diff options
Diffstat (limited to 'core/java/android/net/TrafficStats.java')
| -rw-r--r-- | core/java/android/net/TrafficStats.java | 230 |
1 files changed, 113 insertions, 117 deletions
diff --git a/core/java/android/net/TrafficStats.java b/core/java/android/net/TrafficStats.java index a014cec..a282910 100644 --- a/core/java/android/net/TrafficStats.java +++ b/core/java/android/net/TrafficStats.java @@ -424,161 +424,156 @@ public class TrafficStats { } /** - * Get the number of bytes sent through the network for this UID. - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. + * Return number of bytes transmitted by the given UID since device boot. + * Counts packets across all network interfaces, and always increases + * monotonically since device boot. Statistics are measured at the network + * layer, so they include both TCP and UDP usage. + * <p> + * Before {@link android.os.Build.VERSION_CODES#K}, this may return + * {@link #UNSUPPORTED} on devices where statistics aren't available. * - * @param uid The UID of the process to examine. - * @return number of bytes. If the statistics are not supported by this device, - * {@link #UNSUPPORTED} will be returned. + * @see android.os.Process#myUid() + * @see android.content.pm.ApplicationInfo#uid */ - public static native long getUidTxBytes(int uid); + public static long getUidTxBytes(int uid) { + return nativeGetUidStat(uid, TYPE_TX_BYTES); + } /** - * Get the number of bytes received through the network for this UID. - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. + * Return number of bytes received by the given UID since device boot. + * Counts packets across all network interfaces, and always increases + * monotonically since device boot. Statistics are measured at the network + * layer, so they include both TCP and UDP usage. + * <p> + * Before {@link android.os.Build.VERSION_CODES#K}, this may return + * {@link #UNSUPPORTED} on devices where statistics aren't available. * - * @param uid The UID of the process to examine. - * @return number of bytes + * @see android.os.Process#myUid() + * @see android.content.pm.ApplicationInfo#uid */ - public static native long getUidRxBytes(int uid); + public static long getUidRxBytes(int uid) { + return nativeGetUidStat(uid, TYPE_RX_BYTES); + } /** - * Get the number of packets (TCP segments + UDP) sent through - * the network for this UID. - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. + * Return number of packets transmitted by the given UID since device boot. + * Counts packets across all network interfaces, and always increases + * monotonically since device boot. Statistics are measured at the network + * layer, so they include both TCP and UDP usage. + * <p> + * Before {@link android.os.Build.VERSION_CODES#K}, this may return + * {@link #UNSUPPORTED} on devices where statistics aren't available. * - * @param uid The UID of the process to examine. - * @return number of packets. - * If the statistics are not supported by this device, - * {@link #UNSUPPORTED} will be returned. + * @see android.os.Process#myUid() + * @see android.content.pm.ApplicationInfo#uid */ - public static native long getUidTxPackets(int uid); + public static long getUidTxPackets(int uid) { + return nativeGetUidStat(uid, TYPE_TX_PACKETS); + } /** - * Get the number of packets (TCP segments + UDP) received through - * the network for this UID. - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. + * Return number of packets received by the given UID since device boot. + * Counts packets across all network interfaces, and always increases + * monotonically since device boot. Statistics are measured at the network + * layer, so they include both TCP and UDP usage. + * <p> + * Before {@link android.os.Build.VERSION_CODES#K}, this may return + * {@link #UNSUPPORTED} on devices where statistics aren't available. * - * @param uid The UID of the process to examine. - * @return number of packets + * @see android.os.Process#myUid() + * @see android.content.pm.ApplicationInfo#uid */ - public static native long getUidRxPackets(int uid); + public static long getUidRxPackets(int uid) { + return nativeGetUidStat(uid, TYPE_RX_PACKETS); + } /** - * Get the number of TCP payload bytes sent for this UID. - * This total does not include protocol and control overheads at - * the transport and the lower layers of the networking stack. - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. - * - * @param uid The UID of the process to examine. - * @return number of bytes. If the statistics are not supported by this device, - * {@link #UNSUPPORTED} will be returned. + * @deprecated Starting in {@link android.os.Build.VERSION_CODES#K}, + * transport layer statistics are no longer available, and will + * always return {@link #UNSUPPORTED}. + * @see #getUidTxBytes(int) */ - public static native long getUidTcpTxBytes(int uid); + @Deprecated + public static long getUidTcpTxBytes(int uid) { + return UNSUPPORTED; + } /** - * Get the number of TCP payload bytes received for this UID. - * This total does not include protocol and control overheads at - * the transport and the lower layers of the networking stack. - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. - * - * @param