@ohos.net.statistics (Traffic Management)

The statistics module provides APIs to query real-time or historical data traffic by the specified network interface card (NIC) or user ID (UID).

NOTE The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.

Modules to Import

import statistics from "@ohos.net.statistics";

statistics.getIfaceRxBytes¹⁰⁺

getIfaceRxBytes(nic: string, callback: AsyncCallback<number>): void;

Obtains the real-time downlink data traffic of the specified NIC. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
nic	string	Yes	NIC name.
callback	AsyncCallback<number>	Yes	Callback used to return the result. If the operation is successful, error is undefined and stats is the real-time downlink data traffic of the NIC in bytes. Otherwise, error is an error object.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
401	Parameter error.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.
2103012	Get iface name failed.

Example

import { BusinessError } from '@ohos.base';
import statistics from '@ohos.net.statistics';

statistics.getIfaceRxBytes("wlan0", (error: BusinessError, stats: number) => {
  console.log(JSON.stringify(error));
  console.log(JSON.stringify(stats));
});

statistics.getIfaceRxBytes¹⁰⁺

getIfaceRxBytes(nic: string): Promise<number>;

Obtains the real-time downlink data traffic of the specified NIC. This API uses a promise to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
nic	string	Yes	NIC name.

Return value

Type	Description
Promise<number>	Promise used to return the result, which is the real-time downlink data traffic of the NIC in bytes.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
401	Parameter error.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.
2103012	Get iface name failed.

Example

import statistics from '@ohos.net.statistics';

statistics.getIfaceRxBytes("wlan0").then((stats: number) => {
  console.log(JSON.stringify(stats));
});

statistics.getIfaceTxBytes¹⁰⁺

getIfaceTxBytes(nic: string, callback: AsyncCallback<number>): void;

Obtains the real-time uplink data traffic of the specified NIC. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
nic	string	Yes	NIC name.
callback	AsyncCallback<number>	Yes	Callback used to return the result. If the operation is successful, error is undefined and stats is the real-time uplink data traffic of the NIC in bytes. Otherwise, error is an error object.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
401	Parameter error.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.
2103012	Get iface name failed.

Example

import { BusinessError } from '@ohos.base';
import statistics from '@ohos.net.statistics';

statistics.getIfaceTxBytes("wlan0", (error: BusinessError, stats: number) => {
  console.log(JSON.stringify(error));
  console.log(JSON.stringify(stats));
});

statistics.getIfaceTxBytes¹⁰⁺

getIfaceTxBytes(nic: string): Promise<number>;

Obtains the real-time uplink data traffic of the specified NIC. This API uses a promise to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
nic	string	Yes	NIC name.

Return value

Type	Description
Promise<number>	Promise used to return the result, which is the real-time uplink data traffic of the NIC in bytes.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
401	Parameter error.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.
2103012	Get iface name failed.

Example

import statistics from '@ohos.net.statistics';

statistics.getIfaceTxBytes("wlan0").then((stats: number) => {
  console.log(JSON.stringify(stats));
});

statistics.getCellularRxBytes¹⁰⁺

getCellularRxBytes(callback: AsyncCallback<number>): void;

Obtains the real-time downlink data traffic of a cellular network. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
callback	AsyncCallback<number>	Yes	Callback used to return the result. If the operation is successful, error is undefined and stats is the real-time downlink data traffic of the cellular network in bytes. Otherwise, error is an error object.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.
2103012	Get iface name failed.

Example

import { BusinessError } from '@ohos.base';
import statistics from '@ohos.net.statistics';

statistics.getCellularRxBytes((error: BusinessError, stats: number) => {
  console.log(JSON.stringify(error));
  console.log(JSON.stringify(stats));
});

statistics.getCellularRxBytes¹⁰⁺

getCellularRxBytes(): Promise<number>;

Obtains the real-time downlink data traffic of a cellular network. This API uses a promise to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Return value

Type	Description
Promise<number>	Promise used to return the result, which is the real-time downlink data traffic of the cellular network in bytes.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.
2103012	Get iface name failed.

