43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
const CONTROL_COMMANDS = Object.freeze({
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run: "PROGRAM_RUN",
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pause: "PROGRAM_PAUSE",
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resume: "PROGRAM_RESUME",
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abort: "PROGRAM_ABORT",
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mdi: "COMMAND",
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jogStart: "JOG_START",
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jogStop: "JOG_STOP",
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home: "HOME",
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override: "SET_OVERRIDE",
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estop: "ESTOP",
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recover: "IO_RECOVER",
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});
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function operationId(kind, payload, counter) {
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const identity = JSON.stringify(payload, Object.keys(payload ?? {}).sort()).replace(/[^A-Za-z0-9]+/g, "-").slice(0, 40);
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return `ui-${kind.toLowerCase()}-${counter}${identity ? `-${identity}` : ""}`;
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}
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export class CommandController {
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constructor(client) {
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if (!client || typeof client.send !== "function") throw new Error("command_client_required");
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this.client = client;
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this.counter = 0;
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this.busy = new Set();
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}
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async execute(action, payload = {}, { operationId: supplied = null } = {}) {
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const kind = CONTROL_COMMANDS[action];
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if (!kind) throw new Error("command_action_unknown");
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const id = supplied ?? operationId(kind, payload, ++this.counter);
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if (this.busy.has(id)) throw new Error("command_operation_busy");
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this.busy.add(id);
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try {
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return await this.client.send(kind, payload, { operationId: id });
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} finally {
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this.busy.delete(id);
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}
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}
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}
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export { CONTROL_COMMANDS };
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