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main.js
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/* jshint -W097 */
/* jshint strict: false */
/* jslint node: true */
'use strict';
const utils = require('@iobroker/adapter-core'); // Get common adapter utils
const adapterName = require('./package.json').name.split('.').pop();
const SQL = require('sql-client');
const commons = require('./lib/aggregate');
const fs = require('fs');
let SQLFuncs = null;
const clients = {
postgresql: {name: 'PostgreSQLClient', multiRequests: true},
mysql: {name: 'MySQLClient', multiRequests: true},
sqlite: {name: 'SQLite3Client', multiRequests: false},
mssql: {name: 'MSSQLClient', multiRequests: true}
};
const types = {
number: 0,
string: 1,
boolean: 2,
object: 1
};
const dbNames = [
'ts_number',
'ts_string',
'ts_bool'
];
const storageTypes = [
'Number',
'String',
'Boolean'
];
const sqlDPs = {};
const from = {};
const tasks = [];
const tasksReadType = [];
const tasksStart = [];
const isFromRunning = {};
const aliasMap = {};
let finished = false;
let connected = null;
let multiRequests = true;
let subscribeAll = false;
let clientPool;
let reconnectTimeout = null;
let testConnectTimeout = null;
function isEqual(a, b) {
//console.log('Compare ' + JSON.stringify(a) + ' with ' + JSON.stringify(b));
// Create arrays of property names
if (a === null || a === undefined || b === null || b === undefined) {
return a === b;
}
const aProps = Object.getOwnPropertyNames(a);
const bProps = Object.getOwnPropertyNames(b);
// If number of properties is different,
// objects are not equivalent
if (aProps.length !== bProps.length) {
//console.log('num props different: ' + JSON.stringify(aProps) + ' / ' + JSON.stringify(bProps));
return false;
}
for (let i = 0; i < aProps.length; i++) {
const propName = aProps[i];
if (typeof a[propName] !== typeof b[propName]) {
//console.log('type props ' + propName + ' different');
return false;
} else
if (typeof a[propName] === 'object') {
if (!isEqual(a[propName], b[propName])) {
return false;
}
} else {
// If values of same property are not equal,
// objects are not equivalent
if (a[propName] !== b[propName]) {
//console.log('props ' + propName + ' different');
return false;
}
}
}
// If we made it this far, objects
// are considered equivalent
return true;
}
let adapter;
function startAdapter(options) {
options = options || {};
Object.assign(options, {name: adapterName});
adapter = new utils.Adapter(options);
adapter.on('objectChange', (id, obj) => {
let tmpState;
const now = Date.now();
const formerAliasId = aliasMap[id] ? aliasMap[id] : id;
if (obj && obj.common && obj.common.custom && obj.common.custom[adapter.namespace] && typeof obj.common.custom[adapter.namespace] === 'object' && obj.common.custom[adapter.namespace].enabled) {
const realId = id;
let checkForRemove = true;
if (obj.common.custom && obj.common.custom[adapter.namespace] && obj.common.custom[adapter.namespace].aliasId) {
if (obj.common.custom[adapter.namespace].aliasId !== id) {
aliasMap[id] = obj.common.custom[adapter.namespace].aliasId;
adapter.log.debug('Registered Alias: ' + id + ' --> ' + aliasMap[id]);
id = aliasMap[id];
checkForRemove = false;
} else {
adapter.log.warn('Ignoring Alias-ID because identical to ID for ' + id);
obj.common.custom[adapter.namespace].aliasId = '';
}
}
if (checkForRemove && aliasMap[id]) {
