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cleanup interfaces for v4
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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов
2023-05-09 20:04:15 +03:00
parent a2a383606d
commit 819ad1117a
24 changed files with 368 additions and 1472 deletions
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213
broker/memory.go
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@@ -1,3 +1,5 @@
//go:build ignore
package broker
import (
@@ -6,7 +8,6 @@ import (
"time"
"go.unistack.org/micro/v4/logger"
"go.unistack.org/micro/v4/metadata"
maddr "go.unistack.org/micro/v4/util/addr"
"go.unistack.org/micro/v4/util/id"
mnet "go.unistack.org/micro/v4/util/net"
@@ -21,23 +22,6 @@ type memoryBroker struct {
connected bool
}
type memoryEvent struct {
err error
message interface{}
topic string
opts Options
}
type memorySubscriber struct {
ctx context.Context
exit chan bool
handler Handler
batchhandler BatchHandler
id string
topic string
opts SubscribeOptions
}
func (m *memoryBroker) Options() Options {
return m.opts
}
@@ -89,16 +73,11 @@ func (m *memoryBroker) Init(opts ...Option) error {
return nil
}
func (m *memoryBroker) Publish(ctx context.Context, topic string, msg *Message, opts ...PublishOption) error {
msg.Header.Set(metadata.HeaderTopic, topic)
return m.publish(ctx, []*Message{msg}, opts...)
func (m *memoryBroker) NewMessage(endpoint string, req interface{}, opts ...MessageOption) Message {
return &memoryMessage{}
}
func (m *memoryBroker) BatchPublish(ctx context.Context, msgs []*Message, opts ...PublishOption) error {
return m.publish(ctx, msgs, opts...)
}
func (m *memoryBroker) publish(ctx context.Context, msgs []*Message, opts ...PublishOption) error {
func (m *memoryBroker) Publish(ctx context.Context, message interface{}, opts ...PublishOption) error {
m.RLock()
if !m.connected {
m.RUnlock()
@@ -113,25 +92,32 @@ func (m *memoryBroker) publish(ctx context.Context, msgs []*Message, opts ...Pub
return ctx.Err()
default:
options := NewPublishOptions(opts...)
msgTopicMap := make(map[string]Events)
for _, v := range msgs {
p := &memoryEvent{opts: m.opts}
if m.opts.Codec == nil || options.BodyOnly {
p.topic, _ = v.Header.Get(metadata.HeaderTopic)
p.message = v.Body
} else {
p.topic, _ = v.Header.Get(metadata.HeaderTopic)
p.message, err = m.opts.Codec.Marshal(v)
if err != nil {
return err
var msgs []*memoryMessage
switch v := message.(type) {
case *memoryMessage:
msgs = []*memoryMessage{v}
case []*memoryMessage:
msgs = v
default:
return ErrInvalidMessage
}
msgTopicMap := make(map[string][]*memoryMessage)
for _, msg := range msgs {
p := &memoryMessage{opts: options}
/*
if mb, ok := msg.Body().(*codec.Frame); ok {
p.message = v.Body
} else {
p.topic, _ = v.Header.Get(metadata.HeaderTopic)
p.message, err = m.opts.Codec.Marshal(v)
if err != nil {
return err
}
}
}
msgTopicMap[p.topic] = append(msgTopicMap[p.topic], p)
*/
msgTopicMap[msg.Topic()] = append(msgTopicMap[p.topic], p)
}
beh := m.opts.BatchErrorHandler
eh := m.opts.ErrorHandler
for t, ms := range msgTopicMap {
@@ -152,28 +138,21 @@ func (m *memoryBroker) publish(ctx context.Context, msgs []*Message, opts ...Pub
m.opts.Meter.Counter(PublishMessageTotal, "endpoint", t, "status", "success").Add(len(ms))
for _, sub := range subs {
if sub.opts.BatchErrorHandler != nil {
beh = sub.opts.BatchErrorHandler
}
if sub.opts.ErrorHandler != nil {
eh = sub.opts.ErrorHandler
}
switch {
// batch processing
case sub.batchhandler != nil:
if err = sub.batchhandler(ms); err != nil {
for _, p := range ms {
if err = sub.handler(p); err != nil {
m.opts.Meter.Counter(SubscribeMessageTotal, "endpoint", t, "status", "failure").Inc()
ms.SetError(err)
if beh != nil {
_ = beh(ms)
if eh != nil {
_ = eh(p)
} else if m.opts.Logger.V(logger.ErrorLevel) {
m.opts.Logger.Error(m.opts.Context, err.Error())
}
} else {
if sub.opts.AutoAck {
if err = ms.Ack(); err != nil {
if err = p.Ack(); err != nil {
m.opts.Logger.Errorf(m.opts.Context, "ack failed: %v", err)
m.opts.Meter.Counter(SubscribeMessageTotal, "endpoint", t, "status", "failure").Inc()
} else {
