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1 <?php
2 //$Header: /home/dashley/cvsrep/e3ft_gpl01/e3ft_gpl01/webprojs/fboprime/sw/phplib/global.inc,v 1.5 2006/04/30 16:06:27 dashley Exp $
3 //********************************************************************************
4 //global.inc--FboPrime Global Variable Definition and Initialization
5 //Copyright (C) 2006 David T. Ashley
6 //
7 //This program is free software; you can redistribute it and/or
8 //modify it under the terms of the GNU General Public License
9 //as published by the Free Software Foundation; either version 2
10 //of the License, or (at your option) any later version.
11 //
12 //This program is distributed in the hope that it will be useful,
13 //but WITHOUT ANY WARRANTY; without even the implied warranty of
14 //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 //GNU General Public License for more details.
16 //
17 //You should have received a copy of the GNU General Public License
18 //along with this program; if not, write to the Free Software
19 //Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 //-------------------------------------------------------------------------------------------------
21 //Copyright 2006 David T. Ashley
22 //-------------------------------------------------------------------------------------------------
23 //This source code and any program in which it is compiled/used is provided under the GNU GENERAL
24 //PUBLIC LICENSE, Version 3, full license text below.
25 //-------------------------------------------------------------------------------------------------
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571 //License and any other pertinent obligations, then as a consequence you may
572 //not convey it at all. For example, if you agree to terms that obligate you
573 //to collect a royalty for further conveying from those to whom you convey
574 //the Program, the only way you could satisfy both those terms and this
575 //License would be to refrain entirely from conveying the Program.
576 //
577 // 13. Use with the GNU Affero General Public License.
578 //
579 // Notwithstanding any other provision of this License, you have
580 //permission to link or combine any covered work with a work licensed
581 //under version 3 of the GNU Affero General Public License into a single
582 //combined work, and to convey the resulting work. The terms of this
583 //License will continue to apply to the part which is the covered work,
584 //but the special requirements of the GNU Affero General Public License,
585 //section 13, concerning interaction through a network will apply to the
586 //combination as such.
587 //
588 // 14. Revised Versions of this License.
589 //
590 // The Free Software Foundation may publish revised and/or new versions of
591 //the GNU General Public License from time to time. Such new versions will
592 //be similar in spirit to the present version, but may differ in detail to
593 //address new problems or concerns.
594 //
595 // Each version is given a distinguishing version number. If the
596 //Program specifies that a certain numbered version of the GNU General
597 //Public License "or any later version" applies to it, you have the
598 //option of following the terms and conditions either of that numbered
599 //version or of any later version published by the Free Software
600 //Foundation. If the Program does not specify a version number of the
601 //GNU General Public License, you may choose any version ever published
602 //by the Free Software Foundation.
603 //
604 // If the Program specifies that a proxy can decide which future
605 //versions of the GNU General Public License can be used, that proxy's
606 //public statement of acceptance of a version permanently authorizes you
607 //to choose that version for the Program.
608 //
609 // Later license versions may give you additional or different
610 //permissions. However, no additional obligations are imposed on any
611 //author or copyright holder as a result of your choosing to follow a
612 //later version.
613 //
614 // 15. Disclaimer of Warranty.
615 //
616 // THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
617 //APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
618 //HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
619 //OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
620 //THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
621 //PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
622 //IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
623 //ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
624 //
625 // 16. Limitation of Liability.
626 //
627 // IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
628 //WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
629 //THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
630 //GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
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632 //DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
633 //PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
634 //EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
635 //SUCH DAMAGES.
636 //
637 // 17. Interpretation of Sections 15 and 16.
638 //
639 // If the disclaimer of warranty and limitation of liability provided
640 //above cannot be given local legal effect according to their terms,
641 //reviewing courts shall apply local law that most closely approximates
642 //an absolute waiver of all civil liability in connection with the
643 //Program, unless a warranty or assumption of liability accompanies a
644 //copy of the Program in return for a fee.
645 //
646 // END OF TERMS AND CONDITIONS
647 //
648 // How to Apply These Terms to Your New Programs
649 //
650 // If you develop a new program, and you want it to be of the greatest
651 //possible use to the public, the best way to achieve this is to make it
652 //free software which everyone can redistribute and change under these terms.
653 //
654 // To do so, attach the following notices to the program. It is safest
655 //to attach them to the start of each source file to most effectively
656 //state the exclusion of warranty; and each file should have at least
657 //the "copyright" line and a pointer to where the full notice is found.
