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77 lines
2.6 KiB
JavaScript
77 lines
2.6 KiB
JavaScript
/* jshint esversion: 6 */
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const WebSocketServer = require('ws').Server;
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const NetfluxSrv = require('chainpad-server');
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const Decrees = require("./decrees");
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const nThen = require("nthen");
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const Fs = require("fs");
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const Path = require("path");
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module.exports.create = function (Env) {
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var log = Env.Log;
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nThen(function (w) {
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Decrees.load(Env, w(function (err) {
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Env.flushCache();
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if (err) {
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log.error('DECREES_LOADING', {
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error: err.code || err,
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message: err.message,
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});
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console.error(err);
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}
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}));
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}).nThen(function (w) {
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var fullPath = Path.join(Env.paths.block, 'placeholder.txt');
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Fs.writeFile(fullPath, 'PLACEHOLDER\n', w());
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}).nThen(function () {
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// asynchronously create a historyKeeper and RPC together
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require('./historyKeeper.js').create(Env, function (err, historyKeeper) {
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if (err) { throw err; }
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var noop = function () {};
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var special_errors = {};
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['EPIPE', 'ECONNRESET'].forEach(function (k) { special_errors[k] = noop; });
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special_errors.NF_ENOENT = function (error, label, info) {
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delete info.stack;
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log.error(label, {
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info: info,
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});
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};
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// spawn ws server and attach netflux event handlers
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NetfluxSrv.create(new WebSocketServer({ server: Env.httpServer}))
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.on('channelClose', historyKeeper.channelClose)
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.on('channelMessage', historyKeeper.channelMessage)
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.on('channelOpen', historyKeeper.channelOpen)
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.on('sessionClose', historyKeeper.sessionClose)
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.on('error', function (error, label, info) {
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if (!error) { return; }
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var code = error && (error.code || error.message);
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if (code) {
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/* EPIPE,ECONNERESET, NF_ENOENT */
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if (typeof(special_errors[code]) === 'function') {
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return void special_errors[code](error, label, info);
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}
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}
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/* labels:
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SEND_MESSAGE_FAIL, SEND_MESSAGE_FAIL_2, FAIL_TO_DISCONNECT,
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FAIL_TO_TERMINATE, HANDLE_CHANNEL_LEAVE, NETFLUX_BAD_MESSAGE,
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NETFLUX_WEBSOCKET_ERROR
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*/
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log.error(label, {
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code: error.code,
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message: error.message,
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stack: error.stack,
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info: info,
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});
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})
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.register(historyKeeper.id, historyKeeper.directMessage);
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});
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});
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};
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