begin refactor for shared socket with many dbs
This commit is contained in:
AJ ONeal
parent
d80eb63c13
commit
3b0b2f7097
264
client.js
264
client.js
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@ -1,54 +1,73 @@
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'use strict';
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/*global Promise*/
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// I'm not a fan of singletons (as they are EVIL).
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// However, this module is, by intent, meant to
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// represent a worker process in a cluster.
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// Thus, it is appropriately a singleton.
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var processWebSocket;
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var promiseWebSocket;
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var PromiseA = Promise;
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try {
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PromiseA = require('bluebird').Promise;
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} catch(e) {
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console.warn("For better Promise support please use bluebird");
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function startServer(opts, verbs, myServer) {
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if (myServer) {
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return verbs.Promise.resolve(myServer);
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}
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// TODO iterate over the prototype
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// translate request / response
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var sqlite3real = require('sqlite3');
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/*
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function createConnection(opts) {
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var server = ;
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return server.create(opts).then(function () {
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// created and listening
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});
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}
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*/
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function startServer(opts) {
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return require('./server').create(opts).then(function (server) {
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return require('./server').create(opts, verbs).then(function (server) {
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// this process doesn't need to connect to itself
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// through a socket
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return server.masterClient;
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});
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}
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function getConnection(opts) {
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return new PromiseA(function (resolve) {
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// connection is scoped per-process, nothing more
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function getConnection(opts, verbs, mySocket) {
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function incr(ws) {
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if (!ws.__count) {
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ws.__count = 0;
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}
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ws.__count += 1;
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return ws;
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}
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if (mySocket || processWebSocket) {
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promiseWebSocket = verbs.Promise.resolve(mySocket || processWebSocket);
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return promiseWebSocket.then(incr);
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}
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if (promiseWebSocket) {
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return promiseWebSocket.then(incr);
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}
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promiseWebSocket = new verbs.Promise(function (resolve) {
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//setTimeout(function () {
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var WebSocket = require('ws');
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var ws = new WebSocket('ws+unix:' + opts.sock);
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// TODO how to include path and such?
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// http://unix:/absolute/path/to/unix.socket:/request/path
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// https://github.com/websockets/ws/issues/236
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var address = require('url').parse('ws+unix:' + opts.sock);
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var ws;
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address.pathname = opts.sock;
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address.path = '/' + require('cluster').worker.id + '/' + opts.ipcKey;
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address.query = {
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ipcKey: opts.ipcKey
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, ipc_key: opts.ipcKey
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, worker_id: require('cluster').worker.id
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};
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address.path += '?' + require('querystring').stringify(address.query);
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ws = new WebSocket(address);
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ws.on('error', function (err) {
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console.error('[ERROR] ws connection failed, retrying');
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console.error(err);
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console.error(err.stack);
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function retry() {
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// TODO eventually throw up
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setTimeout(function () {
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getConnection(opts).then(resolve, retry);
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getConnection(opts, verbs, mySocket).then(resolve, retry);
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}, 100 + (Math.random() * 250));
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}
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if (!opts.connect && ('ENOENT' === err.code || 'ECONNREFUSED' === err.code)) {
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console.log('[NO SERVER] attempting to create a server #######################');
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return startServer(opts).then(function (client) {
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return startServer(opts, verbs).then(function (client) {
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// ws.masterClient = client;
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resolve({ masterClient: client });
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}, function (err) {
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@ -62,25 +81,128 @@ function getConnection(opts) {
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});
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ws.on('open', function () {
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resolve(ws);
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});
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//}, 100 + (Math.random() * 250));
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}).then(function (ws) {
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if (!processWebSocket) {
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processWebSocket = ws;
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}
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return ws;
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});
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return promiseWebSocket.then(incr);
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}
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module.exports.createClientFactory = function (conf, verbs, _socket) {
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// TODO distinguish between defaults and mandates
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if (!conf.ipcKey) {
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throw new Error("[E_NO_IPCKEY] Your config must specify an ipcKey.");
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}
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return {
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create: function (opts, _s) {
