perl/libs/shortcuts.pm

## ---------------------------------------------------------------------------
##  $Id: shortcuts.pm,v 1.17 2003/07/02 11:17:32 jonen Exp $
## ---------------------------------------------------------------------------
##  $Log: shortcuts.pm,v $
##  Revision 1.17  2003/07/02 11:17:32  jonen
##  minor changes
##
##  Revision 1.16  2003/06/25 22:49:56  joko
##  RUNNING_IN_HELL mode for detach option
##
##  Revision 1.15  2003/06/24 20:21:12  jonen
##  + changed linux part of run_cmd to use Proc::Background instead of IPC::...
##
##  Revision 1.14  2003/06/24 20:13:18  joko
##  + sub findpatch
##  + now using findpatch and Proc::Background for win32/perl
##
##  Revision 1.13  2003/06/23 20:58:31  joko
##  restructured, hopefully makes Linux and Windows (and *BSD) more compatible...  what about IPC::Cmd???
##
##  Revision 1.12  2003/06/23 19:43:19  joko
##  minor cleanup
##  now using IPC::Session::NoShell
##
##  Revision 1.11  2003/06/23 17:41:50  jonen
##  + NEW - used IPC::Session instead of IPC::Run to get better results at linux
##
##  Revision 1.10  2003/06/23 15:59:16  joko
##  major/minor fixes?
##
##  Revision 1.9  2003/05/13 05:36:24  joko
##  heavy modifications to run_cmd
##  + sub get_executable
##  + sub get_executable_wrapper
##
##  Revision 1.8  2003/04/04 17:31:59  joko
##  + sub make_guid
##
##  Revision 1.7  2003/03/29 07:24:10  joko
##  enhanced 'run_cmd': now tries to execute program with appropriate application (e.g. 'cmd.exe' or 'perl')
##
##  Revision 1.6  2003/03/28 06:58:06  joko
##  new: 'run_cmd' now asynchronous! (via IPC::Run...)
##
##  Revision 1.5  2003/02/22 17:26:13  joko
##  + enhanced unix compatibility fix
##
##  Revision 1.4  2003/02/22 17:19:36  joko
##  + unix compatibility fix
##
##  Revision 1.3  2003/02/14 14:17:04  joko
##  - shortened seperator
##
##  Revision 1.2  2003/02/11 05:14:28  joko
##  + refactored code from libp.pm
##
##  Revision 1.1  2003/02/09 04:49:45  joko
##  + shortcuts now refactored to this file
##
## ---------------------------------------------------------------------------


package shortcuts;

use strict;
use warnings;

require Exporter;
our @ISA = qw( Exporter );
our @EXPORT_OK = qw( 
  strftime
  now today
  run_cmd run_cmds
  get_chomped
  bool2status
  make_guid
);


use Data::Dumper;
use POSIX qw( strftime );
#use IPC::Run qw( run timeout );
use IPC::Run qw( start pump finish timeout run timer ) ;
use Carp;

# NEW - 2003-06-23 for Linux (what about *BSD?)
#use IPC::Session;

use File::Spec;
use Proc::Background;


# $now_string = strftime "%a %b %e %H:%M:%S %Y", localtime;
# see "perldoc -f localtime"
sub now {
  my $options = shift;
  my $pattern = "%Y-%m-%d %H:%M:%S";
  $pattern = "%Y-%m-%d_%H-%M-%S" if $options->{fs};
  my $result = strftime($pattern, localtime);
  return $result;
}

sub today {
  return strftime("%Y-%m-%d", localtime);
}

sub RUNNING_IN_HELL () { $^O eq 'MSWin32' }


sub get_executable {
  my $cmd = shift;
  # FIXME: detect type of program and run with proper application/interpreter
  # using IPC::Run we have to dispatch this on our own! *no* os-interaction or interpolation here!?
  # => better use absolute path-names only?!
  my $application = '';
  if ($cmd =~ m/\w+\.pl\s*.*/) {
      $application = get_interpreter_wrapper($cmd, 'perl');
      #$cmd = "$application $cmd" if $application;
      $application .= ' ';
    
