Merge pull request 'server/noop: cleanup' (#342) from server-noop into v3
Reviewed-on: #342
This commit is contained in:
commit
92a3a547b8
164
server/noop.go
164
server/noop.go
@ -274,7 +274,7 @@ func (n *noopServer) Register() error {
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if !registered {
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if config.Logger.V(logger.InfoLevel) {
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config.Logger.Infof(n.opts.Context, "register [%s] Registering node: %s", config.Register.String(), service.Nodes[0].ID)
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config.Logger.Info(n.opts.Context, fmt.Sprintf("register [%s] Registering node: %s", config.Register.String(), service.Nodes[0].ID))
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}
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}
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@ -312,7 +312,7 @@ func (n *noopServer) Deregister() error {
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}
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if config.Logger.V(logger.InfoLevel) {
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config.Logger.Infof(n.opts.Context, "deregistering node: %s", service.Nodes[0].ID)
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config.Logger.Info(n.opts.Context, fmt.Sprintf("deregistering node: %s", service.Nodes[0].ID))
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}
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if err := DefaultDeregisterFunc(service, config); err != nil {
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@ -343,11 +343,11 @@ func (n *noopServer) Deregister() error {
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go func(s broker.Subscriber) {
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defer wg.Done()
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if config.Logger.V(logger.InfoLevel) {
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config.Logger.Infof(n.opts.Context, "unsubscribing from topic: %s", s.Topic())
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config.Logger.Info(n.opts.Context, "unsubscribing from topic: "+s.Topic())
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}
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if err := s.Unsubscribe(ncx); err != nil {
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Errorf(n.opts.Context, "unsubscribing from topic: %s err: %v", s.Topic(), err)
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config.Logger.Error(n.opts.Context, "unsubscribing from topic: "+s.Topic(), err)
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}
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}
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}(subs[idx])
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@ -383,7 +383,7 @@ func (n *noopServer) Start() error {
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config.Address = addr
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if config.Logger.V(logger.InfoLevel) {
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config.Logger.Infof(n.opts.Context, "server [noop] Listening on %s", config.Address)
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config.Logger.Info(n.opts.Context, "server [noop] Listening on "+config.Address)
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}
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n.Lock()
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@ -397,13 +397,13 @@ func (n *noopServer) Start() error {
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// connect to the broker
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if err := config.Broker.Connect(config.Context); err != nil {
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Errorf(n.opts.Context, "broker [%s] connect error: %v", config.Broker.String(), err)
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config.Logger.Error(n.opts.Context, fmt.Sprintf("broker [%s] connect error", config.Broker.String()), err)
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}
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return err
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}
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if config.Logger.V(logger.InfoLevel) {
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config.Logger.Infof(n.opts.Context, "broker [%s] Connected to %s", config.Broker.String(), config.Broker.Address())
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config.Logger.Info(n.opts.Context, fmt.Sprintf("broker [%s] Connected to %s", config.Broker.String(), config.Broker.Address()))
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}
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}
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@ -411,13 +411,13 @@ func (n *noopServer) Start() error {
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// nolint: nestif
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if err := config.RegisterCheck(config.Context); err != nil {
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Errorf(n.opts.Context, "server %s-%s register check error: %s", config.Name, config.ID, err)
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config.Logger.Error(n.opts.Context, fmt.Sprintf("server %s-%s register check error", config.Name, config.ID), err)
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}
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} else {
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// announce self to the world
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if err := n.Register(); err != nil {
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Errorf(n.opts.Context, "server register error: %v", err)
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config.Logger.Error(n.opts.Context, "server register error", err)
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}
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}
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}
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@ -450,23 +450,23 @@ func (n *noopServer) Start() error {
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// nolint: nestif
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if rerr != nil && registered {
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Errorf(n.opts.Context, "server %s-%s register check error: %s, deregister it", config.Name, config.ID, rerr)
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config.Logger.Error(n.opts.Context, fmt.Sprintf("server %s-%s register check error, deregister it", config.Name, config.ID), rerr)
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}
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// deregister self in case of error
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if err := n.Deregister(); err != nil {
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Errorf(n.opts.Context, "server %s-%s deregister error: %s", config.Name, config.ID, err)
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config.Logger.Error(n.opts.Context, fmt.Sprintf("server %s-%s deregister error", config.Name, config.ID), err)
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}
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}
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} else if rerr != nil && !registered {
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Errorf(n.opts.Context, "server %s-%s register check error: %s", config.Name, config.ID, rerr)
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config.Logger.Errorf(n.opts.Context, fmt.Sprintf("server %s-%s register check error", config.Name, config.ID), rerr)
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}
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continue
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}
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if err := n.Register(); err != nil {
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Errorf(n.opts.Context, "server %s-%s register error: %s", config.Name, config.ID, err)
