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<?php
/*
Phoronix Test Suite
URLs: http://www.phoronix.com, http://www.phoronix-test-suite.com/
Copyright (C) 2008, Phoronix Media
Copyright (C) 2008, Michael Larabel
pts-functions_modules.php: Functions related to PTS module loading/management.
Modules are optional add-ons that don't fit the requirements for entrance into pts-core but provide added functionality.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
function pts_module_start_process()
{
$GLOBALS["PTS_MODULES"] = array();
$GLOBALS["PTS_MODULE_CURRENT"] = FALSE;
$GLOBALS["PTS_MODULE_VAR_STORE"] = array();
// Enable the toggling of the system screensaver by default.
// To disable w/o code modification, set HALT_SCREENSAVER=NO environmental variable
array_push($GLOBALS["PTS_MODULES"], "toggle_screensaver");
pts_load_modules();
pts_module_process("__startup");
register_shutdown_function("pts_module_process", "__shutdown");
}
function pts_auto_detect_modules($load_here = FALSE)
{
$module_variables_file = @file_get_contents(MODULE_DIR . "module-variables.txt");
$module_variables = explode("\n", $module_variables_file);
foreach($module_variables as $module_var)
{
$module_var = explode("=", $module_var);
if(count($module_var) == 2)
{
$env_var = trim($module_var[0]);
$module = trim($module_var[1]);
if(!in_array($module, $GLOBALS["PTS_MODULES"]) && ($e = getenv($env_var)) != FALSE && !empty($e))
{
if(defined("PTS_DEBUG_MODE"))
echo "Attempting To Add Module: " . $module . "\n";
array_push($GLOBALS["PTS_MODULES"], $module);
if($load_here)
pts_load_module($module);
}
}
}
}
function pts_load_modules()
{
// Check for modules to auto-load from the configuration file
if(strlen(($load_modules = pts_read_user_config(P_OPTION_LOAD_MODULES, ""))) > 0)
foreach(explode(",", $load_modules) as $module)
{
$module_r = explode("=", $module);
if(count($module_r) == 2)
pts_module_set_environment_variable(trim($module_r[0]), trim($module_r[1]));
else
array_push($GLOBALS["PTS_MODULES"], trim($module));
}
// Check for modules to load manually in PTS_MODULES
if(($load_modules = getenv("PTS_MODULES")) !== FALSE)
foreach(explode(",", $load_modules) as $module)
{
$module = trim($module);
if(!in_array($module, $GLOBALS["PTS_MODULES"]))
array_push($GLOBALS["PTS_MODULES"], trim($module));
}
// Detect modules to load automatically
pts_auto_detect_modules();
// Clean-up modules list
array_unique($GLOBALS["PTS_MODULES"]);
for($i = 0; $i < count($GLOBALS["PTS_MODULES"]); $i++)
if(!is_file(MODULE_DIR . $GLOBALS["PTS_MODULES"][$i] . ".php"))
unset($GLOBALS["PTS_MODULES"][$i]);
// Reset counter
$GLOBALS["PTS_MODULE_CURRENT"] = FALSE;
// Load the modules
$module_store_list = array();
foreach($GLOBALS["PTS_MODULES"] as $module)
{
pts_load_module($module);
eval("\$module_store_vars = " . $module . "::\$module_store_vars;");
if(is_array($module_store_vars) && count($module_store_vars) > 0)
foreach($module_store_vars as $store_var)
if(!in_array($store_var, $module_store_list))
array_push($module_store_list, $store_var);
}
// Should any of the module options be saved to the results?
foreach($module_store_list as $var)
{
$var_value = getenv($var);
if($var_value != FALSE && !empty($var_value))
array_push($GLOBALS["PTS_MODULE_VAR_STORE"], $var . "=" . $var_value);
}
}
function pts_load_module($module)
{
@include(MODULE_DIR . $module . ".php");
}
function pts_module_process($process)
{
foreach($GLOBALS["PTS_MODULES"] as $module)
{
$GLOBALS["PTS_MODULE_CURRENT"] = $module;
eval($module . "::" . $process . "();"); // TODO: This can be cleaned up once PHP 5.3.0+ is out there and adopted
}
$GLOBALS["PTS_MODULE_CURRENT"] = FALSE;
}
function pts_module_process_extensions($extensions)
{
if(!empty($extensions))
{
$GLOBALS["MODULE_STORE"] = $extensions;
$extensions = explode(";", $extensions);
foreach($extensions as $ev)
{
$ev_r = explode("=", $ev);
pts_module_set_environment_variable($ev_r[1], $ev_r[2]);
}
pts_auto_detect_modules(true);
}
}
function pts_module_set_environment_variable($name, $value)
{
if(getenv($name) == FALSE)
putenv($name . "=" . $value);
}
?>
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