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| // @flow
// Copyright (c) 2016 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.
import fs from 'fs';
import opentracing from 'opentracing';
import path from 'path';
import {Thrift} from 'thriftrw';
import Utils from './util.js';
export default class ThriftUtils {
static _thrift = new Thrift({
source: fs.readFileSync(path.join(__dirname, './jaeger-idl/thrift/jaeger.thrift'), 'ascii'),
allowOptionalArguments: true
});
static emptyBuffer: Buffer =new Buffer([0, 0 , 0, 0, 0, 0, 0, 0]);
static getThriftTags(initialTags: Array<Tag>): Array<any> {
let thriftTags = [];
for (let i = 0; i < initialTags.length; i++) {
let tag = initialTags[i];
let key: string = tag.key;
let vLong: Buffer = ThriftUtils.emptyBuffer;
let vBinary: Buffer = ThriftUtils.emptyBuffer;
let vBool: boolean = false;
let vDouble: number = 0;
let vStr: string = '';
let vType: string = '';
let valueType = typeof(tag.value);
if (valueType === 'number') {
vType = ThriftUtils._thrift.TagType.DOUBLE;
vDouble = tag.value;
} else if (valueType === 'boolean') {
vType = ThriftUtils._thrift.TagType.BOOL;
vBool = tag.value;
} else if (tag.value instanceof Buffer) {
vType = ThriftUtils._thrift.TagType.BINARY;
vBinary = tag.value;
} else {
vType = ThriftUtils._thrift.TagType.STRING;
if (valueType === 'string') {
vStr = tag.value;
} else {
vStr = String(tag.value);
}
}
thriftTags.push({
key: key,
vType: vType,
vStr: vStr,
vDouble: vDouble,
vBool: vBool,
vLong: vLong,
vBinary: vBinary
});
}
return thriftTags;
}
static getThriftLogs(logs: Array<LogData>): Array<any> {
let thriftLogs = [];
for (let i = 0; i < logs.length; i++) {
let log = logs[i];
thriftLogs.push({
'timestamp': Utils.encodeInt64(log.timestamp * 1000), // to microseconds
'fields': ThriftUtils.getThriftTags(log.fields)
});
}
return thriftLogs;
}
static spanRefsToThriftRefs(refs: Array<Reference>): Array<any> {
let thriftRefs = [];
for (let i = 0; i < refs.length; i++) {
let refEnum;
let ref = refs[i];
let context = refs[i].referencedContext();
if (ref.type() === opentracing.REFERENCE_CHILD_OF) {
refEnum = ThriftUtils._thrift.SpanRefType.CHILD_OF;
} else Eif (ref.type() === opentracing.REFERENCE_FOLLOWS_FROM) {
refEnum = ThriftUtils._thrift.SpanRefType.FOLLOWS_FROM
} else {
continue;
}
thriftRefs.push({
refType: refEnum,
traceIdLow: context.traceId,
traceIdHigh: ThriftUtils.emptyBuffer,
spanId: context.spanId
});
}
return thriftRefs;
}
static spanToThrift(span: Span): any {
let tags = ThriftUtils.getThriftTags(span._tags);
let logs = ThriftUtils.getThriftLogs(span._logs);
let unsigned = true;
return {
traceIdLow: span._spanContext.traceId,
traceIdHigh: ThriftUtils.emptyBuffer, // TODO(oibe) implement 128 bit ids
spanId: span._spanContext.spanId,
parentSpanId: span._spanContext.parentId || ThriftUtils.emptyBuffer,
operationName: span._operationName,
references: ThriftUtils.spanRefsToThriftRefs(span._references),
flags: span._spanContext.flags,
startTime: Utils.encodeInt64(span._startTime * 1000), // to microseconds
duration: Utils.encodeInt64(span._duration * 1000), // to microseconds
tags: tags,
logs: logs
}
}
}
|