phoenix_system.h File Reference

#include <time.h>
#include <chrono>
#include <ctime>
#include "PPath.h"

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Typedefs
typedef std::chrono::steady_clock	PhoenixClock
typedef std::chrono::nanoseconds	PhoenixNs
typedef std::chrono::time_point< PhoenixClock >	PhoenixTime

Functions
time_t	phoenix_getClock ()
	Get current time. More...
time_t	phoenix_getClockNs ()
	Get current time in nanosecond since the starting of the CPU (steady_clock) More...
double	phoenix_getClockSec ()
	Get current time. More...
PString	phoenix_getDate ()
	Get the current date. More...
PString	phoenix_getDateCompact ()
	Get the current date. More...
short unsigned int	phoenix_getNbColTerminal ()
	Get the number of columns of the terminal. More...
short unsigned int	phoenix_getNbRowTerminal ()
	Get the number of rows of the terminal. More...
time_t	phoenix_getTime ()
	Get the current time of the program. More...
bool	phoenix_popen (const PPath &executionLogFile, const PString &command, bool onlyLogOnFail)
	Execute the given command and returns the output of this command. More...
PString	phoenix_popen (const PString &command)
	Execute the given command and returns the output of this command. More...
int	phoenix_popen (PString &executionLog, const PString &command)
	Execute the given command and returns the output of this command. More...
PString	phoenix_whoami ()
	Get the name of the current user. More...

Typedef Documentation

PhoenixClock

typedef std::chrono::steady_clock PhoenixClock

Definition at line 15 of file phoenix_system.h.

PhoenixNs

typedef std::chrono::nanoseconds PhoenixNs

Definition at line 16 of file phoenix_system.h.

PhoenixTime

typedef std::chrono::time_point<PhoenixClock> PhoenixTime

Definition at line 17 of file phoenix_system.h.

Function Documentation

phoenix_getClock()

time_t phoenix_getClock

(

)

Get current time.

Returns

current time

Definition at line 61 of file phoenix_system.cpp.

                         {
        return clock();
}

Referenced by phoenix_getClockSec(), and testPhoenixSystemTime().

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phoenix_getClockNs()

time_t phoenix_getClockNs

(

)

Get current time in nanosecond since the starting of the CPU (steady_clock)

Returns

current time in nanosecond

Definition at line 68 of file phoenix_system.cpp.

                           {
        std::chrono::time_point<std::chrono::steady_clock> now = std::chrono::steady_clock::now();
        auto duration = now.time_since_epoch();
        auto nanoseconds = std::chrono::duration_cast<std::chrono::nanoseconds>(duration);
        return nanoseconds.count();
        
        
//      return std::chrono::steady_clock::to_time_t(PhoenixClock::now());
        
//      return std::chrono::system_clock::to_time_t((std::chrono::time_point<std::chrono::system_clock>)PhoenixClock::now());
        
        //This compiles, but it does not have the precision I want
//      return std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
}

Referenced by testPhoenixSystemTime().

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phoenix_getClockSec()

double phoenix_getClockSec

(

)

Get current time.

Returns

current time

Definition at line 86 of file phoenix_system.cpp.

                            {
        return ((double)phoenix_getClock())/((double)CLOCKS_PER_SEC);
}

References phoenix_getClock().

Referenced by testPhoenixSystemTime().

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phoenix_getDate()

PString phoenix_getDate

(

)

Get the current date.

Returns

current date

Definition at line 100 of file phoenix_system.cpp.

                         {
        std::time_t currentTime = phoenix_getTime();
        std::tm* now_tm = std::gmtime(&currentTime);
        char buf[42];
        std::strftime(buf, 42, "%Y/%m/%d : %X", now_tm);
        return buf;
}

References phoenix_getTime().

Referenced by PLog::close(), PLog::open(), and testPhoenixSystemTime().

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phoenix_getDateCompact()

PString phoenix_getDateCompact

(

)

Get the current date.

Returns

current date

Definition at line 111 of file phoenix_system.cpp.

