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review.blissroms.org / platform_packages_modules_DnsResolver / 356e4c60bc6dd3a318a54911b81a2654a1c39a02
commit356e4c60bc6dd3a318a54911b81a2654a1c39a02[log] [tgz]
authorwaynema <waynema@google.com>Mon Sep 13 16:28:12 2021 +0800
committerwaynema <waynema@google.com>Tue Sep 28 14:28:02 2021 +0800
tree963b125ec6fecb77fce57357265b1d683fa3063c
parent67936ef2be46a6942f302964f31cff5c237f6941 [diff]
DoH statistics is now available from DnsStats and is shown in dumpsys dnsresolver.

Example of output from dumpsys dnsresolver:

  Server statistics: (total, RTT avg, {rcode:counts}, last update)
    over UDP
      8.8.4.4 (3, 2503ms, [TIMEOUT:3 ], 465s) score{71.0}
      8.8.8.8 (4, 1880ms, [NOERROR:1 TIMEOUT:3 ], 468s) score{77.3}
      2001:4860:4860::8844 (9, 15ms, [NOERROR:9 ], 78s) score{99.8}
      2001:4860:4860::8888 <no data> score{100.0}
    over DOH
      2001:4860:4860::8888 (89, 30ms, [NOERROR:89 ], 127s) score{99.7}
    over TLS
      8.8.4.4 <no data> score{100.0}
      8.8.8.8 <no data> score{100.0}
      2001:4860:4860::8844 <no data> score{100.0}
      2001:4860:4860::8888 <no data> score{100.0}
    over TCP
      8.8.4.4 <no data> score{100.0}
      8.8.8.8 <no data> score{100.0}
      2001:4860:4860::8844 <no data> score{100.0}
      2001:4860:4860::8888 <no data> score{100.0}
    over MDNS
      224.0.0.251 <no data> score{100.0}
      ff02::fb <no data> score{100.0}
  TC mode: default
  TransportType: WIFI

Test steps:
a. Default enable strict mode.
b. Turn on WiFi.
c. Turn on Mobile data.
d. Check the output from dumpsys dnsresolver.
e. Expect to see two different statistics with the same DNS server on different NetId.

NetId: 101
    over DOH
      2001:4860:4860::8888 (90, 29ms, [NOERROR:90 ], 7s) score{99.7}
  TransportType: WIFI

NetId: 102
    over DOH
      2001:4860:4860::8888 (2, 33ms, [NOERROR:2 ], 74s) score{99.7}
  TransportType: CELLULAR

Bug: 195092631
Test: checked output in dumpsys dnsresolver
Change-Id: I65c69a850bce352839314833d44c9f165c7ca142
7 files changed
tree: 963b125ec6fecb77fce57357265b1d683fa3063c
  1. aidl_api/
  2. apex/
  3. binder/
  4. include/
  5. tests/
  6. .clang-format ⇨ ../../../build/soong/scripts/system-clang-format
  7. rustfmt.toml ⇨ ../../../build/soong/scripts/rustfmt.toml
  8. .editorconfig
  9. Android.bp
  10. cbindgen.toml
  11. Dns64Configuration.cpp
  12. Dns64Configuration.h
  13. DnsProxyListener.cpp
  14. DnsProxyListener.h
  15. DnsQueryLog.cpp
  16. DnsQueryLog.h
  17. DnsQueryLogTest.cpp
  18. DnsResolver.cpp
  19. DnsResolver.h
  20. DnsResolverService.cpp
  21. DnsResolverService.h
  22. DnsStats.cpp
  23. DnsStats.h
  24. DnsStatsTest.cpp
  25. DnsTlsDispatcher.cpp
  26. DnsTlsDispatcher.h
  27. DnsTlsQueryMap.cpp
  28. DnsTlsQueryMap.h
  29. DnsTlsServer.cpp
  30. DnsTlsServer.h
  31. DnsTlsSessionCache.cpp
  32. DnsTlsSessionCache.h
  33. DnsTlsSocket.cpp
  34. DnsTlsSocket.h
  35. DnsTlsSocketFactory.h
  36. DnsTlsTransport.cpp
  37. DnsTlsTransport.h
  38. doh.h
  39. doh.rs
  40. Experiments.cpp
  41. Experiments.h
  42. ExperimentsTest.cpp
  43. getaddrinfo.cpp
  44. getaddrinfo.h
  45. gethnamaddr.cpp
  46. gethnamaddr.h
  47. hostent.h
  48. IDnsTlsSocket.h
  49. IDnsTlsSocketFactory.h
  50. IDnsTlsSocketObserver.h
  51. IPrivateDnsServer.h
  52. libnetd_resolv.map.txt
  53. LockedQueue.h
  54. NOTICE
  55. OperationLimiter.h
  56. OperationLimiterTest.cpp
  57. OWNERS
  58. params.h
  59. PREUPLOAD.cfg
  60. PrivateDnsCommon.h
  61. PrivateDnsConfiguration.cpp
  62. PrivateDnsConfiguration.h
  63. PrivateDnsConfigurationTest.cpp
  64. PrivateDnsValidationObserver.h
  65. README-DoT.md
  66. README.md
  67. res_cache.cpp
  68. res_comp.cpp
  69. res_comp.h
  70. res_debug.cpp
  71. res_debug.h
  72. res_mkquery.cpp
  73. res_query.cpp
  74. res_send.cpp
  75. res_send.h
  76. res_stats.cpp
  77. resolv_cache.h
  78. resolv_private.h
  79. resolv_rust_test_config_template.xml
  80. resolv_test_config_template.xml
  81. ResolverController.cpp
  82. ResolverController.h
  83. ResolverEventReporter.cpp
  84. ResolverEventReporter.h
  85. ResolverStats.h
  86. sethostent.cpp
  87. stats.h
  88. stats.proto
  89. TEST_MAPPING
  90. util.cpp
  91. util.h
README.md

Logging

This code uses LOG(X) for logging. Log levels are VERBOSE,DEBUG,INFO,WARNING and ERROR. The default setting is WARNING and logs relate to WARNING and ERROR will be shown. If you want to enable the DEBUG level logs, using following command. adb shell service call dnsresolver 10 i32 1 VERBOSE 0 DEBUG 1 INFO 2 WARNING 3 ERROR 4 Verbose resolver logs could contain PII -- do NOT enable in production builds.