Example

import statistics from '@ohos.net.statistics';

statistics.getCellularRxBytes().then((stats: number) => {
  console.log(JSON.stringify(stats));
});

statistics.getCellularTxBytes¹⁰⁺

getCellularTxBytes(callback: AsyncCallback<number>): void;

Obtains the real-time uplink data traffic of a cellular network. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
callback	AsyncCallback<number>	Yes	Callback used to return the result. If the operation is successful, error is undefined and stats is the real-time uplink data traffic of the cellular network in bytes. Otherwise, error is an error object.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.
2103012	Get iface name failed.

Example

import { BusinessError } from '@ohos.base';
import statistics from '@ohos.net.statistics';

statistics.getCellularTxBytes((error: BusinessError, stats: number) => {
  console.log(JSON.stringify(error));
  console.log(JSON.stringify(stats));
});

statistics.getCellularTxBytes¹⁰⁺

getCellularTxBytes(): Promise<number>;

Obtains the real-time uplink data traffic of a cellular network. This API uses a promise to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Return value

Type	Description
Promise<number>	Promise used to return the result, which is the real-time uplink data traffic of the cellular network in bytes.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.
2103012	Get iface name failed.

Example

import statistics from '@ohos.net.statistics';

statistics.getCellularTxBytes().then((stats: number) => {
  console.log(JSON.stringify(stats));
});

statistics.getAllRxBytes¹⁰⁺

getAllRxBytes(callback: AsyncCallback<number>): void;

Obtains the real-time downlink data traffic of all NICs. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
callback	AsyncCallback<number>	Yes	Callback used to return the result. If the operation is successful, error is undefined and stats is the real-time downlink data traffic of all NICs in bytes. Otherwise, error is an error object.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.

Example

import statistics from '@ohos.net.statistics';
import { BusinessError } from '@ohos.base';

statistics.getAllRxBytes((error: BusinessError, stats: number) => {
  console.log(JSON.stringify(error));
  console.log(JSON.stringify(stats));
});

statistics.getAllRxBytes¹⁰⁺

getAllRxBytes(): Promise<number>;

Obtains the real-time downlink data traffic of all NICs. This API uses a promise to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Return value

Type	Description
Promise<number>	Promise used to return the result, which is the real-time downlink data traffic of all NICs in bytes.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.

Example

import statistics from '@ohos.net.statistics';

statistics.getCellularRxBytes().then((stats: number) => {
  console.log(JSON.stringify(stats));
});

statistics.getAllTxBytes¹⁰⁺

getAllTxBytes(callback: AsyncCallback<number>): void;

Obtains the real-time uplink data traffic of all NICs. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
callback	AsyncCallback<number>	Yes	Callback used to return the result. If the operation is successful, error is undefined and stats is the real-time uplink data traffic of all NICs in bytes. Otherwise, error is an error object.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.

Example

import { BusinessError } from '@ohos.base';
import statistics from '@ohos.net.statistics';

statistics.getAllTxBytes((error: BusinessError, stats: number) => {
  console.log(JSON.stringify(error));
  console.log(JSON.stringify(stats));
});

statistics.getAllTxBytes¹⁰⁺

getAllTxBytes(): Promise<number>;

Obtains the real-time uplink data traffic of all NICs. This API uses a promise to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Return value

Type	Description
Promise<number>	Promise used to return the result, which is the real-time uplink data traffic of all NICs in bytes.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.

Example

import statistics from '@ohos.net.statistics';

statistics.getAllTxBytes().then((stats: number) => {
  console.log(JSON.stringify(stats));
});

statistics.getUidRxBytes¹⁰⁺

getUidRxBytes(uid: number, callback: AsyncCallback<number>): void;

Obtains the real-time downlink data traffic of the specified application. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
uid	number	Yes	Application UID.
callback	AsyncCallback<number>	Yes	Callback used to return the result. If the operation is successful, error is undefined and stats is the real-time downlink data traffic of the application in bytes. Otherwise, error is an error object.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
401	Parameter error.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.