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config.Logger.Error(n.opts.Context, fmt.Sprintf("server %s-%s register error", config.Name, config.ID), err)
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}
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}
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// wait for exit
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@ -478,7 +478,7 @@ func (n *noopServer) Start() error {
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// deregister self
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if err := n.Deregister(); err != nil {
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Errorf(n.opts.Context, "server deregister error: ", err)
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config.Logger.Error(n.opts.Context, "server deregister error", err)
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}
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}
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@ -491,12 +491,12 @@ func (n *noopServer) Start() error {
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ch <- nil
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if config.Logger.V(logger.InfoLevel) {
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config.Logger.Infof(n.opts.Context, "broker [%s] Disconnected from %s", config.Broker.String(), config.Broker.Address())
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config.Logger.Info(n.opts.Context, fmt.Sprintf("broker [%s] Disconnected from %s", config.Broker.String(), config.Broker.Address()))
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}
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// disconnect broker
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if err := config.Broker.Disconnect(config.Context); err != nil {
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Errorf(n.opts.Context, "broker [%s] disconnect error: %v", config.Broker.String(), err)
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config.Logger.Error(n.opts.Context, fmt.Sprintf("broker [%s] disconnect error", config.Broker.String()), err)
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}
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}
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}()
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@ -526,20 +526,13 @@ func (n *noopServer) subscribe() error {
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opts = append(opts, broker.SubscribeGroup(queue))
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}
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if sb.Options().Batch {
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// batch processing handler
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sub, err = config.Broker.BatchSubscribe(cx, sb.Topic(), n.createBatchSubHandler(sb, config), opts...)
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} else {
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// single processing handler
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sub, err = config.Broker.Subscribe(cx, sb.Topic(), n.createSubHandler(sb, config), opts...)
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}
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sub, err = config.Broker.Subscribe(cx, sb.Topic(), n.createSubHandler(sb, config), opts...)
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if err != nil {
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return err
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}
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if config.Logger.V(logger.InfoLevel) {
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config.Logger.Infof(n.opts.Context, "subscribing to topic: %s", sb.Topic())
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config.Logger.Info(n.opts.Context, "subscribing to topic: "+sb.Topic())
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}
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n.subscribers[sb] = []broker.Subscriber{sub}
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@ -637,127 +630,6 @@ func newSubscriber(topic string, sub interface{}, opts ...SubscriberOption) Subs
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}
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}
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//nolint:gocyclo
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func (n *noopServer) createBatchSubHandler(sb *subscriber, opts Options) broker.BatchHandler {
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return func(ps broker.Events) (err error) {
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defer func() {
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if r := recover(); r != nil {
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n.RLock()
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config := n.opts
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n.RUnlock()
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if config.Logger.V(logger.ErrorLevel) {
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config.Logger.Error(n.opts.Context, "panic recovered: ", r)
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config.Logger.Error(n.opts.Context, string(debug.Stack()))
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}
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err = errors.InternalServerError(n.opts.Name+".subscriber", "panic recovered: %v", r)
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}
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}()
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msgs := make([]Message, 0, len(ps))
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ctxs := make([]context.Context, 0, len(ps))
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for _, p := range ps {
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msg := p.Message()
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// if we don't have headers, create empty map
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if msg.Header == nil {
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msg.Header = metadata.New(2)
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}
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ct, _ := msg.Header.Get(metadata.HeaderContentType)
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if len(ct) == 0 {
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msg.Header.Set(metadata.HeaderContentType, defaultContentType)
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ct = defaultContentType
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}
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hdr := metadata.Copy(msg.Header)
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topic, _ := msg.Header.Get(metadata.HeaderTopic)
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ctxs = append(ctxs, metadata.NewIncomingContext(sb.opts.Context, hdr))
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msgs = append(msgs, &rpcMessage{
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topic: topic,
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contentType: ct,
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header: msg.Header,
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body: msg.Body,
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})
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}
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results := make(chan error, len(sb.handlers))
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for i := 0; i < len(sb.handlers); i++ {
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handler := sb.handlers[i]
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var req reflect.Value
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switch handler.reqType.Kind() {
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case reflect.Ptr:
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req = reflect.New(handler.reqType.Elem())
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default:
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req = reflect.New(handler.reqType.Elem()).Elem()
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}
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reqType := handler.reqType
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var cf codec.Codec
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for _, msg := range msgs {
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cf, err = n.newCodec(msg.ContentType())
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if err != nil {
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return err
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}
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rb := reflect.New(req.Type().Elem())
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if err = cf.ReadBody(bytes.NewReader(msg.(*rpcMessage).body), rb.Interface()); err != nil {
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return err
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}
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msg.(*rpcMessage).codec = cf
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msg.(*rpcMessage).payload = rb.Interface()
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}
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fn := func(ctxs []context.Context, ms []Message) error {
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var vals []reflect.Value
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if sb.typ.Kind() != reflect.Func {
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vals = append(vals, sb.rcvr)
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}
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if handler.ctxType != nil {
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vals = append(vals, reflect.ValueOf(ctxs))
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}
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payloads := reflect.MakeSlice(reqType, 0, len(ms))
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for _, m := range ms {
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payloads = reflect.Append(payloads, reflect.ValueOf(m.Body()))
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}
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vals = append(vals, payloads)
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returnValues := handler.method.Call(vals)
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if rerr := returnValues[0].Interface(); rerr != nil {
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return rerr.(error)
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}
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return nil
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}
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opts.Hooks.EachNext(func(hook options.Hook) {
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if h, ok := hook.(HookBatchSubHandler); ok {
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fn = h(fn)
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}
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})
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if n.wg != nil {
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n.wg.Add(1)
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}
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go func() {
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if n.wg != nil {
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defer n.wg.Done()
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}
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results <- fn(ctxs, msgs)
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}()
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}
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var errors []string
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for i := 0; i < len(sb.handlers); i++ {
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if rerr := <-results; rerr != nil {
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errors = append(errors, rerr.Error())
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}
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}
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if len(errors) > 0 {
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err = fmt.Errorf("subscriber error: %s", strings.Join(errors, "\n"))
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}
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return err
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}
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}
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//nolint:gocyclo
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func (n *noopServer) createSubHandler(sb *subscriber, opts Options) broker.Handler {
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return func(p broker.Event) (err error) {
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@ -9,7 +9,6 @@ import (
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"go.unistack.org/micro/v3/client"
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"go.unistack.org/micro/v3/codec"
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"go.unistack.org/micro/v3/logger"
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"go.unistack.org/micro/v3/metadata"
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"go.unistack.org/micro/v3/server"
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)
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@ -26,18 +25,6 @@ func (h *TestHandler) SingleSubHandler(ctx context.Context, msg *codec.Frame) er
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return nil
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}
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func (h *TestHandler) BatchSubHandler(ctxs []context.Context, msgs []*codec.Frame) error {
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if len(msgs) != 8 {
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h.t.Fatal("invalid number of messages received")
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}
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for idx := 0; idx < len(msgs); idx++ {
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md, _ := metadata.FromIncomingContext(ctxs[idx])
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_ = md
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// fmt.Printf("msg md %v\n", md)
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}
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return nil
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}
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func TestNoopSub(t *testing.T) {
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ctx := context.Background()
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@ -76,13 +63,6 @@ func TestNoopSub(t *testing.T) {
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t.Fatal(err)
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}
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if err := s.Subscribe(s.NewSubscriber("batch_topic", h.BatchSubHandler,
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server.SubscriberQueue("queue"),
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server.SubscriberBatch(true),
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)); err != nil {
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t.Fatal(err)
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}
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if err := s.Start(); err != nil {
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t.Fatal(err)
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}
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@ -341,8 +341,6 @@ type SubscriberOptions struct {
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AutoAck bool
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// BodyOnly flag specifies that message without headers
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BodyOnly bool
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// Batch flag specifies that message processed in batches
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Batch bool
