mirror of
https://github.com/voltrevo/ValueScript.git
synced 2026-04-18 03:00:27 -04:00
Port to typescript
This commit is contained in:
Andrew Morris
@@ -33,9 +33,9 @@
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// The benchmark was originally implemented in BCPL by
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// Martin Richards.
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var Richards = new BenchmarkSuite("Richards", [35302], [
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new Benchmark("Richards", true, false, 8200, runRichards),
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]);
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// var Richards = new BenchmarkSuite("Richards", [35302], [
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// new Benchmark("Richards", true, false, 8200, runRichards),
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// ]);
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/**
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* The Richards benchmark simulates the task dispatcher of an
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@@ -43,31 +43,31 @@ var Richards = new BenchmarkSuite("Richards", [35302], [
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*/
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function runRichards() {
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var scheduler = new Scheduler();
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scheduler.addIdleTask(ID_IDLE, 0, null, COUNT);
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scheduler.addIdleTask(0, /* ID_IDLE */ 0, null, 1000 /* COUNT */);
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var queue = new Packet(null, ID_WORKER, KIND_WORK);
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queue = new Packet(queue, ID_WORKER, KIND_WORK);
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scheduler.addWorkerTask(ID_WORKER, 1000, queue);
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var queue = new Packet(null, 1, /* ID_WORKER */ 1 /* KIND_WORK */);
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queue = new Packet(queue, 1, /* ID_WORKER */ 1 /* KIND_WORK */);
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scheduler.addWorkerTask(1, /* ID_WORKER */ 1000, queue);
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queue = new Packet(null, ID_DEVICE_A, KIND_DEVICE);
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queue = new Packet(queue, ID_DEVICE_A, KIND_DEVICE);
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queue = new Packet(queue, ID_DEVICE_A, KIND_DEVICE);
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scheduler.addHandlerTask(ID_HANDLER_A, 2000, queue);
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queue = new Packet(null, 4, /* ID_DEVICE_A */ 0 /* KIND_DEVICE */);
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queue = new Packet(queue, 4, /* ID_DEVICE_A */ 0 /* KIND_DEVICE */);
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queue = new Packet(queue, 4, /* ID_DEVICE_A */ 0 /* KIND_DEVICE */);
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scheduler.addHandlerTask(2, /* ID_HANDLER_A */ 2000, queue);
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queue = new Packet(null, ID_DEVICE_B, KIND_DEVICE);
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queue = new Packet(queue, ID_DEVICE_B, KIND_DEVICE);
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queue = new Packet(queue, ID_DEVICE_B, KIND_DEVICE);
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scheduler.addHandlerTask(ID_HANDLER_B, 3000, queue);
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queue = new Packet(null, 5, /* ID_DEVICE_B */ 0 /* KIND_DEVICE */);
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queue = new Packet(queue, 5, /* ID_DEVICE_B */ 0 /* KIND_DEVICE */);
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queue = new Packet(queue, 5, /* ID_DEVICE_B */ 0 /* KIND_DEVICE */);
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scheduler.addHandlerTask(3, /* ID_HANDLER_B */ 3000, queue);
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scheduler.addDeviceTask(ID_DEVICE_A, 4000, null);
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scheduler.addDeviceTask(4, /* ID_DEVICE_A */ 4000, null);
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scheduler.addDeviceTask(ID_DEVICE_B, 5000, null);
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scheduler.addDeviceTask(5, /* ID_DEVICE_B */ 5000, null);
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scheduler.schedule();
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if (
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scheduler.queueCount != EXPECTED_QUEUE_COUNT ||
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scheduler.holdCount != EXPECTED_HOLD_COUNT
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scheduler.queueCount != 2322 /* EXPECTED_QUEUE_COUNT */ ||
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scheduler.holdCount != 928 /* EXPECTED_HOLD_COUNT */
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) {
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var msg = "Error during execution: queueCount = " + scheduler.queueCount +
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", holdCount = " + scheduler.holdCount + ".";
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@@ -75,7 +75,7 @@ function runRichards() {
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}
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}
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var COUNT = 1000;
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// var COUNT = 1000;
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/**
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* These two constants specify how many times a packet is queued and
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@@ -84,454 +84,538 @@ var COUNT = 1000;
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* correct run so if the actual queue or hold count is different from
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* the expected there must be a bug in the implementation.
