feat: adding header support for client

go.mod

@@ -4,6 +4,17 @@ go 1.24.5
 
 require github.com/gorilla/websocket v1.5.3
 
-require git.neurocipta.com/rogerferdinan/custom-rwmutex v1.0.0
+require (
+	git.neurocipta.com/rogerferdinan/custom-rwmutex v1.0.0
+	github.com/google/uuid v1.6.0
+)
 
-require git.neurocipta.com/rogerferdinan/safe-map v0.0.0-20251011004629-ab0b119a7c48 // indirect
+require (
+	git.neurocipta.com/rogerferdinan/safe-map v0.0.0-20251011004629-ab0b119a7c48
+	github.com/gobwas/ws v1.4.0
+)
+
+require (
+	github.com/gobwas/httphead v0.1.0 // indirect
+	github.com/gobwas/pool v0.2.1 // indirect
+)

go.sum

@@ -2,5 +2,14 @@ git.neurocipta.com/rogerferdinan/custom-rwmutex v1.0.0 h1:KnNc40SrYsg0cksIIcQy/c
 git.neurocipta.com/rogerferdinan/custom-rwmutex v1.0.0/go.mod h1:9DvvHc2UZhBwEs63NgO4IhiuHnBNtTuBkTJgiMnnCss=
 git.neurocipta.com/rogerferdinan/safe-map v0.0.0-20251011004629-ab0b119a7c48 h1:4wXSbEuwFd2gycaaGP35bjUkKEEO6WcVfJ6cetEyT5s=
 git.neurocipta.com/rogerferdinan/safe-map v0.0.0-20251011004629-ab0b119a7c48/go.mod h1:QtIxG0BYCCq8a5qyklpSHA8qWUvKr+mfl42qF9QxTc0=
+github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
+github.com/gobwas/httphead v0.1.0/go.mod h1:O/RXo79gxV8G+RqlR/otEwx4Q36zl9rqC5u12GKvMCM=
+github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
+github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
+github.com/gobwas/ws v1.4.0 h1:CTaoG1tojrh4ucGPcoJFiAQUAsEWekEWvLy7GsVNqGs=
+github.com/gobwas/ws v1.4.0/go.mod h1:G3gNqMNtPppf5XUz7O4shetPpcZ1VJ7zt18dlUeakrc=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

internal/error_response.go

@@ -0,0 +1,56 @@
+package internal
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+type StatusMessageBuilder struct {
+	statusCode *int
+	message    *string
+}
+
+func NewStatusMessage() *StatusMessageBuilder {
+	return &StatusMessageBuilder{}
+}
+
+func (sm *StatusMessageBuilder) StatusCode(statusCode int) *StatusMessageBuilder {
+	sm.statusCode = &statusCode
+	return sm
+}
+
+func (sm *StatusMessageBuilder) Message(message string) *StatusMessageBuilder {
+	sm.message = &message
+	return sm
+}
+
+func (sm *StatusMessageBuilder) Build() *StatusMessage {
+	return &StatusMessage{
+		StatusCode: sm.statusCode,
+		Message:    sm.message,
+	}
+}
+
+type StatusMessage struct {
+	StatusCode *int
+	Message    *string `json:"msg"`
+}
+
+func ErrorResponse(w http.ResponseWriter, statusMessage *StatusMessage) error {
+	if statusMessage.StatusCode == nil {
+		return fmt.Errorf("status code is missing")
+	}
+	if statusMessage.Message == nil {
+		return fmt.Errorf("message is missing")
+	}
+	w.Header().Add("Content-Type", "application/json")
+	w.WriteHeader(*statusMessage.StatusCode)
+
+	b, err := json.Marshal(statusMessage)
+	if err != nil {
+		return fmt.Errorf("failed to marshal JSON")
+	}
+	w.Write(b)
+	return nil
+}

internal/hub.go

@@ -1,9 +1,11 @@
 package internal
 
 import (
+	"fmt"
 	"log"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/gorilla/websocket"
 )
 
@@ -14,6 +16,7 @@ const (
 )
 
 type Client struct {
+	ID             string
 	Conn           *websocket.Conn
 	Send           chan []byte
 	SubscribedPath string
@@ -22,8 +25,9 @@ type Client struct {
 
 func NewClient(conn *websocket.Conn, subscribedPath string) *Client {
 	return &Client{
+		ID:             uuid.NewString(),
 		Conn:           conn,
-		Send:           make(chan []byte, 2),
+		Send:           make(chan []byte, 1),
 		SubscribedPath: subscribedPath,
 		done:           make(chan struct{}, 1),
 	}
@@ -41,7 +45,7 @@ func NewHub() *Hub {
 		Broadcast:  make(chan []byte, 1),
 		Register:   make(chan *Client, 1),
 		Unregister: make(chan *Client, 1),
-		Clients:    make(map[*Client]bool, 0),
+		Clients:    make(map[*Client]bool),
 	}
 }
 
