beremiz

Rework of runtime non-real-time threading, and shared object dynamic loading :

2018-04-19, Edouard Tisserant
1fdc32be71b8
Rework of runtime non-real-time threading, and shared object dynamic loading :
- All exposed operations on PLCObject are now serialized through main thread
(@RunInMain). Only one exception : python trace thread calling _GetDebugData
- Re-loading of same shared object is prevented. dlclose/delte/rewrite/dlopen
don't happen in that case. This is a workaround for some xenomai copperplate
bug triggering segfault, inbetween delete and rewrite.
- Trace thread now waits for data, dies if no data, and dies instead of
suspending as before when no data consumed after 3 seconds.
- Disabled threading in Pyro client
- Enforced auxiliary threads starting sequence : Pyro -> [UI] ->
PLCWorker.RunLoop
Crossbar test router configuration is available in .crossbar directory.
Starting command:
crossbar start
This project contains wamp client config to be loaded at runtime startup.
project_files/wampconf.json
wampconf.json is in "Project Files", so it is copied to runtime's working directory, and then loaded after program transfer + runtime restart.
Otherwise, wamp config file path can be forced :
./Beremiz_service.py -c /path/to/my/wampconf.json /working/dir
Otherwise, path for CRA secret can be forced :
./Beremiz_service.py -s /path/to/my/secret /working/dir
Tested on version:
Crossbar.io : 17.12.1 (Crossbar.io COMMUNITY)
Autobahn : 17.10.1 (with JSON, MessagePack, CBOR, UBJSON)
Twisted : 17.9.0-EPollReactor
LMDB : 0.93/lmdb-0.9.18
Python : 2.7.12/CPython