summaryrefslogtreecommitdiff
path: root/ci.h
blob: 71eccd8df68909494ab8f4d6a6d84d87ba0d6ffa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
/*
 * ci.h: Common Interface
 *
 * See the main source file 'vdr.c' for copyright information and
 * how to reach the author.
 *
 * $Id: ci.h 1.12 2003/12/31 13:49:49 kls Exp $
 */

#ifndef __CI_H
#define __CI_H

#include <stdint.h>
#include <stdio.h>
#include "thread.h"

class cCiMMI;

class cCiMenu {
  friend class cCiMMI;
private:
  enum { MAX_CIMENU_ENTRIES = 64 }; ///< XXX is there a specified maximum?
  cCiMMI *mmi;
  cMutex mutex;
  bool selectable;
  char *titleText;
  char *subTitleText;
  char *bottomText;
  char *entries[MAX_CIMENU_ENTRIES];
  int numEntries;
  bool AddEntry(char *s);
  cCiMenu(cCiMMI *MMI, bool Selectable);
public:
  ~cCiMenu();
  const char *TitleText(void) { return titleText; }
  const char *SubTitleText(void) { return subTitleText; }
  const char *BottomText(void) { return bottomText; }
  const char *Entry(int n) { return n < numEntries ? entries[n] : NULL; }
  int NumEntries(void) { return numEntries; }
  bool Selectable(void) { return selectable; }
  bool Select(int Index);
  bool Cancel(void);
  };

class cCiEnquiry {
  friend class cCiMMI;
private:
  cCiMMI *mmi;
  cMutex mutex;
  char *text;
  bool blind;
  int expectedLength;
  cCiEnquiry(cCiMMI *MMI);
public:
  ~cCiEnquiry();
  const char *Text(void) { return text; }
  bool Blind(void) { return blind; }
  int ExpectedLength(void) { return expectedLength; }
  bool Reply(const char *s);
  bool Cancel(void);
  };

class cCiCaPmt {
  friend class cCiConditionalAccessSupport;
private:
  int length;
  int esInfoLengthPos;
  uint8_t capmt[2048]; ///< XXX is there a specified maximum?
  int caDescriptorsLength;
  uint8_t caDescriptors[2048];
  bool streamFlag;
  void AddCaDescriptors(int Length, const uint8_t *Data);
public:
  cCiCaPmt(int Source, int Transponder, int ProgramNumber, const unsigned short *CaSystemIds);
  bool Valid(void);
  void AddPid(int Pid, uint8_t StreamType);
  };

#define MAX_CI_SESSION  16 //XXX

class cCiSession;
class cCiTransportLayer;
class cCiTransportConnection;

class cCiHandler {
private:
  cMutex mutex;
  int fd;
  int numSlots;
  bool newCaSupport;
  bool hasUserIO;
  cCiSession *sessions[MAX_CI_SESSION];
  cCiTransportLayer *tpl;
  cCiTransportConnection *tc;
  int ResourceIdToInt(const uint8_t *Data);
  bool Send(uint8_t Tag, int SessionId, int ResourceId = 0, int Status = -1);
  cCiSession *GetSessionBySessionId(int SessionId);
  cCiSession *GetSessionByResourceId(int ResourceId, int Slot);
  cCiSession *CreateSession(int ResourceId);
  bool OpenSession(int Length, const uint8_t *Data);
  bool CloseSession(int SessionId);
  int CloseAllSessions(int Slot);
  cCiHandler(int Fd, int NumSlots);
public:
  ~cCiHandler();
  static cCiHandler *CreateCiHandler(const char *FileName);
  int NumSlots(void) { return numSlots; }
  bool Process(void);
  bool HasUserIO(void) { return hasUserIO; }
  bool EnterMenu(int Slot);
  cCiMenu *GetMenu(void);
  cCiEnquiry *GetEnquiry(void);
  const unsigned short *GetCaSystemIds(int Slot);
  bool ProvidesCa(const unsigned short *CaSystemIds); //XXX Slot???
  bool SetCaPmt(cCiCaPmt &CaPmt, int Slot);
  bool Reset(int Slot);
  };

#endif //__CI_H