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options.go
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options.go
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package go_rede
import (
"crypto/tls"
"time"
)
// Limiter is the interface of a rate limiter or a circuit breaker.
type Limiter interface {
// Allow returns nil if operation is allowed or an error otherwise.
// If operation is allowed client must ReportResult of the operation
// whether it is a success or a failure.
Allow() error
// ReportResult reports the result of the previously allowed operation.
// nil indicates a success, non-nil error usually indicates a failure.
ReportResult(result error)
}
type Options struct {
Namespaces string
// The network type, either tcp or unix.
// Default is tcp.
Network string
// host:port address.
Addr string
// Optional password. Must match the password specified in the
// requirepass server configuration option.
Password string
// Database to be selected after connecting to the server.
DB int
// Maximum number of retries before giving up.
// Default is to not retry failed commands.
MaxRetries int
// Minimum backoff between each retry.
// Default is 8 milliseconds; -1 disables backoff.
MinRetryBackoff time.Duration
// Maximum backoff between each retry.
// Default is 512 milliseconds; -1 disables backoff.
MaxRetryBackoff time.Duration
// Dial timeout for establishing new connections.
// Default is 5 seconds.
DialTimeout time.Duration
// Timeout for socket reads. If reached, commands will fail
// with a timeout instead of blocking. Use value -1 for no timeout and 0 for default.
// Default is 3 seconds.
ReadTimeout time.Duration
// Timeout for socket writes. If reached, commands will fail
// with a timeout instead of blocking.
// Default is ReadTimeout.
WriteTimeout time.Duration
// Maximum number of socket connections.
// Default is 10 connections per every CPU as reported by runtime.NumCPU.
PoolSize int
// Minimum number of idle connections which is useful when establishing
// new connection is slow.
MinIdleConns int
// Connection age at which client retires (closes) the connection.
// Default is to not close aged connections.
MaxConnAge time.Duration
// Amount of time client waits for connection if all connections
// are busy before returning an error.
// Default is ReadTimeout + 1 second.
PoolTimeout time.Duration
// Amount of time after which client closes idle connections.
// Should be less than server's timeout.
// Default is 5 minutes. -1 disables idle timeout check.
IdleTimeout time.Duration
// Frequency of idle checks made by idle connections reaper.
// Default is 1 minute. -1 disables idle connections reaper,
// but idle connections are still discarded by the client
// if IdleTimeout is set.
IdleCheckFrequency time.Duration
// Enables read only queries on slave nodes.
readOnly bool
// TLS Config to use. When set TLS will be negotiated.
TLSConfig *tls.Config
// Limiter interface used to implemented circuit breaker or rate limiter.
Limiter Limiter
}