diff options
Diffstat (limited to 'node.d/node_modules/netdata.js')
-rwxr-xr-x | node.d/node_modules/netdata.js | 1200 |
1 files changed, 607 insertions, 593 deletions
diff --git a/node.d/node_modules/netdata.js b/node.d/node_modules/netdata.js index 10f979b156..5fa7752185 100755 --- a/node.d/node_modules/netdata.js +++ b/node.d/node_modules/netdata.js @@ -1,593 +1,607 @@ -'use strict';
-
-var url = require('url');
-var http = require('http');
-var util = require('util');
-
-/*
-var netdata = require('netdata');
-
-var example_chart = {
- id: 'id', // the unique id of the chart
- name: 'name', // the name of the chart
- title: 'title', // the title of the chart
- units: 'units', // the units of the chart dimensions
- family: 'family', // the family of the chart
- category: 'category', // the category of the chart
- type: netdata.chartTypes.line, // the type of the chart
- priority: 0, // the priority relative to others in the same family and category
- update_every: 1, // the expected update frequency of the chart
- dimensions: {
- 'dim1': {
- id: 'dim1', // the unique id of the dimension
- name: 'name', // the name of the dimension
- algorithm: netdata.chartAlgorithms.absolute, // the id of the netdata algorithm
- multiplier: 1, // the multiplier
- divisor: 1, // the divisor
- hidden: false, // is hidden (boolean)
- },
- 'dim2': {
- id: 'dim2', // the unique id of the dimension
- name: 'name', // the name of the dimension
- algorithm: 'absolute', // the id of the netdata algorithm
- multiplier: 1, // the multiplier
- divisor: 1, // the divisor
- hidden: false, // is hidden (boolean)
- }
- // add as many dimensions as needed
- }
-};
-*/
-
-var netdata = {
- options: {
- filename: __filename,
- DEBUG: false,
- update_every: 1,
- },
-
- chartAlgorithms: {
- incremental: 'incremental',
- absolute: 'absolute',
- percentage_of_absolute_row: 'percentage-of-absolute-row',
- percentage_of_incremental_row: 'percentage-of-incremental-row'
- },
-
- chartTypes: {
- line: 'line',
- area: 'area',
- stacked: 'stacked'
- },
-
- services: new Array(),
- modules_configuring: 0,
- charts: {},
-
-
- processors: {
- http: {
- name: 'http',
-
- process: function(service, callback) {
- if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': making ' + this.name + ' request: ' + netdata.stringify(service.request));
-
- var req = http.request(service.request, function(response) {
- if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': got server response...');
-
- var end = false;
- var data = '';
- response.setEncoding('utf8');
-
- if(response.statusCode !== 200) {
- if(end === false) {
- service.error('Got HTTP code ' + response.statusCode + ', failed to get data.');
- end = true;
- callback(null);
- }
- }
-
- response.on('data', function(chunk) {
- if(end === false) data += chunk;
- });
-
- response.on('error', function() {
- if(end === false) {
- service.error(': Read error, failed to get data.');
- end = true;
- callback(null);
- }
- });
-
- response.on('end', function() {
- if(end === false) {
- if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': read completed.');
- end = true;
- callback(data);
- }
- });
- });
-
- req.on('error', function(e) {
- service.error('Failed to make request: ' + netdata.stringify(service.request) + ', message: ' + e.message);
- callback(null);
- });
-
- // write data to request body
- if(typeof service.postData !== 'undefined' && service.request.method === 'POST') {
- if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': posting data: ' + service.postData);
- req.write(service.postData);
- }
-
- req.end();
- }
- }
- },
-
- stringify: function(obj) {
- return util.inspect(obj, {depth: 10});
- },
-
- // show debug info, if debug is enabled
- debug: function(msg) {
- if(this.options.DEBUG === true) {
- var now = new Date();
- console.error(now.toString() + ': ' + netdata.options.filename + ': DEBUG: ' + ((typeof(msg) === 'object')?netdata.stringify(msg):msg).toString());
- }
- },
-
- // log an error
- error: function(msg) {
- var now = new Date();
- console.error(now.toString() + ': ' + netdata.options.filename + ': ERROR: ' + ((typeof(msg) === 'object')?netdata.stringify(msg):msg).toString());
- },
-
- // send data to netdata
- send: function(msg) {
- console.log(msg.toString());
- },
-
- service: function(service) {
- if(typeof service === 'undefined')
- service = {};
-
- service._current_chart = null; // the current chart we work on