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*/
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var EXPECTED_QUEUE_COUNT = 2322;
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var EXPECTED_HOLD_COUNT = 928;
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// var EXPECTED_QUEUE_COUNT = 2322;
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// var EXPECTED_HOLD_COUNT = 928;
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/**
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* A scheduler can be used to schedule a set of tasks based on their relative
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* priorities. Scheduling is done by maintaining a list of task control blocks
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* which holds tasks and the data queue they are processing.
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* @constructor
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*/
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function Scheduler() {
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this.queueCount = 0;
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this.holdCount = 0;
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this.blocks = new Array(NUMBER_OF_IDS);
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this.list = null;
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this.currentTcb = null;
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this.currentId = null;
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}
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class Scheduler {
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queueCount = 0;
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holdCount = 0;
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blocks = new Array(6 /* NUMBER_OF_IDS */);
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list: TaskControlBlock | null = null;
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currentTcb: TaskControlBlock | null = null;
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currentId: number | null = null;
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var ID_IDLE = 0;
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var ID_WORKER = 1;
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var ID_HANDLER_A = 2;
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var ID_HANDLER_B = 3;
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var ID_DEVICE_A = 4;
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var ID_DEVICE_B = 5;
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var NUMBER_OF_IDS = 6;
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// var ID_IDLE = 0;
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// var ID_WORKER = 1;
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// var ID_HANDLER_A = 2;
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// var ID_HANDLER_B = 3;
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// var ID_DEVICE_A = 4;
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// var ID_DEVICE_B = 5;
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// var NUMBER_OF_IDS = 6;
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var KIND_DEVICE = 0;
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var KIND_WORK = 1;
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// var KIND_DEVICE = 0;
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// var KIND_WORK = 1;
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/**
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* Add an idle task to this scheduler.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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* @param {int} count the number of times to schedule the task
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*/
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Scheduler.prototype.addIdleTask = function (id, priority, queue, count) {
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this.addRunningTask(id, priority, queue, new IdleTask(this, 1, count));
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};
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/**
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* Add an idle task to this scheduler.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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* @param {int} count the number of times to schedule the task
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*/
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addIdleTask(
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id: number,
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priority: number,
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queue: Packet | null,
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count: number,
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) {
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this.addRunningTask(id, priority, queue, new IdleTask(this, 1, count));
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}
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/**
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* Add a work task to this scheduler.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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*/
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Scheduler.prototype.addWorkerTask = function (id, priority, queue) {
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this.addTask(id, priority, queue, new WorkerTask(this, ID_HANDLER_A, 0));
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};
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/**
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* Add a work task to this scheduler.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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*/
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addWorkerTask(id: number, priority: number, queue: Packet) {
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this.addTask(
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id,
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priority,
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queue,
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new WorkerTask(this, 2, /* ID_HANDLER_A */ 0),
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);
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}
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/**
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* Add a handler task to this scheduler.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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*/
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Scheduler.prototype.addHandlerTask = function (id, priority, queue) {
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this.addTask(id, priority, queue, new HandlerTask(this));
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};
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/**
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* Add a handler task to this scheduler.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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*/
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addHandlerTask(id: number, priority: number, queue: Packet) {
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this.addTask(id, priority, queue, new HandlerTask(this));
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}
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/**
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* Add a handler task to this scheduler.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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*/
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Scheduler.prototype.addDeviceTask = function (id, priority, queue) {
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this.addTask(id, priority, queue, new DeviceTask(this));
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};
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/**
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* Add a handler task to this scheduler.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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*/
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addDeviceTask(id: number, priority: number, queue: Packet | null) {
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this.addTask(id, priority, queue, new DeviceTask(this));
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}
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/**
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* Add the specified task and mark it as running.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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* @param {Task} task the task to add
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*/
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Scheduler.prototype.addRunningTask = function (id, priority, queue, task) {
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this.addTask(id, priority, queue, task);
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this.currentTcb.setRunning();
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};
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/**
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* Add the specified task and mark it as running.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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* @param {Task} task the task to add
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*/
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addRunningTask(
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id: number,
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priority: number,
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queue: Packet | null,
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task: Task,
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) {
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this.addTask(id, priority, queue, task);
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this.currentTcb!.setRunning();
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}
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/**
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* Add the specified task to this scheduler.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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* @param {Task} task the task to add
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*/
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Scheduler.prototype.addTask = function (id, priority, queue, task) {
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this.currentTcb = new TaskControlBlock(this.list, id, priority, queue, task);
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this.list = this.currentTcb;
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this.blocks[id] = this.currentTcb;
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};
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/**
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* Add the specified task to this scheduler.
