func ExampleStack() {
// Associate a session ID with each session
var sessionID int64
sessionid := styx.HandlerFunc(func(s *styx.Session) {
id := atomic.AddInt64(&sessionID, 1)
for s.Next() {
req := s.Request()
ctx := context.WithValue(req.Context(), "session", id)
s.UpdateRequest(req.WithContext(ctx))
}
})
// echo requests to stdout
echo := styx.HandlerFunc(func(s *styx.Session) {
for s.Next() {
req := s.Request()
id := req.Context().Value("session")
fmt.Printf("session %v user %q %q %T %s",
id, s.User, s.Access, req, req.Path())
}
})
// Disallow removal of any files
blockops := styx.HandlerFunc(func(s *styx.Session) {
for s.Next() {
if t, ok := s.Request().(styx.Tremove); ok {
t.Rerror("permission denied")
}
}
})
handler := styx.Stack(sessionid, echo, blockops)
styx.ListenAndServe(":564", handler)
}
func Example() {
// Run a file server that creates directories (and only directories)
// on-demand, as a client walks to them.
h := styx.HandlerFunc(func(s *styx.Session) {
for s.Next() {
switch t := s.Request().(type) {
case styx.Tstat:
t.Rstat(emptyDir{}, nil)
case styx.Twalk:
t.Rwalk(emptyDir{}, nil)
case styx.Topen:
t.Ropen(emptyDir{}, nil)
}
}
})
log.Fatal(styx.ListenAndServe(":564", h))
}