MongoDB C++ Driver  legacy-1.1.2
log_component_settings.h
1 /* Copyright 2014 MongoDB Inc.
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.
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7  * http://www.apache.org/licenses/LICENSE-2.0
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9  * Unless required by applicable law or agreed to in writing, software
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12  * See the License for the specific language governing permissions and
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14  */
15 
16 #pragma once
17 
18 #include "mongo/base/disallow_copying.h"
19 #include "mongo/logger/log_component.h"
20 #include "mongo/logger/log_severity.h"
21 
22 namespace mongo {
23 namespace logger {
24 
31  MONGO_DISALLOW_COPYING(LogComponentSettings);
32 
33 public:
36 
41  bool hasMinimumLogSeverity(LogComponent component) const;
42 
48 
52  void setMinimumLoggedSeverity(LogComponent component, LogSeverity severity);
53 
59 
67  bool shouldLog(LogComponent component, LogSeverity severity) const;
68 
69 private:
70  // True if a log severity is explicitly set for a component.
71  // This differentiates between unconfigured components and components that happen to have
72  // the same severity as kDefault.
73  // This is also used to update the severities of unconfigured components when the severity
74  // for kDefault is modified.
75  bool _hasMinimumLoggedSeverity[LogComponent::kNumLogComponents];
76 
77  // Log severities for components.
78  // Store numerical values of severities to be cache-line friendly.
79  // Set to kDefault minimum logged severity if _hasMinimumLoggedSeverity[i] is false.
80  char _minimumLoggedSeverity[LogComponent::kNumLogComponents];
81 };
82 
83 } // namespace logger
84 } // namespace mongo
Log components.
Definition: log_component.h:32
LogSeverity getMinimumLogSeverity(LogComponent component) const
Gets the minimum log severity for component.
Utility functions for parsing numbers from strings.
Definition: compare_numbers.h:20
void setMinimumLoggedSeverity(LogComponent component, LogSeverity severity)
Sets the minimum log severity for component.
void clearMinimumLoggedSeverity(LogComponent component)
Clears the minimum log severity for component.
bool shouldLog(LogComponent component, LogSeverity severity) const
Predicate that answers the question, "Should I, the caller, append to you, the log domain...
Contains log severities for a list of log components.
Definition: log_component_settings.h:30
bool hasMinimumLogSeverity(LogComponent component) const
Returns true if a minimum log severity has been set for this component.
Representation of the severity / priority of a log message.
Definition: log_severity.h:33