adapter.log.debug('Removed Alias: ' + id + ' !-> ' + aliasMap[id]);
delete aliasMap[id];
}
if (!(sqlDPs[formerAliasId] && sqlDPs[formerAliasId][adapter.namespace]) && !subscribeAll) {
// un-subscribe
for (const _id in sqlDPs) {
if (sqlDPs.hasOwnProperty(_id) && sqlDPs.hasOwnProperty(sqlDPs[_id].realId)) {
adapter.unsubscribeForeignStates(sqlDPs[_id].realId);
}
}
subscribeAll = true;
adapter.subscribeForeignStates('*');
}
let storedIndex = null;
let storedType = null;
if (sqlDPs[id] && sqlDPs[id].index !== undefined) {
storedIndex = sqlDPs[id].index;
}
if (sqlDPs[id] && sqlDPs[id].dbtype !== undefined) {
storedType = sqlDPs[id].dbtype;
} else if (sqlDPs[formerAliasId] && sqlDPs[formerAliasId].dbtype !== undefined) {
storedType = sqlDPs[formerAliasId].dbtype;
}
if (storedIndex === undefined) {
getId(id, sqlDPs[id].dbtype, () => reInit(id, realId, formerAliasId, storedIndex, storedType, obj));
} else {
reInit(id, realId, formerAliasId, storedIndex, storedType, obj);
}
} else {
if (aliasMap[id]) {
adapter.log.debug('Removed Alias: ' + id + ' !-> ' + aliasMap[id]);
delete aliasMap[id];
}
id = formerAliasId;
if (sqlDPs[id]) {
adapter.log.info('disabled logging of ' + id);
sqlDPs[id].relogTimeout && clearTimeout(sqlDPs[id].relogTimeout);
sqlDPs[id].timeout && clearTimeout(sqlDPs[id].timeout);
tmpState = Object.assign({}, sqlDPs[id].state);
const state = sqlDPs[id].state ? tmpState : null;
if (sqlDPs[id].skipped) {
pushValueIntoDB(id, sqlDPs[id].skipped);
sqlDPs[id].skipped = null;
}
const nullValue = {val: null, ts: now, lc: now, q: 0x40, from: 'system.adapter.' + adapter.namespace};
if (sqlDPs[id][adapter.namespace] && adapter.config.writeNulls) {
if (sqlDPs[id][adapter.namespace].changesOnly && state && state.val !== null) {
(function (_id, _state, _nullValue) {
_state.ts = now;
_state.from = 'system.adapter.' + adapter.namespace;
nullValue.ts += 4;
nullValue.lc += 4; // because of MS SQL
adapter.log.debug('Write 1/2 "' + _state.val + '" _id: ' + _id);
pushValueIntoDB(_id, _state, () => {
// terminate values with null to indicate adapter stop. timestamp + 1#
adapter.log.debug('Write 2/2 "null" _id: ' + _id);
pushValueIntoDB(_id, _nullValue, () => delete sqlDPs[id][adapter.namespace]);
});
})(id, state, nullValue);
} else {
// terminate values with null to indicate adapter stop. timestamp + 1
adapter.log.debug('Write 0 NULL _id: ' + id);
pushValueIntoDB(id, nullValue, () => delete sqlDPs[id][adapter.namespace]);
}
} else {
delete sqlDPs[id][adapter.namespace];
}
}
}
});
adapter.on('stateChange', (id, state) => {
id = aliasMap[id] ? aliasMap[id] : id;
pushHistory(id, state);
});
adapter.on('unload', callback => finish(callback));
adapter.on('ready', () => main());
adapter.on('message', msg => processMessage(msg));
return adapter;
}
function borrowClientFromPool(callback) {
if (typeof callback !== 'function') {
return;
}
if (!clientPool) {
setConnected(false);
return callback('No database connection');
}
setConnected(true);
clientPool.borrow((err, client) => {
if (!err && client) {
// make sure we always have at least one error listener to prevent crashes
if (client.on && client.listenerCount && client.listenerCount('error') === 0) {
client.on('error', err =>
adapter.log.warn('SQL client error: ' + err));
}
}
callback(err, client);
});
}
function returnClientToPool(client) {
return clientPool && clientPool.return(client);
}
