diff options
Diffstat (limited to 'web/nms.gathering.org/nms2/js/nms.js')
-rw-r--r-- | web/nms.gathering.org/nms2/js/nms.js | 1067 |
1 files changed, 1067 insertions, 0 deletions
diff --git a/web/nms.gathering.org/nms2/js/nms.js b/web/nms.gathering.org/nms2/js/nms.js new file mode 100644 index 0000000..101f2b1 --- /dev/null +++ b/web/nms.gathering.org/nms2/js/nms.js @@ -0,0 +1,1067 @@ +var nms = { + updater:undefined, // Active updater + switches_now:undefined, // Most recent data + switches_then:undefined, // 2 minutes old + speed:0, // Current aggregated speed + full_speed:false, // Set to 'true' to include ALL interfaces + ping_data:undefined, + drawn:false, // Set to 'true' when switches are drawn + switch_showing:"", + nightMode:false, + nightBlur:{}, + switch_color:{}, + damage:false, + drawText:true, + now:false, + did_update:false // Set to 'true' after we've done some basic updating +}; + +var counters = { + undamaged:0, + damaged:0 +}; + +var c = document.getElementById("myCanvas"); +var ctx = c.getContext("2d"); +var fontSize = 16; +var fontFace = "Arial Black"; +var orig = { + width:1920, + height:1032 + }; + +var canvas = { + width:0, + height:0, + scale:1 +}; +var margin = { + x:10, + y:20, + text:3 +}; + + +/* + * Handlers. "updater" is run periodically when the handler is active, and + * "init" is run once when it's activated. + */ + +var handler_uplinks = { + updater:uplinkUpdater, + init:uplinkInit, + name:"Uplink map" +}; + +var handler_temp = { + updater:tempUpdater, + init:tempInit, + name:"Temperature map" +}; + +var handler_ping = { + updater:pingUpdater, + init:pingInit, + name:"IPv4 Ping map" +}; + +var handler_traffic = { + updater:trafficUpdater, + init:trafficInit, + name:"Uplink traffic map" +}; + +var handler_disco = { + updater:randomizeColors, + init:discoInit, + name:"Disco fever" +}; + +function byteCount(bytes) { + var units = ['', 'K', 'M', 'G', 'T', 'P']; + i = 0; + while (bytes > 1024) { + bytes = bytes / 1024; + i++; + } + return bytes.toFixed(1) + units[i]; +} + +function toggleNightMode() { + setNightMode(!nms.nightMode); +} + +function checkNow(now) { + if (Date.parse(now)) { + var d = new Date(Date.parse(now)); + var str = d.getFullYear() + "-" + (parseInt(d.getMonth())+1) + "-" + d.getDate() + " "; + str += d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds(); + return str; + + } + if (now == "") + return ""; + return false; +} + +function changeNow() { + var newnow = checkNow(document.getElementById("nowPicker").value); + if (!newnow) { + alert('Bad date-field in time travel field'); + return; + } + if (newnow == "") + newnow = false; + + nms.now = newnow; + updatePorts(); + var boxHide = document.getElementById("nowPickerBox"); + if (boxHide) { + boxHide.style.display = "none"; + } +} + +/* + * Hide switch info-box + */ +function hideSwitch() +{ + var swtop = document.getElementById("info-switch-parent"); + var switchele = document.getElementById("info-switch-table"); + if (switchele != undefined) + swtop.removeChild(switchele); + nms.switch_showing = ""; + +} +/* + * Display info on switch "x" in the info-box + */ +function switchInfo(x) +{ + var switchele = document.getElementById("info-switch-table"); + var sw = nms.switches_now["switches"][x]; + var swtop = document.getElementById("info-switch-parent"); + var tr; + var td1; + var td2; + + if (nms.switch_showing == x) { + hideSwitch(); + return; + } else { + hideSwitch(); + nms.switch_showing = x; + } + switchele = document.createElement("table"); + switchele.id = "info-switch-table"; + switchele.style.zIndex = 100; + switchele.className = "table table-bordered"; + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Sysname"; + td2.innerHTML = x + '<button type="button" style="float: right" onclick="hideSwitch();">X</button>'; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + var speed = 0; + var speed2 = 0; + for (port in nms.switches_now["switches"][x]["ports"]) { + if (nms.switches_now["switches"][x]["ports"] == undefined || + nms.switches_then["switches"][x]["ports"] == undefined) { + continue; + } + if (/ge-0\/0\/44$/.exec(port) || + /ge-0\/0\/45$/.exec(port) || + /ge-0\/0\/46$/.exec(port) || + /ge-0\/0\/47$/.exec(port)) + { + var t = nms.switches_then["switches"][x]["ports"][port]; + var n = nms.switches_now["switches"][x]["ports"][port]; + speed += (parseInt(t["ifhcoutoctets"]) - parseInt(n["ifhcoutoctets"])) / (parseInt(t["time"] - n["time"])); + speed2 += (parseInt(t["ifhcinoctets"]) - parseInt(n["ifhcinoctets"])) / (parseInt(t["time"] - n["time"])); + } + } + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Uplink speed (out , port 44,45,46,47)"; + td2.innerHTML = byteCount(8 * speed) + "b/s"; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Uplink speed (in , port 44,45,46,47)"; + td2.innerHTML = byteCount(8 * speed2) + "b/s"; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + speed = 0; + for (port in nms.switches_now["switches"][x]["ports"]) { + if (nms.switches_now["switches"][x]["ports"] == undefined || + nms.switches_then["switches"][x]["ports"] == undefined) { + continue; + } + var t = nms.switches_then["switches"][x]["ports"][port]; + var n = nms.switches_now["switches"][x]["ports"][port]; + speed += (parseInt(t["ifhcinoctets"]) -parseInt(n["ifhcinoctets"])) / (parseInt(t["time"] - n["time"])); + } + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Total speed (in)"; + td2.innerHTML = byteCount(8 * speed) + "b/s"; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + speed = 0; + for (port in nms.switches_now["switches"][x]["ports"]) { + if (nms.switches_now["switches"][x]["ports"] == undefined || + nms.switches_then["switches"][x]["ports"] == undefined) { + continue; + } + var t = nms.switches_then["switches"][x]["ports"][port]; + var n = nms.switches_now["switches"][x]["ports"][port]; + speed += (parseInt(t["ifhcoutoctets"]) -parseInt(n["ifhcoutoctets"])) / (parseInt(t["time"] - n["time"])); + } + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Total speed (out)"; + td2.innerHTML = byteCount(8 * speed) + "b/s"; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Management IP"; + td2.innerHTML = sw["management"]["ip"]; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Latency"; + if (nms.ping_data && nms.ping_data["switches"] && nms.ping_data["switches"][x]) { + td2.innerHTML = nms.ping_data["switches"][x]["latency"]; + } else { + td2.innerHTML = "N/A"; + } + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Temperature"; + td2.innerHTML = sw["temp"]; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Temperature age"; + td2.innerHTML = sw["temp_time"]; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Type"; + td2.innerHTML = sw["switchtype"]; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Last Updated"; + td2.innerHTML = sw["management"]["last_updated"]; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + