mistserver/lsp/functions.js

756 lines
No EOL
29 KiB
JavaScript

/**
* Show a confirm dialog
* @param question the question displayed
*/
function confirmDelete(question)
{
return confirm(question);
}
/**
* Format a date to mm/dd/yyyy hh:mm:ss format
* @param date the date to format (timestamp)
*/
function formatDate(date)
{
var d = new Date(date * 1000);
// note: .getMonth() returns the month from 0-11
return [
('00' + (d.getMonth()+1)).slice(-2),
('00' + d.getDate()).slice(-2),
d.getFullYear()
].join('/') + ' ' + [
('00' + d.getHours()).slice(-2),
('00' + d.getMinutes()).slice(-2),
('00' + d.getSeconds()).slice(-2)
].join(':');
}
/**
* Format a date to mmm dd /yyyy hh:mm:ss format
* @param date the date to format (timestamp)
*/
months = Array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
function formatDateLong(date)
{
var d = new Date(date * 1000);
return [
months[d.getMonth()],
('00' + d.getDate()).slice(-2),
d.getFullYear()
].join(' ') + ' ' + [
('00' + d.getHours()).slice(-2),
('00' + d.getMinutes()).slice(-2),
('00' + d.getSeconds()).slice(-2)
].join(':');
}
function nameMonth(monthNum)
{
months = Array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
}
/**
* Find out what kind of resource an URI is
* @param uri the URI to check. If it start with a protocol (ebut not file://) return 'Live', else 'Recorded'
*/
function TypeofResource(uri)
{
var protocol = /([a-zA-Z]+):\/\//.exec(uri);
if(protocol === null || (protocol[1] && protocol[1] === 'file'))
{
return 'Recorded';
}else{
return 'Live';
}
}
/**
* convert a short limit name to a long one using the table above
* @param name the short name of a limit
*/
function shortToLongLimit(name)
{
var i;
for(i = 0; i < ltypes.length; i++)
{
if(name == ltypes[i][0])
{
return ltypes[i][1];
}
}
return name;
}
/**
* forse the server to save to the config file
* @param callback function to call after the command is send
*/
function forceJSONSave(callback)
{
// build the object to send to the server
var data =
{
'authorize':
{
'username': settings.credentials.username,
'password': (settings.credentials.authstring != "" ? MD5(MD5(settings.credentials.password) + settings.credentials.authstring) : "" )
},
'save': 1
};
// make the XHR call
$.ajax(
{
'url': settings.server,
'data':
{
"command": JSON.stringify(data)
},
'dataType': 'jsonp',
'timeout': 10000,
'error': function(){},
'success': function(){}
});
}
/**
* retrieves data from the server ;)
* note: does not authenticate first. Assumes user is logged in.
* @param callback the function to call when the data has been retrieved. This callback has 1 parameter, the data retrieved.
*/
function getData(callback)
{
var data =
{
'authorize':
{
'username': settings.credentials.username,
'password': (settings.credentials.authstring != "" ? MD5(MD5(settings.credentials.password) + settings.credentials.authstring) : "" )
},
'capabilities': {}
};
$.ajax(
{
'url': settings.server,
'data':
{
"command": JSON.stringify(data)
},
'dataType': 'jsonp',
'timeout': 10000,
'error': function(){},
'success': function(d)
{
var ret = $.extend(true,
{
"streams": {},
"capabilities": {},
"statistics": {}
}, d);
//IE breaks if the console isn't opened, so keep commented when committing
//console.log('[651] RECV', ret);
if(callback)
{
callback(ret);
}
}
});
}
/**
* retrieved the status and number of viewers from all streams
* @param callback function that is called when the data is collected. Has one parameter, the data retrieved
*/
function getStreamsData(callback)
{
getData(function(data)
{
var streams = {}; // streamID: [status, numViewers];
var cnt = 0;
for(var stream in data.streams)
{
streams[stream] = [data.streams[stream].online, 0, data.streams[stream].error];
cnt++;
}
if(cnt === 0)
{
return; // if there are no streams, don't collect data and just return
}
for(stream in data.statistics)
{
if(data.statistics[stream].curr)
{
for(var viewer in data.statistics[stream].curr)
{
streams[stream][1]++;
}
}
}
callback(streams);
});
}
/**
* parses an url and returns the parts of it.