                                {
        std::time_t currentTime = phoenix_getTime();
        std::tm* now_tm = std::gmtime(&currentTime);
        char buf[42];
        std::strftime(buf, 42, "%Y/%m/%d-%X", now_tm);
        return buf;
}

References phoenix_getTime().

Referenced by PLog::getLog(), and testPhoenixSystemTime().

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phoenix_getNbColTerminal()

short unsigned int phoenix_getNbColTerminal

(

)

Get the number of columns of the terminal.

Returns

number of columns of the terminal

Definition at line 133 of file phoenix_system.cpp.

                                             {
        struct winsize w;
        ioctl(0, TIOCGWINSZ, &w);
        return w.ws_col;
}

Referenced by testPhoenixSystemTime().

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phoenix_getNbRowTerminal()

short unsigned int phoenix_getNbRowTerminal

(

)

Get the number of rows of the terminal.

Returns

number of rows of the terminal

Definition at line 142 of file phoenix_system.cpp.

                                              {
        struct winsize w;
        ioctl(0, TIOCGWINSZ, &w);
        return w.ws_row;
}

Referenced by testPhoenixSystemTime().

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phoenix_getTime()

time_t phoenix_getTime

(

)

Get the current time of the program.

Returns

current time of the program

Definition at line 93 of file phoenix_system.cpp.

                        {
        return std::time(0);
}

Referenced by PLog::getLog(), phoenix_getDate(), phoenix_getDateCompact(), and testPhoenixSystemTime().

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phoenix_popen() [1/3]

bool phoenix_popen	(	const PPath &	executionLogFile,
		const PString &	command,
		bool	onlyLogOnFail
	)

Execute the given command and returns the output of this command.

Parameters

[out]	executionLogFile	: file which will get output of the given command, empty string if the command is empty or full log on fail
	command	: command to be executed
	onlyLogOnFail	: true to log only if the command fails

Returns

true if the command was successful, false otherwise (in this case, log file will be created)

Definition at line 49 of file phoenix_system.cpp.

                                                                                               {
        PString executionLog("");
        bool b(phoenix_popen(executionLog, command) == 0);
        if((onlyLogOnFail && !b) || !onlyLogOnFail){
                executionLogFile.saveFileContent(executionLog);
        }
        return b;
}

References phoenix_popen(), and PPath::saveFileContent().

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phoenix_popen() [2/3]

PString phoenix_popen

(

const PString &

command

)

Execute the given command and returns the output of this command.

Parameters

command

: command to be executed

Returns

output of the given command, empty string if the command is empty or null character on fail

Definition at line 19 of file phoenix_system.cpp.

                                              {
        if(command == ""){return "";}
        FILE * fp = popen(command.c_str(), "r");
        if(fp == NULL){return "";}
        PString resultCommand(phoenix_getFileContent(fp));
        pclose(fp);
        return resultCommand;
}

References phoenix_getFileContent().

Referenced by checkOptionCompletion(), PPath::getCurrentNodeName(), phoenix_popen(), and testPhoenixPOpen().

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phoenix_popen() [3/3]

int phoenix_popen	(	PString &	executionLog,
		const PString &	command
	)

Execute the given command and returns the output of this command.

Parameters

[out]	executionLog	: output of the given command, empty string if the command is empty or null character on fail
	command	: command to be executed

Returns

exit status of the command

Definition at line 33 of file phoenix_system.cpp.

                                                                  {
        executionLog = "";
        if(command == ""){return -1;}
        FILE * fp = popen(command.c_str(), "r");
        if(fp == NULL){return -1;}
        executionLog = phoenix_getFileContent(fp);
        return pclose(fp);
}

References phoenix_getFileContent().

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phoenix_whoami()

PString phoenix_whoami

(

)

Get the name of the current user.

Returns

name of the current user

Definition at line 122 of file phoenix_system.cpp.

                        {
        std::string str("");
        str.resize(1024lu);
        getlogin_r((char*)str.data(), str.size() - 1lu);
        return str;
}

Referenced by testPhoenixWhoAmI().

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