Typedefs
typedef long long int	num
Functions
void	cDiv (std::ostringstream *out)
int	gettimesinceboot ()
void	mDiv (std::ostringstream *out, std::string name, std::string value)
void	mDiv (std::ostringstream *out, std::string name, unsigned int value)
void	mDiv (std::ostringstream *out, std::string name)
void	printchar (const char *name, char x)
void	printone (const char *name, num x)
void	printonex (const char *name, num x)
void	printstr (const char name, char x)
void	printtime (const char *name, num x)
void	printtimediff (const char *name, num x)
void	printunsigned (const char *name, unsigned long long x)
void	procStat (std::ostringstream *out)
void	readchar (char *x)
void	readone (num *x)
void	readstr (char *x)
void	readunsigned (unsigned long long *x)
void	uptime (std::ostringstream *out)
Variables
num	blocked
num	cmaj_flt
num	cmin_flt
num	cpu
num	cstime
num	cutime
num	eip
num	end_code
num	esp
num	exit_signal
num	flags
FILE *	input
num	it_real_value
num	maj_flt
num	min_flt
num	nicev
num	num_threads
char	obuf [4096]
num	pending
num	pgid
num	pid
num	policy
num	ppid
num	priority
num	rss
num	rsslim
num	rt_priority
num	sid
num	sigcatch
num	sigign
num	start_code
num	start_stack
unsigned long long	start_time
char	state
num	stimev
char	tcomm [FILENAME_MAX]
long	tickspersec
num	tty_nr
num	tty_pgrp
num	utime
num	vsize
num	wchan
num	zero1
num	zero2

Typedef Documentation

typedef long long int evf::utils::num

Definition at line 71 of file procUtils.cc.

Function Documentation

void evf::utils::cDiv ( std::ostringstream * out )

Definition at line 338 of file procUtils.cc.

Referenced by evf::FUEventProcessor::makeStaticInfo(), mDiv(), and evf::FUEventProcessor::updater().

                                    {
      *out << "</div>";
    }

int evf::utils::gettimesinceboot ( )

Definition at line 137 of file procUtils.cc.

References tickspersec.

Referenced by printtimediff().

                           {
      FILE *procuptime;
      int sec, ssec;
      
      procuptime = fopen("/proc/uptime", "r");
      fscanf(procuptime, "%d.%ds", &sec, &ssec);
      fclose(procuptime);
      return (sec*tickspersec)+ssec;
    }

void evf::utils::mDiv	(	std::ostringstream *	out,
		std::string	name,
		std::string	value
	)

Definition at line 341 of file procUtils.cc.

References cDiv(), mDiv(), and relativeConstraints::value.

                                                                     {
      mDiv(out,name);
      *out << value;
      cDiv(out);
    }

void evf::utils::mDiv	(	std::ostringstream *	out,
		std::string	name,
		unsigned int	value
	)

Definition at line 346 of file procUtils.cc.

References cDiv(), mDiv(), and relativeConstraints::value.

                                                                        {
      mDiv(out,name);
      *out << value;
      cDiv(out);
    }

void evf::utils::mDiv	(	std::ostringstream *	out,
		std::string	name
	)

Definition at line 335 of file procUtils.cc.

Referenced by evf::FUEventProcessor::makeStaticInfo(), mDiv(), and evf::FUEventProcessor::updater().

                                                    {
      *out << "<div id=\"" << name << "\">";
    }

void evf::utils::printchar	(	const char *	name,
		char	x
	)

Definition at line 133 of file procUtils.cc.

References obuf.

Referenced by procStat().

{  sprintf(obuf,"%20s: %c\n", name, x);}

void evf::utils::printone	(	const char *	name,
		num	x
	)

Definition at line 130 of file procUtils.cc.

References obuf.

Referenced by procStat().

{  sprintf(obuf,"%20s: %lld\n", name, x);}

void evf::utils::printonex	(	const char *	name,
		num	x
	)

Definition at line 131 of file procUtils.cc.

References obuf.

Referenced by procStat().

{  sprintf(obuf,"%20s: %016llx\n", name, x);}

void evf::utils::printstr	(	const char *	name,
		char *	x
	)

Definition at line 134 of file procUtils.cc.