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* @param {int} id the identity of the task
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* @param {int} priority the task's priority
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* @param {Packet} queue the queue of work to be processed by the task
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* @param {Task} task the task to add
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*/
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addTask(id: number, priority: number, queue: Packet | null, task: Task) {
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this.currentTcb = new TaskControlBlock(
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this.list,
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id,
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priority,
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queue,
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task,
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);
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this.list = this.currentTcb;
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this.blocks[id] = this.currentTcb;
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}
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/**
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* Execute the tasks managed by this scheduler.
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*/
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Scheduler.prototype.schedule = function () {
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this.currentTcb = this.list;
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while (this.currentTcb != null) {
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if (this.currentTcb.isHeldOrSuspended()) {
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this.currentTcb = this.currentTcb.link;
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} else {
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this.currentId = this.currentTcb.id;
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this.currentTcb = this.currentTcb.run();
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/**
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* Execute the tasks managed by this scheduler.
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*/
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schedule() {
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this.currentTcb = this.list;
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while (this.currentTcb != null) {
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if (this.currentTcb.isHeldOrSuspended()) {
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this.currentTcb = this.currentTcb.link;
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} else {
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this.currentId = this.currentTcb.id;
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this.currentTcb = this.currentTcb.run();
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}
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}
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}
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};
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/**
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* Release a task that is currently blocked and return the next block to run.
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* @param {int} id the id of the task to suspend
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*/
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Scheduler.prototype.release = function (id) {
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var tcb = this.blocks[id];
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if (tcb == null) return tcb;
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tcb.markAsNotHeld();
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if (tcb.priority > this.currentTcb.priority) {
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return tcb;
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} else {
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/**
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* Release a task that is currently blocked and return the next block to run.
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* @param {int} id the id of the task to suspend
|
||||
*/
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release(id: number) {
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var tcb = this.blocks[id];
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if (tcb == null) return tcb;
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tcb.markAsNotHeld();
|
||||
if (tcb.priority > this.currentTcb!.priority) {
|
||||
return tcb;
|
||||
} else {
|
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return this.currentTcb;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Block the currently executing task and return the next task control block
|
||||
* to run. The blocked task will not be made runnable until it is explicitly
|
||||
* released, even if new work is added to it.
|
||||
*/
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||||
holdCurrent() {
|
||||
this.holdCount++;
|
||||
this.currentTcb!.markAsHeld();
|
||||
return this.currentTcb!.link;
|
||||
}
|
||||
|
||||
/**
|
||||
* Suspend the currently executing task and return the next task control block
|
||||
* to run. If new work is added to the suspended task it will be made runnable.
|
||||
*/
|
||||
suspendCurrent() {
|
||||
this.currentTcb!.markAsSuspended();
|
||||
return this.currentTcb;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Block the currently executing task and return the next task control block
|
||||
* to run. The blocked task will not be made runnable until it is explicitly
|
||||
* released, even if new work is added to it.
|
||||
*/
|
||||
Scheduler.prototype.holdCurrent = function () {
|
||||
this.holdCount++;
|
||||
this.currentTcb.markAsHeld();
|
||||
return this.currentTcb.link;
|
||||
};
|
||||
|
||||
/**
|
||||
* Suspend the currently executing task and return the next task control block
|
||||
* to run. If new work is added to the suspended task it will be made runnable.
|
||||
*/
|
||||
Scheduler.prototype.suspendCurrent = function () {
|
||||
this.currentTcb.markAsSuspended();
|
||||
return this.currentTcb;
|
||||
};
|
||||
|
||||
/**
|
||||
* Add the specified packet to the end of the worklist used by the task
|
||||
* associated with the packet and make the task runnable if it is currently
|
||||
* suspended.
|
||||
* @param {Packet} packet the packet to add
|
||||
*/
|
||||
Scheduler.prototype.queue = function (packet) {
|
||||
var t = this.blocks[packet.id];
|
||||
if (t == null) return t;
|
||||
this.queueCount++;
|
||||
packet.link = null;
|
||||
packet.id = this.currentId;
|
||||
return t.checkPriorityAdd(this.currentTcb, packet);
|
||||
};
|
||||
/**
|
||||
* Add the specified packet to the end of the worklist used by the task
|
||||
* associated with the packet and make the task runnable if it is currently
|
||||
* suspended.
|
||||
* @param {Packet} packet the packet to add
|
||||
*/
|
||||
queue(packet: Packet) {
|
||||
var t = this.blocks[packet.id!];
|
||||
if (t == null) return t;
|
||||
this.queueCount++;
|
||||
packet.link = null;
|
||||
packet.id = this.currentId;
|
||||
return t.checkPriorityAdd(this.currentTcb, packet);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* A task control block manages a task and the queue of work packages associated
|
||||
* with it.
