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@asim @vtolstov
119 lines (97 sloc) 2.37 KB
package broker
import (
"context"
"crypto/tls"
"github.com/micro/go-micro/codec"
"github.com/micro/go-micro/registry"
)
type Options struct {
Addrs []string
Secure bool
Codec codec.Marshaler
TLSConfig *tls.Config
// Other options for implementations of the interface
// can be stored in a context
Context context.Context
}
type PublishOptions struct {
// Other options for implementations of the interface
// can be stored in a context
Context context.Context
}
type SubscribeOptions struct {
// AutoAck defaults to true. When a handler returns
// with a nil error the message is acked.
AutoAck bool
// Subscribers with the same queue name
// will create a shared subscription where each
// receives a subset of messages.
Queue string
// Other options for implementations of the interface
// can be stored in a context
Context context.Context
}
type Option func(*Options)
type PublishOption func(*PublishOptions)
type SubscribeOption func(*SubscribeOptions)
var (
registryKey = "github.com/micro/go-micro/registry"
)
func NewSubscribeOptions(opts ...SubscribeOption) SubscribeOptions {
opt := SubscribeOptions{
AutoAck: true,
}
for _, o := range opts {
o(&opt)
}
return opt
}
// Addrs sets the host addresses to be used by the broker
func Addrs(addrs ...string) Option {
return func(o *Options) {
o.Addrs = addrs
}
}
// Codec sets the codec used for encoding/decoding used where
// a broker does not support headers
func Codec(c codec.Marshaler) Option {
return func(o *Options) {
o.Codec = c
}
}
// DisableAutoAck will disable auto acking of messages
// after they have been handled.
func DisableAutoAck() SubscribeOption {
return func(o *SubscribeOptions) {
o.AutoAck = false
}
}
// Queue sets the name of the queue to share messages on
func Queue(name string) SubscribeOption {
return func(o *SubscribeOptions) {
o.Queue = name
}
}
func Registry(r registry.Registry) Option {
return func(o *Options) {
o.Context = context.WithValue(o.Context, registryKey, r)
}
}
// Secure communication with the broker
func Secure(b bool) Option {
return func(o *Options) {
o.Secure = b
}
}
// Specify TLS Config
func TLSConfig(t *tls.Config) Option {
return func(o *Options) {
o.TLSConfig = t
}
}
// SubscribeContext set context
func SubscribeContext(ctx context.Context) SubscribeOption {
return func(o *SubscribeOptions) {
o.Context = ctx
}
}
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