* @return object containing the parts of the URL: protocol, host and port.
*/
function parseURL(url)
{
var pattern = /(https?)\:\/\/([^:\/]+)\:(\d+)?/i;
var retobj = {protocol: '', host: '', port: ''};
var results = url.match(pattern);
if(results != null)
{
retobj.protocol = results[1];
retobj.host = results[2];
retobj.port = results[3];
}
return retobj;
}
/**
* go figure.
* @return true if there is a HTTP connector... and false if there isn't.
*/
function isThereAHTTPConnector()
{
var i,
len = (settings.settings.config.protocols ? settings.settings.config.protocols.length : 0);
for(i = 0; i < len; i++)
{
if(settings.settings.config.protocols[i].connector == 'HTTP')
{
return true;
}
}
return false;
}
/**
* retrieve port of the http connector
* @return the port number
*/
function getHTTPControllerPort()
{
var i,
len = (settings.settings.config.protocols ? settings.settings.config.protocols.length : 0);
for(i = 0; i < len; i++)
{
if(settings.settings.config.protocols[i].connector == 'HTTP')
{
if (settings.settings.config.protocols[i].port == 0) {
return 8080;
}
else {
return settings.settings.config.protocols[i].port;
}
}
}
return 0;
}
/**
* retrieves the stream status (online and total number of streams) and viewer info (total number of viewers).
* @param callback function that is called when data is retrieved. Has one parameter, the retrieved data.
*/
function getStatData(callback)
{
getData(function(data)
{
var svr, viewer, ret,
numstr = 0,
numvwr = 0,
numtotstr = 0;
for(svr in data.statistics)
{
if(data.statistics[svr].curr)
{
for(viewer in data.statistics[svr].curr)
{
numvwr++;
}
}
}
for(svr in data.streams)
{
numtotstr++;
if(data.streams[svr].online && data.streams[svr].online != 0 )
{
numstr++;
}
}
ret = {streams: [numstr, numtotstr], viewers: numvwr};
callback(ret);
});
}
/**
* Connect to the server and retrieve the data
* @param callback the function to call when connected. Has one parameter, an optional error string.
*/
function loadSettings(callback)
{
// display 'loading, please wait' while retrieving data
$('body').append( $('<div>').attr('id', 'shield').text('Loading, please wait...') );
var errorstr = '',
data = $.extend(settings.settings,
{
'authorize':
{
'username': settings.credentials.username,
'password': (settings.credentials.authstring != "" ? MD5(MD5(settings.credentials.password) + settings.credentials.authstring) : "" )
}
});
delete data.log; // don't send the logs back to the server
delete data.statistics; // same goes for the stats
//IE breaks if the console isn't opened, so keep commented when committing
//console.log('[763] SEND', data);
$.ajax(
{
'url': settings.server,
'data':
{
"command": JSON.stringify(data)
},
'dataType': 'jsonp',
'timeout': 5000,
'error': function(jqXHR,textStatus,errorThrown)
{
showTab('disconnect');
$('#shield').remove(); // remove loading display
alert('O dear! An error occurred while attempting to communicatie with the MistServer.\n\n'+textStatus+'\n'+errorThrown);
},
'success': function(d)
{
$('#shield').remove(); // remove loading display
//IE breaks if the console isn't opened, so keep commented when committing
//console.log('[785] RECV', d);
if(d && d['authorize'] && d['authorize']['challenge'])
{
if (settings.credentials.authstring != d['authorize']['challenge'])
{
settings.credentials.authstring = d['authorize']['challenge'];
loadSettings(callback);
return;
}else{
errorstr = 'wrong credentials';
}
}else{
settings.settings = $.extend(true, {
"config":
{
"host": "",
"limits": [],
"name": "",
"protocols": [],
"status": "",
"version": ""
},
"streams": {},
"capabilities": {},
"log": {},
"statistics": {}
}, d)
if (settings.settings.LTS == 1) {
$('.LTSonly').show();
} else {
$('.LTSonly').hide();
}
}
if(callback)
{
callback(errorstr);
}
}
});
}
/**
* Sets the page's header text (loging in, connected, disconnected), title and pretty colors (!)
* @param state the state of the header. Possible are 'logingin', 'disconnected' or 'connected'.