  } else {
    $application = './';
  }
  return $application;
}

sub get_interpreter_wrapper {
  my $cmd = shift;
  my $language = shift;
  $language ||= '';

  my $wrapper = '';

  if ($language eq 'perl') {
  
    if (RUNNING_IN_HELL()) {
      # Required to adapt to IPC::Run on win32.
      #$wrapper = 'cmd.exe /C perl';
      #$wrapper = 'start perl';
      $wrapper = 'perl';
      #$wrapper = 'cmd.exe /C';
    } else {
      # NEW 2003-06-23 - needed if used with IPC::Session (at Linux)
      #  whats about Win32?
      $wrapper = 'perl';
    }
    
  } else {
    die("No wrapper for language '$language'.");
  }
  
  return $wrapper;
}


sub run_cmd {
  my $cmd = shift;
  my $caption = shift;
  my $options = shift;
  
  #print STDOUT "run_cmd - options: ", Dumper($options), "\n";
  
  # report - header
  my $sep = "-" x 60;
  print STDOUT $sep, "\n";
  print STDOUT "  ", $cmd;
  print STDOUT " - ", $caption if $caption;
  print STDOUT "\n", $sep, "\n";
  
  # strip name of executable from full command string
  $cmd =~ m/^(.+?)\s(.*)$/;
  my $executable = $1;
  my $executable_args = $2;
  
=pod
  # for unix: check if executable is in local directory, if so - prefix with './'
  if (!RUNNING_IN_HELL()) {
    #if ($cmd !~ m/\//) {
    if (-e $executable) {
    }
  }
=cut

  # new of 2003-05-07: basedir option to be prepended to command string
  my $basedir = $options->{BASEDIR};
  my $use_path = $options->{USE_PATH};

  # for all systems: check existance of files - use basedir if given, try current directory otherwise
  if ($basedir) {
    -e "$basedir/$executable" or die("$basedir/$executable does not exist.");
    $basedir .= '/';
    $cmd = "$basedir$cmd";
  } elsif ($use_path) {
    #$basedir = "";
    $basedir = findpath($executable);
    #print "basedir: $basedir", "\n";
    my $abspath = File::Spec->catfile($basedir, $executable);
    #print STDOUT "PATH: ", $abspath, "\n";
    -e $abspath or die("$abspath does not exist.");
    $cmd = $abspath . ' ' . $executable_args;
  } else {
    -e $executable or die("$executable does not exist.");
    #$basedir = ".";
    #$basedir .= './';
    $basedir = "";
    $cmd = "$basedir$cmd";
  }

  # V1 - backticks or qq{}
  #`$cmd`;
  #qq{$cmd};
  
  # V2 - via 'system'
  #system($cmd);

  #if (not $use_path) {
    my $application = get_executable($cmd);
    $cmd = "$application$cmd" if $application;
  #}

  my @cmd = split(' ', $cmd);

  # V3 - using IPC (optional)
  if ($options->{async}) {

    #run \@cmd, \$in, \$out, \$err, timeout( 10 ) or die "cat: $?";

    print STDOUT "run_cmd[async]: Proc::Background: $cmd", "\n";
    
    # V3.1 - using IPC::Run
    #
    # tests:
    
    if (RUNNING_IN_HELL()) {
    
      #my $in; my $out; my $err;
      
      #print STDOUT "findpath: ", findpath('rap.pl'), "\n";
      
      # no success!
      #start \@cmd, timeout(0) or croak("run_cmd: IPC::Run could not start '$cmd'.");
      #
      # success on Win32, but seems broken at 'timeout' on linux:
      #run(\@cmd, timeout(3)) or croak("run_cmd: IPC::Run could not start '$cmd'.");
      #start(\@cmd, timer(2)) or croak("run_cmd: IPC::Run could not start '$cmd'.");
      #start(\@cmd, \undef) or croak("run_cmd: IPC::Run could not start '$cmd'.");
      #start \@cmd or croak("run_cmd: IPC::Run could not start '$cmd'.");
      #start(\@cmd, timeout(1)) or croak("run_cmd: IPC::Run could not start '$cmd'.");      
          
      # other tests ;)
      #$IPC::Run::Timer::timeout = 2000;
      #start $cmd or die("IPC::Run could not start '$cmd'.");
      
      #my $in; my $out; my $t;
      #my $harness = start( \@cmd, \$in, \$out, $t = timer( 5 ) ) ;
      #my $harness = start( \@cmd ) ;
      #$harness->pump_nb();
      