function reInit(id, realId, formerAliasId, storedIndex, storedType, obj) {
adapter.log.debug(`remembered Index/Type ${storedIndex} / ${storedType}`);
// retention
if (obj.common.custom[adapter.namespace].retention || obj.common.custom[adapter.namespace].retention === 0) {
obj.common.custom[adapter.namespace].retention = parseInt(obj.common.custom[adapter.namespace].retention, 10) || 0;
} else {
obj.common.custom[adapter.namespace].retention = adapter.config.retention;
}
// debounce
if (obj.common.custom[adapter.namespace].debounce || obj.common.custom[adapter.namespace].debounce === 0) {
obj.common.custom[adapter.namespace].debounce = parseInt(obj.common.custom[adapter.namespace].debounce, 10) || 0;
} else {
obj.common.custom[adapter.namespace].debounce = adapter.config.debounce;
}
// changesOnly
obj.common.custom[adapter.namespace].changesOnly = obj.common.custom[adapter.namespace].changesOnly === 'true' || obj.common.custom[adapter.namespace].changesOnly === true;
if (obj.common.custom[adapter.namespace].changesRelogInterval || obj.common.custom[adapter.namespace].changesRelogInterval === 0) {
obj.common.custom[adapter.namespace].changesRelogInterval = parseInt(obj.common.custom[adapter.namespace].changesRelogInterval, 10) || 0;
} else {
obj.common.custom[adapter.namespace].changesRelogInterval = adapter.config.changesRelogInterval;
}
// changesMinDelta
if (obj.common.custom[adapter.namespace].changesMinDelta || obj.common.custom[adapter.namespace].changesMinDelta === 0) {
obj.common.custom[adapter.namespace].changesMinDelta = parseFloat(obj.common.custom[adapter.namespace].changesMinDelta.toString().replace(/,/g, '.')) || 0;
} else {
obj.common.custom[adapter.namespace].changesMinDelta = adapter.config.changesMinDelta;
}
// storageType
if (!obj.common.custom[adapter.namespace].storageType) {
obj.common.custom[adapter.namespace].storageType = false;
}
// add one day if retention is too small
if (obj.common.custom[adapter.namespace].retention && obj.common.custom[adapter.namespace].retention <= 604800) {
obj.common.custom[adapter.namespace].retention += 86400;
}
if (sqlDPs[formerAliasId] &&
sqlDPs[formerAliasId][adapter.namespace] &&
isEqual(obj.common.custom[adapter.namespace], sqlDPs[formerAliasId][adapter.namespace])) {
return adapter.log.debug('Object ' + id + ' unchanged. Ignore');
}
// relogTimeout
if (sqlDPs[formerAliasId] && sqlDPs[formerAliasId].relogTimeout) {
clearTimeout(sqlDPs[formerAliasId].relogTimeout);
}
sqlDPs[id] = obj.common.custom;
sqlDPs[id].realId = realId;
// changesRelogInterval
if (sqlDPs[id][adapter.namespace].changesRelogInterval > 0) {
sqlDPs[id].relogTimeout && clearTimeout(sqlDPs[id].relogTimeout);
sqlDPs[id].relogTimeout = setTimeout(reLogHelper, (sqlDPs[id][adapter.namespace].changesRelogInterval * 500 * Math.random()) + sqlDPs[id][adapter.namespace].changesRelogInterval * 500, id);
}
const writeNull = !(sqlDPs[id] && sqlDPs[id][adapter.namespace]);
if (writeNull && adapter.config.writeNulls) {
writeNulls(id);
}
adapter.log.info('enabled logging of ' + id + ', Alias=' + (id !== realId));
}
function setConnected(isConnected) {
if (connected !== isConnected) {
connected = isConnected;
adapter.setState('info.connection', connected, true);
}
}
let postgresDbCreated = false;
function connect(callback) {
if (reconnectTimeout) {
clearTimeout(reconnectTimeout);
reconnectTimeout = null;
}
if (!clientPool) {
