1 | # $Id$ |
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2 | |
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3 | package ObsData::Repository; |
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4 | |
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5 | use strict; |
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6 | use warnings; |
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7 | use File::Path; |
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8 | use POSIX qw(getcwd); |
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9 | use ObsData; |
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10 | use ObsData::Archive; |
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11 | use ObsData::Event; |
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12 | use Config::IniFiles; |
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13 | |
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14 | our $CVSID = q$Id$; |
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15 | our $CVSREV = (q$Revision$ =~ /^Revision: (.*) $/)[0]; |
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16 | |
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17 | =head1 METHODS |
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18 | |
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19 | =head2 ObsData::Repository |
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20 | |
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21 | =head3 new($parent, %param) |
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22 | |
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23 | Create a new ObsData::Repository object |
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24 | |
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25 | =over 4 |
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26 | |
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27 | =item $parent |
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28 | |
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29 | A ObsData::Repository to take information |
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30 | |
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31 | =item %param |
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32 | |
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33 | A list of paramter to set in new object: |
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34 | |
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35 | =over 4 |
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36 | |
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37 | =item datatype |
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38 | |
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39 | If set, only this datatype will be checked |
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40 | |
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41 | =item obs |
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42 | |
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43 | The obsveratory where data come from, informationnal only |
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44 | |
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45 | =item dir |
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46 | |
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47 | The based directory where archive are located |
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48 | |
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49 | =item glob |
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50 | |
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51 | Apply this glob to search files in dir |
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52 | |
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53 | =item statusfile |
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54 | |
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55 | The file where status info should be written |
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56 | |
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57 | =item status |
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58 | |
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59 | The Config::IniFiles object |
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60 | |
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61 | =back |
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62 | |
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63 | =back |
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64 | |
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65 | =cut |
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66 | |
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67 | sub new { |
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68 | my ($class, $parent, %param) = @_; |
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69 | |
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70 | my $or = { %$parent }; |
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71 | foreach (keys %param) { |
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72 | $or->{$_} = $param{$_}; |
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73 | } |
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74 | |
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75 | $or->{obsdata} or die "Error #1de8d015, please insult programmer"; |
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76 | $or->{dir} or die "No dir given"; |
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77 | -d $or->{dir} or return undef; |
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78 | |
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79 | $or->{status} ||= new Config::IniFiles( |
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80 | -file => (($or->{statusfile} && -f $or->{statusfile}) ? $or->{statusfile} : undef), |
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81 | # -default => '.', # Is this a good idea |
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82 | ); |
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83 | $or->{statusfile} ||= $or->{status}->GetFileName; |
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84 | |
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85 | bless($or, $class); |
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86 | |
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87 | $or; |
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88 | } |
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89 | |
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90 | sub DESTROY { |
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91 | my ($self) = @_; |
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92 | $self->logging(0, "Destroy ObsData::Repository for %s", ref($self)); |
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93 | $self->save_status; |
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94 | } |
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95 | |
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96 | =head3 update_global_status |
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97 | |
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98 | Set standard information into status ini file |
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99 | |
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100 | =cut |
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101 | |
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102 | sub update_global_status { |
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103 | my ($self) = @_; |
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104 | $self->{status}->AddSection('.'); |
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105 | $self->{status}->SetSectionComment('.', |
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106 | $ObsData::CVSID, |
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107 | $ObsData::Repository::CVSID, |
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108 | scalar(localtime), |
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109 | ); |
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110 | |
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111 | my $hostname = `hostname`; |
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112 | chomp($hostname); |
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113 | $self->{status}->newval('.', 'hostname', $hostname); |
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114 | $self->{status}->SetParameterComment( |
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115 | '.', |
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116 | 'hostname', |
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117 | 'The computer host name' |
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118 | ); |
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119 | |
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120 | $self->{status}->newval('.', 'directory', $self->{dir}); |
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121 | $self->{status}->SetParameterComment( |
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122 | '.', |
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123 | 'directory', |
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124 | 'Directory where archive where located' |