|
||||
* @param {TaskControlBlock} link the preceding block in the linked block list
|
||||
* @param {int} id the id of this block
|
||||
* @param {int} priority the priority of this block
|
||||
* @param {Packet} queue the queue of packages to be processed by the task
|
||||
* @param {Task} task the task
|
||||
* @constructor
|
||||
*/
|
||||
function TaskControlBlock(link, id, priority, queue, task) {
|
||||
this.link = link;
|
||||
this.id = id;
|
||||
this.priority = priority;
|
||||
this.queue = queue;
|
||||
this.task = task;
|
||||
if (queue == null) {
|
||||
this.state = STATE_SUSPENDED;
|
||||
} else {
|
||||
this.state = STATE_SUSPENDED_RUNNABLE;
|
||||
class TaskControlBlock {
|
||||
link: TaskControlBlock | null;
|
||||
id: number;
|
||||
priority: number;
|
||||
queue: Packet | null;
|
||||
task: Task;
|
||||
state: number;
|
||||
|
||||
/**
|
||||
* @param {TaskControlBlock} link the preceding block in the linked block list
|
||||
* @param {int} id the id of this block
|
||||
* @param {int} priority the priority of this block
|
||||
* @param {Packet} queue the queue of packages to be processed by the task
|
||||
* @param {Task} task the task
|
||||
* @constructor
|
||||
*/
|
||||
constructor(
|
||||
link: TaskControlBlock | null,
|
||||
id: number,
|
||||
priority: number,
|
||||
queue: Packet | null,
|
||||
task: Task,
|
||||
) {
|
||||
this.link = link;
|
||||
this.id = id;
|
||||
this.priority = priority;
|
||||
this.queue = queue;
|
||||
this.task = task;
|
||||
|
||||
if (queue == null) {
|
||||
this.state = 2 /* STATE_SUSPENDED */;
|
||||
} else {
|
||||
this.state = 3 /* STATE_SUSPENDED_RUNNABLE */;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* The task is running and is currently scheduled.
|
||||
*/
|
||||
// var STATE_RUNNING = 0;
|
||||
|
||||
/**
|
||||
* The task has packets left to process.
|
||||
*/
|
||||
// var STATE_RUNNABLE = 1;
|
||||
|
||||
/**
|
||||
* The task is not currently running. The task is not blocked as such and may
|
||||
* be started by the scheduler.
|
||||
*/
|
||||
// var STATE_SUSPENDED = 2;
|
||||
|
||||
/**
|
||||
* The task is blocked and cannot be run until it is explicitly released.
|
||||
*/
|
||||
// var STATE_HELD = 4;
|
||||
|
||||
// var STATE_SUSPENDED_RUNNABLE = 2 /* STATE_SUSPENDED */ | 1 /* STATE_RUNNABLE */;
|
||||
// var STATE_NOT_HELD = ~4 /* STATE_HELD */;
|
||||
|
||||
setRunning() {
|
||||
this.state = 0 /* STATE_RUNNING */;
|
||||
}
|
||||
|
||||
markAsNotHeld() {
|
||||
this.state = this.state & (-5) /* STATE_NOT_HELD */;
|
||||
}
|
||||
|
||||
markAsHeld() {
|
||||
this.state = this.state | 4 /* STATE_HELD */;
|
||||
}
|
||||
|
||||
isHeldOrSuspended() {
|
||||
return (this.state & 4 /* STATE_HELD */) != 0 ||
|
||||
(this.state == 2 /* STATE_SUSPENDED */);
|
||||
}
|
||||
|
||||
markAsSuspended() {
|
||||
this.state = this.state | 2 /* STATE_SUSPENDED */;
|
||||
}
|
||||
|
||||
markAsRunnable() {
|
||||
this.state = this.state | 1 /* STATE_RUNNABLE */;
|
||||
}
|
||||
|
||||
/**
|
||||
* Runs this task, if it is ready to be run, and returns the next task to run.
|
||||
*/
|
||||
run() {
|
||||
var packet;
|
||||
if (this.state == 3 /* STATE_SUSPENDED_RUNNABLE */) {
|
||||
packet = this.queue;
|
||||
this.queue = packet!.link;
|
||||
if (this.queue == null) {
|
||||
this.state = 0 /* STATE_RUNNING */;
|
||||
} else {
|
||||
this.state = 1 /* STATE_RUNNABLE */;
|
||||
}
|
||||
} else {
|
||||
packet = null;
|
||||
}
|
||||
return this.task.run(packet);
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds a packet to the worklist of this block's task, marks this as runnable if
|
||||
* necessary, and returns the next runnable object to run (the one
|
||||
* with the highest priority).
