LineageOS/android_packages_modules_Connectivity
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Refine random stats generation.

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Offer parameters to pick out specific list of packages, and to change
duration and total data.

Bug: 5416742
Change-Id: I6970a5e76f3198ef23a400c079037212b000ca6b
This commit is contained in:
Jeff Sharkey
2011-10-05 23:31:57 -07:00
parent f1369459ed
commit 0787a3616f
2 changed files with 92 additions and 35 deletions
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25
core/java/android/net/NetworkStatsHistory.java
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@@ -474,21 +474,38 @@ public class NetworkStatsHistory implements Parcelable {
return entry;
}
/**
* @deprecated only for temporary testing
*/
@Deprecated
public void generateRandom(long start, long end, long bytes) {
final Random r = new Random();
final float fractionRx = r.nextFloat();
final long rxBytes = (long) (bytes * fractionRx);
final long txBytes = (long) (bytes * (1 - fractionRx));
final long rxPackets = rxBytes / 1024;
final long txPackets = txBytes / 1024;
final long operations = rxBytes / 2048;
generateRandom(start, end, rxBytes, rxPackets, txBytes, txPackets, operations, r);
}
/**
* @deprecated only for temporary testing
*/
@Deprecated
public void generateRandom(long start, long end, long rxBytes, long rxPackets, long txBytes,
long txPackets, long operations) {
long txPackets, long operations, Random r) {
ensureBuckets(start, end);
final NetworkStats.Entry entry = new NetworkStats.Entry(
IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, 0L, 0L, 0L, 0L, 0L);
final Random r = new Random();
while (rxBytes > 1024 || rxPackets > 128 || txBytes > 1024 || txPackets > 128
|| operations > 32) {
final long curStart = randomLong(r, start, end);
final long curEnd = randomLong(r, curStart, end);
final long curEnd = curStart + randomLong(r, 0, (end - curStart) / 2);
entry.rxBytes = randomLong(r, 0, rxBytes);
entry.rxPackets = randomLong(r, 0, rxPackets);
@@ -506,7 +523,7 @@ public class NetworkStatsHistory implements Parcelable {
}
}
private static long randomLong(Random r, long start, long end) {
public static long randomLong(Random r, long start, long end) {
return (long) (start + (r.nextFloat() * (end - start)));
}