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Simplified table code. Fixed event dedup.
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parent
6f2a8298ef
commit
77f3e7ef48
@ -622,7 +622,7 @@ func (n *network) processCtrlChan(client transport.Client, listener tunnel.Liste
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Events: events,
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}
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log.Debugf("Network router processing advert: %s", advert.Id)
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log.Debugf("Network router %s processing advert: %s", n.Id(), advert.Id)
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if err := n.router.Process(advert); err != nil {
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log.Debugf("Network failed to process advert %s: %v", advert.Id, err)
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}
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@ -113,19 +113,19 @@ func (r *router) manageRoute(route Route, action string) error {
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if err := r.table.Create(route); err != nil && err != ErrDuplicateRoute {
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return fmt.Errorf("failed adding route for service %s: %s", route.Service, err)
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}
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case "update":
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if err := r.table.Update(route); err != nil && err != ErrDuplicateRoute {
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return fmt.Errorf("failed updating route for service %s: %s", route.Service, err)
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}
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case "delete":
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if err := r.table.Delete(route); err != nil && err != ErrRouteNotFound {
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return fmt.Errorf("failed deleting route for service %s: %s", route.Service, err)
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}
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case "update":
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if err := r.table.Update(route); err != nil {
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return fmt.Errorf("failed updating route for service %s: %s", route.Service, err)
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}
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case "solicit":
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// nothing to do here
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return nil
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default:
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return fmt.Errorf("failed to manage route for service %s. Unknown action: %s", route.Service, action)
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return fmt.Errorf("failed to manage route for service %s: unknown action %s", route.Service, action)
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}
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return nil
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@ -426,6 +426,7 @@ func (r *router) advertiseEvents() error {
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// advertise all Update events to subscribers
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if len(events) > 0 {
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r.advertWg.Add(1)
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log.Debugf("Router publishing %d events", len(events))
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go r.publishAdvert(RouteUpdate, events)
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}
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case e := <-r.eventChan:
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@ -433,7 +434,7 @@ func (r *router) advertiseEvents() error {
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if e == nil {
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continue
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}
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log.Debugf("Router processing table event %s for service %s", e.Type, e.Route.Address)
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// determine the event penalty
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var penalty float64
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switch e.Type {
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@ -460,7 +461,8 @@ func (r *router) advertiseEvents() error {
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// attempt to squash last two events if possible
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lastEvent := advert.events[len(advert.events)-1]
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if lastEvent.Type == e.Type {
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if lastEvent.Type == e.Type && lastEvent.Route.Hash() == hash {
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log.Debugf("Router squashing event %s with hash %d for service %s", e.Type, hash, e.Route.Address)
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advert.events[len(advert.events)-1] = e
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} else {
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advert.events = append(advert.events, e)
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@ -675,7 +677,7 @@ func (r *router) Process(a *Advert) error {
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// create a copy of the route
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route := event.Route
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action := event.Type
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log.Debugf("Router processing route action %s: %s", action, r.options.Id)
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log.Debugf("Router %s processing route action %s for: %s", r.options.Id, action, route.Address)
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if err := r.manageRoute(route, fmt.Sprintf("%s", action)); err != nil {
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return fmt.Errorf("failed applying action %s to routing table: %s", action, err)
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}
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@ -6,6 +6,7 @@ import (
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"time"
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"github.com/google/uuid"
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"github.com/micro/go-micro/util/log"
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)
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var (
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@ -56,14 +57,12 @@ func (t *table) Create(r Route) error {
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// check if there are any routes in the table for the route destination
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if _, ok := t.routes[service]; !ok {
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t.routes[service] = make(map[uint64]Route)
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t.routes[service][sum] = r
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go t.sendEvent(&Event{Type: Create, Timestamp: time.Now(), Route: r})
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return nil
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}
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// add new route to the table for the route destination
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if _, ok := t.routes[service][sum]; !ok {
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t.routes[service][sum] = r
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log.Debugf("Router emitting %s for route: %s", Create, r.Address)
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go t.sendEvent(&Event{Type: Create, Timestamp: time.Now(), Route: r})
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return nil
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}
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@ -83,11 +82,14 @@ func (t *table) Delete(r Route) error {
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return ErrRouteNotFound
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}
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if _, ok := t.routes[service][sum]; ok {
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delete(t.routes[service], sum)
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go t.sendEvent(&Event{Type: Delete, Timestamp: time.Now(), Route: r})
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if _, ok := t.routes[service][sum]; !ok {
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return ErrRouteNotFound
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}
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delete(t.routes[service], sum)
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log.Debugf("Router emitting %s for route: %s", Update, r.Address)
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go t.sendEvent(&Event{Type: Delete, Timestamp: time.Now(), Route: r})
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return nil
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}
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@ -102,18 +104,10 @@ func (t *table) Update(r Route) error {
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// check if the route destination has any routes in the table
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if _, ok := t.routes[service]; !ok {
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t.routes[service] = make(map[uint64]Route)
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t.routes[service][sum] = r
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go t.sendEvent(&Event{Type: Create, Timestamp: time.Now(), Route: r})
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return nil
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}
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if _, ok := t.routes[service][sum]; !ok {
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t.routes[service][sum] = r
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go t.sendEvent(&Event{Type: Update, Timestamp: time.Now(), Route: r})
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return nil
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}
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t.routes[service][sum] = r
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log.Debugf("Router emitting %s for route: %s", Update, r.Address)
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go t.sendEvent(&Event{Type: Update, Timestamp: time.Now(), Route: r})
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return nil
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