      #my $postfix = '2>&1 |';
      #open PIPE, "$cmd $postfix" or die("run_cmd: could not run in background via open!");
      
      my $proc1 = Proc::Background->new(@cmd);
      print "pid: ", $proc1->pid(), "\n";

      
    } else {

      #print STDOUT "run_cmd: IPC::Session: $cmd", "\n";

      # V3.2 - using IPC::Session
      #  success on Linux AND Win32 ??
      #
      # set timeout:
      #  (don't really know why we needs some secconds
      #   to wait for init of process !?!)
      #my $session_timeout = 15;
      # set session name (default: cmd as string):
      #my $session_command = $cmd;
      #my $session_shell = "/bin/sh";
      # create session (beware of using '->new' here!?):
      #my $session = new IPC::Session($session_shell, $session_timeout);
      
      # send 'cmd' to session - not required since complete command is sent via constructor above
      #$session->send($cmd);

      #my $output = $session->stdout();
      #print "WS::Admin started.\n" if $output = ' ';

      # tests
      #$session->send("echo hello");
      #chomp(my $hello = $session->stdout());      
      #print "ok 3\n" if $hello eq "hello";
      
      # optional switch case:
      #for ($session->stdout()) {
      #  /_bootDataBases/ && do { print "WS::Admin started.\n" };
      #}
      # optional get error:
      #my $err = session->stderr();
      #print "ERR: " . Dumper($err) . "\n";

      #open( *OUT, ">out.txt" ) ;
      #open( *ERR, ">err.txt" ) ;
      #run(\@cmd, \undef,  \*OUT, \*ERR  ) or croak("run_cmd: IPC::Run could not start '$cmd'.");
      #my ($out, $err);
      #my $h = start(\@cmd, \undef,  \*OUT, \*ERR  ) or croak("run_cmd: IPC::Run could not start '$cmd'.");
      #finish $h if $err =~ /error/;
      
      # get child pid 
      #my $kid;
      #do { $kid=wait(); } until $kid > 0;
      #print "Child PID: " . $kid . "n";

      #finish $h;

      
      # test using Proc::Background - success !!
      my $proc = Proc::Background->new($cmd);
      my $kid = $proc->pid();
      print STDOUT "run_cmd: Proc::Background: $cmd, child PID $kid", "\n";
      $proc->wait();
      $proc->die();

    }


  } elsif ($options->{detach}) {

    if (RUNNING_IN_HELL()) {
      print STDOUT "run_cmd[detach]: Proc::Background: $cmd", "\n";
      my $proc1 = Proc::Background->new(@cmd);
      print "pid: ", $proc1->pid(), "\n";
    } else {
      print STDOUT "run_cmd[detach]: system('$cmd' &).", "\n";
      system($cmd . ' &');    
    }

  } else {
    print STDOUT "run_cmd: system('$cmd').", "\n";
    #print $ENV{PERL5LIB}, "\n";
    system($cmd);
  }
  
  print STDOUT "run_cmd: ready.", "\n";
  
}

sub run_cmds {
  my $options = {};
  if (ref $_[$#_] eq 'HASH') {
    #print "YAI", "\n";
    $options = pop @_;
  }
  foreach (@_) {
    run_cmd($_, '', $options);
  }
}

sub get_chomped {
  my $str = shift;
  chomp($str);
  return $str;
}

sub bool2status {
  my $bool = shift;
  return ($bool ? 'ok' : 'failed');
}

# create global unique identifers using Data::UUID
# if updating this code, please also modify Tangram::Storage::make_guid
sub make_guid 
  {
    my $self = shift;

    my $guid;

    # try to use Data::UUID first ...
    eval("use Data::UUID;");
    if (!$@) {
      my $ug = Data::UUID->new();
      $guid = $ug->create_str();
      
    # ... if this fails, try to fallback to Data::UUID::PurePerl instead ...
    } else {
      eval("use Data::UUID::PurePerl;");
      if (!$@) {
        $guid = Data::UUID::PurePerl::generate_id();
      } else {
        croak "couldn't create globally unique identifier";
      }
    }
    
    return $guid;
  }

# [modified] from: http://www.mit.edu/afs/athena/contrib/watchmaker/src/pt/Configure
sub findpath {
    #local($path);
    #local($arg) = shift;
    my $arg = shift;
    my $path;
    #for my $dir (split(/:/,$ENV{'PATH'})) {
    for my $dir (File::Spec->path()) {
        #if (-x "$dir/$arg" && -f _) {
        #print STDOUT "scanning: ", "$dir/$arg", "\n";
        if (-e "$dir/$arg") {
            #$path = "$dir/$arg";
            #$path = "$dir/";
            $path = $dir;
            last;
        } 
    } 
    $path;
}