@@ -53,19 +57,21 @@ func (h *Hub) Run() {
 				h.Clients[client] = true
 				log.Println("Client registered")
 			case c := <-h.Unregister:
-				if _, ok := h.Clients[c]; ok {
+				if v, ok := h.Clients[c]; ok {
+					fmt.Println(v, c)
 					delete(h.Clients, c)
 					close(c.Send)
 				}
 				log.Println("Client Unregistered")
 			case message := <-h.Broadcast:
 				for client := range h.Clients {
-					select {
-					case client.Send <- message:
-					default:
-						close(client.Send)
-						delete(h.Clients, client)
-					}
+					client.Send <- message
+					// select {
+					// case client.Send <- message:
+					// default:
+					// 	close(client.Send)
+					// 	delete(h.Clients, client)
+					// }
 				}
 			}
 		}
@@ -86,15 +92,18 @@ func WritePump(c *Client, h *Hub) {
 			c.Conn.SetWriteDeadline(time.Now().Add(writeWait))
 			if !ok {
 				c.Conn.WriteMessage(websocket.CloseMessage, []byte{})
+				fmt.Println(ok)
 				return
 			}
 
 			if err := c.Conn.WriteMessage(websocket.TextMessage, message); err != nil {
+				fmt.Println(err)
 				return
 			}
 		case <-pingTicker.C:
 			c.Conn.SetWriteDeadline(time.Now().Add(writeWait))
 			if err := c.Conn.WriteMessage(websocket.PingMessage, []byte{}); err != nil {
+				fmt.Println(err)
 				return
 			}
 		}
@@ -107,7 +116,7 @@ func ReadPump(c *Client, h *Hub) {
 		c.Conn.Close()
 	}()
 
-	c.Conn.SetReadLimit(512)
+	c.Conn.SetReadLimit(1024)
 	c.Conn.SetReadDeadline(time.Now().Add(pongWait))
 	c.Conn.SetPongHandler(func(string) error {
 		c.Conn.SetReadDeadline(time.Now().Add(pongWait))

v1/client/client.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"log"
+	"net/http"
 	"net/url"
 	"strings"
 	"time"
@@ -36,11 +37,13 @@ type Message struct {
 type SafeWebsocketClientBuilder struct {
 	baseHost         *string `nil_checker:"required"`
 	basePort         *uint16 `nil_checker:"required"`
+	headers          *map[string]string
 	path             *string
 	rawQuery         *string
 	isDrop           *bool
 	useTLS           *bool
 	channelSize      *int64
+	writeChannelSize *int64
 }
 
 func NewSafeWebsocketClientBuilder() *SafeWebsocketClientBuilder {
@@ -57,6 +60,11 @@ func (b *SafeWebsocketClientBuilder) BasePort(port uint16) *SafeWebsocketClientB
 	return b
 }
 
+func (b *SafeWebsocketClientBuilder) Headers(headers map[string]string) *SafeWebsocketClientBuilder {
+	b.headers = &headers
+	return b
+}
+
 func (b *SafeWebsocketClientBuilder) UseTLS(useTLS bool) *SafeWebsocketClientBuilder {
 	b.useTLS = &useTLS
 	return b
@@ -82,6 +90,11 @@ func (b *SafeWebsocketClientBuilder) ChannelSize(channelSize int64) *SafeWebsock
 	return b
 }
 
+func (b *SafeWebsocketClientBuilder) WriteChannelSize(writeChannelSize int64) *SafeWebsocketClientBuilder {
+	b.writeChannelSize = &writeChannelSize
+	return b
+}
+
 func (b *SafeWebsocketClientBuilder) Build(ctx context.Context) (*SafeWebsocketClient, error) {
 	if err := internal.NilChecker(b); err != nil {
 		return nil, err
@@ -103,9 +116,15 @@ func (b *SafeWebsocketClientBuilder) Build(ctx context.Context) (*SafeWebsocketC
 		b.channelSize = &channelSize
 	}
 
