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Expose getTx/RxBytes in TrafficStats

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Test: atest FrameworksNetTests TrafficStatsTest
      atest android.net.cts android.net.wifi.cts
Bug: 164965653
Change-Id: I17b9d0bc2404c5727d4c4530ad941439b7b71a54
This commit is contained in:
junyulai
2020-09-29 14:19:24 +08:00
parent 0caeaa3ba2
commit 01f60b234e
1 changed files with 50 additions and 10 deletions
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60
core/java/android/net/TrafficStats.java
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@@ -597,10 +597,17 @@ public class TrafficStats {
}
/**
* Return the number of packets transmitted on the specified interface since
* device boot. Statistics are measured at the network layer, so both TCP and
* Return the number of packets transmitted on the specified interface since the interface
* was created. Statistics are measured at the network layer, so both TCP and
* UDP usage are included.
*
* Note that the returned values are partial statistics that do not count data from several
* sources and do not apply several adjustments that are necessary for correctness, such
* as adjusting for VPN apps, IPv6-in-IPv4 translation, etc. These values can be used to
* determine whether traffic is being transferred on the specific interface but are not a
* substitute for the more accurate statistics provided by the {@link NetworkStatsManager}
* APIs.
*
* @param iface The name of the interface.
* @return The number of transmitted packets.
*/
@@ -613,10 +620,17 @@ public class TrafficStats {
}
/**
* Return the number of packets received on the specified interface since
* device boot. Statistics are measured at the network layer, so both TCP
* Return the number of packets received on the specified interface since the interface was
* created. Statistics are measured at the network layer, so both TCP
* and UDP usage are included.
*
* Note that the returned values are partial statistics that do not count data from several
* sources and do not apply several adjustments that are necessary for correctness, such
* as adjusting for VPN apps, IPv6-in-IPv4 translation, etc. These values can be used to
* determine whether traffic is being transferred on the specific interface but are not a
* substitute for the more accurate statistics provided by the {@link NetworkStatsManager}
* APIs.
*
* @param iface The name of the interface.
* @return The number of received packets.
*/
@@ -628,9 +642,22 @@ public class TrafficStats {
}
}
/** {@hide} */
@UnsupportedAppUsage
public static long getTxBytes(String iface) {
/**
* Return the number of bytes transmitted on the specified interface since the interface
* was created. Statistics are measured at the network layer, so both TCP and
* UDP usage are included.
*
* Note that the returned values are partial statistics that do not count data from several
* sources and do not apply several adjustments that are necessary for correctness, such
* as adjusting for VPN apps, IPv6-in-IPv4 translation, etc. These values can be used to
* determine whether traffic is being transferred on the specific interface but are not a
* substitute for the more accurate statistics provided by the {@link NetworkStatsManager}
* APIs.
*
* @param iface The name of the interface.
* @return The number of transmitted bytes.
*/
public static long getTxBytes(@NonNull String iface) {
try {
return getStatsService().getIfaceStats(iface, TYPE_TX_BYTES);
} catch (RemoteException e) {
@@ -638,9 +665,22 @@ public class TrafficStats {
}
}
/** {@hide} */
@UnsupportedAppUsage
public static long getRxBytes(String iface) {
/**
* Return the number of bytes received on the specified interface since the interface
* was created. Statistics are measured at the network layer, so both TCP
* and UDP usage are included.
*
* Note that the returned values are partial statistics that do not count data from several
* sources and do not apply several adjustments that are necessary for correctness, such
* as adjusting for VPN apps, IPv6-in-IPv4 translation, etc. These values can be used to
* determine whether traffic is being transferred on the specific interface but are not a
* substitute for the more accurate statistics provided by the {@link NetworkStatsManager}
* APIs.
*
* @param iface The name of the interface.
* @return The number of received bytes.
*/
public static long getRxBytes(@NonNull String iface) {
try {
return getStatsService().getIfaceStats(iface, TYPE_RX_BYTES);
} catch (RemoteException e) {