Merge pull request #92 from unistack-org/cleanup

server: remove unparsed body from request and message

.github/dependabot.yml

@@ -0,0 +1,19 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+
+  # Maintain dependencies for Golang
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/renovate.json

@@ -1,19 +0,0 @@
-{
-  "extends": [
-    "config:base"
-  ],
-  "packageRules": [
-    {
-      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
-      "automerge": true
-    },
-    {
-      "groupName": "all deps",
-      "separateMajorMinor": true,
-      "groupSlug": "all",
-      "packagePatterns": [
-        "*"
-      ]
-    }
-  ]
-}

.github/stale.sh

@@ -1,13 +0,0 @@
-#!/bin/bash -ex
-
-export PATH=$PATH:$(pwd)/bin
-export GO111MODULE=on
-export GOBIN=$(pwd)/bin
-
-#go get github.com/rvflash/goup@v0.4.1
-
-#goup -v ./...
-#go get github.com/psampaz/go-mod-outdated@v0.6.0
-go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true
-
-#go list -u -m -json all | go-mod-outdated -update

.github/workflows/autoapprove.yml

@@ -0,0 +1,20 @@
+name: "autoapprove"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  autoapprove:
+    runs-on: ubuntu-latest
+    steps:
+      - name: approve
+        uses: hmarr/auto-approve-action@v2
+        if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
+        id: approve
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/automerge.yml

@@ -0,0 +1,21 @@
+name: "automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'vtolstov'
+    steps:
+      - name: merge
+        id: merge
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/build.yml

@@ -3,6 +3,7 @@ on:
  push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
@@ -11,9 +12,9 @@ jobs:
     - name: setup
       uses: actions/setup-go@v2
       with:
-        go-version: 1.16
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
       uses: actions/cache@v2
       with:
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.1.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,78 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "codeql"
+
+on:
+  workflow_run:
+    workflows: ["prbuild"]
+    types:
+      - completed
+  push:
+    branches: [ master, v3 ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master, v3 ]
+  schedule:
+    - cron: '34 1 * * 0'
+
+jobs:
+  analyze:
+    name: analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: setup
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17
+    # Initializes the CodeQL tools for scanning.
+    - name: init
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: analyze
+      uses: github/codeql-action/analyze@v1

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,27 @@
+name: "dependabot-automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
+    steps:
+      - name: metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.0
+        with:
+          github-token: "${{ secrets.TOKEN }}"
+      - name: merge
+        id: merge
+        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/pr.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
@@ -11,9 +12,9 @@ jobs:
     - name: setup
       uses: actions/setup-go@v2
       with:
-        go-version: 1.16
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
       uses: actions/cache@v2
       with:
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.1.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

.golangci.yml

@@ -0,0 +1,44 @@
+run:
+  concurrency: 4
+  deadline: 5m
+  issues-exit-code: 1
+  tests: true
+
+linters-settings:
+  govet:
+    check-shadowing: true
+    enable:
+      - fieldalignment
+
+linters:
+  enable:
+    - govet
+    - deadcode
+    - errcheck
+    - govet
+    - ineffassign
+    - staticcheck
+    - structcheck
+    - typecheck
+    - unused
+    - varcheck
+    - bodyclose
+    - gci
+    - goconst
+    - gocritic
+    - gosimple
+    - gofmt
+    - gofumpt
+    - goimports
+    - golint
+    - gosec
+    - makezero
+    - misspell
+    - nakedret
+    - nestif
+    - nilerr
+    - noctx
+    - prealloc
+    - unconvert
+    - unparam
+  disable-all: false

go.mod

@@ -1,8 +1,8 @@
-module github.com/unistack-org/micro-server-tcp/v3
+module go.unistack.org/micro-server-tcp/v3
 
 go 1.16
 
 require (
-	github.com/unistack-org/micro/v3 v3.3.0
+	go.unistack.org/micro/v3 v3.9.0
-	golang.org/x/net v0.0.0-20210323141857-08027d57d8cf
+	golang.org/x/net v0.0.0-20210928044308-7d9f5e0b762b
 )

go.sum

@@ -1,20 +1,159 @@
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
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+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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handler.go

@@ -3,8 +3,8 @@ package tcp
 import (
 	"net"
 
-	"github.com/unistack-org/micro/v3/register"
+	"go.unistack.org/micro/v3/register"
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v3/server"
 )
 
 type Handler interface {
@@ -13,8 +13,8 @@ type Handler interface {
 
 type tcpHandler struct {
 	opts       server.HandlerOptions
-	eps        []*register.Endpoint
 	hd         interface{}
+	eps        []*register.Endpoint
 	maxMsgSize int
 }
 

message.go

@@ -1,27 +1,26 @@
 package tcp
 
 import (
-	"github.com/unistack-org/micro/v3/codec"
+	"go.unistack.org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/server"
 )
 