1;
__END__
1	joko	1.1	## ---------------------------------------------------------------------------
2	joko	1.18	## $Id: shortcuts.pm,v 1.17 2003/07/02 11:17:32 jonen Exp $
3	joko	1.1	## ---------------------------------------------------------------------------
4			## $Log: shortcuts.pm,v $
5	joko	1.18	## Revision 1.17 2003/07/02 11:17:32 jonen
6			## minor changes
7			##
8	jonen	1.17	## Revision 1.16 2003/06/25 22:49:56 joko
9			## RUNNING_IN_HELL mode for detach option
10			##
11	joko	1.16	## Revision 1.15 2003/06/24 20:21:12 jonen
12			## + changed linux part of run_cmd to use Proc::Background instead of IPC::...
13			##
14	jonen	1.15	## Revision 1.14 2003/06/24 20:13:18 joko
15			## + sub findpatch
16			## + now using findpatch and Proc::Background for win32/perl
17			##
18	joko	1.14	## Revision 1.13 2003/06/23 20:58:31 joko
19			## restructured, hopefully makes Linux and Windows (and *BSD) more compatible... what about IPC::Cmd???
20			##
21	joko	1.13	## Revision 1.12 2003/06/23 19:43:19 joko
22			## minor cleanup
23			## now using IPC::Session::NoShell
24			##
25	joko	1.12	## Revision 1.11 2003/06/23 17:41:50 jonen
26			## + NEW - used IPC::Session instead of IPC::Run to get better results at linux
27			##
28	jonen	1.11	## Revision 1.10 2003/06/23 15:59:16 joko
29			## major/minor fixes?
30			##
31	joko	1.10	## Revision 1.9 2003/05/13 05:36:24 joko
32			## heavy modifications to run_cmd
33			## + sub get_executable
34			## + sub get_executable_wrapper
35			##
36	joko	1.9	## Revision 1.8 2003/04/04 17:31:59 joko
37			## + sub make_guid
38			##
39	joko	1.8	## Revision 1.7 2003/03/29 07:24:10 joko
40			## enhanced 'run_cmd': now tries to execute program with appropriate application (e.g. 'cmd.exe' or 'perl')
41			##
42	joko	1.7	## Revision 1.6 2003/03/28 06:58:06 joko
43			## new: 'run_cmd' now asynchronous! (via IPC::Run...)
44			##
45	joko	1.6	## Revision 1.5 2003/02/22 17:26:13 joko
46			## + enhanced unix compatibility fix
47			##
48	joko	1.5	## Revision 1.4 2003/02/22 17:19:36 joko
49			## + unix compatibility fix
50			##
51	joko	1.4	## Revision 1.3 2003/02/14 14:17:04 joko
52			## - shortened seperator
53			##
54	joko	1.3	## Revision 1.2 2003/02/11 05:14:28 joko
55			## + refactored code from libp.pm
56			##
57	joko	1.2	## Revision 1.1 2003/02/09 04:49:45 joko
58			## + shortcuts now refactored to this file
59			##
60	joko	1.1	## ---------------------------------------------------------------------------
61
62
63			package shortcuts;
64
65			use strict;
66			use warnings;
67
68			require Exporter;
69			our @ISA = qw( Exporter );
70			our @EXPORT_OK = qw(
71			strftime
72			now today
73			run_cmd run_cmds
74			get_chomped
75	joko	1.2	bool2status
76	joko	1.8	make_guid
77	joko	1.1	);
78
79
80			use Data::Dumper;
81	joko	1.6	use POSIX qw( strftime );
82			#use IPC::Run qw( run timeout );
83	joko	1.14	use IPC::Run qw( start pump finish timeout run timer ) ;
84	joko	1.8	use Carp;
85
86	joko	1.13	# NEW - 2003-06-23 for Linux (what about *BSD?)
87	joko	1.18	#use IPC::Session;
88	joko	1.8
89	joko	1.14	use File::Spec;
90			use Proc::Background;
91
92	joko	1.1
93			# $now_string = strftime "%a %b %e %H:%M:%S %Y", localtime;
94			# see "perldoc -f localtime"
95			sub now {
96			my $options = shift;
97			my $pattern = "%Y-%m-%d %H:%M:%S";
98			$pattern = "%Y-%m-%d_%H-%M-%S" if $options->{fs};
