Open-ILS/xul/staff_client/chrome/content/util/network.js

   1 dump('entering util/network.js\n');
   2 // vim:noet:sw=4:ts=4:
   3
   4 var offlineStrings;
   5
   6 if (typeof util == 'undefined') util = {};
   7 util.network = function () {
   8
   9     try {
  10
  11         JSAN.use('util.error'); this.error = new util.error();
  12         JSAN.use('util.sound'); this.sound = new util.sound();
  13
  14         offlineStrings = document.getElementById('offlineStrings');
  15
  16     } catch(E) {
  17         alert('error in util.network constructor: ' + E);
  18         throw(E);
  19     }
  20
  21     return this;
  22 };
  23
  24 util.network.prototype = {
  25
  26     'link_id' : 0,
  27
  28     'network_timeout' : 55, /* seconds */
  29
  30     'NETWORK_FAILURE' : null,
  31
  32     'simple_request' : function(method_id,params,f,override_params) {
  33         //var obj = this;
  34         //var sparams = js2JSON(params);
  35         //obj.error.sdump('D_SES','simple_request '+ method_id +' '+obj.error.pretty_print(sparams.slice(1,sparams.length-1))+
  36         //    '\noverride_params = ' + override_params + '\n');
  37         if (typeof api[method_id] == 'undefined') {
  38             throw( offlineStrings.getFormattedString('network.method_not_found.error', [method_id]) );
  39         }
  40         var secure = true; if (typeof api[method_id].secure != 'undefined') secure = api[method_id].secure;
  41         return this.request(api[method_id].app,api[method_id].method,params,f,override_params,{ 'secure' : secure, 'method_id' : method_id });
  42     },
  43
  44     'get_result' : function (req) {
  45         var obj = this;
  46         var result;
  47         var fake_ilsevent_for_network_errors = { 'ilsevent' : -1, 'textcode' : offlineStrings.getString('network.server_or_method.error') };
  48         try {
  49             if (req.cancelled) {
  50                 result = fake_ilsevent_for_network_errors;
  51             } else {
  52                 result = req.getResultObject();
  53                 if(result && req._reported_events) {
  54                     if(typeof result.ilsevent != 'undefined') {
  55                         result._reported_events = req._reported_events;
  56                     } else {
  57                         result[0]._reported_events = req._reported_events;
  58                     }
  59                 }
  60             }
  61         } catch(E) {
  62             try {
  63                 if (instanceOf(E, NetworkFailure)) {
  64                     obj.NETWORK_FAILURE = E;
  65                 } else {
  66                     try { obj.NETWORK_FAILURE = js2JSON(E); } catch(F) { dump(F + '\n'); obj.NETWORK_FAILURE = E; };
  67                 }
  68             } catch(I) {
  69                 obj.NETWORK_FAILURE = offlineStrings.getString('network.unknown_status');
  70             }
  71             result = fake_ilsevent_for_network_errors;
  72         }
  73         return result;
  74     },
  75
  76     'request' : function (app,name,params,f,override_params,_params) {
  77
  78         var obj = this;
  79
  80         //var sparams = js2JSON(params);
  81         //obj.error.sdump('D_SES','request '+ app + ' ' + name +' '+obj.error.pretty_print(sparams.slice(1,sparams.length-1))+
  82         //    '\noverride_params = ' + override_params + '\n_params = ' + _params + '\n');
  83
  84         try {
  85
  86             if (typeof _params == 'undefined') {
  87                 // If we're not using simple_request to get here, let's assume secure by default
  88                 _params = { 'secure' : true };
  89             }
  90
  91             var request =  this._request(app,name,params,f,override_params,_params);
  92             if (request) {
  93                 return this.get_result(request);
  94             } else {
  95                 return null;
  96             }
  97
  98         } catch(E) {
  99             alert('1: ' + E);
 100         }
 101     },
 102
 103     '_request' : function (app,name,params,f,override_params,_params) {
 104         var obj = this;
 105         try {
 106             var sparams = js2JSON(params);
 107             obj.error.sdump('D_SES','_request '+app+' '+name+' '+obj.error.pretty_print(sparams.slice(1,sparams.length-1))+
 108                 '\noverride_params = ' + override_params + '\n_params = ' + _params +
 109                 '\nResult #' + (++obj.link_id) + ( f ? ' asynced' : ' synced' ) +
 110                 '\nlocation.href = ' + location.href );
 111
 112             if (document.getElementById('network_progress')) {
 113                 if (g && g.menu && g.menu.network_meter && typeof g.menu.network_meter.inc == 'function') g.menu.network_meter.inc(app,name);
