Utils.js

   1 Ext.ns('Proxmox');
   2 Ext.ns('Proxmox.Setup');
   3
   4 if (!Ext.isFunction(gettext)) {
   5     function gettext(buf) { return buf; }
   6 }
   7
   8 if (!Ext.isDefined(Proxmox.Setup.auth_cookie_name)) {
   9     throw "Proxmox library not initialized";
  10 }
  11
  12 // avoid errors related to Accessible Rich Internet Applications
  13 // (access for people with disabilities)
  14 // TODO reenable after all components are upgraded
  15 Ext.enableAria = false;
  16 Ext.enableAriaButtons = false;
  17 Ext.enableAriaPanels = false;
  18
  19 // avoid errors when running without development tools
  20 if (!Ext.isDefined(Ext.global.console)) {
  21     var console = {
  22         dir: function() {},
  23         log: function() {}
  24     };
  25 }
  26
  27 Ext.Ajax.defaultHeaders = {
  28     'Accept': 'application/json'
  29 };
  30
  31 Ext.Ajax.on('beforerequest', function(conn, options) {
  32     if (Proxmox.CSRFPreventionToken) {
  33         if (!options.headers) {
  34             options.headers = {};
  35         }
  36         options.headers.CSRFPreventionToken = Proxmox.CSRFPreventionToken;
  37     }
  38 });
  39
  40 Ext.define('Proxmox.Utils', { utilities: {
  41
  42     // this singleton contains miscellaneous utilities
  43
  44     yesText: gettext('Yes'),
  45     noText: gettext('No'),
  46     enabledText: gettext('Enabled'),
  47     disabledText: gettext('Disabled'),
  48     noneText: gettext('none'),
  49     errorText: gettext('Error'),
  50     unknownText: gettext('Unknown'),
  51     defaultText: gettext('Default'),
  52     daysText: gettext('days'),
  53     dayText: gettext('day'),
  54     runningText: gettext('running'),
  55     stoppedText: gettext('stopped'),
  56     neverText: gettext('never'),
  57     totalText: gettext('Total'),
  58     usedText: gettext('Used'),
  59     directoryText: gettext('Directory'),
  60     stateText: gettext('State'),
  61     groupText: gettext('Group'),
  62
  63     language_map: {
  64         zh_CN: 'Chinese',
  65         ca: 'Catalan',
  66         da: 'Danish',
  67         en: 'English',
  68         eu: 'Euskera (Basque)',
  69         fr: 'French',
  70         de: 'German',
  71         it: 'Italian',
  72         es: 'Spanish',
  73         ja: 'Japanese',
  74         nb: 'Norwegian (Bokmal)',
  75         nn: 'Norwegian (Nynorsk)',
  76         fa: 'Persian (Farsi)',
  77         pl: 'Polish',
  78         pt_BR: 'Portuguese (Brazil)',
  79         ru: 'Russian',
  80         sl: 'Slovenian',
  81         sv: 'Swedish',
  82         tr: 'Turkish'
  83     },
  84
  85     render_language: function (value) {
  86         if (!value) {
  87             return Proxmox.Utils.defaultText + ' (English)';
  88         }
  89         var text = Proxmox.Utils.language_map[value];
  90         if (text) {
  91             return text + ' (' + value + ')';
  92         }
  93         return value;
  94     },
  95
  96     language_array: function() {
  97         var data = [['__default__', Proxmox.Utils.render_language('')]];
  98         Ext.Object.each(Proxmox.Utils.language_map, function(key, value) {
  99             data.push([key, Proxmox.Utils.render_language(value)]);
 100         });
 101
 102         return data;
 103     },
 104
 105     getNoSubKeyHtml: function(url) {
 106         // url http://www.proxmox.com/products/proxmox-ve/subscription-service-plans
 107         return Ext.String.format('You do not have a valid subscription for this server. Please visit <a target="_blank" href="{0}">www.proxmox.com</a> to get a list of available options.', url || 'http://www.proxmox.com');
 108     },
 109
 110     format_boolean_with_default: function(value) {
 111         if (Ext.isDefined(value) && value !== '__default__') {
 112             return value ? Proxmox.Utils.yesText : Proxmox.Utils.noText;
 113         }
 114         return Proxmox.Utils.defaultText;
 115     },
 116
 117     format_boolean: function(value) {
 118         return value ? Proxmox.Utils.yesText : Proxmox.Utils.noText;
 119     },
 120
 121     format_neg_boolean: function(value) {
 122         return !value ? Proxmox.Utils.yesText : Proxmox.Utils.noText;
 123     },
 124
 125     format_enabled_toggle: function(value) {
 126         return value ? Proxmox.Utils.enabledText : Proxmox.Utils.disabledText;
 127     },
 128
 129     format_expire: function(date) {
 130         if (!date) {
 131             return Proxmox.Utils.neverText;
 132         }
 133         return Ext.Date.format(date, "Y-m-d");
 134     },
 135
 136     format_duration_long: function(ut) {
 137
 138         var days = Math.floor(ut / 86400);
 139         ut -= days*86400;
 140         var hours = Math.floor(ut / 3600);