*/
function setHeaderState(state)
{
var text, cname, title;
switch(state)
{
case 'logingin': text = 'connecting...'; cname = 'loggingin'; title = 'connecting to ' + settings.server; break;
case 'disconnected': text = 'disconnected'; cname = 'disconnected'; title = 'disconnected'; break;
case 'connected': text = 'connected'; cname = 'connected'; title = 'connected to ' + settings.server; break;
}
document.title = 'Mistserver Manager - ' + title;
$('#header-connection').attr('class', cname);
$('#header-connection').text(text);
$('#header-host').text(settings.server.replace('HTTP://', ''));
}
/**
* Formats the status property to a string (with colors!)
* @param status, the status property of a stream
*/
function formatStatus(status,text)
{
if(status == undefined)
{
return "<span>Unknown, checking...</span>";
}
if(text == undefined)
{
switch(status)
{
case -1: return "<span>Unknown, checking...</span>"; break;
case 0: return "<span class='red'>Unavailable</span>"; break;
case 1: return "<span class='green'>Active</span>"; break;
case 2: return "<span class='orange'>Inactive</span>"; break;
default: return "<span>"+status+"</span>"; break;
}
}
else
{
switch(status)
{
case -1: return "<span>Unknown, checking...</span>"; break;
case 0: return "<span class='red'>"+text+"</span>"; break;
case 1: return "<span class='green'>"+text+"</span>"; break;
case 2: return "<span class='orange'>"+text+"</span>"; break;
default: return "<span>"+text+"</span>"; break;
}
}
}
/**
* Build a HTML limit row
* @param l the limit data
* @return a (jQuery'd) HTML Element
*/
function BuildLimitRow(l)
{
l['type'] = l['type'] || 'soft';
l['name'] = l['name'] || 'kbps_max';
l['val'] = l['val'] || 0;
var i, j, lv, db,
output = $("<tr>").addClass("limits_row"),
selects = [$("<select class=\"limits_type\">"), $("<select class=\"limits_name\">")],
options =
[
[
['soft', 'Softlimit', 'Allow this limit to be passed. (Usefull for alerts)'],
['hard', 'Hardlimit','Do not allow this limit to be passed.']
],
[
['kbps_max', 'Current bandwidth', 'In bytes/s. Refuses new connections after current bandwidth limit is reached.'],
['users', 'Concurrent users','Maximum concurrent users.'],
['geo', 'Geolimited', 'Either a blacklist or whitelist containing country codes.'],
['host', 'Hostlimited', 'Either a blacklist or whitelist containing hosts seperated by spaces.']
],
['type', 'name']
];
/*
Limits that are currently not in use but may return later:
['kb_total', 'Total bandwidth','Total bandwidth in bytes.'],
['duration', 'Duration', 'Maximum duration a user may be connected in seconds.'],
['str_kbps_min', 'Minimum bitrate','Minimum bitrate in bytes/s.'],
['str_kbps_max', 'Maximum bitrate','Maximum bitrate in bytes/s.']
