62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package khatru
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import (
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"context"
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"net"
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"net/http"
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"strconv"
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"time"
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"github.com/fasthttp/websocket"
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"github.com/rs/cors"
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)
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func (rl *Relay) Router() *http.ServeMux {
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return rl.serveMux
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}
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// Start creates an http server and starts listening on given host and port.
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func (rl *Relay) Start(host string, port int, started ...chan bool) error {
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addr := net.JoinHostPort(host, strconv.Itoa(port))
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ln, err := net.Listen("tcp", addr)
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if err != nil {
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return err
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}
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rl.Addr = ln.Addr().String()
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rl.httpServer = &http.Server{
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Handler: cors.Default().Handler(rl),
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Addr: addr,
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WriteTimeout: 2 * time.Second,
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ReadTimeout: 2 * time.Second,
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IdleTimeout: 30 * time.Second,
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}
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// notify caller that we're starting
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for _, started := range started {
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close(started)
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}
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if err := rl.httpServer.Serve(ln); err == http.ErrServerClosed {
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return nil
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} else if err != nil {
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return err
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} else {
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return nil
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}
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}
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// Shutdown sends a websocket close control message to all connected clients.
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func (rl *Relay) Shutdown(ctx context.Context) {
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rl.httpServer.Shutdown(ctx)
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rl.clientsMutex.Lock()
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defer rl.clientsMutex.Unlock()
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for ws := range rl.clients {
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ws.conn.WriteControl(websocket.CloseMessage, nil, time.Now().Add(time.Second))
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ws.cancel()
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ws.conn.Close()
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}
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clear(rl.clients)
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rl.listeners = rl.listeners[:0]
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}
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