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Comparing projects/cms/source/host/ihost-perl/ihost.pl (file contents):
Revision 1.39 by tdb, Mon Nov 19 17:43:00 2001 UTC vs.
Revision 1.50 by tdb, Tue May 21 16:47:11 2002 UTC

# Line 1 | Line 1
1   #!/usr/bin/perl -w
2  
3 + #
4 + # i-scream central monitoring system
5 + # http://www.i-scream.org.uk
6 + # Copyright (C) 2000-2002 i-scream
7 + #
8 + # This program is free software; you can redistribute it and/or
9 + # modify it under the terms of the GNU General Public License
10 + # as published by the Free Software Foundation; either version 2
11 + # of the License, or (at your option) any later version.
12 + #
13 + # This program is distributed in the hope that it will be useful,
14 + # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 + # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 + # GNU General Public License for more details.
17 + #
18 + # You should have received a copy of the GNU General Public License
19 + # along with this program; if not, write to the Free Software
20 + # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
21 + #
22 +
23   # -----------------------------------------------------------
24   # Perl i-scream Host.
25   # http://www.i-scream.org.uk
# Line 33 | Line 53 | use vars qw (
53               $fqdn
54               $pidfile
55               $retry_wait
56 +             $ostype
57 +             $key
58               @data
59              );
60  
# Line 46 | Line 68 | $filter_manager_port = $ARGV[1];
68   $seq_no = 1;
69   $retry_wait = 60;
70  
71 + # work out our platform, if we can.
72 + $ostype = `uname -s`;
73 + chomp $ostype;
74 + $ostype = "unknown" if not defined $ostype;
75 +
76   # write our PID to a file
77 < $pidfile = "/var/tmp/ihost.pid";
77 > # use home dir by default
78 > #$pidfile = $ENV{"HOME"};
79 > # or drop it in /var/tmp if we can't find HOME
80 > $pidfile = "/var/tmp" if not defined $pidfile;
81 > $pidfile .= "/.ihost.pid";
82   &write_pid();
83  
84   &tcp_configure();
85 + &send_tcp_heartbeat();
86   &send_udp_packet();
87  
88   $last_udp_time = time;
# Line 130 | Line 162 | sub tcp_configure() {
162      
163          print $sock "LASTMODIFIED\n";
164          $response = <$sock>;
165 <        if (!$response) {
166 <            print "The i-scream server did not return anything for the LASTMODIFIED command.\n";
165 >        if (!$response || $response eq "ERROR\n") {
166 >            print "The i-scream server did not provide the LASTMODIFIED value.\n";
167              close($sock);
168              wait_then_retry();
169              next;
170          }
171 <        chop $response;
171 >        chomp $response;
172          $last_modified = $response;
173      
174          print "Config last modified: ". (scalar localtime $last_modified/1000) . "\n";
175  
176          print $sock "FILELIST\n";
177          $response = <$sock>;
178 <        if (!$response) {
178 >        if (!$response || $response eq "ERROR\n") {
179              print "The i-scream server did not provide a configuration file list.\n";
180              close($sock);
181              wait_then_retry();
182              next;
183          }
184 <        chop $response;
184 >        chomp $response;
185          $file_list = $response;
186  
187          print "File list obtained: $file_list\n";
188  
189          print $sock "FQDN\n";
190          $response = <$sock>;
191 <        if (!$response) {
191 >        if (!$response || $response eq "ERROR\n") {
192              print "The i-scream server did not tell us our FQDN.\n";
193              close($sock);
194              wait_then_retry();
195              next;
196          }
197 <        chop $response;
197 >        chomp $response;
198          $fqdn = $response;
199  
200          print "FQDN returned: $fqdn\n";
201  
202          print $sock "UDPUpdateTime\n";
203          $response = <$sock>;
204 <        if (!$response) {
204 >        if (!$response || $response eq "ERROR\n") {
205              print "The i-scream server did not give us a UDPUpdateTime.\n";
206              close($sock);
207              wait_then_retry();
208              next;
209          }
210 <        chop $response;
210 >        chomp $response;
211          $udp_update_time = $response;
212  
213          print $sock "TCPUpdateTime\n";
214          $response = <$sock>;
215 <        if (!$response) {
215 >        if (!$response || $response eq "ERROR\n") {
216              print "The i-scream server did not give us a TCPUpdateTime.\n";
217              close($sock);
218              wait_then_retry();
219              next;
220          }
221 <        chop $response;
221 >        chomp $response;
222          $tcp_update_time = $response;
223      
224          print "UDP packet period: $udp_update_time seconds.\nTCP heartbeat period: $tcp_update_time seconds.\n";
# Line 210 | Line 242 | sub tcp_configure() {
242              wait_then_retry();
243              next;
244          }
245 <        chop $response;
214 <        $response =~ /^(.*);(.*);(.*)/;
245 >        chomp $response;
246          if ($response eq "ERROR") {
247              print "There are no active configured filters for your host.\n";
248              close($sock);
249              wait_then_retry();
250              next;
251          }
252 +        $response =~ /^(.*);(.*);(.*)/;
253          ($filter_addr, $udp_port, $tcp_port) = ($1, $2, $3);