658 //
659 // <one line to give the program's name and a brief idea of what it does.>
660 // Copyright (C) <year> <name of author>
661 //
662 // This program is free software: you can redistribute it and/or modify
663 // it under the terms of the GNU General Public License as published by
664 // the Free Software Foundation, either version 3 of the License, or
665 // (at your option) any later version.
666 //
667 // This program is distributed in the hope that it will be useful,
668 // but WITHOUT ANY WARRANTY; without even the implied warranty of
669 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
670 // GNU General Public License for more details.
671 //
672 // You should have received a copy of the GNU General Public License
673 // along with this program. If not, see <http://www.gnu.org/licenses/>.
674 //
675 //Also add information on how to contact you by electronic and paper mail.
676 //
677 // If the program does terminal interaction, make it output a short
678 //notice like this when it starts in an interactive mode:
679 //
680 // <program> Copyright (C) <year> <name of author>
681 // This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
682 // This is free software, and you are welcome to redistribute it
683 // under certain conditions; type `show c' for details.
684 //
685 //The hypothetical commands `show w' and `show c' should show the appropriate
686 //parts of the General Public License. Of course, your program's commands
687 //might be different; for a GUI interface, you would use an "about box".
688 //
689 // You should also get your employer (if you work as a programmer) or school,
690 //if any, to sign a "copyright disclaimer" for the program, if necessary.
691 //For more information on this, and how to apply and follow the GNU GPL, see
692 //<http://www.gnu.org/licenses/>.
693 //
694 // The GNU General Public License does not permit incorporating your program
695 //into proprietary programs. If your program is a subroutine library, you
696 //may consider it more useful to permit linking proprietary applications with
697 //the library. If this is what you want to do, use the GNU Lesser General
698 //Public License instead of this License. But first, please read
699 //<http://www.gnu.org/philosophy/why-not-lgpl.html>.
700 //-------------------------------------------------------------------------------------------------
701 //********************************************************************************
702 //This file defines and initializes the global variables used by the
703 //application (there are very few of these).
704 //--------------------------------------------------------------------------------
705 require_once("config.inc");
706 require_once("strfunc.inc");
707 require_once("timeraw.inc");
708 //
709 //--------------------------------------------------------------------------------
710 //FULL LIST OF GLOBAL VARIABLES
711 //-----------------------------
712 // GLOBAL_dbhandle
713 // The handle to the MySQL database. This is used because there is only
714 // one database, and it would add a lot of typing to pass it as a formal
715 // parameter always. If a connection to the database can't be made
716 // (very near the start of nearly every script), and error screen is
717 // displayed and the script gracefully aborts.
718 //
719 // GLOBAL_dblocked
720 // TRUE if the database is locked, or FALSE if not. As mentioned in
721 // the manual, one can use a global variable of this type to implement
722 // a protocol that allows critical sections within critical sections
723 // with no risk of unlocking the database prematurely.
724 //
725 // GLOBAL_html_indent_level
726 // The indent level of HTML output. The no-indent level is 0, and the
727 // successive levels are 1, 2, 3, etc. This is used to create HTML
728 // output that is human-friendly so it can be proofread. It also allows
729 // functions to be used in multiple contexts and they will pick up the
730 // correct indent level.
731 //
732 // GLOBAL_client_ip
733 // The IP address as reported by the server (a string).
734 //--------------------------------------------------------------------------------
735 // Note: The values below are derived from a common time snapshot in order
736 // to ensure they are absolutely consistent. The snapshot is obtained
737 // at approximately the start of page execution.
738 //
739 // GLOBAL_utime_sec
740 // The Unix integer time, expressed as a string. A string format
741 // is used due to the uncertainty surrounding the 2037 Unix epoch issue.
742 //
743 // GLOBAL_utime_sec_11
744 // The Unix integer time, expressed as a string, zero-padded on the left
745 // out to 11 characters. This is provided because with a constant-length
746 // string, the lexical sort order (i.e. strcmp) is the same as the
747 // numerical order.
748 //
749 // GLOBAL_utime_nsec
750 // The Unix integer nanoseconds associated with the integer seconds above.
751 // An integer format is used because the Unix epoch issue does not affect
752 // the fractional part of the seconds.
753 //
754 // GLOBAL_utime_ut
755 // A string in the UTIME format as described in the manual, describing
756 // the time at the approximate page load time.
757 //
758 // GLOBAL_stime_year
759 // The integer year (2000-2999) in the FBO locale.
760 //
761 // GLOBAL_stime_month
762 // The integer month (1-12) in the FBO locale.
