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android / platform / packages / modules / DnsResolver / 607f74e7efc42d0cac9ea6298973013be0177742
commit607f74e7efc42d0cac9ea6298973013be0177742[log] [tgz]
authorMike Yu <yumike@google.com>Tue Jun 06 08:10:26 2023 +0000
committerMike Yu <yumike@google.com>Tue Jun 06 09:17:21 2023 +0000
tree58506a4b9fe6b71ada63d0d4c72a439819ec7d25
parentbdc09ba4ed4859a2796f1c73a2a8f87d24d9664b [diff]
DoH: Send pending data out right after handle a buffered DNS request

After handling a buffered DNS request, the DnsResolver doesn't
send the DoH query out to the server immediatly. Instead, it
starts waiting for any new DNS request or any packets from the
server, which can lead to the DNS request timed out.

So this change makes the DnsResolver send any pending data
immediately after it handles a buffered DNS request.

Bug: 275539642
Test: ran resolv_integration_test.PrivateDnsDohTest#RunOutOfStreams
      2000 times
Change-Id: I4386a929618a251e3b92fe4724fdfe85e0c44bd4
1 file changed
tree: 58506a4b9fe6b71ada63d0d4c72a439819ec7d25
  1. aidl_api/
  2. apex/
  3. binder/
  4. doh/
  5. include/
  6. tests/
  7. .clang-format ⇨ ../../../build/soong/scripts/system-clang-format
  8. rustfmt.toml ⇨ ../../../build/soong/scripts/rustfmt.toml
  9. .editorconfig
  10. Android.bp
  11. cbindgen.toml
  12. Dns64Configuration.cpp
  13. Dns64Configuration.h
  14. DnsProxyListener.cpp
  15. DnsProxyListener.h
  16. DnsQueryLog.cpp
  17. DnsQueryLog.h
  18. DnsQueryLogTest.cpp
  19. DnsResolver.cpp
  20. DnsResolver.h
  21. DnsResolverService.cpp
  22. DnsResolverService.h
  23. DnsStats.cpp
  24. DnsStats.h
  25. DnsStatsTest.cpp
  26. DnsTlsDispatcher.cpp
  27. DnsTlsDispatcher.h
  28. DnsTlsQueryMap.cpp
  29. DnsTlsQueryMap.h
  30. DnsTlsServer.cpp
  31. DnsTlsServer.h
  32. DnsTlsSessionCache.cpp
  33. DnsTlsSessionCache.h
  34. DnsTlsSocket.cpp
  35. DnsTlsSocket.h
  36. DnsTlsSocketFactory.h
  37. DnsTlsTransport.cpp
  38. DnsTlsTransport.h
  39. doh.h
  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. libnetd_resolv.map.txt
  52. LockedQueue.h
  53. NOTICE
  54. OperationLimiter.h
  55. OperationLimiterTest.cpp
  56. OWNERS
  57. params.h
  58. PREUPLOAD.cfg
  59. PrivateDnsCommon.h
  60. PrivateDnsConfiguration.cpp
  61. PrivateDnsConfiguration.h
  62. PrivateDnsConfigurationTest.cpp
  63. PrivateDnsValidationObserver.h
  64. README-DoT.md
  65. README.md
  66. res_cache.cpp
  67. res_comp.cpp
  68. res_comp.h
  69. res_debug.cpp
  70. res_debug.h
  71. res_mkquery.cpp
  72. res_query.cpp
  73. res_send.cpp
  74. res_send.h
  75. res_stats.cpp
  76. resolv_cache.h
  77. resolv_private.h
  78. resolv_test_config_template.xml
  79. resolv_test_config_without_root_template.xml
  80. ResolverController.cpp
  81. ResolverController.h
  82. ResolverEventReporter.cpp
  83. ResolverEventReporter.h
  84. ResolverStats.h
  85. sethostent.cpp
  86. stats.h
  87. stats.proto
  88. TEST_MAPPING
  89. util.cpp
  90. 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.