Ginga  0.13.6
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DeviceDomain.h
1 /******************************************************************************
2 Este arquivo eh parte da implementacao do ambiente declarativo do middleware
3 Ginga (Ginga-NCL).
4 
5 Direitos Autorais Reservados (c) 1989-2007 PUC-Rio/Laboratorio TeleMidia
6 
7 Este programa eh software livre; voce pode redistribui-lo e/ou modificah-lo sob
8 os termos da Licenca Publica Geral GNU versao 2 conforme publicada pela Free
9 Software Foundation.
10 
11 Este programa eh distribuido na expectativa de que seja util, porem, SEM
12 NENHUMA GARANTIA; nem mesmo a garantia implicita de COMERCIABILIDADE OU
13 ADEQUACAO A UMA FINALIDADE ESPECIFICA. Consulte a Licenca Publica Geral do
14 GNU versao 2 para mais detalhes.
15 
16 Voce deve ter recebido uma copia da Licenca Publica Geral do GNU versao 2 junto
17 com este programa; se nao, escreva para a Free Software Foundation, Inc., no
18 endereco 59 Temple Street, Suite 330, Boston, MA 02111-1307 USA.
19 
20 Para maiores informacoes:
21 ncl @ telemidia.puc-rio.br
22 http://www.ncl.org.br
23 http://www.ginga.org.br
24 http://www.telemidia.puc-rio.br
25 ******************************************************************************
26 This file is part of the declarative environment of middleware Ginga (Ginga-NCL)
27 
28 Copyright: 1989-2007 PUC-RIO/LABORATORIO TELEMIDIA, All Rights Reserved.
29 
30 This program is free software; you can redistribute it and/or modify it under
31 the terms of the GNU General Public License version 2 as published by
32 the Free Software Foundation.
33 
34 This program is distributed in the hope that it will be useful, but WITHOUT ANY
35 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
36 PARTICULAR PURPOSE. See the GNU General Public License version 2 for more
37 details.
38 
39 You should have received a copy of the GNU General Public License version 2
40 along with this program; if not, write to the Free Software
41 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
42 
43 For further information contact:
44 ncl @ telemidia.puc-rio.br
45 http://www.ncl.org.br
46 http://www.ginga.org.br
47 http://www.telemidia.puc-rio.br
48 *******************************************************************************/
49 
50 #ifndef _DeviceDomain_H_
51 #define _DeviceDomain_H_
52 
53 #include "network/ISocketService.h"
54 #include "network/BroadcastSocketService.h"
55 #include "network/MulticastSocketService.h"
56 #include "network/NetworkUtil.h"
57 #include "device/IDeviceService.h"
58 #include "RemoteEventService.h"
59 #include "IDeviceDomain.h"
60 
61 namespace br {
62 namespace pucrio {
63 namespace telemidia {
64 namespace ginga {
65 namespace core {
66 namespace multidevice {
67  class DeviceDomain : public IDeviceDomain {
68  protected:
69  static char headerStream[HEADER_SIZE];
70  static char* mdFrame;
71 
72  static unsigned int myIP;
73  static bool taskIndicationFlag;
74 
75  IDeviceService* deviceService;
76  ISocketService* broadcastService;
77  RemoteEventService* res;
78 
79  unsigned int sourceIp;
80  int bytesRecv;
81  int deviceClass;
82  int deviceWidth;
83  int deviceHeight;
84  int destClass;
85  int frameType;
86  int schedulePost;
87  int schedDevClass;
88  double receivedTimeStamp;
89  double sentTimeStamp;
90  unsigned int frameSize;
91  bool connected;
92  bool newAnswerPosted;
93  bool enableMulticast;
94  int servicePort;
95  string base_device_ncl_path;
96 
97  public:
98  DeviceDomain(bool useMulticast, int srvPort);
99  virtual ~DeviceDomain();
100 
101  bool isConnected();
102 
103  protected:
104  void clearHeader();
105  bool broadcastTaskRequest(char* data, int taskSize);
106  virtual bool taskRequest(int destDevClass, char* data, int taskSize)=0;
107  virtual bool passiveTaskRequest(char* data, int taskSize)=0;
108  virtual bool activeTaskRequest(char* data, int taskSize)=0;
109  char* taskReceive();
110  void parseTaskHeader();
111  void printTaskHeader();
112  bool addDevice(int reqDeviceClass, int width, int height, int srvPort);
113 
114  public:
115  void postConnectionRequestTask();
116 
117  protected:
118  virtual void postConnectionRequestTask(int width, int height)=0;
119  virtual void receiveConnectionRequest(char* task)=0;
120  virtual void postAnswerTask(int reqDeviceClass, int answer)=0;
121  virtual void receiveAnswerTask(char* answerTask)=0;
122 
123  public:
124  virtual bool postMediaContentTask(int destDevClass, string url)=0;
125 
126  protected:
127  virtual bool receiveMediaContentTask(char* task)=0;
128 
129  public:
130  void postEventTask(
131  int destDevClass,
132  int frameType,
133  char* payload,
134  int payloadSize);
135 
136  protected:
137  virtual bool receiveEventTask(char* task)=0;
138 
139  public:
140  virtual void setDeviceInfo(int width, int height,string base_device_ncl_path);
141  int getDeviceClass();
142 
143  protected:
144  virtual bool runControlTask()=0;
145  virtual bool runDataTask()=0;
146 
147  public:
148  virtual void checkDomainTasks();
149  virtual void addDeviceListener(IRemoteDeviceListener* listener);
150  virtual void removeDeviceListener(IRemoteDeviceListener* listener);
151  };
152 }
153 }
154 }
155 }
156 }
157 }
158 
159 #endif /*_IDeviceDomain_H_*/
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