AppInfo Class Reference

Contains the run-time information of the application. More...

#include <app_info.h>

Collaboration diagram for AppInfo:

Classes
struct	Data
	Contains the data block that is maintained in shared memory. More...

Public Member Functions
	AppInfo ()
	Initializes the object. More...
bool	Init ()
	Initializes the object and the handling of the application run-time information. More...
bool	is_running () const
	Returns true if the application is running. More...
AppInfo &	Update ()
	Updates the run-time information of the application. More...
double	available_memory () const
	Returns the available memory of the system. More...
double	father_memory () const
	Returns the memory used by the father process. More...
double	child_memory () const
	Returns the memory used by the child process. More...
int	num_threads () const
	Returns the number of active threads. More...
unsigned long	child_time () const
	Returns the time spent by the child process. More...
unsigned long	time () const
	Returns the time spent by the father process. More...
Data *	operator-> () const
	~AppInfo ()

Private Member Functions
string	GetProcStat_ (int pid, int field) const
	Returns a specific field of /proc/<pid>/stat as a string. More...
template<typename TYPE >
TYPE	GetProcStat (int pid, int field) const
	Returns a specific field of /proc/<pid>/stat as a defined type. More...

Private Attributes
int	shmid
	Identifier of the shared memory block. More...
int	lock_file
	Lock file. More...
Data *	data_ptr
	Pointer to the shared memory block. More...
bool	is_running_
	true if the application is running More...
int	num_threads_
	Number of active threads. More...
double	child_memory_
	Memory used by the child process. More...
unsigned long	time_
	Time spent by the father. More...
double	father_memory_
	Memory used by the father process. More...
double	available_memory_
	Available memory in the system. More...
unsigned long	child_time_
	Time spend by the child. More...

Friends
ostream &	operator<< (ostream &out, const AppInfo &app)

Detailed Description

Contains the run-time information of the application.

This class can be printed.

Constructor & Destructor Documentation

AppInfo::AppInfo ( )

inline

Initializes the object.

AppInfo::~AppInfo

(

)

Member Function Documentation

double AppInfo::available_memory ( ) const

inline

Returns the available memory of the system.

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double AppInfo::child_memory ( ) const

inline

Returns the memory used by the child process.

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unsigned long AppInfo::child_time ( ) const

inline

Returns the time spent by the child process.

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double AppInfo::father_memory ( ) const

inline

Returns the memory used by the father process.

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template<typename TYPE >

TYPE AppInfo::GetProcStat ( int  pid, int  field  ) const

inlineprivate

Returns a specific field of /proc/<pid>/stat as a defined type.

string AppInfo::GetProcStat_ ( int  pid, int  field  ) const

private

Returns a specific field of /proc/<pid>/stat as a string.

bool AppInfo::Init

(

)

Initializes the object and the handling of the application run-time information.

Returns

true if successful.

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bool AppInfo::is_running ( ) const

inline

Returns true if the application is running.

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int AppInfo::num_threads ( ) const

inline

Returns the number of active threads.

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Data* AppInfo::operator-> ( ) const

inline

unsigned long AppInfo::time ( ) const

inline

Returns the time spent by the father process.

AppInfo & AppInfo::Update

(

)

Updates the run-time information of the application.

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Friends And Related Function Documentation

ostream& operator<< ( ostream &  out, const AppInfo &  app  )

friend

Member Data Documentation

double AppInfo::available_memory_

private

Available memory in the system.

double AppInfo::child_memory_

private

Memory used by the child process.

unsigned long AppInfo::child_time_

private

Time spend by the child.

Data* AppInfo::data_ptr

private

Pointer to the shared memory block.

double AppInfo::father_memory_

private

Memory used by the father process.

bool AppInfo::is_running_

private

true if the application is running

int AppInfo::lock_file

private

Lock file.

int AppInfo::num_threads_

private

Number of active threads.

int AppInfo::shmid

private

Identifier of the shared memory block.

unsigned long AppInfo::time_

private

Time spent by the father.

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

• app_info.h
• app_info.cc