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index 2e838333f0edb6cae2ea347605b2ec6eeb88ded4..8eba13d478cf28edeaadfc914db033ef716cfda2 100644 (file)
use warnings;
use DBI;
use Data::Dumper;
+use GOSA::GosaSupportDaemon;
use threads;
use Time::HiRes qw(usleep);
+
my $col_names = {};
sub new {
my $class = shift;
my $db_name = shift;
- my $lock='/tmp/gosa_si_lock';
- my $_lock = $db_name;
- $_lock =~ tr/\//_/;
- $lock.=$_lock;
+ my $lock = $db_name.".lock";
+ # delete existing lock - instance should be running only once
+ if(stat($lock)) {
+ unlink($lock);
+ }
my $self = {dbh=>undef,db_name=>undef,db_lock=>undef,db_lock_handle=>undef};
my $dbh = DBI->connect("dbi:SQLite:dbname=$db_name");
$self->{dbh} = $dbh;
my $lock = $self->{db_lock};
my $result=(-f $lock);
if($result) {
- #print STDERR "(".((defined $funcname)?$funcname:"").") Lock (PID ".$$.") $lock gefunden\n";
+ #&main::daemon_log("(".((defined $funcname)?$funcname:"").") Lock (PID ".$$.") $lock found", 8);
usleep 100;
}
return $result;
sub create_lock : locked {
my $self=shift;
my $funcname=shift;
- #print STDERR "(".((defined $funcname)?$funcname:"").") Erzeuge Lock (PID ".$$.") ".($self->{db_lock})."\n";
+ #&main::daemon_log("(".((defined $funcname)?$funcname:"").") Creating Lock (PID ".$$.") ".($self->{db_lock}),8);
my $lock = $self->{db_lock};
while( -f $lock ) {
- #print STDERR "(".((defined $funcname)?$funcname:"").") Lock (PID ".$$.") $lock gefunden\n";
- sleep 1;
+ #&main::daemon_log("(".((defined $funcname)?$funcname:"").") Lock (PID ".$$.") $lock found",8);
+ usleep 100;
}
open($self->{db_lock_handle},'>',$self->{db_lock});
sub remove_lock : locked {
my $self=shift;
my $funcname=shift;
- #print STDERR "(".((defined $funcname)?$funcname:"").") Entferne Lock (PID ".$$.") ".$self->{db_lock}."\n";
+ #&main::daemon_log("(".((defined $funcname)?$funcname:"").") Removing Lock (PID ".$$.") ".$self->{db_lock}, 8);
close($self->{db_lock_handle});
unlink($self->{db_lock});
}
+
sub create_table {
my $self = shift;
my $table_name = shift;
my $col_names_ref = shift;
+ my @col_names;
+ foreach my $col_name (@$col_names_ref) {
+ my @t = split(" ", $col_name);
+ $col_name = $t[0];
+ push(@col_names, $col_name);
+ }
+
$col_names->{ $table_name } = $col_names_ref;
- my $col_names_string = join(', ', @{$col_names_ref});
- my $sql_statement = "CREATE TABLE IF NOT EXISTS $table_name ( $col_names_string )";
+ my $col_names_string = join("', '", @col_names);
+ my $sql_statement = "CREATE TABLE IF NOT EXISTS $table_name ( '$col_names_string' )";
&create_lock($self,'create_table');
$self->{dbh}->do($sql_statement);
&remove_lock($self,'create_table');
return 0;
}
-
sub add_dbentry {
# specify primary key in table
if (not exists $arg->{primkey}) {
- return 2;
+ return (2, "a hash key 'primkey' with at least an empty list as value is necessary for add_dbentry");
}
- my $primkey = $arg->{primkey};
-
- # if primkey is id, fetch max id from table and give new job id= max(id)+1
- if ($primkey eq 'id') {
- my $id;
- my $sql_statement = "SELECT MAX(CAST(id AS INTEGER)) FROM $table";
- &create_lock($self,'add_dbentry');
- my $max_id = @{ @{ $self->{dbh}->selectall_arrayref($sql_statement) }[0] }[0];
- &remove_lock($self,'add_dbentry');
- if( defined $max_id) {
- $id = $max_id + 1;
- } else {
- $id = 1;
+ my $primkeys = $arg->{'primkey'};
+ my $prim_statement="";
+ if( 0 != @$primkeys ) {
+ my @prim_list;
+ foreach my $primkey (@$primkeys) {
+ if($primkey eq 'id') {
+ # if primkey is id, fetch max id from table and give new job id= max(id)+1
+ my $sql_statement = "SELECT MAX(CAST(id AS INTEGER)) FROM $table";
+ &create_lock($self,'add_dbentry');
+ my $max_id = @{ @{ $self->{dbh}->selectall_arrayref($sql_statement) }[0] }[0];
+ &remove_lock($self,'add_dbentry');
+ my $id;
+ if( defined $max_id) {
+ $id = $max_id + 1;
+ } else {
+ $id = 1;
+ }
+ $arg->{id} = $id;
+ }
+ if( not exists $arg->{$primkey} ) {
+ return (3, "primkey '$primkey' has no value for add_dbentry");
+ }
+ push(@prim_list, "$primkey='".$arg->{$primkey}."'");
}
- $arg->{id} = $id;
+ $prim_statement = "WHERE ".join(" AND ", @prim_list);
}
-
- # check wether value to primary key is specified
- if ( not exists $arg->{ $primkey } ) {
- return 3;
- }
-
+
# if timestamp is not provided, add timestamp
if( not exists $arg->{timestamp} ) {
$arg->{timestamp} = &get_time;
}
