50 lines
890 B
Go
Executable File
50 lines
890 B
Go
Executable File
package main
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import (
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"context"
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"log"
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"os"
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"os/signal"
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"syscall"
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"net/http"
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)
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func main() {
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cleanup()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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go func() {
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sigch := make(chan os.Signal, 1)
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defer signal.Stop(sigch)
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signal.Notify(sigch, syscall.SIGINT, syscall.SIGTERM)
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select {
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case sig := <-sigch:
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log.Println(sig, "- cleaning up")
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case <-ctx.Done():
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}
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cancel()
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}()
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buffer := &dataBuffer{
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queue: make([]string, 0, maxQueuedLines),
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}
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ch := make(chan string)
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go dwarfFortress(ctx, buffer, ch)
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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select {
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case <-r.Context().Done():
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// Client went away before a message was available.
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case line := <-ch:
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// Abuse http.Error to just write a textual response.
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http.Error(w, line, http.StatusOK)
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}
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})
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http.ListenAndServe(":1556", nil)
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} |