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var copy = {};
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if (_socket && _s) {
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throw new Error("[E_USR_SOCKET] Your parent has decided that you may not choose your own SOCKET. Don't get mad at me, take it up with them.");
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}
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if (opts.dirname && conf.dirname) {
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throw new Error("[E_USR_TENANT] Your parent has decided that you may not choose your own TENANT. Don't get mad at me, take it up with them.");
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}
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if (opts.tenant && conf.tenant) {
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throw new Error("[E_USR_TENANT] Your parent has decided that you may not choose your own TENANT. Don't get mad at me, take it up with them.");
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}
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if (opts.prefix && conf.prefix) {
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throw new Error("[E_USR_PREFIX] Your parent has decided that you may not choose your own PREFIX. Don't get mad at me, take it up with them.");
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}
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if (opts.suffix && conf.suffix) {
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throw new Error("[E_USR_SUFFIX] Your parent has decided that you may not choose your own SUFFIX. Don't get mad at me, take it up with them.");
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}
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if (opts.ext && conf.ext) {
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throw new Error("[E_USR_EXT] Your parent has decided that you may not choose your own EXT. Don't get mad at me, take it up with them.");
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}
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if (opts.serve) {
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throw new Error("[E_USR_SERVE] Your parent have forbidden you to SERVE. Don't get mad at me, take it up with them.");
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}
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if (opts.sock && conf.sock) {
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throw new Error("[E_USR_SERVE] Your parent have forbidden you to choose your own SOCK. Don't get mad at me, take it up with them.");
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}
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Object.keys(conf).forEach(function (key) {
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copy[key] = conf[key];
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});
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Object.keys(opts).forEach(function (key) {
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copy[key] = opts[key];
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});
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if (!verbs) {
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verbs = {
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Promise: null
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};
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}
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if (!verbs.Promise) {
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verbs.Promise = require('bluebird');
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}
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copy.connect = true;
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copy.sock = conf.sock;
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copy.tenant = conf.tenant;
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copy.ipcKey = conf.ipcKey;
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return module.exports.create(copy, verbs, _socket || _s || processWebSocket);
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}
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};
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};
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module.exports.create = function (opts, verbs, mySocket) {
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if (!verbs) {
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verbs = {};
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}
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var PromiseA = verbs && verbs.Promise || require('bluebird');
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verbs.Promise = PromiseA;
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// TODO iterate over the prototype
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// translate request / response
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var sqlite3real = require('sqlite3');
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if (!mySocket) {
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mySocket = processWebSocket;
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}
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function create(opts) {
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if (!opts.sock) {
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opts.sock = opts.filename + '.sock';
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if (!opts.tenant) {
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opts.tenant = "";
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}
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if (!opts.subtenant) {
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opts.subtenant = "";
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}
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if (!opts.prefix) {
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opts.prefix = '';
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}
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if (!opts.suffix) {
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opts.suffix = '';
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}
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if (!opts.ext) {
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opts.ext = '.sqlite3'; // also .sqlcipher
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}
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if (!opts.dbname) {
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throw new Error("Please specify opts.dbname as the name of the database");
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}
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var promise;
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var numcpus = require('os').cpus().length;
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// if we're only on one core, use the lib directly, no socket
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if (opts.standalone || (1 === numcpus && !opts.serve && !opts.connect)) {
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return require('./wrapper').create(opts);
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return require('./wrapper').create(opts, verbs);
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}
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function retryServe() {
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return startServer(opts).then(function (client) {
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return startServer(opts, verbs).then(function (client) {
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// ws.masterClient = client;
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return { masterClient: client };
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}, function (err) {
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@ -90,41 +212,71 @@ function create(opts) {
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});
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}
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if (!opts.sock) {
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throw new Error("Please specify opts.sock as the path to the master socket. '/tmp/sqlite3-cluster' would do nicely.");
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}
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if (opts.serve) {
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promise = retryServe();
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promise = retryServe(opts);
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} else {
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promise = getConnection(opts);
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promise = getConnection(opts, verbs, mySocket).then(function (socket) {
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mySocket = socket;
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return mySocket;
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});
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}
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/*
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if (opts.connect) {
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}
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*/
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// TODO maybe use HTTP POST instead?