763 //
764 // GLOBAL_stime_day
765 // The integer day of the month (1-31) in the FBO locale.
766 //
767 // GLOBAL_stime_hour
768 // The integer hour (0-23) in the FBO locale.
769 //
770 // GLOBAL_stime_minute
771 // The integer minute (0-59) in the FBO locale.
772 //
773 // GLOBAL_stime_second
774 // The integer second (0-59) in the FBO locale.
775 //
776 // GLOBAL_stime_usec
777 // The integer microseconds (0-999,999) in the
778 // FBO locale.
779 //
780 // GLOBAL_stime_dow
781 // The day of the week, an integer, 0-6, 0=Sunday, 1=Monday, etc.
782 // in the FBO locale.
783 //
784 // GLOBAL_stime_string
785 // A string in the STIME format as described in the manual.
786 //--------------------------------------------------------------------------------
787 //Initializes global variables to correct starting values.
788 //
789 function GLOBAL_init()
790 {
791 global $GLOBAL_dbhandle;
792 global $GLOBAL_dblocked;
793 global $GLOBAL_html_indent_level;
794 global $GLOBAL_client_ip;
795 global $GLOBAL_utime_sec;
796 global $GLOBAL_utime_sec_11;
797 global $GLOBAL_utime_nsec;
798 global $GLOBAL_utime_ut;
799 global $GLOBAL_stime_year;
800 global $GLOBAL_stime_month;
801 global $GLOBAL_stime_day;
802 global $GLOBAL_stime_hour;
803 global $GLOBAL_stime_minute;
804 global $GLOBAL_stime_second;
805 global $GLOBAL_stime_usec;
806 global $GLOBAL_stime_dow;
807 global $GLOBAL_stime_string;
808
809 $GLOBAL_dbhandle = FALSE;
810 $GLOBAL_dblocked = FALSE;
811 $GLOBAL_html_indent_level = 0;
812
813 //Grab the client IP as known to the server and sanitize it.
814 if (isset($_SERVER["REMOTE_ADDR"]))
815 $GLOBAL_client_ip = $_SERVER["REMOTE_ADDR"];
816 else
817 $GLOBAL_client_ip = "";
818 $GLOBAL_client_ip= STRFUNC_force_stringtype_subset_truncate($GLOBAL_client_ip, ".0123456789", 40);
819
820 //Obtain a Unix timestamp.
821 $timestamp = TIMERAW_time_precision_mixed_array_2();
822 $GLOBAL_utime_sec = $timestamp[0];
823 $GLOBAL_utime_nsec = $timestamp[1];
824
825 //Provide the left-zero-padded version of the Unix seconds.
826 $GLOBAL_utime_sec_11 = STRFUNC_pad_left_zero($GLOBAL_utime_sec, 11);
827
828 //Provide the UTIME.
829 $GLOBAL_utime_ut = "UT" . $GLOBAL_utime_sec_11 . STRFUNC_pad_left_zero((string)$GLOBAL_utime_nsec, 9);
830
831 //Run the Unix timestamp through a conversion to get the time details
832 //in the locale. The time details in the locale are maintained as integers
833 //for efficient calculation. The Unix epoch issue does not affect locale
834 //time maintained in this way.
835 CONFIG_unix_sched_time_map(
836 $GLOBAL_utime_sec,
837 $GLOBAL_utime_nsec,
838 $GLOBAL_stime_year,
839 $GLOBAL_stime_month,
840 $GLOBAL_stime_day,
841 $GLOBAL_stime_hour,
842 $GLOBAL_stime_minute,
843 $GLOBAL_stime_second,
844 $GLOBAL_stime_usec,
845 $GLOBAL_stime_dow
846 );
847
848 //From the values obtained, form an STIME string that is consistent with the
849 //Unix time and the integer values.
850 $GLOBAL_stime_string = "ST"
851 . sprintf("%04d", $GLOBAL_stime_year)
852 . sprintf("%02d", $GLOBAL_stime_month)
853 . sprintf("%02d", $GLOBAL_stime_day)
854 . sprintf("%02d", $GLOBAL_stime_hour)
855 . sprintf("%02d", $GLOBAL_stime_minute)
856 . sprintf("%02d", $GLOBAL_stime_second)
857 . sprintf("%06d", $GLOBAL_stime_usec);
858 //echo " + " . $GLOBAL_stime_string . " + ";
859 }
860 //
861 //--------------------------------------------------------------------------------
862 //End of $RCSfile: global.inc,v $.
863 //--------------------------------------------------------------------------------
864 ?>

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