 114             } else if (typeof xulG != 'undefined') {
 115                 if (xulG && xulG.network_meter && typeof xulG.network_meter.inc == 'function') xulG.network_meter.inc(app,name);
 116             }
 117
 118             var request = new RemoteRequest( app, name );
 119             if (_params && _params.secure) {
 120                 request.setSecure(true);
 121             } else {
 122                 request.setSecure(false);
 123             }
 124             for(var index in params) {
 125                 request.addParam(params[index]);
 126             }
 127
 128             var start_timer = (new Date).getTime();
 129             if (f)  {
 130                 request.setCompleteCallback(
 131                     function(req) {
 132                         try {
 133                             var duration = ( (new Date).getTime() - start_timer )/1000;
 134                             if ( obj.get_result(req) == null && duration > obj.network_timeout ) req.cancelled = true;
 135
 136                             if (document.getElementById('network_progress')) {
 137                                 if (g && g.menu && g.menu.network_meter && typeof g.menu.network_meter.dec == 'function') g.menu.network_meter.dec(app,name);
 138                             } else if (typeof xulG != 'undefined') {
 139                                 if (xulG && xulG.network_meter && typeof xulG.network_meter.dec == 'function') xulG.network_meter.dec(app,name);
 140                             }
 141
 142                             var json_string = js2JSON(obj.get_result(req));
 143                             obj.error.sdump('D_SES_RESULT','asynced result #'
 144                                 + obj.link_id + '\n\n'
 145                                 + (json_string.length > 80 ? obj.error.pretty_print(json_string) : json_string)
 146                                 + '\n\nOriginal Request:\n\n'
 147                                 + 'request '+app+' '+name+' '+ sparams.slice(1,sparams.length-1));
 148                             obj.play_sounds( request );
 149                             req = obj.rerequest_on_session_timeout(app,name,params,req,override_params,_params);
 150                             req = obj.rerequest_on_perm_failure(app,name,params,req,override_params,_params);
 151                             if (override_params) {
 152                                 req = obj.rerequest_on_override(app,name,params,req,override_params,_params);
 153                             }
 154                             req = obj.check_for_offline(app,name,params,req,override_params,_params);
 155                             f(req);
 156                             obj.NETWORK_FAILURE = null;
 157                         } catch(E) {
 158                             try {
 159                                 E.ilsevent = -2;
 160                                 E.textcode = offlineStrings.getString('network.server_or_method.error');
 161                             } catch(F) {}
 162                             f( { 'getResultObject' : function() { return E; } } );
 163                         }
 164                     }
 165                 );
 166                 try {
 167                     request.send(false);
 168                 } catch(E) {
 169                     throw(E);
 170                 }
 171                 return null;
 172             } else {
 173                 try {
 174                     request.send(true);
 175                     var duration = ( (new Date).getTime() - start_timer )/1000;
 176                     if ( obj.get_result(request) == null && duration > obj.network_timeout ) request.cancelled = true;
 177
 178                     if (document.getElementById('network_progress')) {
 179                         if (g && g.menu && g.menu.network_meter && typeof g.menu.network_meter.dec == 'function') g.menu.network_meter.dec(app,name);
 180                     } else if (typeof xulG != 'undefined') {
 181                         if (xulG && xulG.network_meter && typeof xulG.network_meter.dec == 'function') xulG.network_meter.dec(app,name);
 182                     }
 183
 184                 } catch(E) {
 185                     throw(E);
 186                 }
 187                 var result = obj.get_result(request);
 188                 var json_string = js2JSON(result);
 189                 this.error.sdump('D_SES_RESULT','synced result #'
 190                     + obj.link_id + '\n\n' + ( json_string.length > 80 ? obj.error.pretty_print(json_string) : json_string )
 191                     + '\n\nOriginal Request:\n\n'
 192                     + 'request '+app+' '+name+' '+ sparams.slice(1,sparams.length-1));
 193                 obj.play_sounds( request );