+var _ server.Message = &tcpMessage{}
+
 type tcpMessage struct {
-	topic       string
 	payload     interface{}
-	contentType string
-	header      metadata.Metadata
-	body        []byte
 	codec       codec.Codec
+	header      metadata.Metadata
+	topic       string
+	contentType string
+	body        []byte
 }
 
 func (r *tcpMessage) Topic() string {
 	return r.topic
 }
 
-func (r *tcpMessage) Payload() interface{} {
-	return r.payload
-}
-
 func (r *tcpMessage) ContentType() string {
 	return r.contentType
 }
@@ -30,8 +29,8 @@ func (r *tcpMessage) Header() metadata.Metadata {
 	return r.header
 }
 
-func (r *tcpMessage) Body() []byte {
+func (r *tcpMessage) Body() interface{} {
-	return r.body
+	return r.payload
 }
 
 func (r *tcpMessage) Codec() codec.Codec {

options.go

@@ -4,19 +4,19 @@ import (
 	"crypto/tls"
 	"net"
 
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v3/server"
 )
 
-var (
+// DefaultMaxMsgSize define maximum message size that server can send
-	// DefaultMaxMsgSize define maximum message size that server can send
+// or receive.  Default value is 8K
-	// or receive.  Default value is 8K
+var DefaultMaxMsgSize = 1024 * 8
-	DefaultMaxMsgSize = 1024 * 8
-)
 
-type maxMsgSizeKey struct{}
+type (
-type tlsAuth struct{}
+	maxMsgSizeKey struct{}
-type maxConnKey struct{}
+	tlsAuth       struct{}
-type netListener struct{}
+	maxConnKey    struct{}
+	netListener   struct{}
+)
 
 //
 // MaxMsgSize set the maximum message in bytes the server can receive and

request.go

@@ -1,17 +1,21 @@
 package tcp
 
 import (
-	"github.com/unistack-org/micro/v3/codec"
+	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/server"
 )
 
+var _ server.Request = &tcpRequest{}
+
 type tcpRequest struct {
-	service     string
+	codec       codec.Codec
+	body        interface{}
+	header      map[string]string
 	method      string
 	endpoint    string
 	contentType string
-	header      map[string]string
+	service     string
-	body        interface{}
-	codec       codec.Codec
 }
 
 func (r *tcpRequest) Service() string {
@@ -30,7 +34,7 @@ func (r *tcpRequest) ContentType() string {
 	return r.contentType
 }
 
-func (r *tcpRequest) Header() map[string]string {
+func (r *tcpRequest) Header() metadata.Metadata {
 	return r.header
 }
 

subscriber.go

@@ -9,11 +9,11 @@ import (
 	"unicode"
 	"unicode/utf8"
 
-	"github.com/unistack-org/micro/v3/broker"
+	"go.unistack.org/micro/v3/broker"
-	"github.com/unistack-org/micro/v3/codec"
+	"go.unistack.org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/metadata"
-	"github.com/unistack-org/micro/v3/register"
+	"go.unistack.org/micro/v3/register"
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v3/server"
 )
 
 const (
@@ -23,9 +23,9 @@ const (
 var typeOfError = reflect.TypeOf((*error)(nil)).Elem()
 
 type handler struct {
-	method  reflect.Value
 	reqType reflect.Type
 	ctxType reflect.Type
+	method  reflect.Value
 }
 
 type tcpSubscriber struct {
@@ -133,7 +133,8 @@ func validateSubscriber(sub server.Subscriber) error {
 	typ := reflect.TypeOf(sub.Subscriber())
 	var argType reflect.Type
 
-	if typ.Kind() == reflect.Func {
+	switch typ.Kind() {
+	case reflect.Func:
 		name := "Func"
 		switch typ.NumIn() {
 		case 2:
@@ -151,7 +152,7 @@ func validateSubscriber(sub server.Subscriber) error {
 		if returnType := typ.Out(0); returnType != typeOfError {
 			return fmt.Errorf("subscriber %v returns %v not error", name, returnType.String())
 		}
-	} else {
+	default:
 		hdlr := reflect.ValueOf(sub.Subscriber())
 		name := reflect.Indirect(hdlr).Type().Name()
 
@@ -192,12 +193,14 @@ func (s *tcpServer) createSubHandler(sb *tcpSubscriber, opts server.Options) bro
 			return err
 		}
 