254          unless (defined($filter_addr) && defined($udp_port) && defined($tcp_port)) {
255              print "Failed: Filter address response from server did not make sense: $response\n";
# Line 262 | Line 294 | sub send_udp_packet() {
294      opendir PLUGINS, $plugins_dir;
295      my(@plugins) = readdir PLUGINS;
296      foreach my $plugin (@plugins) {
297 <        push @data, `$plugins_dir/$plugin` if -x "$plugins_dir/$plugin" && -f "$plugins_dir/$plugin";
297 >        push @data, `$plugins_dir/$plugin $ostype` if -x "$plugins_dir/$plugin" && -f "$plugins_dir/$plugin";
298      }
299      
300      # get some extra data
# Line 271 | Line 303 | sub send_udp_packet() {
303      $ip = inet_ntoa(scalar(gethostbyname(hostname())) || 'localhost') or $ip = 'localhost';
304      
305      # add some extra data to the array
306 <    push(@data, "packet.attributes.seq_no=$seq_no");
307 <    push(@data, "packet.attributes.machine_name=$fqdn");
308 <    push(@data, "packet.attributes.date=$date");
309 <    push(@data, "packet.attributes.type=data");
310 <    push(@data, "packet.attributes.ip=$ip");
306 >    push(@data, "packet.attributes.seq_no $seq_no");
307 >    push(@data, "packet.attributes.machine_name $fqdn");
308 >    push(@data, "packet.attributes.date $date");
309 >    push(@data, "packet.attributes.type data");
310 >    push(@data, "packet.attributes.ip $ip");
311 >    push(@data, "packet.attributes.key $key");
312      
313      # sort the data
314 <    @data = sort(@data);
315 <    
314 >    @data = sort(grep(!/^$/, grep(/^packet\./, @data)));
315 >
316      # turn the array into some nice XML
317      my($xml) = &make_xml("", "");
318 <    
318 >
319      my($sock) = new IO::Socket::INET (
320                                        PeerPort => $udp_port,
321                                        PeerAddr => $filter_addr,
# Line 364 | Line 397 | sub send_tcp_heartbeat() {
397          return;
398      }
399      
400 +    print $sock "KEY\n";
401 +    $key = <$sock>;
402 +    
403      print $sock "ENDHEARTBEAT\n";
404      $response = <$sock>;
405      if (!$response eq "OK\n") {
# Line 402 | Line 438 | sub write_pid() {
438   sub make_xml() {
439      my($curlevel, $curline) = @_;
440      my($xmltemp) = ""; my($curtag) = ""; my($attributes) = "";
441 <    while(true) {
442 <        $curline = shift(@data) if $curline eq ""; chomp $curline;
441 >    while(1) {
442 >        $curline = shift(@data) if $curline eq "";
443 >        return $xmltemp if not defined $curline;
444 >        chomp $curline;
445 >        # dealing with nest (or attributes)
446          if($curline =~ /^$curlevel([^\.\s]+\.)/) {
447              $curtag=$1;
448 +            if($curline =~ /^$curlevel$curtag([^\.\s]+)\s+(.*)$/) {
449 +                $xmltemp .= &make_xml("$curlevel$curtag", $curline);
450 +            }
451 +            elsif($curline =~ /^$curlevel$curtag(attributes)\.([^\.\s]+)\s+(.*)$/) {
452 +                $attributes .= " $2=\"$3\"";
453 +            }
454 +            else {
455 +                $xmltemp .= &make_xml("$curlevel$curtag", $curline);
456 +            }
457 +            my($nextline) = $data[0]; chomp $nextline if defined $nextline;
458 +            $curtag =~ s/(.*)\./$1/;
459 +            if((defined $nextline) && ($nextline =~ /^$curlevel$curtag\./)) {
460 +                $curline = "";
461 +            }
462 +            else {
463 +                $xmltemp = "<$curtag$attributes>$xmltemp</$curtag>" unless $curtag eq "";
464 +                return $xmltemp;
465 +            }
466          }
467 <        if($curline =~ /^$curlevel$curtag([^\.\s]+)\s+(.*)$/) {
468 <            $xmltemp .= "<$1$attributes>$2</$1>";
467 >        # dealing with value
468 >        elsif($curline =~ /^$curlevel([^\.\s]+)\s+(.*)$/) {
469 >            $curtag=$1;
470 >            $xmltemp=$2;          
471 >            my($nextline) = $data[0]; chomp $nextline if defined $nextline;
472 >            if(defined $nextline && ($nextline =~ /^$curlevel$curtag\./ || $nextline =~ /^$curlevel$curtag\s+/)) {
473 >                $curline = "";
474 >            }
475 >            else {
476 >                $xmltemp = "<$curtag$attributes>$xmltemp</$curtag>" unless $curtag eq "";
477 >                return $xmltemp;
478 >            }
479          }
480 <        elsif($curline =~ /^$curlevel$curtag(attributes)\.([^\.=]+)=(.*)$/) {
481 <            $attributes .= " $2=\"$3\"";
482 <        }
483 <        else {
484 <            $xmltemp .= &make_xml("$curlevel$curtag", $curline);
485 <        }
486 <        my($nextline) = $data[0]; chomp $nextline if defined $nextline;
487 <        $curtag =~ s/(.*)\./$1/;                
488 <        if(defined $nextline && $nextline =~ /^$curlevel$curtag\./) {
489 <            $curline = "";
423 <        }
424 <        else {
425 <            $xmltemp = "<$curtag$attributes>$xmltemp</$curtag>" unless $curtag eq "";
426 <            return $xmltemp;
427 <        }
480 >        # dealing with a null value
481 >        elsif($curline =~ /^$curlevel([^\.\s]+)$/) {
482 >            # simply adding a space makes the above elsif deal with it :)
483 >            # just level with an empty tag in the XML
484 >            $curline .= " ";
485 >        }
486 >        # failing all that, skip the line
487 >        else {
488 >            $curline = "";
489 >        }
490      }
491   }

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