1 package ServerPackages;
3 use Exporter;
4 @ISA = ("Exporter");
6 # Each module has to have a function 'process_incoming_msg'. This function works as a interface to gosa-sd and receives the msg hash from gosa-sd. 'process_incoming_function checks, wether it has a function to process the incoming msg and forward the msg to it.
8 use strict;
9 use warnings;
10 use GOSA::GosaSupportDaemon;
11 use Data::Dumper;
13 my $event_dir = "/usr/lib/gosa-si/server/ServerPackages";
14 use lib "/usr/lib/gosa-si/server/ServerPackages";
16 BEGIN{}
17 END {}
20 ### START #####################################################################
22 # import local events
23 my ($error, $result, $event_hash) = &import_events($event_dir);
24 if ($error == 0) {
25 foreach my $log_line (@$result) {
26 &main::daemon_log("0 DEBUG: ServerPackages - $log_line", 7);
27 }
28 } else {
29 foreach my $log_line (@$result) {
30 &main::daemon_log("0 ERROR: ServerPackages - $log_line", 1);
31 }
32 }
34 ### FUNCTIONS #####################################################################
36 sub get_module_info {
37 my @info = ($main::server_address,
38 $main::foreign_server_key,
39 );
40 return \@info;
41 }
43 sub process_incoming_msg {
44 my ($msg, $msg_hash, $session_id) = @_ ;
45 my $header = @{$msg_hash->{header}}[0];
46 my $source = @{$msg_hash->{source}}[0];
47 my $target = @{$msg_hash->{target}}[0];
48 my $sql_events;
50 my @msg_l;
51 my @out_msg_l = ( 'nohandler' );
54 # if message is being forwarded from another server, strip of header prefixes
55 $header =~ s/^gosa_|^job_//;
56 $msg =~ s/<header>gosa_(\w+)<\/header>|<header>job_(\w+)<\/header>/<header>$1<\/header>/;
59 &main::daemon_log("$session_id DEBUG: ServerPackages: msg to process '$header'", 7);
60 if( exists $event_hash->{$header} ) {
61 # a event exists with the header as name
62 &main::daemon_log("$session_id INFO: found event '$header' at event-module '".$event_hash->{$header}."'", 5);
63 no strict 'refs';
64 @out_msg_l = &{$event_hash->{$header}."::$header"}($msg, $msg_hash, $session_id);
66 } else {
67 $sql_events = "SELECT * FROM $main::known_clients_tn WHERE ( (macaddress LIKE '$target') OR (hostname='$target') )";
68 my $res = $main::known_clients_db->select_dbentry( $sql_events );
69 my $l = keys(%$res);
72 # TODO
73 # $l == 1, knownclienterror wird eigentlich nicht gebraucht. hier soll nohandler anspringen
74 # set error if no or more than 1 hits are found for sql query
75 if ( $l != 1) {
76 @out_msg_l = ('knownclienterror');
78 # found exact 1 hit in db
79 } else {
80 my $client_events = $res->{'1'}->{'events'};
82 # client is registered for this event, deliver this message to client
83 if ($client_events =~ /,$header,/) {
84 $msg =~ s/<header>gosa_/<header>/;
85 @out_msg_l = ( $msg );
87 # client is not registered for this event, set error
88 } else {
89 @out_msg_l = ('noeventerror');
90 }
91 }
92 }
94 # if delivery not possible raise error and return
95 if (not defined $out_msg_l[0]) {
96 @out_msg_l = ();
97 } elsif ($out_msg_l[0] eq 'nohandler') {
98 &main::daemon_log("$session_id ERROR: ServerPackages: no event handler defined for '$header'", 1);
99 @out_msg_l = ();
100 } elsif ($out_msg_l[0] eq 'knownclienterror') {
101 &main::daemon_log("$session_id ERROR: no or more than 1 hits are found at known_clients_db with sql query: '$sql_events'", 1);
102 &main::daemon_log("$session_id WARNING: processing is aborted and message will not be forwarded", 3);
103 @out_msg_l = ();
104 } elsif ($out_msg_l[0] eq 'noeventerror') {
105 &main::daemon_log("$session_id WARNING: client '$target' is not registered for event '$header', processing is aborted", 3);
106 @out_msg_l = ();
107 }
109 return \@out_msg_l;
110 }
112 1;