|
||||
*/
|
||||
checkPriorityAdd(task: TaskControlBlock, packet: Packet) {
|
||||
if (this.queue == null) {
|
||||
this.queue = packet;
|
||||
this.markAsRunnable();
|
||||
if (this.priority > task.priority) return this;
|
||||
} else {
|
||||
this.queue = packet.addTo(this.queue);
|
||||
}
|
||||
return task;
|
||||
}
|
||||
|
||||
toString() {
|
||||
return "tcb { " + this.task + "@" + this.state + " }";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* The task is running and is currently scheduled.
|
||||
*/
|
||||
var STATE_RUNNING = 0;
|
||||
|
||||
/**
|
||||
* The task has packets left to process.
|
||||
*/
|
||||
var STATE_RUNNABLE = 1;
|
||||
|
||||
/**
|
||||
* The task is not currently running. The task is not blocked as such and may
|
||||
* be started by the scheduler.
|
||||
*/
|
||||
var STATE_SUSPENDED = 2;
|
||||
|
||||
/**
|
||||
* The task is blocked and cannot be run until it is explicitly released.
|
||||
*/
|
||||
var STATE_HELD = 4;
|
||||
|
||||
var STATE_SUSPENDED_RUNNABLE = STATE_SUSPENDED | STATE_RUNNABLE;
|
||||
var STATE_NOT_HELD = ~STATE_HELD;
|
||||
|
||||
TaskControlBlock.prototype.setRunning = function () {
|
||||
this.state = STATE_RUNNING;
|
||||
};
|
||||
|
||||
TaskControlBlock.prototype.markAsNotHeld = function () {
|
||||
this.state = this.state & STATE_NOT_HELD;
|
||||
};
|
||||
|
||||
TaskControlBlock.prototype.markAsHeld = function () {
|
||||
this.state = this.state | STATE_HELD;
|
||||
};
|
||||
|
||||
TaskControlBlock.prototype.isHeldOrSuspended = function () {
|
||||
return (this.state & STATE_HELD) != 0 || (this.state == STATE_SUSPENDED);
|
||||
};
|
||||
|
||||
TaskControlBlock.prototype.markAsSuspended = function () {
|
||||
this.state = this.state | STATE_SUSPENDED;
|
||||
};
|
||||
|
||||
TaskControlBlock.prototype.markAsRunnable = function () {
|
||||
this.state = this.state | STATE_RUNNABLE;
|
||||
};
|
||||
|
||||
/**
|
||||
* Runs this task, if it is ready to be run, and returns the next task to run.
|
||||
*/
|
||||
TaskControlBlock.prototype.run = function () {
|
||||
var packet;
|
||||
if (this.state == STATE_SUSPENDED_RUNNABLE) {
|
||||
packet = this.queue;
|
||||
this.queue = packet.link;
|
||||
if (this.queue == null) {
|
||||
this.state = STATE_RUNNING;
|
||||
} else {
|
||||
this.state = STATE_RUNNABLE;
|
||||
}
|
||||
} else {
|
||||
packet = null;
|
||||
}
|
||||
return this.task.run(packet);
|
||||
};
|
||||
|
||||
/**
|
||||
* Adds a packet to the worklist of this block's task, marks this as runnable if
|
||||
* necessary, and returns the next runnable object to run (the one
|
||||
* with the highest priority).
|
||||
*/
|
||||
TaskControlBlock.prototype.checkPriorityAdd = function (task, packet) {
|
||||
if (this.queue == null) {
|
||||
this.queue = packet;
|
||||
this.markAsRunnable();
|
||||
if (this.priority > task.priority) return this;
|
||||
} else {
|
||||
this.queue = packet.addTo(this.queue);
|
||||
}
|
||||
return task;
|
||||
};
|
||||
|
||||
TaskControlBlock.prototype.toString = function () {
|
||||
return "tcb { " + this.task + "@" + this.state + " }";
|
||||
type Task = {
|
||||
run(packet: Packet | null): TaskControlBlock | null;
|
||||
toString(): string;
|
||||
};
|
||||
|
||||
/**
|
||||
* An idle task doesn't do any work itself but cycles control between the two
|
||||
* device tasks.
