Jędrzej Stuczyński
825791f2c7
* Added builder to wasm client * missing wasm_bindgen macros * Added constructor macro on GatewayEndpointConfig * Attempting to use updated wasm client api * Removing dead code * Exposed other messages types in wasm client * cleanup in js-example * Changed 'self_address' to be a method call * Removed needless borrow when cloning an Arc * Improving arguments in 'on_message' callback * fixed wasm-client dependency/features
101 lines
3.2 KiB
JavaScript
101 lines
3.2 KiB
JavaScript
// Copyright 2020-2022 Nym Technologies SA
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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importScripts('nym_client_wasm.js');
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console.log('Initializing worker');
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// wasm_bindgen creates a global variable (with the exports attached) that is in scope after `importScripts`
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const { default_debug, NymClientBuilder, set_panic_hook, Config, GatewayEndpointConfig } = wasm_bindgen;
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let client = null;
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async function main() {
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// load WASM package
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await wasm_bindgen('nym_client_wasm_bg.wasm');
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console.log('Loaded WASM');
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// sets up better stack traces in case of in-rust panics
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set_panic_hook();
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// validator server we will use to get topology from
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const validator = 'https://qwerty-validator-api.qa.nymte.ch/api';
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const gatewayId = 'EVupP2tRUeZo5Y6RpBHAbm8kSntpgNyZNL6yCr7BDEoG';
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const gatewayOwner = 'n1rmlew3euapuq7rs4s4j9apv00whrsazr764kl7';
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const gatewayListener = 'ws://176.58.120.72:9000';
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const gatewayEndpoint = new GatewayEndpointConfig(gatewayId, gatewayOwner, gatewayListener)
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// only really useful if you want to adjust some settings like traffic rate
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// (if not needed you can just pass a null)
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const debug = default_debug();
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debug.disable_main_poisson_packet_distribution = true;
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debug.disable_loop_cover_traffic_stream = true;
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debug.use_extended_packet_size = true;
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// debug.average_packet_delay_ms = BigInt(10);
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// debug.average_ack_delay_ms = BigInt(10);
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// debug.ack_wait_addition_ms = BigInt(3000);
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// debug.ack_wait_multiplier = 10;
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debug.topology_refresh_rate_ms = BigInt(60000)
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const config = new Config('my-awesome-wasm-client', validator, gatewayEndpoint, debug);
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const onMessageHandler = (message) => {
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self.postMessage({
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kind: 'ReceiveMessage',
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args: {
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message,
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},
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});
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};
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console.log('Instantiating WASM client...');
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let clientBuilder = new NymClientBuilder(config, onMessageHandler)
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console.log('Web worker creating WASM client...');
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let local_client = await clientBuilder.start_client();
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console.log('WASM client running!');
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const selfAddress = local_client.self_address();
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// set the global (I guess we don't have to anymore?)
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client = local_client;
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console.log(`Client address is ${selfAddress}`);
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self.postMessage({
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kind: 'Ready',
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args: {
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selfAddress,
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},
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});
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// Set callback to handle messages passed to the worker.
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self.onmessage = async event => {
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if (event.data && event.data.kind) {
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switch (event.data.kind) {
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case 'SendMessage': {
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const { message, recipient } = event.data.args;
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let uint8Array = new TextEncoder().encode(message);
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await client.send_regular_message(uint8Array, recipient);
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}
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}
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}
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};
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}
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// Let's get started!
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main(); |