setConnected(false);
let params = {
server: adapter.config.host, // needed for MSSQL
host: adapter.config.host, // needed for PostgeSQL , MySQL
user: adapter.config.user || '',
password: adapter.config.password || '',
max_idle: (adapter.config.dbtype === 'sqlite') ? 1 : 2
};
if (adapter.config.maxConnections) {
params.max_active = adapter.config.maxConnections;
params.max_wait = 10000; // hard code for now
params.when_exhausted = 'block';
}
if (adapter.config.port) {
params.port = adapter.config.port;
}
if (!adapter.config.dbtype) {
return adapter.log.error('DB Type is not defined!');
} else
if (!clients[adapter.config.dbtype] || !clients[adapter.config.dbtype].name) {
return adapter.log.error('Unknown type "' + adapter.config.dbtype + '"');
} else
if (!SQL[clients[adapter.config.dbtype].name]) {
return adapter.log.error('SQL package "' + clients[adapter.config.dbtype].name + '" is not installed.');
}
if (adapter.config.dbtype !== 'postgresql') {
params.options = {
encrypt: !!adapter.config.encrypt
};
}
if (adapter.config.dbtype === 'postgresql') {
params.database = 'postgres';
}
if (adapter.config.dbtype === 'sqlite') {
params = getSqlLiteDir(adapter.config.fileName);
} else
// special solution for postgres. Connect first to Db "postgres", create new DB "iobroker" and then connect to "iobroker" DB.
if (adapter.config.dbtype === 'postgresql' && !postgresDbCreated) {
// connect first to DB postgres and create iobroker DB
adapter.log.info('Postgres connection options: ' + JSON.stringify(params));
const _client = new SQL[clients[adapter.config.dbtype].name](params);
_client.on && _client.on('error', err =>
adapter.log.warn('SQL client error: ' + err));
return _client.connect(err => {
if (err) {
adapter.log.error(err);
reconnectTimeout && clearTimeout(reconnectTimeout);
reconnectTimeout = setTimeout(() => connect(callback), 30000);
return;
}
if (adapter.config.doNotCreateDatabase) {
_client.disconnect();
postgresDbCreated = true;
reconnectTimeout && clearTimeout(reconnectTimeout);
reconnectTimeout = setTimeout(() => connect(callback), 100);
} else {
_client.execute('CREATE DATABASE ' + adapter.config.dbname + ';', (err /* , rows, fields */) => {
_client.disconnect();
if (err && err.code !== '42P04') { // if error not about yet exists
postgresDbCreated = false;
adapter.log.error(err);
reconnectTimeout && clearTimeout(reconnectTimeout);
reconnectTimeout = setTimeout(() => connect(callback), 30000);
} else {
postgresDbCreated = true;
reconnectTimeout && clearTimeout(reconnectTimeout);
reconnectTimeout = setTimeout(() => connect(callback), 100);
}
});
}
});
}
if (adapter.config.dbtype === 'postgresql') {
params.database = adapter.config.dbname;
}
try {
if (!clients[adapter.config.dbtype].name) {
adapter.log.error('Unknown SQL type selected: "' + adapter.config.dbtype + '"');
} else if (!SQL[clients[adapter.config.dbtype].name + 'Pool']) {
adapter.log.error('Selected SQL DB was not installed properly: "' + adapter.config.dbtype + '". SQLite requires build tools on system. See README.md');
} else {
clientPool = new SQL[clients[adapter.config.dbtype].name + 'Pool'](params);
return clientPool.open(err => {
if (err) {
clientPool = null;
setConnected(false);
adapter.log.error(err);
reconnectTimeout && clearTimeout(reconnectTimeout);
reconnectTimeout = setTimeout(() => connect(callback), 30000);
} else {
reconnectTimeout && clearTimeout(reconnectTimeout);
