/* * rhwebimport * * Copyright (C) 2014-2015 Christian Pointner * * This file is part of rhwebimport. * * rhwebimport is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * rhwebimport is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with rhwebimport. If not, see . */ alertbox = function() {} alertbox.warning = function (dest, heading, message) { $('#' + dest + ' .alertbox').html('
×

' + heading + '

' + message + '
'); } alertbox.error = function (dest, heading, message) { $('#' + dest + ' .alertbox').html('
×

' + heading + '

' + message + '
'); } alertbox.info = function (dest, heading, message) { $('#' + dest + ' .alertbox').html('
×

' + heading + '

' + message + '
'); } Number.prototype.pad = function(size) { var s = String(this); while (s.length < (size || 2)) {s = "0" + s;} return s; } var weekday = new Array(7); weekday[0] = 'Sonntag'; weekday[1] = 'Montag'; weekday[2] = 'Dienstag'; weekday[3] = 'Mittwoch'; weekday[4] = 'Donnerstag'; weekday[5] = 'Freitag'; weekday[6] = 'Samstag'; var weekday_short = new Array('So', 'Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa'); function format_datetime(d) { if(Object.prototype.toString.call(d) === '[object Date]') { var datetimestr = weekday_short[d.getDay()]; datetimestr += ' ' + Number(d.getDate()).pad(2); datetimestr += '.' + Number(d.getMonth() + 1).pad(2); datetimestr += '.' + d.getFullYear(); datetimestr += ' ' + Number(d.getHours()).pad(2); datetimestr += ':' + Number(d.getMinutes()).pad(2); datetimestr += ':' + Number(d.getSeconds()).pad(2); return datetimestr; } return d; } function msToTimeString(time) { if(time == '-') return time; var h = Number(Math.floor(time / 3600000)); time %= 3600000; var m = Number(Math.floor(time / 60000)); time %= 60000; var s = Number(Math.floor(time / 1000)); var hs = Number(Math.floor((time % 1000)/100)); return h + ':' + m.pad(2) + ':' + s.pad(2) + '.' + hs; } function get_rd_week(msEpoch) { // // This computes the current Rivendell Week based on the number // of weeks since epoch. // // Explanation: // epoch was at 01.01.1970 which was a Thursday. // Monday in that week is (s-from-epoch + 3*24*60*60) seconds ago. // This needs to be adjusted by the timezone offset for Europe/Vienna // which is of course not constant (damn you daylight savings time) // Divide this by (7*24*60*60) and you get the number of // weeks since the Monday in the week of epoch adjusted for timezone offsets. // This week had week number 3 so add an offset of 2 and // get the modulo of 4. This rounded down gives you the current week // with 0 meaning Week 1. So add 1 to that number and you will get // the current RD week. // var sEpoch = msEpoch / 1000 ; var week = Math.floor((((sEpoch + 259200)/604800) + 2) % 4) + 1; return week; } function Clock() { this.draw_callbacks = $.Callbacks('unique'); this.last_message = { t1: 0, t2: 0, t3: 0, t4: 0, tz_offset: 3600 }; this.clock_offset = 0; this.clock_rtt = 0; this.state = 'NEW'; this.redraw = function() { var rdtime_ms = (+new Date()) + (this.last_message.tz_offset * 1000) + this.clock_offset; var rdtime = new Date(rdtime_ms); var date_str = weekday_short[rdtime.getUTCDay()] + ', '; date_str += rdtime.getUTCDate() + '.' + (rdtime.getUTCMonth() + 1) + '.' + rdtime.getUTCFullYear(); var time_str = (rdtime.getUTCHours() > 9 ? ' ' : ' 0') + rdtime.getUTCHours(); time_str += (rdtime.getUTCMinutes() > 9 ? ':' : ':0') + rdtime.getUTCMinutes(); time_str += (rdtime.getUTCSeconds() > 9 ? ':' : ':0') + rdtime.getUTCSeconds(); this.draw_callbacks.fireWith(window, [date_str, time_str, get_rd_week(rdtime_ms)]); } this.addCallback = function(cb) { this.draw_callbacks.add(cb); } this.ntp_update = function(event) { var t4 = (+new Date()); var msg = JSON.parse(event.data); msg.t4 = t4; this.last_message = msg; this.clock_offset = ((msg.t2 - msg.t1) + (msg.t3 - msg.t4)) / 2; this.clock_rtt = (msg.t4 - msg.t1) - (msg.t3 - msg.t2); console.log('got new ntp message from rhrdtime (rtt=' + this.clock_rtt + ' ms): new offset = ' + this.clock_offset + ' ms'); } this.ntp_request = function() { this.sock.send(JSON.stringify({ t1: (+new Date()), t2: 0, t3: 0, t4: 0, tz_offset: 0, week: 0 })); } this.sock_onopen = function() { console.log('clock websocket connection established'); this.state = 'CONNECTED'; this.ntp_request(); this.interval_request = setInterval(this.ntp_request.bind(this), 2000); } this.sock_onclose = function(event) { if(this.state == 'STOPPED') { delete this.sock; } else { console.log('clock websocket closed with code ' + event.code + ', trying reconnect...'); clearInterval(this.interval_request); delete this.interval_request; this.sock.close(); delete this.sock; setTimeout(this.connect.bind(this), 1000); this.state = 'RECONNECTING'; } } this.connect = function() { this.sock = new WebSocket('wss://' + window.location.host + '/ntp'); this.sock.onmessage = this.ntp_update.bind(this); this.sock.onopen = this.sock_onopen.bind(this); this.sock.onclose = this.sock_onclose.bind(this); this.state = 'CONNECTING'; } this.start = function() { this.connect(); this.interval_redraw = setInterval(this.redraw.bind(this), 200); } this.stop = function() { this.state = 'STOPPED'; clearInterval(this.interval_redraw); delete this.interval_redraw; clearInterval(this.interval_request); delete this.interval_request; this.sock.close(); } } var clock = new Clock(); function clock_init() { clock.start(); } function clock_add_callback(cb) { clock.addCallback(cb); }