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125 | ); |
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126 | |
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127 | $self->{status}->newval('.', 'runfrom', getcwd()); |
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128 | $self->{status}->SetParameterComment( |
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129 | '.', |
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130 | 'runfrom', |
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131 | 'The current directory' |
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132 | ); |
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133 | } |
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134 | |
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135 | =head3 save_status |
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136 | |
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137 | Save current information about parsed files into status file |
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138 | |
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139 | =cut |
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140 | |
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141 | sub save_status { |
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142 | my ($self) = @_; |
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143 | $self->{statusfile} or return; |
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144 | if (!$self->{dry_run}) { |
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145 | $self->update_global_status; |
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146 | $self->{status}->WriteConfig($self->{statusfile}); |
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147 | } |
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148 | } |
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149 | |
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150 | =head3 dump_status($output) |
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151 | |
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152 | Dump current status file into $output, see Config::IniFiles, |
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153 | function WriteConfig |
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154 | |
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155 | =cut |
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156 | |
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157 | sub dump_status { |
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158 | my ($self, $output) = @_; |
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159 | $self->update_global_status; |
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160 | $self->{status}->WriteConfig($output); |
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161 | } |
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162 | |
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163 | =head3 logging($level, $msg, ...) |
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164 | |
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165 | Pass a message for logging to ObsData Object. See L<ObsData> |
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166 | |
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167 | =cut |
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168 | |
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169 | sub logging { |
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170 | my $self = shift; |
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171 | $self->{obsdata}->logging(@_); |
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172 | } |
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173 | |
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174 | =head2 ObsData::Repository::dir |
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175 | |
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176 | The child class to handle directory |
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177 | |
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178 | =cut |
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179 | |
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180 | package ObsData::Repository::dir; |
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181 | |
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182 | our @ISA = qw(ObsData::Repository); |
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183 | |
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184 | =head3 new |
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185 | |
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186 | =cut |
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187 | |
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188 | sub new { |
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189 | my ($class, $infos, %param) = @_; |
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190 | |
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191 | my $or = ObsData::Repository->new($infos, %param) or return; |
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192 | |
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193 | bless($or, $class); |
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194 | } |
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195 | |
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196 | =head3 findfile |
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197 | |
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198 | Return the list of files needing to be checked |
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199 | |
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200 | =cut |
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201 | |
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202 | sub findfile { |
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203 | my ($self) = @_; |
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204 | my @files; |
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205 | |
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206 | if (!-d $self->{dir}) { |
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207 | $self->logging(3, |
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208 | "directory %s does not exists", |
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209 | $self->{dir}, |
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210 | ); |
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211 | return; |
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212 | } |
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213 | |
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214 | my $patern = $self->{patern} || '*'; |
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215 | foreach my $f (glob("$self->{dir}/$patern")) { |
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216 | |
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217 | -f $f or next; # skip no regular files |
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218 | $f =~ m/obsdata\.ini$/ and next; # avoid default status file |
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219 | |
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220 | my $bf = $f; |
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221 | $bf =~ s!^\Q$self->{dir}\E/*!!; |
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222 | push(@files, $bf); |
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223 | } |
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224 | @files |
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225 | } |
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226 | |
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227 | =head3 process |
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228 | |
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229 | Process all files in directory |
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230 | |
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231 | =cut |
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232 | |
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233 | sub process { |
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234 | my ($self) = @_; |
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235 | $self->logging(0, "%s() start for %s", (caller(0))[3], $self->{dir}); |
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236 | |
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237 | foreach my $file ($self->findfile) { |
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238 | my $orda = ObsData::Repository::dir::archive->new( |
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239 | $self, |
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240 | archivefile => $file, |
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241 | ); |
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242 | if(!$orda->do_continue('do_archive')) { |
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243 | $self->logging(0, |
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244 | "Archive %s/%s allready parsed, skipping", |
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245 | $self->{dir}, |
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246 | $file |
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247 | ); |
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248 | next; |