|
||||
* @param {Scheduler} scheduler the scheduler that manages this task
|
||||
* @param {int} v1 a seed value that controls how the device tasks are scheduled
|
||||
* @param {int} count the number of times this task should be scheduled
|
||||
* @constructor
|
||||
*/
|
||||
function IdleTask(scheduler, v1, count) {
|
||||
this.scheduler = scheduler;
|
||||
this.v1 = v1;
|
||||
this.count = count;
|
||||
}
|
||||
class IdleTask implements Task {
|
||||
scheduler: Scheduler;
|
||||
v1: number;
|
||||
count: number;
|
||||
|
||||
IdleTask.prototype.run = function (packet) {
|
||||
this.count--;
|
||||
if (this.count == 0) return this.scheduler.holdCurrent();
|
||||
if ((this.v1 & 1) == 0) {
|
||||
this.v1 = this.v1 >> 1;
|
||||
return this.scheduler.release(ID_DEVICE_A);
|
||||
} else {
|
||||
this.v1 = (this.v1 >> 1) ^ 0xD008;
|
||||
return this.scheduler.release(ID_DEVICE_B);
|
||||
/**
|
||||
* @param {Scheduler} scheduler the scheduler that manages this task
|
||||
* @param {int} v1 a seed value that controls how the device tasks are scheduled
|
||||
* @param {int} count the number of times this task should be scheduled
|
||||
*/
|
||||
constructor(scheduler: Scheduler, v1: number, count: number) {
|
||||
this.scheduler = scheduler;
|
||||
this.v1 = v1;
|
||||
this.count = count;
|
||||
}
|
||||
};
|
||||
|
||||
IdleTask.prototype.toString = function () {
|
||||
return "IdleTask";
|
||||
};
|
||||
run(_packet: Packet | null) {
|
||||
this.count--;
|
||||
if (this.count == 0) return this.scheduler.holdCurrent();
|
||||
if ((this.v1 & 1) == 0) {
|
||||
this.v1 = this.v1 >> 1;
|
||||
return this.scheduler.release(4 /* ID_DEVICE_A */);
|
||||
} else {
|
||||
this.v1 = (this.v1 >> 1) ^ 0xD008;
|
||||
return this.scheduler.release(5 /* ID_DEVICE_B */);
|
||||
}
|
||||
}
|
||||
|
||||
toString() {
|
||||
return "IdleTask";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* A task that suspends itself after each time it has been run to simulate
|
||||
* waiting for data from an external device.
|
||||
* @param {Scheduler} scheduler the scheduler that manages this task
|
||||
* @constructor
|
||||
*/
|
||||
function DeviceTask(scheduler) {
|
||||
this.scheduler = scheduler;
|
||||
this.v1 = null;
|
||||
}
|
||||
class DeviceTask implements Task {
|
||||
scheduler: Scheduler;
|
||||
v1: Packet | null;
|
||||
|
||||
DeviceTask.prototype.run = function (packet) {
|
||||
if (packet == null) {
|
||||
if (this.v1 == null) return this.scheduler.suspendCurrent();
|
||||
var v = this.v1;
|
||||
/**
|
||||
* @param {Scheduler} scheduler the scheduler that manages this task
|
||||
* @constructor
|
||||
*/
|
||||
constructor(scheduler: Scheduler) {
|
||||
this.scheduler = scheduler;
|
||||
this.v1 = null;
|
||||
return this.scheduler.queue(v);
|
||||
} else {
|
||||
this.v1 = packet;
|
||||
return this.scheduler.holdCurrent();
|
||||
}
|
||||
};
|
||||
|
||||
DeviceTask.prototype.toString = function () {
|
||||
return "DeviceTask";
|
||||
};
|
||||
run(packet: Packet | null) {
|
||||
if (packet == null) {
|
||||
if (this.v1 == null) return this.scheduler.suspendCurrent();
|
||||
var v = this.v1;
|
||||
this.v1 = null;
|
||||
return this.scheduler.queue(v);
|
||||
} else {
|
||||
this.v1 = packet;
|
||||
return this.scheduler.holdCurrent();
|
||||
}
|
||||
}
|
||||
|
||||
toString() {
|
||||
return "DeviceTask";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* A task that manipulates work packets.
