$ ./orchestrator.py "${DIR}" # basic example
$ ./orchestrator.py --help # for more infoorchestrator.py reads query wire format from LMDB and sends it to
configured DNS servers and stores the received answer from each server inside LMDB.
Names of servers are specified in names key in [servers] section of the
config file. IP address, port and protocol used for each server is also read
from the config file (see respdiff.cfg for example).
Multiple queries might be sent in parallel, see jobs option in
[sendrecv] section of the config file.
By default, each job (process/thread) sends another query as soon as the answer
to the previous one is received and processed. It is possible to add a random
or fixed delay between sending the queries by customizing the
time_delay_min and time_delay_max options in [sendrecv] section of
the config file.
The tool automatically aborts in case it receives max_timeouts of
consecutive timeouts from a single server. To supress this behaviour, use
--ignore-timeout argument.