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gerrit.openbmc.org / openbmc / phosphor-host-ipmid / 7f3a70f0f57b14b2d5c2215f1c1bbf71c1187e75
commit7f3a70f0f57b14b2d5c2215f1c1bbf71c1187e75[log] [tgz]
authorLei YU <yulei.sh@bytedance.com>Tue Dec 07 16:40:40 2021 +0800
committerVernon Mauery <vernon.mauery@linux.intel.com>Wed Jan 12 00:40:31 2022 +0000
treeff6217d29de9caf9892e7c471f858618bac61d7d
parent8e8152c5cebfe278086fced75cbc64ecb4b5046b [diff]
sensor-cache: Invalidate cache when sensor disappears

When a sensor disappears from DBus, invalidate the cache.
Ideally it could be done by adding a match for interfacesRemoved
signal.
However, interfacesRemoved signal is not emitted if a service is
terminated or crashed, so we have to use nameOwnerChanged signal
as well. The `nameOwnerChanged` signal does not provide DBus object's
information, so the code needs to record the relationship between sensor
ids and the services, so that when the event occurs, it knows which
sensors should be invalidated.

Tested: Manually stop virtual-sensor, and verify the related sensors are
        shown as `na` in ipmitool sensor list:

            total_power      | na         |            | na    | na        | na        | na        | na        | na        | na

        Restart virtual-sensor, and verify the related sensors have
        valid readings:

            total_power      | 510.000    | Watts      | ok    | na        | na        | na        | na        | na        | na

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: If145a1cd163477c3aca3fd17f3dbde96263f6b75
1 file changed
tree: ff6217d29de9caf9892e7c471f858618bac61d7d
  1. app/
  2. dbus-sdr/
  3. docs/
  4. include/
  5. libipmid/
  6. libipmid-host/
  7. scripts/
  8. softoff/
  9. test/
  10. user_channel/
  11. xyz/
  12. .build.sh
  13. .clang-format
  14. .gitignore
  15. .shellcheck
  16. .travis.yml
  17. apphandler.cpp
  18. apphandler.hpp
  19. bootstrap.sh
  20. chassishandler.cpp
  21. chassishandler.hpp
  22. configure.ac
  23. dcmihandler.cpp
  24. dcmihandler.hpp
  25. elog-errors.hpp
  26. entity_map_json.cpp
  27. entity_map_json.hpp
  28. error-HostEvent.hpp
  29. fruread.hpp
  30. generate_whitelist.sh
  31. globalhandler.cpp
  32. globalhandler.hpp
  33. groupext.cpp
  34. host-cmd-manager.cpp
  35. host-cmd-manager.hpp
  36. host-interface.cpp
  37. host-interface.hpp
  38. host-ipmid-whitelist.conf
  39. ipmi_fru_info_area.cpp
  40. ipmi_fru_info_area.hpp
  41. ipmid-new.cpp
  42. ipmisensor.cpp
  43. ipmiwhitelist.hpp
  44. LICENSE
  45. MAINTAINERS
  46. Makefile.am
  47. OWNERS
  48. read_fru_data.cpp
  49. read_fru_data.hpp
  50. README.md
  51. sample.cpp
  52. sample.h
  53. selutility.cpp
  54. selutility.hpp
  55. sensordatahandler.cpp
  56. sensordatahandler.hpp
  57. sensorhandler.cpp
  58. sensorhandler.hpp
  59. settings.cpp
  60. settings.hpp
  61. storageaddsel.cpp
  62. storageaddsel.hpp
  63. storagehandler.cpp
  64. storagehandler.hpp
  65. sys_info_param.cpp
  66. sys_info_param.hpp
  67. systemintfcmds.cpp
  68. systemintfcmds.hpp
  69. testaddsel.cpp
  70. testit.cpp
  71. transporthandler.cpp
  72. transporthandler.hpp
  73. whitelist-filter.cpp
README.md

To build this package, do the following steps:

1. ./bootstrap.sh
2. ./configure ${CONFIGURE_FLAGS}
3. make

To clean the repository run ./bootstrap.sh clean.