Example

import { BusinessError } from '@ohos.base';
import statistics from '@ohos.net.statistics';

statistics.getUidRxBytes(20010038, (error: BusinessError, stats: number) => {
  console.log(JSON.stringify(error));
  console.log(JSON.stringify(stats));
});

statistics.getUidRxBytes¹⁰⁺

getUidRxBytes(uid: number): Promise<number>;

Obtains the real-time downlink data traffic of the specified application. This API uses a promise to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
uid	number	Yes	Application UID.

Return value

Type	Description
Promise<number>	Promise used to return the result, which is the real-time downlink data traffic of the application in bytes.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
401	Parameter error.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.

Example

import statistics from '@ohos.net.statistics';

statistics.getUidRxBytes(20010038).then((stats: number) => {
  console.log(JSON.stringify(stats));
});

statistics.getUidTxBytes¹⁰⁺

getUidTxBytes(uid: number, callback: AsyncCallback<number>): void;

Obtains the real-time uplink data traffic of the specified application. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
uid	number	Yes	Application UID.
callback	AsyncCallback<number>	Yes	Callback used to return the result. If the operation is successful, error is undefined and stats is the real-time uplink data traffic of the application in bytes. Otherwise, error is an error object.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
401	Parameter error.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.

Example

import { BusinessError } from '@ohos.base';
import statistics from '@ohos.net.statistics';

statistics.getUidTxBytes(20010038, (error: BusinessError, stats: number) => {
  console.log(JSON.stringify(error));
  console.log(JSON.stringify(stats));
});

statistics.getUidTxBytes¹⁰⁺

getUidTxBytes(uid: number): Promise<number>;

Obtains the real-time uplink data traffic of the specified application. This API uses a promise to return the result.

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
uid	number	Yes	Application UID.

Return value

Type	Description
Promise<number>	Promise used to return the result, which is the real-time uplink data traffic of the application in bytes.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
401	Parameter error.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103005	Failed to read map.
2103011	Failed to create map.

Example

import statistics from '@ohos.net.statistics';

statistics.getUidTxBytes(20010038).then((stats: number) => {
  console.log(JSON.stringify(stats));
});

statistics.on('netStatsChange')¹⁰⁺

on(type: 'netStatsChange', callback: Callback<{ iface: string, uid?: number }>): void

Subscribes to traffic change events.

System API: This is a system API.

Required permissions: ohos.permission.GET_NETWORK_STATS

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
type	string	Yes	Event type. This field has a fixed value of netStatsChange.
callback	Callback<{ iface: string, uid?: number }>	Yes	Callback invoked when the traffic changes. iface: NIC name. uid: application UID.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
201	Permission denied.
202	Non-system applications use system APIs.
401	Parameter error.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.

Example

import statistics from '@ohos.net.statistics';

class IFace {
  iface: string = ""
  uid?: number = 0
}
statistics.on('netStatsChange', (data: IFace) => {
  console.log('on netStatsChange' + JSON.stringify(data));
});

statistics.off('netStatsChange')¹⁰⁺

off(type: 'netStatsChange', callback?: Callback<{ iface: string, uid?: number }>): void;

Unsubscribes from traffic change events.

System API: This is a system API.

Required permissions: ohos.permission.GET_NETWORK_STATS

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
type	string	Yes	Event type. This field has a fixed value of netStatsChange.
callback	Callback<{ iface: string, uid?: number }>	No	Callback invoked when the traffic changes. iface: NIC name. uid: application UID.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
201	Permission denied.
202	Non-system applications use system APIs.
401	Parameter error.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.