uid The UID of the process to examine. - * @return number of bytes. If the statistics are not supported by this device, - * {@link #UNSUPPORTED} will be returned. + * @deprecated Starting in {@link android.os.Build.VERSION_CODES#K}, + * transport layer statistics are no longer available, and will + * always return {@link #UNSUPPORTED}. + * @see #getUidRxBytes(int) */ - public static native long getUidTcpRxBytes(int uid); + @Deprecated + public static long getUidTcpRxBytes(int uid) { + return UNSUPPORTED; + } /** - * Get the number of UDP payload bytes sent for this UID. - * This total does not include protocol and control overheads at - * the transport and the lower layers of the networking stack. - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. - * - * @param uid The UID of the process to examine. - * @return number of bytes. If the statistics are not supported by this device, - * {@link #UNSUPPORTED} will be returned. + * @deprecated Starting in {@link android.os.Build.VERSION_CODES#K}, + * transport layer statistics are no longer available, and will + * always return {@link #UNSUPPORTED}. + * @see #getUidTxBytes(int) */ - public static native long getUidUdpTxBytes(int uid); + @Deprecated + public static long getUidUdpTxBytes(int uid) { + return UNSUPPORTED; + } /** - * Get the number of UDP payload bytes received for this UID. - * This total does not include protocol and control overheads at - * the transport and the lower layers of the networking stack. - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. - * - * @param uid The UID of the process to examine. - * @return number of bytes. If the statistics are not supported by this device, - * {@link #UNSUPPORTED} will be returned. + * @deprecated Starting in {@link android.os.Build.VERSION_CODES#K}, + * transport layer statistics are no longer available, and will + * always return {@link #UNSUPPORTED}. + * @see #getUidRxBytes(int) */ - public static native long getUidUdpRxBytes(int uid); + @Deprecated + public static long getUidUdpRxBytes(int uid) { + return UNSUPPORTED; + } /** - * Get the number of TCP segments sent for this UID. - * Does not include TCP control packets (SYN/ACKs/FIN/..). - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. - * - * @param uid The UID of the process to examine. - * @return number of TCP segments. If the statistics are not supported by this device, - * {@link #UNSUPPORTED} will be returned. + * @deprecated Starting in {@link android.os.Build.VERSION_CODES#K}, + * transport layer statistics are no longer available, and will + * always return {@link #UNSUPPORTED}. + * @see #getUidTxPackets(int) */ - public static native long getUidTcpTxSegments(int uid); + @Deprecated + public static long getUidTcpTxSegments(int uid) { + return UNSUPPORTED; + } /** - * Get the number of TCP segments received for this UID. - * Does not include TCP control packets (SYN/ACKs/FIN/..). - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. - * - * @param uid The UID of the process to examine. - * @return number of TCP segments. If the statistics are not supported by this device, - * {@link #UNSUPPORTED} will be returned. + * @deprecated Starting in {@link android.os.Build.VERSION_CODES#K}, + * transport layer statistics are no longer available, and will + * always return {@link #UNSUPPORTED}. + * @see #getUidRxPackets(int) */ - public static native long getUidTcpRxSegments(int uid); + @Deprecated + public static long getUidTcpRxSegments(int uid) { + return UNSUPPORTED; + } /** - * Get the number of UDP packets sent for this UID. - * Includes DNS requests. - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. - * - * @param uid The UID of the process to examine. - * @return number of packets. If the statistics are not supported by this device, - * {@link #UNSUPPORTED} will be returned. + * @deprecated Starting in {@link android.os.Build.VERSION_CODES#K}, + * transport layer statistics are no longer available, and will + * always return {@link #UNSUPPORTED}. + * @see #getUidTxPackets(int) */ - public static native long getUidUdpTxPackets(int uid); + @Deprecated + public static long getUidUdpTxPackets(int uid) { + return UNSUPPORTED; + } /** - * Get the number of UDP packets received for this UID. - * Includes DNS responses. - * The statistics are across all interfaces. - * - * {@see android.os.Process#myUid()}. - * - * @param uid The UID of the process to examine. - * @return number of packets. If the statistics are not supported by this device, - * {@link #UNSUPPORTED} will be returned. + * @deprecated Starting in {@link android.os.Build.VERSION_CODES#K}, + * transport layer statistics are no longer available, and will + * always return {@link #UNSUPPORTED}. + * @see #getUidRxPackets(int) */ - public static native long getUidUdpRxPackets(int uid); + @Deprecated + public static long getUidUdpRxPackets(int uid) { + return UNSUPPORTED; + } /** * Return detailed {@link NetworkStats} for the current UID. Requires no @@ -616,4 +611,5 @@ public class TrafficStats { private static native long nativeGetTotalStat(int type); private static native long nativeGetIfaceStat(String iface, int type); + private static native long nativeGetUidStat(int uid, int type); } |