*/
for(i = 0; i < 2; i++)
{
for(j = 0; j < options[i].length; j++)
{
selects[i].append(
$('<option>').val(options[i][j][0]).text(options[i][j][1]).data('desc',options[i][j][2])
);
}
selects[i].val(l[options[2][i]]);
output.append($('<td>').html(selects[i]));
}
lv = $('<td>').addClass('limit_input_container');
BuildLimitRowInput(lv,l);
appliesto = $('<td>');
var appliesselect = $('<select>').attr('class', 'new-limit-appliesto').append( $('<option>').attr('value', 'server').text('Server') );
for(var strm in settings.settings.streams) {
appliesselect.append(
$('<option>').attr('value', strm).text(settings.settings.streams[strm].name)
);
}
if (l.appliesto) {
appliesselect.val(l.appliesto);
}
appliesto.append(appliesselect);
db = $('<td>').html(
$('<button>').addClass('limit_delete_button').text('Delete').click(function(){$(this).parent().parent().remove();})
);
output.append(lv).append(appliesto).append(db);
return output;
}
/**
* Build a HTML limit row input field
* @param target where the input field should be inserted
* @param l the limit data
*/
function BuildLimitRowInput(target,l) {
if (!l.val) { l.val=0; }
console.log(l);
switch (l.name) {
case 'geo':
var countrylist = [['AF','Afghanistan'],['AX','&Aring;land Islands'],['AL','Albania'],['DZ','Algeria'],['AS','American Samoa'],['AD','Andorra'],['AO','Angola'],['AI','Anguilla'],['AQ','Antarctica'],['AG','Antigua and Barbuda'],['AR','Argentina'],['AM','Armenia'],['AW','Aruba'],['AU','Australia'],['AT','Austria'],['AZ','Azerbaijan'],['BS','Bahamas'],['BH','Bahrain'],['BD','Bangladesh'],['BB','Barbados'],['BY','Belarus'],['BE','Belgium'],['BZ','Belize'],['BJ','Benin'],['BM','Bermuda'],['BT','Bhutan'],['BO','Bolivia, Plurinational State of'],['BQ','Bonaire, Sint Eustatius and Saba'],['BA','Bosnia and Herzegovina'],['BW','Botswana'],['BV','Bouvet Island'],['BR','Brazil'],['IO','British Indian Ocean Territory'],['BN','Brunei Darussalam'],['BG','Bulgaria'],['BF','Burkina Faso'],['BI','Burundi'],['KH','Cambodia'],['CM','Cameroon'],['CA','Canada'],['CV','Cape Verde'],['KY','Cayman Islands'],['CF','Central African Republic'],['TD','Chad'],['CL','Chile'],['CN','China'],['CX','Christmas Island'],['CC','Cocos (Keeling) Islands'],['CO','Colombia'],['KM','Comoros'],['CG','Congo'],['CD','Congo, the Democratic Republic of the'],['CK','Cook Islands'],['CR','Costa Rica'],['CI','C&ocirc;te d\'Ivoire'],['HR','Croatia'],['CU','Cuba'],['CW','Cura&ccedil;ao'],['CY','Cyprus'],['CZ','Czech Republic'],['DK','Denmark'],['DJ','Djibouti'],['DM','Dominica'],['DO','Dominican Republic'],['EC','Ecuador'],['EG','Egypt'],['SV','El Salvador'],['GQ','Equatorial Guinea'],['ER','Eritrea'],['EE','Estonia'],['ET','Ethiopia'],['FK','Falkland Islands (Malvinas)'],['FO','Faroe Islands'],['FJ','Fiji'],['FI','Finland'],['FR','France'],['GF','French Guiana'],['PF','French Polynesia'],['TF','French Southern Territories'],['GA','Gabon'],['GM','Gambia'],['GE','Georgia'],['DE','Germany'],['GH','Ghana'],['GI','Gibraltar'],['GR','Greece'],['GL','Greenland'],['GD','Grenada'],['GP','Guadeloupe'],['GU','Guam'],['GT','Guatemala'],['GG','Guernsey'],['GN','Guinea'],['GW','Guinea-Bissau'],['GY','Guyana'],['HT','Haiti'],['HM','Heard Island and McDonald Islands'],['VA','Holy See (Vatican City State)'],['HN','Honduras'],['HK','Hong Kong'],['HU','Hungary'],['IS','Iceland'],['IN','India'],['ID','Indonesia'],['IR','Iran, Islamic Republic of'],['IQ','Iraq'],['IE','Ireland'],['IM','Isle of Man'],['IL','Israel'],['IT','Italy'],['JM','Jamaica'],['JP','Japan'],['JE','Jersey'],['JO','Jordan'],['KZ','Kazakhstan'],['KE','Kenya'],['KI','Kiribati'],['KP','Korea, Democratic People\'s Republic of'],['KR','Korea, Republic of'],['KW','Kuwait'],['KG','Kyrgyzstan'],['LA','Lao