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# -- perl --
# RRD::Format: constants useful when digging around in an RRD file
# from Perl
#
# Copyright (C) 1998 Jeff R. Allen and WebTV Networks, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# PORTING:
#
# Because RRD datafiles are defined in terms of C structures,
# different C compilers will pad them differently. Thus, this
# file needs to be updated to understand the various file
# layouts. To add support for an unsupported architecture,
# add a section to setArch that matches your architecture.
# The simple C program getFormat.c (which is in the util directory)
# can probably be trusted to find the correct format strings
# for your architecture. Instructions on how to use it are in
# the comments at the beginning of the program.
# Please send patches in, as you find
# formats for your specific architecture.
package RRD::Format;
require Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(sizeof);
sub new {
my($class) = @_;
my($self) = {};
bless($self, $class);
return $self;
}
sub format {
my($self, $fmt) = @_;
return $self->{$fmt};
}
sub isOld {
my($str) = @_;
return ($str eq "mrtg");
}
sub setArch {
my($self, $archname) = @_;
$self->{'cookie'} = "RRD";
$self->{'float_cookie'} = 8.642135e130;
$self->{'DST_COUNTER'} = 0;
$self->{'DST_ABSOLUTE'} = 1;
$self->{'DST_GAUGE'} = 2;
$self->{'DST_DERIVE'} = 3;
$self->{'CF_AVERAGE'} = 0;
$self->{'CF_MINIMUM'} = 1;
$self->{'CF_MAXIMUM'} = 2;
# new cf functions
$self->{'CF_LAST'} = 3;
$self->{'CF_HWPREDICT'} = 4;
$self->{'CF_SEASONAL'} = 5;
$self->{'CF_DEVPREDICT'} = 6;
$self->{'CF_DEVSEASONAL'} = 7;
$self->{'CF_FAILURES'} = 8;
$self->{'LAST_DS_LEN'} = 30; # Tobias says, "DO NOT CHANGE THIS" :)
$archname =~ s/-multi-thread//g;
$archname =~ s/-thread-multi//g;
$archname =~ s/-thread//g;
if ($archname eq "sun4-solaris" ||
$archname eq "MSWin32-x86" || $archname eq "MSWin32-x86-object" ||
$archname eq "irix-o32" || $archname eq "sparc-linux") {
$self->{'newOld'} = "A4";
$self->{'statHead'} = "a4 a5 x7 d L L L x4 x80";
$self->{'dsDef'} = "a20 a20 L x4 d d x56";
$self->{'rraDef'} = "a20 L L x4 d x72";
$self->{'pdpDef'} = "a30 x2 L x4 d x64";
$self->{'cdpDef'} = "d L x4 x64";
$self->{'liveHead'} = "L";
$self->{'liveHead3'} = "L L";
$self->{'rraPtr'} = "L";
$self->{'element'} = "d";
return 1;
} elsif ($archname =~ /^aix|i.?86/i) {
# Matija.Grabnar@arnes.si says that these formats
# work for Solaris x86 too. And Patrick Myers <pjm@mcc.ac.uk>
# says it works for i386-freebsd. Cool. And John Banner
# <jbanner@UVic.Ca> says it works on AIX. And Dave Mangot
# <dave@epylon.com> says it works on i386-openbsd. Peter Evans
# <peter@gol.com> found a bug with Solaris 8/x86 which has been
# fixed.
# So, let's simplify and just say, 'if it has i.86 in the name,
# use this format.
$self->{'newOld'} = "A4";
$self->{'statHead'} = "a4 a5 x3 d L L L x80";
$self->{'dsDef'} = "a20 a20 L x4 d d x56";
$self->{'rraDef'} = "a20 L L d x72";
$self->{'pdpDef'} = "a30 x2 L x4 d x64";
$self->{'cdpDef'} = "d L x4 x64";
$self->{'liveHead'} = "L";
$self->{'liveHead3'} = "L L";
$self->{'rraPtr'} = "L";
$self->{'element'} = "d";
return 1;
} elsif ( $archname eq 'alpha-dec_osf') {
# Thanks to Melissa D. Binde <binde@amazon.com> for
# finding this (and a major foobar in getFormat.c)
$self->{'statHead'} = "a4 a5 x7 d L L L x80";
$self->{'dsDef'} = "a20 a20 L d d x56";
$self->{'rraDef'} = "a20 L L d x72";
$self->{'pdpDef'} = "a30 x2 L d x64";
$self->{'cdpDef'} = "d L x64";
$self->{'liveHead'} = "L";
$self->{'rraPtr'} = "L";
$self->{'element'} = "d";
} elsif ( $archname =~ 'PA-RISC' or $archname eq 'powerpc-linux') {
$self->{'statHead'} = "a4 a5 x7 d L L L x4 x80";
$self->{'dsDef'} = "a20 a20 L x4 d d x56";
$self->{'rraDef'} = "a20 L L x4 d x72";
$self->{'pdpDef'} = "a30 x2 L x4 d x64";
$self->{'cdpDef'} = "d L x4 x64";
$self->{'liveHead'} = "L";
$self->{'rraPtr'} = "L";
$self->{'element'} = "d";
} elsif ( $archname eq 'alpha-linux' or $archname eq 'alpha-linux-gnu') {
$self->{'statHead'} = "a4 a5 x7 d Q Q Q x80";
$self->{'dsDef'} = "a20 a20 Q d d x56";
$self->{'rraDef'} = "a20 x4 Q Q d x72";
$self->{'pdpDef'} = "a30 x2 Q d x64";
$self->{'cdpDef'} = "d Q x64";
$self->{'liveHead'} = "Q";
$self->{'rraPtr'} = "Q";
$self->{'element'} = "d";
} elsif ( $archname =~ /^x86_64-linux/ ) {
$self->{'statHead'} = "a4 a5 x7 d Q Q Q x80";
$self->{'dsDef'} = "a20 a20 Q d d x56";
$self->{'rraDef'} = "a20 x4 Q Q d x72";
$self->{'liveHead'} = "Q Q";
$self->{'liveHead3'} = "Q Q";
$self->{'pdpDef'} = "a30 x2 Q d x64";
$self->{'cdpDef'} = "d Q x64";
$self->{'rraPtr'} = "Q";
$self->{'element'} = "d";
} elsif ( $archname eq 'sparc64-netbsd' ) {
$self->{'statHead'} = "a4 a5 x7 d Q Q Q x80";
$self->{'dsDef'} = "a20 a20 Q d d x56";
$self->{'rraDef'} = "a20 x4 Q Q d x72";
$self->{'pdpDef'} = "a30 x2 Q d x64";
$self->{'cdpDef'} = "d Q x64";
$self->{'liveHead'} = "L";
$self->{'rraPtr'} = "Q";
$self->{'element'} = "d";
} elsif ( $archname eq 's390x-linux' ) {
$self->{'statHead'} = "a4 a5 x7 d Q Q Q x80";
$self->{'dsDef'} = "a20 a20 Q d d x56";
$self->{'rraDef'} = "a20 x4 Q Q d x72";
$self->{'pdpDef'} = "a30 x2 Q d x64";
$self->{'cdpDef'} = "d Q x64";
$self->{'liveHead'} = "Q";
$self->{'rraPtr'} = "Q";
$self->{'element'} = "d";
} else {
return;
}
}
# a utility subroutine to imitate C's sizeof() built-in
sub sizeof {
my($template) = @_;
return (length(pack($template)));
}
1;
# Local Variables:
# mode: perl
# indent-tabs-mode: nil
# tab-width: 4
# perl-indent-level: 4
# End:
|