 141         ut -= hours*3600;
 142         var mins = Math.floor(ut / 60);
 143         ut -= mins*60;
 144
 145         var hours_str = '00' + hours.toString();
 146         hours_str = hours_str.substr(hours_str.length - 2);
 147         var mins_str = "00" + mins.toString();
 148         mins_str = mins_str.substr(mins_str.length - 2);
 149         var ut_str = "00" + ut.toString();
 150         ut_str = ut_str.substr(ut_str.length - 2);
 151
 152         if (days) {
 153             var ds = days > 1 ? Proxmox.Utils.daysText : Proxmox.Utils.dayText;
 154             return days.toString() + ' ' + ds + ' ' +
 155                 hours_str + ':' + mins_str + ':' + ut_str;
 156         } else {
 157             return hours_str + ':' + mins_str + ':' + ut_str;
 158         }
 159     },
 160
 161     format_subscription_level: function(level) {
 162         if (level === 'c') {
 163             return 'Community';
 164         } else if (level === 'b') {
 165             return 'Basic';
 166         } else if (level === 's') {
 167             return 'Standard';
 168         } else if (level === 'p') {
 169             return 'Premium';
 170         } else {
 171             return Proxmox.Utils.noneText;
 172         }
 173     },
 174
 175     compute_min_label_width: function(text, width) {
 176
 177         if (width === undefined) { width = 100; }
 178
 179         var tm = new Ext.util.TextMetrics();
 180         var min = tm.getWidth(text + ':');
 181
 182         return min < width ? width : min;
 183     },
 184
 185     authOK: function() {
 186         return (Proxmox.UserName !== '') && Ext.util.Cookies.get(Proxmox.Setup.auth_cookie_name);
 187     },
 188
 189     authClear: function() {
 190         Ext.util.Cookies.clear(Proxmox.Setup.auth_cookie_name);
 191     },
 192
 193     // comp.setLoading() is buggy in ExtJS 4.0.7, so we
 194     // use el.mask() instead
 195     setErrorMask: function(comp, msg) {
 196         var el = comp.el;
 197         if (!el) {
 198             return;
 199         }
 200         if (!msg) {
 201             el.unmask();
 202         } else {
 203             if (msg === true) {
 204                 el.mask(gettext("Loading..."));
 205             } else {
 206                 el.mask(msg);
 207             }
 208         }
 209     },
 210
 211     monStoreErrors: function(me, store, clearMaskBeforeLoad) {
 212         if (clearMaskBeforeLoad) {
 213             me.mon(store, 'beforeload', function(s, operation, eOpts) {
 214                 Proxmox.Utils.setErrorMask(me, false);
 215             });
 216         } else {
 217             me.mon(store, 'beforeload', function(s, operation, eOpts) {
 218                 if (!me.loadCount) {
 219                     me.loadCount = 0; // make sure it is numeric
 220                     Proxmox.Utils.setErrorMask(me, true);
 221                 }
 222             });
 223         }
 224
 225         // only works with 'proxmox' proxy
 226         me.mon(store.proxy, 'afterload', function(proxy, request, success) {
 227             me.loadCount++;
 228
 229             if (success) {
 230                 Proxmox.Utils.setErrorMask(me, false);
 231                 return;
 232             }
 233
 234             var msg;
 235             /*jslint nomen: true */
 236             var operation = request._operation;
 237             var error = operation.getError();
 238             if (error.statusText) {
 239                 msg = error.statusText + ' (' + error.status + ')';
 240             } else {
 241                 msg = gettext('Connection error');
 242             }
 243             Proxmox.Utils.setErrorMask(me, msg);
 244         });
 245     },
 246
 247     extractRequestError: function(result, verbose) {
 248         var msg = gettext('Successful');
 249
 250         if (!result.success) {
 251             msg = gettext("Unknown error");
 252             if (result.message) {
 253                 msg = result.message;
 254                 if (result.status) {
 255                     msg += ' (' + result.status + ')';
 256                 }
 257             }
 258             if (verbose && Ext.isObject(result.errors)) {
 259                 msg += "<br>";
 260                 Ext.Object.each(result.errors, function(prop, desc) {
 261                     msg += "<br><b>" + Ext.htmlEncode(prop) + "</b>: " +
 262                         Ext.htmlEncode(desc);
 263                 });
 264             }
 265         }
 266
 267         return msg;
 268     },
 269
 270     // Ext.Ajax.request
 271     API2Request: function(reqOpts) {
 272
 273         var newopts = Ext.apply({
 274             waitMsg: gettext('Please wait...')
