Martino Ferrari
47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
package main
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import (
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"embed"
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"flag"
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"fmt"
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"io/fs"
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"log"
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"net/http"
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)
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// version is set at build time via -ldflags "-X main.version=..."
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var version = "dev"
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//go:embed static
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var staticFiles embed.FS
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func main() {
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streamerAddr := flag.String("streamer", "127.0.0.1:44500", "MARTe2 UDP streamer address (host:port)")
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listenAddr := flag.String("listen", ":8080", "HTTP listen address")
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clientPort := flag.Int("clientport", 44900, "Local UDP port to bind for streamer data")
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flag.Parse()
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hub := NewHub()
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go hub.Run()
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udpClient := NewUDPClient(*streamerAddr, *clientPort, hub)
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go udpClient.Run()
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// Serve the embedded static/ directory (index.html, style.css, app.js).
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sub, err := fs.Sub(staticFiles, "static")
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if err != nil {
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log.Fatalf("static sub-fs: %v", err)
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}
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http.Handle("/", http.FileServer(http.FS(sub)))
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http.HandleFunc("/ws", hub.HandleWebSocket)
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http.HandleFunc("/version", func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprint(w, version)
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})
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log.Printf("WebUI listening on %s (streamer=%s, local UDP port=%d, version=%s)",
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*listenAddr, *streamerAddr, *clientPort, version)
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if err := http.ListenAndServe(*listenAddr, nil); err != nil {
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log.Fatalf("http: %v", err)
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}
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}
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