Example

import statistics from '@ohos.net.statistics';

class IFace {
  iface: string = ""
  uid?: number = 0
}
let callback: (data: IFace) => void = (data: IFace) => {
    console.log("on netStatsChange, iFace:" + data.iface + " uid: " + data.uid);
}
statistics.on('netStatsChange', callback);
// You can pass the callback of the on method to cancel listening for a certain type of callback. If you do not pass the callback, you will cancel listening for all callbacks.
statistics.off('netStatsChange', callback);
statistics.off('netStatsChange');

statistics.getTrafficStatsByIface¹⁰⁺

getTrafficStatsByIface(ifaceInfo: IfaceInfo, callback: AsyncCallback<NetStatsInfo>): void;

Obtains the historical data traffic of the specified NIC. This API uses an asynchronous callback to return the result.

System API: This is a system API.

Required permissions: ohos.permission.GET_NETWORK_STATS

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
ifaceInfo	IfaceInfo	Yes	NIC information. For details, see IfaceInfo.
callback	AsyncCallback<NetStatsInfo>	Yes	Callback used to return the result. If the operation is successful, error is undefined and statsInfo is the historical data traffic of the NIC. Otherwise, error is an error object.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
201	Permission denied.
202	Non-system applications use system APIs.
401	Parameter error.
2100001	Invalid parameter value.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103017	Read data from database failed.

Example

import { BusinessError } from '@ohos.base';
import statistics from '@ohos.net.statistics';

let iFaceInfo: statistics.IfaceInfo

statistics.getTrafficStatsByIface(iFaceInfo, (error: BusinessError, statsInfo: statistics.NetStatsInfo) => {
  console.log(JSON.stringify(error));
  console.log(
    "getTrafficStatsByIface bytes of received = " +
    JSON.stringify(statsInfo.rxBytes)
  );
  console.log(
    "getTrafficStatsByIface bytes of sent = " +
    JSON.stringify(statsInfo.txBytes)
  );
  console.log(
    "getTrafficStatsByIface packets of received = " +
    JSON.stringify(statsInfo.rxPackets)
  );
  console.log(
    "getTrafficStatsByIface packets of sent = " +
    JSON.stringify(statsInfo.txPackets)
  );
});

statistics.getTrafficStatsByIface¹⁰⁺

getTrafficStatsByIface(ifaceInfo: IfaceInfo): Promise<NetStatsInfo>;

Obtains the historical data traffic of the specified NIC. This API uses a promise to return the result.

System API: This is a system API.

Required permissions: ohos.permission.GET_NETWORK_STATS

System capability: SystemCapability.Communication.NetManager.Core

Name	Type	Mandatory	Description
ifaceInfo	IfaceInfo	Yes	NIC information. For details, see IfaceInfo.

Return value

Type	Description
Promise<NetStatsInfo>	Promise used to return the result, which is the historical data traffic of the specified NIC.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
201	Permission denied.
202	Non-system applications use system APIs.
401	Parameter error.
2100001	Invalid parameter value.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103017	Read data from database failed.

Example

import statistics from '@ohos.net.statistics';

let iFaceInfo: statistics.IfaceInfo
statistics.getTrafficStatsByIface(iFaceInfo).then((statsInfo: statistics.NetStatsInfo) => {
  console.log(
    "getTrafficStatsByIface bytes of received = " +
    JSON.stringify(statsInfo.rxBytes)
  );
  console.log(
    "getTrafficStatsByIface bytes of sent = " +
    JSON.stringify(statsInfo.txBytes)
  );
  console.log(
    "getTrafficStatsByIface packets of received = " +
    JSON.stringify(statsInfo.rxPackets)
  );
  console.log(
    "getTrafficStatsByIface packets of sent = " +
    JSON.stringify(statsInfo.txPackets)
  );
});

statistics.getTrafficStatsByUid¹⁰⁺

getTrafficStatsByUid(uidInfo: UidInfo, callback: AsyncCallback<NetStatsInfo>): void;

Obtains the historical data traffic of the specified application. This API uses an asynchronous callback to return the result.

System API: This is a system API.

