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1 | # BEGIN BPS TAGGED BLOCK {{{ |
2 | # | |
3 | # COPYRIGHT: | |
4 | # | |
320f0092 | 5 | # This software is Copyright (c) 1996-2014 Best Practical Solutions, LLC |
af59614d MKG |
6 | # <sales@bestpractical.com> |
7 | # | |
8 | # (Except where explicitly superseded by other copyright notices) | |
9 | # | |
10 | # | |
11 | # LICENSE: | |
12 | # | |
13 | # This work is made available to you under the terms of Version 2 of | |
14 | # the GNU General Public License. A copy of that license should have | |
15 | # been provided with this software, but in any event can be snarfed | |
16 | # from www.gnu.org. | |
17 | # | |
18 | # This work is distributed in the hope that it will be useful, but | |
19 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
21 | # General Public License for more details. | |
22 | # | |
23 | # You should have received a copy of the GNU General Public License | |
24 | # along with this program; if not, write to the Free Software | |
25 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
26 | # 02110-1301 or visit their web page on the internet at | |
27 | # http://www.gnu.org/licenses/old-licenses/gpl-2.0.html. | |
28 | # | |
29 | # | |
30 | # CONTRIBUTION SUBMISSION POLICY: | |
31 | # | |
32 | # (The following paragraph is not intended to limit the rights granted | |
33 | # to you to modify and distribute this software under the terms of | |
34 | # the GNU General Public License and is only of importance to you if | |
35 | # you choose to contribute your changes and enhancements to the | |
36 | # community by submitting them to Best Practical Solutions, LLC.) | |
37 | # | |
38 | # By intentionally submitting any modifications, corrections or | |
39 | # derivatives to this work, or any other work intended for use with | |
40 | # Request Tracker, to Best Practical Solutions, LLC, you confirm that | |
41 | # you are the copyright holder for those contributions and you grant | |
42 | # Best Practical Solutions, LLC a nonexclusive, worldwide, irrevocable, | |
43 | # royalty-free, perpetual, license to use, copy, create derivative | |
44 | # works based on those contributions, and sublicense and distribute | |
45 | # those contributions and any derivatives thereof. | |
46 | # | |
47 | # END BPS TAGGED BLOCK }}} | |
48 | ||
49 | package RT::Migrate::Serializer::File; | |
50 | ||
51 | use strict; | |
52 | use warnings; | |
53 | ||
54 | use base 'RT::Migrate::Serializer'; | |
55 | ||
56 | sub Init { | |
57 | my $self = shift; | |
58 | ||
59 | my %args = ( | |
60 | Directory => undef, | |
61 | Force => undef, | |
62 | MaxFileSize => 32, | |
63 | ||
64 | @_, | |
65 | ); | |
66 | ||
67 | # Set up the output directory we'll be writing to | |
68 | my ($y,$m,$d) = (localtime)[5,4,3]; | |
69 | $args{Directory} = $RT::Organization . | |
70 | sprintf(":%d-%02d-%02d",$y+1900,$m+1,$d) | |
71 | unless defined $args{Directory}; | |
72 | system("rm", "-rf", $args{Directory}) if $args{Force}; | |
73 | die "Output directory $args{Directory} already exists" | |
74 | if -d $args{Directory}; | |
75 | mkdir $args{Directory} | |
76 | or die "Can't create output directory $args{Directory}: $!\n"; | |
77 | $self->{Directory} = delete $args{Directory}; | |
78 | ||
79 | # How many megabytes each chunk should be, approximitely | |
80 | $self->{MaxFileSize} = delete $args{MaxFileSize}; | |
81 | ||
82 | # Which file we're writing to | |
83 | $self->{FileCount} = 1; | |
84 | ||
85 | $self->SUPER::Init(@_); | |
86 | } | |
87 | ||
88 | sub Metadata { | |
89 | my $self = shift; | |
90 | return $self->SUPER::Metadata( | |
91 | Files => [ $self->Files ], | |
92 | @_, | |
93 | ) | |
94 | } | |
95 | ||
96 | sub Export { | |
97 | my $self = shift; | |
98 | ||
99 | # Set up our output file | |
100 | $self->OpenFile; | |
101 | ||
102 | # Write the initial metadata | |
103 | $self->InitStream; | |
104 | ||
105 | # Walk the objects | |
106 | $self->Walk( @_ ); | |
107 | ||
108 | # Close everything back up | |
109 | $self->CloseFile; | |
110 | ||
111 | # Write the summary file | |
112 | Storable::nstore( | |
113 | $self->Metadata( Final => 1 ), | |
114 | $self->Directory . "/rt-serialized" | |
115 | ); | |
116 | ||
117 | return $self->ObjectCount; | |
118 | } | |
119 | ||
120 | sub Visit { | |
121 | my $self = shift; | |
122 | ||
123 | # Rotate if we get too big | |
124 | my $maxsize = 1024 * 1024 * $self->{MaxFileSize}; | |
125 | $self->RotateFile if tell($self->{Filehandle}) > $maxsize; | |
126 | ||
127 | # Serialize it | |
128 | $self->SUPER::Visit( @_ ); | |
129 | } | |
130 | ||
131 | ||
132 | sub Files { | |
133 | my $self = shift; | |
134 | return @{ $self->{Files} }; | |
135 | } | |
136 | ||
137 | sub Filename { | |
138 | my $self = shift; | |
139 | return sprintf( | |
140 | "%s/%03d.dat", | |
141 | $self->{Directory}, | |
142 | $self->{FileCount} | |
143 | ); | |
144 | } | |
145 | ||
146 | sub Directory { | |
147 | my $self = shift; | |
148 | return $self->{Directory}; | |
149 | } | |
150 | ||
151 | sub OpenFile { | |
152 | my $self = shift; | |
153 | open($self->{Filehandle}, ">", $self->Filename) | |
154 | or die "Can't write to file @{[$self->Filename]}: $!"; | |
155 | push @{$self->{Files}}, $self->Filename; | |
156 | } | |
157 | ||
158 | sub CloseFile { | |
159 | my $self = shift; | |
160 | close($self->{Filehandle}) | |
161 | or die "Can't close @{[$self->Filename]}: $!"; | |
162 | $self->{FileCount}++; | |
163 | } | |
164 | ||
165 | sub RotateFile { | |
166 | my $self = shift; | |
167 | $self->CloseFile; | |
168 | $self->OpenFile; | |
169 | } | |
170 | ||
171 | 1; |