1 files changed, 64 insertions, 0 deletions
diff --git a/lib/MasterServer/Database/SQLite/dbCore.pm b/lib/MasterServer/Database/SQLite/dbCore.pm
new file mode 100755
index 0000000..a75f7a0
--- /dev/null
+++ b/lib/MasterServer/Database/SQLite/dbCore.pm
@@ -0,0 +1,64 @@
+
+package MasterServer::Database::SQLite::dbCore;
+
+use strict;
+use warnings;
+use Exporter 'import';
+
+our @EXPORT = qw| database_login |;
+
+################################################################################
+## database_login
+## login to the database with credentials provided in the config file.
+## returns dbh object
+################################################################################
+sub database_login {
+  my $self = shift;
+  
+    # check if database file exists
+    my $db_file = [split(':', $self->{dblogin}->[0])]->[2];
+       $db_file =~ s/dbname=//i;
+
+    unless (-e $db_file) {
+      # fatal error
+      $self->log("fatal", "Database file $db_file does not exist!");
+      
+      # end program
+      $self->halt();
+    }
+    
+  # create the dbi object
+  my $dbh = DBI->connect(@{$self->{dblogin}}, {PrintError => 0});
+  
+  # verify that the database connected
+  if (defined $dbh) {
+    # log the event
+    $self->log("database","Connected to the SQLite database.");
+    
+    # turn on error printing
+    $dbh->{printerror} = 1;
+    
+    # synchronous read/writing to the sql file OFF. That means: when the script 
+    # shuts down unexpectedly, i.e. because of power failure or a crash, changes 
+    # to the database are NOT SAVED. However, if this setting is not turned OFF, 
+    # it takes too long to write to the database, which means that new beacons, 
+    # requests and servers cannot be processed. You don't have a choice, really..
+    $dbh->do("PRAGMA synchronous = OFF");
+  
+    # return the dbi object for further use
+    return $dbh;
+  }
+  else {
+    # fatal error
+    $self->log("fatal", "$DBI::errstr!");
+    
+    # end program
+    $self->halt();
+  }
+  
+  # unreachable
+  return undef;
+
+}
+
+1;