kafka topic优化及解释，删除废弃topic的冗余代码 (#255)

config/config.yaml

@@ -45,16 +45,16 @@ redis:
 kafka:
   ws2mschat:
     addr: [ 127.0.0.1:9092 ] #kafka配置，默认即可
-    topic: "ws2ms_chat"
-  ws2mschatoffline:
-    addr: [ 127.0.0.1:9092 ] #kafka配置，默认即可
-    topic: "ws2ms_chat_offline"
+    topic: "ws2ms_chat" #用于mongo和mysql保存消息
+#  ws2mschatoffline:
+#    addr: [ 127.0.0.1:9092 ] #kafka配置，默认即可
+#    topic: "ws2ms_chat_offline" #原为离线用户消息处理，目前暂时弃用
   msgtomongo:
     addr: [ 127.0.0.1:9092 ] #kafka配置，默认即可
     topic: "msg_to_mongo"
   ms2pschat:
     addr: [ 127.0.0.1:9092 ] #kafka配置，默认即可
-    topic: "ms2ps_chat"
+    topic: "ms2ps_chat" #消息push
   consumergroupid:
     msgToTransfer: mongo
     msgToMongo: mongo_ex

internal/rpc/msg/rpcChat.go

@@ -21,8 +21,8 @@ type rpcChat struct {
 	etcdSchema      string
 	etcdAddr        []string
 	onlineProducer  *kafka.Producer
-	offlineProducer *kafka.Producer
-	delMsgCh        chan deleteMsg
+	//offlineProducer *kafka.Producer
+	delMsgCh chan deleteMsg
 }
 
 type deleteMsg struct {
@@ -41,7 +41,7 @@ func NewRpcChatServer(port int) *rpcChat {
 		etcdAddr:        config.Config.Etcd.EtcdAddr,
 	}
 	rc.onlineProducer = kafka.NewKafkaProducer(config.Config.Kafka.Ws2mschat.Addr, config.Config.Kafka.Ws2mschat.Topic)
-	rc.offlineProducer = kafka.NewKafkaProducer(config.Config.Kafka.Ws2mschatOffline.Addr, config.Config.Kafka.Ws2mschatOffline.Topic)
+	//rc.offlineProducer = kafka.NewKafkaProducer(config.Config.Kafka.Ws2mschatOffline.Addr, config.Config.Kafka.Ws2mschatOffline.Topic)
 	rc.delMsgCh = make(chan deleteMsg, 1000)
 	return &rc
 }

pkg/common/config/config.go

@@ -213,10 +213,10 @@ type config struct {
 			Addr  []string `yaml:"addr"`
 			Topic string   `yaml:"topic"`
 		}
-		Ws2mschatOffline struct {
-			Addr  []string `yaml:"addr"`
-			Topic string   `yaml:"topic"`
-		}
+		//Ws2mschatOffline struct {
+		//	Addr  []string `yaml:"addr"`
+		//	Topic string   `yaml:"topic"`
+		//}
 		MsgToMongo struct {
 			Addr  []string `yaml:"addr"`
 			Topic string   `yaml:"topic"`