func main() {
pflag.Usage = func() {
fmt.Printf(`usage: tuplespaced [flags]
Run tuplespace server.
Flags:
`)
pflag.PrintDefaults()
}
pflag.Parse()
runtime.GOMAXPROCS(*ncpuFlag)
log.AddFilter("stdout", logLevels[*logLevelFlag], log.NewConsoleLogWriter())
debug := logLevels[*logLevelFlag] <= log.DEBUG
log.Info("Starting server on http://%s/tuplespace/", *bindFlag)
ts := tuplespace.NewTupleSpace(store.NewMemoryStore())
srv := &http.Server{
Addr: *bindFlag,
Handler: makeService(ts, debug),
ReadTimeout: *readTimeoutFlag,
WriteTimeout: *writeTimeoutFlag,
}
err := srv.ListenAndServe()
if err != nil {
fatalf("error: %s\n", err)
}
}
func TestTupleSpaceTake(t *testing.T) {
ts := tuplespace.NewTupleSpace(store.NewMemoryStore())
defer ts.Shutdown()
ts.Send(tuplespace.Tuple{"cmd": "uname -a"}, 0)
ts.Send(tuplespace.Tuple{"cmd": "uptime"}, 0)
_, err := ts.Take(tuplespace.MustMatch(`cmd != nil`), time.Second)
assert.NoError(t, err)
assert.Equal(t, ts.Stats().Tuples, 1)
}
func TestTupleSpaceReadAll(t *testing.T) {
ts := tuplespace.NewTupleSpace(store.NewMemoryStore())
defer ts.Shutdown()
ts.Send(tuplespace.Tuple{"cmd": "uname -a"}, 0)
ts.Send(tuplespace.Tuple{"cmd": "uptime"}, 0)
time.Sleep(time.Millisecond * 100)
tuples, err := ts.ReadAll(tuplespace.MustMatch(`cmd != nil`), time.Second)
assert.NoError(t, err)
assert.Equal(t, tuples, []tuplespace.Tuple{tuplespace.Tuple{"cmd": "uname -a"}, tuplespace.Tuple{"cmd": "uptime"}})
assert.Equal(t, ts.Stats().Tuples, 2)
}
func TestTupleSpaceProcessNewEntriesAlwaysRespondsToReaders(t *testing.T) {
rts := tuplespace.NewRawTupleSpace(store.NewMemoryStore())
take := rts.ReadOperation(tuplespace.MustMatch("cmd"), 0, tuplespace.ActionOne|tuplespace.ActionTake)
read := rts.ReadOperation(tuplespace.MustMatch("cmd"), 0, tuplespace.ActionOne)
go func() {
time.Sleep(time.Second * 1)
take.Cancel()
read.Cancel()
}()
tuples := []tuplespace.Tuple{tuplespace.Tuple{"cmd": "uname -a"}}
expected := []tuplespace.Tuple{tuplespace.Tuple{"cmd": "uname -a"}}
assert.NoError(t, rts.ProcessNewEntries(tuples, time.Now()))
assert.Equal(t, <-take.Get(), expected)
assert.Equal(t, <-read.Get(), expected)
}
func BuildMemoryStore(dir string) tuplespace.TupleStore {
return store.NewMemoryStore()
}