Required permissions: ohos.permission.GET_NETWORK_STATS

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
uidInfo	UidInfo	Yes	Application information. For details, see UidInfo.
callback	AsyncCallback<NetStatsInfo>	Yes	Callback used to return the result. If the operation is successful, error is undefined and statsInfo is the historical data traffic of the application. Otherwise, error is an error object.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
201	Permission denied.
202	Non-system applications use system APIs.
401	Parameter error.
2100001	Invalid parameter value.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103017	Read data from database failed.

Example

import { BusinessError } from '@ohos.base';
import statistics from '@ohos.net.statistics';

let uidInfo: statistics.UidInfo
uidInfo.uid = 20010037

statistics.getTrafficStatsByUid(
  uidInfo,
  (error: BusinessError, statsInfo: statistics.NetStatsInfo) => {
    console.log(JSON.stringify(error));
    console.log(
      "getTrafficStatsByUid bytes of received = " +
      JSON.stringify(statsInfo.rxBytes)
    );
    console.log(
      "getTrafficStatsByUid bytes of sent = " +
      JSON.stringify(statsInfo.txBytes)
    );
    console.log(
      "getTrafficStatsByUid packets of received = " +
      JSON.stringify(statsInfo.rxPackets)
    );
    console.log(
      "getTrafficStatsByUid packets of sent = " +
      JSON.stringify(statsInfo.txPackets)
    );
  }
);

statistics.getTrafficStatsByUid¹⁰⁺

getTrafficStatsByUid(uidInfo: UidInfo): Promise<NetStatsInfo>;

Obtains the historical data traffic of the specified application. This API uses a promise to return the result.

System API: This is a system API.

Required permissions: ohos.permission.GET_NETWORK_STATS

System capability: SystemCapability.Communication.NetManager.Core

Parameters

Name	Type	Mandatory	Description
uidInfo	UidInfo	Yes	Application information. For details, see UidInfo.

Return value

Type	Description
Promise<NetStatsInfo>	Promise used to return the result, which is the historical data traffic of the specified NIC.

Error codes

For details about the error codes, see Traffic Management Error Codes.

ID	Error Message
201	Permission denied.
202	Non-system applications use system APIs.
401	Parameter error.
2100001	Invalid parameter value.
2100002	Operation failed. Cannot connect to service.
2100003	System internal error.
2103017	Read data from database failed.

Example

import statistics from '@ohos.net.statistics'

let uidInfo: statistics.UidInfo
uidInfo.uid = 20010037

statistics.getTrafficStatsByUid(uidInfo).then((statsInfo: statistics.NetStatsInfo) => {
  console.log("getTrafficStatsByUid bytes of received = " + JSON.stringify(statsInfo.rxBytes));
  console.log("getTrafficStatsByUid bytes of sent = " + JSON.stringify(statsInfo.txBytes));
  console.log("getTrafficStatsByUid packets of received = " + JSON.stringify(statsInfo.rxPackets));
  console.log("getTrafficStatsByUid packets of sent = " + JSON.stringify(statsInfo.txPackets));
})

IfaceInfo¹⁰⁺

Defines the parameters for querying historical traffic of an NIC.

System API: This is a system API.

System capability: SystemCapability.Communication.NetManager.Core

Name	Type	Mandatory	Description
iface	string	Yes	NIC name.
startTime	number	Yes	Start time of the query, which is a timestamp in seconds.
endTime	number	Yes	End time of the query, which is a timestamp in seconds.

UidInfo¹⁰⁺

Defines the parameters for querying historical traffic of an application.

System API: This is a system API.

System capability: SystemCapability.Communication.NetManager.Core

Name	Type	Mandatory	Description
ifaceInfo	IfaceInfo<IfaceInfo>	Yes	NIC name and query time range.
uid	number	Yes	Application UID.

NetStatsInfo¹⁰⁺

Defines the historical traffic information.

System API: This is a system API.

System capability: SystemCapability.Communication.NetManager.Core

Name	Type	Mandatory	Description
rxBytes	number	Yes	Downlink traffic data, in bytes.
txBytes	number	Yes	Uplink traffic data, in bytes.
rxPackets	number	Yes	Number of downlink packets.
txPackets	number	Yes	Number of uplink packets.

