Imp: enlarge time wheel span from 2m to 15m

client.go

@@ -24,9 +24,9 @@ import (
 
 import (
 	"github.com/dubbogo/gost/bytes"
+	"github.com/dubbogo/gost/net"
 	"github.com/gorilla/websocket"
 	perrors "github.com/pkg/errors"
-	"github.com/dubbogo/gost/net"
 )
 
 const (

server.go

@@ -23,9 +23,9 @@ import (
 )
 
 import (
+	"github.com/dubbogo/gost/net"
 	"github.com/gorilla/websocket"
 	perrors "github.com/pkg/errors"
-	"github.com/dubbogo/gost/net"
 )
 
 var (

session.go

@@ -30,12 +30,14 @@ import (
 )
 
 const (
-	maxReadBufLen         = 4 * 1024
-	netIOTimeout          = 1e9      // 1s
-	period                = 60 * 1e9 // 1 minute
-	pendingDuration       = 3e9
-	defaultQLen           = 1024
-	maxIovecNum           = 10
+	maxReadBufLen    = 4 * 1024
+	netIOTimeout     = 1e9      // 1s
+	period           = 60 * 1e9 // 1 minute
+	pendingDuration  = 3e9
+	defaultQLen      = 1024
+	maxIovecNum      = 10
+	MaxWheelTimeSpan = 900e9 // 900s, 15 minute
+
 	defaultSessionName    = "session"
 	defaultTCPSessionName = "tcp-session"
 	defaultUDPSessionName = "udp-session"
@@ -49,9 +51,15 @@ const (
 /////////////////////////////////////////
 
 var (
-	wheel = gxtime.NewWheel(gxtime.TimeMillisecondDuration(100), 1200) // wheel longest span is 2 minute
+	wheel *gxtime.Wheel
 )
 
+func init() {
+	span := 100e6 // 100ms
+	buckets := MaxWheelTimeSpan / span
+	wheel = gxtime.NewWheel(time.Duration(span), int(buckets)) // wheel longest span is 15 minute
+}
+
 func GetTimeWheel() *gxtime.Wheel {
 	return wheel
 }