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forgejo/vendor/github.com/go-redis/redis/v8/universal.go
6543 792b4dba2c
[Vendor] Update directly used dependencys (#15593)
* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3

* github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0

* github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2

* github.com/go-chi/cors v1.1.1 -> v1.2.0

* github.com/go-git/go-billy v5.0.0 -> v5.1.0

* github.com/go-git/go-git v5.2.0 -> v5.3.0

* github.com/go-ldap/ldap v3.2.4 -> v3.3.0

* github.com/go-redis/redis v8.6.0 -> v8.8.2

* github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0

* github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0

* github.com/lib/pq v1.9.0 -> v1.10.1

* github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7

* github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0

* github.com/issue9/identicon v1.0.1 -> v1.2.0

* github.com/klauspost/compress v1.11.8 -> v1.12.1

* github.com/mgechev/revive v1.0.3 -> v1.0.6

* github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8

* github.com/niklasfasching/go-org v1.4.0 -> v1.5.0

* github.com/olivere/elastic v7.0.22 -> v7.0.24

* github.com/pelletier/go-toml v1.8.1 -> v1.9.0

* github.com/prometheus/client_golang v1.9.0 -> v1.10.0

* github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0

* github.com/yuin/goldmark v1.3.3 -> v1.3.5

* github.com/6543/go-version v1.2.4 -> v1.3.1

* do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
2021-04-22 20:08:53 -04:00

207 lines
5.3 KiB
Go
Vendored

package redis
import (
"context"
"crypto/tls"
"net"
"time"
)
// UniversalOptions information is required by UniversalClient to establish
// connections.
type UniversalOptions struct {
// Either a single address or a seed list of host:port addresses
// of cluster/sentinel nodes.
Addrs []string
// Database to be selected after connecting to the server.
// Only single-node and failover clients.
DB int
// Common options.
Dialer func(ctx context.Context, network, addr string) (net.Conn, error)
OnConnect func(ctx context.Context, cn *Conn) error
Username string
Password string
SentinelPassword string
MaxRetries int
MinRetryBackoff time.Duration
MaxRetryBackoff time.Duration
DialTimeout time.Duration
ReadTimeout time.Duration
WriteTimeout time.Duration
PoolSize int
MinIdleConns int
MaxConnAge time.Duration
PoolTimeout time.Duration
IdleTimeout time.Duration
IdleCheckFrequency time.Duration
TLSConfig *tls.Config
// Only cluster clients.
MaxRedirects int
ReadOnly bool
RouteByLatency bool
RouteRandomly bool
// The sentinel master name.
// Only failover clients.
MasterName string
}
// Cluster returns cluster options created from the universal options.
func (o *UniversalOptions) Cluster() *ClusterOptions {
if len(o.Addrs) == 0 {
o.Addrs = []string{"127.0.0.1:6379"}
}
return &ClusterOptions{
Addrs: o.Addrs,
Dialer: o.Dialer,
OnConnect: o.OnConnect,
Username: o.Username,
Password: o.Password,
MaxRedirects: o.MaxRedirects,
ReadOnly: o.ReadOnly,
RouteByLatency: o.RouteByLatency,
RouteRandomly: o.RouteRandomly,
MaxRetries: o.MaxRetries,
MinRetryBackoff: o.MinRetryBackoff,
MaxRetryBackoff: o.MaxRetryBackoff,
DialTimeout: o.DialTimeout,
ReadTimeout: o.ReadTimeout,
WriteTimeout: o.WriteTimeout,
PoolSize: o.PoolSize,
MinIdleConns: o.MinIdleConns,
MaxConnAge: o.MaxConnAge,
PoolTimeout: o.PoolTimeout,
IdleTimeout: o.IdleTimeout,
IdleCheckFrequency: o.IdleCheckFrequency,
TLSConfig: o.TLSConfig,
}
}
// Failover returns failover options created from the universal options.
func (o *UniversalOptions) Failover() *FailoverOptions {
if len(o.Addrs) == 0 {
o.Addrs = []string{"127.0.0.1:26379"}
}
return &FailoverOptions{
SentinelAddrs: o.Addrs,
MasterName: o.MasterName,
Dialer: o.Dialer,
OnConnect: o.OnConnect,
DB: o.DB,
Username: o.Username,
Password: o.Password,
SentinelPassword: o.SentinelPassword,
MaxRetries: o.MaxRetries,
MinRetryBackoff: o.MinRetryBackoff,
MaxRetryBackoff: o.MaxRetryBackoff,
DialTimeout: o.DialTimeout,
ReadTimeout: o.ReadTimeout,
WriteTimeout: o.WriteTimeout,
PoolSize: o.PoolSize,
MinIdleConns: o.MinIdleConns,
MaxConnAge: o.MaxConnAge,
PoolTimeout: o.PoolTimeout,
IdleTimeout: o.IdleTimeout,
IdleCheckFrequency: o.IdleCheckFrequency,
TLSConfig: o.TLSConfig,
}
}
// Simple returns basic options created from the universal options.
func (o *UniversalOptions) Simple() *Options {
addr := "127.0.0.1:6379"
if len(o.Addrs) > 0 {
addr = o.Addrs[0]
}
return &Options{
Addr: addr,
Dialer: o.Dialer,
OnConnect: o.OnConnect,
DB: o.DB,
Username: o.Username,
Password: o.Password,
MaxRetries: o.MaxRetries,
MinRetryBackoff: o.MinRetryBackoff,
MaxRetryBackoff: o.MaxRetryBackoff,
DialTimeout: o.DialTimeout,
ReadTimeout: o.ReadTimeout,
WriteTimeout: o.WriteTimeout,
PoolSize: o.PoolSize,
MinIdleConns: o.MinIdleConns,
MaxConnAge: o.MaxConnAge,
PoolTimeout: o.PoolTimeout,
IdleTimeout: o.IdleTimeout,
IdleCheckFrequency: o.IdleCheckFrequency,
TLSConfig: o.TLSConfig,
}
}
// --------------------------------------------------------------------
// UniversalClient is an abstract client which - based on the provided options -
// represents either a ClusterClient, a FailoverClient, or a single-node Client.
// This can be useful for testing cluster-specific applications locally or having different
// clients in different environments.
type UniversalClient interface {
Cmdable
Context() context.Context
AddHook(Hook)
Watch(ctx context.Context, fn func(*Tx) error, keys ...string) error
Do(ctx context.Context, args ...interface{}) *Cmd
Process(ctx context.Context, cmd Cmder) error
Subscribe(ctx context.Context, channels ...string) *PubSub
PSubscribe(ctx context.Context, channels ...string) *PubSub
Close() error
PoolStats() *PoolStats
}
var (
_ UniversalClient = (*Client)(nil)
_ UniversalClient = (*ClusterClient)(nil)
_ UniversalClient = (*Ring)(nil)
)
// NewUniversalClient returns a new multi client. The type of the returned client depends
// on the following conditions:
//
// 1. If the MasterName option is specified, a sentinel-backed FailoverClient is returned.
// 2. if the number of Addrs is two or more, a ClusterClient is returned.
// 3. Otherwise, a single-node Client is returned.
func NewUniversalClient(opts *UniversalOptions) UniversalClient {
if opts.MasterName != "" {
return NewFailoverClient(opts.Failover())
} else if len(opts.Addrs) > 1 {
return NewClusterClient(opts.Cluster())
}
return NewClient(opts.Simple())
}