some little fixes + drone ci

.drone.yml

@@ -0,0 +1,19 @@
+pipeline:
+  test:
+    image: golang:latest
+    commands:
+      - go get -d -t ./...
+      - go get -u github.com/mattn/goveralls
+      - go get -u golang.org/x/tools/cmd/cover
+      - ./.test-coverage
+  codestyle:
+    image: golang:latest
+    commands:
+      - go get github.com/client9/misspell/cmd/misspell
+      - misspell -error .
+      - if [ -n "$(gofmt -s -l .)" ]; then echo "Go code is not formatted, run 'gofmt -s -w .'" >&2; exit 1; fi
+  test-race:
+    image: golang:latest
+    commands:
+      - go get -d -t ./...
+      - go test -v -cover --race ./...

README.md

@@ -1,2 +1,7 @@
-# golang-lib [![Build Status](https://travis-ci.org/genofire/golang-lib.svg?branch=master)](https://travis-ci.org/genofire/golang-lib) [![CircleCI](https://circleci.com/gh/genofire/golang-lib/tree/master.svg?style=shield)](https://circleci.com/gh/genofire/golang-lib/tree/master) [![Coverage Status](https://coveralls.io/repos/github/genofire/golang-lib/badge.svg?branch=master)](https://coveralls.io/github/genofire/golang-lib?branch=master) [![Go Report Card](https://goreportcard.com/badge/dev.sum7.eu/genofire/golang-lib)](https://goreportcard.com/report/dev.sum7.eu/genofire/golang-lib) [![GoDoc](https://godoc.org/dev.sum7.eu/genofire/golang-lib?status.svg)](https://godoc.org/dev.sum7.eu/genofire/golang-lib)
+# golang-lib
+[![DroneCI](https://ci.sum7.eu/api/badges/genofire/golang-lib/status.svg?branch=master)](https://ci.sum7.eu/genofire/golang-lib)
+[![Travis](https://travis-ci.org/genofire/golang-lib.svg?branch=master)](https://travis-ci.org/genofire/golang-lib) [![CircleCI](https://circleci.com/gh/genofire/golang-lib/tree/master.svg?style=shield)](https://circleci.com/gh/genofire/golang-lib/tree/master)
+[![Coverage](https://coveralls.io/repos/github/genofire/golang-lib/badge.svg?branch=master)](https://coveralls.io/github/genofire/golang-lib?branch=master)
+[![Go Report Card](https://goreportcard.com/badge/dev.sum7.eu/genofire/golang-lib)](https://goreportcard.com/report/dev.sum7.eu/genofire/golang-lib)
+[![GoDoc](https://godoc.org/dev.sum7.eu/genofire/golang-lib?status.svg)](https://godoc.org/dev.sum7.eu/genofire/golang-lib)
 some packages collected for easy and often used functions

file/main.go

@@ -15,8 +15,7 @@ func ReadTOML(path string, data interface{}) error {
 		return err
 	}
 
-	err = toml.Unmarshal(file, data)
+	if err := toml.Unmarshal(file, data); err != nil {
-	if err != nil {
 		return err
 	}
 
@@ -30,8 +29,7 @@ func ReadJSON(path string, data interface{}) error {
 		return err
 	}
 
-	err = json.NewDecoder(file).Decode(data)
+	if err := json.NewDecoder(file).Decode(data); err != nil {
-	if err != nil {
 		return err
 	}
 
@@ -42,17 +40,16 @@ func ReadJSON(path string, data interface{}) error {
 func SaveJSON(outputFile string, data interface{}) error {
 	tmpFile := outputFile + ".tmp"
 
-	f, err := os.OpenFile(tmpFile, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
+	file, err := os.OpenFile(tmpFile, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
 	if err != nil {
 		return err
 	}
 
-	err = json.NewEncoder(f).Encode(data)
+	if err := json.NewEncoder(file).Encode(data); err != nil {
-	if err != nil {
 		return err
 	}
 
-	f.Close()
+	file.Close()
 	if err := os.Rename(tmpFile, outputFile); err != nil {
 		return err
 	}

file/worker.go

@@ -10,6 +10,6 @@ func NewSaveJSONWorker(repeat time.Duration, path string, data interface{}) *wor
 	saveWorker := worker.NewWorker(repeat, func() {
 		SaveJSON(path, data)
 	})
-	go saveWorker.Start()
+	saveWorker.Start()
 	return saveWorker
 }

http/io.go

@@ -11,7 +11,7 @@ import (
 // Function to read data from a http request via json format (input)
 func Read(r *http.Request, to interface{}) (err error) {
 	if !strings.Contains(r.Header.Get("Content-Type"), "application/json") {
-		err = errors.New("no json request recieved")
+		err = errors.New("no json request received")
 		return
 	}
 	err = json.NewDecoder(r.Body).Decode(to)

http/main_test.go

@@ -8,7 +8,6 @@ import (
 )
 
 // Function to test the logging
-// Input: pointer to teh testing object
 func TestGetIP(t *testing.T) {
 	assertion := assert.New(t)
 

websocket/session.go

@@ -76,6 +76,8 @@ func (s *SessionManager) Remove(c *Client) (client bool, session bool) {
 }
 
 func (s *SessionManager) Send(id uuid.UUID, msg *Message) {
+	s.Lock()
+	defer s.Unlock()
 	clients := s.sessionToClient[id]
 	for _, c := range clients {
 		c.Write(msg)

worker/main.go

@@ -28,6 +28,8 @@ func NewWorker(every time.Duration, f func()) (w *Worker) {
 // (please us it as a go routine with go w.Start())
 func (w *Worker) Start() {
 	w.wg.Add(1)
+	go func() {
+		defer w.wg.Done()
 		ticker := time.NewTicker(w.every)
 		for {
 			select {
@@ -35,10 +37,10 @@ func (w *Worker) Start() {
 				w.run()
 			case <-w.quit:
 				ticker.Stop()
-			w.wg.Done()
 				return
 			}
 		}
+	}()
 }
 
 // Function to stop the Worker

worker/main_test.go

@@ -15,9 +15,9 @@ func TestWorker(t *testing.T) {
 	runtime := 0
 
 	w := NewWorker(time.Duration(5)*time.Millisecond, func() {
-		runtime = runtime + 1
+		runtime++
 	})
-	go w.Start()
+	w.Start()
 	time.Sleep(time.Duration(18) * time.Millisecond)
 	w.Close()
 	time.Sleep(time.Duration(18) * time.Millisecond)