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return promise.then(function (ws) {
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if (ws.masterClient) {
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// for the server
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return ws.masterClient;
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}
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var db = {};
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var proto = sqlite3real.Database.prototype;
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var messages = [];
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var idprefix = require('crypto').randomBytes(12).toString('base64');
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var idcount = 0;
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function genId() {
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idcount += 1;
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return idprefix + idcount;
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}
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function init(opts) {
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return new PromiseA(function (resolve, reject) {
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var id = Math.random();
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// TODO needs to reject by a timeout
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var id = genId();
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ws.send(JSON.stringify({
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type: 'init'
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, args: [opts]
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, func: 'init'
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, filename: opts.filename
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, dirname: opts.dirname
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, prefix: opts.prefix
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, subtenant: opts.subtenant
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, tenant: opts.tenant
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, dbname: opts.dbname
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, suffix: opts.suffix
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, ext: opts.ext
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, id: id
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}));
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function onMessage(data) {
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var cmd;
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if (
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(data.dbname !== opts.dbname)
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|| (data.dirname !== opts.dirname)
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|| (data.prefix !== opts.prefix)
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|| (data.subtenant !== opts.subtenant)
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|| (data.tenant !== opts.tenant)
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|| (data.suffix !== opts.suffix)
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|| (data.ext !== opts.ext)
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) {
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return reject(new Error("suxors to rejexors"));
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}
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try {
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cmd = JSON.parse(data.toString('utf8'));
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} catch(e) {
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@ -133,11 +285,12 @@ function create(opts) {
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console.error(data);
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console.error();
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//ws.send(JSON.stringify({ type: 'error', value: { message: e.message, code: "E_PARSE_JSON" } }));
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return;
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// ignore this message, it came out of order
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return reject(new Error("suxors to rejexors"));
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}
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if (cmd.id !== id) {
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// ignore this message, it came out of order
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return;
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}
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@ -151,7 +304,10 @@ function create(opts) {
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reject(cmd.args[0]);
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return;
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}
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//console.log('RESOLVING INIT');
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resolve(cmd.args[0]);
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return;
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}
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messages.push(onMessage);
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@ -163,7 +319,7 @@ function create(opts) {
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var cb;
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if ('function' === typeof args[args.length - 1]) {
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id = Math.random();
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id = genId();
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cb = args.pop();
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}
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@ -171,7 +327,13 @@ function create(opts) {
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type: 'rpc'
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, func: fname
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, args: args
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, filename: opts.filename
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, dirname: opts.dirname
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, prefix: opts.prefix
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, subtenant: opts.subtenant
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, tenant: opts.tenant
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, dbname: opts.dbname
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, suffix: opts.suffix
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, ext: opts.ext
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, id: id
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}));
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@ -195,12 +357,14 @@ function create(opts) {
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}
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if (cmd.id !== id) {
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// ignore this message, it probably came out of order
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return;
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}
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if (cmd.self) {
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cmd.args = [db];
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}
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//console.log('RESOLVING RPC', cmd.this, cmd.args);
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cb.apply(cmd.this, cmd.args);
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if ('on' !== fname) {
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@ -246,11 +410,21 @@ function create(opts) {
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throw new Error('NOT IMPLEMENTED in SQLITE3-remote');
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};
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db.close = function (fn) {
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ws.__count -= 1;
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if (!ws.__count) {
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// waiting for https://github.com/websockets/ws/issues/613 to land
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// 1000 means 'normal' https://github.com/websockets/ws/blob/master/lib/ErrorCodes.js
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ws.close(1000, null, fn);
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}
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};
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return db;
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});
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}
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return create(opts);
