| 1 |
## --------------------------------------------------------------------------- |
| 2 |
## $Id: shortcuts.pm,v 1.12 2003/06/23 19:43:19 joko Exp $ |
| 3 |
## --------------------------------------------------------------------------- |
| 4 |
## $Log: shortcuts.pm,v $ |
| 5 |
## Revision 1.12 2003/06/23 19:43:19 joko |
| 6 |
## minor cleanup |
| 7 |
## now using IPC::Session::NoShell |
| 8 |
## |
| 9 |
## Revision 1.11 2003/06/23 17:41:50 jonen |
| 10 |
## + NEW - used IPC::Session instead of IPC::Run to get better results at linux |
| 11 |
## |
| 12 |
## Revision 1.10 2003/06/23 15:59:16 joko |
| 13 |
## major/minor fixes? |
| 14 |
## |
| 15 |
## Revision 1.9 2003/05/13 05:36:24 joko |
| 16 |
## heavy modifications to run_cmd |
| 17 |
## + sub get_executable |
| 18 |
## + sub get_executable_wrapper |
| 19 |
## |
| 20 |
## Revision 1.8 2003/04/04 17:31:59 joko |
| 21 |
## + sub make_guid |
| 22 |
## |
| 23 |
## Revision 1.7 2003/03/29 07:24:10 joko |
| 24 |
## enhanced 'run_cmd': now tries to execute program with appropriate application (e.g. 'cmd.exe' or 'perl') |
| 25 |
## |
| 26 |
## Revision 1.6 2003/03/28 06:58:06 joko |
| 27 |
## new: 'run_cmd' now asynchronous! (via IPC::Run...) |
| 28 |
## |
| 29 |
## Revision 1.5 2003/02/22 17:26:13 joko |
| 30 |
## + enhanced unix compatibility fix |
| 31 |
## |
| 32 |
## Revision 1.4 2003/02/22 17:19:36 joko |
| 33 |
## + unix compatibility fix |
| 34 |
## |
| 35 |
## Revision 1.3 2003/02/14 14:17:04 joko |
| 36 |
## - shortened seperator |
| 37 |
## |
| 38 |
## Revision 1.2 2003/02/11 05:14:28 joko |
| 39 |
## + refactored code from libp.pm |
| 40 |
## |
| 41 |
## Revision 1.1 2003/02/09 04:49:45 joko |
| 42 |
## + shortcuts now refactored to this file |
| 43 |
## |
| 44 |
## --------------------------------------------------------------------------- |
| 45 |
|
| 46 |
|
| 47 |
package shortcuts; |
| 48 |
|
| 49 |
use strict; |
| 50 |
use warnings; |
| 51 |
|
| 52 |
require Exporter; |
| 53 |
our @ISA = qw( Exporter ); |
| 54 |
our @EXPORT_OK = qw( |
| 55 |
strftime |
| 56 |
now today |
| 57 |
run_cmd run_cmds |
| 58 |
get_chomped |
| 59 |
bool2status |
| 60 |
make_guid |
| 61 |
); |
| 62 |
|
| 63 |
|
| 64 |
use Data::Dumper; |
| 65 |
use POSIX qw( strftime ); |
| 66 |
#use IPC::Run qw( run timeout ); |
| 67 |
use IPC::Run qw( start pump finish timeout run ) ; |
| 68 |
use Carp; |
| 69 |
|
| 70 |
# NEW - 2003-06-23 for Linux (what about *BSD?) |
| 71 |
use IPC::Session; |
| 72 |
|
| 73 |
|
| 74 |
# $now_string = strftime "%a %b %e %H:%M:%S %Y", localtime; |
| 75 |
# see "perldoc -f localtime" |
| 76 |
sub now { |
| 77 |
my $options = shift; |
| 78 |
my $pattern = "%Y-%m-%d %H:%M:%S"; |
| 79 |
$pattern = "%Y-%m-%d_%H-%M-%S" if $options->{fs}; |
| 80 |
my $result = strftime($pattern, localtime); |
| 81 |
return $result; |
| 82 |
} |
| 83 |
|
| 84 |
sub today { |
| 85 |
return strftime("%Y-%m-%d", localtime); |
| 86 |
} |
| 87 |
|
| 88 |
sub RUNNING_IN_HELL () { $^O eq 'MSWin32' } |
| 89 |
|
| 90 |
|
| 91 |
sub get_executable { |
| 92 |
my $cmd = shift; |
| 93 |
# FIXME: detect type of program and run with proper application/interpreter |
| 94 |