 194                 request = obj.rerequest_on_session_timeout(app,name,params,request,override_params,_params);
 195                 request = obj.rerequest_on_perm_failure(app,name,params,request,override_params,_params);
 196                 if (override_params) {
 197                     request = obj.rerequest_on_override(app,name,params,request,override_params,_params);
 198                 }
 199                 request = obj.check_for_offline(app,name,params,request,override_params,_params);
 200                 obj.NETWORK_FAILURE = null;
 201                 return request;
 202             }
 203
 204         } catch(E) {
 205             alert('2: ' + E);
 206             if (instanceOf(E,perm_ex)) {
 207                 alert('in util.network, _request : permission exception: ' + js2JSON(E));
 208             }
 209             throw(E);
 210         }
 211     },
 212
 213     'check_for_offline' : function (app,name,params,req,override_params,_params) {
 214         try {
 215             var obj = this;
 216             var result = obj.get_result(req);
 217             if (result == null) return req;
 218             if (typeof result.ilsevent == 'undefined') return req;
 219             if (result.ilsevent != -1) return req;
 220
 221             JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.init({'via':'stash'});
 222             var proceed = true;
 223
 224             while(proceed) {
 225
 226                 proceed = false;
 227
 228                 var r;
 229
 230                 if (data.proceed_offline) {
 231
 232                     r = 1;
 233
 234                 } else {
 235
 236                     var network_failure_string;
 237                     var network_failure_status_string;
 238                     var msg;
 239
 240                     try { network_failure_string = String( obj.NETWORK_FAILURE ); } catch(E) { network_failure_string = E; }
 241                     try { network_failure_status_string = typeof obj.NETWORK_FAILURE == 'object' && typeof obj.NETWORK_FAILURE != 'null' && typeof obj.NETWORK_FAILURE.status == 'function' ? obj.NETWORK_FAILURE.status() : ''; } catch(E) { network_failure_status_string = ''; obj.error.sdump('D_ERROR', 'setting network_failure_status_string: ' + E); }
 242
 243                     try { msg = offlineStrings.getFormattedString('network.server.failure.exception', [data.server_unadorned]) + '\n' +
 244                                 offlineStrings.getFormattedString('network.server.method', [name]) + '\n' +
 245                                 offlineStrings.getFormattedString('network.server.params', [js2JSON(params)]) + '\n' +
 246                                 offlineStrings.getString('network.server.thrown_label') + '\n' + network_failure_string + '\n' +
 247                                 offlineStrings.getString('network.server.status_label') + '\n' + network_failure_status_string;
 248                     } catch(E) { msg = E; }
 249
 250                     try { obj.error.sdump('D_SES_ERROR',msg); } catch(E) { alert('3: ' + E); }
 251
 252                     r = obj.error.yns_alert(
 253                         msg,
 254                         offlineStrings.getString('network.network_failure'),
 255                         offlineStrings.getString('network.retry_network'),
 256                         offlineStrings.getString('network.ignore_errors'),
 257                         null,
 258                         offlineStrings.getString('common.confirm')
 259                     );
 260                     if (r == 1) {
 261                         data.proceed_offline = true; data.stash('proceed_offline');
 262                         dump('Remembering proceed_offline for 200000 ms.\n');
 263                         setTimeout(
 264                             function() {
 265                                 data.proceed_offline = false; data.stash('proceed_offline');
 266                                 dump('Setting proceed_offline back to false.\n');
 267                             }, 200000
 268                         );
 269                     }
 270                 }
 271
 272                 dump( r == 0 ? 'Retry Network\n' : 'Ignore Errors\n' );
 273
 274                 switch(r) {
 275                     case 0:
 276                         req = obj._request(app,name,params,null,override_params,_params);
 277                         if (obj.get_result(req)) proceed = true; /* daily WTF, why am I even doing this? :) */
 278                         return req;
 279                     break;
 280
 281                     case 1:
 282                         return req;
 283                     break;
 284                 }
 285             }
 286         } catch(E) {
 287             alert('4: ' + E);
 288             throw(E);
