/
config.go
323 lines (286 loc) · 9.51 KB
/
config.go
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package bus
import (
"crypto/tls"
"net"
"time"
nsq "github.com/nsqio/go-nsq"
)
// EmitterConfig carries the different variables to tune a newly started emitter,
// it exposes the same configuration available from official nsq go client.
type EmitterConfig struct {
Address string
DialTimeout time.Duration
ReadTimeout time.Duration
WriteTimeout time.Duration
LocalAddr net.Addr
LookupdPollInterval time.Duration
LookupdPollJitter float64
MaxRequeueDelay time.Duration
DefaultRequeueDelay time.Duration
BackoffStrategy nsq.BackoffStrategy
MaxBackoffDuration time.Duration
BackoffMultiplier time.Duration
MaxAttempts uint16
LowRdyIdleTimeout time.Duration
RDYRedistributeInterval time.Duration
ClientID string
Hostname string
UserAgent string
HeartbeatInterval time.Duration
SampleRate int32
TLSV1 bool
TLSConfig *tls.Config
Deflate bool
DeflateLevel int
Snappy bool
OutputBufferSize int64
OutputBufferTimeout time.Duration
MaxInFlight int
MsgTimeout time.Duration
AuthSecret string
// Breaker circuit breaker configuration
Breaker
}
// ListenerConfig carries the different variables to tune a newly started consumer,
// it exposes the same configuration available from official nsq go client.
type ListenerConfig struct {
Topic string
Channel string
Lookup []string
HandlerFunc HandlerFunc
HandlerConcurrency int
DialTimeout time.Duration
ReadTimeout time.Duration
WriteTimeout time.Duration
LocalAddr net.Addr
LookupdPollInterval time.Duration
LookupdPollJitter float64
MaxRequeueDelay time.Duration
DefaultRequeueDelay time.Duration
BackoffStrategy nsq.BackoffStrategy
MaxBackoffDuration time.Duration
BackoffMultiplier time.Duration
MaxAttempts uint16
LowRdyIdleTimeout time.Duration
RDYRedistributeInterval time.Duration
ClientID string
Hostname string
UserAgent string
HeartbeatInterval time.Duration
SampleRate int32
TLSV1 bool
TLSConfig *tls.Config
Deflate bool
DeflateLevel int
Snappy bool
OutputBufferSize int64
OutputBufferTimeout time.Duration
MaxInFlight int
MsgTimeout time.Duration
AuthSecret string
}
// Breaker carries the configuration for circuit breaker
type Breaker struct {
// Interval is the cyclic period of the closed state for CircuitBreaker to clear the internal counts,
// If Interval is 0, CircuitBreaker doesn't clear the internal counts during the closed state.
Interval time.Duration
// Timeout is the period of the open state, after which the state of CircuitBreaker becomes half-open.
// If Timeout is 0, the timeout value of CircuitBreaker is set to 60 seconds.
Timeout time.Duration
// Threshold when a threshold of failures has been reached, future calls to the broker will not run.
// During this state, the circuit breaker will periodically allow the calls to run and, if it is successful,
// will start running the function again. Default value is 5.
Threshold uint32
// OnStateChange is called whenever the state of CircuitBreaker changes.
OnStateChange func(name, from, to string)
}
func newEmitterConfig(ec EmitterConfig) (config *nsq.Config) {
config = nsq.NewConfig()
setDialTimeout(config, ec.DialTimeout)
setReadTimeout(config, ec.ReadTimeout)
setLocalAddr(config, ec.LocalAddr)
setLookupPollInterval(config, ec.LookupdPollInterval)
setLookupPollJitter(config, ec.LookupdPollJitter)
setMaxRequeueDelay(config, ec.MaxRequeueDelay)
setDefaultRequeueDelay(config, ec.DefaultRequeueDelay)
setBackoffStrategy(config, ec.BackoffStrategy)
setMaxBackoffDuration(config, ec.MaxBackoffDuration)
setBackoffMultiplier(config, ec.BackoffMultiplier)
setMaxAttempts(config, ec.MaxAttempts)
setLowRdyIdleTimeout(config, ec.LowRdyIdleTimeout)
setRDYRedistributeInterval(config, ec.RDYRedistributeInterval)
setClientID(config, ec.ClientID)
setHostname(config, ec.Hostname)
setUserAgent(config, ec.UserAgent)
setHeartbeatInterval(config, ec.HeartbeatInterval)
setSampleRate(config, ec.SampleRate)
setTLSV1(config, ec.TLSV1)
setTLSConfig(config, ec.TLSConfig)
setDeflate(config, ec.Deflate)
setOutputBufferSize(config, ec.OutputBufferSize)
setOutputBufferTimeout(config, ec.OutputBufferTimeout)
setMaxInFlight(config, ec.MaxInFlight)
setMsgTimeout(config, ec.MsgTimeout)
setAuthSecret(config, ec.AuthSecret)
return
}
func newListenerConfig(lc ListenerConfig) (config *nsq.Config) {
config = nsq.NewConfig()
setDialTimeout(config, lc.DialTimeout)
setReadTimeout(config, lc.ReadTimeout)
setLocalAddr(config, lc.LocalAddr)