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249 | } |
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250 | $orda->process; |
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251 | } |
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252 | } |
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253 | |
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254 | =head2 ObsData::Repository::dir::archive |
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255 | |
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256 | Object to handle archive and to dispatch data |
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257 | |
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258 | =cut |
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259 | |
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260 | package ObsData::Repository::dir::archive; |
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261 | |
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262 | our @ISA = qw(ObsData::Repository); |
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263 | |
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264 | =head3 new |
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265 | |
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266 | =cut |
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267 | |
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268 | sub new { |
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269 | my ($class, $infos, %param) = @_; |
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270 | |
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271 | my $or = ObsData::Repository->new($infos, %param) or return; |
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272 | # dir directory to parse |
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273 | $or->{archivefile} or die "No archivefile given"; |
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274 | |
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275 | # $or->{interative_callback} |
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276 | $or->{_cache_checks} = {}; |
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277 | |
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278 | $or->logging(0, |
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279 | "Preparing to parse %s/%s", |
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280 | $or->{dir}, |
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281 | $or->{archivefile} |
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282 | ); |
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283 | |
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284 | bless($or, $class); |
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285 | } |
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286 | |
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287 | =head3 load_archive |
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288 | |
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289 | Try to read archive, return 1 on success |
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290 | |
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291 | =cut |
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292 | |
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293 | sub load_archive { |
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294 | my ($self) = @_; |
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295 | if ($self->{Oarchive}) { |
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296 | return 1; |
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297 | } else { |
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298 | $self->{Oarchive} = ObsData::Archive->new("$self->{dir}/$self->{archivefile}"); |
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299 | if ($self->{Oarchive}) { |
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300 | $self->logging(0, |
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301 | "Archive %s/%s properly load", |
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302 | $self->{dir}, $self->{archivefile} |
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303 | ); |
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304 | return 1; |
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305 | } else { |
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306 | $self->logging(4, |
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307 | "Can't handle archive %s/%s: %s, skipping", |
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308 | $self->{dir}, $self->{archivefile}, |
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309 | ObsData::Archive->error |
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310 | ); |
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311 | return 0; |
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312 | } |
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313 | } |
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314 | } |
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315 | |
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316 | =head2 getvalue |
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317 | |
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318 | =cut |
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319 | |
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320 | sub getvalue { |
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321 | my ($self, $var, $default) = @_; |
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322 | return $self->{status}->val($self->{archivefile}, $var, $default); |
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323 | } |
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324 | |
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325 | =head2 setvalue |
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326 | |
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327 | =cut |
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328 | |
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329 | sub setvalue { |
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330 | my ($self, $var, $val, $comment) = @_; |
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331 | if (!$self->{status}->SectionExists($self->{archivefile})) { |
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332 | $self->{status}->AddSection($self->{archivefile}); |
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333 | } |
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334 | $self->{status}->newval($self->{archivefile}, $var, $val) if(defined($val)); |
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335 | $self->{status}->SetParameterComment( |
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336 | $self->{archivefile}, $var, $comment |
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337 | ) if(defined($comment)); |
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338 | } |
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339 | |
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340 | =head2 get_data_value |
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341 | |
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342 | =cut |
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343 | |
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344 | sub get_data_value { |
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345 | my ($self, $datafile, $var, $default) = @_; |
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346 | return $self->getvalue( |
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347 | sprintf('data_%s_%s', $var, $datafile), |
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348 | $var, |
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349 | $default |
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350 | ); |
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351 | } |
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352 | |
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353 | =head2 set_data_value |
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354 | |
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355 | =cut |
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356 | |
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357 | sub set_data_value { |
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358 | my ($self, $datafile, $var, $val, $comment) = @_; |
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359 | $self->setvalue( |
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360 | sprintf('data_%s_%s', $var, $datafile), |
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361 | $val, |
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362 | $comment |
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363 | ); |
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364 | } |
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365 | |
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366 | =head3 checks |
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367 | |
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368 | =cut |
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369 | |
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370 | my $checks = { |
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371 | archive_exists => sub { |
