[proxy]修改统计中日志扩展信息可能为nil的问题

Author: iwind

teastats/browser_all_period.go

@@ -43,6 +43,9 @@ func (this *BrowserAllPeriodFilter) Start(queue *Queue, code string) {
 }
 
 func (this *BrowserAllPeriodFilter) Filter(accessLog *accesslogs.AccessLog) {
+	if accessLog.Extend == nil {
+		return
+	}
 	if len(accessLog.Extend.Client.Browser.Family) == 0 {
 		return
 	}

teastats/city_all_period.go

@@ -43,6 +43,9 @@ func (this *CityAllPeriodFilter) Start(queue *Queue, code string) {
 }
 
 func (this *CityAllPeriodFilter) Filter(accessLog *accesslogs.AccessLog) {
+	if accessLog.Extend == nil {
+		return
+	}
 	if len(accessLog.Extend.Geo.City) == 0 {
 		return
 	}

teastats/device_all_period.go

@@ -43,6 +43,9 @@ func (this *DeviceAllPeriodFilter) Start(queue *Queue, code string) {
 }
 
 func (this *DeviceAllPeriodFilter) Filter(accessLog *accesslogs.AccessLog) {
+	if accessLog.Extend == nil {
+		return
+	}
 	if len(accessLog.Extend.Client.Device.Family) == 0 {
 		return
 	}

teastats/os_all_period.go

@@ -43,6 +43,9 @@ func (this *OSAllPeriodFilter) Start(queue *Queue, code string) {
 }
 
 func (this *OSAllPeriodFilter) Filter(accessLog *accesslogs.AccessLog) {
+	if accessLog.Extend == nil {
+		return
+	}
 	if len(accessLog.Extend.Client.OS.Family) == 0 {
 		return
 	}

teastats/province_all_period.go

@@ -43,6 +43,9 @@ func (this *ProvinceAllPeriodFilter) Start(queue *Queue, code string) {
 }
 
 func (this *ProvinceAllPeriodFilter) Filter(accessLog *accesslogs.AccessLog) {
+	if accessLog.Extend == nil {
+		return
+	}
 	if len(accessLog.Extend.Geo.State) == 0 {
 		return
 	}

teastats/region_all_period.go

@@ -43,6 +43,9 @@ func (this *RegionAllPeriodFilter) Start(queue *Queue, code string) {
 }
 
 func (this *RegionAllPeriodFilter) Filter(accessLog *accesslogs.AccessLog) {
+	if accessLog.Extend == nil {
+		return
+	}
 	if len(accessLog.Extend.Geo.Region) == 0 {
 		return
 	}