LogService

enum gr_logservice::SeverityLevel

Values:

LOG_ERROR = 1

Indicates the bundle or service may not be functional.

Action should be taken to correct this situation.

LOG_WARNING = 2

Indicates a bundle or service is still functioning but may experience problems in the future because of the warning condition.

LOG_INFO = 3

May be the result of any change in the bundle or service and does not indicate a problem.

LOG_DEBUG = 4

Used for problem determination and may be irrelevant to anyone but the bundle developer.

class cppmicroservices::logservice::LogService
#include <cppmicroservices/logservice/LogService.hpp>

Provides methods for bundles to write messages to the log.

LogService methods are provided to log messages; optionally with a ServiceReference object or an exception. Bundles must log messages in the OSGi environment with a severity level according to the following hierarchy:

  1. LOG_ERROR
  2. LOG_WARNING
  3. LOG_INFO
  4. LOG_DEBUG

Remark
This class is thread safe.

Public Functions

virtual ~LogService()
virtual void Log(SeverityLevel level, std::string const &message) = 0

Logs a message.

Parameters
  • level: The severity of the message. This should be one of the defined log levels but may be any integer that is interpreted in a user defined way.
  • message: Human readable string describing the condition or empty string.

virtual void Log(SeverityLevel level, std::string const &message, const std::exception_ptr ex) = 0

Logs a message.

Parameters
  • level: The severity of the message. This should be one of the defined log levels but may be any integer that is interpreted in a user defined way.
  • message: Human readable string describing the condition or empty string.
  • ex: The exception that reflects the condition or nullptr.

virtual void Log(ServiceReferenceBase const &sr, SeverityLevel level, std::string const &message) = 0

Logs a message.

Parameters
  • sr: The ServiceReferenceBase object of the service that this message is associated with or an invalid object.
  • level: The severity of the message. This should be one of the defined log levels but may be any integer that is interpreted in a user defined way.
  • message: Human readable string describing the condition or empty string.

virtual void Log(ServiceReferenceBase const &sr, SeverityLevel level, std::string const &message, const std::exception_ptr ex) = 0

Logs a message with an exception associated and a ServiceReference object.

Parameters
  • sr: The ServiceReferenceBase object of the service that this message is associated with or an invalid object.
  • level: The severity of the message. This should be one of the defined log levels but may be any integer that is interpreted in a user defined way.
  • message: Human readable string describing the condition or empty string.
  • ex: The exception that reflects the condition or nullptr.