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372 | my ($self) = @_; |
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373 | my $res; |
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374 | if($self->{status}->SectionExists($self->{archivefile})) { |
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375 | $res = 1; |
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376 | } else { |
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377 | $res = 0; |
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378 | } |
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379 | return( |
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380 | $res, |
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381 | $self->logging(0, |
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382 | "%s/%s is%s new archive", |
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383 | $self->{dir}, |
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384 | $self->{archivefile}, |
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385 | $res ? " not" : "", |
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386 | ) |
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387 | ); |
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388 | }, |
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389 | |
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390 | archive_size => sub { |
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391 | my ($self) = @_; |
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392 | my $res; |
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393 | if (defined(my $oldsize = $self->getvalue('size')) && |
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394 | defined(my $size = (stat("$self->{dir}/$self->{archivefile}"))[7])) { |
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395 | my $res = $size <=> $oldsize; |
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396 | return $res, $self->logging(0, |
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397 | "Size for %s/%s %s", |
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398 | $self->{dir}, |
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399 | $self->{archivefile}, |
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400 | $res == 0 ? |
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401 | sprintf("does not differ (%d)", $size) : |
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402 | sprintf("differ %d => %d", $oldsize, $size) |
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403 | ); |
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404 | } |
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405 | }, |
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406 | |
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407 | archive_mtime => sub { |
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408 | my ($self) = @_; |
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409 | my $res; |
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410 | if (defined(my $oldmtime = $self->getvalue('mtime')) && |
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411 | defined(my $mtime = (stat("$self->{dir}/$self->{archivefile}"))[9])) { |
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412 | my $res = $mtime <=> $oldmtime; |
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413 | return $res, $self->logging(0, |
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414 | "Mtime for %s/%s %s", |
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415 | $self->{dir}, |
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416 | $self->{archivefile}, |
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417 | $res == 0 ? |
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418 | sprintf("does not differ (%d)", $mtime) : |
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419 | sprintf("differ %d => %d", $oldmtime, $mtime) |
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420 | ); |
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421 | } |
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422 | }, |
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423 | |
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424 | dest_exists => sub { |
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425 | my ($self, $check, $datafile, $dest) = @_; |
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426 | if (-e $dest) { |
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427 | return 1, "$dest exists"; |
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428 | } else { |
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429 | return 0, "$dest don't exists"; |
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430 | } |
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431 | }, |
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432 | |
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433 | data_extracted => sub { |
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434 | my ($self, $check, $datafile) = @_; |
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435 | my $last_process = $self->get_data_value($datafile, 'processtime'); |
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436 | if ($last_process) { |
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437 | $self->logging(0, "%s/%s has been already processed at %s", |
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438 | $self->{archivefile}, |
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439 | $datafile, |
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440 | scalar(localtime($last_process)), |
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441 | ); |
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442 | } |
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443 | $last_process |
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444 | }, |
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445 | }; |
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446 | |
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447 | #sub DESTROY { |
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448 | # my ($self) = @_; |
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449 | # $self->logging(0, "Destroy ObsData::Repository::archive for %s", ref($self)); |
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450 | # $self->SUPER::DESTROY(); |
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451 | #} |
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452 | |
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453 | =head3 do_check($check, @args) |
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454 | |
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455 | Perform $check with @args if exists and return result of check |
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456 | |
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457 | =cut |
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458 | |
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459 | sub do_check { |
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460 | my ($self, $check, @args) = @_; |
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461 | |
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462 | if (!$checks->{$check}) { |
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463 | die $self->logging(5, |
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464 | "check %s does not exists, exiting now", |
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465 | $check |
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466 | ); |
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467 | } |
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468 | |
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469 | return $checks->{$check}->($self, $check, @args); |
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470 | } |
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471 | |
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472 | sub populate_event { |
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473 | my ($self, $oevent, @args) = @_; |
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474 | my ($code, $text); |
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475 | |
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476 | for ($oevent->id) { |
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477 | /^do_archive$/ and do { |
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478 | foreach my $t (qw(archive_size archive_mtime archive_exists)) { |
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479 | ($code, $text) = $self->do_check($t); |
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480 | $oevent->add_test($t, $text, $code); |
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481 | } |
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482 | last; |
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483 | }; |
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484 | /^do_data$/ and do { |
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485 | last; |
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486 | }; |
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487 | /^overwrite$/ and do { |
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488 | ($code, $text) = $self->do_check('dest_exists', @args); |
