source: fact/Evidence/Evidence.h@ 18088

#ifndef EVIDENCE_H_SEEN
#define EVIDENCE_H_SEEN

#include <stdio.h>
#include <stdarg.h>
#include <string>
#include <sstream>
#include <iomanip>
#include <errno.h>
#include <vector>
#include <map>
#include <set>
#include <limits>

#include <exception>
#include <cxxabi.h>

#include "dis.hxx"
#include "dic.hxx"

#define NO_LINK (char *) "__&DIM&NOLINK&__" // Data if no link available
#define EVIDENCE_REVISION "$Revision: 14189 $"

void ConfigChanged();

// Class declation of Evidence server
class EvidenceServer: public DimServer {

        // Internal class for configuration requests
        class Config: public DimInfo, public DimCommand, public DimRpcInfo {

                DimInfo *Service;

                void rpcInfoHandler();
                void commandHandler();
                void infoHandler();

          public:
                Config();
                ~Config();

                int ConfigTimeStamp;
                std::string CurrentItem;
        };

        struct Item {
          std::string Value;
          int Time;
        };
        std::map<std::string, struct Item> List;

        struct Message {
      int Severity;
          char Text[];
        };

        std::string Name;
    DimService *MessageService;
        struct Message *MessageData;
        class Config *ConfClass;
        static pthread_mutex_t Mutex;
        static EvidenceServer *This;
        bool LocalMode;
        pid_t ChildPID;

    static void SignalHandler(int); // static for signal()
    static void Terminate();            // static for set_terminate()
        virtual void errorHandler(int, int, char *);
        virtual void exitHandler(int);
    static void CallConfigChanged();    // static for phread_create()

  public:
    EvidenceServer(std::string);
        ~EvidenceServer();

        enum {INFO=0, WARN=10, ERROR=20, FATAL=30};

        void Message(int, const char *, ...);
        static void SendToLog(const char *, ...);
        std::string GetConfig(std::string, std::string = std::string());
        virtual void ConfigChanged() {};
        static void Lock();
        static void Unlock();
        static std::string ToString(char *, const void *, int);
        static bool ServiceOK(DimInfo *);
        static bool ServiceOK(DimRpcInfo *);
        static bool ServiceOK(DimCurrentInfo *);
        static std::vector<std::string> Tokenize(const std::string &, const std::string & = " ");

    bool ExitRequest;
};

// Class declaration of EvidenceHistory
class EvidenceHistory {

  public:  
        struct Item {
          int Time;
          int Size;
          char Data[]; // Size bytes follow
        } __attribute__((packed));

        static const struct Item WrapMark;
        static const struct Item EndMark;

  private:
        std::string Name;
        char *Buffer;
        int BufferSize;
        char *DataStart;
        struct Item *Pointer;
        
  public:
        EvidenceHistory(std::string);
        ~EvidenceHistory();     

        bool GetHistory();
        char *GetFormat();
        const struct Item *Next();
        void Rewind();
};
#endif