func NewpushRawDatabaseCache(c *DatabaseConfig,
dbreader pushRawDatabaseReader,
dbwriter pushRawDatabaseWriter) (*pushRawDatabaseCache, error) {
cacheSize := 1024
flushPeriod := 600
leastDirty := 128
if c != nil {
cacheSize = c.CacheSize
flushPeriod = int(c.EverySec)
leastDirty = c.LeastDirty
}
cdb := new(pushRawDatabaseCache)
cdb.dbreader = dbreader
cdb.dbwriter = dbwriter
pspflusher := &pspFlusher{cdb: cdb}
dpflusher := &dpFlusher{cdb: cdb}
cdb.pspCache = cache.New(cacheSize, leastDirty, time.Duration(flushPeriod)*time.Second, pspflusher)
cdb.dpCache = cache.New(cacheSize, leastDirty, time.Duration(flushPeriod)*time.Second, dpflusher)
// We will flush them manually
cdb.srvSub2Dp = cache.New(cacheSize, -1, time.Duration(0)*time.Second, nil)
cdb.srv2Psp = cache.New(cacheSize, -1, time.Duration(0)*time.Second, nil)
return cdb, nil
}
func Test_UpdateTTL(t *testing.T) {
c := cache.New("var")
_, err := c.UpdateTTL("key999", 20000)
assert.Nil(t, err, "no error")
c.CloseConnection()
}
func Test_GetData(t *testing.T) {
c := cache.New("var")
x, err := c.GetData("key999")
assert.Nil(t, err, "no error")
assert.Equal(t, "value999", x)
c.CloseConnection()
}
func Test_SetData(t *testing.T) {
c := cache.New("var")
for i := 0; i < 1000; i++ {
key_str := fmt.Sprint("key", i)
val_str := fmt.Sprint("value", i)
err := c.SetData(key_str, val_str, 1000000)
assert.Nil(t, err, "Hope we don't have a error")
}
c.CloseConnection()
}
func main() {
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
addr := ""
cs := NewTcpServer(addr)
//default expiration time is 5 minites, cleanup time 30 seconds
c := cache.New(5*time.Minute, 30*time.Second)
if ok, _ := cs.Start(c); ok != 0 {
log.Println("go-cache started failed")
os.Exit(1)
}
log.Println("go-cache started and listening on 9891")
<-signalChan
fmt.Println("receive signalChan")
cs.Stop()
os.Exit(0)
}
func Test_DeleteData(t *testing.T) {
c := cache.New("var")
err := c.DeleteData("key999")
assert.Nil(t, err, "no error")
c.CloseConnection()
}
Next int64
HavePrevious bool
HaveNext bool
Filtered []*story.Story
Unfiltered []*story.Story
}
type UserProfile struct {
Interesting WordCounts
Uninteresting WordCounts
}
var stories = newFifo(MaxStories)
// Sessions are held in the DB and are cached in memory
var sessions = cache.New(1024, 5*time.Minute, readSession, saveSession)
var storyCh = make(chan []*story.Story)
var readCh = make(chan userStory, 8)
// Add stories so that they are available to all users
func AddStories(s []*story.Story) {
storyCh <- s
}
// Mark a story as read
func MarkRead(w http.ResponseWriter, req *http.Request, storyid int64) {
sessid, ok := sessionCookie(w, req)
if ok {
readCh <- userStory{sessionid: sessid, storyid: storyid}