Created
August 17, 2023 05:09
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Simplest golang websocket chat server
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package main | |
import ( | |
"log" | |
"net/http" | |
"github.com/gorilla/websocket" | |
) | |
func main() { | |
var upgrader = websocket.Upgrader{} | |
var clients = make([]*websocket.Conn, 0) | |
http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) { | |
ws, _ := upgrader.Upgrade(w, r, nil) | |
clients = append(clients, ws) | |
go func() { | |
for { | |
_, msg, err := ws.ReadMessage() | |
if err != nil { | |
log.Println(err) | |
ws.Close() | |
return | |
} | |
for _, c := range clients { | |
if c == ws { | |
continue | |
} | |
c.WriteMessage(websocket.TextMessage, msg) | |
} | |
} | |
}() | |
}) | |
http.ListenAndServe(":8000", nil) | |
} |
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