| Commit message (Collapse) | Author | Age | Files | Lines |
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Carriers will use DNS query logs in tests. Removes log expiration time
limit so logs persist long enough for 24 hour testing.
Bug: 279596912
Bug: 231264474
Bug: 200748696
Test: atest resolv_unit_test:DnsQueryLogTest
Change-Id: Ib98b16053d0386e98be370fa6138d667dfcb03c9
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Currently, we need to provide a special build of the image for carrier
testing, so that we can find out which apps are using DNS queries
when the device idle. In fact, DnsQueryLog already can dump the required
information, but lacks the interface to set the number of records. The
default number of records 200 may not be enough for a 24 hours idle
test. This commit enables DNS resolver to read the record setting from
system properties, which is limited to 0 ~ 10000.
Dumping DnsQueryLog requires root permission. There is no privacy
concern in production builds.
Bug: 279596912
Bug: 231264474
Bug: 200748696
Test: Run script like this to trigger 400 DNS queries
#!/bin/bash
for ((i=1; i<=400; i++))
do
hostname="http://example${i}.com"
adb shell am start -a android.intent.action.VIEW -d "$hostname"
sleep 1
done
$adb root; chmod +x run_dns_queries.sh; ./run_dns_queries.sh
$adb shell dumpsys dnsresolver querylog | grep time | wc -l
200
$adb shell setprop persist.net.dns_query_log_size 3
$adb reboot
$adb root; chmod +x run_dns_queries.sh; ./run_dns_queries.sh
$adb shell dumpsys dnsresolver querylog | grep time | wc -l
3
$adb shell setprop persist.net.dns_query_log_size 300
$adb reboot
$adb root; chmod +x run_dns_queries.sh; ./run_dns_queries.sh
$adb shell dumpsys dnsresolver querylog | grep time | wc -l
300
Change-Id: Ic8fbe7e3ec52e1901fea9962d1c7564152693fc3
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This is a refactor for DnsQueryLog. No functional behavior change.
Bug: 79727473
Test: resolv_unit_test passed
Test: adb shell dumpsys dnsresolver querylog
Change-Id: Id9fc9b7868dab5861feda5ab2cb04759e7a34846
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Ensure the basic functions of DnsQueryLog work as expected.
Bug: 139040977
Test: cd packages/modules/DnsResolver && atest
Change-Id: I6b318beeed7ff5942e8d08474c354e48ebdac936
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Introduce a thread-safe queue, DnsQueryLog, to log the DNS resolved answers
which are not found in the cache. The sensitive data is masked in order
not to reveal privacy information. The log can be shown only by
"dumpsys dnsresolver querylog", and it can show only the most-recent-one-hour
queries.
Example output:
DNS query log (last 60 minutes):
time=17:27:09.262 netId=100 uid=10107 pid=3322 hostname=w*** answer=[2404:***, 216.***] (33ms)
time=17:27:14.303 netId=100 uid=10097 pid=3363 hostname=w*** answer=[13.***] (21ms)
Bug: 139040977
Test: cd packages/modules/DnsResolver && atest
Test: "adb shell dumpsys dnsresolver querylog" passed
Change-Id: I8d063f4ac920f41c4fbc77e60a3e3a919d9daa62
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