[VOL-2835] Using different topic per ONU device

Change-Id: I3e55064292f28f9bf39ad6bc75fd5758f5313317
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/adapter_proxy.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/adapter_proxy.go
index 02fa3de..bbae0ed 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/adapter_proxy.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/adapter_proxy.go
@@ -17,6 +17,7 @@
 
 import (
 	"context"
+	"github.com/opencord/voltha-lib-go/v3/pkg/db"
 	"time"
 
 	"github.com/golang/protobuf/proto"
@@ -32,14 +33,17 @@
 	kafkaICProxy kafka.InterContainerProxy
 	adapterTopic string
 	coreTopic    string
+	endpointMgr  kafka.EndpointManager
 }
 
-func NewAdapterProxy(kafkaProxy kafka.InterContainerProxy, adapterTopic string, coreTopic string) *AdapterProxy {
-	var proxy AdapterProxy
-	proxy.kafkaICProxy = kafkaProxy
-	proxy.adapterTopic = adapterTopic
-	proxy.coreTopic = coreTopic
-	logger.Debugw("TOPICS", log.Fields{"core": proxy.coreTopic, "adapter": proxy.adapterTopic})
+func NewAdapterProxy(kafkaProxy kafka.InterContainerProxy, adapterTopic string, coreTopic string, backend *db.Backend) *AdapterProxy {
+	proxy := AdapterProxy{
+		kafkaICProxy: kafkaProxy,
+		adapterTopic: adapterTopic,
+		coreTopic:    coreTopic,
+		endpointMgr:  kafka.NewEndpointManager(backend),
+	}
+	logger.Debugw("topics", log.Fields{"core": proxy.coreTopic, "adapter": proxy.adapterTopic})
 	return &proxy
 }
 
@@ -87,7 +91,11 @@
 	}
 
 	// Set up the required rpc arguments
-	topic := kafka.Topic{Name: toAdapter}
+	endpoint, err := ap.endpointMgr.GetEndpoint(toDeviceId, toAdapter)
+	if err != nil {
+		return err
+	}
+	topic := kafka.Topic{Name: string(endpoint)}
 	replyToTopic := kafka.Topic{Name: fromAdapter}
 	rpc := "process_inter_adapter_message"
 
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/core_proxy.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/core_proxy.go
index 9582f33..20e1a52 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/core_proxy.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/core_proxy.go
@@ -99,6 +99,28 @@
 	topic := kafka.Topic{Name: ap.coreTopic}
 	replyToTopic := ap.getAdapterTopic()
 	args := make([]*kafka.KVArg, 2)
+
+	if adapter.TotalReplicas == 0 && adapter.CurrentReplica != 0 {
+		log.Fatal("totalReplicas can't be 0, since you're here you have at least one")
+	}
+
+	if adapter.CurrentReplica == 0 && adapter.TotalReplicas != 0 {
+		log.Fatal("currentReplica can't be 0, it has to start from 1")
+	}
+
+	if adapter.CurrentReplica == 0 && adapter.TotalReplicas == 0 {
+		// if the adapter is not setting these fields they default to 0,
+		// in that case it means the adapter is not ready to be scaled and thus it defaults
+		// to a single instance
+		adapter.CurrentReplica = 1
+		adapter.TotalReplicas = 1
+	}
+
+	if adapter.CurrentReplica > adapter.TotalReplicas {
+		log.Fatalf("CurrentReplica (%d) can't be greater than TotalReplicas (%d)",
+			adapter.CurrentReplica, adapter.TotalReplicas)
+	}
+
 	args[0] = &kafka.KVArg{
 		Key:   "adapter",
 		Value: adapter,