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63 lines
2.8 KiB
63 lines
2.8 KiB
"use strict"; |
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { |
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } |
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return new (P || (P = Promise))(function (resolve, reject) { |
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } |
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } |
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } |
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step((generator = generator.apply(thisArg, _arguments || [])).next()); |
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}); |
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}; |
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Object.defineProperty(exports, "__esModule", { value: true }); |
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const RpcMessage_1 = require("./RpcMessage"); |
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function createRpcService(port) { |
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const handlers = new Map(); |
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let isListenerRegistered = false; |
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const callListener = (message) => __awaiter(this, void 0, void 0, function* () { |
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if (RpcMessage_1.isRpcCallMessage(message)) { |
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const handler = handlers.get(message.procedure); |
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try { |
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if (!handler) { |
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throw new Error(`No handler found for procedure ${message.procedure}.`); |
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} |
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const result = yield handler(message.payload); |
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yield port.dispatchMessage(RpcMessage_1.createRpcReturn(message.procedure, message.id, result)); |
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} |
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catch (error) { |
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yield port.dispatchMessage(RpcMessage_1.createRpcThrow(message.procedure, message.id, { |
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message: error.toString(), |
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stack: error.stack, |
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})); |
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} |
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} |
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}); |
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return { |
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isOpen: () => port.isOpen() && isListenerRegistered, |
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open: () => __awaiter(this, void 0, void 0, function* () { |
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if (!port.isOpen()) { |
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yield port.open(); |
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} |
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if (!isListenerRegistered) { |
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port.addMessageListener(callListener); |
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isListenerRegistered = true; |
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} |
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}), |
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close: () => __awaiter(this, void 0, void 0, function* () { |
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if (isListenerRegistered) { |
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port.removeMessageListener(callListener); |
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isListenerRegistered = false; |
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} |
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if (port.isOpen()) { |
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yield port.close(); |
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} |
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}), |
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addCallHandler: (procedure, handler) => { |
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if (handlers.has(procedure)) { |
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throw new Error(`Handler for '${procedure}' procedure has been already registered`); |
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} |
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handlers.set(procedure, handler); |
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}, |
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removeCallHandler: (procedure) => handlers.delete(procedure), |
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}; |
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} |
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exports.createRpcService = createRpcService;
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