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1 #!/usr/local/bin/perl -w
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2
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3 use strict;
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4
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5 use XML::LibXML;
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7
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6 use FileHandle;
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0
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7
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8 # MPIWG libraries
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9 use lib '/usr/local/mpiwg/archive';
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10 use MPIWGStor;
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11
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12 # make output unbuffered
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13 $|=1;
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14
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15
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16 #######################################################
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17 # internal parameters
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18 #
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19
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20 # program version
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21 my $version = "0.2 (23.9.2004)";
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22
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23 # read command line parameters
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24 my $args = parseargs;
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25
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26 # debug level
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27 $debug = (exists $$args{'debug'}) ? ($$args{'debug'}) : 0;
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28
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29 # rewrite XML file (necessary for archive date!)
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30 my $fix_xml = 1;
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31 my $xml_changed = 0;
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32 # XML namespace (not really implemented!)
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33 my $namespace = "";
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34
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35 # archive name (archive-path element, usually == $docdir)
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36 my $archname;
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37 # archive storage date
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38 my $archdate;
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39
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40 #######################################################
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41 # external programs
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42 #
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43 my $archprog = "/opt/tivoli/tsm/client/ba/bin/dsmc";
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44 if (! -x $archprog) {
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45 logger("ABORT", "TSM client program '$archprog' missing!!");
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46 exit 1;
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47 }
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48 my $checkprog = "/usr/local/mpiwg/archive/archivecheck";
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49 if (! -x $checkprog) {
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50 logger("ABORT", "archive checking program '$checkprog' missing!!");
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51 exit 1;
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52 }
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53 # log file for archiver
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54 my $log_file = "/var/tmp/unarchiver.log";
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55 if (! open LOG, ">>$log_file") {
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56 logger("ABORT", "unable to write log file '$log_file'!!");
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57 exit 1;
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58 }
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59 LOG->autoflush(1);
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60
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61 #######################################################
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62 # check parameters that were passed to the program
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63 #
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64 my $docdir = $$args{'path'};
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65 if (! $docdir) {
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66 print "ABORT: no document directory given!\n";
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67 exit 1;
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68 }
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69 # strip trailing slashes
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70 $docdir =~ s/\/$//;
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71 if (! -d $docdir) {
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72 print "ABORT: document directory \'$docdir\' doesn't exist!\n";
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73 exit 1;
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74 }
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75
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76 my $metafile = "$docdir/index.meta";
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77 if (! -f $metafile) {
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78 print "ABORT: metadata index file \'$metafile\' doesn't exist!\n";
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79 exit 1;
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80 }
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81
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82 # construct document's parent dir
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83 my $docparent = $docdir;
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84 $docparent =~ s!/[^/]+$!!;
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85
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86 #######################################################
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87 # internal variables
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88 #
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89
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90 # number of errors
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91 my $errcnt = 0;
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92 # number of warnings
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93 my $warncnt = 0;
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94
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95 #######################################################
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96 # subroutines
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97 #
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98
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99
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100 #
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101 # $files = read_resource_meta($rootnode)
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102 #
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103 # checks general resource meta information and reads the list of files
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104 #
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105 sub read_resource_meta {
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106 my ($rootnode) = @_;
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107 my %files;
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108 #
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109 # archive path
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110 #
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111 # get archive-path
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112 $archname = sstrip($rootnode->findvalue('child::archive-path'));
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113 if (! $archname) {
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114 logger("ABORT", "archive-name element missing!!");
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115 exit 1;
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116 }
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117
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118 #
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119 # files
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120 #
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121 my @filenodes = $rootnode->findnodes('child::file');
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122 foreach my $fn (@filenodes) {
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123 my $name = sstrip($fn->findvalue('child::name'));
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124 my $path = sstrip($fn->findvalue('child::path'));
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125 logger("DEBUG", "FILE: ($path)$name");
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126 my $f = ($path) ? "$path/$name" : "$name";
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127 $files{$f} = [$name];
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128 }
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129
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130 #
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131 # dirs
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132 #
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133 my @dirnodes = $rootnode->findnodes('child::dir');
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134 foreach my $fn (@dirnodes) {
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135 my $name = sstrip($fn->findvalue('child::name'));
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136 my $path = sstrip($fn->findvalue('child::path'));
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137 logger("DEBUG", "DIR: ($path)$name");
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138 my $f = ($path) ? "$path/$name" : "$name";
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139 $files{$f} = [$name];
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140 }
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141
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142 #
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143 # archive-storage-date
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144 #
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145 my $archdate = $rootnode->find('child::archive-storage-date');
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146 if ($archdate) {
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147 logger("INFO", "archive storage date: $archdate");
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148 } else {
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149 logger("ERROR", "archive storage date missing!");
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150 $errcnt++;
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151 }
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152
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153 #
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154 # archive-recall-date
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155 #
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156 my $recalldatenode = ($rootnode->find('child::archive-recall-date'))->get_node(1);
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157 if ($recalldatenode) {
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158 print "INFO: archive recall date exists!\n";
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159 # delete old date
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160 $recalldatenode->removeChildNodes;
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161 } else {
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162 # create new storage date node
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163 $recalldatenode = $rootnode->addNewChild($namespace, "archive-recall-date");
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164 # move after archive-path
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165 $rootnode->insertAfter($recalldatenode, ($rootnode->find('child::archive-storage-date'))->get_node(1));
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166 }
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167 $recalldatenode->appendTextNode(scalar localtime);
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168 $xml_changed++;
