package broker import ( "crypto/tls" "github.com/micro/go-micro/broker/codec" "github.com/micro/go-micro/registry" "golang.org/x/net/context" ) type Options struct { Addrs []string Secure bool Codec codec.Codec 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) type contextKeyT string var ( registryKey = contextKeyT("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.Codec) 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 } }