go-websocket-client.go

package main

import (
	"log"

	"github.com/gorilla/websocket"
)

type Message struct {
	Action string      `json:"action"`
	Data   interface{} `json:"data,omitempty"`
}

func main() {
	conn, _, err := websocket.DefaultDialer.Dial("ws://localhost:10001/ws", nil)
	if err != nil {
		log.Fatal("dial: ", err)
	}

	defer conn.Close()

	msg := Message{"connect", "hello"}
	conn.WriteJSON(msg)

	var rst Message
	conn.ReadJSON(&rst)
	log.Printf("recv: %s", rst)
}