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};
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module.exports.sanitize = require('./wrapper').sanitize;
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module.exports.escape = require('./wrapper').escape;
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module.exports.create = create;
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63
server.js
63
server.js
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@ -1,41 +1,58 @@
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'use strict';
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/*global Promise*/
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var PromiseA = Promise;
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try {
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PromiseA = require('bluebird').Promise;
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} catch(e) {
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console.warn("For better Promise support please use bluebird");
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}
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var PromiseA = require('bluebird').Promise;
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var wsses = {};
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function createApp(server, options) {
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if (wsses[options.filename]) {
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return PromiseA.resolve(wsses[options.filename]);
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function createApp(servers, options) {
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if (wsses[options.sock]) {
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return PromiseA.resolve(wsses[options.sock]);
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}
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return require('./wrapper').create(options).then(function (db) {
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var url = require('url');
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//var express = require('express');
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//var app = express();
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var wss = server.wss;
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var wss = servers.wss;
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var server = servers.server;
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function app(req, res) {
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res.end('NOT IMPLEMENTED');
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}
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wss.on('connection', function (ws) {
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if (!wss.__count) {
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wss.__count = 0;
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}
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wss.__count += 1;
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var location = url.parse(ws.upgradeReq.url, true);
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// you might use location.query.access_token to authenticate or share sessions
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// or ws.upgradeReq.headers.cookie (see http://stackoverflow.com/a/16395220/151312
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ws.__session_id = location.query.session_id || Math.random();
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if (!options.ipcKey) {
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console.warn("[SECURITY] please include { ipcKey: crypto.randomBytes(16).toString('base64') }"
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+ " in your options and pass it from master to worker processes with worker.send()");
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ws._authorized = true;
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} else {
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ws._authorized = (options.ipcKey === (location.query.ipcKey || location.query.ipc_key));
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}
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if (!ws._authorized) {
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ws.send(JSON.stringify({ error: { message: "Unauthorized: ipc_key does not match", code: 'E_UNAUTHORIZED_IPCKEY' } }));
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ws.close();
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return;
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}
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ws.on('close', function () {
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wss.__count -= 1;
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if (!wss.__count) {
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wss.close();
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server.close();
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}
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});
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ws.on('message', function (buffer) {
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var cmd;
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var promise;
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try {
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cmd = JSON.parse(buffer.toString('utf8'));
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|
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@ -48,6 +65,9 @@ function createApp(server, options) {
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return;
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}
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// caching and create logic happens in the wrapper stored here below
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promise = require('./wrapper').create(options, cmd).then(function (db) {
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switch(cmd.type) {
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case 'init':
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db[cmd.func].apply(db, cmd.args).then(function () {
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|
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@ -59,6 +79,7 @@ function createApp(server, options) {
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myself = true;
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}
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//console.log('[INIT HAPPENING]');
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ws.send(JSON.stringify({
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id: cmd.id
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, self: myself
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|
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@ -70,6 +91,7 @@ function createApp(server, options) {
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case 'rpc':
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if (!db._initialized) {
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//console.log('[RPC NOT HAPPENING]');
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ws.send(JSON.stringify({
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type: 'error'
|
||||
, id: cmd.id
|
||||
|
|
@ -88,6 +110,7 @@ function createApp(server, options) {
|
|||
myself = true;
|
||||
}
|
||||
|
||||
//console.log('[RPC HAPPENING]', args, cmd.id);
|
||||
ws.send(JSON.stringify({
|
||||
this: (!err && this !== global) ? this : {}
|
||||
, args: args
|
||||
|
|
@ -106,15 +129,13 @@ function createApp(server, options) {
|
|||
}
|
||||
|
||||
});
|
||||
|
||||
ws.send(JSON.stringify({ type: 'session', value: ws.__session_id }));
|
||||
});
|
||||
});
|
||||
|
||||
app.masterClient = db;
|
||||
wsses[options.filename] = app;
|
||||
//app.masterClient = db;
|
||||
wsses[options.sock] = app;
|
||||
|
||||
return app;
|
||||
});
|
||||
return PromiseA.resolve(app);
|
||||
}
|
||||
|
||||
function create(options) {
|
||||
|
|
@ -136,7 +157,7 @@ function create(options) {
|
|||
|
||||
ps.push(createApp({ server: server, wss: wss }, options).then(function (app) {
|
||||
server.on('request', app);
|
||||
return { masterClient: app.masterClient };
|
||||
return { masterClient: app.masterClient || true };
|
||||
}));
|
||||
|
||||
return PromiseA.all(ps).then(function (results) {
|
||||
|
|
|
|||
|
|
@ -0,0 +1,56 @@
|
|||
'use strict';
|
||||
|
||||
var cluster = require('cluster');
|
||||
var minCores = 2;
|
||||
var numCores = Math.max(minCores, require('os').cpus().length);
|
||||
var i;
|
||||
|
||||
function run(connect, ipcKey) {
|
||||
var sqlite3 = require('./cluster');
|
||||
|
||||
return sqlite3.create({
|
||||
bits: 128
|
||||
, dirname: '/tmp/'
|
||||
, prefix: 'foobar.'