reconnectTimeout = setImmediate(() => connect(callback));
}
});
}
} catch (ex) {
if (ex.toString() === 'TypeError: undefined is not a function') {
adapter.log.error('Node.js DB driver for "' + adapter.config.dbtype + '" could not be installed.');
} else {
adapter.log.error(ex.toString());
adapter.log.error(ex.stack);
}
clientPool = null;
setConnected(false);
reconnectTimeout && clearTimeout(reconnectTimeout);
reconnectTimeout = setTimeout(() => connect(callback), 30000);
return;
}
}
allScripts(SQLFuncs.init(adapter.config.dbname, adapter.config.doNotCreateDatabase), err => {
if (err) {
//adapter.log.error(err);
reconnectTimeout && clearTimeout(reconnectTimeout);
reconnectTimeout = setTimeout(() => connect(callback), 30000);
} else {
adapter.log.info('Connected to ' + adapter.config.dbtype);
// read all DB IDs and all FROM ids
getAllIds(() =>
getAllFroms(callback));
}
});
}
// Find sqlite data directory
function getSqlLiteDir(fileName) {
fileName = fileName || 'sqlite.db';
fileName = fileName.replace(/\\/g, '/');
if (fileName[0] === '/' || fileName.match(/^\w:\//)) {
return fileName;
} else {
// normally /opt/iobroker/node_modules/iobroker.js-controller
// but can be /example/ioBroker.js-controller
const tools = require(utils.controllerDir + '/lib/tools');
let config = tools.getConfigFileName().replace(/\\/g, '/');
const parts = config.split('/');
parts.pop();
config = parts.join('/') + '/sqlite';
// create sqlite directory
if (!fs.existsSync(config)) {
fs.mkdirSync(config);
}
return config + '/' + fileName;
}
}
function testConnection(msg) {
msg.message.config.port = parseInt(msg.message.config.port, 10) || 0;
let params = {
server: msg.message.config.host,
host: msg.message.config.host,
user: msg.message.config.user,
password: msg.message.config.password
};
if (msg.message.config.port) {
params.port = msg.message.config.port;
}
if (msg.message.config.dbtype === 'postgresql' && !SQL.PostgreSQLClient) {
const postgres = require('./lib/postgresql-client');
Object.keys(postgres)
.filter(attr => !SQL[attr])
.forEach(attr => SQL[attr] = postgres[attr]);
} else
if (msg.message.config.dbtype === 'mssql' && !SQL.MSSQLClient) {
const mssql = require('./lib/mssql-client');
Object.keys(mssql)
.filter(attr => !SQL[attr])
.forEach(attr => SQL[attr] = mssql[attr]);
}
if (msg.message.config.dbtype === 'postgresql') {
params.database = 'postgres';
} else if (msg.message.config.dbtype === 'sqlite') {
params = getSqlLiteDir(msg.message.config.fileName);
}
try {
const client = new SQL[clients[msg.message.config.dbtype].name](params);
client.on && client.on('error', err =>
adapter.log.warn('SQL client error: ' + err));
testConnectTimeout = setTimeout(() => {
testConnectTimeout = null;
adapter.sendTo(msg.from, msg.command, {error: 'connect timeout'}, msg.callback);
}, 5000);
client.connect(err => {
if (err) {
if (testConnectTimeout) {
clearTimeout(testConnectTimeout);
testConnectTimeout = null;
}
return adapter.sendTo(msg.from, msg.command, {error: err.toString()}, msg.callback);
}
client.execute('SELECT 2 + 3 AS x', (err /* , rows, fields */) => {
client.disconnect();
if (testConnectTimeout) {
clearTimeout(testConnectTimeout);
testConnectTimeout = null;
return adapter.sendTo(msg.from, msg.command, {error: err ? err.toString() : null}, msg.callback);
}
});
});
} catch (ex) {
if (testConnectTimeout) {
clearTimeout(testConnectTimeout);
