func serve(conn net.Conn, t lotf.Tail, errch chan<- error) {
defer conn.Close()
for s := t.WaitNext(); s != nil; s = t.WaitNext() {
b := []byte(fmt.Sprintf("%s\n", *s))
if n, err := conn.Write(b); err != nil {
glog.Errorf("write error to [%s]: %s", conn.RemoteAddr(), err)
break
} else if n != len(b) {
glog.Infof("could not write at once, writing: %d, written: %d", len(b), n)
}
}
}
func makeJsonRC(t lotf.Tail) *JsonRC {
l := list.New()
for {
if s := t.Next(); s == nil {
break
} else {
l.PushBack(s)
}
}
lines := make([]string, l.Len())
i := 0
for e := l.Front(); e != nil; e = e.Next() {
lines[i] = *(e.Value.(*string))
i++
}
m := &JsonRC{Lines: lines, Error: ""}
return m
}
func handleFirst(w http.ResponseWriter, r *http.Request, tail lotf.Tail, name string) {
uuid, err := cookies.Add(tail.Clone())
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
http.SetCookie(w, &http.Cookie{
Name: COOKIE_NAME,
Value: uuid,
Path: cfg.root,
})
rc := &TemplateRC{
Title: fmt.Sprintf("%s", tail),
JsonPath: r.URL.Path + NEXT_SUFFIX,
Expire: cfg.interval * 1000 / 2,
}
if err := templates[name].ExecuteTemplate(w, cfg.lotfs[name].template, rc); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}