add lint action

.github/workflows/lint.yaml

@@ -0,0 +1,15 @@
+name: golangci-lint
+on:
+  push:
+  pull_request:
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
+          version: v1.29

.golangci.yml

@@ -0,0 +1,26 @@
+run:
+  concurrency: 10
+  tests: true
+  skip-dirs-use-default: false
+  timeout: 5m
+
+linters-settings:
+  golint:
+    min-confidence: 0.8
+  gofmt:
+    simplify: true
+
+linters:
+  enable:
+    - gofmt
+    - gosimple
+    - govet
+    - unconvert
+    - misspell
+    - goimports
+    - golint
+  disable-all: false
+  fast: false
+
+issues:
+  exclude-use-default: false

examples/gowebsocket/main.go

@@ -1,10 +1,11 @@
 package main
 
 import (
-	"github.com/sacOO7/gowebsocket"
 	"log"
 	"os"
 	"os/signal"
+
+	"github.com/sacOO7/gowebsocket"
 )
 
 func main() {
@@ -25,20 +26,19 @@ func main() {
 	socket.RequestHeader.Set("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36")
 
 	socket.OnConnectError = func(err error, socket gowebsocket.Socket) {
-		log.Fatal("Recieved connect error ", err)
+		log.Fatal("Received connect error ", err)
 	}
 	socket.OnConnected = func(socket gowebsocket.Socket) {
 		log.Println("Connected to server")
 	}
 	socket.OnTextMessage = func(message string, socket gowebsocket.Socket) {
-		log.Println("Recieved message  " + message)
+		log.Println("Received message  " + message)
 	}
 	socket.OnPingReceived = func(data string, socket gowebsocket.Socket) {
-		log.Println("Recieved ping " + data)
+		log.Println("Received ping " + data)
 	}
 	socket.OnDisconnected = func(err error, socket gowebsocket.Socket) {
 		log.Println("Disconnected from server ")
-		return
 	}
 	socket.Connect()
 
@@ -48,6 +48,7 @@ func main() {
 		i++
 	}
 
+	// nolint: gosimple
 	for {
 		select {
 		case <-interrupt:

gowebsocket.go

@@ -3,32 +3,37 @@ package gowebsocket
 import (
 	"crypto/tls"
 	"errors"
-	"github.com/gorilla/websocket"
-	"github.com/sacOO7/go-logger"
+	"fmt"
 	"net/http"
 	"net/url"
 	"reflect"
 	"sync"
 	"time"
+
+	"github.com/gorilla/websocket"
+	logging "github.com/sacOO7/go-logger"
 )
 
-type Empty struct {
+type empty struct {
 }
 
-var logger = logging.GetLogger(reflect.TypeOf(Empty{}).PkgPath()).SetLevel(logging.OFF)
+var logger = logging.GetLogger(reflect.TypeOf(empty{}).PkgPath()).SetLevel(logging.OFF)
 
+// EnableLogging enables the logger
 func (socket Socket) EnableLogging() {
 	logger.SetLevel(logging.TRACE)
 }
 
+// GetLogger gets the logger object
 func (socket Socket) GetLogger() logging.Logger {
 	return logger
 }
 
+// Socket provides a websocket request
 type Socket struct {
 	Conn              *websocket.Conn
 	WebsocketDialer   *websocket.Dialer
-	Url               string
+	URL               string
 	ConnectionOptions ConnectionOptions
 	RequestHeader     http.Header
 	OnConnected       func(socket Socket)
@@ -44,20 +49,23 @@ type Socket struct {
 	receiveMu         *sync.Mutex
 }
 
+// ConnectionOptions contains connection options
 type ConnectionOptions struct {
 	UseCompression bool
 	UseSSL         bool
 	Proxy          func(*http.Request) (*url.URL, error)
 	Subprotocols   []string
 }
 
-// todo Yet to be done
+// ReconnectionOptions provides options for reconnecting to the websocket
+// TODO Yet to be done
 type ReconnectionOptions struct {
 }
 