testConnectTimeout = null;
}
if (ex.toString() === 'TypeError: undefined is not a function') {
return adapter.sendTo(msg.from, msg.command, {error: 'Node.js DB driver could not be installed.'}, msg.callback);
} else {
return adapter.sendTo(msg.from, msg.command, {error: ex.toString()}, msg.callback);
}
}
}
function destroyDB(msg) {
try {
allScripts(SQLFuncs.destroy(adapter.config.dbname), err => {
if (err) {
adapter.log.error(err);
adapter.sendTo(msg.from, msg.command, {error: err.toString()}, msg.callback);
} else {
adapter.sendTo(msg.from, msg.command, {error: null}, msg.callback);
// restart adapter
setTimeout(() =>
adapter.getForeignObject('system.adapter.' + adapter.namespace, (err, obj) => {
if (!err) {
adapter.setForeignObject(obj._id, obj);
} else {
adapter.log.error('Cannot read object "system.adapter.' + adapter.namespace + '": ' + err);
adapter.stop();
}
}), 2000);
}
});
} catch (ex) {
return adapter.sendTo(msg.from, msg.command, {error: ex.toString()}, msg.callback);
}
}
function _userQuery(msg, callback) {
try {
adapter.log.debug(msg.message);
borrowClientFromPool((err, client) => {
if (err) {
adapter.sendTo(msg.from, msg.command, {error: err.toString()}, msg.callback);
callback && callback();
} else {
client.execute(msg.message, (err, rows /* , fields */) => {
if (rows && rows.rows) rows = rows.rows;
returnClientToPool(client);
adapter.sendTo(msg.from, msg.command, {error: err ? err.toString() : null, result: rows}, msg.callback);
callback && callback();
});
}
});
} catch (err) {
adapter.sendTo(msg.from, msg.command, {error: err.toString()}, msg.callback);
callback && callback();
}
}
// execute custom query
function query(msg) {
if (!multiRequests) {
if (tasks.length > 100) {
const error = 'Cannot queue new requests, because more than 100';
adapter.log.error(error);
adapter.sendTo(msg.from, msg.command, {error}, msg.callback);
} else {
tasks.push({operation: 'userQuery', msg});
tasks.length === 1 && processTasks();
}
} else {
_userQuery(msg);
}
}
// one script
function oneScript(script, cb) {
try {
borrowClientFromPool((err, client) => {
if (err || !client) {
clientPool && clientPool.close();
clientPool = null;
setConnected(false);
adapter.log.error(err);
return cb && cb(err);
}
adapter.log.debug(script);
client.execute(script, (err /* , rows, fields */) => {
adapter.log.debug('Response: ' + JSON.stringify(err));
if (err) {
// Database 'iobroker' already exists. Choose a different database name.
if (err.number === 1801 ||
//There is already an object named 'sources' in the database.
err.number === 2714) {
// do nothing
err = null;
} else
if (err.message && err.message.match(/^SQLITE_ERROR: table [\w_]+ already exists$/)) {
// do nothing
err = null;
} else
if (err.errno == 1007 || err.errno == 1050) { // if database exists or table exists
// do nothing
err = null;
} else
if (err.code === '42P04') {// if database exists or table exists
// do nothing
err = null;
}
else if (err.code === '42P07') {
const match = script.match(/CREATE\s+TABLE\s+(\w*)\s+\(/);
if (match) {
adapter.log.debug('OK. Table "' + match[1] + '" yet exists');
err = null;
} else {
adapter.log.error(script);
adapter.log.error(err);
}
} else if (script.startsWith('CREATE INDEX')) {
adapter.log.info('Ignore Error on Create index. You might want to create the index yourself!');
adapter.log.info(script);
adapter.log.info(err.code + ': ' + err);