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harmony 鸿蒙@ohos.net.statistics (Traffic Management)

@ohos.net.statistics (Traffic Management)

Modules to Import

statistics.getIfaceRxBytes¹⁰⁺

statistics.getIfaceRxBytes¹⁰⁺

statistics.getIfaceTxBytes¹⁰⁺

statistics.getIfaceTxBytes¹⁰⁺

statistics.getCellularRxBytes¹⁰⁺

statistics.getCellularRxBytes¹⁰⁺

statistics.getCellularTxBytes¹⁰⁺

statistics.getCellularTxBytes¹⁰⁺

statistics.getAllRxBytes¹⁰⁺

statistics.getAllRxBytes¹⁰⁺

statistics.getAllTxBytes¹⁰⁺

statistics.getAllTxBytes¹⁰⁺

statistics.getUidRxBytes¹⁰⁺

statistics.getUidRxBytes¹⁰⁺

statistics.getUidTxBytes¹⁰⁺

statistics.getUidTxBytes¹⁰⁺

statistics.on('netStatsChange')¹⁰⁺

statistics.off('netStatsChange')¹⁰⁺

statistics.getTrafficStatsByIface¹⁰⁺

statistics.getTrafficStatsByIface¹⁰⁺

statistics.getTrafficStatsByUid¹⁰⁺

statistics.getTrafficStatsByUid¹⁰⁺

IfaceInfo¹⁰⁺

UidInfo¹⁰⁺

NetStatsInfo¹⁰⁺

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标签云

@ohos.net.statistics (Traffic Management)

Modules to Import

statistics.getIfaceRxBytes10+

statistics.getIfaceRxBytes10+

statistics.getIfaceTxBytes10+

statistics.getIfaceTxBytes10+

statistics.getCellularRxBytes10+

statistics.getCellularRxBytes10+

statistics.getCellularTxBytes10+

statistics.getCellularTxBytes10+

statistics.getAllRxBytes10+

statistics.getAllRxBytes10+

statistics.getAllTxBytes10+

statistics.getAllTxBytes10+

statistics.getUidRxBytes10+

statistics.getUidRxBytes10+

statistics.getUidTxBytes10+

statistics.getUidTxBytes10+

statistics.on('netStatsChange')10+

statistics.off('netStatsChange')10+

statistics.getTrafficStatsByIface10+

statistics.getTrafficStatsByIface10+

statistics.getTrafficStatsByUid10+

statistics.getTrafficStatsByUid10+

IfaceInfo10+

UidInfo10+

NetStatsInfo10+

你可能感兴趣的鸿蒙文章

最新博客

最热博客

statistics.getIfaceRxBytes¹⁰⁺

statistics.getIfaceRxBytes¹⁰⁺

statistics.getIfaceTxBytes¹⁰⁺

statistics.getIfaceTxBytes¹⁰⁺

statistics.getCellularRxBytes¹⁰⁺

statistics.getCellularRxBytes¹⁰⁺

statistics.getCellularTxBytes¹⁰⁺

statistics.getCellularTxBytes¹⁰⁺

statistics.getAllRxBytes¹⁰⁺

statistics.getAllRxBytes¹⁰⁺

statistics.getAllTxBytes¹⁰⁺

statistics.getAllTxBytes¹⁰⁺

statistics.getUidRxBytes¹⁰⁺

statistics.getUidRxBytes¹⁰⁺

statistics.getUidTxBytes¹⁰⁺

statistics.getUidTxBytes¹⁰⁺

statistics.on('netStatsChange')¹⁰⁺

statistics.off('netStatsChange')¹⁰⁺

statistics.getTrafficStatsByIface¹⁰⁺

statistics.getTrafficStatsByIface¹⁰⁺

statistics.getTrafficStatsByUid¹⁰⁺

statistics.getTrafficStatsByUid¹⁰⁺

IfaceInfo¹⁰⁺

UidInfo¹⁰⁺

NetStatsInfo¹⁰⁺