# using IPC::Run we have to dispatch this on our own! *no* os-interaction or interpolation here!? |
| 95 |
# => better use absolute path-names only?! |
| 96 |
my $application = ''; |
| 97 |
if ($cmd =~ m/\w+\.pl\s*.*/) { |
| 98 |
$application = get_interpreter_wrapper($cmd, 'perl'); |
| 99 |
#$cmd = "$application $cmd" if $application; |
| 100 |
$application .= ' '; |
| 101 |
|
| 102 |
} else { |
| 103 |
$application = './'; |
| 104 |
} |
| 105 |
return $application; |
| 106 |
} |
| 107 |
|
| 108 |
sub get_interpreter_wrapper { |
| 109 |
my $cmd = shift; |
| 110 |
my $language = shift; |
| 111 |
$language ||= ''; |
| 112 |
|
| 113 |
my $wrapper = ''; |
| 114 |
|
| 115 |
if ($language eq 'perl') { |
| 116 |
|
| 117 |
if (RUNNING_IN_HELL()) { |
| 118 |
# Required to adapt to IPC::Run on win32. |
| 119 |
$wrapper = 'cmd.exe /C perl'; |
| 120 |
} else { |
| 121 |
# NEW 2003-06-23 - needed if used with IPC::Session (at Linux) |
| 122 |
# whats about Win32? |
| 123 |
$wrapper = 'perl'; |
| 124 |
} |
| 125 |
|
| 126 |
} else { |
| 127 |
die("No wrapper for language '$language'."); |
| 128 |
} |
| 129 |
|
| 130 |
return $wrapper; |
| 131 |
} |
| 132 |
|
| 133 |
|
| 134 |
sub run_cmd { |
| 135 |
my $cmd = shift; |
| 136 |
my $caption = shift; |
| 137 |
my $options = shift; |
| 138 |
|
| 139 |
#print Dumper($options); |
| 140 |
|
| 141 |
# report - header |
| 142 |
my $sep = "-" x 60; |
| 143 |
print STDERR $sep, "\n"; |
| 144 |
print STDERR " ", $cmd; |
| 145 |
print STDERR " - ", $caption if $caption; |
| 146 |
print STDERR "\n", $sep, "\n"; |
| 147 |
|
| 148 |
# strip name of executable from full command string |
| 149 |
$cmd =~ m/(.+?)\s/; |
| 150 |
my $executable = $1; |
| 151 |
|
| 152 |
=pod |
| 153 |
# for unix: check if executable is in local directory, if so - prefix with './' |
| 154 |
if (!RUNNING_IN_HELL()) { |
| 155 |
#if ($cmd !~ m/\//) { |
| 156 |
if (-e $executable) { |
| 157 |
} |
| 158 |
} |
| 159 |
=cut |
| 160 |
|
| 161 |
# new of 2003-05-07: basedir option to be prepended to command string |
| 162 |
my $basedir = $options->{BASEDIR}; |
| 163 |
my $use_path = $options->{USE_PATH}; |
| 164 |
|
| 165 |
# for all systems: check existance of files - use basedir if given, try current directory otherwise |
| 166 |
if ($basedir) { |
| 167 |
-e "$basedir/$executable" or die("$basedir/$executable does not exist."); |
| 168 |
$basedir .= '/'; |
| 169 |
} elsif ($use_path) { |
| 170 |
$basedir = ""; |
| 171 |
} else { |
| 172 |
-e $executable or die("$executable does not exist."); |
| 173 |
#$basedir = "."; |
| 174 |
#$basedir .= './'; |
| 175 |
$basedir = ""; |
| 176 |
} |
| 177 |
$cmd = "$basedir$cmd"; |
| 178 |
|
| 179 |
# V1 - backticks or qq{} |
| 180 |
#`$cmd`; |
| 181 |
#qq{$cmd}; |
| 182 |
|
| 183 |
# V2 - via 'system' |
| 184 |
#system($cmd); |
| 185 |
|
| 186 |
if (not $use_path) { |
| 187 |
my $application = get_executable($cmd); |
| 188 |
$cmd = "$application$cmd" if $application; |
| 189 |
} |
| 190 |
|
| 191 |
# V3 - using IPC (optional) |
| 192 |
if ($options->{async}) { |
| 193 |
|
| 194 |
#run \@cmd, \$in, \$out, \$err, timeout( 10 ) or die "cat: $?"; |
| 195 |
my @cmd = split(' ', $cmd); |
| 196 |
|
| 197 |
|
| 198 |
