Commit 2997e18c authored by Mikhail Karpenko's avatar Mikhail Karpenko

Add raw device detection

parent 1a586b78
...@@ -400,7 +400,12 @@ else ...@@ -400,7 +400,12 @@ else
} }
echo "</item>"; echo "</item>";
} }
break;
case "list_raw_devices":
$devices = get_raw_dev();
foreach ($devices as $device) {
echo "<raw_device>" . $device . "</raw_device>";
}
break; break;
case "mkdir": case "mkdir":
$dir_name = $_GET['name']; $dir_name = $_GET['name'];
...@@ -601,6 +606,63 @@ function xml_footer() { ...@@ -601,6 +606,63 @@ function xml_footer() {
echo "</camogm_interface>\n"; echo "</camogm_interface>\n";
} }
/** Get a list of disk devices which have file system and can be mounted. This function
* uses 'blkid' command from busybox.
*/
function get_mnt_dev()
{
exec("blkid", $ids);
$i = 0;
foreach ($ids as $id) {
$devices[$i] = preg_replace('/: +.*/', "", $id);
if (preg_match('/(?<=TYPE=")[a-z0-9]+(?=")/', $id, $fs) == 1)
$fs_types[$i] = $fs[0];
else
$fs_types[$i] = "none";
$i++;
}
return array("devices" => $devices, "types" => $fs_types);
}
/** Get a list of devices whithout file system which can be used for raw disk storage from camogm. */
function get_raw_dev()
{
$j = 0;
$regexp = '/sd[a-z0-9]+$/';
$names = array();
$ret = get_mnt_dev();
$devices = $ret["devices"];
$types = $ret["types"];
exec("cat /proc/partitions", $partitions);
// get a list of all suitable partitions
// the first two elements of an array are table header and empty line delimiter, skip them
for ($i = 2; $i < count($partitions); $i++) {
// select SATA devices only
if (preg_match($regexp, $partitions[$i], $name) == 1) {
$names[$j] = $name[0];
$j++;
}
}
// filter out partitions with file system
$i = 0;
$raw_devices = array();
foreach ($names as $name) {
$found = false;
foreach ($devices as $device) {
if (strpos($device, $name) !== false)
$found = true;
}
if ($found === false) {
// current partition is not found in the blkid list, add it to raw devices
$raw_devices[$i] = "/dev/" . $name;
$i++;
}
}
return $raw_devices;
}
?> ?>
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