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ScoreBoardFile.xs  view on Meta::CPAN

init(int fd, Apache2__ScoreBoardFile *result) {
  void *map;
  struct stat statbuf;

  *result=NULL;
  if(fstat(fd, &statbuf)) return -1;

  map=mmap(NULL, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0);
  if( map==MAP_FAILED ) return -1;

  *result=map;
  return 0;
}

static inline double
time2double( apr_time_t time ) {
  return (double)apr_time_sec(time) +
         (double)apr_time_usec(time)/(double)APR_USEC_PER_SEC;
}

static inline int
destroy( Apache2__ScoreBoardFile map ) {
  return munmap(map, map->prefix.sz);
}

MODULE = Apache2::ScoreBoardFile  PACKAGE = Apache2::ScoreBoardFile

Apache2::ScoreBoardFile
new(class, stream)
	SV *class
        SV *stream
      PROTOTYPE: $$
      CODE: 
        PERL_UNUSED_VAR(class); /* -W */
	{
	  SV *sv;
	  IO* io;

	  if( SvROK(stream) &&
	      (sv=SvRV(stream)) &&
	      SvTYPE(sv)==SVt_PVGV &&
	      (io=GvIO(sv)) &&
	      IoIFP(io) ) {
	    init( PerlIO_fileno(IoIFP(io)), &RETVAL );
	  } else {
	    int fd=open(SvPV_nolen(stream), O_RDONLY);
	    if(fd<0) RETVAL=NULL;
	    else {
	      init(fd, &RETVAL);
	      close(fd);
	    }
	  }
	}
      OUTPUT:
	RETVAL

void
summary(obj, ...)
	Apache2::ScoreBoardFile obj
      PROTOTYPE: $@
      PPCODE:
        {
	  int i;
	  struct summary result[MAX_STAT_RESULTS];

	  memset(result, 0, sizeof(result));
	  items--;
	  if( items>MAX_STAT_RESULTS )
	    croak("Parameter list too long %d", items+1);
	  for( i=0; i<items; i++ ) {
	    char *p=(char*)SvPV_nolen(ST(i+1));
	    if( (result[i].what=status_char_to_status(p))==-1 ) {
	      croak("Unknown parameter %s", p);
	    }
	  }
	  collect_summary(obj,result, items);
	  for( i=0; i<items; i++ ) {
	    PUSHs(sv_2mortal(newSVnv((double)result[i].count)));
	  }
	}

unsigned int
shmsize(obj)
	Apache2::ScoreBoardFile obj
      PROTOTYPE: $
      CODE: 
	RETVAL=obj->prefix.sz;
      OUTPUT:
	RETVAL

unsigned int
server_limit(obj)
	Apache2::ScoreBoardFile obj
      PROTOTYPE: $
      CODE: 
	RETVAL=obj->gscore.server_limit;
      OUTPUT:
	RETVAL

unsigned int
thread_limit(obj)
	Apache2::ScoreBoardFile obj
      PROTOTYPE: $
      CODE: 
	RETVAL=obj->gscore.thread_limit;
      OUTPUT:
	RETVAL

unsigned int
type(obj)
	Apache2::ScoreBoardFile obj
      PROTOTYPE: $
      CODE: 
	RETVAL=obj->gscore.sb_type;
      OUTPUT:
	RETVAL

unsigned int
generation(obj)
	Apache2::ScoreBoardFile obj
      PROTOTYPE: $