tr = document.createElement("tr"); td1 = document.createElement("td"); td2 = document.createElement("td"); + td1.innerHTML = "Poll frequency"; + td2.innerHTML = sw["management"]["poll_frequency"]; + tr.appendChild(td1); tr.appendChild(td2); switchele.appendChild(tr); + + + swtop.appendChild(switchele); +} + +/* + * Update various info elements periodically. + */ +function updateInfo() +{ + if (!nms.drawn && nms.switches_now != undefined) { + nms.damage = true; + } + var speedele = document.getElementById("speed"); + speedele.innerHTML = (8 * parseInt(nms.speed) / 1024 / 1024 / 1024 ).toPrecision(5) + " Gbit/s"; +} + +/* + * Update function for uplink map + * Run periodically when uplink map is active. + */ +function uplinkUpdater() +{ + if (!nms.switches_now["switches"]) + return; + for (sw in nms.switches_now["switches"]) { + var uplinks=0; + for (port in nms.switches_now["switches"][sw]["ports"]) { + if (!nms.switches_then["switches"][sw]["ports"] || + !nms.switches_now["switches"][sw]["ports"]) + continue; + if (/ge-0\/0\/44$/.exec(port) || + /ge-0\/0\/45$/.exec(port) || + /ge-0\/0\/46$/.exec(port) || + /ge-0\/0\/47$/.exec(port)) + { + if (parseInt(nms.switches_then["switches"][sw]["ports"][port]["ifhcoutoctets"]) != parseInt(nms.switches_now["switches"][sw]["ports"][port]["ifhcoutoctets"])) { + uplinks += 1; + } + } + } + if (uplinks == 0) { + setSwitchColor(sw,"blue"); + } else if (uplinks == 1) { + setSwitchColor(sw,"red"); + } else if (uplinks == 2) { + setSwitchColor(sw, "yellow"); + } else if (uplinks == 3) { + setSwitchColor(sw, "green"); + } else if (uplinks > 3) { + setSwitchColor(sw, "white"); + } + } +} + +/* + * Init-function for uplink map + */ +function trafficInit() +{ + setLegend(1,"blue","0 uplink utilization"); + setLegend(5,"red", "1000Mb/s or more uplink utilization"); + setLegend(4,"yellow","100Mb/s to 800Mb/s uplink utilization"); + setLegend(3,"green", "5Mb/s to 100Mb/s uplink utilization"); + setLegend(2,"white","0 to 5Mb/s uplink utilization"); +} + +function trafficUpdater() +{ + if (!nms.switches_now["switches"]) + return; + for (sw in nms.switches_now["switches"]) { + var speed = 0; + for (port in nms.switches_now["switches"][sw]["ports"]) { + if (/ge-0\/0\/44$/.exec(port) || + /ge-0\/0\/45$/.exec(port) || + /ge-0\/0\/46$/.exec(port) || + /ge-0\/0\/47$/.exec(port)) + { + var t = nms.switches_then["switches"][sw]["ports"][port]; + var n = nms.switches_now["switches"][sw]["ports"][port]; + speed += (parseInt(t["ifhcoutoctets"]) -parseInt(n["ifhcoutoctets"])) / (parseInt(t["time"] - n["time"])); + speed += (parseInt(t["ifhcinoctets"]) -parseInt(n["ifhcinoctets"])) / (parseInt(t["time"] - n["time"])); + } + } + var m = 1024 * 1024 / 8; + if (speed == 0) { + setSwitchColor(sw,"blue"); + } else if (speed > (1000 * m)) { + setSwitchColor(sw,"red"); + } else if (speed > (800 * m)) { + setSwitchColor(sw, "yellow"); + } else if (speed > (5 * m)) { + setSwitchColor(sw, "green"); + } else { + setSwitchColor(sw, "white"); + } + } +} + +/* + * Init-function for uplink map + */ +function uplinkInit() +{ + setLegend(1,"blue","0 uplinks"); + setLegend(2,"red","1 uplink"); + setLegend(3,"yellow","2 uplinks"); + setLegend(4,"green","3 uplinks"); + setLegend(5,"white","4 uplinks"); +} + +function rgb_from_max(x) +{ + x = x/100; + var colorred = 255 * x; + var colorblue = 255 - colorred; + + return 'rgb(' + Math.round(colorred) + ", 0, " + Math.round(colorblue) + ')'; +} + +function