globals.h

Go to the documentation of this file.

/******************************************************************************
 *
 *  This file is part of the Data Logging Service (DLS).
 *
 *  DLS is free software: you can redistribute it and/or modify it under the
 *  terms of the GNU General Public License as published by the Free Software
 *  Foundation, either version 3 of the License, or (at your option) any later
 *  version.
 *
 *  DLS is distributed in the hope that it will be useful, but WITHOUT ANY
 *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 *  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 *  details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with DLS. If not, see <http://www.gnu.org/licenses/>.
 *
 *****************************************************************************/

#ifndef LibDLSGlobalsH
#define LibDLSGlobalsH

/*****************************************************************************/

#include <string>
#include <stdint.h>

/*****************************************************************************/

#define DLS_PID_FILE "dlsd.pid"

#define ENV_DLS_DIR  "DLS_DIR"

#define ENV_DLS_USER "DLS_USER"

/*****************************************************************************/

#ifdef _WIN32

#define DLS_PUBLIC __declspec(dllexport)
#else

#define DLS_PUBLIC
#endif

/*****************************************************************************/

namespace LibDLS {

/*****************************************************************************/

enum ChannelType
{
    TUNKNOWN,
    TCHAR,
    TUCHAR,
    TSHORT,
    TUSHORT,
    TINT,
    TUINT,
    TLINT,
    TULINT,
    TFLT,
    TDBL
};

DLS_PUBLIC ChannelType str_to_channel_type(const std::string &);

DLS_PUBLIC const char *channel_type_to_str(ChannelType);

/*****************************************************************************/

enum MetaType
{
    MetaGen = 0, 
    MetaMean = 1, 
    MetaMin = 2, 
    MetaMax = 4 
};

DLS_PUBLIC std::string meta_type_str(MetaType);

/*****************************************************************************/

struct RealChannel
{
    std::string name; 
    std::string unit; 
    int index; 
    ChannelType type; 
    unsigned int bufsize; 
    unsigned int frequency; 
};

DLS_PUBLIC bool operator<(const RealChannel &a, const RealChannel &b);

/*****************************************************************************/

enum {
   FORMAT_INVALID = -1,
   FORMAT_ZLIB,
   FORMAT_MDCT,
   FORMAT_QUANT,
   FORMAT_COUNT
};

extern const char *format_strings[FORMAT_COUNT];

/*****************************************************************************/

#pragma pack(push, 1)

struct IndexRecord
{
    uint64_t start_time;
    uint64_t end_time;
    uint32_t position;
};

/*****************************************************************************/

struct GlobalIndexRecord
{
    uint64_t start_time;
    uint64_t end_time;
};

/*****************************************************************************/

struct MessageIndexRecord
{
    uint64_t time;
    uint32_t position;
};

/*****************************************************************************/

struct ChannelIndexRecord
{
    uint64_t start_time;
    uint64_t end_time;
};

#pragma pack(pop)

/*****************************************************************************/

enum {
    MSR_PORT = 2345
};

/*****************************************************************************/

typedef void (*LoggingCallback)(const char *, void *);

DLS_PUBLIC void set_logging_callback(LoggingCallback, void *);

DLS_PUBLIC void log(const std::string &);

DLS_PUBLIC std::string convert_to_bin(const void *, unsigned int, int);

/*****************************************************************************/

} // namespace

/*****************************************************************************/

#endif