eitscan.h

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/*
 * eitscan.h: EIT scanner
 *
 * See the main source file 'vdr.c' for copyright information and
 * how to reach the author.
 *
 * $Id: eitscan.h 5.1 2024/07/06 11:19:21 kls Exp $
 */
 
#ifndef __EITSCAN_H
#define __EITSCAN_H
 
#include <atomic>
#include <time.h>
#include "channels.h"
#include "config.h"
#include "device.h"
 
class cScanList;
class cTransponderList;
 
class cEITScanner {
private:
  enum { ActivityTimeout = 60,
         ScanTimeout = 20
       };
  bool paused;
  time_t lastScan;
  std::atomic<time_t> lastActivity; // cleared by ForceScan() from the SVDRP thread, read by Active() in the main loop
  int currentChannel;
  cScanList *scanList;
  cTransponderList *transponderList;
public:
  cEITScanner(void);
  ~cEITScanner();
  bool Active(void) { return currentChannel || lastActivity == 0; }
  void AddTransponder(cChannel *Channel);
  void ForceScan(void);
  void Activity(void);
  void Process(void);
  };
 
extern cEITScanner EITScanner;
 
#endif //__EITSCAN_H