// init configures a Ringpop instance and makes it ready to do comms.
func (rp *Ringpop) init() error {
if rp.channel == nil {
return errors.New("Missing channel")
}
address, err := rp.identity()
if err != nil {
return err
}
rp.subChannel = rp.channel.GetSubChannel("ringpop", tchannel.Isolated)
rp.registerHandlers()
rp.node = swim.NewNode(rp.config.App, address, rp.subChannel, &swim.Options{
Clock: rp.clock,
})
rp.node.RegisterListener(rp)
rp.ring = hashring.New(farm.Fingerprint32, rp.configHashRing.ReplicaPoints)
rp.ring.RegisterListener(rp)
rp.stats.hostport = genStatsHostport(address)
rp.stats.prefix = fmt.Sprintf("ringpop.%s", rp.stats.hostport)
rp.stats.keys = make(map[string]string)
rp.forwarder = forward.NewForwarder(rp, rp.subChannel)
rp.forwarder.RegisterListener(rp)
rp.startTimers()
rp.setState(initialized)
return nil
}
// NewRingpop returns a new Ringpop instance
func NewRingpop(app, address string, channel *tchannel.Channel, opts *Options) *Ringpop {
opts = mergeDefault(opts)
ringpop := &Ringpop{
app: app,
address: address,
logger: opts.Logger,
log: opts.Logger.WithField("local", address),
statter: opts.Statter,
}
if channel != nil {
ringpop.channel = channel.GetSubChannel("ringpop", tchannel.Isolated)
ringpop.registerHandlers()
}
ringpop.node = swim.NewNode(app, address, ringpop.channel, &swim.Options{
Logger: ringpop.logger,
})
ringpop.node.RegisterListener(ringpop)
ringpop.ring = newHashRing(ringpop, farm.Fingerprint32, opts.ReplicaPoints)
ringpop.stats.hostport = genStatsHostport(ringpop.address)
ringpop.stats.prefix = fmt.Sprintf("ringpop.%s", ringpop.stats.hostport)
ringpop.stats.keys = make(map[string]string)
ringpop.forwarder = forward.NewForwarder(ringpop, ringpop.channel, ringpop.logger)
return ringpop
}
// NewReplicator returns a new Replicator instance that makes calls with the given
// SubChannel to the service defined by SubChannel.GetServiceName(). The given n/w/r
// values will be used as defaults for the replicator when none are provided
// Deprecation: logger is no longer used.
func NewReplicator(s Sender, channel shared.SubChannel, logger log.Logger,
opts *Options) *Replicator {
f := forward.NewForwarder(s, channel)
opts = mergeDefaultOptions(opts, &Options{3, 1, 3, Parallel})
logger = logging.Logger("replicator")
if identity, err := s.WhoAmI(); err == nil {
logger = logger.WithField("local", identity)
}
return &Replicator{s, channel, f, logger, opts}
}
// NewReplicator returns a new Replicator instance that makes calls with the given
// SubChannel to the service defined by SubChannel.GetServiceName(). The given n/w/r
// values will be used as defaults for the replicator when none are provided
func NewReplicator(s Sender, channel tchannel.Registrar, logger log.Logger,
opts *Options) *Replicator {
if logger == nil {
logger = log.NewLoggerFromLogrus(&logrus.Logger{
Out: ioutil.Discard,
})
}
f := forward.NewForwarder(s, channel, logger)
opts = mergeDefaultOptions(opts, &Options{3, 1, 3, Parallel})
return &Replicator{s, channel, f, logger, opts}
}