assertion type switchState(on); assertion type powerDraw(watts); assertion type remoteClick(); assertion type tvAlert(text); assertion type switchAction(on); assertion type componentPresent(name); /////////////////////////////////////////////////////////////////////////// // TV function spawnTV() { spawn { var ui = new Syndicate.UI.Anchor(); during tvAlert($text) { assert ui.context(text).html('#tv', Mustache.render($('#alert_template').html(), { text: text })); } } } /////////////////////////////////////////////////////////////////////////// // Remote control and listener function spawnRemoteControl() { spawn { assert componentPresent('remote control'); on message Syndicate.UI.globalEvent('#remote-control', 'click', _) { :: remoteClick(); } } } function spawnRemoteListener() { spawn { this.stoveIsOn = false; // In principle, we should start up in "power undefined" state and // count clicks we get in that state; when we then learn the real // state, if we've been clicked, turn it off. We don't do this // here, for simplicity. on asserted powerDraw($watts) { this.stoveIsOn = watts > 0; } on message remoteClick() { if (this.stoveIsOn) { :: switchAction(false); } } } } /////////////////////////////////////////////////////////////////////////// // Stove switch and power draw monitor function spawnStoveSwitch() { spawn { field this.powerOn = false; this.ui = new Syndicate.UI.Anchor(); assert componentPresent('stove switch'); assert switchState(this.powerOn); assert this.ui.html('#stove-switch', Mustache.render($('#stove_element_template').html(), { imgurl: ("img/stove-coil-element-" + (this.powerOn ? "hot" : "cold") + ".jpg") })); on message Syndicate.UI.globalEvent('#stove-switch-on', 'click', _) { this.powerOn = true; } on message Syndicate.UI.globalEvent('#stove-switch-off', 'click', _) { this.powerOn = false; } on message switchAction($newState) { this.powerOn = newState; } stop on message Syndicate.UI.globalEvent('#kill-stove-switch', 'click', _); } } function spawnPowerDrawMonitor() { spawn { field this.watts = 0; this.ui = new Syndicate.UI.Anchor(); assert componentPresent('power draw monitor'); assert powerDraw(this.watts); assert this.ui.html('#power-draw-meter', Mustache.render($('#power_draw_template').html(), { watts: this.watts })); on asserted switchState($on) { this.watts = on ? 1500 : 0; } stop on message Syndicate.UI.globalEvent('#kill-power-draw-monitor', 'click', _); } } /////////////////////////////////////////////////////////////////////////// // Timeout listener function spawnTimeoutListener() { spawn { during powerDraw($watts) { on start { if (watts > 0) { var powerOnTime = Date.now(); react { on asserted Syndicate.Timer.timeLaterThan(powerOnTime + 3000) { react { assert tvAlert('Stove on too long?'); } } on asserted Syndicate.Timer.timeLaterThan(powerOnTime + 10000) { $("img.flames").show(); } } } } } } } // function spawnTimeoutListener() { // spawn { // on asserted powerDraw($watts) { // if (watts > 0) { // var powerOnTime = Date.now(); // react { // on asserted Syndicate.Timer.timeLaterThan(powerOnTime + 3000) { // react { assert tvAlert('Stove on too long?'); } // } // stop on asserted powerDraw(0); // alt: on retracted powerDraw(watts); // } // } // } // } // } // function spawnTimeoutListener() { // spawn { // this.mostRecentTime = 0; // this.powerOnTime = null; // on asserted powerDraw($watts) { // this.powerOnTime = (watts > 0) ? this.mostRecentTime : null; // } // on message Syndicate.Timer.periodicTick(200) { // this.mostRecentTime = Date.now(); // } // assert tvAlert('Stove on too long?') // when (this.powerOnTime !== null && this.mostRecentTime - this.powerOnTime > 3000); // } // } /////////////////////////////////////////////////////////////////////////// // Failure monitor function spawnFailureMonitor() { spawn { on retracted componentPresent($who) { react { assert tvAlert('FAILURE: ' + who); stop on asserted componentPresent(who); } } } } /////////////////////////////////////////////////////////////////////////// // Chaos Monkey function spawnChaosMonkey() { spawn* { monitorComponent('power draw monitor', '#spawn-power-draw-monitor', '#kill-power-draw-monitor', spawnPowerDrawMonitor); monitorComponent('stove switch', '#spawn-stove-switch', '#kill-stove-switch', spawnStoveSwitch); } function monitorComponent(name, spawnButtonSelector, killButtonSelector, spawnFunction) { var jSpawnButtons = $(spawnButtonSelector); var jKillButtons = $(killButtonSelector); react { during componentPresent(name) { on start { jSpawnButtons.prop('disabled', true); jKillButtons.prop('disabled', false); } on stop { jSpawnButtons.prop('disabled', false); jKillButtons.prop('disabled', true); } } on message Syndicate.UI.globalEvent(spawnButtonSelector, 'click', _) { spawnFunction(); } } } } /////////////////////////////////////////////////////////////////////////// // Main $(document).ready(function () { ground dataspace G { Syndicate.UI.spawnUIDriver(); Syndicate.Timer.spawnTimerDriver(); spawnTV(); spawnRemoteControl(); spawnRemoteListener(); spawnStoveSwitch(); spawnPowerDrawMonitor(); spawnTimeoutListener(); spawnFailureMonitor(); spawnChaosMonkey(); } G.dataspace.setOnStateChange(function (mux, patch) { $("#ds-state").text(Syndicate.prettyTrie(mux.routingTable)); }); });