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Looks like collection locking got implemented along with resource locking.

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This commit is contained in:
Andrew McMillan 2006-12-07 00:41:13 +13:00
parent 37ec5112f6
commit 4fcd9d8c0a
1 changed files with 30 additions and 1 deletions
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31
inc/caldav-LOCK.php
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@ -83,8 +83,37 @@ foreach( $request->xml_tags AS $k => $v ) {
function lock_collection( $depth, $user_no, $path ) {
global $request, $lockinfo;
dbg_error_log( "LOCK", "Attempting to lock collection '%s' to depth %d", $path, $depth);
$lock = new XMLElement("lockinfo", '', array("xmlns" => "DAV:") );
if ( ($lock_token = $request->IsLocked()) ) { // NOTE Assignment in if() is expected here.
$sql = "UPDATE locks SET start = current_timestamp WHERE opaquelocktoken = ?;";
$qry = new PgQuery($sql, $lock_token );
$qry->Exec("LOCK",__LINE__,__FILE__);
}
else {
/**
* A fresh lock
*/
$lock_token = uuid();
$sql = "INSERT INTO locks ( dav_name, opaquelocktoken, type, scope, depth, owner, timeout, start ) VALUES( ?, ?, ?, ?, ?, ?, ?::interval, current_timestamp );";
$qry = new PgQuery($sql, $request->path, $lock_token, $lockinfo['type'], $lockinfo['scope'], $request->depth, $lockinfo['owner'], $request->timeout.' seconds' );
$qry->Exec("LOCK",__LINE__,__FILE__);
header( "Lock-Token: <opaquelocktoken:$lock_token>" );
}
$lock_row = $request->GetLockRow($lock_token);
$activelock = array(
new XMLElement( 'locktype', new XMLElement( $lock_row->type )),
new XMLElement( 'lockscope', new XMLElement( $lock_row->scope )),
new XMLElement( 'depth', $request->GetDepthName() ),
new XMLElement( 'owner', new XMLElement( 'href', $lock_row->owner )),
new XMLElement( 'timeout', 'Second-'.$request->timeout),
new XMLElement( 'locktoken', new XMLElement( 'href', 'opaquelocktoken:'.$lock_token ))
);
$lock = new XMLElement("lockdiscovery", new XMLElement( "activelock", $activelock), array("xmlns" => "DAV:") );
return $lock;
}