-		hdr := make(map[string]string)
+		hdr := make(map[string]string, len(msg.Header)-1)
 		for k, v := range msg.Header {
+			if k == "Content-Type" {
+				continue
+			}
 			hdr[k] = v
 		}
-		delete(hdr, "Content-Type")
+		ctx := metadata.NewIncomingContext(context.Background(), hdr)
-		ctx := metadata.NewContext(context.Background(), hdr)
 
 		results := make(chan error, len(sb.handlers))
 
@@ -236,7 +239,7 @@ func (s *tcpServer) createSubHandler(sb *tcpSubscriber, opts server.Options) bro
 					vals = append(vals, reflect.ValueOf(ctx))
 				}
 
-				vals = append(vals, reflect.ValueOf(msg.Payload()))
+				vals = append(vals, reflect.ValueOf(msg.Body()))
 
 				returnValues := handler.method.Call(vals)
 				if err := returnValues[0].Interface(); err != nil {
@@ -255,7 +258,6 @@ func (s *tcpServer) createSubHandler(sb *tcpSubscriber, opts server.Options) bro
 					contentType: ct,
 					payload:     req.Interface(),
 					header:      msg.Header,
-					body:        msg.Body,
 					codec:       cf,
 				})
 			}()

tcp.go

@@ -1,5 +1,5 @@
 // Package tcp implements a go-micro.Server
-package tcp
+package tcp // import "go.unistack.org/micro-server-tcp/v3"
 
 import (
 	"crypto/tls"
@@ -9,26 +9,23 @@ import (
 	"sync"
 	"time"
 
-	"github.com/unistack-org/micro/v3/broker"
+	"go.unistack.org/micro/v3/broker"
-	"github.com/unistack-org/micro/v3/codec"
+	"go.unistack.org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/logger"
+	"go.unistack.org/micro/v3/logger"
-	"github.com/unistack-org/micro/v3/register"
+	"go.unistack.org/micro/v3/register"
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v3/server"
 	"golang.org/x/net/netutil"
 )
 
 type tcpServer struct {
+	hd          server.Handler
+	rsvc        *register.Service
+	exit        chan chan error
+	subscribers map[*tcpSubscriber][]broker.Subscriber
+	opts        server.Options
 	sync.RWMutex
-	opts         server.Options
-	hd           server.Handler
-	exit         chan chan error
-	registerOnce sync.Once
-	subscribers  map[*tcpSubscriber][]broker.Subscriber
-	// used for first registration
 	registered bool
 	init       bool
-	// register service instance
-	rsvc *register.Service
 }
 
 func (h *tcpServer) newCodec(ct string) (codec.Codec, error) {
@@ -89,15 +86,12 @@ func (h *tcpServer) Handle(handler server.Handler) error {
 func (h *tcpServer) NewHandler(handler interface{}, opts ...server.HandlerOption) server.Handler {
 	options := server.NewHandlerOptions(opts...)
 
-	var eps []*register.Endpoint
+	eps := make([]*register.Endpoint, 0, len(options.Metadata))
-
+	for name, metadata := range options.Metadata {
-	if !options.Internal {
+		eps = append(eps, &register.Endpoint{
-		for name, metadata := range options.Metadata {
+			Name:     name,
-			eps = append(eps, &register.Endpoint{
+			Metadata: metadata,
-				Name:     name,
+		})
-				Metadata: metadata,
-			})
-		}
 	}
 
 	th := &tcpHandler{
@@ -159,17 +153,17 @@ func (h *tcpServer) Register() error {
 	if err != nil {
 		return err
 	}
+
 	service.Nodes[0].Metadata["protocol"] = "tcp"
-	service.Nodes[0].Metadata["transport"] = "tcp"
+	service.Nodes[0].Metadata["transport"] = service.Nodes[0].Metadata["protocol"]
 	service.Endpoints = eps
 
 	h.Lock()
-	var subscriberList []*tcpSubscriber
+
+	subscriberList := make([]*tcpSubscriber, 0, len(h.subscribers))
 	for e := range h.subscribers {
 		// Only advertise non internal subscribers
-		if !e.Options().Internal {
+		subscriberList = append(subscriberList, e)
-			subscriberList = append(subscriberList, e)
-		}
 	}
 	sort.Slice(subscriberList, func(i, j int) bool {
 		return subscriberList[i].topic > subscriberList[j].topic
@@ -185,7 +179,7 @@ func (h *tcpServer) Register() error {
 
 	if !registered {
 		if config.Logger.V(logger.InfoLevel) {
-			config.Logger.Infof(config.Context, "Register [%s] Registering node: %s", config.Register.String(), service.Nodes[0].Id)
+			config.Logger.Infof(config.Context, "Register [%s] Registering node: %s", config.Register.String(), service.Nodes[0].ID)
 		}
 	}
 
