zoneminder/src/zm_config.h.in

//
// ZoneMinder Configuration, $Date$, $Revision$
// Copyright (C) 2001-2008 Philip Coombes
// 
// This program 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 2
// of the License, or (at your option) any later version.
// 
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
// 

#ifndef ZM_CONFIG_H
#define ZM_CONFIG_H

#include "config.h"
#include "zm_config_defines.h"

#include <string>

#define ZM_CONFIG        "@ZM_CONFIG@"  // Path to config file
#define ZM_VERSION        "@VERSION@"  // ZoneMinder Version

#define ZM_HAS_V4L1       @ZM_HAS_V4L1@
#define ZM_HAS_V4L2       @ZM_HAS_V4L2@
#define ZM_HAS_V4L        @ZM_HAS_V4L@

#ifdef HAVE_LIBAVFORMAT
#define ZM_HAS_FFMPEG       1
#endif // HAVE_LIBAVFORMAT

#define ZM_MAX_IMAGE_WIDTH    2048        // The largest image we imagine ever handling
#define ZM_MAX_IMAGE_HEIGHT    1536        // The largest image we imagine ever handling
#define ZM_MAX_IMAGE_COLOURS    4        // The largest image we imagine ever handling
#define ZM_MAX_IMAGE_DIM    (ZM_MAX_IMAGE_WIDTH*ZM_MAX_IMAGE_HEIGHT)
#define ZM_MAX_IMAGE_SIZE    (ZM_MAX_IMAGE_DIM*ZM_MAX_IMAGE_COLOURS)

#define ZM_SCALE_BASE      100          // The factor by which we bump up 'scale' to simulate FP
#define ZM_RATE_BASE      100          // The factor by which we bump up 'rate' to simulate FP

#define ZM_SQL_BATCH_SIZE     50          // Limit the size of multi-row SQL statements
#define ZM_SQL_SML_BUFSIZ     256         // Size of SQL buffer
#define ZM_SQL_MED_BUFSIZ     1024        // Size of SQL buffer
#define ZM_SQL_LGE_BUFSIZ     8192        // Size of SQL buffer

#define ZM_NETWORK_BUFSIZ     32768         // Size of network buffer

#define ZM_MAX_FPS        30          // The maximum frame rate we expect to handle
#define ZM_SAMPLE_RATE      int(1000000/ZM_MAX_FPS) // A general nyquist sample frequency for delays etc
#define ZM_SUSPENDED_RATE     int(1000000/4) // A slower rate for when disabled etc

extern void zmLoadConfig();

struct StaticConfig
{
  std::string DB_HOST;
  std::string DB_NAME;
  std::string DB_USER;
  std::string DB_PASS;
  std::string PATH_WEB;
  std::string SERVER_NAME;
  unsigned int SERVER_ID;
};

extern StaticConfig staticConfig;

class ConfigItem
{
private:
  char *name;
  char *value;
  char *type;

  mutable enum { CFG_BOOLEAN, CFG_INTEGER, CFG_DECIMAL, CFG_STRING } cfg_type;
  mutable union
  {
    bool boolean_value;
    int integer_value;
    double decimal_value;
    char *string_value;
  } cfg_value;
  mutable bool accessed;

public:
  ConfigItem( const char *p_name, const char *p_value, const char *const p_type );
  ~ConfigItem();
  void ConvertValue() const;
  bool BooleanValue() const;
  int IntegerValue() const;
  double DecimalValue() const;
  const char *StringValue() const;

  inline operator bool() const
  {
    return( BooleanValue() );
  }
  inline operator int() const
  {
    return( IntegerValue() );
  }
  inline operator double() const
  {
    return( DecimalValue() );
  }
  inline operator const char *() const
  {
    return( StringValue() );
  }
};

class Config
{
public:
  ZM_CFG_DECLARE_LIST

private:
  int n_items;
  ConfigItem **items;

public:
  Config();
  ~Config();

  void Load();
  void Assign();
  const ConfigItem &Item( int id );
};

extern Config config;

#endif // ZM_CONFIG_H