.53 +  NS_INLINE_DECL_REFCOUNTING(NetdClient)
    1.54 +  typedef std::queue<NetdCommand*> NetdCommandQueue;
    1.55 +
    1.56 +  NetdClient();
    1.57 +  static void Start();
    1.58 +  static void SendNetdCommandIOThread(NetdCommand* aMessage);
    1.59 +
    1.60 +private:
    1.61 +  void WriteNetdCommand();
    1.62 +  virtual void OnError();
    1.63 +  virtual void OnLineRead(int aFd, nsDependentCSubstring& aMessage);
    1.64 +  virtual void OnFileCanWriteWithoutBlocking(int aFd);
    1.65 +  bool OpenSocket();
    1.66 +
    1.67 +  MessageLoopForIO *mIOLoop;
    1.68 +  MessageLoopForIO::FileDescriptorWatcher mReadWatcher;
    1.69 +  MessageLoopForIO::FileDescriptorWatcher mWriteWatcher;
    1.70 +  ScopedClose mSocket;
    1.71 +  NetdCommandQueue mOutgoingQ;
    1.72 +  nsAutoPtr<NetdCommand> mCurrentNetdCommand;
    1.73 +  size_t mCurrentWriteOffset;
    1.74 +  size_t mReConnectTimes;
    1.75 +};
    1.76 +
    1.77 +void StartNetd(NetdConsumer *);
    1.78 +void StopNetd();
    1.79 +void SendNetdCommand(NetdCommand *);
    1.80 +
    1.81 +} // namespace ipc
    1.82 +} // namespace mozilla
    1.83 +
    1.84 +#endif  // mozilla_system_netd_h__

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