/Users/deen/code/yugabyte-db/src/yb/util/main_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 | | // Utilities to be used in the main() function. |
14 | | |
15 | | #ifndef YB_UTIL_MAIN_UTIL_H |
16 | | #define YB_UTIL_MAIN_UTIL_H |
17 | | |
18 | | #include <fcntl.h> |
19 | | #include <string.h> |
20 | | |
21 | | #include <cstdarg> |
22 | | #include <cstdlib> |
23 | | #include <iostream> |
24 | | |
25 | | #include "yb/gutil/strings/split.h" |
26 | | |
27 | | #include "yb/util/status_fwd.h" |
28 | | #include "yb/util/env.h" |
29 | | #include "yb/util/faststring.h" |
30 | | #include "yb/util/fault_injection.h" |
31 | | #include "yb/util/logging.h" |
32 | | #include "yb/util/path_util.h" |
33 | | |
34 | | namespace yb { |
35 | | |
36 | | // If the given status is not OK, log or print the status and return from the main() function. |
37 | 75.8k | #define LOG_AND_RETURN_FROM_MAIN_NOT_OK(status) do { \ |
38 | 75.8k | auto&& _status = (status); \ |
39 | 75.8k | if (!_status.ok()) { \ |
40 | 1 | if (IsLoggingInitialized()) { \ |
41 | 1 | LOG(FATAL) << ToStatus(_status); \ |
42 | 1 | } else { \ |
43 | 0 | std::cerr << ToStatus(_status) << std::endl; \ |
44 | 0 | } \ |
45 | 1 | return EXIT_FAILURE; \ |
46 | 1 | } \ |
47 | 75.8k | } while (false75.8k ) |
48 | | |
49 | | |
50 | | // Given a status, return a copy of it. |
51 | | // For use in the above macro, so it works with both Status and Result. |
52 | 1 | inline Status ToStatus(const Status& status) { |
53 | 1 | return status; |
54 | 1 | } |
55 | | |
56 | | // Generic template to extract status from a result, to be used in the above macro. |
57 | | template<class T> |
58 | 0 | Status ToStatus(const Result<T>& result) { |
59 | 0 | return result.status(); |
60 | 0 | } Unexecuted instantiation: yb::Status yb::ToStatus<yb::master::MasterOptions>(yb::Result<yb::master::MasterOptions> const&) Unexecuted instantiation: yb::Status yb::ToStatus<yb::tserver::TabletServerOptions>(yb::Result<yb::tserver::TabletServerOptions> const&) Unexecuted instantiation: yb::Status yb::ToStatus<yb::pgwrapper::PgProcessConf>(yb::Result<yb::pgwrapper::PgProcessConf> const&) Unexecuted instantiation: yb::Status yb::ToStatus<std::__1::vector<yb::HostPort, std::__1::allocator<yb::HostPort> > >(yb::Result<std::__1::vector<yb::HostPort, std::__1::allocator<yb::HostPort> > > const&) |
61 | | |
62 | | } // namespace yb |
63 | | |
64 | | #endif // YB_UTIL_MAIN_UTIL_H |