# V3.1 - using IPC::Run |
| 199 |
# |
| 200 |
# tests: |
| 201 |
|
| 202 |
if (RUNNING_IN_HELL()) { |
| 203 |
|
| 204 |
#my $in; my $out; my $err; |
| 205 |
print STDERR "run_cmd: IPC::Run: $cmd", "\n"; |
| 206 |
|
| 207 |
# no success! |
| 208 |
#start \@cmd, timeout(0) or croak("run_cmd: IPC::Run could not start '$cmd'."); |
| 209 |
# |
| 210 |
# success on Win32, but seems broken at 'timeout' on linux: |
| 211 |
run(\@cmd, timeout(4)) or croak("run_cmd: IPC::Run could not start '$cmd'."); |
| 212 |
|
| 213 |
# other tests ;) |
| 214 |
#$IPC::Run::Timer::timeout = 2000; |
| 215 |
#start $cmd or die("IPC::Run could not start '$cmd'."); |
| 216 |
|
| 217 |
} else { |
| 218 |
|
| 219 |
print STDERR "run_cmd: IPC::Session: $cmd", "\n"; |
| 220 |
|
| 221 |
# V3.2 - using IPC::Session |
| 222 |
# success on Linux AND Win32 ?? |
| 223 |
# |
| 224 |
# set timeout: |
| 225 |
# (don't really know why we needs 2 secconds |
| 226 |
# to wait for init of process !?!) |
| 227 |
my $session_timeout = 3; |
| 228 |
# set session name (default: cmd as string): |
| 229 |
my $session_name = $cmd; |
| 230 |
# create session: |
| 231 |
my $session = IPC::Session->new($session_name, $session_timeout); |
| 232 |
|
| 233 |
# send 'cmd' to session - not required since complete command is sent via constructor above |
| 234 |
$session->send(\@cmd); |
| 235 |
|
| 236 |
#print $session->stdout(), "\n"; |
| 237 |
|
| 238 |
# optional switch case: |
| 239 |
#for ($session->stdout()) { |
| 240 |
#} |
| 241 |
# optional get error: |
| 242 |
#my $err = session->stderr(); |
| 243 |
} |
| 244 |
|
| 245 |
} else { |
| 246 |
print STDERR "run_cmd: system('$cmd').", "\n"; |
| 247 |
system($cmd); |
| 248 |
} |
| 249 |
|
| 250 |
print STDERR "run_cmd: ready.", "\n"; |
| 251 |
|
| 252 |
} |
| 253 |
|
| 254 |
sub run_cmds { |
| 255 |
my $options = {}; |
| 256 |
if (ref $_[$#_] eq 'HASH') { |
| 257 |
#print "YAI", "\n"; |
| 258 |
$options = pop @_; |
| 259 |
} |
| 260 |
foreach (@_) { |
| 261 |
run_cmd($_, '', $options); |
| 262 |
} |
| 263 |
} |
| 264 |
|
| 265 |
sub get_chomped { |
| 266 |
my $str = shift; |
| 267 |
chomp($str); |
| 268 |
return $str; |
| 269 |
} |
| 270 |
|
| 271 |
sub bool2status { |
| 272 |
my $bool = shift; |
| 273 |
return ($bool ? 'ok' : 'failed'); |
| 274 |
} |
| 275 |
|
| 276 |
# create global unique identifers using Data::UUID |
| 277 |
# if updating this code, please also modify Tangram::Storage::make_guid |
| 278 |
sub make_guid |
| 279 |
{ |
| 280 |
my $self = shift; |
| 281 |
|
| 282 |
my $guid; |
| 283 |
|
| 284 |
# try to use Data::UUID first ... |
| 285 |
eval("use Data::UUID;"); |
| 286 |
if (!$@) { |
| 287 |
my $ug = Data::UUID->new(); |
| 288 |
$guid = $ug->create_str(); |
| 289 |
|
| 290 |
# ... if this fails, try to fallback to Data::UUID::PurePerl instead ... |
| 291 |
} else { |
| 292 |
eval("use Data::UUID::PurePerl;"); |
| 293 |
if (!$@) { |
| 294 |
$guid = Data::UUID::PurePerl::generate_id(); |
| 295 |
} else { |
| 296 |
croak "couldn't create globally unique identifier"; |
| 297 |
} |
| 298 |
} |
| 299 |
|
| 300 |
return $guid; |
| 301 |
} |
| 302 |
|
| 303 |
1; |
| 304 |
__END__ |
Parent Directory
| 
Revision Log
