| Commit message (Collapse) | Author | Age |
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This error code results when an AIO is stopped permanently, as a result
of nni_aio_close or nni_aio_stop. The associated AIO object cannot be
used again. This discrimantes against a file being closed, or a temporary
cancellation which might allow the aio to be reused.
Consumers must check for this error status in their callbacks, and not
resubmit an operation that failed with this error. Doing so, will result
in an infinite loop of submit / errors.
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The missing default of zero leads to a hard spin and exhaustion of
the open files (since reaping can take too long).
The workaround is to configure these explicitly.
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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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Add test cases ensuring that the transports implement all
required functionality (entry points are not null).
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This should allow us to stop the endpoints early, without freeing
them. This ensures that pipe creation has ended before we start
tearing down pipes.
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This is a new transport API, which should make it easier for transports
to rely upon lifetime guarantees made by the common SP framework, thus
eliminating the need for transport specific reference counters, reap
lists, and similar.
The transport declares the size of the object in the ops vector (for
pipe, dialer, or listener), and the framework supplies one allocated
using the associated allocator.
For now these add the pipe object to the socket and endpoint using
linked linked lists. The plan is to transition those to reference
counts which should be lighter weight and free form locking issues.
The pipe teardown has been moved more fully to the reaper, to avoid
some of the deadlocks that can occur as nni_pipe_close can be called
from almost any context.
For now the old API is retained as well, but the intention is to convert
all the transports and then remove it.
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This allows a URL object to be used for dialing, which may
be easier than using a string if you already have the URL object.
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This permits removal of an extra bit of clean up.
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This is done so that we can provide transport specific logic
for URL parsing later (we're going to want this for ZeroTier
for example.)
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This is intended to replace NNG_OPT_URL.
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the separation of nni_url and nng_url.
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Also expose nng_url_sprintf() for users who need it.
This avoids some need to do dynamic memory on some things. Soon
the entirety of nng_url will be allocation free in the usual case.
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Applications must now call nng_init(), but they can supply
a set of parameters optionally. The code is now safe for
multiple libraries to do this concurrently, meaning nng_fini
no longer can race against another instance starting up.
The nni_init checks on all public APIs are removed now.
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This is simpler, and more reliable than using socket options.
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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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This includes a manual page documenting the entire set of
functions in one step. The hash is 64-bit based for now, to
be maximally flexible. An internal 32-bit convenience for the
common internal use is also provided (not public).
The public API includes a test suite.
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This transport only listens, and creates connections when
the application calls setopt on the lister with NNG_OPT_SOCKET_FD,
to pass a file descriptor. The FD is turned into an nng_stream,
and utilized for SP. The protocol over the descriptor is identical
to the TCP protocol (not the IPC protocol).
The options for peer information are borrowed from the IPC transport,
as they may be useful for these purposes.
This includes a test suite and full documentation.
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In some places, we use ifdef, and others if.
This normalizes for always using ifdef, so we can compile when
this macro is not defined.
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This also arranges to clean up the maps at nng_fini time.
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This eliminates some run-time initialization, moving it to compile time.
Additional follow up work will expand on this to simplify initialization
and reduce the need for certain locks.
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This should reduce the amount of copying, and the overall size
used by pipes and other objects quite a bit. (On my system, the
sizeof nni_pipe shrank by 400 bytes, for example.)
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fixes #1288 id allocation can overallocate
fixes #1126 consider removing lock from idhash
This substantially refactors the id hash code, giving a cleaner API,
and eliminating a extra locking as well as some wasteful allocations.
The ZeroTier code has it's own copy, that is 64-bit friendly, as the
rest of the consumers need only a simpler 32-bit API.
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Also, addressed a number of Clang-tidy complaints. Potential hangs
in close addressed as well.
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This only does it for rep, but it also has changes that should increase
the overall test coverage for the REP protocol
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fixes #1063 Include sanitizer runs in CI
fixes #1068 Wssfile test sometimes fails with wrong error code
While here, addressed a number of clang-tidy items, and some light
cleanup of code we were already in.
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fixes #698 Need TCP stats
fixes #699 Need IPC stats
fixes #701 Need TLS stats
This commit addresses a problem when negotiating using one of the stream
based negotiation APIs -- a slow or misbehaving peer can prevent well
behaved ones from establishing a connection. The fix is a fairly
significant change in how these transports link up, and it does rely
on the fact that the socket only has a single accept() or connect()
pending at a time (on a given endpoint that is).
While here, we have completely revamped the way transport statistics are
done, offering a standard API for collecting these statistics.
Unfortunately, this completely borks the statistics for inproc. As we
are planning to change the way inproc works soon, in order to provide
more control and work on performance fixes for the message queue, we feel
this is an acceptable trade-off. Furthermore, almost nobody uses inproc
for anything, and even fewer people are making use of the statistics
at this time.
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Some more changes to use nni_type instead of nni_opt_type
are included as well.
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This introduces new public APIs for obtaining statistics,
and adds some generic stats for dialers, listeners, pipes, and
sockets. Also added are stats for inproc and pairv1 protocol.
The other protocols and transports will have stats added
incrementally as time goes on.
A simple test program, and man pages are provided for this.
Start by looking at nng_stat(5).
Statistics does have some impact, and they can be disabled by
using the advanced NNG_ENABLE_STATS (setting it to OFF, it's
ON by default) if you need to build a minimized configuration.
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fixes #599 nng_dial sync should not return until added to socket
This reintroduces the changes for the above fixes, building upon the
transport modifications that we have made to eliminate the separate
transport pipe start entry point. It also includes slightly reworked
code during start to put a hold on the pipe when it is created, which
we we drop at the end, hopefully fixing a use-after-free.
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