|
||||
, dbname: 'cluster'
|
||||
, suffix: '.test'
|
||||
, ext: '.sqlcipher'
|
||||
, verbose: null
|
||||
, standalone: null
|
||||
, serve: !connect
|
||||
, connect: connect
|
||||
, sock: '/tmp/foobar.sqlite3-cluster.test.sock'
|
||||
, ipcKey: ipcKey
|
||||
});
|
||||
}
|
||||
|
||||
var ipcKey = require('crypto').randomBytes(16).toString('hex');
|
||||
// not a bad idea to setup the master before forking the workers
|
||||
|
||||
run(false, ipcKey).then(function () {
|
||||
var w;
|
||||
|
||||
function setupWorker(w) {
|
||||
function sendKey() {
|
||||
w.send({ ipcKey: ipcKey });
|
||||
}
|
||||
w.on('online', sendKey);
|
||||
}
|
||||
|
||||
for (i = 1; i <= numCores; i += 1) {
|
||||
w = cluster.fork();
|
||||
setupWorker(w);
|
||||
}
|
||||
});
|
||||
|
||||
process.on('beforeExit', function () {
|
||||
console.log("[MASTER] I've got nothing left to live for... ugh... death is upon me...");
|
||||
});
|
||||
// The native Promise implementation ignores errors because... dumbness???
|
||||
process.on('unhandledRejection', function (err) {
|
||||
console.error('Unhandled Promise Rejection');
|
||||
console.error(err);
|
||||
console.error(err.stack);
|
||||
|
||||
process.exit(1);
|
||||
});
|
||||
|
|
@ -0,0 +1,122 @@
|
|||
'use strict';
|
||||
|
||||
var cluster = require('cluster');
|
||||
|
||||
function testSelect(client) {
|
||||
var PromiseA = require('bluebird');
|
||||
|
||||
return new PromiseA(function (resolve, reject) {
|
||||
client.run('CREATE TABLE IF NOT EXISTS meta (version TEXT)', function (err) {
|
||||
if (err) {
|
||||
console.error('[ERROR]', cluster.isMaster && '0' || cluster.worker.id);
|
||||
console.error(err.stack);
|
||||
reject(err);
|
||||
return;
|
||||
}
|
||||
|
||||
client.get("SELECT version FROM meta", [], function (err, result) {
|
||||
if (err) {
|
||||
console.error('[ERROR] create table', cluster.isMaster && '0' || cluster.worker.id);
|
||||
console.error(err);
|
||||
reject(err);
|
||||
return;
|
||||
}
|
||||
|
||||
console.log('[this] Worker #', cluster.isMaster && '0' || cluster.worker.id);
|
||||
console.log(this);
|
||||
|
||||
console.log('[result] Worker #', cluster.isMaster && '0' || cluster.worker.id);
|
||||
console.log(result);
|
||||
|
||||
resolve(client);
|
||||
});
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function init(ipcKey) {
|
||||
var sqlite3 = require('./cluster');
|
||||
|
||||
return sqlite3.create({
|
||||
bits: 128
|
||||
, dirname: '/tmp/'
|
||||
, prefix: 'foobar.'
