//
// 1.3
// ...
//
//
// and
//
//
// 4
//
// ... (arbitrary project-specific XML)
//
//
//
//
// Various functions are defined below for converting between these forms,
// and also to/from HTML form elements
// First: functions to parse preferences XML into a struct
include_once("project_specific_prefs.inc");
global $text;
global $parse_result;
global $in_project_specific;
// the following will parse either global or project prefs
// TODO: split up into separate functions
//
function element_start($parser, $name, $attrs) {
global $text;
global $project;
global $in_project_specific;
switch($name) {
case "project_specific":
$in_project_specific = 1;
$text = "";
break;
default:
if ($in_project_specific) {
$text= $text."<$name>";
} else {
$text = "";
}
}
}
function element_end($parser, $name) {
global $text;
global $parse_result;
global $in_project_specific;
switch($name) {
case "project_specific":
$parse_result->project_specific = $text;
$in_project_specific = false;
break;
case "run_on_batteries":
$parse_result->run_on_batteries = true;
break;
case "run_if_user_active":
$parse_result->run_if_user_active = true;
break;
case "confirm_before_connecting":
$parse_result->confirm_before_connecting = 1;
break;
case "low_water_days":
$parse_result->low_water_days = $text;
break;
case "high_water_days":
$parse_result->high_water_days = $text;
break;
case "disk_max_used_gb":
$parse_result->disk_max_used_gb = $text;
break;
case "disk_max_used_pct":
$parse_result->disk_max_used_pct = $text;
break;
case "disk_min_free_gb":
$parse_result->disk_min_free_gb = $text;
break;
case "resource_share":
$parse_result->resource_share = $text;
break;
case "show_email":
$parse_result->show_email = true;
break;
case "send_email":
$parse_result->send_email = true;
break;
case "mod_time":
$parse_result->mod_time = $text;
break;
case "global_preferences":
break;
case "project_preferences":
break;
default:
if ($in_project_specific) {
$text = $text."\n";
} else {
echo "Unknown tag: $name\n";
}
}
}
function char_handler($parser, $x) {
global $text;
$text = $text.$x;
}
// state of prefs for new users
//
function default_prefs() {
$p = null;
$p->run_on_batteries = false;
$p->run_if_user_active = false;
$p->confirm_before_connecting = 0;
$p->low_water_days = 1;
$p->high_water_days = 3;
$p->disk_max_used_gb = 100;
$p->disk_max_used_pct = 50;
$p->disk_min_free_gb = 1;
$p->resource_share = 100;
$p->show_email = false;
$p->send_email = true;
return $p;
}
// state of prefs before parsing
//
function initial_prefs() {
$p = default_prefs;
$p->show_email = false;
$p->send_email = false;
}
// parse prefs (either global or project) from XML to a struct
//
function prefs_parse($prefs_xml) {
global $parse_result;
$parse_result = initial_prefs();
$xml_parser = xml_parser_create();
xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, 0);
xml_set_element_handler($xml_parser, "element_start", "element_end");
xml_set_character_data_handler($xml_parser, "char_handler");
xml_parse($xml_parser, $prefs_xml, 1);
return $parse_result;
}
////////////////////////////////////////////
//
// display preference subsets, with Edit buttons
//
function prefs_show_global($prefs) {
row2a("Work if computer on batteries:", $prefs->run_on_batteries?"Yes":"No");
row2a("Work if computer in use:", $prefs->run_if_user_active?"Yes":"No");
row2a("Confirm before connecting to network:", $prefs->confirm_before_connecting?"Yes":"No");
row2a("Minimum amount of work to buffer:", "$prefs->low_water_days days");
row2a("Maximum amount of work to buffer:", "$prefs->high_water_days days");
row2a("Maximum disk space to use:", "$prefs->disk_max_used_gb GB");
row2a("Minimum disk space to leave free:", "$prefs->disk_min_free_gb GB");
row2a("Maximum % of disk allowed to used:", "$prefs->disk_max_used_pct %");
}
function prefs_show_resource($prefs) {
row2(
"Resource share:
If you participate in multiple BOINC projects, this is the proportion of your resources used by ".PROJECT."",
$prefs->resource_share
);
}
function prefs_show_email($prefs) {
row2("Should ".PROJECT." send you email newsletters?", $prefs->send_email?"Yes":"No");
row2("Should ".PROJECT." show your email address on its web site?", $prefs->show_email?"Yes":"No");
}
function prefs_show_project($prefs) {
project_specific_prefs_show($prefs);
}
function print_prefs_display($user) {
echo "
";
}
////////////////////////////////////////////
//
// Functions to display preference subsets as forms
//
function prefs_form_global($user, $prefs) {
echo "
Should ".PROJECT." run while the computer is on battery power?