temp_color(t) +{ + t = Math.round((t / 60) * 100); + return rgb_from_max(t); +} + +/* + * There are 4 legend-bars. This is a helper-function to set the color and + * description/name for each one. Used from handler init-functions. + */ +function setLegend(x,color,name) +{ + var el = document.getElementById("legend-" + x); + el.style.background = color; + el.innerHTML = name; +} + +function tempUpdater() +{ + for (sw in nms.switches_now["switches"]) { + var t = nms.switches_now["switches"][sw]["temp"]; + + setSwitchColor(sw, temp_color(t)); + } +} + +function tempInit() +{ + setLegend(1,temp_color(10),"10 °C"); + setLegend(2,temp_color(20),"20 °C"); + setLegend(3,temp_color(30),"30 °C"); + setLegend(4,temp_color(40),"40 °C"); + setLegend(5,temp_color(50),"50 °C"); +} + +function gradient_from_latency(latency_ms, latency_secondary_ms) +{ + if (latency_secondary_ms === undefined) { + return rgb_from_latency(latency_ms); + } + return 'linear-gradient(' + + rgb_from_latency(latency_ms) + ', ' + + rgb_from_latency(latency_secondary_ms) + ')'; +} + +function rgb_from_latency(latency_ms) +{ + if (latency_ms === null || latency_ms === undefined) { + return '#0000ff'; + } + + var l = latency_ms / 40.0; + if (l >= 2.0) { + return 'rgb(255, 0, 0)'; + } else if (l >= 1.0) { + l = 2.0 - l; + l = Math.pow(l, 1.0/2.2); + l = Math.round(l * 255.0); + return 'rgb(255, ' + l + ', 0)'; + } else { + l = Math.pow(l, 1.0/2.2); + l = Math.round(l * 255.0); + return 'rgb(' + l + ', 255, 0)'; + } +} + +function pingUpdater() +{ + for (var sw in nms.ping_data["switches"]) { + setSwitchColor(sw, gradient_from_latency(nms.ping_data["switches"][sw]["latency"])); + } +} + +function pingInit() +{ + setLegend(1,gradient_from_latency(1),"1ms"); + setLegend(2,gradient_from_latency(30),"30ms"); + setLegend(3,gradient_from_latency(60),"60ms"); + setLegend(4,gradient_from_latency(80),"80ms"); + setLegend(5,"#0000ff" ,"No response"); +} + +/* + * Run periodically to trigger map updates when a handler is active + */ +function updateMap() +{ + if (nms.updater != undefined) { + nms.updater(); + } +} + +/* + * Change map handler (e.g., change from uplink map to ping map) + */ +function setUpdater(fo) +{ + nms.updater = undefined; + resetColors(); + fo.init(); + nms.updater = fo.updater; + var foo = document.getElementById("updater_name"); + foo.innerHTML = fo.name + " "; + initialUpdate(); + if (nms.ping_data && nms.switches_then && nms.switches_now) { + nms.updater(); + } +} + + +/* + * Convenience function to avoid waiting for pollers when data is available + * for the first time. + */ +function initialUpdate() +{ + if (nms.ping_data && nms.switches_then && nms.switches_now && nms.updater != undefined && nms.did_update == false ) { + resizeEvent(); + if (!nms.drawn) { + nms.damage = true; + } + nms.updater(); + nms.did_update = true; + } +} + +/* + * Update nms.ping_data + */ +function updatePing() +{ + $.ajax({ + type: "GET", + url: "/ping-json2.pl?now=" + nms.now, + dataType: "text", + success: function (data, textStatus, jqXHR) { + nms.ping_data = JSON.parse(data); + initialUpdate(); + } + }); +} + +/* + * Update nms.switches_now and nms.switches_then + */ +function updatePorts() +{ + var now = ""; + if (nms.now) + now = "?now=" + nms.now; + $.ajax({ + type: "GET", + url: "/port-state.pl"+ now , + dataType: "text", + success: function (data, textStatus, jqXHR) { + var switchdata = JSON.parse(data); + nms.switches_now = switchdata; + parseIntPlacements(); + initialUpdate(); + } + }); + now=""; + if (nms.now) + now = "&now=" + nms.now; + $.ajax({ + type: "GET", + url: "/port-state.pl?time=5m" + now, + dataType: "text", + success: function (data, textStatus, jqXHR) { + var switchdata = JSON.parse(data); + nms.switches_then = switchdata; + initialUpdate(); + } + }) +} + +/* + * Use nms.switches_now and nms.switches_then to update 'nms.speed'. + * + * nms.speed is a total of ifHCInOctets across all interfaces. + * + * if nms.full_speed is true: Include ALL interfaces + * if nms.full_speed is false: Include only e* switches and exclude + * uplinks. + */ +function updateSpeed() +{ + var speed_in = parseInt(0); + var speed_kant = parseInt(0); + var counter=0; + var sw; + for (sw in nms.switches_now["switches"]) { + for (port in nms.switches_now["switches"][sw]["ports"]) { + if (!nms.switches_now["switches"][sw]["ports"][port]) { + console.log("ops"); + continue; + } + if (!nms.switches_then || !nms.switches_then["switches"] || !nms.switches_then["switches"][sw] || !nms.switches_then["switches"][sw]["ports"]) { + continue; + } + if (!nms.switches_now || !nms.switches_now["switches"] || !nms.switches_now["switches"][sw] || !nms.switches_now["switches"][sw]["ports"]) { + continue; + } + + if (!nms.switches_then["switches"][sw]["ports"][port]) { + console.log("ops"); + continue; + } + var diff = parseInt(parseInt(nms.switches_now["switches"][sw]["ports"][port]["time"]) - parseInt(nms.switches_then["switches"][sw]["ports"][port]["time"])); + var then = parseInt(nms.switches_then["switches"][sw]["ports"][port]["ifhcinoctets"]) ; + var now = parseInt(nms.switches_now["switches"][sw]["ports"][port]["ifhcinoctets"]) ; + var diffval = (now - then); + if (then == 0 || now == 0 || diffval == 0 || diffval == NaN) { + continue; + } + if (nms.full_speed || (( /e\d-\d/.exec(sw) || /e\d\d-\d/.exec(sw)) && ( /ge-\d\/\d\/\d$/.exec(port) || /ge-\d\/\d\/\d\d$/.exec(port)))) { + if (nms.full_speed || !( + /ge-0\/0\/44$/.exec(port) || + /ge-0\/0\/45$/.exec(port) || + /ge-0\/0\/46$/.exec(port) || + /ge-0\/0\/47$/.exec(port))) { + speed_in += parseInt(diffval/diff) ; + counter++; + } + } + //speed_in += parseInt(diffval/diff) / 1024 ; + } + } + nms.speed = speed_in; +} + +/* + * Draw a linknet with index i. + * + * XXX: Might have to change the index here to match backend + */ +function drawLinknet(i) +{ + var c1 = nms.switches_now.linknets[i].c1 ? nms.switches_now.linknets[i].c1 : "blue"; + var c2 = nms.switches_now.linknets[i].c2 ? nms.switches_now.linknets[i].c2 : "blue"; + if (nms.switches_now.switches[nms.switches_now.linknets[i].sysname1] && nms.switches_now.switches[nms.switches_now.linknets[i].sysname2]) { + connectSwitches(nms.switches_now.linknets[i].sysname1,nms.switches_now.linknets[i].sysname2, c1, c2); + } +} + +/* + * Draw all linknets + */ +function drawLinknets() +{ + if (nms.switches_now && nms.switches_now.linknets) { + for (var i in nms.switches_now.linknets) { + drawLinknet(i); + } + } +} + +/* + * Change both colors of a linknet. + * + * XXX: Probably have to change this to better match the backend data + */ +function setLinknetColors(i,c1,c2) +{ + if (nms.switches_now.linknets[i].c1 != c1 || + nms.switches_now.linknets[i].c2 != c2) { + nms.switches_now.linknets[i].c1 = c1; + nms.switches_now.linknets[i].c2 = c2; + nms.damage = true; + } +} + +/* + * (Re)draw a switch 'sw'. + * + * Color