|
||||
, dbname: 'cluster'
|
||||
, suffix: '.test'
|
||||
, ext: '.sqlcipher'
|
||||
, verbose: null
|
||||
, standalone: null
|
||||
, serve: null
|
||||
, connect: true
|
||||
, sock: '/tmp/foobar.sqlite3-cluster.test.sock'
|
||||
, ipcKey: ipcKey
|
||||
}).then(function (client) {
|
||||
//console.log('[INIT] begin');
|
||||
return client.init({ algorithm: 'aes', bits: 128, key: '00000000000000000000000000000000' }).then(function (args) {
|
||||
//console.log('[INIT]', args);
|
||||
return client;
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function run(connect, ipcKey) {
|
||||
var sqlite3 = require('./cluster');
|
||||
|
||||
return sqlite3.create({
|
||||
bits: 128
|
||||
, dirname: '/tmp/'
|
||||
, prefix: 'foobar.'
|
||||
, dbname: 'cluster'
|
||||
, suffix: '.test'
|
||||
, ext: '.sqlcipher'
|
||||
, verbose: null
|
||||
, standalone: null
|
||||
, serve: !connect
|
||||
, connect: connect
|
||||
, sock: '/tmp/foobar.sqlite3-cluster.test.sock'
|
||||
, ipcKey: ipcKey
|
||||
});//.then(testSelect);
|
||||
}
|
||||
|
||||
function onMessage(msg) {
|
||||
function loseTheWillToLive() {
|
||||
process.removeListener('message', onMessage);
|
||||
// child processes do not exit when their event loop is empty
|
||||
process.nextTick(function () {
|
||||
process.exit(0);
|
||||
});
|
||||
}
|
||||
|
||||
console.log('New Worker', cluster.worker.id, msg);
|
||||
if (1 === cluster.worker.id) {
|
||||
init(msg.ipcKey).then(testSelect).then(function (client) {
|
||||
console.log('init worker closing...');
|
||||
setTimeout(function () {
|
||||
client.close(loseTheWillToLive);
|
||||
loseTheWillToLive();
|
||||
}, 1000);
|
||||
// waiting for https://github.com/websockets/ws/issues/613 to land
|
||||
});
|
||||
} else {
|
||||
setTimeout(function () {
|
||||
run(true, msg.ipcKey).then(testSelect).then(function (client) {
|
||||
console.log('other working closing...');
|
||||
client.close(loseTheWillToLive);
|
||||
loseTheWillToLive();
|
||||
});
|
||||
}, 100);
|
||||
}
|
||||
}
|
||||
process.on('message', onMessage);
|
||||
|
||||
// The native Promise implementation ignores errors because... dumbness???