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// BatchSize flag specifies max size of batch
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BatchSize int
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// BatchWait flag specifies max wait time for batch filling
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@ -414,13 +412,6 @@ func SubscriberAck(b bool) SubscriberOption {
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}
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}
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// SubscriberBatch control batch processing for handler
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func SubscriberBatch(b bool) SubscriberOption {
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return func(o *SubscriberOptions) {
|
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o.Batch = b
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}
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}
|
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|
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// SubscriberBatchSize control batch filling size for handler
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// Batch filling max waiting time controlled by SubscriberBatchWait
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func SubscriberBatchSize(n int) SubscriberOption {
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|
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@ -63,10 +63,8 @@ type Server interface {
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}
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type (
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FuncBatchSubHandler func(ctxs []context.Context, ms []Message) error
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HookBatchSubHandler func(next FuncBatchSubHandler) FuncBatchSubHandler
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FuncSubHandler func(ctx context.Context, ms Message) error
|
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HookSubHandler func(next FuncSubHandler) FuncSubHandler
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FuncSubHandler func(ctx context.Context, ms Message) error
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HookSubHandler func(next FuncSubHandler) FuncSubHandler
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)
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|
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/*
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@ -3,14 +3,12 @@ package server
|
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import (
|
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"fmt"
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"reflect"
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"strings"
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"unicode"
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"unicode/utf8"
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)
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|
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const (
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subSig = "func(context.Context, interface{}) error"
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batchSubSig = "func([]context.Context, []interface{}) error"
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subSig = "func(context.Context, interface{}) error"
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)
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|
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// Precompute the reflect type for error. Can't use error directly
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@ -43,23 +41,15 @@ func ValidateSubscriber(sub Subscriber) error {
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switch typ.NumIn() {
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case 2:
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argType = typ.In(1)
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if sub.Options().Batch {
|
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if argType.Kind() != reflect.Slice {
|
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return fmt.Errorf("subscriber %v dont have required signature %s", name, batchSubSig)
|
||||
}
|
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if strings.Compare(fmt.Sprintf("%v", argType), "[]interface{}") == 0 {
|
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return fmt.Errorf("subscriber %v dont have required signaure %s", name, batchSubSig)
|
||||
}
|
||||
}
|
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default:
|
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return fmt.Errorf("subscriber %v takes wrong number of args: %v required signature %s or %s", name, typ.NumIn(), subSig, batchSubSig)
|
||||
return fmt.Errorf("subscriber %v takes wrong number of args: %v required signature %s", name, typ.NumIn(), subSig)
|
||||
}
|
||||
if !isExportedOrBuiltinType(argType) {
|
||||
return fmt.Errorf("subscriber %v argument type not exported: %v", name, argType)
|
||||
}
|
||||
if typ.NumOut() != 1 {
|
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return fmt.Errorf("subscriber %v has wrong number of return values: %v require signature %s or %s",
|
||||
name, typ.NumOut(), subSig, batchSubSig)
|
||||
return fmt.Errorf("subscriber %v has wrong number of return values: %v require signature %s",
|
||||
name, typ.NumOut(), subSig)
|
||||
}
|
||||
if returnType := typ.Out(0); returnType != typeOfError {
|
||||
return fmt.Errorf("subscriber %v returns %v not error", name, returnType.String())
|
||||
@ -74,8 +64,8 @@ func ValidateSubscriber(sub Subscriber) error {
|
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case 3:
|
||||
argType = method.Type.In(2)
|
||||
default:
|
||||
return fmt.Errorf("subscriber %v.%v takes wrong number of args: %v required signature %s or %s",
|
||||
name, method.Name, method.Type.NumIn(), subSig, batchSubSig)
|
||||
return fmt.Errorf("subscriber %v.%v takes wrong number of args: %v required signature %s",
|
||||
name, method.Name, method.Type.NumIn(), subSig)
|
||||
}
|
||||
|
||||
if !isExportedOrBuiltinType(argType) {
|
||||
@ -83,8 +73,8 @@ func ValidateSubscriber(sub Subscriber) error {
|
||||
}
|
||||
if method.Type.NumOut() != 1 {
|
||||
return fmt.Errorf(
|
||||
"subscriber %v.%v has wrong number of return values: %v require signature %s or %s",
|
||||
name, method.Name, method.Type.NumOut(), subSig, batchSubSig)
|
||||
"subscriber %v.%v has wrong number of return values: %v require signature %s",
|
||||
name, method.Name, method.Type.NumOut(), subSig)
|
||||
}
|
||||
if returnType := method.Type.Out(0); returnType != typeOfError {
|
||||
return fmt.Errorf("subscriber %v.%v returns %v not error", name, method.Name, returnType.String())
|
||||
|
||||
@ -14,20 +14,12 @@ type HandlerFunc func(ctx context.Context, req Request, rsp interface{}) error
|
||||
// publication message.
|
||||
type SubscriberFunc func(ctx context.Context, msg Message) error
|
||||
|
||||
// BatchSubscriberFunc represents a single method of a subscriber. It's used primarily
|
||||
// for the wrappers. What's handed to the actual method is the concrete
|
||||
// publication message. This func used by batch subscribers
|
||||
type BatchSubscriberFunc func(ctxs []context.Context, msgs []Message) error
|
||||
|
||||
// HandlerWrapper wraps the HandlerFunc and returns the equivalent
|
||||
type HandlerWrapper func(HandlerFunc) HandlerFunc
|
||||
|
||||
// SubscriberWrapper wraps the SubscriberFunc and returns the equivalent
|
||||
type SubscriberWrapper func(SubscriberFunc) SubscriberFunc
|
||||
|
||||
// BatchSubscriberWrapper wraps the SubscriberFunc and returns the equivalent
|
||||
type BatchSubscriberWrapper func(BatchSubscriberFunc) BatchSubscriberFunc
|
||||
|
||||
// StreamWrapper wraps a Stream interface and returns the equivalent.
|
||||
// Because streams exist for the lifetime of a method invocation this
|
||||
// is a convenient way to wrap a Stream as its in use for trace, monitoring,
|
||||
|
||||
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Reference in New Issue
Block a user