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Versions: 14
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Contents
require "redis/connection/registry"
require "redis/errors"
require "hiredis/connection"
require "timeout"
class Redis
module Connection
class Hiredis
def self.connect(config)
connection = ::Hiredis::Connection.new
connect_timeout = (config.fetch(:connect_timeout, 0) * 1_000_000).to_i
if config[:scheme] == "unix"
connection.connect_unix(config[:path], connect_timeout)
elsif config[:scheme] == "rediss" || config[:ssl]
raise NotImplementedError, "SSL not supported by hiredis driver"
else
connection.connect(config[:host], config[:port], connect_timeout)
end
instance = new(connection)
instance.timeout = config[:read_timeout]
instance
rescue Errno::ETIMEDOUT
raise TimeoutError
end
def initialize(connection)
@connection = connection
end
def connected?
@connection && @connection.connected?
end
def timeout=(timeout)
# Hiredis works with microsecond timeouts
@connection.timeout = Integer(timeout * 1_000_000)
end
def disconnect
@connection.disconnect
@connection = nil
end
def write(command)
@connection.write(command.flatten(1))
rescue Errno::EAGAIN
raise TimeoutError
end
def read
reply = @connection.read
reply = CommandError.new(reply.message) if reply.is_a?(RuntimeError)
reply
rescue Errno::EAGAIN
raise TimeoutError
rescue RuntimeError => err
raise ProtocolError.new(err.message)
end
end
end
end
Redis::Connection.drivers << Redis::Connection::Hiredis
Version data entries
14 entries across 13 versions & 6 rubygems