99			my $result = strftime($pattern, localtime);
100			return $result;
101			}
102
103			sub today {
104			return strftime("%Y-%m-%d", localtime);
105			}
106
107	joko	1.12	sub RUNNING_IN_HELL () { $^O eq 'MSWin32' }
108
109
110	joko	1.9	sub get_executable {
111			my $cmd = shift;
112			# FIXME: detect type of program and run with proper application/interpreter
113			# using IPC::Run we have to dispatch this on our own! no os-interaction or interpolation here!?
114			# => better use absolute path-names only?!
115			my $application = '';
116			if ($cmd =~ m/\w+\.pl\s./) {
117	joko	1.13	$application = get_interpreter_wrapper($cmd, 'perl');
118			#$cmd = "$application $cmd" if $application;
119			$application .= ' ';
120
121	joko	1.10	} else {
122			$application = './';
123	joko	1.9	}
124			return $application;
125			}
126
127	joko	1.13	sub get_interpreter_wrapper {
128	joko	1.9	my $cmd = shift;
129	joko	1.13	my $language = shift;
130			$language \|\|= '';
131
132			my $wrapper = '';
133
134			if ($language eq 'perl') {
135
136			if (RUNNING_IN_HELL()) {
137			# Required to adapt to IPC::Run on win32.
138	joko	1.14	#$wrapper = 'cmd.exe /C perl';
139			#$wrapper = 'start perl';
140			$wrapper = 'perl';
141			#$wrapper = 'cmd.exe /C';
142	joko	1.13	} else {
143			# NEW 2003-06-23 - needed if used with IPC::Session (at Linux)
144			# whats about Win32?
145			$wrapper = 'perl';
146			}
147
148			} else {
149			die("No wrapper for language '$language'.");
150			}
151
152			return $wrapper;
153	joko	1.9	}
154
155
156	joko	1.1	sub run_cmd {
157			my $cmd = shift;
158			my $caption = shift;
159	joko	1.6	my $options = shift;
160
161	joko	1.14	#print STDOUT "run_cmd - options: ", Dumper($options), "\n";
162	joko	1.9
163	joko	1.6	# report - header
164	joko	1.3	my $sep = "-" x 60;
165	joko	1.14	print STDOUT $sep, "\n";
166			print STDOUT " ", $cmd;
167			print STDOUT " - ", $caption if $caption;
168			print STDOUT "\n", $sep, "\n";
169	joko	1.4
170	joko	1.5	# strip name of executable from full command string
171	joko	1.14	$cmd =~ m/^(.+?)\s(.*)$/;
172	joko	1.5	my $executable = $1;
173	joko	1.14	my $executable_args = $2;
174	joko	1.5
175	joko	1.9	=pod
176	joko	1.5	# for unix: check if executable is in local directory, if so - prefix with './'
177	joko	1.4	if (!RUNNING_IN_HELL()) {
178	joko	1.5	#if ($cmd !~ m/\//) {
179			if (-e $executable) {
180	joko	1.4	}
181			}
182	joko	1.9	=cut
183
184			# new of 2003-05-07: basedir option to be prepended to command string
185			my $basedir = $options->{BASEDIR};
186			my $use_path = $options->{USE_PATH};
187
188			# for all systems: check existance of files - use basedir if given, try current directory otherwise
189			if ($basedir) {
190			-e "$basedir/$executable" or die("$basedir/$executable does not exist.");
191			$basedir .= '/';
192	joko	1.14	$cmd = "$basedir$cmd";
193	joko	1.9	} elsif ($use_path) {
194	joko	1.14	#$basedir = "";
195			$basedir = findpath($executable);
196			#print "basedir: $basedir", "\n";
197			my $abspath = File::Spec->catfile($basedir, $executable);
198			#print STDOUT "PATH: ", $abspath, "\n";
199			-e $abspath or die("$abspath does not exist.");
200			$cmd = $abspath . ' ' . $executable_args;
201	joko	1.9	} else {
202			-e $executable or die("$executable does not exist.");
203			#$basedir = ".";
