| 1 |
williamc |
1.1 |
#
|
| 2 |
|
|
# BuildableProduct.pm
|
| 3 |
|
|
#
|
| 4 |
|
|
# Originally Written by Christopher Williams
|
| 5 |
|
|
#
|
| 6 |
|
|
# Description
|
| 7 |
|
|
# -----------
|
| 8 |
|
|
# a base class to provide dependency checking functionality for any object
|
| 9 |
|
|
#
|
| 10 |
|
|
# Interface
|
| 11 |
|
|
# ---------
|
| 12 |
|
|
# new() : A new BuildableProduct object
|
| 13 |
|
|
# update() : update the object if required
|
| 14 |
|
|
# dependency(BuildableProduct): add a dependency
|
| 15 |
|
|
# build() : build the object
|
| 16 |
|
|
# state() : return a string to identify the current
|
| 17 |
|
|
# state of the object - by default assumed to be a# file
|
| 18 |
|
|
# stateref() : return the state reference of the object after
|
| 19 |
|
|
# the last succesful build
|
| 20 |
|
|
# id([string]) : get/set the id/filename
|
| 21 |
|
|
|
| 22 |
|
|
package BuildSystem::BuildableProduct;
|
| 23 |
|
|
require 5.004;
|
| 24 |
|
|
@ISA=qw(ObjectUtilities::StorableObject);
|
| 25 |
|
|
|
| 26 |
|
|
sub init {
|
| 27 |
|
|
my $self=shift;
|
| 28 |
|
|
$self->{updating}=0;
|
| 29 |
|
|
}
|
| 30 |
|
|
|
| 31 |
|
|
#
|
| 32 |
|
|
# return values 0=no change, 1= sucessful change, 2=update failed
|
| 33 |
|
|
# 3 = update in progress - recursive stoppoint
|
| 34 |
|
|
#
|
| 35 |
|
|
sub update {
|
| 36 |
|
|
my $self=shift;
|
| 37 |
|
|
|
| 38 |
|
|
my $rv=0;
|
| 39 |
|
|
my $rverror=0;
|
| 40 |
|
|
my @strings=();
|
| 41 |
|
|
my needupdate=0;
|
| 42 |
|
|
|
| 43 |
|
|
# -- check were not in a recursive process
|
| 44 |
|
|
return 3 , if ( $self->{updating} == 1 );
|
| 45 |
|
|
$self->{updating}=1; # lock updating process
|
| 46 |
|
|
|
| 47 |
|
|
# -- check self
|
| 48 |
|
|
if ( $self->stateref() != $self->state() );
|
| 49 |
|
|
|
| 50 |
|
|
# -- check dependencies
|
| 51 |
|
|
my $obj, $v;
|
| 52 |
|
|
for (my $i=0; $i<=$#{$self->{dependencies}}; $i++ ) {
|
| 53 |
|
|
$obj=$self->{dependencies}[$i];
|
| 54 |
|
|
# first make sure they are up to date
|
| 55 |
|
|
$obj->update();
|
| 56 |
|
|
# are they different from the ones we used to build last time
|
| 57 |
|
|
if ( $obj->state() != $self->{dependencystate}[$i] ) {
|
| 58 |
|
|
$needupdate=1;
|
| 59 |
|
|
}
|
| 60 |
|
|
|
| 61 |
|
|
}
|
| 62 |
|
|
|
| 63 |
|
|
# --- build
|
| 64 |
|
|
if ( $needupdate ) {
|
| 65 |
|
|
my ($stat,@buildstring)=$self->build();
|
| 66 |
|
|
if ( ! $stat ) {
|
| 67 |
|
|
$rv=1;
|
| 68 |
|
|
# Build Successful - must update dependency stats
|
| 69 |
|
|
for (my $i=0; $i<=$#{$self->{dependencies}}; $i++ ) {
|
| 70 |
|
|
$obj=$self->{dependencies}[$i];
|
| 71 |
|
|
$self->{dependencystate}[$i]=$obj->state();
|
| 72 |
|
|
}
|
| 73 |
|
|
}
|
| 74 |
|
|
else {
|
