> On Feb 2, 2017, at 1:17 AM, Роман Мещеряков <romanmescherya...@yandex.ru> > wrote: > > Hello everyone! I wrote Twisted-based TCP server which is capable of running > in several relatively different modes. When mode switch is needed, I would > like the server to restart itself by some means, for it to read new mode from > configuration file and create corresponding implementation. Also I wanted the > restart to occur without re-running twistd process, because it seems to me > more appropriate for Linux daemon.
Hi Roman, Sorry it took a while to get to this one :). If your solution is working for you, then it's fine. You've correctly understood the API associated with IServiceCollection and your implementation (at least at first glance, I don't have time to test it exhaustively :)) is correct. However, there's a more philosophical question as well: if you really want to re-start from scratch, what exactly are you shutting down and starting up again? Wouldn't you want to be able to load new code? Simply stopping and starting objects won't re-initialize the process from the beginning, only from some indeterminate middle state where parts of the program are already set up; this doesn't have the usual desired effect of a "restart" where potentially unknown or buggy state is cleared away. You may want to consider simply calling execv https://docs.python.org/2.7/library/os.html#os.execv <https://docs.python.org/2.7/library/os.html#os.execv> with [sys.executable] + sys.argv rather than trying to do this in terms of Twisted's APIs. -glyph
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