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@@ -1,7 +1,10 @@
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package main
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import (
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+ "fmt"
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"net/http"
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+ "os"
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+ "strconv"
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"time"
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"git.lattuga.net/boyska/circolog"
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@@ -21,9 +24,45 @@ func getHTTPHandler(hub circolog.Hub) http.HandlerFunc {
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Nofollow: true}
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hub.Register <- client
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+ err := r.ParseForm()
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+ if err != nil {
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+ fmt.Fprintln(os.Stderr, "error parsing http request", err)
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+ }
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+ // Looking for known parameter in the request
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+ // TODO: write specialized function
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+ var requestMessageLen int
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+ if reqL, ok := r.Form["l"]; ok {
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+ var err error
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+ switch {
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+ case len(reqL) == 1:
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+ requestMessageLen, err = strconv.Atoi(reqL[0])
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+ if requestMessageLen <= 0 {
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+ fmt.Fprintln(os.Stderr, "malformed request, l non positive:", requestMessageLen)
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+ //requestMessageLen := 0
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+ }
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+ if err != nil {
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+ fmt.Fprintln(os.Stderr, "malformed request on parameter l:", err)
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+ }
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+ case len(reqL) > 1:
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+ requestMessageLen, err = strconv.Atoi(reqL[len(reqL)-1])
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+ fmt.Fprintln(os.Stderr, "multiple values of l parameter, taking last:",
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+ requestMessageLen)
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+ if err != nil {
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+ fmt.Fprintln(os.Stderr, "malformed request on parameter l:", err)
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+ }
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+ default:
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+ fmt.Fprintln(os.Stderr, "empty parameter l in request")
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+ }
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+ }
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+
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+ i := 1
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for x := range client.Messages {
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w.Write([]byte(circolog.FormatSyslog(x)))
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w.Write([]byte("\n"))
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+ if requestMessageLen != 0 && i >= requestMessageLen {
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+ break
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+ }
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+ i++
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}
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}
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}
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