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We're about to use this to turn off the per-second timer when the
network is disabled and there aren't any per-second controller
events enabled.
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We still do this time update here, since we do it from all
callbacks, but it is no longer a reason to keep the once-per-second
callback enabled.
Closes ticket 26009.
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Since we're going to be disabling the second-elapsed callback, we're
going to sometimes have long periods when no events file, and so the
current second is not updated. Handle that by having a better means
to detect "clock jumps" as opposed to "being idle for a while".
Tolerate far more of the latter.
Part of #26009.
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Closes ticket 26064.
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This functions is now used outside of networkstatus.c and makes more sense to
be in config.c.
It is also renamed to options_any_client_port_set() for the config.c
namespace.
No code behavior change.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Everywhere we use we_are_hibernating(), remind the reader what it
means.
(Also, add an XXXX to note a DisableNetwork usage to change later.)
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Now it has a function that can tell the rest of Tor whether any
once-a-second controller item should fire, and a function to fire
all the once-a-second events.
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We cleared this value in second_elapsed_callback. But what were we
using it for? For detecting if Libevent returned EINVAL too often!
We already have a way to detect too-frequent events, and that's with
a ratelim_t. Refactor the code to use that instead. Closes ticket
26016.
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This is part of 26009, where we're going to keep track of the
current time and its jumps without having to do so in
second_elapsed_callback.
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This now happens in a new function, with the intent of having it
invoked from our callbacks. This is one step on the way to 26009.
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This function must return false if the module is not compiled in. In order to
do that, we move the authdir_mode_v3() function out of router.c and into the
dirauth module new header file named mode.h.
It is always returning false if we don't have the module.
Closes #25990
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Arguably, the conditions under which these events happen should be a
bit different, but the rules are complex enough here that I've tried
to have this commit be pure refactoring.
Closes ticket 25952.
Finally, before this code goes away, take a moment to look at the
amazing way that we used to try to have an event happen
every N seconds:
get_uptime() / N != (get_uptime()+seconds_elapsed) / N
Truly, it is a thing of wonder. I'm glad we didn't start using this
pattern everywhere else.
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Closes ticket25937.
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Apparently, we can decide our state is dirty before we create the
event to tell the mainloop that we should save it. That's not a
problem, except for the assertion failure.
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This is now handled as-needed as the control module is flushing its
own callbacks. Closes ticket 25951.
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Closes ticket 25948.
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This is a pretty big commit but it only moves these files to src/or/dirauth:
dircollate.c dirvote.c shared_random.c shared_random_state.c
dircollate.h dirvote.h shared_random.h shared_random_state.h
Then many files are modified to change the include line for those header files
that have moved into a new directory.
Without using --disable-module-dirauth, everything builds fine. When using the
flag to disable the module, tor doesn't build due to linking errors. This will
be addressed in the next commit(s).
No code behavior change.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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This is done because it makes our life easier with unit tests. Also, a rescan
on an uninitialized event list will result in a stacktrace.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Closes ticket 25949.
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When we change the hibernation state, rescan the main loop event list because
the new state might affect the events.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Implement the ability to set flags per events which influences the set up of
the event.
This commit only adds one flag which is "need network" meaning that the event
is not enabled if tor has disabled the network or if hibernation mode.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Bug not in any released Tor.
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In 25374, we created the necessary post-loop event for scheduling
connection_ap_attach_pending as needed. Before that, we were
already running this event once per mainloop. There's no reason to
also run it once per second.
Closes ticket 25933. No changes file, since the relevant change is
already in 25374. Or possibly in 17590, depending on how you look
at it.
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Implements ticket 25932.
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The change here was very simple, since there is a flag set whenever
we want to schedule this event.
Closes ticket 25391.
m
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This part of the code was the only part that used "cached
getttimeofday" feature, which wasn't monotonic, which we updated at
slight expense, and which I'd rather not maintain.
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The clean_consdiffmgr() callback is only for relays acting as a directory
server, not all relays.
This commit adds a role for only directory server and sets the
clean_consdiffmgr() callback to use it.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Only relevant for directory servers.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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