| Commit message (Collapse) | Author | Age |
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These functions can no longer fail.
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This introduces a new experimental transport for DTLS, that
provides encryption over UDP. It has a simpler protocol than
the current UDP SP protocol (but we intend to fix that by making
the UDP transport simpler in a follow up!)
There are a few other fixes in the TLS layer itself, and in
the build, that were needed to accomplish this work.
Also there was an endianness bug in the UDP protocol handling, which
is fixed here.
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This is part of our work to improve type safety/awareness, and also
improve debugger support, for NNG error codes. There are still quite
a few more but this should help.
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We can retire the old approach that used separate allocations,
and all of the supporting code. This also gives us a more
natural signature for the end point initializations.
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This allows us to explicitly stop streams, dialers, and listeners,
before we start tearing down things. This hopefully will be useful
in resolving use-after-free bugs in http, tls, and websockets.
The new functions are not yet documented, but they are
nng_stream_stop, nng_stream_dialer_stop, and nng_stream_listener_stop.
They should be called after close, and before free. The close
functions now close without blocking, but the stop function is
allowed to block.
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This is now replaced with nng_listener_set_security_descriptor
and nng_stream_listener_set_security_descriptor functions. We
may elect to remove these entirely, but for named pipe users they
are probably still quite useful. Moving towards UNIX domain sockets
would obsolete this functionality.
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This is a step on cleaning up our logic around NNG_OPT_URL.
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the separation of nni_url and nng_url.
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This also allows to remove most of the transport headers.
Only zerotier.h sticks around, and only for now. (We expect to
eject it into a separate module.)
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This seems to alleviate the use after free crashes, although it
does not seem like it should. Current theory is that this closes
the handle ensuring that it is unregistered from the I/O subsystem,
thus preventing callbacks from firing and referring to objects that
have been freed.
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When closing pipes, we defer them to be reaped, but also leave
them in the match list where they might be picked up by ep_match,
or leak. It's best to reap these proactively and ensure that they
are not allowed to life longer once they have errored during the
negotiation phase.
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* Add nng_str_sockaddr to get string representation of socket address.
* Added nng_log_get_level() is meant to allow users to obtain the
current level and avoid some possibly expensive operations just
to collect debugging information when debugging is not in effect.
We use a custom logger for NUTS, and this fits within the NUTS
test framework well, so that if -v is supplied we get more content.
All tests now get this by default.
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Also while here, remove unused sockaddr members from some structs.
This should save a bit of memory for servers with a lot of conns.
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This code was not well tested, and is racy as well.
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Windows (#1562)"
This reverts commit 1892e1d6d102d1fbd37e2c3bbb59dc35d81c8b33.
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(#1562)
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Originally the idea was to better support having the transports
be separate loadable modules. This isn't needed for the builtin
transports, so we make the explicit initialization of them
deprecated, and document it as such.
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This is not quite complete, but it sets the stage for other
protocols (such as zmq or mqtt) to be added to the project.
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