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The module snmpa_error contains two callback functions
which are called if an error occurs at different times during agent
operation. These functions in turn calls the corresponding function
in the configured error report module, which implements the actual
report functionallity.
Two simple implementation(s) is provided with the toolkit; the modules snmpa_error_logger which is the default and snmpa_error_io.
The error report module is configured using the directive
error_report_mod, see
configuration parameters.
config_err(Format, Args) -> void()
Types:
Format = string()
Args = list()
The function is called if an error occurs during the configuration phase, for example if a syntax error is found in a configuration file.
Format and Args are as in
io:format(Format, Args).
user_err(Format, Args) -> void()
Types:
Format = string()
Args = list()
The function is called if a user related error occurs at runtime, for example if a user defined instrumentation function returns erroneous.
Format and Args are as in
io:format(Format, Args).