Ginga  0.13.6
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MulticastProvider.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.
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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 MULTICASTPROVIDER_H_
51 #define MULTICASTPROVIDER_H_
52 
53 #include "system/compat/SystemCompat.h"
54 #include "system/compat/PracticalSocket.h"
55 using namespace ::br::pucrio::telemidia::ginga::core::system::compat;
56 
57 #include <iostream>
58 #include <fstream>
59 using namespace std;
60 
61 #include "tuner/providers/IDataProvider.h"
62 
63 namespace br {
64 namespace pucrio {
65 namespace telemidia {
66 namespace ginga {
67 namespace core {
68 namespace tuning {
70  protected:
71  string addr;
72  int portNumber;
73  short capabilities;
74  UDPSocket *udpSocket;
75 
76  public:
77  MulticastProvider(string groupAddr, int port);
79 
80  virtual void setListener(ITProviderListener* listener){};
81  virtual void attachFilter(IFrontendFilter* filter){};
82  virtual void removeFilter(IFrontendFilter* filter){};
83 
84  virtual short getCaps() {
85  return capabilities;
86  };
87 
88  virtual bool tune() {
89  if (callServer() > 0) {
90  return true;
91  }
92 
93  return false;
94  };
95 
96  virtual IChannel* getCurrentChannel() {
97  return NULL;
98  }
99 
100  virtual bool getSTCValue(uint64_t* stc, int* valueType) {
101  return false;
102  }
103 
104  virtual bool changeChannel(int factor) {
105  return false;
106  }
107 
108  bool setChannel(string channelValue) {
109  return false;
110  }
111 
112  virtual int createPesFilter(
113  int pid, int pesType, bool compositeFiler) {
114 
115  return -1;
116  }
117 
118  virtual string getPesFilterOutput() {
119  return "";
120  }
121 
122  virtual void close() {};
123 
124  virtual int callServer();
125  virtual int receiveData(char* buff, int skipSize, unsigned char packetSize);
126  };
127 }
128 }
129 }
130 }
131 }
132 }
133 
134 #endif /*MULTICASTPROVIDER_H_*/