References obuf.

Referenced by procStat().

{  sprintf(obuf,"%20s: %s\n", name, x);}

void evf::utils::printtime	(	const char *	name,
		num	x
	)

Definition at line 135 of file procUtils.cc.

References obuf, and tickspersec.

Referenced by procStat().

{  sprintf(obuf,"%20s: %f\n", name, (((double)x) / tickspersec));}

void evf::utils::printtimediff	(	const char *	name,
		num	x
	)

Definition at line 147 of file procUtils.cc.

References gettimesinceboot(), NULL, obuf, tickspersec, cond::rpcobgas::time, and x.

Referenced by procStat().

                                                {
      int sinceboot = gettimesinceboot();
      int running = sinceboot - x;
      time_t rt = time(NULL) - (running / tickspersec);
      char buf[1024];
      
      strftime(buf, sizeof(buf), "%m.%d %H:%M", localtime(&rt));
      sprintf(obuf,"%20s: %s (%lu.%lus)\n", name, buf, running / tickspersec, running % tickspersec);
    }

void evf::utils::printunsigned	(	const char *	name,
		unsigned long long	x
	)

Definition at line 132 of file procUtils.cc.

References obuf.

{  sprintf(obuf,"%20s: %llu\n", name, x);}

void evf::utils::procStat ( std::ostringstream * out )

Definition at line 157 of file procUtils.cc.

References blocked, cmaj_flt, cmin_flt, cpu, cstime, cutime, eip, end_code, esp, exit_signal, flags, input, it_real_value, maj_flt, min_flt, nicev, NULL, num_threads, obuf, pending, pgid, pid, policy, ppid, printchar(), printone(), printonex(), printstr(), printtime(), printtimediff(), priority, readchar(), readone(), readstr(), readunsigned(), rss, rsslim, rt_priority, sid, sigcatch, sigign, start_code, start_stack, start_time, stimev, tcomm, tickspersec, tty_nr, tty_pgrp, utime, vsize, wchan, zero1, and zero2.

                                         {
      tickspersec = sysconf(_SC_CLK_TCK);
      input = NULL;
      
      std::ostringstream ost; 
      ost << "/proc/" << getpid() << "/stat";
      input = fopen(ost.str().c_str(), "r");
      

      readone(&pid);
      readstr(tcomm);
      readchar(&state);
      readone(&ppid);
      readone(&pgid);
      readone(&sid);
      readone(&tty_nr);
      readone(&tty_pgrp);
      readone(&flags);
      readone(&min_flt);
      readone(&cmin_flt);
      readone(&maj_flt);
      readone(&cmaj_flt);
      readone(&utime);
      readone(&stimev);
      readone(&cutime);
      readone(&cstime);
      readone(&priority);
      readone(&nicev);
      readone(&num_threads);
      readone(&it_real_value);
      readunsigned(&start_time);
      readone(&vsize);
      readone(&rss);
      readone(&rsslim);
      readone(&start_code);
      readone(&end_code);
      readone(&start_stack);
      readone(&esp);
      readone(&eip);
      readone(&pending);
      readone(&blocked);
      readone(&sigign);
      readone(&sigcatch);
      readone(&wchan);
      readone(&zero1);
      readone(&zero2);
      readone(&exit_signal);
      readone(&cpu);
      readone(&rt_priority);
      readone(&policy);
      
