Implemented 'Link Layer' based CAM support

ci.h

@@ -0,0 +1,105 @@
+/*
+ * 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