- service._queue = ''; // data to be sent to netdata
-
- service.error_reported = false; // error log flood control
-
- service.added = false; // added to netdata.services
- service.enabled = true;
- service.updates = 0;
- service.running = false;
- service.started = 0;
- service.ended = 0;
- service.next_run = new Date().getTime();
-
- if(typeof service.update_every === 'undefined')
- service.update_every = service.module.update_every;
-
- if(typeof service.update_every === 'undefined')
- service.update_every = netdata.options.update_every;
-
- if(typeof service.processor === 'undefined')
- service.processor = netdata.processors.http;
-
- if(service.update_every < netdata.options.update_every)
- service.update_every = netdata.options.update_every;
-
- service.commit = function() {
- if(this.added !== true) {
- this.added = true;
-
- var now = new Date().getTime();
- while( this.next_run < now )
- this.next_run += (this.update_every * 1000);
-
- netdata.services.push(this);
- if(netdata.options.DEBUG === true) netdata.debug(this.module.name + ': ' + this.name + ': service committed.');
- }
- };
-
- service.execute = function(callback) {
- this.module.active++;
- this.running = true;
- this.started = new Date().getTime();
- this.updates++;
-
- if(netdata.options.DEBUG === true)
- netdata.debug(this.module.name + ': ' + this.name + ': making ' + this.processor.name + ' request: ' + netdata.stringify(this));
-
- this.processor.process(this, function(response) {
- service.ended = new Date().getTime();
- service.duration = service.ended - service.started;
-
- if(typeof response === 'undefined')
- response = null;
-
- if(response !== null)
- service.errorClear();
-
- if(netdata.options.DEBUG === true)
- netdata.debug(service.module.name + ': ' + service.name + ': processing ' + service.processor.name + ' response (received in ' + (service.ended - service.started).toString() + ' ms)');
-
- callback(service, response);
-
- service.running = false;
- service.module.active--;
- if(service.module.active < 0) {
- service.module.active = 0;
- if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': active module counter below zero.');
- }
-
- if(service.module.active === 0) {
- // check if we run under configure
- if(service.module.configure_callback !== null) {
- if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': configuration finish callback called from processResponse().');
- var ccallback = service.module.configure_callback;
- service.module.configure_callback = null;
- ccallback();
- }
- }
- });
- };
-
- service.update = function() {
- if(netdata.options.DEBUG === true) netdata.debug(this.module.name + ': ' + this.name + ': starting data collection...');
-
- this.module.update(this, function() {
- if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': data collection ended in ' + service.duration.toString() + ' ms.');
- });
- };
-
- service.error = function(message) {
- if(this.error_reported === false) {
- netdata.error(this.module.name + ': ' + this.name + ': ' + message);
- this.error_reported = true;
- }
- else if(netdata.options.DEBUG === true)
- netdata.debug(this.module.name + ': ' + this.name + ': ' + message);
- };
-
- service.errorClear = function() {
- this.error_reported = false;
- };
-
- service.queue = function(txt) {
- this._queue += txt + '\n';
- };
-
- service._send_chart_to_netdata = function(chart) {
- // internal function to send a chart to netdata
- this.queue('CHART "' + chart.id + '" "' + chart.name + '" "' + chart.title + '" "' + chart.units + '" "' + chart.family + '" "' + chart.category + '" "' + chart.type + '" ' + chart.priority.toString() + ' ' + chart.update_every.toString());
-
- for(var dim in chart.dimensions) {
- var d = chart.dimensions[dim];
-
- this.queue('DIMENSION "' + d.id + '" "' + d.name + '" "' + d.algorithm + '" ' + d.multiplier.toString() + ' ' + d.divisor.toString() + ' ' + ((d.hidden === true)?'hidden':'').toString());
- d._created = true;
- d._updated = false;
- }
-
- chart._created = true;
- chart._updated = false;
- };
-
- // begin data collection for a chart
- service.begin = function(chart) {
- if(this._current_chart !== null && this._current_chart !== chart) {
- this.error('Called begin() for chart ' + chart.id + ' while chart ' + this._current_chart.id + ' is still open. Closing it.');
- this.end();
- }
-
- if(typeof(chart.id) === 'undefined' || netdata.charts[chart.id] != chart) {