 289         }
 290     },
 291
 292     'reset_titlebars' : function(data) {
 293         var obj = this;
 294         data.stash_retrieve();
 295         try {
 296             JSAN.use('util.window'); var win =  new util.window();
 297             var windowManager = Components.classes["@mozilla.org/appshell/window-mediator;1"].getService();
 298             var windowManagerInterface = windowManager.QueryInterface(Components.interfaces.nsIWindowMediator);
 299             var enumerator = windowManagerInterface.getEnumerator(null);
 300
 301             var w; // set title on all appshell windows
 302             while ( w = enumerator.getNext() ) {
 303                 if (w.document.title.match(/^\d/)) {
 304                     w.document.title =
 305                         win.appshell_name_increment()
 306                         + ': ' + data.list.au[0].usrname()
 307                         + '@' + data.ws_name;
 308                         + '.' + data.server_unadorned
 309                 }
 310             }
 311         } catch(E) {
 312             obj.error.standard_unexpected_error_alert(offlineStrings.getString('network.window_title.error'),E);
 313         }
 314     },
 315
 316     'set_user_status' : function() {
 317         data.stash_retrieve();
 318         try {
 319             var windowManager = Components.classes["@mozilla.org/appshell/window-mediator;1"].getService();
 320             var windowManagerInterface = windowManager.QueryInterface(Components.interfaces.nsIWindowMediator);
 321             var permlist = windowManagerInterface.getMostRecentWindow('eg_main').get_menu_perms(null);
 322             var offlinestrings;
 323             var enumerator = windowManagerInterface.getEnumerator('eg_menu');
 324
 325             var w;
 326             var x;
 327             while ( w = enumerator.getNext() ) {
 328                 x = w.document.getElementById('oc_menuitem');
 329
 330                 if(!offlinestrings) offlinestrings = w.document.getElementById('offlineStrings');
 331                 if(permlist) w.g.menu.set_menu_access(permlist);
 332                 if(data.list.au.length > 1) {
 333                     addCSSClass(w.document.getElementById('main_tabbox'),'operator_change');
 334                     x.setAttribute('label', offlineStrings.getFormattedString('menu.cmd_chg_session.operator.label', [data.list.au[1].usrname()]) );
 335                 }
 336                 else {
 337                     removeCSSClass(w.document.getElementById('main_tabbox'),'operator_change');
 338                     x.setAttribute('label', x.getAttribute('label_orig'));
 339                 }
 340             }
 341         } catch(E) {
 342             obj.error.standard_unexpected_error_alert(offlineStrings.getString('network.window_title.error'),E);
 343         }
 344     },
 345
 346     'get_new_session' : function(name,xulG,text) {
 347         var obj = this;
 348         try {
 349
 350         var url = urls.XUL_AUTH_SIMPLE;
 351         if (typeof xulG != 'undefined' && typeof xulG.url_prefix == 'function') url = xulG.url_prefix( url );
 352         JSAN.use('util.window'); var win = new util.window();
 353         var my_xulG = win.open(
 354             url,
 355             //+ '?login_type=staff'
 356             //+ '&desc_brief=' + window.escape( text ? 'Session Expired' : 'Operator Change' )
 357             //+ '&desc_full=' + window.escape( text ? 'Please enter the credentials for a new login session.' : 'Please enter the credentials for the new login session.  Note that the previous session is still active.'),
 358             //'simple_auth' + (new Date()).toString(),
 359             offlineStrings.getString('network.new_session.authorize'),
 360             'chrome,resizable,modal,width=700,height=500',
 361             {
 362                 'login_type' : 'staff',
 363                 'desc_brief' : text ? offlineStrings.getString('network.new_session.expired') : offlineStrings.getString('network.new_session.operator_change'),
 364                 'desc_full' : text ? offlineStrings.getString('network.new_session.expired.prompt') : offlineStrings.getString('network.new_session.operator_change.prompt')
 365                 //'simple_auth' : (new Date()).toString(),
 366             }
 367         );
 368         JSAN.use('OpenILS.data');
 369         var data = new OpenILS.data(); data.init({'via':'stash'});
 370         if (typeof data.temporary_session != 'undefined' && data.temporary_session != '') {
 371             data.session.key = data.temporary_session.key;
 372             data.session.authtime = data.temporary_session.authtime;
 373             data.stash('session');
 374             try {
 375                 var ios = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