People\'s Democratic Republic'],['LV','Latvia'],['LB','Lebanon'],['LS','Lesotho'],['LR','Liberia'],['LY','Libya'],['LI','Liechtenstein'],['LT','Lithuania'],['LU','Luxembourg'],['MO','Macao'],['MK','Macedonia, the former Yugoslav Republic of'],['MG','Madagascar'],['MW','Malawi'],['MY','Malaysia'],['MV','Maldives'],['ML','Mali'],['MT','Malta'],['MH','Marshall Islands'],['MQ','Martinique'],['MR','Mauritania'],['MU','Mauritius'],['YT','Mayotte'],['MX','Mexico'],['FM','Micronesia, Federated States of'],['MD','Moldova, Republic of'],['MC','Monaco'],['MN','Mongolia'],['ME','Montenegro'],['MS','Montserrat'],['MA','Morocco'],['MZ','Mozambique'],['MM','Myanmar'],['NA','Namibia'],['NR','Nauru'],['NP','Nepal'],['NL','Netherlands'],['NC','New Caledonia'],['NZ','New Zealand'],['NI','Nicaragua'],['NE','Niger'],['NG','Nigeria'],['NU','Niue'],['NF','Norfolk Island'],['MP','Northern Mariana Islands'],['NO','Norway'],['OM','Oman'],['PK','Pakistan'],['PW','Palau'],['PS','Palestine, State of'],['PA','Panama'],['PG','Papua New Guinea'],['PY','Paraguay'],['PE','Peru'],['PH','Philippines'],['PN','Pitcairn'],['PL','Poland'],['PT','Portugal'],['PR','Puerto Rico'],['QA','Qatar'],['RE','R&eacute;union'],['RO','Romania'],['RU','Russian Federation'],['RW','Rwanda'],['BL','Saint Barth&eacute;lemy'],['SH','Saint Helena, Ascension and Tristan da Cunha'],['KN','Saint Kitts and Nevis'],['LC','Saint Lucia'],['MF','Saint Martin (French part)'],['PM','Saint Pierre and Miquelon'],['VC','Saint Vincent and the Grenadines'],['WS','Samoa'],['SM','San Marino'],['ST','Sao Tome and Principe'],['SA','Saudi Arabia'],['SN','Senegal'],['RS','Serbia'],['SC','Seychelles'],['SL','Sierra Leone'],['SG','Singapore'],['SX','Sint Maarten (Dutch part)'],['SK','Slovakia'],['SI','Slovenia'],['SB','Solomon Islands'],['SO','Somalia'],['ZA','South Africa'],['GS','South Georgia and the South Sandwich Islands'],['SS','South Sudan'],['ES','Spain'],['LK','Sri Lanka'],['SD','Sudan'],['SR','Suriname'],['SJ','Svalbard and Jan Mayen'],['SZ','Swaziland'],['SE','Sweden'],['CH','Switzerland'],['SY','Syrian Arab Republic'],['TW','Taiwan, Province of China'],['TJ','Tajikistan'],['TZ','Tanzania, United Republic of'],['TH','Thailand'],['TL','Timor-Leste'],['TG','Togo'],['TK','Tokelau'],['TO','Tonga'],['TT','Trinidad and Tobago'],['TN','Tunisia'],['TR','Turkey'],['TM','Turkmenistan'],['TC','Turks and Caicos Islands'],['TV','Tuvalu'],['UG','Uganda'],['UA','Ukraine'],['AE','United Arab Emirates'],['GB','United Kingdom'],['US','United States'],['UM','United States Minor Outlying Islands'],['UY','Uruguay'],['UZ','Uzbekistan'],['VU','Vanuatu'],['VE','Venezuela, Bolivarian Republic of'],['VN','Viet Nam'],['VG','Virgin Islands, British'],['VI','Virgin Islands, U.S.'],['WF','Wallis and Futuna'],['EH','Western Sahara'],['YE','Yemen'],['ZM','Zambia'],['ZW','Zimbabwe']];
var entrylist = l.val.toString();
//build the template country selectbox
var geoselect = $('<select>').addClass('limit_listentry');
geoselect.append(
$('<option>').val('').text('[Select a country]')
);
for (i in countrylist) {
geoselect.append(
$('<option>').val(countrylist[i][0]).html(countrylist[i][1])
);
}
//build the blacklist or whitelist selectbox
var selectbox = $('<select>').addClass('limit_listtype');
selectbox.append($('<option>').val('-').text('Blacklist'));
selectbox.append($('<option>').val('+').text('Whitelist'));
if (entrylist.charAt(0) == '+') {
selectbox.val('+');
}
else {
selectbox.val('-');
}
var inputfields = $('<table>').addClass('limit_inputfields').append(
$('<tbody>').append(
$('<tr>').append(
$('<td>').append(
selectbox
)
)
)
);
entrylist = entrylist.substring(1).split(' ');
var firstfieldused = false;
