| Commit message (Collapse) | Author | Age |
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This is a sweeping cleanup of the transport logic around options,
and also harmonizes the names used when setting or getting options.
Additionally, legacy methods are now moved into a separate file and
can be elided via CMake or a preprocessor define.
Fundamentally, the ability to set to transport options via the socket
is deprecated; there are numerous problems with this and my earlier
approaches to deal with this have been somewhat misguided. Further
these approaches will not work with future protocol work that is
planned (were some options need to be negotiated with peers at the
time of connection establishment.)
Documentation has been updated to reflect this. The test suites still
make rather broad use of the older APIs, and will be converted later.
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This is a major change, and includes changes to use a polymorphic
stream API for all transports. There have been related bugs fixed
along the way. Additionally the man pages have changed.
The old non-polymorphic APIs are removed now. This is a breaking
change, but the old APIs were never part of any released public API.
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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 also makes some smaller related changes to use the new
nni_type instead of nni_opt_type.
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Reported by @TBastiani (with suggested fix). Test validation added.
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These options are undocumented -- for now. We need to get some
experience with them to ensure that they are worth keeping.
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fixes #538 setopt should have an explicit chkopt routine
fixes #537 Internal TCP API needs better name separation
fixes #524 Option types should be "typed"
This is a rework of the option management code, to make it both clearer
and to prepare for further work to break up endpoints. This reduces
a certain amount of dead or redundant code, and actually saves cycles
when setting options, as some loops were not terminated that should have
been.
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fixes #275 nng_pipe_getopt_ptr() missing?
fixes #285 nng_setopt_ptr MIS
fixes #297 nng_listener/dialer_close does not validate mode
This change adds some missing APIs, and changes others.
In particular, certain options are now of type bool, with size
of just one. This is a *breaking* change for code that uses those
options -- NNG_OPT_RAW, NNG_OPT_PAIR1_POLY, NNG_OPT_TLS_VERIFIED.
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This introduces the wss:// scheme, which is available and works like
the ws:// scheme if TLS is enabled in the library.
The library modularization is refactored somewhat, to make it easier
to use. There is now a single NNG_ENABLE_TLS that enables TLS support
under the hood.
This also adds a new option for the TLS transport, NNG_OPT_TLS_CONFIG
(and a similar one for WSS, NNG_OPT_TLS_WSS_CONFIG) that offer access
to the underlying TLS configuration object, which now has a public API
to go with it as well.
Note that it is also possible to use pure HTTPS using the *private*
API, which will be exposed in a public form soon.
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This eliminates the "quasi-functional" notify API altogether.
The aio framework will be coming soon to replace it.
As a bonus, apps (legacy apps) that use the notification FDs
will see improved performance, since we don't have to context
switch to give them a notification.
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There is now a public nng_duration type. We have also updated the
zerotier work to work with the signed int64_t's that the latst ZeroTier
dev branch is using.
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This implements the basic UDP functionality for Windows (required
for ZeroTier for example). We have also introduced a UDP test suite
to validate that this actually works. While here a few Windows
compilation warnings / nits were fixed.
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This makes the APIs use string keys, and largely eliminates the use of
integer option IDs altogether. The underlying registration for options
is also now a bit richer, letting protcols and transports declare the
actual options they use, rather than calling down into each entry point
carte blanche and relying on ENOTSUP.
This code may not be as fast as the integers was, but it is more intuitive,
easier to extend, and is not on any hot code paths. (If you're diddling
options on a hot code path you're doing something wrong.)
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This fleshes most of the pipe API out, making it available to end user
code. It also adds a URL option that is independent of the address
options (which would be sockaddrs.)
Also, we are now setting the pipe for req/rep. The other protocols need
to have the same logic added to set the receive pipe on the message. (Pair
is already done.)
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We have our versions of strdup, strlcat, and strlcpy.
This means we can avoid using snprintf() in many cases
(saving cycles), and we can get safer checks. We use
the platform supplied versions of these if they exist
(wrapping with nni_xxx versions.)
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This eliminates all the old #define's or enum values, making all
option IDs now totally dynamic, and providing well-known string
values for well-behaved applications.
We have added tests of some of these options, including lookups, and
so forth. We have also fixed a few problems; including at least
one crasher bug when the timeouts on reconnect were zero.
Protocol specific options are now handled in the protocol. We will
be moving the initialization for a few of those well known entities
to the protocol startup code, following the PAIRv1 pattern, later.
Applications must therefore not depend on the value of the integer IDs,
at least until the application has opened a socket of the appropriate
type.
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This eliminates tests for code that we cannot reach, because the
upper layer endpoint code already ensures that we don't get called
if we are closing, that the mode is correct, and that only one
outstanding endpoint operation is in progress on any given endpoint.
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This permits option numbers to be allocated based on string name.
Eventually all the option values will be replaced with option
names. This will facilitate transports (ZeroTier) that may need
further options.
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This supports creating listeners and dialers, managing options
on them (though only a few options are supported at present),
starting them and closing them, all independently.
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We enable a few flags, but now the details of the socket internals
are completely private to the socket.
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We never set the fd->sn_init member, causing new fds to be allocated
on each request for a new pollfd, and causing old ones to leak, and
worse may be even to not get notified. While here, we arrange for
a bit richer testing against the various options.
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The CMSG handling was completely borked. This is fixed now, and
we stash the SP header size (ugh) in the CMSG contents to match what
nanomsg does. We now pass the cmsg validation test.
We also fixed handling of certain endpoint-related options, so that
endpoints can get options from the socket at initialization time.
This required a minor change to the transport API for endpoints.
Finally, we fixed a critical fault in the REP handling of RAW sockets,
which caused them to always return NNG_ESTATE in all cases. It should
now honor the actual socket option.
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