 275         }, reqOpts);
 276
 277         if (!newopts.url.match(/^\/api2/)) {
 278             newopts.url = '/api2/extjs' + newopts.url;
 279         }
 280         delete newopts.callback;
 281
 282         var createWrapper = function(successFn, callbackFn, failureFn) {
 283             Ext.apply(newopts, {
 284                 success: function(response, options) {
 285                     if (options.waitMsgTarget) {
 286                         if (Proxmox.Utils.toolkit === 'touch') {
 287                             options.waitMsgTarget.setMasked(false);
 288                         } else {
 289                             options.waitMsgTarget.setLoading(false);
 290                         }
 291                     }
 292                     var result = Ext.decode(response.responseText);
 293                     response.result = result;
 294                     if (!result.success) {
 295                         response.htmlStatus = Proxmox.Utils.extractRequestError(result, true);
 296                         Ext.callback(callbackFn, options.scope, [options, false, response]);
 297                         Ext.callback(failureFn, options.scope, [response, options]);
 298                         return;
 299                     }
 300                     Ext.callback(callbackFn, options.scope, [options, true, response]);
 301                     Ext.callback(successFn, options.scope, [response, options]);
 302                 },
 303                 failure: function(response, options) {
 304                     if (options.waitMsgTarget) {
 305                         if (Proxmox.Utils.toolkit === 'touch') {
 306                             options.waitMsgTarget.setMasked(false);
 307                         } else {
 308                             options.waitMsgTarget.setLoading(false);
 309                         }
 310                     }
 311                     response.result = {};
 312                     try {
 313                         response.result = Ext.decode(response.responseText);
 314                     } catch(e) {}
 315                     var msg = gettext('Connection error') + ' - server offline?';
 316                     if (response.aborted) {
 317                         msg = gettext('Connection error') + ' - aborted.';
 318                     } else if (response.timedout) {
 319                         msg = gettext('Connection error') + ' - Timeout.';
 320                     } else if (response.status && response.statusText) {
 321                         msg = gettext('Connection error') + ' ' + response.status + ': ' + response.statusText;
 322                     }
 323                     response.htmlStatus = msg;
 324                     Ext.callback(callbackFn, options.scope, [options, false, response]);
 325                     Ext.callback(failureFn, options.scope, [response, options]);
 326                 }
 327             });
 328         };
 329
 330         createWrapper(reqOpts.success, reqOpts.callback, reqOpts.failure);
 331
 332         var target = newopts.waitMsgTarget;
 333         if (target) {
 334             if (Proxmox.Utils.toolkit === 'touch') {
 335                 target.setMasked({ xtype: 'loadmask', message: newopts.waitMsg} );
 336             } else {
 337                 // Note: ExtJS bug - this does not work when component is not rendered
 338                 target.setLoading(newopts.waitMsg);
 339             }
 340         }
 341         Ext.Ajax.request(newopts);
 342     },
 343
 344     checked_command: function(orig_cmd) {
 345         Proxmox.Utils.API2Request({
 346             url: '/nodes/localhost/subscription',
 347             method: 'GET',
 348             //waitMsgTarget: me,
 349             failure: function(response, opts) {
 350                 Ext.Msg.alert(gettext('Error'), response.htmlStatus);