//insert selectboxes with currently set geolimits
for (i in entrylist) {
if (entrylist[i] == "") { continue; }
//make a new country selectbox based on the template
var newgeoselect = geoselect.clone();
newgeoselect.val(entrylist[i]);
if (firstfieldused) {
inputfields.children('tbody').append(
$('<tr>').append(
$('<td>')
).append(
$('<td>').html(newgeoselect)
)
);
}
else {
inputfields.children('tbody').children('tr').append(
$('<td>').html(newgeoselect)
);
firstfieldused = true;
}
}
if (!firstfieldused) {
inputfields.children('tbody').children('tr').append(
$('<td>').html(geoselect.clone())
);
}
//add a button to insert country selectboxes
var addbutton = $('<button>').text('Add country selectbox').click(function(){
$(this).parent('td').parent('tr').before(
$('<tr>').append(
$('<td>')
).append(
$('<td>').html(geoselect.clone())
)
)
});
inputfields.children('tbody').append(
$('<tr>').append(
$('<td>')
).append(
$('<td>').html(addbutton)
)
);
target.html(inputfields);
break;
case 'host':
case 'time':
var entrylist = l.val.toString();
//build the blacklist or whitelist selectbox
var selectbox = $('<select>').addClass('limit_listtype');
selectbox.append($('<option>').val('-').text('Blacklist'));
selectbox.append($('<option>').val('+').text('Whitelist'));
if (entrylist.charAt(0) == '+') {
selectbox.val('+');
}
else {
selectbox.val('-');
}
target.html(
$('<span>').addClass('limit_inputfields').append(
selectbox
)
);
entrylist = entrylist.substring(1);
//add inputfield
target.children('.limit_inputfields').append(
$('<input>').attr('type','text').addClass('limit_listentry').val(entrylist)
);
break;
default:
target.html($("<input type=\"text\" class=\"limits_val\">").val(l["val"]));
break;
}
}
/**
* At the logs page, refreshes data for the logs
*/
function getLogsdata(){
getData(function(data){
settings.settings.log = data.log;
$('#page table').remove();
$('#page').append(buildLogsTable());
});
}
/**
* At the logs page, builds a table to display the logs
*/
function buildLogsTable(){
$table = $('<table>');
$table.html("<thead><th>Date<span class='theadinfo'>(MM/DD/YYYY)</span></th><th>Type</th><th>Message</th></thead>");
$tbody = $('<tbody>');
if(!settings.settings.log)
{
return; // no logs, so just bail
}
var i, cur, $tr,
logs = settings.settings.log,
len = logs.length;
if(len >= 2 && settings.settings.log[0][0] < settings.settings.log[len - 1][0])
{
logs.reverse();
}
$tbody.html('');
for(i = 0; i < len; i++)
{
cur = settings.settings.log[i];
$tr = $('<tr>').append(
$('<td>').text(formatDate(cur[0]))
).append(
$('<td>').text(cur[1])
).append(
$('<td>').text(cur[2])
);
$tbody.append($tr);
}
$table.append($tbody);
return $table;
}
/**
* Tooltip creator - creates a tooltip near the cursor
@params: - position: the object returned by the hover or click event
- appendto: the jquery element to which the tooltip should be appended
- contents: the content of the tooltip
*/
function showTooltip(position,appendto,contents,debug) {
if (position == null) { position = { pageX: 0, pageY:0 } }
if (appendto == null) { appendto = $('body'); }
if (contents == null) { contents = 'Empty'; }
var css = {};
if (position.pageX > window.innerWidth / 2) {
css.right = window.innerWidth - position.pageX + 10;
}
else {
css.left = position.pageX - appendto.offset().left + 10;
}
if (position.pageY > window.innerHeight / 2) {
css.bottom = window.innerHeight - position.pageY + 10;
}
else {
css.top = position.pageY - appendto.offset().top + 10;
}
$("<div>").attr('id','tooltip').html(
contents
).css(css).appendTo(appendto).fadeIn("fast");
if (debug) { console.log('Tooltip.. position:',position,'appendto:',appendto,'contents:',contents,'css:',css); }
}
function removeTooltip() {
$('#tooltip').remove();
}