1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
# -*- cperl -*-
# Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
#
# 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; version 2 of the License.
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
package My::Options;
#
# Utility functions to work with list of options
#
use strict;
sub same($$) {
my $l1= shift;
my $l2= shift;
return compare($l1,$l2) == 0;
}
sub compare ($$) {
my $l1= shift;
my $l2= shift;
my @l1= @$l1;
my @l2= @$l2;
return -1 if @l1 < @l2;
return 1 if @l1 > @l2;
while ( @l1 ) # Same length
{
my $e1= shift @l1;
my $e2= shift @l2;
my $cmp= ($e1 cmp $e2);
return $cmp if $cmp != 0;
}
return 0; # They are the same
}
sub _split_option {
my ($option)= @_;
if ($option=~ /^--(.*)=(.*)$/){
return ($1, $2);
}
elsif ($option=~ /^--(.*)$/){
return ($1, undef)
}
elsif ($option=~ /^\$(.*)$/){ # $VAR
return ($1, undef)
}
elsif ($option=~ /^(.*)=(.*)$/){
return ($1, $2)
}
die "Unknown option format '$option'";
}
sub _build_option {
my ($name, $value)= @_;
if ($name =~ /^O, /){
return "-".$name."=".$value;
}
elsif ($value){
return "--".$name."=".$value;
}
return "--".$name;
}
#
# Compare two list of options and return what would need
# to be done to get the server running with the new settings
#
sub diff {
my ($from_opts, $to_opts)= @_;
my %from;
foreach my $from (@$from_opts)
{
my ($opt, $value)= _split_option($from);
next unless defined($opt);
$from{$opt}= $value;
}
#print "from: ", %from, "\n";
my %to;
foreach my $to (@$to_opts)
{
my ($opt, $value)= _split_option($to);
next unless defined($opt);
$to{$opt}= $value;
}
#print "to: ", %to, "\n";
# Remove the ones that are in both lists
foreach my $name (keys %from){
if (exists $to{$name} and $to{$name} eq $from{$name}){
#print "removing '$name' from both lists\n";
delete $to{$name};
delete $from{$name};
}
}
#print "from: ", %from, "\n";
#print "to: ", %to, "\n";
# Add all keys in "to" to result
my @result;
foreach my $name (keys %to){
push(@result, _build_option($name, $to{$name}));
}
# Add all keys in "from" that are not in "to"
# to result as "set to default"
foreach my $name (keys %from){
if (not exists $to{$name}) {
push(@result, _build_option($name, "default"));
}
}
return @result;
}
sub is_set {
my ($opts, $set_opts)= @_;
foreach my $opt (@$opts){
my ($opt_name1, $value1)= _split_option($opt);
foreach my $set_opt (@$set_opts){
my ($opt_name2, $value2)= _split_option($set_opt);
if ($opt_name1 eq $opt_name2){
# Option already set
return 1;
}
}
}
return 0;
}
sub toSQL {
my (@options)= @_;
my @sql;
foreach my $option (@options) {
my ($sql_name, $value)= _split_option($option);
#print "name: $sql_name\n";
#print "value: $value\n";
$sql_name=~ s/-/_/g;
push(@sql, "SET GLOBAL $sql_name=$value");
}
return join("; ", @sql);
}
sub toStr {
my $name= shift;
return "$name: ",
"['", join("', '", @_), "']\n";
}
1;
|