 351             },
 352             success: function(response, opts) {
 353                 var data = response.result.data;
 354
 355                 if (data.status !== 'Active') {
 356                     Ext.Msg.show({
 357                         title: gettext('No valid subscription'),
 358                         icon: Ext.Msg.WARNING,
 359                         msg: Proxmox.Utils.getNoSubKeyHtml(data.url),
 360                         buttons: Ext.Msg.OK,
 361                         callback: function(btn) {
 362                             if (btn !== 'ok') {
 363                                 return;
 364                             }
 365                             orig_cmd();
 366                         }
 367                     });
 368                 } else {
 369                     orig_cmd();
 370                 }
 371             }
 372         });
 373     },
 374
 375     assemble_field_data: function(values, data) {
 376         if (Ext.isObject(data)) {
 377             Ext.Object.each(data, function(name, val) {
 378                 if (values.hasOwnProperty(name)) {
 379                     var bucket = values[name];
 380                     if (!Ext.isArray(bucket)) {
 381                         bucket = values[name] = [bucket];
 382                     }
 383                     if (Ext.isArray(val)) {
 384                         values[name] = bucket.concat(val);
 385                     } else {
 386                         bucket.push(val);
 387                     }
 388                 } else {
 389                     values[name] = val;
 390                 }
 391             });
 392         }
 393     },
 394
 395     dialog_title: function(subject, create, isAdd) {
 396         if (create) {
 397             if (isAdd) {
 398                 return gettext('Add') + ': ' + subject;
 399             } else {
 400                 return gettext('Create') + ': ' + subject;
 401             }
 402         } else {
 403             return gettext('Edit') + ': ' + subject;
 404         }
 405     },
 406
 407     network_iface_types: {
 408         eth: gettext("Network Device"),
 409         bridge: 'Linux Bridge',
 410         bond: 'Linux Bond',
 411         OVSBridge: 'OVS Bridge',
 412         OVSBond: 'OVS Bond',
 413         OVSPort: 'OVS Port',
 414         OVSIntPort: 'OVS IntPort'
 415     },
 416
 417     render_network_iface_type: function(value) {
 418         return Proxmox.Utils.network_iface_types[value] ||
 419             Proxmox.Utils.unknownText;
 420     },
 421
 422     task_desc_table: {
 423         diskinit: [ 'Disk', gettext('Initialize Disk with GPT') ],
 424         vncproxy: [ 'VM/CT', gettext('Console') ],
 425         spiceproxy: [ 'VM/CT', gettext('Console') + ' (Spice)' ],
 426         vncshell: [ '', gettext('Shell') ],
 427         spiceshell: [ '', gettext('Shell')  + ' (Spice)' ],
 428         qmsnapshot: [ 'VM', gettext('Snapshot') ],
 429         qmrollback: [ 'VM', gettext('Rollback') ],
 430         qmdelsnapshot: [ 'VM', gettext('Delete Snapshot') ],
 431         qmcreate: [ 'VM', gettext('Create') ],
 432         qmrestore: [ 'VM', gettext('Restore') ],
 433         qmdestroy: [ 'VM', gettext('Destroy') ],
 434         qmigrate: [ 'VM', gettext('Migrate') ],
 435         qmclone: [ 'VM', gettext('Clone') ],
 436         qmmove: [ 'VM', gettext('Move disk') ],
 437         qmtemplate: [ 'VM', gettext('Convert to template') ],
 438         qmstart: [ 'VM', gettext('Start') ],
 439         qmstop: [ 'VM', gettext('Stop') ],
 440         qmreset: [ 'VM', gettext('Reset') ],
 441         qmshutdown: [ 'VM', gettext('Shutdown') ],
 442         qmsuspend: [ 'VM', gettext('Suspend') ],
 443         qmresume: [ 'VM', gettext('Resume') ],
 444         qmconfig: [ 'VM', gettext('Configure') ],
 445         vzsnapshot: [ 'CT', gettext('Snapshot') ],
