15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef IPC_IPC_LISTENER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define IPC_IPC_LISTENER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "build/build_config.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ipc/ipc_export.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace IPC { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Message; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Implemented by consumers of a Channel to receive messages. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class IPC_EXPORT Listener { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called when a message is received. Returns true iff the message was 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // handled. 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool OnMessageReceived(const Message& message) = 0; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called when the channel is connected and we have received the internal 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Hello message from the peer. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnChannelConnected(int32 peer_pid) {} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called when an error is detected that causes the channel to close. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This method is not called when a channel is closed normally. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnChannelError() {} 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_POSIX) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called on the server side when a channel that listens for connections 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // denies an attempt to connect. 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnChannelDenied() {} 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called on the server side when a channel that listens for connections 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // has an error that causes the listening channel to close. 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnChannelListenError() {} 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // OS_POSIX 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~Listener() {} 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace IPC 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // IPC_IPC_LISTENER_H_ 48