51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
// websockets.go
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package main
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import (
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"fmt"
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"net/http"
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"log"
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"github.com/gorilla/websocket"
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)
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var upgrader = websocket.Upgrader{
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ReadBufferSize: 1024,
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WriteBufferSize: 1024,
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CheckOrigin: func(r *http.Request) bool {
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return true
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},
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}
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func main() {
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http.HandleFunc("/echo", func(w http.ResponseWriter, r *http.Request) {
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conn, err := upgrader.Upgrade(w, r, nil) // error ignored for sake of simplicity
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if err != nil {
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log.Println(err)
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return
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}
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for {
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// Read message from browser
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msgType, msg, err := conn.ReadMessage()
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if err != nil {
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return
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}
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// Print the message to the console
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fmt.Printf("%s sent: %s\n", conn.RemoteAddr(), string(msg))
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// Write message back to browser
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if err = conn.WriteMessage(msgType, msg); err != nil {
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return
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}
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}
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})
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "websockets.html")
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})
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http.ListenAndServe(":8080", nil)
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}
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