204	joko	1.10	#$basedir .= './';
205	joko	1.12	$basedir = "";
206	joko	1.14	$cmd = "$basedir$cmd";
207	joko	1.9	}
208
209	joko	1.6	# V1 - backticks or qq{}
210	joko	1.1	#`$cmd`;
211	joko	1.6	#qq{$cmd};
212
213			# V2 - via 'system'
214			#system($cmd);
215
216	joko	1.14	#if (not $use_path) {
217	joko	1.10	my $application = get_executable($cmd);
218			$cmd = "$application$cmd" if $application;
219	joko	1.14	#}
220	joko	1.10
221	joko	1.16	my @cmd = split(' ', $cmd);
222
223	jonen	1.11	# V3 - using IPC (optional)
224	joko	1.6	if ($options->{async}) {
225	jonen	1.11
226	joko	1.6	#run \@cmd, \$in, \$out, \$err, timeout( 10 ) or die "cat: $?";
227	joko	1.16
228			print STDOUT "run_cmd[async]: Proc::Background: $cmd", "\n";
229	joko	1.6
230	jonen	1.11	# V3.1 - using IPC::Run
231			#
232			# tests:
233	joko	1.13
234			if (RUNNING_IN_HELL()) {
235
236			#my $in; my $out; my $err;
237	joko	1.14
238			#print STDOUT "findpath: ", findpath('rap.pl'), "\n";
239	joko	1.13
240			# no success!
241			#start \@cmd, timeout(0) or croak("run_cmd: IPC::Run could not start '$cmd'.");
242			#
243			# success on Win32, but seems broken at 'timeout' on linux:
244	joko	1.14	#run(\@cmd, timeout(3)) or croak("run_cmd: IPC::Run could not start '$cmd'.");
245			#start(\@cmd, timer(2)) or croak("run_cmd: IPC::Run could not start '$cmd'.");
246			#start(\@cmd, \undef) or croak("run_cmd: IPC::Run could not start '$cmd'.");
247			#start \@cmd or croak("run_cmd: IPC::Run could not start '$cmd'.");
248			#start(\@cmd, timeout(1)) or croak("run_cmd: IPC::Run could not start '$cmd'.");
249	joko	1.13
250			# other tests ;)
251			#$IPC::Run::Timer::timeout = 2000;
252			#start $cmd or die("IPC::Run could not start '$cmd'.");
253
254	joko	1.14	#my $in; my $out; my $t;
255			#my $harness = start( \@cmd, \$in, \$out, $t = timer( 5 ) ) ;
256			#my $harness = start( \@cmd ) ;
257			#$harness->pump_nb();
258
259			#my $postfix = '2>&1 \|';
260			#open PIPE, "$cmd $postfix" or die("run_cmd: could not run in background via open!");
261
262			my $proc1 = Proc::Background->new(@cmd);
263			print "pid: ", $proc1->pid(), "\n";
264
265
266	joko	1.13	} else {
267
268	jonen	1.15	#print STDOUT "run_cmd: IPC::Session: $cmd", "\n";
269	joko	1.13
270			# V3.2 - using IPC::Session
271			# success on Linux AND Win32 ??
272			#
273			# set timeout:
274	jonen	1.15	# (don't really know why we needs some secconds
275	joko	1.13	# to wait for init of process !?!)
276	jonen	1.15	#my $session_timeout = 15;
277	joko	1.13	# set session name (default: cmd as string):
278	jonen	1.15	#my $session_command = $cmd;
279			#my $session_shell = "/bin/sh";
280			# create session (beware of using '->new' here!?):
281			#my $session = new IPC::Session($session_shell, $session_timeout);
282	joko	1.13
283			# send 'cmd' to session - not required since complete command is sent via constructor above
284	jonen	1.15	#$session->send($cmd);
285
286			#my $output = $session->stdout();
287			#print "WS::Admin started.\n" if $output = ' ';
288
289			# tests
290			#$session->send("echo hello");
291			#chomp(my $hello = $session->stdout());
292			#print "ok 3\n" if $hello eq "hello";
293	joko	1.13
294			# optional switch case:
295			#for ($session->stdout()) {
296	jonen	1.15	# /_bootDataBases/ && do { print "WS::Admin started.\n" };
297	joko	1.13	#}