err = null;
} else {
adapter.log.error(script);
adapter.log.error(err);
}
}
returnClientToPool(client);
cb && cb(err);
});
});
} catch (ex) {
adapter.log.error(ex);
cb && cb(ex);
}
}
// all scripts
function allScripts(scripts, index, cb) {
if (typeof index === 'function') {
cb = index;
index = 0;
}
index = index || 0;
if (scripts && index < scripts.length) {
oneScript(scripts[index], err => {
if (err) {
cb && cb(err);
} else {
allScripts(scripts, index + 1, cb);
}
});
} else {
cb && cb();
}
}
function finish(callback) {
function finishId(id) {
if (!sqlDPs[id]) {
return;
}
if (sqlDPs[id].relogTimeout) {
clearTimeout(sqlDPs[id].relogTimeout);
sqlDPs[id].relogTimeout = null;
}
if (sqlDPs[id].timeout) {
clearTimeout(sqlDPs[id].timeout);
sqlDPs[id].timeout = null;
}
let tmpState = Object.assign({}, sqlDPs[id].state);
const state = sqlDPs[id].state ? tmpState : null;
if (sqlDPs[id].skipped) {
count++;
pushValueIntoDB(id, sqlDPs[id].skipped, () => {
if (!--count) {
if (clientPool) {
clientPool.close();
clientPool = null;
setConnected(false);
}
if (typeof finished === 'object') {
setTimeout(cb => {
for (let f = 0; f < cb.length; f++) {
typeof cb[f] === 'function' && cb[f]();
}
}, 500, finished);
finished = true;
}
}
});
sqlDPs[id].skipped = null;
}
const nullValue = {val: null, ts: now, lc: now, q: 0x40, from: 'system.adapter.' + adapter.namespace};
if (sqlDPs[id][adapter.namespace] && adapter.config.writeNulls) {
if (sqlDPs[id][adapter.namespace].changesOnly && state && state.val !== null) {
count++;
(function (_id, _state, _nullValue) {
_state.ts = now;
_state.from = 'system.adapter.' + adapter.namespace;
nullValue.ts += 4;
nullValue.lc += 4; // because of MS SQL
adapter.log.debug('Write 1/2 "' + _state.val + '" _id: ' + _id);
pushValueIntoDB(_id, _state, () => {
// terminate values with null to indicate adapter stop. timestamp + 1#
adapter.log.debug('Write 2/2 "null" _id: ' + _id);
pushValueIntoDB(_id, _nullValue, () => {
if (!--count) {
if (clientPool) {
clientPool.close();
clientPool = null;
setConnected(false);
}
if (typeof finished === 'object') {
setTimeout(cb => {
for (let f = 0; f < cb.length; f++) {
typeof cb[f] === 'function' && cb[f]();
}
}, 500, finished);
finished = true;
}
}
});
});
})(id, state, nullValue);
} else {
// terminate values with null to indicate adapter stop. timestamp + 1
count++;
adapter.log.debug('Write 0 NULL _id: ' + id);
pushValueIntoDB(id, nullValue, () => {
if (!--count) {
setTimeout(() => {
if (clientPool) {
clientPool.close();
clientPool = null;
setConnected(false);
}
if (typeof finished === 'object') {
setTimeout(cb => {
for (let f = 0; f < cb.length; f++) {
typeof cb[f] === 'function' && cb[f]();
}
}, 500, finished);
finished = true;
}
}, 5000);
}
});
}
}
}
if (reconnectTimeout) {
clearTimeout(reconnectTimeout);
reconnectTimeout = null;
}
if (testConnectTimeout) {
clearTimeout(testConnectTimeout);
testConnectTimeout = null;
}
adapter.unsubscribeForeignStates('*');
let count = 0;
if (finished) {
if (callback) {
if (finished === true) {
callback();
} else {
finished.push(callback);
}
}
return;
}
finished = [callback];
const now = Date.now();
let dpcount = 0;
let delay = 0;
for (const id in sqlDPs) {
if (!sqlDPs.hasOwnProperty(id)) continue;
dpcount++;
delay += (dpcount%50 === 0) ? 1000: 0;
setTimeout(finishId, delay, id);
}
if (!dpcount && callback) {
if (clientPool) {
clientPool.close();