(This matters only for portable computers)
";
}
function prefs_form_resource($prefs) {
echo "
Resource share: The proportion of your computer's resources
(processing time and disk space)
allocated to ".PROJECT."
relative to the other BOINC projects in which you participate.
The default is 100.
For example, if you participate in two projects and
give them resource shares of 100 and 200,
the first will get 1/3 of our resources and the second will get 2/3.
";
}
function prefs_form_project($prefs_xml) {
$prefs = project_specific_prefs_parse($prefs_xml);
project_specific_prefs_edit($prefs);
}
function venue_show($user) {
echo "
Venue
$user->venue
\n";
}
function venue_form($user) {
if ($user->venue == "home") $h = "selected";
if ($user->venue == "work") $w = "selected";
if ($user->venue == "school") $s = "selected";
echo "
Computer location
";
}
function venue_parse(&$user) {
parse_str(getenv("QUERY_STRING"));
$user->venue = $venue;
}
function venue_update($user) {
mysql_query("update user set venue='$user->venue' where id=$user->id");
}
////////////////////////////////////////////
//
// Functions to parse form elements, modifying a preferences structure
//
function prefs_global_parse_form(&$prefs) {
parse_str(getenv("QUERY_STRING"));
$prefs->run_on_batteries = ($run_on_batteries == "yes");
$prefs->run_if_user_active = ($run_if_user_active == "yes");
$prefs->confirm_before_connecting = isset($confirm_before_connecting)?1:0;
$prefs->low_water_days = $low_water_days;
$prefs->high_water_days = $high_water_days;
$prefs->disk_max_used_gb = $disk_max_used_gb;
$prefs->disk_max_used_pct = $disk_max_used_pct;
$prefs->disk_min_free_gb = $disk_min_free_gb;
}
function prefs_resource_parse_form(&$prefs) {
parse_str(getenv("QUERY_STRING"));
$prefs->resource_share = $resource_share;
}
function prefs_email_parse_form(&$prefs) {
parse_str(getenv("QUERY_STRING"));
$prefs->send_email = ($send_email == "yes");
$prefs->show_email = ($show_email == "yes");
}
function prefs_project_parse_form(&$prefs) {
$prefs->project_specific = project_specific_prefs_parse_form();
}
////////////////////////////////////////////
//
// convert prefs from structure to XML
//
function global_prefs_make_xml($prefs) {
$xml = "\n";
$now = time();
$xml = $xml."$now\n";
if ($prefs->run_on_batteries) {
$xml = $xml."\n";
}
if ($prefs->run_if_user_active) {
$xml = $xml."\n";
}
if ($prefs->confirm_before_connecting) {
$xml = $xml."\n";
}
$xml = $xml
."$prefs->low_water_days\n"
."$prefs->high_water_days\n";
$xml = $xml
."$prefs->disk_max_used_gb\n"
."$prefs->disk_max_used_pct\n"
."$prefs->disk_min_free_gb\n";
$xml = $xml."\n";
return $xml;
}
function project_prefs_make_xml($prefs) {
$xml = "\n";
if ($prefs->show_email == 1) {
$xml = $xml."\n";
}
if ($prefs->send_email == 1) {
$xml = $xml."\n";
}
$xml = $xml
."$prefs->resource_share\n"
."\n$prefs->project_specific\n";
$xml = $xml."\n";
return $xml;
}
////////////////////////////////////////////
//
// Update user's prefs in database, from a given structure
//
function global_prefs_update(&$user, $prefs) {
$prefs_xml = global_prefs_make_xml($prefs);
mysql_query("update user set global_prefs='$prefs_xml' where id=$user->id");
$user->global_prefs = $prefs_xml;
}
function project_prefs_update(&$user, $prefs) {
$prefs_xml = project_prefs_make_xml($prefs);
mysql_query("update user set project_prefs='$prefs_xml' where id=$user->id");
$user->project_prefs = $prefs_xml;
}
?>