298			# optional get error:
299			#my $err = session->stderr();
300	jonen	1.15	#print "ERR: " . Dumper($err) . "\n";
301
302			#open( *OUT, ">out.txt" ) ;
303			#open( *ERR, ">err.txt" ) ;
304			#run(\@cmd, \undef, \OUT, \ERR ) or croak("run_cmd: IPC::Run could not start '$cmd'.");
305			#my ($out, $err);
306			#my $h = start(\@cmd, \undef, \OUT, \ERR ) or croak("run_cmd: IPC::Run could not start '$cmd'.");
307			#finish $h if $err =~ /error/;
308
309			# get child pid
310			#my $kid;
311			#do { $kid=wait(); } until $kid > 0;
312			#print "Child PID: " . $kid . "n";
313
314			#finish $h;
315
316
317			# test using Proc::Background - success !!
318			my $proc = Proc::Background->new($cmd);
319			my $kid = $proc->pid();
320			print STDOUT "run_cmd: Proc::Background: $cmd, child PID $kid", "\n";
321			$proc->wait();
322			$proc->die();
323
324	joko	1.13	}
325	jonen	1.15
326
327			} elsif ($options->{detach}) {
328	joko	1.16
329			if (RUNNING_IN_HELL()) {
330			print STDOUT "run_cmd[detach]: Proc::Background: $cmd", "\n";
331			my $proc1 = Proc::Background->new(@cmd);
332			print "pid: ", $proc1->pid(), "\n";
333			} else {
334	jonen	1.17	print STDOUT "run_cmd[detach]: system('$cmd' &).", "\n";
335	joko	1.16	system($cmd . ' &');
336			}
337	jonen	1.15
338	joko	1.6	} else {
339	joko	1.14	print STDOUT "run_cmd: system('$cmd').", "\n";
340	joko	1.18	#print $ENV{PERL5LIB}, "\n";
341	joko	1.6	system($cmd);
342			}
343
344	joko	1.14	print STDOUT "run_cmd: ready.", "\n";
345	joko	1.6
346	joko	1.1	}
347
348			sub run_cmds {
349	joko	1.9	my $options = {};
350			if (ref $_[$#_] eq 'HASH') {
351			#print "YAI", "\n";
352			$options = pop @_;
353			}
354	joko	1.1	foreach (@_) {
355	joko	1.9	run_cmd($_, '', $options);
356	joko	1.1	}
357			}
358
359			sub get_chomped {
360			my $str = shift;
361			chomp($str);
362			return $str;
363	joko	1.2	}
364
365			sub bool2status {
366			my $bool = shift;
367			return ($bool ? 'ok' : 'failed');
368	joko	1.1	}
369	joko	1.4
370	joko	1.8	# create global unique identifers using Data::UUID
371			# if updating this code, please also modify Tangram::Storage::make_guid
372			sub make_guid
373			{
374			my $self = shift;
375
376			my $guid;
377
378			# try to use Data::UUID first ...
379			eval("use Data::UUID;");
380			if (!$@) {
381			my $ug = Data::UUID->new();
382			$guid = $ug->create_str();
383
384			# ... if this fails, try to fallback to Data::UUID::PurePerl instead ...
385			} else {
386			eval("use Data::UUID::PurePerl;");
387			if (!$@) {
388			$guid = Data::UUID::PurePerl::generate_id();
389			} else {
390			croak "couldn't create globally unique identifier";
391			}
392			}
393
394			return $guid;
395			}
396	joko	1.14
397			# [modified] from: http://www.mit.edu/afs/athena/contrib/watchmaker/src/pt/Configure
398			sub findpath {
399			#local($path);
400			#local($arg) = shift;
401			my $arg = shift;
402			my $path;
403			#for my $dir (split(/:/,$ENV{'PATH'})) {
404			for my $dir (File::Spec->path()) {
405			#if (-x "$dir/$arg" && -f _) {
406			#print STDOUT "scanning: ", "$dir/$arg", "\n";
407			if (-e "$dir/$arg") {
408			#$path = "$dir/$arg";
409			#$path = "$dir/";
410			$path = $dir;
411			last;
412			}
413			}
414			$path;
415			}
416	jonen	1.11
417	joko	1.1	1;
418	joko	1.12	__END__
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