setLookupPollInterval(config, lc.LookupdPollInterval)
setLookupPollJitter(config, lc.LookupdPollJitter)
setMaxRequeueDelay(config, lc.MaxRequeueDelay)
setDefaultRequeueDelay(config, lc.DefaultRequeueDelay)
setBackoffStrategy(config, lc.BackoffStrategy)
setMaxBackoffDuration(config, lc.MaxBackoffDuration)
setBackoffMultiplier(config, lc.BackoffMultiplier)
setMaxAttempts(config, lc.MaxAttempts)
setLowRdyIdleTimeout(config, lc.LowRdyIdleTimeout)
setRDYRedistributeInterval(config, lc.RDYRedistributeInterval)
setClientID(config, lc.ClientID)
setHostname(config, lc.Hostname)
setUserAgent(config, lc.UserAgent)
setHeartbeatInterval(config, lc.HeartbeatInterval)
setSampleRate(config, lc.SampleRate)
setTLSV1(config, lc.TLSV1)
setTLSConfig(config, lc.TLSConfig)
setDeflate(config, lc.Deflate)
setOutputBufferSize(config, lc.OutputBufferSize)
setOutputBufferTimeout(config, lc.OutputBufferTimeout)
setMaxInFlight(config, lc.MaxInFlight)
setMsgTimeout(config, lc.MsgTimeout)
setAuthSecret(config, lc.AuthSecret)
return
}
func setDialTimeout(config *nsq.Config, dialTimeout time.Duration) {
if dialTimeout != 0 {
config.DialTimeout = dialTimeout
}
}
func setReadTimeout(config *nsq.Config, readTimeout time.Duration) {
if readTimeout != 0 {
config.ReadTimeout = readTimeout
}
}
func setLocalAddr(config *nsq.Config, localAddr net.Addr) {
if localAddr != nil {
config.LocalAddr = localAddr
}
}
func setLookupPollInterval(config *nsq.Config, lookupdPollInterval time.Duration) {
if lookupdPollInterval != 0 {
config.LookupdPollInterval = lookupdPollInterval
}
}
func setLookupPollJitter(config *nsq.Config, lookupdPollJitter float64) {
if lookupdPollJitter != 0 {
config.LookupdPollJitter = lookupdPollJitter
}
}
func setMaxRequeueDelay(config *nsq.Config, maxRequeueDelay time.Duration) {
if maxRequeueDelay != 0 {
config.MaxRequeueDelay = maxRequeueDelay
}
}
func setDefaultRequeueDelay(config *nsq.Config, defaultRequeueDelay time.Duration) {
if defaultRequeueDelay != 0 {
config.DefaultRequeueDelay = defaultRequeueDelay
}
}
func setBackoffStrategy(config *nsq.Config, backoffStrategy nsq.BackoffStrategy) {
if backoffStrategy != nil {
config.BackoffStrategy = backoffStrategy
}
}
func setMaxBackoffDuration(config *nsq.Config, maxBackoffDuration time.Duration) {
if maxBackoffDuration != 0 {
config.MaxBackoffDuration = maxBackoffDuration
}
}
func setBackoffMultiplier(config *nsq.Config, backoffMultiplier time.Duration) {
if backoffMultiplier != 0 {
config.BackoffMultiplier = backoffMultiplier
}
}
func setMaxAttempts(config *nsq.Config, maxAttempts uint16) {
if maxAttempts != 0 {
config.MaxAttempts = maxAttempts
}
}
func setLowRdyIdleTimeout(config *nsq.Config, lowRdyIdleTimeout time.Duration) {
if lowRdyIdleTimeout != 0 {
config.LowRdyIdleTimeout = lowRdyIdleTimeout
}
}
func setRDYRedistributeInterval(config *nsq.Config, rdyRedistributeInterval time.Duration) {
if rdyRedistributeInterval != 0 {
config.LowRdyIdleTimeout = rdyRedistributeInterval
}
}
func setClientID(config *nsq.Config, clientID string) {
if clientID != "" {
config.ClientID = clientID
}
}
func setHostname(config *nsq.Config, hostname string) {
if hostname != "" {
config.Hostname = hostname
}
}
func setUserAgent(config *nsq.Config, userAgent string) {
if userAgent != "" {
config.UserAgent = userAgent
}
}
func setHeartbeatInterval(config *nsq.Config, heartbeatInterval time.Duration) {
if heartbeatInterval != 0 {
config.HeartbeatInterval = heartbeatInterval
}
}
func setSampleRate(config *nsq.Config, sampleRate int32) {
if sampleRate != 0 {
config.SampleRate = sampleRate
}
}
func setTLSV1(config *nsq.Config, tlsv1 bool) {
if tlsv1 {
config.TlsV1 = tlsv1
}
}
func setTLSConfig(config *nsq.Config, tlsConfig *tls.Config) {
if tlsConfig != nil {
config.TlsConfig = tlsConfig
}
}
func setDeflate(config *nsq.Config, deflate bool) {
if deflate {
config.Deflate = deflate
}
}
func setOutputBufferSize(config *nsq.Config, out int64) {
if out != 0 {
config.OutputBufferSize = out
}
}
func setOutputBufferTimeout(config *nsq.Config, out time.Duration) {
if out != 0 {
config.OutputBufferTimeout = out
}
}
func setMaxInFlight(config *nsq.Config, maxInFlight int) {
if maxInFlight != 0 {
config.MaxInFlight = maxInFlight
}
}
func setMsgTimeout(config *nsq.Config, msgTimeout time.Duration) {
if msgTimeout != 0 {
config.MsgTimeout = msgTimeout
}
}
func setAuthSecret(config *nsq.Config, authSecret string) {
if authSecret != "" {
config.AuthSecret = authSecret
}
}