@@ -248,7 +242,7 @@ func (h *tcpServer) Deregister() error {
 	}
 
 	if config.Logger.V(logger.InfoLevel) {
-		config.Logger.Infof(config.Context, "Deregistering node: %s", service.Nodes[0].Id)
+		config.Logger.Infof(config.Context, "Deregistering node: %s", service.Nodes[0].ID)
 	}
 
 	if err := server.DefaultDeregisterFunc(service, config); err != nil {
@@ -316,10 +310,13 @@ func (h *tcpServer) Start() error {
 
 	if l := h.getListener(); l != nil {
 		ts = l
-	} else {
+	}
+
+	// nolint: nestif
+	if ts == nil {
 		// check the tls config for secure connect
-		if tc := config.TLSConfig; tc != nil {
+		if config.TLSConfig != nil {
-			ts, err = tls.Listen("tcp", config.Address, tc)
+			ts, err = tls.Listen("tcp", config.Address, config.TLSConfig)
 			// otherwise just plain tcp listener
 		} else {
 			ts, err = net.Listen("tcp", config.Address)
@@ -379,25 +376,26 @@ func (h *tcpServer) Start() error {
 				registered := h.registered
 				h.RUnlock()
 				rerr := h.opts.RegisterCheck(h.opts.Context)
+				// nolint: nestif
 				if rerr != nil && registered {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s, deregister it", config.Name, config.Id, rerr)
+						config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s, deregister it", config.Name, config.ID, rerr)
 					}
 					// deregister self in case of error
 					if err := h.Deregister(); err != nil {
 						if config.Logger.V(logger.ErrorLevel) {
-							config.Logger.Errorf(config.Context, "Server %s-%s deregister error: %s", config.Name, config.Id, err)
+							config.Logger.Errorf(config.Context, "Server %s-%s deregister error: %s", config.Name, config.ID, err)
 						}
 					}
 				} else if rerr != nil && !registered {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s", config.Name, config.Id, rerr)
+						config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s", config.Name, config.ID, rerr)
 					}
 					continue
 				}
 				if err := h.Register(); err != nil {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Errorf(config.Context, "Server %s-%s register error: %s", config.Name, config.Id, err)
+						config.Logger.Errorf(config.Context, "Server %s-%s register error: %s", config.Name, config.ID, err)
 					}
 				}
 				// wait for exit
@@ -409,9 +407,13 @@ func (h *tcpServer) Start() error {
 		ch <- ts.Close()
 
 		// deregister
-		h.Deregister()
+		if cerr := h.Deregister(); cerr != nil {
+			config.Logger.Errorf(config.Context, "Register deregister error: %v", cerr)
+		}
 
-		config.Broker.Disconnect(config.Context)
+		if cerr := config.Broker.Disconnect(config.Context); cerr != nil {
+			config.Logger.Errorf(config.Context, "Broker disconnect error: %v", cerr)
+		}
 	}()
 
 	return nil
@@ -423,24 +425,25 @@ func (h *tcpServer) Stop() error {
 	return <-ch
 }
 
-func (s *tcpServer) String() string {
+func (h *tcpServer) String() string {
 	return "tcp"
 }
 
-func (s *tcpServer) Name() string {
+func (h *tcpServer) Name() string {
-	return s.opts.Name
+	return h.opts.Name
 }
 
-func (s *tcpServer) serve(ln net.Listener, h Handler) {
+func (h *tcpServer) serve(ln net.Listener, hd Handler) {
 	var tempDelay time.Duration // how long to sleep on accept failure
-	s.RLock()
+	h.RLock()
-	config := s.opts
+	config := h.opts
-	s.RUnlock()
+	h.RUnlock()
 	for {
 		c, err := ln.Accept()
+		// nolint: nestif
 		if err != nil {
 			select {
-			case <-s.exit:
+			case <-h.exit:
 				return
 			default:
 			}
@@ -460,16 +463,16 @@ func (s *tcpServer) serve(ln net.Listener, h Handler) {
 				continue
 			}
 			if config.Logger.V(logger.ErrorLevel) {
-				config.Logger.Error(config.Context, "tcp: Accept error: %v", err)
+				config.Logger.Errorf(config.Context, "tcp: Accept error: %v", err)
 			}
 			return
 		}
 
 		if err != nil {
-			config.Logger.Error(config.Context, "tcp: accept err: %v", err)
+			config.Logger.Errorf(config.Context, "tcp: accept err: %v", err)
 			return
 		}
-		go h.Serve(c)
+		go hd.Serve(c)
 	}
 }