# check wether primkey is unique in table, otherwise return errorflag
- my $sql_statement = "SELECT * FROM $table WHERE $primkey='$arg->{$primkey}'";
+ my $sql_statement = "SELECT * FROM $table $prim_statement";
&create_lock($self,'add_dbentry');
my $res = @{ $self->{dbh}->selectall_arrayref($sql_statement) };
&remove_lock($self,'add_dbentry');
+
if ($res == 0) {
+ # primekey is unique
+
# fetch column names of table
- my $col_names = &get_table_columns("",$table);
+ my $col_names = &get_table_columns($self, $table);
# assign values to column name variables
- my @add_list;
+ my @col_list;
+ my @val_list;
foreach my $col_name (@{$col_names}) {
- # use function parameter for column values
+ # use function parameter for column values
if (exists $arg->{$col_name}) {
- push(@add_list, $arg->{$col_name});
+ push(@col_list, $col_name);
+ push(@val_list, $arg->{$col_name});
}
}
- my $sql_statement = "INSERT INTO $table VALUES ('".join("', '", @add_list)."')";
- print STDERR $sql_statement;
+ my $sql_statement = "INSERT INTO $table (".join(", ", @col_list).") VALUES ('".join("', '", @val_list)."')";
&create_lock($self,'add_dbentry');
my $db_res = $self->{dbh}->do($sql_statement);
&remove_lock($self,'add_dbentry');
if( $db_res != 1 ) {
- return 4;
- } else {
- return 0;
- }
+ return (4, $sql_statement);
+ }
} else {
- my $update_hash = { table=>$table };
- $update_hash->{where} = [ { $primkey=>[ $arg->{$primkey} ] } ];
- $update_hash->{update} = [ {} ];
+ # entry already exists, so update it
+ my @update_l;
while( my ($pram, $val) = each %{$arg} ) {
if( $pram eq 'table' ) { next; }
if( $pram eq 'primkey' ) { next; }
- $update_hash->{update}[0]->{$pram} = [$val];
- }
- my $db_res = &update_dbentry( $self, $update_hash );
- if( $db_res != 1 ) {
- return 5;
- } else {
- return 0;
+ push(@update_l, "$pram='$val'");
}
+ my $update_str= join(", ", @update_l);
+ $update_str= " SET $update_str";
+
+ my $sql_statement= "UPDATE $table $update_str $prim_statement";
+ my $db_res = &update_dbentry($self, $sql_statement );
}
+
+ return 0;
}
sub update_dbentry {
&create_lock($self,'get_table_columns');
my @res = @{$self->{dbh}->selectall_arrayref("pragma table_info('$table')")};
&remove_lock($self,'get_table_columns');
+
foreach my $column (@res) {
push(@column_names, @$column[1]);
}
my $db_answer= &exec_statement($self, $sql);
# fetch column list of db and create a hash with column_name->column_value of the select query
- $sql =~ /FROM ([\S]*?) /g;
+ $sql =~ /FROM ([\S]*?)( |$)/g;
my $table = $1;
my $column_list = &get_table_columns($self, $table);
my $list_len = @{ $column_list } ;
sub show_table {
my $self = shift;
my $table_name = shift;
- &create_lock($self,'show_table');
- my @res = @{$self->{dbh}->selectall_arrayref( "SELECT * FROM $table_name")};
- &remove_lock($self,'show_table');
+
+ my $sql_statement= "SELECT * FROM $table_name ORDER BY timestamp";
+ my $res= &exec_statement($self, $sql_statement);
+
my @answer;
- foreach my $hit (@res) {
+ foreach my $hit (@{$res}) {
push(@answer, "hit: ".join(', ', @{$hit}));
}
return join("\n", @answer);
}
-sub get_time {
- my ($seconds, $minutes, $hours, $monthday, $month,
- $year, $weekday, $yearday, $sommertime) = localtime(time);
- $hours = $hours < 10 ? $hours = "0".$hours : $hours;
- $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
- $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
- $month+=1;
- $month = $month < 10 ? $month = "0".$month : $month;
- $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
- $year+=1900;
- return "$year$month$monthday$hours$minutes$seconds";
+sub exec_statementlist {
+ my $self = shift;
+ my $sql_list = shift;
+ my @db_answer;
+
+ &create_lock($self,'exec_statement');
+ foreach my $sql (@$sql_list) {
+ @db_answer = @{$self->{dbh}->selectall_arrayref($sql)};
+ }
+ &remove_lock($self, 'exec_statement');
+
+ return \@db_answer;
}
+sub count_dbentries {
+ my ($self, $table)= @_;
+ my $error= 0;
+ my $answer= -1;
+
+ my $sql_statement= "SELECT * FROM $table";
+ my $db_answer= &select_dbentry($self, $sql_statement);
+
+ my $count = keys(%{$db_answer});
+ return $count;
+}
+
+
+
+sub move_table {
+ my ($self, $from, $to) = @_;
+
+ my $sql_statement_drop = "DROP TABLE IF EXISTS $to";
+ my $sql_statement_alter = "ALTER TABLE $from RENAME TO $to";
+ &create_lock($self,'move_table');
+ my $db_res = $self->{dbh}->do($sql_statement_drop);
+ $db_res = $self->{dbh}->do($sql_statement_alter);
+ &remove_lock($self,'move_table');
+
+ return;
+}
+
1;