@@ -183,34 +162,8 @@ func (m *memoryBroker) publish(ctx context.Context, msgs []*Message, opts ...Pub
m.opts.Meter.Counter(SubscribeMessageTotal, "endpoint", t, "status", "success").Inc()
}
}
m.opts.Meter.Counter(PublishMessageInflight, "endpoint", t).Add(-len(ms))
m.opts.Meter.Counter(SubscribeMessageInflight, "endpoint", t).Add(-len(ms))
// single processing
case sub.handler != nil:
for _, p := range ms {
if err = sub.handler(p); err != nil {
m.opts.Meter.Counter(SubscribeMessageTotal, "endpoint", t, "status", "failure").Inc()
p.SetError(err)
if eh != nil {
_ = eh(p)
} else if m.opts.Logger.V(logger.ErrorLevel) {
m.opts.Logger.Error(m.opts.Context, err.Error())
}
} else {
if sub.opts.AutoAck {
if err = p.Ack(); err != nil {
m.opts.Logger.Errorf(m.opts.Context, "ack failed: %v", err)
m.opts.Meter.Counter(SubscribeMessageTotal, "endpoint", t, "status", "failure").Inc()
} else {
m.opts.Meter.Counter(SubscribeMessageTotal, "endpoint", t, "status", "success").Inc()
}
} else {
m.opts.Meter.Counter(SubscribeMessageTotal, "endpoint", t, "status", "success").Inc()
}
}
m.opts.Meter.Counter(PublishMessageInflight, "endpoint", t).Add(-1)
m.opts.Meter.Counter(SubscribeMessageInflight, "endpoint", t).Add(-1)
}
m.opts.Meter.Counter(PublishMessageInflight, "endpoint", t).Add(-1)
m.opts.Meter.Counter(SubscribeMessageInflight, "endpoint", t).Add(-1)
}
}
@@ -226,52 +179,7 @@ func (m *memoryBroker) publish(ctx context.Context, msgs []*Message, opts ...Pub
return nil
}
func (m *memoryBroker) BatchSubscribe(ctx context.Context, topic string, handler BatchHandler, opts ...SubscribeOption) (Subscriber, error) {
m.RLock()
if !m.connected {
m.RUnlock()
return nil, ErrNotConnected
}
m.RUnlock()
sid, err := id.New()
if err != nil {
return nil, err
}
options := NewSubscribeOptions(opts...)
sub := &memorySubscriber{
exit: make(chan bool, 1),
id: sid,
topic: topic,
batchhandler: handler,
opts: options,
ctx: ctx,
}
m.Lock()
m.subscribers[topic] = append(m.subscribers[topic], sub)
m.Unlock()
go func() {
<-sub.exit
m.Lock()
newSubscribers := make([]*memorySubscriber, 0, len(m.subscribers)-1)
for _, sb := range m.subscribers[topic] {
if sb.id == sub.id {
continue
}
newSubscribers = append(newSubscribers, sb)
}
m.subscribers[topic] = newSubscribers
m.Unlock()
}()
return sub, nil
}
func (m *memoryBroker) Subscribe(ctx context.Context, topic string, handler Handler, opts ...SubscribeOption) (Subscriber, error) {
func (m *memoryBroker) Subscribe(ctx context.Context, topic string, handler interface{}, opts ...SubscribeOption) (Subscriber, error) {
m.RLock()
if !m.connected {
m.RUnlock()
@@ -324,38 +232,41 @@ func (m *memoryBroker) Name() string {
return m.opts.Name
}
func (m *memoryEvent) Topic() string {
type memoryMessage struct {
err error
body interface{}
topic string
opts PublishOptions
ctx context.Context
}
func (m *memoryMessage) Topic() string {
return m.topic
}
func (m *memoryEvent) Message() *Message {
switch v := m.message.(type) {
case *Message:
return v
case []byte:
msg := &Message{}
if err := m.opts.Codec.Unmarshal(v, msg); err != nil {
if m.opts.Logger.V(logger.ErrorLevel) {
m.opts.Logger.Error(m.opts.Context, "[memory]: failed to unmarshal: %v", err)
}
return nil
}
return msg
}
func (m *memoryMessage) Body() interface{} {
return m.body
}
func (m *memoryMessage) Ack() error {
return nil
}
func (m *memoryEvent) Ack() error {
return nil
}
func (m *memoryEvent) Error() error {
func (m *memoryMessage) Error() error {
return m.err
}
func (m *memoryEvent) SetError(err error) {
m.err = err
func (m *memoryMessage) Context() context.Context {
return m.ctx
}
type memorySubscriber struct {
ctx context.Context
exit chan bool
handler interface{}
id string
topic string
opts SubscribeOptions
}
func (m *memorySubscriber) Options() SubscribeOptions {
@@ -372,7 +283,7 @@ func (m *memorySubscriber) Unsubscribe(ctx context.Context) error {
}
// NewBroker return new memory broker
func NewBroker(opts ...Option) Broker {
func NewBroker(opts ...Option) *memoryBroker {
return &memoryBroker{
opts: NewOptions(opts...),
subscribers: make(map[string][]*memorySubscriber),