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index cde2978231a52f3a18b92169d70dc86305d4e11d..556b31ef7e96878077fe6793d4c0a0a73973aa3b 100644 (file)
use DBI;
use Data::Dumper;
use GOSA::GosaSupportDaemon;
-use threads;
use Time::HiRes qw(usleep);
-use utf8;
my $col_names = {};
my $class = shift;
my $db_name = shift;
- my $lock = $db_name.".lock";
+ my $lock = $db_name.".si.lock";
# delete existing lock - instance should be running only once
if(stat($lock)) {
+ &main::daemon_log("DEBUG: Removed existing lock $lock.", 7);
unlink($lock);
}
my $self = {dbh=>undef,db_name=>undef,db_lock=>undef,db_lock_handle=>undef};
- my $dbh = DBI->connect("dbi:SQLite:dbname=$db_name");
+ my $dbh = DBI->connect("dbi:SQLite:dbname=$db_name", "", "", {RaiseError => 1, AutoCommit => 1});
$self->{dbh} = $dbh;
$self->{db_name} = $db_name;
$self->{db_lock} = $lock;
return($self);
}
-sub lock_exists : locked {
- my $self=shift;
- my $funcname=shift;
- my $lock = $self->{db_lock};
- my $result=(-f $lock);
- if($result) {
- #&main::daemon_log("(".((defined $funcname)?$funcname:"").") Lock (PID ".$$.") $lock found", 8);
- usleep 100;
- }
- return $result;
-}
-
-sub create_lock : locked {
- my $self=shift;
- my $funcname=shift;
- #&main::daemon_log("(".((defined $funcname)?$funcname:"").") Creating Lock (PID ".$$.") ".($self->{db_lock}),8);
-
- my $lock = $self->{db_lock};
- while( -f $lock ) {
- #&main::daemon_log("(".((defined $funcname)?$funcname:"").") Lock (PID ".$$.") $lock found",8);
- sleep 1;
- }
-
- open($self->{db_lock_handle},'>',$self->{db_lock});
-}
-
-sub remove_lock : locked {
- my $self=shift;
- my $funcname=shift;
- #&main::daemon_log("(".((defined $funcname)?$funcname:"").") Removing Lock (PID ".$$.") ".$self->{db_lock}, 8);
- close($self->{db_lock_handle});
- unlink($self->{db_lock});
-}
-
sub create_table {
my $self = shift;
}
$col_names->{ $table_name } = $col_names_ref;
- 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');
+ my $col_names_string = join("', '", @col_names);
+ my $sql_statement = "CREATE TABLE IF NOT EXISTS $table_name ( '$col_names_string' )";
+ eval {
+ my $res = $self->{dbh}->do($sql_statement);
+ };
+ if($@) {
+ $self->{dbh}->do("ANALYZE");
+ }
+ eval {
+ my $res = $self->{dbh}->do($sql_statement);
+ };
+ if($@) {
+ &main::daemon_log("ERROR: $sql_statement failed with $@", 1);
+ }
+
return 0;
}
sub add_dbentry {
- my $self = shift;
- my $arg = shift;
-
- # if dbh not specified, return errorflag 1
- my $table = $arg->{table};
- if( not defined $table ) {
- return 1 ;
- }
-
- # specify primary key in table
- if (not exists $arg->{primkey}) {
- return 2;
- }
- 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;
- }
- $arg->{id} = $id;
- }
+ my $self = shift;
+ my $arg = shift;
+ my $res = 0; # default value
+
+ # if dbh not specified, return errorflag 1
+ my $table = $arg->{table};
+ if( not defined $table ) {
+ return 1 ;
+ }
- # if timestamp is not provided, add timestamp
- if( not exists $arg->{timestamp} ) {
- $arg->{timestamp} = &get_time;
- }
+ # 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->{$primkey}'";
- &create_lock($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 $col_names = &get_table_columns($self, $table);
-
- # assign values to column name variables
- my @add_list;
- foreach my $col_name (@{$col_names}) {
- # use function parameter for column values
-
- if (exists $arg->{$col_name}) {
- push(@add_list, $arg->{$col_name});
- }
- }
-
- my $sql_statement = "INSERT INTO $table VALUES ('".join("', '", @add_list)."')";
- &create_lock($self,'add_dbentry');