 376                 var cookieUriSSL = ios.newURI("https://" + data.server_unadorned, null, null);
 377                 var cookieSvc = Components.classes["@mozilla.org/cookieService;1"].getService(Components.interfaces.nsICookieService);
 378
 379                 cookieSvc.setCookieString(cookieUriSSL, null, "ses="+data.session.key + "; secure;", null);
 380
 381             } catch(E) {
 382                 alert(offineStrings.getFormattedString('main.session_cookie.error', [E]));
 383             }
 384             if (! data.list.au ) data.list.au = [];
 385             data.list.au[0] = JSON2js( data.temporary_session.usr );
 386             data.stash('list');
 387             obj.reset_titlebars(data);
 388             return true;
 389         } else {
 390             obj.error.sdump('D_TRACE','No new session key after simple_auth in util/network\n');
 391         }
 392         return false;
 393
 394         } catch(E) {
 395             obj.error.standard_unexpected_error_alert('util.network.get_new_session',E);
 396         }
 397     },
 398
 399     'rerequest_on_session_timeout' : function(app,name,params,req,override_params,_params) {
 400         try {
 401             var obj = this;
 402             var robj = obj.get_result(req);
 403             if (robj != null && robj.ilsevent && robj.ilsevent == 1001 /* NO_SESSION */) {
 404
 405                 if (obj.get_new_session(name,undefined,true)) {
 406                     JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.init({'via':'stash'});
 407                     params[0] = data.session.key;
 408                     req = obj._request(app,name,params,null,override_params,_params);
 409                 }
 410             }
 411         } catch(E) {
 412             this.error.standard_unexpected_error_alert('rerequest_on_session_timeout',E);
 413         }
 414         return req;
 415     },
 416
 417     'rerequest_on_perm_failure' : function(app,name,params,req,override_params,_params) {
 418         try {
 419             var obj = this;
 420             var robj = obj.get_result(req);
 421             if (robj != null && robj.ilsevent && robj.ilsevent == 5000) {
 422                 if (location.href.match(/^chrome/)) {
 423                     //alert('Permission denied.');
 424                 } else {
 425                     JSAN.use('util.window'); var win = new util.window();
 426                     var my_xulG = win.open(
 427                         urls.XUL_AUTH_SIMPLE,
 428                         //+ '?login_type=temp'
 429                         //+ '&desc_brief=' + window.escape('Permission Denied: ' + robj.ilsperm)
 430                         //+ '&desc_full=' + window.escape('Another staff member with the above permission may authorize this specific action.  Please notify your library administrator if you need this permission.  If you feel you have received this exception in error, inform your friendly Evergreen developers of the above permission and this debug information: ' + name),
 431                         //'simple_auth' + (new Date()).toString(),
 432                         offlineStrings.getFormattedString('network.permission.authorize'),
 433                         'chrome,resizable,modal,width=700,height=500',
 434                         {
 435                             'login_type' : 'temp',
 436                             'desc_brief' : offlineStrings.getFormattedString('network.permission.description.brief', [robj.ilsperm]),
 437                             'desc_full' : offlineStrings.getFormattedString('network.permission.description.full', [name])
 438                             //'simple_auth' : (new Date()).toString(),
 439                         }
 440                     );
 441                     JSAN.use('OpenILS.data');
 442                     //var data = new OpenILS.data(); data.init({'via':'stash'});
 443                     if (typeof my_xulG.temporary_session != 'undefined' && my_xulG.temporary_session != '') {
 444                         params[0] = my_xulG.temporary_session.key;
 445                         req = obj._request(app,name,params,null,override_params,_params);
 446                     }
 447                 }
 448             }
 449         } catch(E) {
 450             this.error.sdump('D_ERROR',E);
 451         }
 452         return req;
 453     },
 454
 455     'rerequest_on_override' : function (app,name,params,req,override_params,_params) {
 456         var obj = this;
 457         try {
 458             if (!override_params.text) override_params.text = {};
 459             if (!override_params.auto_override_these_events) override_params.auto_override_these_events = [];
