Laurent THOMAS
a1b4220a91
Hide normal table initialization of Ziggurat generator from outside to
force the usage of randominit() for RNG initialization. In this step,
remove the randominit() seed parameter and only rely on OAI_RNGSEED for
a consistent RNG initialization, as this parameter was used differently
("0" as fixed number or to force a random seed).
Now, only use OAI_RNGSEED env variable to force the usage of a fixed
seed.
24 lines
1.7 KiB
Markdown
24 lines
1.7 KiB
Markdown
# Environment variables
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OAI uses/supports a number of environment variables, documented in the following:
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- `NFAPI_TRACE_LEVEL`: set the nfapi custom logging framework's log level; can be one of `error`, `warn`, `note`, `info`, `debug`. Default is `warn`.
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- `NR_AWGN_RESULTS_DIR`: directory containing BLER curves for NR L2simulator channel modelling in SISO case
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- `NR_MIMO2x2_AWGN_RESULTS_DIR`: directory containing BLER curves for NR L2simulator channel modelling in 2x2 MIMO case
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- `OPENAIR_DIR`: should point to the root directory of OpenAirInterface; BLER curves for LTE L2sim channel emulation
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- `NVRAM_DIR`: directory to read/write NVRAM data in (5G) `nvram` tool; if not defined, will use `PWD` (working directory)
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- `OAI_CONFIGMODULE`: can be used to pass the configuration file instead of `-O`
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- `OAI_GDBSTACKS`: if defined when hitting an assertion (`DevAssert()`, `AssertFatal()`, ...), OAI will load `gdb` and provide a backtrace for every thread
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- `OAI_RNGSEED`: provide a fixed seed for random number generators (RNG). If
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this variable is absent, a random seed will be read (from `/dev/urandom`).
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- `USIM_DIR`: directory to read/write USIM data in (4G) `usim` tool; if not defined, will use `PWD` (working directory)
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Furthermore, these variables appear in code that is not maintained and maybe not even compiled anywhere:
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- `HOST`: alternative host to connect to, for CLI, if neither `REMADDR` nor `SSH_CLIENT` are defined
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- `REMADDR`: host to connect to, for CLI client
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- `SSH_CLIENT`: alternative host to connect to, for CLI, if `REMADDR` is not defined
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- `USER`: user name in the command-line interface
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- `rftestInputFile`: input file for the `calibration_test` tool
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- `OPENAIR2_DIR` : OMV and OMG modules, obsolete
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- `TITLE`: OTG module, obsolete
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