| 75 |
|
|
push @strings, @buildstring;
|
| 76 |
|
|
$rv=2;
|
| 77 |
|
|
}
|
| 78 |
|
|
}
|
| 79 |
|
|
$self->{updating}=0; # unlock updating process
|
| 80 |
|
|
return $rv, @strings;
|
| 81 |
|
|
}
|
| 82 |
|
|
|
| 83 |
|
|
sub dependency {
|
| 84 |
|
|
my $self=shift;
|
| 85 |
|
|
my $object=shift;
|
| 86 |
|
|
|
| 87 |
|
|
push @{$self->{dependencies}}, $object;
|
| 88 |
|
|
}
|
| 89 |
|
|
|
| 90 |
|
|
sub stateref {
|
| 91 |
|
|
my $self=shift;
|
| 92 |
|
|
@_?$self->{stateref}=shift
|
| 93 |
|
|
:$self->{stateref};
|
| 94 |
|
|
}
|
| 95 |
|
|
|
| 96 |
|
|
sub id {
|
| 97 |
|
|
my $self=shift;
|
| 98 |
|
|
@_?$self->{id}=shift
|
| 99 |
|
|
:$self->{id};
|
| 100 |
|
|
}
|
| 101 |
|
|
|
| 102 |
|
|
#
|
| 103 |
|
|
# By default assumes a file but easy to override for other types
|
| 104 |
|
|
#
|
| 105 |
|
|
sub state {
|
| 106 |
|
|
my $self=shift;
|
| 107 |
|
|
my $moddate=0;
|
| 108 |
|
|
|
| 109 |
|
|
# if id is a filename, take its last modification date
|
| 110 |
|
|
if ( -f $self->id() ) {
|
| 111 |
|
|
$moddate=(stat($self->id()))[9];
|
| 112 |
|
|
}
|
| 113 |
|
|
|
| 114 |
|
|
return $moddate;
|
| 115 |
|
|
}
|
| 116 |
|
|
|
| 117 |
|
|
# --------- Persistency Stuff -----------------
|
| 118 |
|
|
|
| 119 |
|
|
sub store {
|
| 120 |
|
|
my $self=shift;
|
| 121 |
|
|
my $location=shift;
|
| 122 |
|
|
local $fh=$self->openfile(">".$location);
|
| 123 |
|
|
$self->_storedeps($fh);
|
| 124 |
|
|
undef $fh;
|
| 125 |
|
|
}
|
| 126 |
|
|
|
| 127 |
|
|
sub restore {
|
| 128 |
|
|
my $self=shift;
|
| 129 |
|
|
my $location=shift;
|
| 130 |
|
|
local $fh=$self->openfile("<".$location);
|
| 131 |
|
|
$self->_restoredeps($fh);
|
| 132 |
|
|
undef $fh;
|
| 133 |
|
|
}
|
| 134 |
|
|
|
| 135 |
|
|
#
|
| 136 |
|
|
# Store dependency information
|
| 137 |
|
|
#
|
| 138 |
|
|
sub _storedeps {
|
| 139 |
|
|
my $self=shift;
|
| 140 |
|
|
my $fh=shift;
|
| 141 |
|
|
|
| 142 |
|
|
print $fh $self->{stateref};
|
| 143 |
|
|
for (my $i=0; $i<=$#{$self->{dependencies}}; $i++ ) {
|
| 144 |
|
|
print $fh "DEP=".$self->{dependencies}[$i]->id()."\n";
|
| 145 |
|
|
print $fh $self->{dependencystat}[$i]."\n";
|
| 146 |
|
|
}
|
| 147 |
|
|
}
|
| 148 |
|
|
|
| 149 |
|
|
sub _restoredeps {
|
| 150 |
|
|
my $self=shift;
|
| 151 |
|
|
my $fh=shift;
|
| 152 |
|
|
|
| 153 |
|
|
my $id;
|
| 154 |
|
|
$self->{stateref}=<$fh>;
|
| 155 |
|
|
chomp $self->{stateref};
|
| 156 |
|
|
while ( ($line=<$fh>)=~/^DEP=/ ) {
|
| 157 |
|
|
chomp $line;
|
| 158 |
|
|
($id=$line)=~s/^DEP=//;
|
| 159 |
|
|
push @$self->{dependencies}, ($self->ActiveStore()->find("BPS",$id));
|
| 160 |
|
|
push @$self->{dependencystat}, <$fh>;
|
| 161 |
|
|
}
|
| 162 |
|
|
chomp @$self->{dependencystat};
|
| 163 |
|
|
}
|