 446         vzrollback: [ 'CT', gettext('Rollback') ],
 447         vzdelsnapshot: [ 'CT', gettext('Delete Snapshot') ],
 448         vzcreate: ['CT', gettext('Create') ],
 449         vzrestore: ['CT', gettext('Restore') ],
 450         vzdestroy: ['CT', gettext('Destroy') ],
 451         vzmigrate: [ 'CT', gettext('Migrate') ],
 452         vzclone: [ 'CT', gettext('Clone') ],
 453         vztemplate: [ 'CT', gettext('Convert to template') ],
 454         vzstart: ['CT', gettext('Start') ],
 455         vzstop: ['CT', gettext('Stop') ],
 456         vzmount: ['CT', gettext('Mount') ],
 457         vzumount: ['CT', gettext('Unmount') ],
 458         vzshutdown: ['CT', gettext('Shutdown') ],
 459         vzsuspend: [ 'CT', gettext('Suspend') ],
 460         vzresume: [ 'CT', gettext('Resume') ],
 461         hamigrate: [ 'HA', gettext('Migrate') ],
 462         hastart: [ 'HA', gettext('Start') ],
 463         hastop: [ 'HA', gettext('Stop') ],
 464         srvstart: ['SRV', gettext('Start') ],
 465         srvstop: ['SRV', gettext('Stop') ],
 466         srvrestart: ['SRV', gettext('Restart') ],
 467         srvreload: ['SRV', gettext('Reload') ],
 468         cephcreatemon: ['Ceph Monitor', gettext('Create') ],
 469         cephdestroymon: ['Ceph Monitor', gettext('Destroy') ],
 470         cephcreateosd: ['Ceph OSD', gettext('Create') ],
 471         cephdestroyosd: ['Ceph OSD', gettext('Destroy') ],
 472         cephcreatepool: ['Ceph Pool', gettext('Create') ],
 473         cephdestroypool: ['Ceph Pool', gettext('Destroy') ],
 474         imgcopy: ['', gettext('Copy data') ],
 475         imgdel: ['', gettext('Erase data') ],
 476         download: ['', gettext('Download') ],
 477         vzdump: ['', gettext('Backup') ],
 478         aptupdate: ['', gettext('Update package database') ],
 479         startall: [ '', gettext('Start all VMs and Containers') ],
 480         stopall: [ '', gettext('Stop all VMs and Containers') ],
 481         migrateall: [ '', gettext('Migrate all VMs and Containers') ]
 482     },
 483
 484     format_task_description: function(type, id) {
 485         var farray = Proxmox.Utils.task_desc_table[type];
 486         if (!farray) {
 487             var text = type;
 488             if (id) {
 489                 type += ' ' + id;
 490             }
 491             return text;
 492         }
 493         var prefix = farray[0];
 494         var text = farray[1];
 495         if (prefix) {
 496             return prefix + ' ' + id + ' - ' + text;
 497         }
 498         return text;
 499     },
 500
 501     format_size: function(size) {
 502         /*jslint confusion: true */
 503
 504         var units = ['', 'Ki', 'Mi', 'Gi', 'Ti', 'Pi', 'Ei', 'Zi', 'Yi'];
 505         var num = 0;
 506
 507         while (size >= 1024 && ((num++)+1) < units.length) {
 508             size = size / 1024;
 509         }
 510
 511         return size.toFixed((num > 0)?2:0) + " " + units[num] + "B";
 512     },
 513
 514     render_upid: function(value, metaData, record) {
 515         var type = record.data.type;
 516         var id = record.data.id;
 517
 518         return Proxmox.Utils.format_task_description(type, id);
 519     },
 520
 521     render_uptime: function(value) {
 522
 523         var uptime = value;
 524
 525         if (uptime === undefined) {
 526             return '';
 527         }
 528
 529         if (uptime <= 0) {
 530             return '-';
 531         }
 532
 533         return Proxmox.Utils.format_duration_long(uptime);
 534     },
 535
 536     parse_task_upid: function(upid) {
 537         var task = {};
 538
 539         var res = upid.match(/^UPID:(\S+):([0-9A-Fa-f]{8}):([0-9A-Fa-f]{8,9}):([0-9A-Fa-f]{8}):([^:\s]+):([^:\s]*):([^:\s]+):$/);
 540         if (!res) {
 541             throw "unable to parse upid '" + upid + "'";
