130 lines
2.6 KiB
Go
130 lines
2.6 KiB
Go
package broker
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import (
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"context"
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"crypto/tls"
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)
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//================================
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// Options
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//================================
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type Options struct {
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Addrs []string
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Secure bool
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// Handler executed when error happens in broker message
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// processing
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ErrorHandler Handler
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TLSConfig *tls.Config
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// Other options for implementations of the interface
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// can be stored in a context
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Context context.Context
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}
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type Option func(*Options)
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// Addrs sets the host addresses to be used by the broker
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func Addrs(addrs ...string) Option {
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return func(o *Options) {
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o.Addrs = addrs
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}
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}
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// ErrorHandler will catch all broker errors that cant be handled
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// in normal way, for example Codec errors
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func ErrorHandler(h Handler) Option {
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return func(o *Options) {
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o.ErrorHandler = h
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}
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}
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// Secure communication with the broker
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func Secure(b bool) Option {
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return func(o *Options) {
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o.Secure = b
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}
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}
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// TLSConfig Specify TLS Config
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func TLSConfig(t *tls.Config) Option {
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return func(o *Options) {
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o.TLSConfig = t
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}
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}
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//================================
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// PublishOptions
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//================================
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type PublishOptions struct {
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// Other options for implementations of the interface
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// can be stored in a context
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Context context.Context
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}
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type PublishOption func(*PublishOptions)
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// PublishContext set context
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func PublishContext(ctx context.Context) PublishOption {
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return func(o *PublishOptions) {
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o.Context = ctx
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}
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}
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//================================
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// SubscribeOptions
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//================================
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type SubscribeOptions struct {
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// AutoAck defaults to true. When a handler returns
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// with a nil error the message is acked.
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AutoAck bool
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// Subscribers with the same queue name
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// will create a shared subscription where each
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// receives a subset of messages.
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Queue string
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// Other options for implementations of the interface
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// can be stored in a context
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Context context.Context
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}
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func NewSubscribeOptions(opts ...SubscribeOption) SubscribeOptions {
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opt := SubscribeOptions{
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AutoAck: true,
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}
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for _, o := range opts {
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o(&opt)
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}
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return opt
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}
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type SubscribeOption func(*SubscribeOptions)
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// DisableAutoAck will disable auto acking of messages
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// after they have been handled.
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func DisableAutoAck() SubscribeOption {
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return func(o *SubscribeOptions) {
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o.AutoAck = false
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}
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}
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// Queue sets the name of the queue to share messages on
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func Queue(name string) SubscribeOption {
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return func(o *SubscribeOptions) {
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o.Queue = name
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}
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}
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// SubscribeContext set context
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func SubscribeContext(ctx context.Context) SubscribeOption {
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return func(o *SubscribeOptions) {
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o.Context = ctx
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}
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}
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