]>
git.proxmox.com Git - ceph.git/blob - ceph/src/jaegertracing/jaeger-client-cpp/src/jaegertracing/TraceID.cpp
2 * Copyright (c) 2017 Uber Technologies, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include "jaegertracing/TraceID.h"
18 #include "jaegertracing/utils/HexParsing.h"
23 namespace jaegertracing
{
25 TraceID
TraceID::fromStream(std::istream
& in
)
28 constexpr auto kMaxChars
= static_cast<size_t>(32);
29 auto buffer
= utils::HexParsing::readSegment(in
, kMaxChars
, ':');
35 if (buffer
.size() < kMaxChars
/ 2) {
36 traceID
._low
= utils::HexParsing::decodeHex
<uint64_t>(buffer
);
39 auto beginLowStr
= std::end(buffer
) - kMaxChars
/ 2;
40 const std::string
highStr(std::begin(buffer
), beginLowStr
);
41 traceID
._high
= utils::HexParsing::decodeHex
<uint64_t>(highStr
);
42 const std::string
lowStr(beginLowStr
, std::end(buffer
));
43 traceID
._low
= utils::HexParsing::decodeHex
<uint64_t>(lowStr
);
49 } // namespace jaegertracing