|
||||
* @param {Scheduler} scheduler the scheduler that manages this task
|
||||
* @param {int} v1 a seed used to specify how work packets are manipulated
|
||||
* @param {int} v2 another seed used to specify how work packets are manipulated
|
||||
* @constructor
|
||||
*/
|
||||
function WorkerTask(scheduler, v1, v2) {
|
||||
this.scheduler = scheduler;
|
||||
this.v1 = v1;
|
||||
this.v2 = v2;
|
||||
}
|
||||
class WorkerTask implements Task {
|
||||
scheduler: Scheduler;
|
||||
v1: number;
|
||||
v2: number;
|
||||
|
||||
WorkerTask.prototype.run = function (packet) {
|
||||
if (packet == null) {
|
||||
return this.scheduler.suspendCurrent();
|
||||
} else {
|
||||
if (this.v1 == ID_HANDLER_A) {
|
||||
this.v1 = ID_HANDLER_B;
|
||||
} else {
|
||||
this.v1 = ID_HANDLER_A;
|
||||
}
|
||||
packet.id = this.v1;
|
||||
packet.a1 = 0;
|
||||
for (var i = 0; i < DATA_SIZE; i++) {
|
||||
this.v2++;
|
||||
if (this.v2 > 26) this.v2 = 1;
|
||||
packet.a2[i] = this.v2;
|
||||
}
|
||||
return this.scheduler.queue(packet);
|
||||
/**
|
||||
* @param {Scheduler} scheduler the scheduler that manages this task
|
||||
* @param {int} v1 a seed used to specify how work packets are manipulated
|
||||
* @param {int} v2 another seed used to specify how work packets are manipulated
|
||||
* @constructor
|
||||
*/
|
||||
constructor(scheduler: Scheduler, v1: number, v2: number) {
|
||||
this.scheduler = scheduler;
|
||||
this.v1 = v1;
|
||||
this.v2 = v2;
|
||||
}
|
||||
};
|
||||
|
||||
WorkerTask.prototype.toString = function () {
|
||||
return "WorkerTask";
|
||||
};
|
||||
run(packet: Packet | null) {
|
||||
if (packet == null) {
|
||||
return this.scheduler.suspendCurrent();
|
||||
} else {
|
||||
if (this.v1 == 2 /* ID_HANDLER_A */) {
|
||||
this.v1 = 3 /* ID_HANDLER_B */;
|
||||
} else {
|
||||
this.v1 = 2 /* ID_HANDLER_A */;
|
||||
}
|
||||
packet.id = this.v1;
|
||||
packet.a1 = 0;
|
||||
for (var i = 0; i < 4 /* DATA_SIZE */; i++) {
|
||||
this.v2++;
|
||||
if (this.v2 > 26) this.v2 = 1;
|
||||
packet.a2[i] = this.v2;
|
||||
}
|
||||
return this.scheduler.queue(packet);
|
||||
}
|
||||
}
|
||||
|
||||
toString() {
|
||||
return "WorkerTask";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* A task that manipulates work packets and then suspends itself.
|
||||
* @param {Scheduler} scheduler the scheduler that manages this task
|
||||
* @constructor
|
||||
*/
|
||||
function HandlerTask(scheduler) {
|
||||
this.scheduler = scheduler;
|
||||
this.v1 = null;
|
||||
this.v2 = null;
|
||||
}
|
||||
class HandlerTask {
|
||||
scheduler: Scheduler;
|
||||
v1: Packet | null;
|
||||
v2: Packet | null;
|
||||
|
||||
HandlerTask.prototype.run = function (packet) {
|
||||
if (packet != null) {
|
||||
if (packet.kind == KIND_WORK) {
|
||||
this.v1 = packet.addTo(this.v1);
|
||||
} else {
|
||||
this.v2 = packet.addTo(this.v2);
|
||||
}
|
||||
/**
|
||||
* @param {Scheduler} scheduler the scheduler that manages this task
|
||||
* @constructor
|
||||
*/
|
||||
constructor(scheduler: Scheduler) {
|
||||
this.scheduler = scheduler;
|
||||
this.v1 = null;
|
||||
this.v2 = null;
|
||||
}
|
||||
if (this.v1 != null) {
|
||||
var count = this.v1.a1;
|
||||
var v;
|
||||
if (count < DATA_SIZE) {
|
||||
if (this.v2 != null) {
|
||||
v = this.v2;
|
||||
this.v2 = this.v2.link;
|
||||
v.a1 = this.v1.a2[count];
|
||||
this.v1.a1 = count + 1;
|
||||
|
||||
run(packet: Packet | null) {
|
||||
if (packet != null) {
|
||||
if (packet.kind == 1 /* KIND_WORK */) {
|
||||
this.v1 = packet.addTo(this.v1);
|
||||
} else {
|
||||
this.v2 = packet.addTo(this.v2);
|
||||
}
|
||||
}
|
||||
if (this.v1 != null) {
|
||||
var count = this.v1.a1;
