Accumulated changes for message queue (#6600)

* rename

* set agent address

* refactor

* add agent sub

* pub messages

* grpc new client

* can publish records via agent

* send init message with session id

* fmt

* check cancelled request while waiting

* use sessionId

* handle possible nil stream

* subscriber process messages

* separate debug port

* use atomic int64

* less logs

* minor

* skip io.EOF

* rename

* remove unused

* use saved offsets

* do not reuse session, since always session id is new after restart

remove last active ts from SessionEntry

* simplify printing

* purge unused

* just proxy the subscription, skipping the session step

* adjust offset types

* subscribe offset type and possible value

* start after the known tsns

* avoid wrongly set startPosition

* move

* remove

* refactor

* typo

* fix

* fix changed path

docker/Makefile

@@ -9,10 +9,8 @@ binary:
 	export SWCOMMIT=$(shell git rev-parse --short HEAD)
 	export SWLDFLAGS="-X github.com/seaweedfs/seaweedfs/weed/util.COMMIT=$(SWCOMMIT)"
 	cd ../weed && CGO_ENABLED=$(cgo) GOOS=linux go build $(options) -tags "$(tags)" -ldflags "-s -w -extldflags -static $(SWLDFLAGS)" && mv weed ../docker/
-	cd ../weed/mq/client/cmd/weed_pub_kv && CGO_ENABLED=$(cgo) GOOS=linux go build && mv weed_pub_kv ../../../../../docker/
-	cd ../weed/mq/client/cmd/weed_pub_record && CGO_ENABLED=$(cgo) GOOS=linux go build && mv weed_pub_record ../../../../../docker/
-	cd ../weed/mq/client/cmd/weed_sub_kv && CGO_ENABLED=$(cgo) GOOS=linux go build && mv weed_sub_kv ../../../../../docker/
-	cd ../weed/mq/client/cmd/weed_sub_record && CGO_ENABLED=$(cgo) GOOS=linux go build && mv weed_sub_record ../../../../../docker/
+	cd ../other/mq_client_example/agent_pub_record && CGO_ENABLED=$(cgo) GOOS=linux go build && mv agent_pub_record ../../../docker/
+	cd ../other/mq_client_example/agent_sub_record && CGO_ENABLED=$(cgo) GOOS=linux go build && mv agent_sub_record ../../../docker/
 
 binary_race: options = -race
 binary_race: cgo = 1
@@ -97,6 +95,9 @@ s3tests: build s3tests_build
 brokers: build
 	docker compose -f compose/local-brokers-compose.yml -p seaweedfs up
 
+agent: build
+	docker compose -f compose/local-mq-test.yml -p seaweedfs up
+
 filer_etcd: build
 	docker stack deploy -c compose/swarm-etcd.yml fs
 

docker/compose/local-mq-test.yml

@@ -1,5 +1,3 @@
-version: '3.9'
-
 services:
   server:
     image: chrislusf/seaweedfs:local
@@ -19,9 +17,16 @@ services:
     depends_on:
       server:
         condition: service_healthy
+  mq_agent:
+    image: chrislusf/seaweedfs:local
+    ports:
+      - 16777:16777
+    command: "mq.agent -broker=mq_broker:17777 -port=16777"
+    depends_on:
+      - mq_broker
   mq_client:
     image: chrislusf/seaweedfs:local
     # run a custom command instead of entrypoint
     command: "ls -al"
     depends_on:
-      - mq_broker
+      - mq_agent