|
||||
process.on('beforeExit', function () {
|
||||
console.log("[WORKER] I've got nothing left to do");
|
||||
});
|
||||
process.on('unhandledRejection', function (err) {
|
||||
console.error('Unhandled Promise Rejection');
|
||||
console.error(err);
|
||||
console.error(err.stack);
|
||||
|
||||
process.exit(1);
|
||||
});
|
||||
|
|
@ -1,95 +1,8 @@
|
|||
'use strict';
|
||||
|
||||
var cluster = require('cluster');
|
||||
//var numCores = 2;
|
||||
var numCores = require('os').cpus().length;
|
||||
var i;
|
||||
|
||||
function testSelect(client) {
|
||||
return client.run('CREATE TABLE IF NOT EXISTS meta (version TEXT)', function (err) {
|
||||
if (err) {
|
||||
console.error('[ERROR] create table', cluster.isMaster && '0' || cluster.worker.id);
|
||||
console.error(err);
|
||||
return;
|
||||
}
|
||||
|
||||
return client.get("SELECT version FROM meta", [], function (err, result) {
|
||||
|
||||
if (err) {
|
||||
console.error('[ERROR]', cluster.isMaster && '0' || cluster.worker.id);
|
||||
console.error(err);
|
||||
return;
|
||||
}
|
||||
|
||||
console.log('[this]', cluster.isMaster && '0' || cluster.worker.id);
|
||||
console.log(this);
|
||||
|
||||
console.log('[result]', cluster.isMaster && '0' || cluster.worker.id);
|
||||
console.log(result);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function init() {
|
||||
var sqlite3 = require('./cluster');
|
||||
|
||||
return sqlite3.create({
|
||||
bits: 128
|
||||
, filename: '/tmp/test.cluster.sqlcipher'
|
||||
, verbose: null
|
||||
, standalone: null
|
||||
, serve: null
|
||||
, connect: null
|
||||
}).then(function (client) {
|
||||
console.log('[INIT] begin');
|
||||
return client.init({ bits: 128, key: '00000000000000000000000000000000' });
|
||||
}).then(testSelect, function (err) {
|
||||
console.error('[ERROR]');
|
||||
console.error(err);
|
||||
}).then(function () {
|
||||
console.log('success');
|
||||
}, function (err) {
|
||||
console.error('[ERROR 2]');
|
||||
console.error(err);
|
||||
});
|
||||
}
|
||||
|
||||
function run() {
|
||||
var sqlite3 = require('./cluster');
|
||||
|
||||
return sqlite3.create({
|
||||
bits: 128
|
||||
, filename: '/tmp/test.cluster.sqlcipher'
|
||||
, verbose: null
|
||||
, standalone: null
|
||||
, serve: null
|
||||
, connect: null
|
||||
});//.then(testSelect);
|
||||
}
|
||||
|
||||
if (cluster.isMaster) {
|
||||
// not a bad idea to setup the master before forking the workers
|
||||
run().then(function () {
|
||||
for (i = 1; i <= numCores; i += 1) {
|
||||
cluster.fork();
|
||||
require('./test-cluster-master');
|
||||
}
|
||||
});
|
||||
} else {
|
||||
if (1 === cluster.worker.id) {
|
||||
init().then(testSelect);
|
||||
return;
|
||||
} else {
|
||||
setTimeout(function () {
|
||||
run().then(testSelect);
|
||||
}, 100);
|
||||
else {
|
||||
require('./test-cluster-worker');
|
||||
}
|
||||
}
|
||||
|
||||
// The native Promise implementation ignores errors because... dumbness???
|
||||
process.on('unhandledPromiseRejection', function (err) {
|
||||
console.error('Unhandled Promise Rejection');
|
||||
console.error(err);
|
||||
console.error(err.stack);
|
||||
|
||||
process.exit(1);
|
||||
});
|
||||
|
|
|
|||
|
|
@ -2,16 +2,23 @@
|
|||
|
||||
function run() {
|
||||
var sqlite3 = require('./standalone');
|
||||
var promise;
|
||||
|
||||
sqlite3.create({
|
||||
promise = sqlite3.create({
|
||||
key: '00000000000000000000000000000000'
|
||||
, bits: 128
|
||||
, filename: '/tmp/test.cluster.sqlcipher'
|
||||
, dirname: '/tmp/'
|
||||
, prefix: 'foobar.'
|
||||
, dbname: 'standalone'
|
||||
, suffix: '.test'
|
||||
, ext: '.sqlcipher'
|
||||
, verbose: null
|
||||
, standalone: true
|
||||
, serve: null
|
||||
, connect: null
|
||||
}).then(function (client) {
|
||||
});
|
||||
|
||||
promise.then(function (client) {
|
||||
client.all("SELECT ?", ['Hello World!'], function (err, result) {
|
||||
if (err) {
|
||||
console.error('[ERROR] standalone');
|
||||
|
|
@ -31,7 +38,7 @@ function run() {
|
|||
run();
|
||||
|
||||
// The native Promise implementation ignores errors because... dumbness???
