flags.h (2395B)
1 // Copyright 2022 The Abseil Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 // ----------------------------------------------------------------------------- 16 // File: log/log_flags.h 17 // ----------------------------------------------------------------------------- 18 // 19 // This header declares set of flags which can be used to configure Abseil 20 // Logging library behaviour at runtime. 21 22 #ifndef ABSL_LOG_INTERNAL_FLAGS_H_ 23 #define ABSL_LOG_INTERNAL_FLAGS_H_ 24 25 #include <string> 26 27 #include "absl/flags/declare.h" 28 29 // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 30 // These flags should not be used in C++ code to access logging library 31 // configuration knobs. Use interfaces defined in absl/log/globals.h 32 // instead. It is still ok to use these flags on a command line. 33 // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 34 35 // Log messages at this severity or above are sent to stderr in *addition* to 36 // `LogSink`s. Defaults to `ERROR`. See log_severity.h for numeric values of 37 // severity levels. 38 ABSL_DECLARE_FLAG(int, stderrthreshold); 39 40 // Log messages at this severity or above are logged; others are discarded. 41 // Defaults to `INFO`, i.e. log all severities. See log_severity.h for numeric 42 // values of severity levels. 43 ABSL_DECLARE_FLAG(int, minloglevel); 44 45 // If specified in the form file:linenum, any messages logged from a matching 46 // location will also include a backtrace. 47 ABSL_DECLARE_FLAG(std::string, log_backtrace_at); 48 49 // If true, the log prefix (severity, date, time, PID, etc.) is prepended to 50 // each message logged. Defaults to true. 51 ABSL_DECLARE_FLAG(bool, log_prefix); 52 53 // Global log verbosity level. Default is 0. 54 ABSL_DECLARE_FLAG(int, v); 55 56 // Per-module log verbosity level. By default is empty and is unused. 57 ABSL_DECLARE_FLAG(std::string, vmodule); 58 59 #endif // ABSL_LOG_INTERNAL_FLAGS_H_