stat-tags.js

// Copyright (c) 2015 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

'use strict';

var BatchStatsd = require('tchannel/lib/statsd');
var clean = BatchStatsd.clean;

module.exports = {
    RateLimiterServiceTags: RateLimiterServiceTags,
    RateLimiterEdgeTags: RateLimiterEdgeTags,
    RateLimiterEmptyTags: RateLimiterEmptyTags
};

function RateLimiterServiceTags(serviceName) {
    var self = this;

    self.app = null;
    self.host = null;
    self.cluster = null;
    self.version = null;

    self.targetService = serviceName;
}

RateLimiterServiceTags.prototype.toStatKey = function toStatKey(prefix) {
    var self = this;

    return prefix + '.' +
        clean(self.targetService, 'no-target-service');
};

function RateLimiterEdgeTags(edgeName) {
    var self = this;

    self.app = null;
    self.host = null;
    self.cluster = null;
    self.version = null;

    self.edgeName = edgeName;
}

RateLimiterEdgeTags.prototype.toStatKey = function toStatKey(prefix) {
    var self = this;

    return prefix + '.' +
        clean(self.edgeName, 'no-edge-name');
};

function RateLimiterEmptyTags() {
    var self = this;

    self.app = null;
    self.host = null;
    self.cluster = null;
    self.version = null;
}

RateLimiterEmptyTags.prototype.toStatKey = function toStatKey(prefix) {
    return prefix;
};