defaults to 'blue' if it's not set in the data structure. + */ +function drawSwitch(sw) +{ + var box = nms.switches_now['switches'][sw]['placement']; + var color = nms.switch_color[sw]; + if (color == undefined) { + color = "blue"; + } + ctx.fillStyle = color; + if (nms.nightMode && nms.nightBlur[sw] != true) { + ctx.shadowBlur = 10; + ctx.shadowColor = "#00EE00"; + nms.nightBlur[sw] = true; + } else { + ctx.shadowBlur = 0; + ctx.shadowColor = "#000000"; + } + drawBox(box['x'],box['y'],box['width'],box['height']); + ctx.shadowBlur = 0; + if (nms.drawText) { + if ((box['width'] + 10 )< box['height'] ) + drawSideways(sw,box['x'],box['y'],box['width'],box['height']); + else + drawRegular(sw,box['x'],box['y'],box['width'],box['height']); + } +} + +/* + * Make sure all placements of switches are parsed as integers so we don't + * have to pollute the code with pasreInt() every time we use it. + */ +function parseIntPlacements() { + for (var sw in nms.switches_now.switches) { + nms.switches_now.switches[sw]['placement']['x'] = + parseInt(nms.switches_now.switches[sw]['placement']['x']); + nms.switches_now.switches[sw]['placement']['y'] = + parseInt(nms.switches_now.switches[sw]['placement']['y']); + nms.switches_now.switches[sw]['placement']['width'] = + parseInt(nms.switches_now.switches[sw]['placement']['width']); + nms.switches_now.switches[sw]['placement']['height'] = + parseInt(nms.switches_now.switches[sw]['placement']['height']); + } +} + +/* + * Draw all switches + */ +function drawSwitches() +{ + if (!nms.switches_now || !nms.switches_now.switches) + return; + for (var sw in nms.switches_now.switches) { + drawSwitch(sw); + } + nms.drawn = true; +} + +/* + * Draw foreground/scene. + * + * This is used so linknets are drawn before switches. If a switch is all + * that has changed, we just need to re-draw that, but linknets require + * scene-redrawing. + */ +function drawScene() +{ + if (nms.damage) { + ctx.font = Math.round(fontSize * canvas.scale) + "px " + fontFace; + drawLinknets(); + drawSwitches(); + nms.damage = false; + counters.damaged++; + } else { + counters.undamaged++; + } +} + +/* + * Set the scale factor and (re)draw the scene and background. + * Uses canvas.scale and updates canvas.height and canvas.width. + */ +function setScale() +{ + c.height = canvas.height = orig.height * canvas.scale ; + c.width = canvas.width = orig.width * canvas.scale ; + drawBG(); + nightBlur = {}; + drawScene(); + document.getElementById("scaler").value = canvas.scale; + document.getElementById("scaler-text").innerHTML = (parseFloat(canvas.scale)).toPrecision(3); +} + +/* + * Returns true if the coordinates (x,y) is inside the box defined by + * box.{x,y,w.h} (e.g.: placement of a switch). + */ +function isin(box, x, y) +{ + if ((x >= box.x) && (x <= (box.x + box.width)) && (y >= box.y) && (y <= (box.y + box.height))) { + return true; + } + return false; + +} + +/* + * Return the name of the switch found at coordinates (x,y), or 'undefined' + * if none is found. + */ +function findSwitch(x,y) { + x = parseInt(parseInt(x) / canvas.scale); + y = parseInt(parseInt(y) / canvas.scale); + + for (var v in nms.switches_now.switches) { + if(isin(nms.switches_now.switches[v]['placement'],x,y)) { + return v; + } + } + return undefined; +} + +/* + * Set switch color of 'sw' to 'c', then re-draw the switch. + */ +function setSwitchColor(sw, c) +{ + if(!nms.switch_color || !nms.switch_color[sw] || nms.switch_color[sw] != c) { + nms.switch_color[sw] = c; + nms.damage = true; + } +} + +/* + * Return a random-ish color (for testing) + */ +function getRandomColor() +{ + var i = Math.round(Math.random() * 5); + var colors = [ "white", "red", "pink", "yellow", "orange", "green" ]; + return colors[i]; +} + +/* + * Helper functions for the front-end testing. + */ +function hideBorder() +{ + c.style.border = ""; +} + +function showBorder() +{ + c.style.border = "1px solid #000000"; +} + +/* + * Event handler for the front-end drag bar to change scale + */ +function scaleChange() +{ + var scaler = document.getElementById("scaler").value; + canvas.scale = scaler; + setScale(); +} + +/* + * Draw a "cross hair" at/around (x,y). + * + * Used for testing. + */ +function crossHair(x,y) +{ + ctx.fillStyle = "yellow"; + ctx.fillRect(x,y,-100,10); + ctx.fillStyle = "red"; + ctx.fillRect(x,y,100,10); + ctx.fillStyle = "blue"; + ctx.fillRect(x,y,10,-100); + ctx.fillStyle = "green"; + ctx.fillRect(x,y,10,100); +} + +/* + * Called when a switch is clicked + */ +function switchClick(sw) +{ + switchInfo(sw); +} + +/* + * Testing-function to randomize colors of linknets and switches + */ +function randomizeColors() +{ + for (var i in nms.switches_now.linknets) { + setLinknetColors(i, getRandomColor(), getRandomColor()); + } + for (var sw in nms.switches_now.switches) { + setSwitchColor(sw, getRandomColor()); + } + nms.damage = true; +} + +function discoInit() +{ + setNightMode(true); + setLegend(1,"blue","0"); + setLegend(5,"red", "1"); + setLegend(4,"yellow","2"); + setLegend(3,"green", "3"); + setLegend(2,"white","4"); +} +/* + * Resets the colors of linknets and switches. + * + * Useful when mode changes so we don't re-use colors from previous modes + * due to lack of data or bugs. + */ +function resetColors() +{ + if (!nms.switches_now) + return; + if (nms.switches_now.linknets) { + for (var i in nms.switches_now.linknets) { + setLinknetColors(i, "blue","blue"); + } + } + for (var sw in nms.switches_now.switches) { + setSwitchColor(sw, "blue"); + } +} + +/* + * onclick handler for the canvas + */ +function canvasClick(e) +{ + var sw = findSwitch(e.pageX - e.target.offsetLeft, e.pageY - e.target.offsetTop); + if (sw != undefined) { + switchClick(sw); + } +} + +/* + * Resize event-handler. + * + * Recomputes the scale and applies it. + * + * Has to use c.offset* since we are just scaling the canvas, not + * everything else. + * + */ +function resizeEvent() +{ + var width = window.innerWidth - c.offsetLeft; + var height = window.innerHeight - c.offsetTop; + if (width / (orig.width + margin.x) > height / (orig.height + margin.y)) { + canvas.scale = height / (orig.height + margin.y); + } else { + canvas.scale = width / (orig.width + margin.x); + } + setScale(); +} + +/* + * Draws the background image (scaled). + */ +function drawBG() +{ + if (nms.nightMode) { + invertCanvas(); + } else { + var image = document.getElementById('source'); + image.style.webkitFilter = "invert(100%)"; + ctx.drawImage(image, 0, 0, canvas.width, canvas.height); + } + nms.damage = true; + drawScene(); +} + +function setNightMode(toggle) { + nms.nightMode = toggle; + var body = document.getElementById("body"); + body.style.background = toggle ? "black" : "white"; + body.style.color = toggle ? "#00FF00" : "black"; + setScale(); +} +/* + * Draw a box (e.g.: switch). + */ +function drawBox(x,y,boxw,boxh) +{ + var myX = Math.round(x * canvas.scale); + var myY = Math.round(y * canvas.scale); + var myX2 = Math.round((boxw) * canvas.scale); + var myY2 = Math.round((boxh) * canvas.scale); + ctx.fillRect(myX,myY, myX2, myY2); + ctx.lineWidth = Math.round(0.5 * canvas.scale); + if (canvas.scale < 1.0) { + ctx.lineWidth = 0.5; + } + ctx.strokeStyle = "#000000"; + ctx.strokeRect(myX,myY, myX2, myY2); +} + +/* + * Draw text on a box - sideways! + * + * XXX: This is pretty nasty and should also probably take a box as input. + */ +function drawSideways(text,x,y,w,h) +{ + ctx.rotate(Math.PI * 3 / 2); + ctx.fillStyle = "white"; + ctx.strokeStyle = "black"; + ctx.lineWidth = Math.round(1 * canvas.scale); + if (canvas.scale < 0.7) { + ctx.lineWidth = 0.5; + } + ctx.fillText(text, - canvas.scale * (y + h - margin.text),canvas.scale * (x + w - margin.text) ); + ctx.strokeText(text, - canvas.scale * (y + h - margin.text),canvas.scale * (x + w - margin.text) ); + + ctx.rotate(Math.PI / 2); +} + +/* + * Draw background inverted (wooo) + * + * XXX: This is broken for chromium on local file system (e.g.: file:///) + * Seems like a chromium bug? + */ +function invertCanvas() { + var canvas = document.getElementById('myCanvas'); + var context = canvas.getContext('2d'); + var canvas2 = document.getElementById('mySecretCanvas'); + var context2 = canvas.getContext('2d'); + + var imageObj = document.getElementById('source'); + context2.drawImage(imageObj, 0, 0, canvas.width, canvas.height); + + var imageData = context2.getImageData(0, 0, canvas.width, canvas.height); + var data = imageData.data; + + for(var i = 0; i < data.length; i += 4) { + data[i] = 255 - data[i]; + data[i + 1] = 255 - data[i + 1]; + data[i + 2] = 255 - data[i + 2]; + } + context.putImageData(imageData, 0, 0); +} + +/* + * Draw regular text on a box. + * + * Should take the same format as drawSideways() + * + * XXX: Both should be renamed to have 'text' or something in them + */ +function drawRegular(text,x,y,w,h) { + + ctx.fillStyle = "white"; + ctx.strokeStyle = "black"; + ctx.lineWidth = Math.round(1 * canvas.scale); + if (canvas.scale < 0.7) { + ctx.lineWidth = 0.5; + } + ctx.fillText(text, (x + margin.text) * canvas.scale, (y + h - margin.text) * canvas.scale); + ctx.strokeText(text, (x + margin.text) * canvas.scale, (y + h - margin.text) * canvas.scale); +} + +/* + * Draw a line between switch "insw1" and "insw2", using a gradiant going + * from color1 to color2. + * + * XXX: beginPath() and closePath() is needed to avoid re-using the + * gradient/color + */ +function connectSwitches(insw1, insw2,color1, color2) { + var sw1 = nms.switches_now.switches[insw1].placement; + var sw2 = nms.switches_now.switches[insw2].placement; + if (color1 == undefined) + color1 = "blue"; + if (color2 == undefined) + color2 = "blue"; + var x0 = Math.floor((sw1.x + sw1.width/2) * canvas.scale); + var y0 = Math.floor((sw1.y + sw1.height/2) * canvas.scale); + var x1 = Math.floor((sw2.x + sw2.width/2) * canvas.scale); + var y1 = Math.floor((sw2.y + sw2.height/2) * canvas.scale); + var gradient = ctx.createLinearGradient(x1,y1,x0,y0); + gradient.addColorStop(0, color1); + gradient.addColorStop(1, color2); + ctx.beginPath(); + ctx.strokeStyle = gradient; + ctx.moveTo(x0,y0); + ctx.lineTo(x1,y1); + ctx.lineWidth = Math.floor(2 * canvas.scale); + ctx.closePath(); + ctx.stroke(); + ctx.moveTo(0,0); +} + +function debugIt(e) +{ + console.log("Debug triggered"); + console.log(e); +} |