packages/web/353/camogmgui/camogm_interface.php

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<?
/*!***************************************************************************
*! FILE NAME  : camogmgui.php
*! DESCRIPTION: command interface for the camogm recorder and camogm GUI
*! Copyright (C) 2008 Elphel, Inc
*! -----------------------------------------------------------------------------**
*!
*!  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/>.
*! -----------------------------------------------------------------------------**
*!  $Log: camogm_interface.php,v $
*!  Revision 1.1.1.1  2008/11/27 20:04:03  elphel
*!
*!
*!  Revision 1.1  2008/11/21 02:46:33  elphel
*!  added camogmgui
*!
*!

*!  Revision 1.0  2008/09/21 Sebastian Pichelhofer
*!  start and stop commands for ajax execution
*!
*/
$cmd = $_GET['cmd'];

if ($cmd == "run_camogm")
{
        exec('camogm /var/state/camogm_cmd > /dev/null 2>&1 &'); // Can I simply use camogm2 here?
}
else if         ($cmd == "status")
{
        $pipe="/var/state/camogm.state";
        $cmd_pipe="/var/state/camogm_cmd";
        $mode=0777;
        if(!file_exists($pipe)) {
                umask(0);
                posix_mkfifo($pipe,$mode);
        }
        $fcmd=fopen($cmd_pipe,"w");
        fprintf($fcmd, "xstatus=%s\n",$pipe);
        fclose($fcmd);

        $status=file_get_contents($pipe);
        header("Content-Type: text/xml");
        header("Content-Length: ".strlen($status)."\n");
        header("Pragma: no-cache\n");
        printf($status);
}
else
{       

        header("Content-type: text/xml"); 
        header("Pragma: no-cache\n");
        
        function xml_header() {
                echo "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n";
                echo "<camogm_interface>\n";
        }
        function xml_footer() {
                echo "</camogm_interface>\n";
        }
        
        $cmd_pipe = "/var/state/camogm_cmd";
        $fcmd = fopen($cmd_pipe, "w");
        
        xml_header();
        echo "<command>".$cmd."</command>";
        echo "<".$cmd.">";
        
        switch ($cmd)
        {
                case "start":
                        fprintf($fcmd,"start;\n");
                        break;
                case "stop":
                        fprintf($fcmd,"stop;\n");
                        break;  
                case "file_rename":
                        if ((!isset($_GET['file_old'])) || (!isset($_GET['file_new'])))
                        {
                                echo "failed";
                                break;
                        }
                        $old_name = $_GET['file_old'];
                        $new_name = $_GET['file_new'];
                        if ($old_name == $new_name)
                                echo "1";
                        else if (file_exists("/var/hdd/".$new_name))
                                echo "file exists";
                        else
                                echo rename("/var/hdd/".$old_name, "/var/hdd/".$new_name);
                        break;
                case "mount":
                        exec('mkdir /var/hdd');
                        exec('mount /dev/hda1 /var/hdd');
                        echo "done";
                        break;
                case "get_hdd_space":
                        echo disk_free_space("/var/hdd");
                        break;
                case "is_hdd_mounted":
                        exec('mount', $arr);
                        $mounted = implode("", $arr);
                        if (strstr($mounted, "/dev/hda1"))
                                echo substr($mounted, strpos($mounted, "/dev/hda1"),22);
                        else
                                echo "no HDD mounted";
                        break;
                case "create_symlink":
                        exec('ln -s /var/hdd /mnt/flash/html/hdd');
                        break;
                case "list_files":
                        if (!file_exists('/mnt/flash/html/hdd')) {
                                echo "no webshare found";
                        break;
                        }
                        if ($handle = opendir('/mnt/flash/html/hdd')) 
                        {
                                while ($file = readdir($handle))
                                {
                                        if ($file != "." && $file != "..")
                                        {       
                                                echo "<file>";
                                                echo "<name>".$file."</name>";
                                                $size = filesize("/var/hdd/".$file);
                                                echo "<size>".$size."</size>";
                                                echo "</file>";
                                        }
                                }
                                closedir($handle);
                        }
                        else
                                echo "no webshare found<br>";
                        break;
                case "set_prefix":
                        $prefix = $_GET['prefix'];
                        fprintf($fcmd, "prefix=%s;\n", $prefix);
                        setcookie("directory", $prefix);
                        break;
                case "init_compressor":
                        elphel_compressor_run();
                        break;
        }
        if ($fcmd)
                fclose($fcmd);
        echo "</".$cmd.">";
        xml_footer();
}
?>

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