- this.error('Called begin() for chart ' + chart.id + ' that is not mine. Where did you find it? Ignoring it.');
- return false;
- }
-
- if(netdata.options.DEBUG === true) netdata.debug('setting current chart to ' + chart.id);
- this._current_chart = chart;
- this._current_chart._began = true;
-
- if(this._current_chart._dimensions_count !== 0) {
- if(this._current_chart._created === false || this._current_chart._updated === true)
- this._send_chart_to_netdata(this._current_chart);
-
- var now = this.ended;
- this.queue('BEGIN ' + this._current_chart.id + ' ' + ((this._current_chart._last_updated > 0)?((now - this._current_chart._last_updated) * 1000):'').toString());
- }
- // else this.error('Called begin() for chart ' + chart.id + ' which is empty.');
-
- this._current_chart._last_updated = now;
- this._current_chart._began = true;
- this._current_chart._counter++;
-
- return true;
- };
-
- // set a collected value for a chart
- // we do most things on the first value we attempt to set
- service.set = function(dimension, value) {
- if(this._current_chart === null) {
- this.error('Called set(' + dimension + ', ' + value + ') without an open chart.');
- return false;
- }
-
- if(typeof(this._current_chart.dimensions[dimension]) === 'undefined') {
- this.error('Called set(' + dimension + ', ' + value + ') but dimension "' + dimension + '" does not exist in chart "' + this._current_chart.id + '".');
- return false;
- }
-
- if(typeof value === 'undefined' || value === null)
- return false;
-
- if(this._current_chart._dimensions_count !== 0)
- this.queue('SET ' + dimension + ' = ' + value);
-
- return true;
- };
-
- // end data collection for the current chart - after calling begin()
- service.end = function() {
- if(this._current_chart !== null && this._current_chart._began === false) {
- this.error('Called end() without an open chart.');
- return false;
- }
-
- if(this._current_chart._dimensions_count !== 0) {
- this.queue('END');
- netdata.send(this._queue);
- }
-
- this._queue = '';
- this._current_chart._began = false;
- if(netdata.options.DEBUG === true) netdata.debug('sent chart ' + this._current_chart.id);
- this._current_chart = null;
- return true;
- };
-
- // discard the collected values for the current chart - after calling begin()
- service.flush = function() {
- if(this._current_chart === null || this._current_chart._began === false) {
- this.error('Called flush() without an open chart.');
- return false;
- }
-
- this._queue = '';
- this._current_chart._began = false;
- this._current_chart = null;
- return true;
- };
-
- // create a netdata chart
- service.chart = function(id, chart) {
- if(typeof(netdata.charts[id]) === 'undefined') {
- netdata.charts[id] = {
- _created: false,
- _updated: true,
- _began: false,
- _counter: 0,
- _last_updated: 0,
- _dimensions_count: 0,
- id: id,
- name: id,
- title: 'untitled chart',
- units: 'a unit',
- family: '',
- category: '',
- type: netdata.chartTypes.line,
- priority: 0,
- update_every: netdata.options.update_every,
- dimensions: {}
- };
- }
-
- var c = netdata.charts[id];
-
- if(typeof(chart.name) !== 'undefined' && chart.name !== c.name) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its name');
- c.name = chart.name;
- c._updated = true;
- }
-
- if(typeof(chart.title) !== 'undefined' && chart.title !== c.title) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its title');
- c.title = chart.title;
- c._updated = true;
- }
-
- if(typeof(chart.units) !== 'undefined' && chart.units !== c.units) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its units');
- c.units = chart.units;
- c._updated = true;
- }
-
- if(typeof(chart.family) !== 'undefined' && chart.family !== c.family) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its family');
- c.family = chart.family;
- c._updated = true;
- }
-
- if(typeof(chart.category) !== 'undefined' && chart.category !== c.category) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its category');
- c.category = chart.category;
- c._updated = true;
- }
-
- if(typeof(chart.type) !== 'undefined' && chart.type !== c.type) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its type');
- c.type = chart.type;
- c._updated = true;
- }
-
- if(typeof(chart.priority) !== 'undefined' && chart.priority !== c.priority) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its priority');
- c.priority = chart.priority;