|
||||
process.on('unhandledPromiseRejection', function (err) {
|
||||
process.on('unhandledRejection', function (err) {
|
||||
console.error('Unhandled Promise Rejection');
|
||||
console.error(err);
|
||||
console.error(err.stack);
|
||||
|
|
|
|||
53
wrapper.js
53
wrapper.js
|
|
@ -1,12 +1,5 @@
|
|||
'use strict';
|
||||
|
||||
/*global Promise*/
|
||||
var PromiseA = Promise;
|
||||
try {
|
||||
PromiseA = require('bluebird').Promise;
|
||||
} catch(e) {
|
||||
console.warn("For better Promise support please use bluebird");
|
||||
}
|
||||
var sqlite3 = require('sqlite3');
|
||||
var dbs = {};
|
||||
|
||||
|
|
@ -14,8 +7,12 @@ function sanitize(str) {
|
|||
return String(str).replace("'", "''");
|
||||
}
|
||||
|
||||
function create(opts) {
|
||||
function create(opts, verbs) {
|
||||
if (!verbs) {
|
||||
verbs = {};
|
||||
}
|
||||
var db;
|
||||
var PromiseA = verbs.Promise || require('bluebird');
|
||||
|
||||
if (!opts) {
|
||||
opts = {};
|
||||
|
|
@ -25,11 +22,37 @@ function create(opts) {
|
|||
sqlite3.verbose();
|
||||
}
|
||||
|
||||
if (!dbs[opts.filename]) {
|
||||
dbs[opts.filename] = new sqlite3.Database(opts.filename);
|
||||
// TODO expire unused dbs from cache
|
||||
var dbname = "";
|
||||
if (opts.dirname) {
|
||||
dbname += opts.dirname;
|
||||
}
|
||||
if (opts.prefix) {
|
||||
dbname += opts.prefix;
|
||||
}
|
||||
if (opts.subtenant) {
|
||||
dbname += opts.subtenant + '.';
|
||||
}
|
||||
if (opts.tenant) {
|
||||
dbname += opts.tenant + '.';
|
||||
}
|
||||
if (opts.dbname) {
|
||||
dbname += opts.dbname;
|
||||
}
|
||||
if (opts.suffix) {
|
||||
dbname += opts.suffix;
|
||||
}
|
||||
if (opts.ext) {
|
||||
dbname += opts.ext;
|
||||
}
|
||||
|
||||
db = dbs[opts.filename];
|
||||
if (dbs[dbname]) {
|
||||
return PromiseA.resolve(dbs[dbname]);
|
||||
}
|
||||
|
||||
|
||||
db = new sqlite3.Database(dbname);
|
||||
// dbs[dbname] = db //
|
||||
db.sanitize = sanitize;
|
||||
db.escape = sanitize;
|
||||
|
||||
|
|
@ -43,6 +66,7 @@ function create(opts) {
|
|||
|
||||
return new PromiseA(function (resolve, reject) {
|
||||
if (db._initialized) {
|
||||
dbs[dbname] = db;
|
||||
resolve(db);
|
||||
return;
|
||||
}
|
||||
|
|
@ -51,13 +75,13 @@ function create(opts) {
|
|||
if (!bits) {
|
||||
db._initialized = true;
|
||||
}
|
||||
dbs[dbname] = db;
|
||||
resolve(db);
|
||||
return;
|
||||
}
|
||||
|
||||
// TODO test key length
|
||||
|
||||
db._initialized = true;
|
||||
db.serialize(function () {
|
||||
var setup = [];
|
||||
|
||||
|
|
@ -83,13 +107,16 @@ function create(opts) {
|
|||
|
||||
PromiseA.all(setup).then(function () {
|
||||
// restore original functions
|
||||
db._initialized = true;
|
||||
dbs[dbname] = db;
|
||||
resolve(db);
|
||||
}, reject);
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
return db.init(opts);
|
||||
dbs[dbname] = db.init(opts);
|
||||
return dbs[dbname];
|
||||
}
|
||||
|
||||
module.exports.sanitize = sanitize;
|
||||
|
|
|
|||
Loading…
Reference in New Issue