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# frozen_string_literal: true
class Redis
# Base error for all redis-rb errors.
class BaseError < StandardError
end
# Raised by the connection when a protocol error occurs.
class ProtocolError < BaseError
def initialize(reply_type)
super(<<-EOS.gsub(/(?:^|\n)\s*/, " "))
Got '#{reply_type}' as initial reply byte.
If you're in a forking environment, such as Unicorn, you need to
connect to Redis after forking.
EOS
end
end
# Raised by the client when command execution returns an error reply.
class CommandError < BaseError
end
class PermissionError < CommandError
end
class WrongTypeError < CommandError
end
class OutOfMemoryError < CommandError
end
# Base error for connection related errors.
class BaseConnectionError < BaseError
end
# Raised when connection to a Redis server cannot be made.
class CannotConnectError < BaseConnectionError
end
# Raised when connection to a Redis server is lost.
class ConnectionError < BaseConnectionError
end
# Raised when performing I/O times out.
class TimeoutError < BaseConnectionError
end
# Raised when the connection was inherited by a child process.
class InheritedError < BaseConnectionError
end
# Generally raised during Redis failover scenarios
class ReadOnlyError < BaseConnectionError
end
# Raised when client options are invalid.
class InvalidClientOptionError < BaseError
end
class SubscriptionError < BaseError
end
end
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