/Users/deen/code/yugabyte-db/src/yb/util/pg_util.cc
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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 | | #include "yb/util/pg_util.h" |
15 | | |
16 | | #include <string> |
17 | | |
18 | | #include "yb/util/format.h" |
19 | | #include "yb/util/hash_util.h" |
20 | | |
21 | | namespace yb { |
22 | | |
23 | | // Derive a socket directory name for tserver-postgres authentication purposes. |
24 | | // Since the socket itself is named with the port number, the directory holding it must |
25 | | // be unique with respect to the bind address in order to avoid conflicts with other clusters |
26 | | // listening on different addresses but same ports. To avoid the 108 character limit for the socket |
27 | | // path, use a hash of the bind address. |
28 | 5.88k | std::string PgDeriveSocketDir(const std::string& host) { |
29 | 5.88k | return Format("/tmp/.yb.$0", HashUtil::MurmurHash2_64(host.c_str(), host.size(), 0 /* seed */)); |
30 | 5.88k | } |
31 | | |
32 | | } // namespace yb |