      {
        printone("pid", pid); *out << obuf;
        printstr("tcomm", tcomm); *out << obuf;
        printchar("state", state); *out << obuf;
        printone("ppid", ppid); *out << obuf;
        printone("pgid", pgid); *out << obuf;
        printone("sid", sid); *out << obuf;
        printone("tty_nr", tty_nr); *out << obuf;
        printone("tty_pgrp", tty_pgrp); *out << obuf;
        printone("flags", flags); *out << obuf;
        printone("min_flt", min_flt); *out << obuf;
        printone("cmin_flt", cmin_flt); *out << obuf;
        printone("maj_flt", maj_flt); *out << obuf;
        printone("cmaj_flt", cmaj_flt); *out << obuf;
        printtime("utime", utime); *out << obuf;
        printtime("stime", stimev); *out << obuf;
        printtime("cutime", cutime); *out << obuf;
        printtime("cstime", cstime); *out << obuf;
        printone("priority", priority); *out << obuf;
        printone("nice", nicev); *out << obuf;
        printone("num_threads", num_threads); *out << obuf;
        printtime("it_real_value", it_real_value); *out << obuf;
        printtimediff("start_time", start_time); *out << obuf;
        printone("vsize", vsize); *out << obuf;
        printone("rss", rss); *out << obuf;
        printone("rsslim", rsslim); *out << obuf;
        printone("start_code", start_code); *out << obuf;
        printone("end_code", end_code); *out << obuf;
        printone("start_stack", start_stack); *out << obuf;
        printone("esp", esp); *out << obuf;
        printone("eip", eip); *out << obuf;
        printonex("pending", pending); *out << obuf;
        printonex("blocked", blocked); *out << obuf;
        printonex("sigign", sigign); *out << obuf;
        printonex("sigcatch", sigcatch); *out << obuf;
        printone("wchan", wchan); *out << obuf;
        printone("zero1", zero1); *out << obuf;
        printone("zero2", zero2); *out << obuf;
        printonex("exit_signal", exit_signal); *out << obuf;
        printone("cpu", cpu); *out << obuf;
        printone("rt_priority", rt_priority); *out << obuf;
        printone("policy", policy); *out << obuf;
      }
      fclose(input);
    }

void evf::utils::readchar ( char * x )

Definition at line 128 of file procUtils.cc.

References input.

Referenced by procStat().

{  fscanf(input, "%c ", x);}

void evf::utils::readone ( num * x )

Definition at line 125 of file procUtils.cc.

References input.

Referenced by procStat().

{ fscanf(input, "%lld ", x); }

void evf::utils::readstr ( char * x )

Definition at line 127 of file procUtils.cc.

References input.

Referenced by procStat().

{  fscanf(input, "%s ", x);}

void evf::utils::readunsigned ( unsigned long long * x )

Definition at line 126 of file procUtils.cc.

References input.

Referenced by procStat().

{ fscanf(input, "%llu ", x); }

void evf::utils::uptime ( std::ostringstream * out )

Definition at line 290 of file procUtils.cc.

References LOAD_FRAC, LOAD_INT, and cond::rpcobgas::time.

Referenced by evf::FUEventProcessor::updater().

    {
#ifdef linux
      int updays, uphours, upminutes;
      struct sysinfo info;
      struct tm *current_time;
      time_t current_secs;

      time(&current_secs);
      current_time = localtime(&current_secs);

      sysinfo(&info);

      *out << std::setw(2) 
           << (current_time->tm_hour%12 ? current_time->tm_hour%12 : 12)
           << ":"
           << current_time->tm_min
           << (current_time->tm_hour > 11 ? " pm, " : " am, ")
           << " up ";
      updays = (int) info.uptime / (60*60*24);
      if (updays)
        *out <<  updays << " day" << ((updays != 1) ? "s " : " ");
      upminutes = (int) info.uptime / 60;
      uphours = (upminutes / 60) % 24;
      upminutes %= 60;
      if(uphours)
        *out << std::setw(2) << uphours << ":" << upminutes;
      else
        *out << upminutes << " minutes ";
      
      *out << " - load average "
           << LOAD_INT(info.loads[0]) << " " 
           << LOAD_FRAC(info.loads[0]) << " " 
           << LOAD_INT(info.loads[1]) << " " 
           << LOAD_FRAC(info.loads[1]) << " " 
           << LOAD_INT(info.loads[2]) << " " 
           << LOAD_FRAC(info.loads[2]) << " ";
      *out << " used memory " << std::setw(3) 
           << (float(info.totalram-info.freeram)/float(info.totalram))*100 << "%";
#else
      // FIXME: one could probably use `clock_get_uptime` and similar on 
      // macosx to obtain at least part of the information.
      *out << "Unable to retrieve uptime information on this platform.";
#endif
    }