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vdr/ci.h

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/*
* ci.h: Common Interface
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: ci.h 1.1 2003/01/06 12:31:09 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;
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;
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?
public:
cCiCaPmt(int ProgramNumber);
void AddPid(int Pid);
void AddCaDescriptor(int Length, uint8_t *Data);
};
#define MAX_CI_SESSION 16 //XXX
class cCiSession;
class cCiTransportLayer;
class cCiTransportConnection;
class cCiHandler {
private:
cMutex mutex;
int numSlots;
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);
cCiSession *CreateSession(int ResourceId);
bool OpenSession(int Length, const uint8_t *Data);
bool CloseSession(int SessionId);
cCiHandler(int Fd, int NumSlots);
public:
~cCiHandler();
static cCiHandler *CreateCiHandler(const char *FileName);
bool Process(void);
bool EnterMenu(void);
cCiMenu *GetMenu(void);
cCiEnquiry *GetEnquiry(void);
bool SetCaPmt(cCiCaPmt &CaPmt);
bool Reset(void);
};
#endif //__CI_H