 460             if (!override_params.report_override_on_events) override_params.report_override_on_events = [];
 461             function override(r) {
 462                 try {
 463                     // test to see if we can suppress this dialog and auto-override
 464                     var auto_override = false;
 465                     if (override_params.auto_override_these_events.length > 0) {
 466                         auto_override = true;
 467                         for (var i = 0; i < r.length; i++) {
 468                             if (
 469                                 (typeof r[i].ilsevent != 'undefined') &&
 470                                 (
 471                                     (override_params.auto_override_these_events.indexOf( r[i].ilsevent == null ? null : Number(r[i].ilsevent) ) != -1) ||
 472                                     (override_params.auto_override_these_events.indexOf( r[i].textcode ) != -1)
 473                                 )
 474                             ) {
 475                                 // so far so good
 476                             } else {
 477                                 // showstopper
 478                                 auto_override = false;
 479                             }
 480                         }
 481                     }
 482                     if (auto_override) {
 483                         obj.sound.bad();
 484                         req = obj._request(app,name + '.override',params);
 485                         return req;
 486                     }
 487
 488                     var xml = '<vbox xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">' +
 489                         '<groupbox><caption label="' + offlineStrings.getString('network.override.exceptions') + '"/>' +
 490                         '<grid><columns><column/><column flex="1"/></columns><rows>';
 491                     for (var i = 0; i < r.length; i++) {
 492                         var t1 = String(r[i].ilsevent).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
 493                         var t2 = String(r[i].textcode).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
 494                         var t3 = String((override_params.text[r[i].ilsevent] ? override_params.text[r[i].ilsevent](r[i]) : '')).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
 495                         var t4 = String(r[i].desc).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
 496                         xml += '<row>' +
 497                             '<description class="oils_event" tooltiptext="' + t1 + '">' + t2 + '</description>' +
 498                             '<description>' + t3 + '</description>' +
 499                             '</row><row>' + '<description>' + t4 + '</description>' + '</row>';
 500                     }
 501                     xml += '</rows></grid></groupbox><groupbox><caption label="' + offlineStrings.getString('network.override.override') +'"/><hbox>' +
 502                         '<description>' + offlineStrings.getString('network.override.force.prompt') + '</description>' +
 503                         '<button accesskey="' + offlineStrings.getString('common.no.accesskey') + '" label="' + offlineStrings.getString('common.no') + '" name="fancy_cancel"/>' +
 504                         '<button id="override" accesskey="' + offlineStrings.getString('common.yes.accesskey') + '" label="' + offlineStrings.getString('common.yes') + '" name="fancy_submit" value="override"/></hbox></groupbox></vbox>';
 505                     //JSAN.use('OpenILS.data');
 506                     //var data = new OpenILS.data(); data.init({'via':'stash'});
 507                     //data.temp_override_xml = xml; data.stash('temp_override_xml');
 508                     JSAN.use('util.window'); var win = new util.window();
 509                     var fancy_prompt_data = win.open(
 510                         urls.XUL_FANCY_PROMPT,
 511                         //+ '?xml_in_stash=temp_override_xml'
 512                         //+ '&title=' + window.escape(override_params.title),
 513                         'fancy_prompt', 'chrome,resizable,modal,width=700,height=500',
 514                         { 'xml' : xml, 'title' : override_params.title, 'sound' : 'bad', 'sound_object' : obj.sound }
 515                     );
 516                     if (fancy_prompt_data.fancy_status == 'complete') {
 517                         req = obj._request(app,name + '.override',params);
 518                         if (req && override_params.report_override_on_events.length > 0 && typeof result == 'object') {
 519                             var reported_events = [];
 520                             for (var i = 0; i < r.length; i++) {
 521                                 if (typeof r[i].ilsevent != 'undefined') {
