ipc/ipc_channel_nacl.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef IPC_IPC_CHANNEL_NACL_H_
   6 #define IPC_IPC_CHANNEL_NACL_H_
   7 #pragma once
   8
   9 #include "ipc/ipc_channel.h"
  10 #include "ipc/ipc_channel_reader.h"
  11
  12 namespace IPC {
  13
  14 // Similar to the Posix version of ChannelImpl but for Native Client code.
  15 // This is somewhat different because NaCl's send/recvmsg is slightly different
  16 // and we don't need to worry about complicated set up and READWRITE mode for
  17 // sharing handles.
  18 class Channel::ChannelImpl : public internal::ChannelReader {
  19  public:
  20   ChannelImpl(const IPC::ChannelHandle& channel_handle,
  21               Mode mode,
  22               Listener* listener);
  23   virtual ~ChannelImpl();
  24
  25   // Channel implementation.
  26   bool Connect();
  27   void Close();
  28   bool Send(Message* message);
  29   int GetClientFileDescriptor() const;
  30   int TakeClientFileDescriptor();
  31   bool AcceptsConnections() const;
  32   bool HasAcceptedConnection() const;
  33   bool GetClientEuid(uid_t* client_euid) const;
  34   void ResetToAcceptingConnectionState();
  35   static bool IsNamedServerInitialized(const std::string& channel_id);
  36
  37   virtual ReadState ReadData(char* buffer,
  38                              int buffer_len,
  39                              int* bytes_read) OVERRIDE;
  40   virtual bool WillDispatchInputMessage(Message* msg) OVERRIDE;
  41   virtual bool DidEmptyInputBuffers() OVERRIDE;
  42   virtual void HandleHelloMessage(const Message& msg) OVERRIDE;
  43
  44  private:
  45   DISALLOW_IMPLICIT_CONSTRUCTORS(ChannelImpl);
  46 };
  47
  48 }  // namespace IPC
  49
  50 #endif  // IPC_IPC_CHANNEL_NACL_H_