48 lines
916 B
Go
48 lines
916 B
Go
package main
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import (
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"log"
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"net/http"
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"sync"
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"github.com/gorilla/websocket"
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)
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type webSocketHandler struct {
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upgrader websocket.Upgrader
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}
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// GLOBALS
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var connections int = 0
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var wg sync.WaitGroup
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func (wsh webSocketHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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//upgrade http connection to websocket
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connection, err := wsh.upgrader.Upgrade(w, r, nil)
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if err != nil {
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log.Printf("Error while upgrading connection to websocket: %s", err)
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return
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}
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connections++
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log.Printf("New websocket connection. There are now %v\n", connections)
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wg.Add(1)
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go func() {
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for {
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}
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}()
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defer connection.Close()
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}
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func main() {
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webSocketHandler := webSocketHandler{
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upgrader: websocket.Upgrader{},
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}
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var port string = "8080"
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http.Handle("/", webSocketHandler)
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wg.Add(1)
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log.Printf("listening on port %s...\n", port)
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log.Fatal(http.ListenAndServe("localhost:8080", nil))
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wg.Wait()
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}
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