 542         }
 543         task.node = res[1];
 544         task.pid = parseInt(res[2], 16);
 545         task.pstart = parseInt(res[3], 16);
 546         task.starttime = parseInt(res[4], 16);
 547         task.type = res[5];
 548         task.id = res[6];
 549         task.user = res[7];
 550
 551         task.desc = Proxmox.Utils.format_task_description(task.type, task.id);
 552
 553         return task;
 554     },
 555
 556     render_timestamp: function(value, metaData, record, rowIndex, colIndex, store) {
 557         var servertime = new Date(value * 1000);
 558         return Ext.Date.format(servertime, 'Y-m-d H:i:s');
 559     },
 560
 561     openXtermJsViewer: function(vmtype, vmid, nodename, vmname) {
 562         var url = Ext.urlEncode({
 563             console: vmtype, // kvm, lxc, upgrade or shell
 564             xtermjs: 1,
 565             vmid: vmid,
 566             vmname: vmname,
 567             node: nodename
 568         });
 569         var nw = window.open("?" + url, '_blank', 'toolbar=no,location=no,status=no,menubar=no,resizable=yes,width=800,height=420');
 570         nw.focus();
 571     }
 572
 573 },
 574
 575     singleton: true,
 576     constructor: function() {
 577         var me = this;
 578         Ext.apply(me, me.utilities);
 579
 580         var IPV4_OCTET = "(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])";
 581         var IPV4_REGEXP = "(?:(?:" + IPV4_OCTET + "\\.){3}" + IPV4_OCTET + ")";
 582         var IPV6_H16 = "(?:[0-9a-fA-F]{1,4})";
 583         var IPV6_LS32 = "(?:(?:" + IPV6_H16 + ":" + IPV6_H16 + ")|" + IPV4_REGEXP + ")";
 584
 585
 586         me.IP4_match = new RegExp("^(?:" + IPV4_REGEXP + ")$");
 587         me.IP4_cidr_match = new RegExp("^(?:" + IPV4_REGEXP + ")\/([0-9]{1,2})$");
 588
 589         var IPV6_REGEXP = "(?:" +
 590             "(?:(?:"                                                  + "(?:" + IPV6_H16 + ":){6})" + IPV6_LS32 + ")|" +
 591             "(?:(?:"                                         +   "::" + "(?:" + IPV6_H16 + ":){5})" + IPV6_LS32 + ")|" +
 592             "(?:(?:(?:"                           + IPV6_H16 + ")?::" + "(?:" + IPV6_H16 + ":){4})" + IPV6_LS32 + ")|" +
 593             "(?:(?:(?:(?:" + IPV6_H16 + ":){0,1}" + IPV6_H16 + ")?::" + "(?:" + IPV6_H16 + ":){3})" + IPV6_LS32 + ")|" +
 594             "(?:(?:(?:(?:" + IPV6_H16 + ":){0,2}" + IPV6_H16 + ")?::" + "(?:" + IPV6_H16 + ":){2})" + IPV6_LS32 + ")|" +
 595             "(?:(?:(?:(?:" + IPV6_H16 + ":){0,3}" + IPV6_H16 + ")?::" + "(?:" + IPV6_H16 + ":){1})" + IPV6_LS32 + ")|" +
 596             "(?:(?:(?:(?:" + IPV6_H16 + ":){0,4}" + IPV6_H16 + ")?::" +                         ")" + IPV6_LS32 + ")|" +
 597             "(?:(?:(?:(?:" + IPV6_H16 + ":){0,5}" + IPV6_H16 + ")?::" +                         ")" + IPV6_H16  + ")|" +
 598             "(?:(?:(?:(?:" + IPV6_H16 + ":){0,7}" + IPV6_H16 + ")?::" +                         ")"             + ")"  +
 599             ")";
 600
 601         me.IP6_match = new RegExp("^(?:" + IPV6_REGEXP + ")$");
 602         me.IP6_cidr_match = new RegExp("^(?:" + IPV6_REGEXP + ")\/([0-9]{1,3})$");
 603         me.IP6_bracket_match = new RegExp("^\\[(" + IPV6_REGEXP + ")\\]");
 604
 605         me.IP64_match = new RegExp("^(?:" + IPV6_REGEXP + "|" + IPV4_REGEXP + ")$");
 606
 607         var DnsName_REGEXP = "(?:(([a-zA-Z0-9]([a-zA-Z0-9\\-]*[a-zA-Z0-9])?)\\.)*([A-Za-z0-9]([A-Za-z0-9\\-]*[A-Za-z0-9])?))";
 608         me.DnsName_match = new RegExp("^" + DnsName_REGEXP + "$");
 609
 610         me.HostPort_match = new RegExp("^(" + IPV4_REGEXP + "|" + DnsName_REGEXP + ")(:\\d+)?$");
 611         me.HostPortBrackets_match = new RegExp("^\\[(?:" + IPV6_REGEXP + "|" + IPV4_REGEXP + "|" + DnsName_REGEXP + ")\\](:\\d+)?$");
 612         me.IP6_dotnotation_match = new RegExp("^" + IPV6_REGEXP + "(\\.\\d+)?$");
 613     }
 614 });