clientPool = null;
setConnected(false);
}
callback();
}
}
function processMessage(msg) {
if (msg.command === 'features') {
adapter.sendTo(msg.from, msg.command, {supportedFeatures: ['update', 'delete', 'deleteRange', 'deleteAll']}, msg.callback);
} else
if (msg.command === 'getHistory') {
getHistory(msg);
}
else if (msg.command === 'getCounter') {
getCounterDiff(msg);
}
else if (msg.command === 'test') {
testConnection(msg);
}
else if (msg.command === 'destroy') {
destroyDB(msg);
}
else if (msg.command === 'query') {
query(msg);
}
else if (msg.command === 'update') {
updateState(msg);
}
else if (msg.command === 'delete') {
deleteState(msg);
}
else if (msg.command === 'deleteAll') {
deleteStateAll(msg);
}
else if (msg.command === 'deleteRange') {
deleteState(msg);
}
else if (msg.command === 'storeState') {
storeState(msg);
}
else if (msg.command === 'getDpOverview') {
getDpOverview(msg);
}
else if (msg.command === 'enableHistory') {
enableHistory(msg);
}
else if (msg.command === 'disableHistory') {
disableHistory(msg);
}
else if (msg.command === 'getEnabledDPs') {
getEnabledDPs(msg);
} else if (msg.command === 'stopInstance') {
finish(() => {
if (msg.callback) {
adapter.sendTo(msg.from, msg.command, 'stopped', msg.callback);
setTimeout(() => process.exit(0), 200);
}
});
}
}
function fixSelector(callback) {
// fix _design/custom object
adapter.getForeignObject('_design/custom', (err, obj) => {
if (!obj || !obj.views.state.map.includes('common.custom')) {
obj = {
_id: '_design/custom',
language: 'javascript',
views: {
state: {
map: 'function(doc) { doc.type === \'state\' && doc.common.custom && emit(doc._id, doc.common.custom) }'
}
}
};
adapter.setForeignObject('_design/custom', obj, err => callback && callback(err));
} else {
callback && callback(err);
}
});
}
function processStartValues(callback) {
if (tasksStart && tasksStart.length) {
const task = tasksStart.shift();
if (sqlDPs[task.id][adapter.namespace].changesOnly) {
adapter.getForeignState(sqlDPs[task.id].realId, (err, state) => {
const now = task.now || Date.now();
pushHistory(task.id, {
val: null,
ts: state ? now - 4 : now, // 4 is because of MS SQL
lc: state ? now - 4 : now, // 4 is because of MS SQL
ack: true,
q: 0x40,
from: 'system.adapter.' + adapter.namespace
});
if (state) {
state.ts = now;
state.lc = now;
state.from = 'system.adapter.' + adapter.namespace;
pushHistory(task.id, state);
}
setImmediate(processStartValues);
});
}
else {
pushHistory(task.id, {
val: null,
ts: task.now || Date.now(),
lc: task.now || Date.now(),
ack: true,
q: 0x40,
from: 'system.adapter.' + adapter.namespace
});
setImmediate(processStartValues);
}
if (sqlDPs[task.id][adapter.namespace] && sqlDPs[task.id][adapter.namespace].changesRelogInterval > 0) {
sqlDPs[task.id].relogTimeout && clearTimeout(sqlDPs[task.id].relogTimeout);
sqlDPs[task.id].relogTimeout = setTimeout(reLogHelper, (sqlDPs[task.id][adapter.namespace].changesRelogInterval * 500 * Math.random()) + sqlDPs[task.id][adapter.namespace].changesRelogInterval * 500, task.id);
}
} else {
callback && callback();
}
}
function writeNulls(id, now) {
if (!id) {
now = Date.now();
Object.keys(sqlDPs)
.filter(_id => sqlDPs[_id] && sqlDPs[_id][adapter.namespace])
.forEach(_id => writeNulls(_id, now));
} else {
now = now || Date.now();
tasksStart.push({id, now});
if (tasksStart.length === 1 && connected) {
processStartValues();
}
}
}