#include <System.h>

Collaboration diagram for Hypertable::System:

Static Public Member Functions
static void	initialize (const String &install_directory=String())
	Initializes the static class members; checks header version vs. More...

static String	locate_install_dir (const char *argv0)
	Returns the installation directory. More...

static String	_locate_install_dir (const char *argv0)
	Returns the installation directory; same as locate_install_dir but does not lock ms_mutex. More...

static void	initialize_tm (struct tm *tmval)
	Initialize struct tm. More...

static int32_t	get_processor_count ()
	The processor count. More...

static int32_t	get_pid ()
	The pid of the current process. More...

static int32_t	get_drive_count ()
	Returns the number of drives. More...

static const CpuInfo &	cpu_info ()
	Retrieves updated CPU information (see SystemInfo.h) More...

static const CpuStat &	cpu_stat ()
	Retrieves updated CPU statistics (see SystemInfo.h) More...

static const MemStat &	mem_stat ()
	Retrieves updated Memory statistics (see SystemInfo.h) More...

static const DiskStat &	disk_stat ()
	Retrieves updated Disk statistics (see SystemInfo.h) More...

static const OsInfo &	os_info ()
	Retrieves updated Operating system information (see SystemInfo.h) More...

static const SwapStat &	swap_stat ()
	Retrieves updated Swap statistics (see SystemInfo.h) More...

static const NetInfo &	net_info ()
	Retrieves updated Network information (see SystemInfo.h) More...

static const NetStat &	net_stat ()
	Retrieves updated Network statistics (see SystemInfo.h) More...

static const ProcInfo &	proc_info ()
	Retrieves updated Process information (see SystemInfo.h) More...

static const ProcStat &	proc_stat ()
	Retrieves updated Process statistics (see SystemInfo.h) More...

static const FsStat &	fs_stat ()
	Retrieves updated Filesystem statistics (see SystemInfo.h) More...

static const TermInfo &	term_info ()
	Retrieves updated Terminal information (see SystemInfo.h) More...

static const LoadAvgStat &	loadavg_stat ()
	Retrieves updated Load average statistics (see SystemInfo.h) More...

Static Public Attributes
static String	install_dir
	The installation directory. More...

static std::unique_ptr < ClusterDefinition::ClusterDefinition >	cluster_def
	Cluster definition. More...

static String	exe_name
	The exe file name. More...

static long	tm_gmtoff
	Seconds east of UTC. More...

static String	tm_zone
	Timezone abbreviation. More...

Static Private Member Functions
static void	_init (const String &install_directory)
	Internal initialization helper. More...

Static Private Attributes
static bool	ms_initialized = false
	true if initialize was already called More...

static std::mutex	ms_mutex
	a Mutex to protect the static members More...

Detailed Description

Definition at line 60 of file System.h.

Member Function Documentation

void System::_init ( const String & install_directory )

staticprivate

Internal initialization helper.

Definition at line 73 of file System.cc.

String System::_locate_install_dir ( const char * argv0 )

static

Returns the installation directory; same as locate_install_dir but does not lock ms_mutex.

Parameters

argv0 argv[0] of the main method

Returns: The (presumed) installation directory

Definition at line 55 of file System.cc.

const CpuInfo & Hypertable::System::cpu_info ( )

static

Retrieves updated CPU information (see SystemInfo.h)

Definition at line 322 of file SystemInfo.cc.

const CpuStat & Hypertable::System::cpu_stat ( )

static

Retrieves updated CPU statistics (see SystemInfo.h)

Definition at line 331 of file SystemInfo.cc.

const DiskStat & Hypertable::System::disk_stat ( )

static

Retrieves updated Disk statistics (see SystemInfo.h)

Definition at line 343 of file SystemInfo.cc.

const FsStat & Hypertable::System::fs_stat ( )

static

Retrieves updated Filesystem statistics (see SystemInfo.h)

Definition at line 386 of file SystemInfo.cc.

int32_t System::get_drive_count ( )

static

Returns the number of drives.

Definition at line 111 of file System.cc.

int32_t System::get_pid ( )

static

The pid of the current process.

Definition at line 132 of file System.cc.

int32_t System::get_processor_count ( )

static

The processor count.

Definition at line 103 of file System.cc.

static void Hypertable::System::initialize ( const String & install_directory = String() )

inlinestatic

Initializes the static class members; checks header version vs.

library version, initializes Logging and other stuff.

Must be inlined to do proper version check

Parameters

install_directory Path of the installation directory. If empty then will try to find the installation directory by using argv[0] in combination with some heuristics

Definition at line 72 of file System.h.

void System::initialize_tm ( struct tm * tmval )

static

Initialize struct tm.

Definition at line 94 of file System.cc.

const LoadAvgStat & Hypertable::System::loadavg_stat ( )

static

Retrieves updated Load average statistics (see SystemInfo.h)

Definition at line 335 of file SystemInfo.cc.

String System::locate_install_dir ( const char * argv0 )

static

Returns the installation directory.

Parameters

argv0 argv[0] of the main method

Returns: The (presumed) installation directory

Definition at line 50 of file System.cc.

const MemStat & Hypertable::System::mem_stat ( )

static

Retrieves updated Memory statistics (see SystemInfo.h)

Definition at line 339 of file SystemInfo.cc.

const NetInfo & Hypertable::System::net_info ( )

static

Retrieves updated Network information (see SystemInfo.h)

Definition at line 360 of file SystemInfo.cc.

const NetStat & Hypertable::System::net_stat ( )

static

Retrieves updated Network statistics (see SystemInfo.h)

Definition at line 369 of file SystemInfo.cc.

const OsInfo & Hypertable::System::os_info ( )

static

Retrieves updated Operating system information (see SystemInfo.h)

Definition at line 347 of file SystemInfo.cc.

const ProcInfo & Hypertable::System::proc_info ( )

static

Retrieves updated Process information (see SystemInfo.h)

Definition at line 373 of file SystemInfo.cc.

const ProcStat & Hypertable::System::proc_stat ( )

static

Retrieves updated Process statistics (see SystemInfo.h)

Definition at line 382 of file SystemInfo.cc.

const SwapStat & Hypertable::System::swap_stat ( )

static

Retrieves updated Swap statistics (see SystemInfo.h)

Definition at line 356 of file SystemInfo.cc.

const TermInfo & Hypertable::System::term_info ( )

static

Retrieves updated Terminal information (see SystemInfo.h)

Definition at line 390 of file SystemInfo.cc.

Member Data Documentation

std::unique_ptr< ClusterDefinition::ClusterDefinition > System::cluster_def

static

Cluster definition.

Definition at line 117 of file System.h.

string System::exe_name

static

The exe file name.

Definition at line 120 of file System.h.

string System::install_dir

static

The installation directory.

Definition at line 114 of file System.h.

bool System::ms_initialized = false

staticprivate

true if initialize was already called

Definition at line 184 of file System.h.

mutex System::ms_mutex

staticprivate

a Mutex to protect the static members

Definition at line 187 of file System.h.

long System::tm_gmtoff

static

Seconds east of UTC.

Definition at line 123 of file System.h.

string System::tm_zone

static

Timezone abbreviation.

Definition at line 126 of file System.h.

The documentation for this class was generated from the following files:

/home/doug/src/hypertable/src/cc/Common/System.h
/home/doug/src/hypertable/src/cc/Common/System.cc
/home/doug/src/hypertable/src/cc/Common/SystemInfo.cc

Static Public Member Functions

Static Public Attributes

Static Private Member Functions

Static Private Attributes

Detailed Description

Member Function Documentation

Member Data Documentation