- my $db_res = $self->{dbh}->do($sql_statement);
- &remove_lock($self,'add_dbentry');
- if( $db_res != 1 ) {
- return 4;
- }
-
- } else {
- # entry already exists, so update it
- my $where_str= " WHERE $primkey='".$arg->{$primkey}."'";
-
- my @update_l;
- while( my ($pram, $val) = each %{$arg} ) {
- if( $pram eq 'table' ) { next; }
- if( $pram eq 'primkey' ) { next; }
- push(@update_l, "$pram='$val'");
- }
- my $update_str= join(", ", @update_l);
- $update_str= " SET $update_str";
+ # check primkey and run insert or update
+ my $primkeys = $arg->{'primkey'};
+ my $prim_statement="";
+ if( 0 != @$primkeys ) { # more than one primkey exist in list
+ my @prim_list;
+ foreach my $primkey (@$primkeys) {
+ if( not exists $arg->{$primkey} ) {
+ return (3, "primkey '$primkey' has no value for add_dbentry");
+ }
+ push(@prim_list, "$primkey='".$arg->{$primkey}."'");
+ }
+ $prim_statement = "WHERE ".join(" AND ", @prim_list);
+
+ # check wether primkey is unique in table, otherwise return errorflag
+ my $sql_statement = "SELECT * FROM $table $prim_statement";
+ eval {
+ $res = @{ $self->{dbh}->selectall_arrayref($sql_statement) };
+ };
+ if($@) {
+ $self->{dbh}->do("ANALYZE");
+ eval {
+ $res = @{ $self->{dbh}->selectall_arrayref($sql_statement) };
+ };
+ if($@) {
+ &main::daemon_log("ERROR: $sql_statement failed with $@", 1);
+ }
+ }
- my $sql_statement= "UPDATE $table $update_str $where_str";
- my $db_res = &update_dbentry($self, $sql_statement );
+ }
- }
+ # primkey is unique or no primkey specified -> run insert
+ if ($res == 0) {
+ # fetch column names of table
+ my $col_names = &get_table_columns($self, $table);
+
+ my $create_id=0;
+ foreach my $col_name (@{$col_names}) {
+ if($col_name eq "id" && (! exists $arg->{$col_name})) {
+ &main::daemon_log("DEBUG: id field found without value! Creating autoincrement statement!");
+ $create_id=1;
+ }
+ }
+
+ # assign values to column name variables
+ my @col_list;
+ my @val_list;
+ foreach my $col_name (@{$col_names}) {
+ # use function parameter for column values
+ if (exists $arg->{$col_name}) {
+ push(@col_list, "'".$col_name."'");
+ push(@val_list, "'".$arg->{$col_name}."'");
+ }
+ }
+
+ my $sql_statement;
+ if($create_id==1) {
+ $sql_statement = "INSERT INTO $table ('id', ".join(", ", @col_list).") VALUES ((select coalesce(max(id), 0)+1 from $table), ".join(", ", @val_list).")";
+ } else {
+ $sql_statement = "INSERT INTO $table (".join(", ", @col_list).") VALUES (".join(", ", @val_list).")";
+ }
+ my $db_res;
+ eval {
+ $db_res = $self->{dbh}->do($sql_statement);
+ };
+ if($@) {
+ $self->{dbh}->do("ANALYZE");
+ eval {
+ $db_res = $self->{dbh}->do($sql_statement);
+ };
+ if($@) {
+ &main::daemon_log("ERROR: $sql_statement failed with $@", 1);
+ }
+ }
+
+ if( $db_res != 1 ) {
+ return (4, $sql_statement);
+ }
+
+ # entry already exists -> run update
+ } else {
+ my @update_l;
+ while( my ($pram, $val) = each %{$arg} ) {
+ if( $pram eq 'table' ) { next; }
+ if( $pram eq 'primkey' ) { next; }
+ push(@update_l, "$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, $sql_statement );
+ }
- return 0;
+ return 0;
}
+
sub update_dbentry {
my ($self, $sql)= @_;
my $db_answer= &exec_statement($self, $sql);
my $table = shift;
my @column_names;
- if(exists $col_names->{$table}) {
- @column_names = @{$col_names->{$table}};
- } else {
- &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]);
- }
- }
+ if(exists $col_names->{$table}) {
+ @column_names = @{$col_names->{$table}};
+ } else {
+ my @res;
+ eval {
+ @res = @{$self->{dbh}->selectall_arrayref("pragma table_info('$table')")};