+// New creates a new websocket for the given url
 func New(url string) Socket {
 	return Socket{
-		Url:           url,
+		URL:           url,
 		RequestHeader: http.Header{},
 		ConnectionOptions: ConnectionOptions{
 			UseCompression: false,
@@ -77,16 +85,17 @@ func (socket *Socket) setConnectionOptions() {
 	socket.WebsocketDialer.Subprotocols = socket.ConnectionOptions.Subprotocols
 }
 
+// Connect connects to the websocket server
 func (socket *Socket) Connect() {
 	var err error
 	var resp *http.Response
 	socket.setConnectionOptions()
 
-	socket.Conn, resp, err = socket.WebsocketDialer.Dial(socket.Url, socket.RequestHeader)
+	socket.Conn, resp, err = socket.WebsocketDialer.Dial(socket.URL, socket.RequestHeader)
 
 	if err != nil {
 		logger.Error.Println("Error while connecting to server ", err)
-		logger.Error.Println("HTTP Response %d status: %s", resp.StatusCode, resp.Status)
+		logger.Error.Println(fmt.Sprintf("HTTP Response %d status: %s", resp.StatusCode, resp.Status))
 		socket.IsConnected = false
 		if socket.OnConnectError != nil {
 			socket.OnConnectError(err, *socket)
@@ -134,19 +143,22 @@ func (socket *Socket) Connect() {
 		for {
 			socket.receiveMu.Lock()
 			if socket.Timeout != 0 {
-				socket.Conn.SetReadDeadline(time.Now().Add(socket.Timeout))
+				err := socket.Conn.SetReadDeadline(time.Now().Add(socket.Timeout))
+				if err != nil {
+					logger.Error.Println(err)
+				}
 			}
 			messageType, message, err := socket.Conn.ReadMessage()
 			socket.receiveMu.Unlock()
 			if err != nil {
-				logger.Error.Println("read:", err)
+				logger.Error.Println(fmt.Sprintf("read: %s", err))
 				if socket.OnDisconnected != nil {
 					socket.IsConnected = false
 					socket.OnDisconnected(err, *socket)
 				}
 				return
 			}
-			logger.Info.Println("recv: %s", message)
+			logger.Info.Println(fmt.Sprintf("recv: %s", message))
 
 			switch messageType {
 			case websocket.TextMessage:
@@ -162,6 +174,7 @@ func (socket *Socket) Connect() {
 	}()
 }
 
+// SendText sends a test message to the server
 func (socket *Socket) SendText(message string) {
 	err := socket.send(websocket.TextMessage, []byte(message))
 	if err != nil {
@@ -170,6 +183,7 @@ func (socket *Socket) SendText(message string) {
 	}
 }
 
+// SendBinary sends a binary message to the websocket
 func (socket *Socket) SendBinary(data []byte) {
 	err := socket.send(websocket.BinaryMessage, data)
 	if err != nil {
@@ -185,12 +199,13 @@ func (socket *Socket) send(messageType int, data []byte) error {
 	return err
 }
 
+// Close closese the websocket
 func (socket *Socket) Close() {
 	err := socket.send(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
 	if err != nil {
 		logger.Error.Println("write close:", err)
 	}
-	socket.Conn.Close()
+	_ = socket.Conn.Close()
 	if socket.OnDisconnected != nil {
 		socket.IsConnected = false
 		socket.OnDisconnected(err, *socket)

utils.go

@@ -6,8 +6,9 @@ import (
 	"net/url"
 )
 
-func BuildProxy(Url string) func(*http.Request) (*url.URL, error) {
-	uProxy, err := url.Parse(Url)
+// BuildProxy creates an http proxy
+func BuildProxy(rawURL string) func(*http.Request) (*url.URL, error) {
+	uProxy, err := url.Parse(rawURL)
 	if err != nil {
 		log.Fatal("Error while parsing url ", err)
 	}