- c._updated = true;
- }
-
- if(typeof(chart.update_every) !== 'undefined' && chart.update_every !== c.update_every) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its update_every from ' + c.update_every + ' to ' + chart.update_every);
- c.update_every = chart.update_every;
- c._updated = true;
- }
-
- if(typeof(chart.dimensions) !== 'undefined') {
- for(var x in chart.dimensions) {
- if(typeof(c.dimensions[x]) === 'undefined') {
- c._dimensions_count++;
-
- c.dimensions[x] = {
- _created: false,
- _updated: false,
- id: x, // the unique id of the dimension
- name: x, // the name of the dimension
- algorithm: netdata.chartAlgorithms.absolute, // the id of the netdata algorithm
- multiplier: 1, // the multiplier
- divisor: 1, // the divisor
- hidden: false, // is hidden (boolean)
- };
-
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' created dimension ' + x);
- c._updated = true;
- }
-
- var dim = chart.dimensions[x];
- var d = c.dimensions[x];
-
- if(typeof(dim.name) !== 'undefined' && d.name !== dim.name) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its name');
- d.name = dim.name;
- d._updated = true;
- }
-
- if(typeof(dim.algorithm) !== 'undefined' && d.algorithm !== dim.algorithm) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its algorithm from ' + d.algorithm + ' to ' + dim.algorithm);
- d.algorithm = dim.algorithm;
- d._updated = true;
- }
-
- if(typeof(dim.multiplier) !== 'undefined' && d.multiplier !== dim.multiplier) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its multiplier');
- d.multiplier = dim.multiplier;
- d._updated = true;
- }
-
- if(typeof(dim.divisor) !== 'undefined' && d.divisor !== dim.divisor) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its divisor');
- d.divisor = dim.divisor;
- d._updated = true;
- }
-
- if(typeof(dim.hidden) !== 'undefined' && d.hidden !== dim.hidden) {
- if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its hidden status');
- d.hidden = dim.hidden;
- d._updated = true;
- }
-
- if(d._updated) c._updated = true;
- }
- }
-
- //if(netdata.options.DEBUG === true) netdata.debug(netdata.charts);
- return netdata.charts[id];
- };
-
- return service;
- },
-
- runAllServices: function() {
- if(netdata.options.DEBUG === true) netdata.debug('runAllServices()');
-
- var now = new Date().getTime();
- var len = netdata.services.length;
- while(len--) {
- var service = netdata.services[len];
-
- if(service.enabled === false || service.running === true) continue;
- if(now <= service.next_run) continue;
-
- service.update();
-
- now = new Date().getTime();
- while(service.next_run < now)
- service.next_run += (service.update_every * 1000);
- }
-
- // 1/10th of update_every in pause
- setTimeout(netdata.runAllServices, netdata.options.update_every * 100);
- },
-
- start: function() {
- if(netdata.options.DEBUG === true) this.debug('started, services: ' + netdata.stringify(this.services));
-
- if(this.services.length === 0) {
- this.disableNodePlugin();
- process.exit(1);
- }
- else this.runAllServices();
- },
-
- // disable the whole node.js plugin
- disableNodePlugin: function() {
- this.send('DISABLE');
- process.exit(1);
- },
-
- requestFromParams: function(protocol, hostname, port, path, method) {
- return {
- protocol: protocol,
- hostname: hostname,
- port: port,
- path: path,
- //family: 4,
- method: method,
- headers: {
- 'Content-Type': 'application/x-www-form-urlencoded',
- 'Connection': 'keep-alive'
- },
- agent: new http.Agent({
- keepAlive: true,
- keepAliveMsecs: netdata.options.update_every * 1000,
- maxSockets: 2, // it must be 2 to work
- maxFreeSockets: 1
- })
- };
- },
-
- requestFromURL: function(a_url) {
- var u = url.parse(a_url);
- return netdata.requestFromParams(u.protocol, u.hostname, u.port, u.path, 'GET');
- },
-
- configure: function(module, config, callback) {
- if(netdata.options.DEBUG === true) this.debug(module.name + ': configuring (update_every: ' + this.options.update_every + ')...');
-
- module.active = 0;
- module.update_every = this.options.update_every;
-
- if(typeof config.update_every !== 'undefined')
- module.update_every = config.update_every;
-
- module.enable_autodetect = (config.enable_autodetect)?true:false;
-
- if(typeof(callback) === 'function')
- module.configure_callback = callback;
- else
- module.configure_callback = null;
-
- var added = module.configure(config);
-