+ };
+ if($@) {
+ $self->{dbh}->do("ANALYZE");
+ eval {
+ @res = @{$self->{dbh}->selectall_arrayref("pragma table_info('$table')")};
+ };
+ if($@) {
+ &main::daemon_log("ERROR: pragma table_info('$table') failed with $@", 1);
+ }
+ }
+
+ foreach my $column (@res) {
+ push(@column_names, @$column[1]);
+ }
+ }
return \@column_names;
}
my ($self, $sql)= @_;
my $error= 0;
my $answer= {};
-
my $db_answer= &exec_statement($self, $sql);
+ my @column_list;
# fetch column list of db and create a hash with column_name->column_value of the select query
- $sql =~ /FROM ([\S]*?)( |$)/g;
- my $table = $1;
- my $column_list = &get_table_columns($self, $table);
- my $list_len = @{ $column_list } ;
+ $sql =~ /SELECT ([\S\s]*?) FROM ([\S]*?)( |$)/g;
+ my $selected_cols = $1;
+ my $table = $2;
+
+ # all columns are used for creating answer
+ if ($selected_cols eq '*') {
+ @column_list = @{ &get_table_columns($self, $table) };
+
+ # specific columns are used for creating answer
+ } else {
+ # remove all blanks and split string to list of column names
+ $selected_cols =~ s/ //g;
+ @column_list = split(/,/, $selected_cols);
+ }
+
+ # create answer
my $hit_counter = 0;
- foreach my $hit ( @{ $db_answer }) {
+ my $list_len = @column_list;
+ foreach my $hit ( @{$db_answer} ){
$hit_counter++;
for ( my $i = 0; $i < $list_len; $i++) {
- $answer->{ $hit_counter }->{ @{ $column_list }[$i] } = @{ $hit }[$i];
+ $answer->{ $hit_counter }->{ $column_list[$i] } = @{ $hit }[$i];
}
}
-
+
return $answer;
}
my $sql_statement= "SELECT * FROM $table_name ORDER BY timestamp";
my $res= &exec_statement($self, $sql_statement);
-
my @answer;
foreach my $hit (@{$res}) {
push(@answer, "hit: ".join(', ', @{$hit}));
}
+
return join("\n", @answer);
}
sub exec_statement {
my $self = shift;
my $sql_statement = shift;
-
- &create_lock($self,'exec_statement');
- my @db_answer = @{$self->{dbh}->selectall_arrayref($sql_statement)};
- &remove_lock($self, 'exec_statement');
+ my @db_answer;
+
+ eval {
+ @db_answer = @{$self->{dbh}->selectall_arrayref($sql_statement)};
+ };
+ if($@) {
+ $self->{dbh}->do("ANALYZE");
+ eval {
+ @db_answer = @{$self->{dbh}->selectall_arrayref($sql_statement)};
+ };
+ if($@) {
+ &main::daemon_log("ERROR: $sql_statement failed with $@", 1);
+ }
+ }
return \@db_answer;
}
+sub exec_statementlist {
+ my $self = shift;
+ my $sql_list = shift;
+ my @db_answer;
+
+ foreach my $sql (@$sql_list) {
+ if(defined($sql) && length($sql) > 0) {
+ eval {
+ my @answer = @{$self->{dbh}->selectall_arrayref($sql)};
+ push @db_answer, @answer;
+ };
+ if($@) {
+ $self->{dbh}->do("ANALYZE");
+ eval {
+ my @answer = @{$self->{dbh}->selectall_arrayref($sql)};
+ push @db_answer, @answer;
+ };
+ if($@) {
+ &main::daemon_log("ERROR: $sql failed with $@", 1);
+ }
+ }
+ } else {
+ next;
+ }
+ }
+
+ return \@db_answer;
+}
+
+
sub count_dbentries {
my ($self, $table)= @_;
my $error= 0;
}
+sub move_table {
+ my ($self, $from, $to) = @_;
+
+ my $sql_statement_drop = "DROP TABLE IF EXISTS $to";
+ my $sql_statement_alter = "ALTER TABLE $from RENAME TO $to";
+
+ eval {
+ $self->{dbh}->do($sql_statement_drop);
+ };
+ if($@) {
+ $self->{dbh}->do("ANALYZE");
+ eval {
+ $self->{dbh}->do($sql_statement_drop);
+ };
+ if($@) {
+ &main::daemon_log("ERROR: $sql_statement_drop failed with $@", 1);
+ }
+ }
+
+ eval {
+ $self->{dbh}->do($sql_statement_alter);
+ };
+ if($@) {
+ $self->{dbh}->do("ANALYZE");
+ eval {
+ $self->{dbh}->do($sql_statement_alter);
+ };
+ if($@) {
+ &main::daemon_log("ERROR: $sql_statement_alter failed with $@", 1);
+ }
+ }
+
+ return;
+}
1;