+	if b.writeChannelSize == nil {
+		writeChannelSize := int64(1)
+		b.writeChannelSize = &writeChannelSize
+	}
+
 	wsClient := SafeWebsocketClient{
 		baseHost:    *b.baseHost,
 		basePort:    *b.basePort,
+		headers:     b.headers,
 		useTLS:      *b.useTLS,
 		isDrop:      *b.isDrop,
 		path:        b.path,
@@ -116,7 +135,7 @@ func (b *SafeWebsocketClientBuilder) Build(ctx context.Context) (*SafeWebsocketC
 		reconnectCh: make(chan struct{}, 1),
 		isConnected: false,
 		doneMap:     safemap.NewSafeMap[string, chan struct{}](),
-		writeChan:   make(chan Message, 1),
+		writeChan:   make(chan Message, *b.writeChannelSize),
 	}
 
 	go wsClient.reconnectHandler()
@@ -131,6 +150,8 @@ func (b *SafeWebsocketClientBuilder) Build(ctx context.Context) (*SafeWebsocketC
 type SafeWebsocketClient struct {
 	baseHost string
 	basePort uint16
+	headers  *map[string]string
+
 	isDrop   bool
 	useTLS   bool
 	path     *string
@@ -171,7 +192,16 @@ func (wsClient *SafeWebsocketClient) connect() error {
 		newURL.RawQuery = *wsClient.rawQuery
 	}
 
-	conn, _, err := websocket.DefaultDialer.Dial(newURL.String(), nil)
+	header := make(http.Header)
+
+	if wsClient.headers != nil {
+		for k, v := range *wsClient.headers {
+			fmt.Println(k, v)
+			header.Set(k, v)
+		}
+	}
+
+	conn, _, err := websocket.DefaultDialer.Dial(newURL.String(), header)
 	if err != nil {
 		return fmt.Errorf("failed to connect to %s: %w", wsClient.baseHost, err)
 	}
@@ -193,19 +223,19 @@ func (wsClient *SafeWebsocketClient) connect() error {
 	go wsClient.writePump()
 	go wsClient.readPump()
 
-	conn.SetPingHandler(func(pingData string) error {
-		wsClient.writeChan <- Message{
-			MessageType: MessageTypePong,
-			Data:        []byte(pingData),
-		}
+	// conn.SetPingHandler(func(pingData string) error {
+	// 	wsClient.writeChan <- Message{
+	// 		MessageType: MessageTypePong,
+	// 		Data:        []byte(pingData),
+	// 	}
 
-		select {
-		case err := <-wsClient.pongChan:
-			return err
-		default:
-		}
-		return nil
-	})
+	// 	select {
+	// 	case err := <-wsClient.pongChan:
+	// 		return err
+	// 	default:
+	// 	}
+	// 	return nil
+	// })
 
 	return nil
 }
@@ -257,7 +287,6 @@ func (wsClient *SafeWebsocketClient) readPump() {
 		return nil
 	})
 
-	if wsClient.isDrop {
 	for {
 		select {
 		case <-ctx.Done():
@@ -289,46 +318,12 @@ func (wsClient *SafeWebsocketClient) readPump() {
 			case <-ctx.Done():
 				return
 			default:
+				if wsClient.isDrop {
 					log.Println("Data channel full, dropping message")
 				}
 			}
 		}
-	} else {
-		for {
-			select {
-			case <-ctx.Done():
-				log.Println("Reader canceled by context")
-				return
-			default:
-				if c == nil {
-					return
 	}
-
-				if err := c.SetReadDeadline(time.Now().Add(readDeadline)); err != nil {
-					log.Printf("error on read deadline: %v\n", err)
-					return
-				}
-
-				messageType, data, err := c.ReadMessage()
-				if err != nil {
-					log.Printf("error on read message: %v\n", err)
-					wsClient.triggerReconnect()
-					return
-				}
-
-				if messageType != websocket.TextMessage {
-					continue
-				}
-
-				select {
-				case wsClient.dataChannel <- data:
-				case <-ctx.Done():
-					return
-				}
-			}
-		}
-	}
-
 }
 
 func (wsClient *SafeWebsocketClient) startPingTicker(ctx context.Context) {
@@ -374,7 +369,6 @@ func (wsClient *SafeWebsocketClient) reconnectHandler() {
 			})
 
 			wsClient.isConnected = false
-			// time.Sleep(100 * time.Millisecond)
 
 			isInnerLoop := true
 			for isInnerLoop {

v1/examples/client/main.go

@@ -27,9 +27,11 @@ func main() {
 	wsClient, err := client.NewSafeWebsocketClientBuilder().
 		BaseHost("localhost").
 		BasePort(8080).
-		Path("/ws/test/data_1").
+		Headers(map[string]string{
+			"X-MBX-APIKEY": "abcd",
+		}).Path("/ws/test/data_1").
 		UseTLS(false).
-		ChannelSize(30).
+		ChannelSize(1).
 		Build(ctx)
 	if err != nil {
 		log.Fatal(err)
@@ -44,7 +46,7 @@ func main() {
 	dataChannel := wsClient.DataChannel()
 
 	for data := range dataChannel {
-		// _ = data
-		fmt.Println(string(data))
+		_ = data
+		// fmt.Println(string(data))
 	}
 }