 522                                     if (override_params.report_override_on_events.indexOf( r[i].ilsevent == null ? null : Number(r[i].ilsevent) ) != -1) {
 523                                         reported_events.push(Number(r[i].ilsevent));
 524                                     }
 525                                     if (override_params.report_override_on_events.indexOf( r[i].textcode ) != -1) {
 526                                         reported_events.push(r[i].textcode);
 527                                     }
 528                                 }
 529                             }
 530                             req._reported_events = reported_events;
 531                         }
 532                     }
 533                     return req;
 534                 } catch(E) {
 535                     alert('in util.network, rerequest_on_override, override:' + E);
 536                 }
 537             }
 538
 539             var result = obj.get_result(req);
 540             if (!result) return req;
 541
 542             if (
 543                 (typeof result.ilsevent != 'undefined') &&
 544                 (
 545                     (override_params.overridable_events.indexOf( result.ilsevent == null || result.ilsevent == '' ? null : Number(result.ilsevent) ) != -1) ||
 546                     (override_params.overridable_events.indexOf( result.textcode ) != -1)
 547                 )
 548             ) {
 549                 req = override([result]);
 550             } else {
 551                 var found_good = false; var found_bad = false;
 552                 for (var i = 0; i < result.length; i++) {
 553                     if (
 554                         (typeof result[i].ilsevent != 'undefined') &&
 555                         (
 556                             (override_params.overridable_events.indexOf( result[i].ilsevent == null || result[i].ilsevent == '' ? null : Number(result[i].ilsevent) ) != -1) ||
 557                             (override_params.overridable_events.indexOf( result[i].textcode ) != -1)
 558                         )
 559                     ) {
 560                         found_good = true;
 561                     } else {
 562                         found_bad = true;
 563                     }
 564                 }
 565                 if (found_good && (!found_bad)) req = override(result);
 566             }
 567
 568             return req;
 569         } catch(E) {
 570             throw(E);
 571         }
 572     },
 573
 574     'ping' : function() {
 575         try {
 576             JSAN.use('util.file'); JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.init({'via':'stash'});
 577             var file = new util.file('ping.bat');
 578             var path = file._file.path;
 579             file.write_content('truncate+exec',
 580                 '#!/bin/sh\n' +
 581                 'ping -n 15 ' + data.server_unadorned + ' > "' + path + '.txt"\n' + /* windows */
 582                 'ping -c 15 ' + data.server_unadorned + ' >> "' + path + '.txt"\n'  /* unix */
 583             );
 584             file.close();
 585             file = new util.file('ping.bat');
 586
 587             var process = Components.classes["@mozilla.org/process/util;1"].createInstance(Components.interfaces.nsIProcess);
 588             process.init(file._file);
 589
 590             var args = [];
 591
 592             dump('process.run = ' + process.run(true, args, args.length) + '\n');
 593
 594             file.close();
 595
 596             var file = new util.file('ping.bat.txt');
 597             var output = file.get_content();
 598             file.close();
 599
 600             return output;
 601         } catch(E) {
 602             alert(E);
 603         }
 604     },
 605
 606     'play_sounds' : function(req) {
 607         var obj = this;
 608         try {
 609             var result = req.getResultObject();
 610             if (result == null) { return; }
 611             if (typeof result.textcode != 'undefined') {
 612                 obj.sound.event( result );
 613             } else {
 614                 if (typeof result.length != 'undefined') {
 615                     for (var i = 0; i < result.length; i++) {
 616                         if (typeof result[i].textcode != 'undefined') {
 617                             obj.sound.event( result[i] );
 618                         }
 619                     }
 620                 }
 621             }
 622         } catch(E) {
 623             dump('Error in network.js, play_sounds() : ' + E + '\n');
 624         }
 625     }
 626 }
 627
 628 /*
 629 function sample_callback(request) {
 630     var result = request.getResultObject();
 631 }
 632 */
 633
 634 dump('exiting util/network.js\n');