Initial Websocket service

go.mod

@@ -1,3 +1,5 @@
 module example/hello
 
 go 1.24.11
+
+require github.com/gorilla/websocket v1.5.3 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=

main.go

@@ -1,7 +1,71 @@
 package main
 
-import "fmt"
+import (
+	"fmt"
+	"log"
+	"net/http"
+
+	"github.com/gorilla/websocket"
+)
+
+// HTTP endpoint example
+func homePage(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "Home Page")
+}
+
+// We'll need to define an Upgrader
+// this will require a Read and Write buffer size
+var upgrader = websocket.Upgrader{
+	ReadBufferSize:  1024,
+	WriteBufferSize: 1024,
+}
+
+// define a reader which will listen for
+// new messages being sent to our WebSocket
+// endpoint
+func reader(conn *websocket.Conn) {
+	for {
+		// read in a message
+		messageType, p, err := conn.ReadMessage()
+		if err != nil {
+			log.Println(err)
+			return
+		}
+		// print out that message for clarity
+		fmt.Println(string(p))
+
+		if err := conn.WriteMessage(messageType, p); err != nil {
+			log.Println(err)
+			return
+		}
+
+	}
+}
+
+func wsEndpoint(w http.ResponseWriter, r *http.Request) {
+	upgrader.CheckOrigin = func(r *http.Request) bool { return true }
+
+	// upgrade this connection to a WebSocket
+	// connection
+	ws, err := upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		log.Println(err)
+	}
+
+	// helpful log statement to show connections
+	log.Println("Client Connected")
+	err = ws.WriteMessage(1, []byte("Connected"))
+
+	reader(ws)
+}
+
+func setupRoutes() {
+	http.HandleFunc("/", homePage)
+	http.HandleFunc("/ws", wsEndpoint)
+}
 
 func main() {
-	fmt.Println("Hello, World!")
+	fmt.Println("Starting up")
+	setupRoutes()
+	log.Fatal(http.ListenAndServe(":8080", nil))
 }