- if(netdata.options.DEBUG === true) this.debug(module.name + ': configured, reporting ' + added + ' eligible services.');
-
- if(module.configure_callback !== null && added === 0) {
- if(netdata.options.DEBUG === true) this.debug(module.name + ': configuration finish callback called from configure().');
- module.configure_callback = null;
- callback();
- }
-
- return added;
- }
-};
-
-if(netdata.options.DEBUG === true) netdata.debug('loaded netdata from: ' + __filename);
-module.exports = netdata;
+'use strict'; + +var url = require('url'); +var http = require('http'); +var util = require('util'); + +/* +var netdata = require('netdata'); + +var example_chart = { + id: 'id', // the unique id of the chart + name: 'name', // the name of the chart + title: 'title', // the title of the chart + units: 'units', // the units of the chart dimensions + family: 'family', // the family of the chart + category: 'category', // the category of the chart + type: netdata.chartTypes.line, // the type of the chart + priority: 0, // the priority relative to others in the same family and category + update_every: 1, // the expected update frequency of the chart + dimensions: { + 'dim1': { + id: 'dim1', // the unique id of the dimension + name: 'name', // the name of the dimension + algorithm: netdata.chartAlgorithms.absolute, // the id of the netdata algorithm + multiplier: 1, // the multiplier + divisor: 1, // the divisor + hidden: false, // is hidden (boolean) + }, + 'dim2': { + id: 'dim2', // the unique id of the dimension + name: 'name', // the name of the dimension + algorithm: 'absolute', // the id of the netdata algorithm + multiplier: 1, // the multiplier + divisor: 1, // the divisor + hidden: false, // is hidden (boolean) + } + // add as many dimensions as needed + } +}; +*/ + +var netdata = { + options: { + filename: __filename, + DEBUG: false, + update_every: 1, + }, + + chartAlgorithms: { + incremental: 'incremental', + absolute: 'absolute', + percentage_of_absolute_row: 'percentage-of-absolute-row', + percentage_of_incremental_row: 'percentage-of-incremental-row' + }, + + chartTypes: { + line: 'line', + area: 'area', + stacked: 'stacked' + }, + + services: new Array(), + modules_configuring: 0, + charts: {}, + + + processors: { + http: { + name: 'http', + + process: function(service, callback) { + if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': making ' + this.name + ' request: ' + netdata.stringify(service.request)); + + var req = http.request(service.request, function(response) { + if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': got server response...'); + + var end = false; + var data = ''; + response.setEncoding('utf8'); + + if(response.statusCode !== 200) { + if(end === false) { + service.error('Got HTTP code ' + response.statusCode + ', failed to get data.'); + end = true; + callback(null); + } + } + + response.on('data', function(chunk) { + if(end === false) data += chunk; + }); + + response.on('error', function() { + if(end === false) { + service.error(': Read error, failed to get data.'); + end = true; + callback(null); + } + }); + + response.on('end', function() { + if(end === false) { + if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': read completed.'); + end = true; + callback(data); + } + }); + }); + + req.on('error', function(e) { + service.error('Failed to make request: ' + netdata.stringify(service.request) + ', message: ' + e.message); + callback(null); + }); + + // write data to request body + if(typeof service.postData !== 'undefined' && service.request.method === 'POST') { + if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': posting data: ' + service.postData); + req.write(service.postData); + } + + req.end(); + } + } + }, + + stringify: function(obj) { + return util.inspect(obj, {depth: 10}); + }, + + // show debug info, if debug is enabled + debug: function(msg) { + if(this.options.DEBUG === true) { + var now = new Date(); + console.error(now.toString() + ': ' + netdata.options.filename + ': DEBUG: ' + ((typeof(msg) === 'object')?netdata.stringify(msg):msg).toString()); + } + }, + + // log an error + error: function(msg) { + var now = new Date(); + console.error(now.toString() + ': ' + netdata.options.filename + ': ERROR: ' + ((typeof(msg) === 'object')?netdata.stringify(msg):msg).toString()); + }, + + // send data to netdata + send: function(msg) { + console.log(msg.toString()); + }, + + service: