PingTarget.h

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// PingTarget.h

#include <windows.h>
#include <vector>
#include <iosfwd>

class PingTargets;

class PingTarget
{
public:
  const char* GetName() const { return m_sName.c_str(); }
  const char* GetIpAddr() const;
  in_addr GetInetAddr() const { return m_inetAddr; }
  long GetId() const { return m_lId; }
  USHORT MakeSequence(long sequence) const;
  bool IsResponseAdded() const { return m_bResponseAdded; }
  long GetReceived() const { return m_lReceived; }
  long GetSkipped() const { return m_lSkipped; }
  long GetResponseCount() const { return m_lReceived+m_lSkipped; }
  double GetCurrent() const { return m_dCurrent; }
  double GetMin() const;
  double GetMax() const;
  double GetAvg() const;
  double GetStdDev() const;
  double GetSkippedPercent() const;

  friend std::ostream& operator << (std::ostream& os, const PingTarget& t);
protected:
  PingTarget(PingTargets& targets, const char* name, in_addr inetAddr, long id);
  void AddResponseTime(double ms=-1.0);
  void ClearResponseFlag();

  std::string m_sName;
  in_addr m_inetAddr;
  long m_lId;
  bool m_bResponseAdded;

  long m_lReceived;
  long m_lSkipped;

  double m_dCurrent;
  double m_dMin;
  double m_dMax;
  double m_dSum;
  double m_dSumSquares;

  PingTargets& m_targets;
  friend class PingTargets;
private:
  // Nobody should be allowed to do this
  PingTarget &operator=(PingTarget &);
};

class PingTargets
{
public:
  PingTargets();
  ~PingTargets();
  PingTarget* AddTarget(const char* name);
  bool AddTargets(std::istream& is);
  bool AddTargets(const char* pszFilename);
  long GetMaxTargets() const;
  PingTarget* Get(long id) const;
  bool AddResponse(long id, double ms);
  void ClearResponseFlags();
  void AddUnreachableResponses();
  long GetTargetId(USHORT sequence) const;
  long GetSequence(USHORT sequence) const;
  USHORT MakeSequence(long lId, long lSequence) const;
  long GetMaxSequence() const { return m_lSequenceMax; }

  typedef std::vector<PingTarget*>::const_iterator const_iterator;
  const_iterator begin() const { return m_targets.begin(); }
  const_iterator end() const { return m_targets.end(); }
  size_t size() const { return m_targets.size(); }

  void PrintStatisticsHeader(std::ostream& os, long lConsoleWidth=79) const;
  void PrintStatistics(std::ostream& os, long lConsoleWidth=79) const;
  void PrintLogHeader(std::ostream& os) const;
  void PrintLogCurrent(std::ostream& os, const SYSTEMTIME& systemtime) const;
  enum LOG_FILENAME_TYPE { LOG_FILENAME_PLAIN, LOG_FILENAME_DAILY, LOG_FILENAME_HOURLY };
  bool PrintLogCurrent(const char* pszFilename, const SYSTEMTIME& systemtime,
    LOG_FILENAME_TYPE FilenameType = LOG_FILENAME_PLAIN, bool bNewFile=false) const;
  long GetMaxNameWidth() const { return m_lMaxNameWidth; }

  friend std::ostream& operator << (std::ostream& os, const PingTargets& targets);
protected:
  long m_lIdBits;
  long m_lIdMax;
  long m_lSequenceBits;
  USHORT m_uIdMask;
  USHORT m_uSeqMask;
  long m_lSequenceMax;
  long m_lMaxNameWidth;

  typedef std::vector<PingTarget*>::iterator iterator;
  std::vector<PingTarget*> m_targets;
};

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