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489 | $oevent->add_test('dest_exists', $text, $code); |
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490 | last; |
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491 | }; |
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492 | } |
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493 | } |
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494 | |
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495 | =head3 default_choice($oevent) |
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496 | |
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497 | =cut |
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498 | |
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499 | sub default_choice { |
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500 | my ($self, $oevent) = @_; |
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501 | |
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502 | for ($oevent->id) { |
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503 | /^do_archive$/ and do { |
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504 | last; |
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505 | }; |
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506 | /^do_data$/ and do { |
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507 | last; |
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508 | }; |
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509 | /^overwrite$/ and do { |
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510 | last; |
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511 | }; |
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512 | } |
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513 | } |
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514 | |
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515 | =head3 do_continue($why, @args) |
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516 | |
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517 | Perform default or call the interactive callback. |
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518 | |
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519 | $why is the reason of the call |
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520 | @args are argument to passed to callback |
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521 | |
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522 | =cut |
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523 | |
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524 | sub do_continue { |
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525 | my ($self, $why, @args) = @_; |
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526 | |
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527 | my $oevent = ObsData::Event->new($why, $why); |
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528 | $self->populate_event( |
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529 | $oevent, @args |
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530 | ); |
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531 | |
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532 | if ($self->{interative_callback}) { |
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533 | return $self->{interative_callback}->($self, $oevent); |
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534 | } else { |
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535 | return $self->default_choice($oevent); |
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536 | } |
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537 | } |
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538 | |
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539 | =head3 list_archive |
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540 | |
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541 | Return archive content |
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542 | |
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543 | =cut |
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544 | |
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545 | sub list_archive { |
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546 | my ($self) = @_; |
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547 | $self->load_archive or return; |
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548 | |
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549 | return $self->{Oarchive}->ls; |
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550 | } |
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551 | |
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552 | =head3 update_status |
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553 | |
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554 | Update status information about current archive |
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555 | |
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556 | =cut |
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557 | |
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558 | sub update_status { |
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559 | my ($self) = @_; |
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560 | my @filestats = stat("$self->{dir}/$self->{archivefile}"); |
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561 | |
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562 | $self->setvalue('mtime', $filestats[9]); |
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563 | $self->setvalue('size', $filestats[7]); |
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564 | $self->setvalue('configtime', $self->{obsdata}->config_mtime); |
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565 | } |
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566 | |
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567 | # Sub data function: |
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568 | |
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569 | |
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570 | |
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571 | =head3 get_data_dest($datafile) |
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572 | |
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573 | Return the datatype and destination for $datafile |
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574 | |
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575 | =cut |
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576 | |
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577 | sub get_data_dest { |
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578 | my ($self, $datafile) = @_; |
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579 | |
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580 | my ($t, $d) = $self->{obsdata}->build_dest_filename( |
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581 | $datafile, |
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582 | $self->{datatype} |
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583 | ); |
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584 | $self->logging(0, "%s/%s file, datatype %s, destination %s", |
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585 | $self->{archivefile}, |
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586 | $datafile, |
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587 | $t || '(none)', |
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588 | $d || '(none)', |
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589 | ); |
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590 | if ($t) { |
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591 | $self->set_data_value($datafile, 'type', $t); |
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592 | } |
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593 | return($t, $d); |
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594 | } |
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595 | |
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596 | =head3 extract_data($datafile, $datatype, $destfile) |
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597 | |
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598 | Extract data file into $destfile, $datafile is informationnal only. |
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599 | |
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600 | $datatype and $destfile are the result of L<get_data_dest>. |
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601 | |
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602 | A basic call is: |
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603 | $o->extract_data($file, $self->get_data_dest($file)); |
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604 | |
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605 | Return 1 on success |
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606 | |
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607 | =cut |
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608 | |
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609 | sub extract_data { |
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610 | # $datatype, informationnal only here |
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611 | my ($self, $datafile, $datatype, $destfile) = @_; |