function(service) { + if(typeof service === 'undefined') + service = {}; + + service._current_chart = null; // the current chart we work on + service._queue = ''; // data to be sent to netdata + + service.error_reported = false; // error log flood control + + service.added = false; // added to netdata.services + service.enabled = true; + service.updates = 0; + service.running = false; + service.started = 0; + service.ended = 0; + service.next_run = new Date().getTime(); + + if(typeof service.module === 'undefined') { + service.module = { name: 'not-defined-module' }; + service.error('Attempted to create service without a module.'); + service.enabled = false; + } + + if(typeof service.name === 'undefined') + service.name = 'unnamed@' + service.module.name + '/' + service.next_run; + + if(typeof service.update_every === 'undefined') + service.update_every = service.module.update_every; + + if(typeof service.update_every === 'undefined') + service.update_every = netdata.options.update_every; + + if(typeof service.processor === 'undefined') + service.processor = netdata.processors.http; + + if(service.update_every < netdata.options.update_every) + service.update_every = netdata.options.update_every; + + service.commit = function() { + if(this.added !== true) { + this.added = true; + + var now = new Date().getTime(); + while( this.next_run < now ) + this.next_run += (this.update_every * 1000); + + netdata.services.push(this); + if(netdata.options.DEBUG === true) netdata.debug(this.module.name + ': ' + this.name + ': service committed.'); + } + }; + + service.execute = function(callback) { + if(service.enabled === false) { + callback(null); + return; + } + + this.module.active++; + this.running = true; + this.started = new Date().getTime(); + this.updates++; + + if(netdata.options.DEBUG === true) + netdata.debug(this.module.name + ': ' + this.name + ': making ' + this.processor.name + ' request: ' + netdata.stringify(this)); + + this.processor.process(this, function(response) { + service.ended = new Date().getTime(); + service.duration = service.ended - service.started; + + if(typeof response === 'undefined') + response = null; + + if(response !== null) + service.errorClear(); + + if(netdata.options.DEBUG === true) + netdata.debug(service.module.name + ': ' + service.name + ': processing ' + service.processor.name + ' response (received in ' + (service.ended - service.started).toString() + ' ms)'); + + callback(service, response); + + service.running = false; + service.module.active--; + if(service.module.active < 0) { + service.module.active = 0; + if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': active module counter below zero.'); + } + + if(service.module.active === 0) { + // check if we run under configure + if(service.module.configure_callback !== null) { + if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': configuration finish callback called from processResponse().'); + var ccallback = service.module.configure_callback; + service.module.configure_callback = null; + ccallback(); + } + } + }); + }; + + service.update = function() { + if(netdata.options.DEBUG === true) netdata.debug(this.module.name + ': ' + this.name + ': starting data collection...'); + + this.module.update(this, function() { + if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': data collection ended in ' + service.duration.toString() + ' ms.'); + }); + }; + + service.error = function(message) { + if(this.error_reported === false) { + netdata.error(this.module.name + ': ' + this.name + ': ' + message); + this.error_reported = true; + } + else if(netdata.options.DEBUG === true) + netdata.debug(this.module.name + ': ' + this.name + ': ' + message); + }; + + service.errorClear = function() { + this.error_reported = false; + }; + + service.queue = function(txt) { + this._queue += txt + '\n'; + }; + + service._send_chart_to_netdata = function(chart) { + // internal function to send a chart to netdata + this.queue('CHART "' + chart.id + '" "' + chart.name + '" "' + chart.title + '" "' + chart.units + '" "' + chart.family + '" "' + chart.category + '" "' + chart.type + '" ' + chart.priority.toString() + ' ' + chart.update_every.toString()); + + for(var dim in chart.dimensions) { + var d = chart.dimensions[dim]; + + this.queue('DIMENSION "' + d.id + '" "' + d.name + '" "' + d.algorithm + '" ' + d.multiplier.toString() + ' ' + d.divisor.toString() + ' ' + ((d.hidden === true)?'hidden':'').toString()); + d._created = true; + d._updated = false; + } + + chart._created = true; + chart._updated = false; + }; + + // begin data collection for a chart + service.begin = function(chart) { + if(this._current_chart !