|
||||
var v;
|
||||
if (count < 4 /* DATA_SIZE */) {
|
||||
if (this.v2 != null) {
|
||||
v = this.v2;
|
||||
this.v2 = this.v2.link;
|
||||
v.a1 = this.v1.a2[count];
|
||||
this.v1.a1 = count + 1;
|
||||
return this.scheduler.queue(v);
|
||||
}
|
||||
} else {
|
||||
v = this.v1;
|
||||
this.v1 = this.v1.link;
|
||||
return this.scheduler.queue(v);
|
||||
}
|
||||
} else {
|
||||
v = this.v1;
|
||||
this.v1 = this.v1.link;
|
||||
return this.scheduler.queue(v);
|
||||
}
|
||||
return this.scheduler.suspendCurrent();
|
||||
}
|
||||
return this.scheduler.suspendCurrent();
|
||||
};
|
||||
|
||||
HandlerTask.prototype.toString = function () {
|
||||
return "HandlerTask";
|
||||
};
|
||||
toString() {
|
||||
return "HandlerTask";
|
||||
}
|
||||
}
|
||||
|
||||
/* --- *
|
||||
* P a c k e t
|
||||
* --- */
|
||||
class Packet {
|
||||
// var DATA_SIZE = 4;
|
||||
|
||||
var DATA_SIZE = 4;
|
||||
/**
|
||||
* A simple package of data that is manipulated by the tasks. The exact layout
|
||||
* of the payload data carried by a packet is not importaint, and neither is the
|
||||
* nature of the work performed on packets by the tasks.
|
||||
*
|
||||
* Besides carrying data, packets form linked lists and are hence used both as
|
||||
* data and worklists.
|
||||
* @param {Packet} link the tail of the linked list of packets
|
||||
* @param {int} id an ID for this packet
|
||||
* @param {int} kind the type of this packet
|
||||
* @constructor
|
||||
*/
|
||||
|
||||
/**
|
||||
* A simple package of data that is manipulated by the tasks. The exact layout
|
||||
* of the payload data carried by a packet is not importaint, and neither is the
|
||||
* nature of the work performed on packets by the tasks.
|
||||
*
|
||||
* Besides carrying data, packets form linked lists and are hence used both as
|
||||
* data and worklists.
|
||||
* @param {Packet} link the tail of the linked list of packets
|
||||
* @param {int} id an ID for this packet
|
||||
* @param {int} kind the type of this packet
|
||||
* @constructor
|
||||
*/
|
||||
function Packet(link, id, kind) {
|
||||
this.link = link;
|
||||
this.id = id;
|
||||
this.kind = kind;
|
||||
this.a1 = 0;
|
||||
this.a2 = new Array(DATA_SIZE);
|
||||
link: Packet | null;
|
||||
id: number | null;
|
||||
kind: number;
|
||||
a1: number;
|
||||
a2: number[];
|
||||
|
||||
constructor(link: Packet | null, id: number, kind: number) {
|
||||
this.link = link;
|
||||
this.id = id;
|
||||
this.kind = kind;
|
||||
this.a1 = 0;
|
||||
this.a2 = new Array(4 /* DATA_SIZE */);
|
||||
}
|
||||
|
||||
/**
|
||||
* Add this packet to the end of a worklist, and return the worklist.
|
||||
* @param {Packet} queue the worklist to add this packet to
|
||||
*/
|
||||
addTo(queue: Packet | null) {
|
||||
this.link = null;
|
||||
if (queue == null) return this;
|
||||
var peek, next = queue;
|
||||
while ((peek = next.link) != null) {
|
||||
next = peek;
|
||||
}
|
||||
next.link = this;
|
||||
return queue;
|
||||
}
|
||||
|
||||
toString() {
|
||||
return "Packet";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Add this packet to the end of a worklist, and return the worklist.
|
||||
* @param {Packet} queue the worklist to add this packet to
|
||||
*/
|
||||
Packet.prototype.addTo = function (queue) {
|
||||
this.link = null;
|
||||
if (queue == null) return this;
|
||||
var peek, next = queue;
|
||||
while ((peek = next.link) != null) {
|
||||
next = peek;
|
||||
}
|
||||
next.link = this;
|
||||
return queue;
|
||||
};
|
||||
|
||||
Packet.prototype.toString = function () {
|
||||
return "Packet";
|
||||
};
|
||||
runRichards();
|
||||
|
||||
Reference in New Issue
Block a user