This patch pushes packet wakeup events collected by
NetdEventListenerService into the statds service.
Example logs from $ adb logcat -b stats
11-20 23:33:25.955 955 972 I [44] : [10014,wlan0,34525,10:e:7e:26:3f:c1,2001:db8:400d:c0b::bc,2001:db8:4:fd00:a00a:dbc8:f5ba:4269,6,5228,49411]
11-20 23:37:05.809 955 1473 I [44] : [10014,wlan0,2048,10:e:7e:26:3f:c1,192.168.0.142,192.168.0.39,6,443,45422]
11-20 23:42:09.233 955 1473 I [44] : [10014,wlan0,2048,10:e:7e:26:3f:c1,192.168.12.238,192.168.0.39,6,443,40160]
11-20 23:55:28.162 955 1207 I [44] : [10059,wlan0,34525,10:e:7e:26:3f:c1,2001:db8:4004:807::200a,2001:db8:4:fd00:a00a:dbc8:f5ba:4269,6,443,42492]
11-20 23:59:18.343 955 1888 I [44] : [10059,wlan0,34525,10:e:7e:26:3f:c1,2001:db8:4004:807::200a,2001:db8:4:fd00:a00a:dbc8:f5ba:4269,6,443,42491]
11-21 00:00:17.952 955 3341 I [44] : [10014,wlan0,34525,10:e:7e:26:3f:c1,2001:db8:400d:c0b::bc,2001:db8:4:fd00:a00a:dbc8:f5ba:4269,6,5228,49411]
11-21 00:13:05.552 955 1473 I [44] : [-1,wlan0,34525,10:e:7e:26:3f:c1,2001:db8:4004:805::200a,2001:db8:4:fd00:a00a:dbc8:f5ba:4269,6,443,38098]
11-21 00:13:50.606 955 1207 I [44] : [-1,wlan0,2048,10:e:7e:26:3f:c1,192.168.5.238,192.168.0.39,6,443,40802]
Bug:
28806131
Test: runtest frameworks-net
Change-Id: I5a3c76498a4b720f0d9308a65b5dd4b32377d0d1
SettingChanged setting_changed = 41;
ActivityForegroundStateChanged activity_foreground_state_changed = 42;
IsolatedUidChanged isolated_uid_changed = 43;
+ PacketWakeupOccurred packet_wakeup_occurred = 44;
// TODO: Reorder the numbering so that the most frequent occur events occur in the first 15.
}
optional uint64 freq_idx = 2;
optional uint64 time_ms = 3;
}
+
+/*
+ * Logs the reception of an incoming network packet causing the main system to wake up for
+ * processing that packet. These events are notified by the kernel via Netlink NFLOG to Netd
+ * and processed by WakeupController.cpp.
+ */
+message PacketWakeupOccurred {
+ // The uid owning the socket into which the packet was delivered, or -1 if the packet was
+ // delivered nowhere.
+ optional int32 uid = 1;
+ // The interface name on which the packet was received.
+ optional string iface = 2;
+ // The ethertype value of the packet.
+ optional int32 ethertype = 3;
+ // String representation of the destination MAC address of the packet.
+ optional string destination_hardware_address = 4;
+ // String representation of the source address of the packet if this was an IP packet.
+ optional string source_ip = 5;
+ // String representation of the destination address of the packet if this was an IP packet.
+ optional string destination_ip = 6;
+ // The value of the protocol field if this was an IPv4 packet or the value of the Next Header
+ // field if this was an IPv6 packet. The range of possible values is the same for both IP
+ // families.
+ optional int32 ip_next_header = 7;
+ // The source port if this was a TCP or UDP packet.
+ optional int32 source_port = 8;
+ // The destination port if this was a TCP or UDP packet.
+ optional int32 destination_port = 9;
+}
public String iface;
public int uid;
public int ethertype;
- public byte[] dstHwAddr;
+ public MacAddress dstHwAddr;
public String srcIp;
public String dstIp;
public int ipNextHeader;
j.add(iface);
j.add("uid: " + Integer.toString(uid));
j.add("eth=0x" + Integer.toHexString(ethertype));
- j.add("dstHw=" + MacAddress.stringAddrFromByteAddr(dstHwAddr));
+ j.add("dstHw=" + dstHwAddr);
if (ipNextHeader > 0) {
j.add("ipNxtHdr=" + ipNextHeader);
j.add("srcIp=" + srcIp);
package android.net.metrics;
-import android.net.MacAddress;
import android.os.Process;
import android.os.SystemClock;
import android.util.SparseIntArray;
break;
}
- switch (MacAddress.macAddressType(ev.dstHwAddr)) {
+ switch (ev.dstHwAddr.addressType()) {
case UNICAST:
l2UnicastCount++;
break;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.INetdEventCallback;
+import android.net.MacAddress;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.metrics.ConnectStats;
import android.util.Log;
import android.util.ArrayMap;
import android.util.SparseArray;
+import android.util.StatsLog;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.annotations.VisibleForTesting;
event.timestampMs = timestampMs;
event.uid = uid;
event.ethertype = ethertype;
- event.dstHwAddr = dstHw;
+ event.dstHwAddr = new MacAddress(dstHw);
event.srcIp = srcIp;
event.dstIp = dstIp;
event.ipNextHeader = ipNextHeader;
event.srcPort = srcPort;
event.dstPort = dstPort;
addWakeupEvent(event);
+
+ String dstMac = event.dstHwAddr.toString();
+ StatsLog.write(StatsLog.PACKET_WAKEUP_OCCURRED,
+ uid, iface, ethertype, dstMac, srcIp, dstIp, ipNextHeader, srcPort, dstPort);
}
private void addWakeupEvent(WakeupEvent event) {