== null && this._current_chart !== chart) { + this.error('Called begin() for chart ' + chart.id + ' while chart ' + this._current_chart.id + ' is still open. Closing it.'); + this.end(); + } + + if(typeof(chart.id) === 'undefined' || netdata.charts[chart.id] != chart) { + this.error('Called begin() for chart ' + chart.id + ' that is not mine. Where did you find it? Ignoring it.'); + return false; + } + + if(netdata.options.DEBUG === true) netdata.debug('setting current chart to ' + chart.id); + this._current_chart = chart; + this._current_chart._began = true; + + if(this._current_chart._dimensions_count !== 0) { + if(this._current_chart._created === false || this._current_chart._updated === true) + this._send_chart_to_netdata(this._current_chart); + + var now = this.ended; + this.queue('BEGIN ' + this._current_chart.id + ' ' + ((this._current_chart._last_updated > 0)?((now - this._current_chart._last_updated) * 1000):'').toString()); + } + // else this.error('Called begin() for chart ' + chart.id + ' which is empty.'); + + this._current_chart._last_updated = now; + this._current_chart._began = true; + this._current_chart._counter++; + + return true; + }; + + // set a collected value for a chart + // we do most things on the first value we attempt to set + service.set = function(dimension, value) { + if(this._current_chart === null) { + this.error('Called set(' + dimension + ', ' + value + ') without an open chart.'); + return false; + } + + if(typeof(this._current_chart.dimensions[dimension]) === 'undefined') { + this.error('Called set(' + dimension + ', ' + value + ') but dimension "' + dimension + '" does not exist in chart "' + this._current_chart.id + '".'); + return false; + } + + if(typeof value === 'undefined' || value === null) + return false; + + if(this._current_chart._dimensions_count !== 0) + this.queue('SET ' + dimension + ' = ' + value); + + return true; + }; + + // end data collection for the current chart - after calling begin() + service.end = function() { + if(this._current_chart !== null && this._current_chart._began === false) { + this.error('Called end() without an open chart.'); + return false; + } + + if(this._current_chart._dimensions_count !== 0) { + this.queue('END'); + netdata.send(this._queue); + } + + this._queue = ''; + this._current_chart._began = false; + if(netdata.options.DEBUG === true) netdata.debug('sent chart ' + this._current_chart.id); + this._current_chart = null; + return true; + }; + + // discard the collected values for the current chart - after calling begin() + service.flush = function() { + if(this._current_chart === null || this._current_chart._began === false) { + this.error('Called flush() without an open chart.'); + return false; + } + + this._queue = ''; + this._current_chart._began = false; + this._current_chart = null; + return true; + }; + + // create a netdata chart + service.chart = function(id, chart) { + if(typeof(netdata.charts[id]) === 'undefined') { + netdata.charts[id] = { + _created: false, + _updated: true, + _began: false, + _counter: 0, + _last_updated: 0, + _dimensions_count: 0, + id: id, + name: id, + title: 'untitled chart', + units: 'a unit', + family: '', + category: '', + type: netdata.chartTypes.line, + priority: 0, + update_every: netdata.options.update_every, + dimensions: {} + }; + } + + var c = netdata.charts[id]; + + if(typeof(chart.name) !== 'undefined' && chart.name !== c.name) { + if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its name'); + c.name = chart.name; + c._updated = true; + } + + if(typeof(chart.title) !== 'undefined' && chart.title !== c.title) { + if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its title'); + c.title = chart.title; + c._updated = true; + } + + if(typeof(chart.units) !== 'undefined' && chart.units !== c.units) { + if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its units'); + c.units = chart.units; + c._updated = true; + } + + if(typeof(chart.family) !== 'undefined' && chart.family !== c.family) { + if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its family'); + c.family = chart.family; + c._updated = true; + } + + if(typeof(chart.category) !== 'undef |