current song as server side event
continuous-integration/drone/push Build is failing
Details
continuous-integration/drone/push Build is failing
Details
parent
abdce361b5
commit
07743e46cd
@ -0,0 +1,56 @@
|
||||
package currentsong
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net/http"
|
||||
|
||||
"go.xsfx.dev/logginghandler"
|
||||
)
|
||||
|
||||
var recvs = make(map[chan string]struct{}) // nolint:gochecknoglobals
|
||||
|
||||
// Write writes current track to the receivers.
|
||||
func Write(track string) {
|
||||
for k := range recvs {
|
||||
k <- track
|
||||
}
|
||||
}
|
||||
|
||||
func Handler(w http.ResponseWriter, r *http.Request) {
|
||||
logger := logginghandler.Logger(r)
|
||||
logger.Debug().Msg("got a new receiver")
|
||||
|
||||
flusher, ok := w.(http.Flusher)
|
||||
if !ok {
|
||||
logger.Error().Msg("streaming unsupported")
|
||||
http.Error(w, "streaming unsupported", http.StatusInternalServerError)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
w.Header().Set("Content-Type", "text/event-stream")
|
||||
w.Header().Set("Cache-Control", "no-cache")
|
||||
w.Header().Set("Connection", "keep-alive")
|
||||
// TODO: has to be something else!
|
||||
w.Header().Set("Access-Control-Allow-Origin", "*")
|
||||
|
||||
cChan := make(chan string)
|
||||
|
||||
recvs[cChan] = struct{}{}
|
||||
|
||||
for {
|
||||
select {
|
||||
case e := <-cChan:
|
||||
// Send event to client.
|
||||
fmt.Fprintf(w, "data: %s\n\n", e)
|
||||
|
||||
// Send it right now and not buffering it.
|
||||
flusher.Flush()
|
||||
case <-r.Context().Done():
|
||||
close(cChan)
|
||||
delete(recvs, cChan)
|
||||
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue