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# ZeekControl exceptions.
#
# These are the exceptions that are expected to be raised under predictable
# circumstances (such as bad user input, or an invalid configuration). When
# these are raised, a text message explaining the problem should be provided.
# Therefore, these should be caught to avoid seeing a stack trace (which
# provides no new information in these cases). However, standard Python
# exceptions are not expected to occur, so if one is raised a stack trace
# can provide valuable information on the source of the problem.
class ZeekControlError(Exception):
"""This is the base class for ZeekControl exceptions."""
class LockError(ZeekControlError):
"""Indicates that ZeekControl was unable to obtain a lock."""
class RuntimeEnvironmentError(ZeekControlError):
"""Indicates an error in the runtime environment (e.g. running as wrong
user, or some files/directories have wrong permissions or location)."""
class InvalidNodeError(ZeekControlError):
"""Indicates an attempt to lookup an invalid node name."""
class ConfigurationError(ZeekControlError):
"""Indicates a problem with the ZeekControl configuration."""
class CommandSyntaxError(ZeekControlError):
"""Indicates a syntax error in a ZeekControl command."""
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