v1/examples/gobwas-server/main.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"syscall"
+)
+
+func setMaxRLimit() {
+	var rLimit syscall.Rlimit
+	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
+		panic(err)
+	}
+	rLimit.Cur = rLimit.Max
+	if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
+		panic(err)
+	}
+}
+
+func main() {
+	setMaxRLimit()
+	// pooler, err := netpool.New()
+
+	// http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+	// 	if _, _, _, err := ws.UpgradeHTTP(r, w); err != nil {
+	// 		log.Fatal(err)
+	// 	}
+	// })
+	// epoller, err := MkEp
+}

v1/examples/server/main.go

@@ -17,6 +17,7 @@ func main() {
 	s, err := server.NewSafeWebsocketServerBuilder().
 		BaseHost("localhost").
 		BasePort(8080).
+		ApiKey("abcd").
 		HandleFuncWebsocket("/ws/test/", "data_1", func(c chan []byte) {
 			ticker := time.NewTicker(10 * time.Millisecond)
 			for range ticker.C {

v1/server/server.go

@@ -5,14 +5,27 @@ import (
 	"log"
 	"net/http"
 	"strings"
+	"syscall"
 
 	"git.neurocipta.com/rogerferdinan/safe-web-socket/internal"
 	"github.com/gorilla/websocket"
 )
 
+func setMaxRLimit() {
+	var rLimit syscall.Rlimit
+	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
+		panic(err)
+	}
+	rLimit.Cur = rLimit.Max
+	if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
+		panic(err)
+	}
+}
+
 type SafeWebsocketServerBuilder struct {
 	baseHost *string             `nil_checker:"required"`
 	basePort *uint16             `nil_checker:"required"`
+	apiKey   *string             `nil_checker:"required"`
 	upgrader *websocket.Upgrader `nil_checker:"required"`
 	mux      *http.ServeMux      `nil_checker:"required"`
 }
@@ -40,16 +53,17 @@ func (b *SafeWebsocketServerBuilder) BasePort(basePort uint16) *SafeWebsocketSer
 	return b
 }
 
-func (b *SafeWebsocketServerBuilder) HandleFunc(
-	pattern string, fn func(http.ResponseWriter, *http.Request),
-) *SafeWebsocketServerBuilder {
+func (b *SafeWebsocketServerBuilder) ApiKey(apiKey string) *SafeWebsocketServerBuilder {
+	b.apiKey = &apiKey
+	return b
+}
+
+func (b *SafeWebsocketServerBuilder) HandleFunc(pattern string, fn func(http.ResponseWriter, *http.Request)) *SafeWebsocketServerBuilder {
 	b.mux.HandleFunc(pattern, fn)
 	return b
 }
 
-func (b *SafeWebsocketServerBuilder) HandleFuncWebsocket(
-	pattern string, subscribedPath string, writeFunc func(chan []byte),
-) *SafeWebsocketServerBuilder {
+func (b *SafeWebsocketServerBuilder) HandleFuncWebsocket(pattern string, subscribedPath string, writeFunc func(chan []byte)) *SafeWebsocketServerBuilder {
 	h := internal.NewHub()
 	h.Run()
 
@@ -79,22 +93,36 @@ func (b *SafeWebsocketServerBuilder) Build() (*SafeWebsocketServer, error) {
 		return nil, err
 	}
 
+	setMaxRLimit()
 	safeServer := SafeWebsocketServer{
-		url: fmt.Sprintf("%s:%d", *b.baseHost, *b.basePort),
 		mux:    b.mux,
+		url:    fmt.Sprintf("%s:%d", *b.baseHost, *b.basePort),
+		apiKey: *b.apiKey,
 	}
 	return &safeServer, nil
 }
 
 type SafeWebsocketServer struct {
-	hub *internal.Hub
 	mux    *http.ServeMux
 	url    string
+	apiKey string
+}
+
+func (s *SafeWebsocketServer) AuthMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Header.Get("X-MBX-APIKEY") != s.apiKey {
+			internal.ErrorResponse(w, internal.NewStatusMessage().
+				StatusCode(http.StatusForbidden).
+				Message("X-MBX-APIKEY is missing").
+				Build())
+		}
+		next.ServeHTTP(w, r)
+	})
 }
 
 func (s *SafeWebsocketServer) ListenAndServe() error {
 	log.Printf("HTTP serve on %s\n", s.url)
-	if err := http.ListenAndServe(s.url, s.mux); err != nil {
+	if err := http.ListenAndServe(s.url, s.AuthMiddleware(s.mux)); err != nil {
 		return fmt.Errorf("failed to serve websocket: %w", err)
 	}
 	return nil