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612 | $self->load_archive or return 0; |
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613 | my $ltime = time; |
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614 | |
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615 | $self->set_data_value( |
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616 | $datafile, |
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617 | 'processtime', |
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618 | $ltime, |
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619 | scalar(localtime($ltime)) . |
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620 | ", $ObsData::VERSION: $ObsData::CVSREV, $ObsData::Repository::CVSREV", |
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621 | ); |
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622 | $self->set_data_value( |
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623 | $datafile, |
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624 | 'processversion', |
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625 | $ObsData::VERSION, |
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626 | ); |
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627 | |
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628 | if (!$destfile) { |
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629 | $self->logging(3, |
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630 | "%s/%s has no destination", |
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631 | $self->{archivefile}, $datafile, |
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632 | ); |
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633 | return 0; |
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634 | } |
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635 | |
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636 | if(!$self->do_continue('overwrite', $datafile, $destfile)) { |
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637 | $self->logging(3, |
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638 | "%s extracted from %s/%s already exists, I won't overwrite it", |
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639 | $destfile, |
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640 | $self->{archivefile}, $datafile, |
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641 | ); |
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642 | return 0; |
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643 | } |
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644 | |
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645 | $self->logging(0, |
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646 | "Trying to extract %s from %s/%s", |
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647 | $destfile, |
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648 | $self->{archivefile}, $datafile |
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649 | ); |
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650 | |
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651 | my ($dirname) = $destfile =~ m!(?:(.*)/)?(.*)$!; #! vim syntax sux |
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652 | |
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653 | if ($dirname && ! -d $dirname) { |
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654 | $self->logging(1, "Creating directory %s", $dirname); |
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655 | if ($self->{dry_run}) { |
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656 | $self->logging(1, |
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657 | "Testing mode, assume %s was correctly created", |
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658 | $dirname |
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659 | ); |
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660 | } else { |
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661 | if( ! File::Path::mkpath($dirname)) { |
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662 | $self->logging( |
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663 | 4, "Can't create directory %s", |
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664 | $dirname |
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665 | ); |
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666 | return 0; |
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667 | } |
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668 | } |
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669 | } |
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670 | |
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671 | if ($self->{dry_run}) { |
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672 | $self->logging(2, |
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673 | "Testing mode, %s/%s would be extracted as %s", |
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674 | $self->{archivefile}, |
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675 | $datafile, |
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676 | $destfile, |
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677 | ); |
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678 | } else { |
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679 | if ($self->{Oarchive}->extract($datafile, $destfile)) { |
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680 | $self->set_data_value($datafile, 'dest', $destfile); |
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681 | $self->logging( |
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682 | 2, "Extraction of %s/%s done as %s", |
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683 | $self->{archivefile}, |
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684 | $datafile, |
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685 | $destfile, |
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686 | ); |
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687 | } else { |
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688 | $self->logging( |
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689 | 4, "Can't extract %s/%s to %s: %s", |
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690 | $self->{archivefile}, $datafile, $destfile, |
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691 | $self->{Oarchive}->error, |
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692 | ); |
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693 | return 0; |
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694 | } |
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695 | } |
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696 | |
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697 | return 1; |
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698 | } |
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699 | |
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700 | =head3 process |
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701 | |
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702 | Process all files in the archive |
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703 | |
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704 | =cut |
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705 | |
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706 | sub process { |
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707 | my ($self) = @_; |
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708 | |
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709 | foreach my $data ($self->list_archive) { |
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710 | if (!$self->do_continue('do_data', $data)) { |
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711 | $self->logging(0, |
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712 | "%s/%s has allready processed, skipping", |
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713 | $self->{archivefile}, |
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714 | $data |
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715 | ); |
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716 | next; |
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717 | } |
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718 | $self->extract_data($data, $self->get_data_dest($data)); |
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719 | } |
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720 | |
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721 | $self->update_status; |
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722 | |
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723 | return 1; |
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724 | } |
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725 | |
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726 | =head1 AUTHOR |
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727 | |
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728 | Olivier Thauvin <olivier.thauvin@aerov.jussieu.fr> |
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729 | |
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730 | =cut |
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731 | |
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732 | 1; |
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