/Users/deen/code/yugabyte-db/ent/src/yb/cdc/cdc_util.h
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1 | | // Copyright (c) YugaByte, Inc. |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
4 | | // in compliance with the License. You may obtain a copy of the License at |
5 | | // |
6 | | // http://www.apache.org/licenses/LICENSE-2.0 |
7 | | // |
8 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
9 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
10 | | // or implied. See the License for the specific language governing permissions and limitations |
11 | | // under the License. |
12 | | // |
13 | | |
14 | | #ifndef ENT_SRC_YB_CDC_CDC_UTIL_H |
15 | | #define ENT_SRC_YB_CDC_CDC_UTIL_H |
16 | | |
17 | | #include <stdlib.h> |
18 | | #include <string> |
19 | | #include <boost/functional/hash.hpp> |
20 | | |
21 | | #include "yb/common/entity_ids_types.h" |
22 | | #include "yb/util/format.h" |
23 | | |
24 | | namespace yb { |
25 | | namespace cdc { |
26 | | |
27 | | struct ConsumerTabletInfo { |
28 | | std::string tablet_id; |
29 | | TableId table_id; |
30 | | }; |
31 | | |
32 | | struct ProducerTabletInfo { |
33 | | std::string universe_uuid; /* needed on Consumer side for uniqueness. Empty on Producer */ |
34 | | CDCStreamId stream_id; /* unique ID on Producer, but not on Consumer. */ |
35 | | std::string tablet_id; |
36 | | |
37 | 8.41k | bool operator==(const ProducerTabletInfo& other) const { |
38 | 8.41k | return universe_uuid == other.universe_uuid && |
39 | 8.41k | stream_id == other.stream_id && |
40 | 8.41k | tablet_id == other.tablet_id4.44k ; |
41 | 8.41k | } |
42 | | |
43 | 0 | std::string ToString() const { |
44 | 0 | return Format("{ universe_uuid: $0 stream_id: $1 tablet_id: $2 }", |
45 | 0 | universe_uuid, stream_id, tablet_id); |
46 | 0 | } |
47 | | |
48 | | // String used as a descriptor id for metrics. |
49 | 444 | std::string MetricsString() const { |
50 | 444 | std::stringstream ss; |
51 | 444 | ss << universe_uuid << ":" << stream_id << ":" << tablet_id; |
52 | 444 | return ss.str(); |
53 | 444 | } |
54 | | |
55 | | struct Hash { |
56 | 16.1k | std::size_t operator()(const ProducerTabletInfo& p) const noexcept { |
57 | 16.1k | std::size_t hash = 0; |
58 | 16.1k | boost::hash_combine(hash, p.universe_uuid); |
59 | 16.1k | boost::hash_combine(hash, p.stream_id); |
60 | 16.1k | boost::hash_combine(hash, p.tablet_id); |
61 | | |
62 | 16.1k | return hash; |
63 | 16.1k | } |
64 | | }; |
65 | | }; |
66 | | |
67 | | struct CDCCreationState { |
68 | | std::vector<CDCStreamId> created_cdc_streams; |
69 | | std::vector<ProducerTabletInfo> producer_entries_modified; |
70 | | |
71 | 306 | void Clear() { |
72 | 306 | created_cdc_streams.clear(); |
73 | 306 | producer_entries_modified.clear(); |
74 | 306 | } |
75 | | }; |
76 | | |
77 | 15.6k | inline size_t hash_value(const ProducerTabletInfo& p) noexcept { |
78 | 15.6k | return ProducerTabletInfo::Hash()(p); |
79 | 15.6k | } |
80 | | |
81 | | } // namespace cdc |
82 | | } // namespace yb |
83 | | |
84 | | |
85 | | #endif // ENT_SRC_YB_CDC_CDC_UTIL_H |