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169
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170 return \%files;
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171 }
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172
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173
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174 #
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175 # $%files = run_retrieve
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176 #
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177 # runs the retriever program on $docdir and returns a list of archived files
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178 #
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179 # Sample output:
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180 # (old!) Retrieving 17,234 /mpiwg/archive/data/test/auto_titit_123/pageimg/essen-wind1.jpg [Done]
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181 # Retrieving 42,406,326 /mpiwg/archive/data/library/B980G582/raw/00015.tif --> /mpiwg/archive/data/library/B980G582/raw/00015.tif [Done]
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182 sub run_retrieve {
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183 my %files;
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184 print LOG "START unarchive $version on ", scalar localtime, "\n";
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185 my $archcmd = $archprog;
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186 $archcmd .= " retrieve -subdir=yes -replace=all";
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187 $archcmd .= " -description='$archname'";
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188 $archcmd .= " '$docdir/'"; # archive name
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189 $archcmd .= " '$docparent/'"; # destination dir name
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190
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191 my $archcnt = 0;
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192 print LOG "CMD: $archcmd\n";
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193 if (open ARCH, "$archcmd 2>&1 |") {
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194 while (<ARCH>) {
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195 chomp;
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196 print LOG "ARCH: $_\n";
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197 if (/
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198 Retrieving
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199 \s+([\d,]+) # size
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200 \s+(\S+) # file name
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201 \s+-->
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202 \s+(\S+) # destination file name
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203 \s+\[Done\]
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204 /x) {
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205 my $size = $1;
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206 my $file = $2;
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207 $size =~ s/,//g;
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208 logger("DEBUG", " RETRIEVE: file '$file'");
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209 $archcnt++;
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210 if ($files{$file}) {
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211 logger("WARNING", "file $file seems to be archived multiple times.");
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212 $warncnt++;
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213 }
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214 $files{$file} = [$size];
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215 }
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216 }
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217 logger("INFO", "$archcnt archives of " . (scalar keys %files) . " files.");
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218 } else {
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219 logger("ABORT", "unable to start archive command '$archcmd'!!");
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220 exit 1;
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221 }
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222 return \%files;
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223 }
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224
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225
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226 #
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227 # check_files(\%files_to_retrieve, \%retrieved_files)
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228 #
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229 # compares the list of archived and retrieved files
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230 #
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231 sub check_files {
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232 my ($to_retrieve, $retrieved) = @_;
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233
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234 my $nt = scalar keys %$to_retrieve;
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235 my $na = scalar keys %$retrieved;
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236
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237 foreach my $ft (sort keys %$to_retrieve) {
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238 my $fp = "$docdir/$ft";
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239 #logger("DEBUG", " fp: $fp");
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240 if ($$retrieved{$fp}) {
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241 logger("DEBUG", "$ft retrieved OK");
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242 $$retrieved{$fp}->[1] = "OK";
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243 } else {
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244 logger("ERROR", "file entry '$ft' missing from archive!");
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245 $errcnt++;
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246 }
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247 }
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248
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249 foreach my $fa (sort keys %$retrieved) {
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250 if (! $$retrieved{$fa}->[1]) {
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251 my ($fn, $fp) = split_file_path($fa);
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252 if ($index_files{$fn}) {
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253 logger("DEBUG", "$fa ignored");
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254 $na--;
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255 } else {
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256 logger("WARNING", "$fa retrieved but not in list!");
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257 $warncnt++;
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258 }
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259 }
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260 }
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261
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262 if ($nt > $na) {
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263 logger("WARNING", "less files were retrieved ($na vs. $nt)!");
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264 $warncnt++;
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265 } elsif ($na > $nt) {
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266 logger("WARNING", "more files were retrieved ($na vs. $nt)!");
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267 $warncnt++;
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268 }
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269
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270 }
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271
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272
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273
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274 #######################################################
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275 # main
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276 #
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277
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278 logger("INFO", "unarchiver $version");
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279
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280 # make shure the right user is running this program
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281 my $user = getlogin;
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282 if (($user)&&($user ne "archive")&&($user ne "root")) {
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283 logger("ABORT", "you must be archive or root user to run this program!");
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284 exit 1;
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285 }
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286
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287 # use checkarchive first
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288 if (system("$checkprog $docdir >/dev/null") == 0) {
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289 logger("INFO", "archive '$docdir' check OK");
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290 } else {
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291 logger("ABORT", "archive '$docdir' check failed!!");
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292 exit 1;
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293 }
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294
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295 # read index.meta file
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296 my ($document, $rootnode) = read_xml($metafile);
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297
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298 # check index file
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299 my $archived_files = read_resource_meta($rootnode);
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300 my $num_archived_files = scalar keys %$archived_files;
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301
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302 # check for .archived file
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303 if (-f "$docdir/.archived") {
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304 logger("INFO", ".archived file exists.");
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305 } else {
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306 logger("WARNING", "no .archived file!");
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307 $warncnt++;
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308 }
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309
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310 logger("INFO", "$num_archived_files files to retrieve.");
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311
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312 # retrieve
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313 my $retrieved_files = run_retrieve;
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314
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315 my $num_arch_files = (scalar keys %$retrieved_files);
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316 if ($num_arch_files == 0) {
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317 logger("ABORT", "no files retrieved!!");
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318 exit 1;
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319 }
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320 logger("INFO", "$num_arch_files files retrieved");
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321
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322 # check list of archived files
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323 check_files($archived_files, $retrieved_files);
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324
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325 # rewrite index.meta file
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326 write_xml($document, $metafile);
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327
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328 logger("INFO", "$warncnt warnings");
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329 logger("INFO", "$errcnt errors");
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330 if ($errcnt == 0) {
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331 logger("DONE", "" . (scalar keys %$retrieved_files) . " archived files retrieved");
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332 } else {
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333 logger("ABORT", "there were $errcnt errors!!");
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334 exit 1;
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335 }
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